Entries |
Document | Title | Date |
20080198068 | PRESENT POSITION ESTIMATION METHOD, POSITIONING METHOD, PROGRAM, AND MOBILE TERMINAL - A final located position when a GPS receiver section (positioning section) has finished positioning is determined to be the latest located position, and the combination of identification information (ID) of base stations (suspended base stations) with which a portable telephone wireless communication circuit section has performed wireless communication is stored in a flash ROM. The combination of base stations that currently perform wireless communication with the wireless communication section and the combination of the suspended base stations stored in the flash ROM are compared when the GPS receiver section again performs positioning. When it has been determined that the combinations coincide, the latest located position stored in the flash ROM is estimated to be the present position of a portable telephone. The estimated present position is used as the initial position during the first positioning when the GPS receiver section again performs positioning. | 08-21-2008 |
20080204314 | System for broadcasting local information - System for broadcasting local information, related to the area where a vehicle ( | 08-28-2008 |
20080238768 | GPS tracking & behavior monitoring device with back-end software program service integrations - This patent is a high quality Global Position (GPS) product/service that focuses on the growing public and government interest in personal and asset safety. This is a portable transmitter GPS (wristwatch) called “Ambertrax™” to be monitored via satellite and specifically designed to be tracked over the internet with a receiver/transmitter (PDA) and a powerful satellite decoder super computer infrastructure that will also be able to host millions of simultaneous GPS singles. | 10-02-2008 |
20080246658 | Mobile crane - The present invention relates to a mobile crane having means for wireless reception or for the determination of data identifying the location of the crane as well as having transmission means which are in communication with these means or can be connected to them, wherein the transmission means are configured such that they transmit the data identifying the location of the crane from the crane to a receiver in a wireless manner. | 10-09-2008 |
20080252519 | FAST POSITION FIXING METHOD FOR GPS NAVIGATOR - A fast position fixing method for a Global Positioning System (GPS) navigator includes receiving, at an assistant device, GPS data from GPS satellites in response to a GPS data reception command, and transmitting the GPS data to the navigator, locating, at the navigator, the GPS satellites on the basis of the GPS data, and receiving, at the navigator, current GPS data from the located GPS satellites, computing a current position of the navigator on the basis of the current GPS data, and outputting the current position of the navigator. | 10-16-2008 |
20080278373 | Method of Updating the Clock Bias Between a Gsm Network Bts and Gps Satellites - The present invention relates to a method of updating the clock bias between the common clock of the satellites of a radio navigation satellite system and the clock of a radio station of an asynchronous cellular radiotelephone system including a mobile device including a radio navigation satellite system receiver for receiving satellite data supplied by at least four satellites and an assistance server for improving the acquisition of satellite data by the mobile device. The method includes the steps of the mobile device receiving the satellite data, the mobile device calculating pseudodistances between itself and the satellites, encapsulating the pseudodistances with the time at which the pseudodistances are calculated, transmitting the pseudodistances and the time at which the pseudodistances are calculated in the form of a radio signal from the mobile device to the assistance server via the radio station, and the assistance server determining the position of the mobile device and estimating the clock bias between the common clock of the satellites and the clock of the radio station using the pseudodistances and the time at which the pseudodistances are calculated. | 11-13-2008 |
20080284646 | USE OF BROADCAST POSITION DATA FOR SUBSEQUENT GPS LOCATION FIX - A radio device that is capable of positioning itself within a broadcast radio system includes a radio receiver operable to receive a plurality of broadcast radio signals, each broadcast from a respective one of a plurality of broadcast radio signal sources, and a GPS receiver coupled to receive a broadcast parameter determined using the broadcast radio signals and operable to calculate a GPS location of the radio device using the broadcast parameter. | 11-20-2008 |
20080284647 | Transmission of Information to a System Utilizing a GPS Device - A system for transmitting non-GPS information for reception by a global positioning system (GPS) receiver, the system including a processor, a memory coupled to the processor and including computer-readable instructions configured to, when executed by the processor, cause the processor to receive the non-GPS information, determine an available pseudo-random noise (PRN) code, spread the non-GPS information using the available PRN code to provide a spread signal, modulate a GPS carrier frequency using the spread signal to produce a GPS compatible signal, and a terrestrial transmitter configured to transmit the GPS compatible signal. | 11-20-2008 |
20080284648 | INFORMATION TERMINAL APPARATUS, INFORMATION PROCESSING APPARATUS AND INFORMATION COMMUNICATION SYSTEM - When transmitting position/time information calculated by means of a GPS function to a server apparatus, authentication is carried out with the server apparatus. The position/time information may be certified as legitimate measured by a portable apparatus with a GPS reception function employed by a user. When transmitting information related to the position and the time acquired from a portable phone terminal having the GPS function and a network function by means of the GPS function to the server apparatus, authentication is carried out between the portable phone terminal and the server apparatus. The position/time information is transmitted to the server apparatus, only if the server apparatus is authenticated as a legitimate counterpart for connection. A secret key holding section is provided for holding different secret keys for different apparatuses. The position/time information measured based on an electromagnetic wave received from a positioning satellite is digitally signed by means of the secret key. The identification information and the position/time information having the digital signature are then transmitted to a counterpart. | 11-20-2008 |
20090015469 | Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas - Locating satellites (e.g., GPS) are culled into a preferred group having a longest dwell time based on a time passing through an ellipsoid arc path through a cone of space, and communicated to mobile devices within a particular region (e.g., serviced by a particular base station). The culled locating satellites may select those visible, or more preferably those locating satellites currently within a cone of space above the relevant base station are selected for communication by a mobile device within the service area of the base station. The inverted cone of space may be defined for each antenna structure for any given base station, and each has 360 degrees of coverage, or less than 360 degrees of coverage, with relevant locating satellites. Thus, cell sites may be specifically used as reference points for culling the ephemeris information used to expedite Assisted GPS location determinations. | 01-15-2009 |
20090021425 | SYSTEM, DEVICE AND METHOD OF PROVIDING LOCATION BASED, EMERGENCY AND SERVICE CALL AND INVENTORY INFORMATION - A system for providing location based, event and inventory information having a first terminal coupled to a database correlating address information to location based coordinate information, said first terminal adapted to transmit said location based coordinate information and a second terminal adapted to receive the location based coordinate information, automatically input such location based coordinate information into a map display and display a map including the address that correlates to said location based coordinate information. | 01-22-2009 |
20090021426 | HIGH-SPEED POSITIONING SYSTEM AND METHOD - A high-speed positioning system includes a server and a positioning device. The server links to Internet for receiving and interpreting GPS signals received from a satellite system. The positioning device includes a network connecting module, a user position information generator and a satellite positioning module. The network connecting module is in communication with a connecting node of Internet for receiving a connecting node information. The user position information generator generates a user position information according to the connecting node information. The user position information is transmitted to the server through Internet. A satellite position signal is generated by the server according to the user position information and sent back to the user position information generator through Internet. The satellite positioning module is in communication with the network connecting module for receiving the satellite position signal and executing a positioning operation according to the contents of the satellite position signal. | 01-22-2009 |
20090027263 | METHOD FOR SENSING A THREAT - A method employed for threat analysis based on the passive-radar principle, using the transmitter in navigation satellites ( | 01-29-2009 |
20090033553 | GPS-BASED POSITIONING SYSTEM FOR MOBILE GPS TERMINALS - The present invention discloses a GPS system that uses call-processor intelligence to determine the mode of operation of a GPS receiver located in a GPS terminal. The modes are selected based on the availability of network facilities, the GPS information that can be acquired, or user input requirements. | 02-05-2009 |
20090058721 | Regional Navigation Satellite Supplementary System - A device of a supplementary navigation satellite is provided. The device includes a unit for generating navigation signals, the signal strength of the navigation signals being dimensioned in such a way that it is still possible to receive signals of other satellite navigation systems. | 03-05-2009 |
20090066571 | OPTIMIZED ORDERING OF ASSISTANCE DATA IN A MOBILE RADIO NETWORK - An implementation of a system, device and method for communicating location data of a mobile station, enhancing location data, optimally communicating Assistance Data, and/or reducing rebids of Measure Position Request messages in a wireless network. | 03-12-2009 |
20090073036 | METHODS FOR PROCESSING CORRECTION MESSAGES, CORRECTING POSITION MEASUREMENTS OF GNSS RECEIVER, AND RELATED APPARATUSES - Methods and apparatuses for processing correction messages in a GNSS receiver are provided. One of the proposed methods includes providing a first storage unit; receiving a plurality of correction messages from at least one data sources, wherein a plurality of assistance data are carried by the plurality of correction messages; and storing a portion of the assistance data in the first storage unit without storing remaining assistance data in the GNSS receiver. | 03-19-2009 |
20090091494 | POSITIONING APPARATUS AND POSITIONING SYSTEM - A mobile station ( | 04-09-2009 |
20090096666 | POSITIONING SYSTEM - A positioning system is provided having a first signal source for originating synchronous signals, and a second signal source for originating a signal which is not synchronous with the signal from the first signal source. The system determines, based on a signal propagation time and signal propagation speed from the first or second signal source, the distance to this signal source so as to determine a position of a receiving point. | 04-16-2009 |
20090096667 | Communication System with Assisted GPS and SBAS - A communication system includes a reference station and a mobile station. The reference station is operable to: receive GPS signals; generate GPS assisting data from the received GPS signals; receive SBAS signals; obtain SBAS data from the received SBAS signals; combine the GPS assisting data and the SBAS data to produce combined GPS data; and transmit the combined GPS data via a terrestrial wireless communication. The mobile station is operable to: receive the GPS signals; receive the combined GPS data via the terrestrial wireless communication; and generate positioning data from the mobile received GPS signals and the combined GPS data. | 04-16-2009 |
20090121931 | Wrist Worn Communication Device coupled with Antenna Extendable by the Arm - The present invention discloses a wrist-worn wireless communication device coupled with an RF antenna configured to operate folded or coiled in the device, or extended along the arm from wrist to elbow. A typical embodiment of the invention relates to an emergency radio beacon, particularly for satellite based systems such as a Personal Locator Beacon (PLB) for the Cospas-Sarsat system. | 05-14-2009 |
20090128405 | Method and Device for Determining the Group Position of a Mobile Object, in Particular an Aircraft on an Airport - The invention concerns a device ( | 05-21-2009 |
20090135059 | METHOD AND APPARATUS FOR PASSIVE SINGLE PLATFORM GEO-LOCATION - The present disclosure provides an RTD that is released from a single primary platform to collect signals from a target emitter and relay data back to a single primary platform, enabling the precise geo-location of the target emitter to be determined in a minimal amount of time. The RTD is released from a single platform and quickly creates a long signal collection baseline between the released RTD and the single platform. Various techniques for determining geo-location may be used with the present disclosure, such as angle of arrival (AOA), time difference of arrival (TDOA), and frequency difference of arrival (FDOA) methods. | 05-28-2009 |
20090140917 | High capacity serveilance system - The invention relates to a surveillance system wherein a localisation terminal TL and a surveillance terminal co-operate. Each terminal TL comprises: means for the acquisition R | 06-04-2009 |
20090140918 | Supporting a Satellite Based Positioning - A satellite signal receiver | 06-04-2009 |
20090146876 | SYSTEM AND METHOD FOR A-GPS POSITIONING OF A MOBILE DEVICE - A system and method for estimating the position of a mobile device using information from a constellation of satellites. A first set of satellites of the constellation may be selected and then a second set of satellites of the constellation may be selected as a function of signals received from the first set of satellites. Data may be transmitted to the mobile device based on signals received from the second set of satellites, and a location of the device estimated based on the data. One embodiment may select the second set as a function of an intersection of coverage areas of ones of the first set of satellites. Another embodiment may select the second set as a function of one or more satellites that are not occluded by the Earth from one or more of the first set of satellites. | 06-11-2009 |
20090146877 | SYSTEM AND METHOD FOR PREVENTING A-GPS DEVICES FROM SEARCHING FOR SPECIFIC SATELLITES - A system and method for estimating the location of a wireless device. A set of satellites may be determined as a function of an approximate area in which the wireless device is located. Assistance data is transmitted to the device including information from the set of satellites, and a location of the device may be estimated from the information where the assistance data prevents the wireless device from searching for signals from one or more satellites in the set of satellites. The one or more satellites may be an operable satellite but signals therefrom cannot be measured or acquired by the wireless device. | 06-11-2009 |
20090146878 | SYSTEM AND METHOD FOR POSITION CALCULATION OF A MOBILE DEVICE - A system and method for determining a location of a device. Plural signals from a first plurality of satellites may be received a the device where an estimated location of the device is determined as a function of frequency information from the signals. A location of the device may then be determined as a function of the estimated location and/or as a function of phase information from the signals. A second plurality of satellites may also be determined as a function of any one of the determined locations. In such embodiments, assistance data may be transmitted to the device that includes information from the second plurality of satellites. Another location of the device may then be determined from this information. | 06-11-2009 |
20090146879 | Automatic Time Adjusting Device for GPS of Car Safety Control System - A car safety control system includes at least a car DVR, a GPS receiver and some other components such as image sensors, a speaker and a car display monitor to monitor vehicular safety. By way of a time zone setting unit, the value of the time difference between the GMT and each of 24 the time zones on earth is provided according to the GPS location information. A microprocessor calculates the value of the time difference and determines the current time data such as the values of year/month/day/hour/minute/second in accordance with the car location. The current time data and/or location information such as the latitude and longitude of vehicles are/is recorded and displayed synchronously in the digital image data of the car DVR or displayed on a display unit of the car DVR. | 06-11-2009 |
20090167598 | POSITIONING METHOD, POSITIONING DEVICE, AND PROGRAM - [Problems to be Solved] The positioning system satisfying a required positioning accuracy cannot be realized with the conventional area design for aiming at positioning a reference point, being a position of a fixed radio appliance that is on a footing of being able to position a mobile radio appliance by transmitting or receiving a radio signal. | 07-02-2009 |
20090167599 | Location Based Services Information Storage and Transport - Methods, systems and computer program products for providing an adaptive active location information gathering algorithm are described. Specifically, significant information density gains can be achieved by using an adaptive active location information gathering algorithm. The adaptive algorithm may select a compression and decompression encoding appropriate to deliver maximum information density while being adjusted automatically to accommodate variations including velocity and duration changes within a defined reporting period to ensure versatility and maximum efficiency. | 07-02-2009 |
20090167600 | APPARATUS AND METHOD FOR SUPPORTING ASSISTED GLOBAL POSITIONING SYSTEM DURING EMERGENCY SERVICE IN A COMMUNICATION SYSTEM - An apparatus and method for supporting an Assisted Global Positioning System (AGPS) during emergency service in a communication system are provided. The system includes a client, an integration location server, and a dual mode Mobile Station (MS). The client requests MS location information for emergency service. The integration location server receives MS access information and sends a location information request. The dual mode MS receives the location request, activates a second communication modem, and performs an AGPS operation with the integration location server. | 07-02-2009 |
20090184872 | Provision of location information - A method of providing information regarding the location of a mobile user equipment ( | 07-23-2009 |
20090213004 | METHOD AND SYSTEM FOR SELECTING OPTIMAL SATELLITES FOR A-GPS LOCATION OF HANDSETS IN WIRELESS NETWORKS - A system and method for determining a set of satellites for which assistance data may be provided to a wireless device. A boundary for an approximate area in which the wireless device is located may be determined and one or more sets of satellites may be determined as a function of the boundary. An optimum set of satellites from the one or more sets of satellites may then be determined using a satellite selection function on the one or more sets of satellites at predetermined points substantially on the boundary. | 08-27-2009 |
20090219200 | TRANSFER OF GLOBAL POSITIONING SYSTEM ASSISTANCE DATA - Methods and devices ( | 09-03-2009 |
20090231191 | Systems and methods for distributing GPS clock to communications devices - A method for synchronizing network elements to a global clock derived from the GPS clock acquired by a plurality of base stations. The global clock is distributed to controllers of various networks, and from there to network access devices. The network access devices further distribute the global clock to various wire-line and local wireless networks and from there, to the users served by these networks. The user equipment is enabled with a simple clock discipliner that adjusts the local clock to the global clock, resulting in a reliable synchronization across the converged communication networks. | 09-17-2009 |
20090237299 | Method of Creating an Image File and a Digital Camera for the Same - A method of creating an image file and a digital camera for the same. The method comprised the steps of: (i) generating and storing image data corresponding to a photo or video clip; (ii) sampling received GPS signals and storing the resultant GPS signal samples (hereafter “raw GPS data”); and (iii) creating a single file containing both the image data and the raw GPS data | 09-24-2009 |
20090237300 | SYSTEMS AND METHODS OF COMMUNICATION IN AN ASSISTED NAVIGATION SYSTEM - Provided herein are methods and systems for efficient communication between a server and a client in an assisted navigation system. In one or more embodiments, the client, e.g., a GPS receiver, receives a set of parameters for a satellite from the server via a wireless or wired connection. The set of parameters includes a force parameter, initial condition parameters and time correction coefficients for the satellite. The receiver uses the received parameters in a numerical integration to compute the position of the satellite at a desired time. The set of parameters needed for the integration is small compared to current methods which require sending more data to the client. Thus these parameters require less communication resources to transmit. To further reduce the amount of data that needs to be transmitted, reference parameters may be subtracted from the original parameters before transmission from the server. The receiver is able to reconstruct the original parameters from the received parameters and the identically computed reference parameters. The parameters may be further compressed using data compression techniques. | 09-24-2009 |
20090243926 | Radio communication apparatus and information processing apparatus - A radio communication apparatus has a GPS function, is internally included in or is removably connected to an information processing apparatus and operates with the power supplied from the information processing apparatus. Charging means charges the power supplied from the information processing apparatus. Reference position setting means sets a reference position. Positional condition setting means sets a positional condition about the reference position which is a condition for performing the processing under a predetermined security mode. Positional condition determining means determines whether the condition for performing the processing under a predetermined security mode is obtained or not on the basis of the positional condition and its positional information obtained by the GPS function. Security mode processing performing means performs processing under a predetermined security mode if it is determined that the condition for performing the processing under a predetermined security mode is obtained. If the information processing apparatus is powered off, the radio communication apparatus operates with the power charged by the charging means. | 10-01-2009 |
20090251366 | GNSS-BASED MOBILE COMMUNICATION SYSTEM AND METHOD - A GNSS-based, bidirectional mobile communication system includes a mobile unit, such as a vehicle or a personal mobile system, with GNSS (e.g., GPS) and Internet (worldwide web) access. A base station also has GNSS and Internet access, and provides differential (e.g., DGPS) correctors to the mobile unit via the Internet. The Internet communications link enables audio and/or video (AV) clips to be recorded and played back by the mobile unit based on its GNSS location. The playback function can be triggered by the mobile unit detecting a predetermined GNSS location associated with a particular clip, which can be GNSS position-stamped when recorded. Alternatively, clips can be generated by utilities and loaded by the application either from a personal computer or automatically over the Internet. Moreover, maps, vehicle travel paths and images associated with particular GNSS-defined locations, such as waypoints, can be updated and position-stamped on the data server. A GNSS-based mobile communication method and a storage medium encoded with a machine-readable code for mobile communications are also provided. | 10-08-2009 |
20090251367 | VIRTUAL REAL-TIME CLOCK BASED ON TIME INFORMATION FROM MULTIPLE COMMUNICATION SYSTEMS - Method and apparatus to implement a “virtual” real-time clock at a terminal based on time information from multiple communication systems. At least one system (e.g., GPS) provides “absolute” time information for the virtual real-time clock, and at least one other system (e.g., a cellular system) provides “relative” time information. The virtual real-time clock is “time-stamped” with absolute time as it becomes available from the first system. Relative time (which may be received from multiple asynchronous transmitters) is mapped to the timeline of the virtual real-time clock as it is received from the second system. Absolute time at any arbitrary time instant on the timeline may then be estimated based on the absolute time from the first system and the relative time from the second system. Absolute times from the first system for two or more time instants may also be used to calibrate the relative time from the second system. | 10-08-2009 |
20090262014 | METHOD AND SYSTEM FOR ALL-IN-VIEW COHERENT GPS SIGNAL PRN CODES ACQUISITION AND NAVIGATION SOLUTION DETERMINATION - A method and system for enabling more robust detection, positioning and time solution using GPS satellite ranging signals based on a simultaneous, all-in-view coherent PRN code signal processing scheme rather than acquisition of GPS signals one at a time. Additionally, a plurality of signal processing operating modes are provided that include a Factory Start mode, a Hot Start mode, a Subsequent Fix mode and a Reacquisition mode. Each mode provides a user receiver with an ability to quickly determine its current probable location without undue delay when a prior probable location has been obtained. Preventing undue delay of predicting a probable location of the user can be especially valuable in conditions where weak signals are being received, or in high interference environments, or when signal jamming conditions are being experienced, or when a combination of such environments is present. | 10-22-2009 |
20090262015 | MOBILE COMMUNICATION DEVICE POSITIONING SYSTEM AND METHOD FOR ENHANCING POSITION MEASUREMENT BY SELF LEARNING ALGORITHM - A method and system for determining a location of a mobile communication device for an improvement of a positioning through a self-learning processing algorithm. In the method and system for determining a location of a mobile communication device, a self-learning processing unit batch processes GPS-based positioning results accumulated in a first self-learning database, and generates a sector direction value. Also, the self-learning processing unit generates optimized environment parameters, which is necessary for wireless network-based positioning, and basic data for a pattern matching, and updates the optimized environment parameters and basic data in a second self-learning database. Accordingly, the system for determining a location of a mobile communication device performs a positioning through a pattern matching method by using results accumulated in the second self-learning database. | 10-22-2009 |
20090262016 | Supporting the use of a virtual reference station - For supporting the use of virtual reference stations, an apparatus may receive a request to provide virtual measurements on beacon signals that are valid for a virtual reference station, the request including an indication of a desired location of the virtual reference station. The apparatus may further determine an entity that is associated to an area including the desired location. The apparatus may further cause the request to be forwarded to the determined entity. | 10-22-2009 |
20090267831 | METHOD OF ACQUIRING INITIAL GPS SIGNAL IN BROADCASTING SYSTEM AND SYSTEM USING THE METHOD - A system and method for acquiring an initial Global Positioning System (GPS) signal in a communication system including a terminal. The system includes an Assisted GPS (AGPS) server for generating Acquisition Assistance (AA) data distinguished according to an area based on a pre-set position of each service area, a transmitting station for broadcasting the generated AA data to terminals, and the terminals for acquiring an initial GPS signal by receiving the broadcasted AA data. In addition, the method includes the steps of generating AA data distinguished according to an area based on a pre-set position of each service area, broadcasting the generated AA data to terminals, and acquiring, by each of the terminals, a GPS signal by receiving the broadcasted AA data. | 10-29-2009 |
20090267832 | SYSTEMS AND METHODS FOR DYNAMICALLY DETERMINING POSITION - A system and method of dynamically determining a position. At least some of the illustrative embodiments are systems comprising a host processor, a sensor configured to send signals indicative of the position of the system to the host processor, an antenna configured to receive signals from GPS satellites, a GPS subsystem coupled to the antenna; wherein the GPS subsystem and host processor are coupled and are configured to make a position determination. | 10-29-2009 |
20090267833 | METHOD AND APPARATUS FOR LOCATING MOBILE RECEIVERS USING A WIDE AREA REFERENCE NETWORK FOR PROPAGATING EPHEMERIS - A method and apparatus for distribution and delivery of global positioning system (GPS) satellite telemetry data using a communication link between a central site and a mobile GPS receiver. The central site is coupled to a network of reference satellite receivers that send telemetry data from all satellites to the central site. The mobile GPS receiver uses the delivered telemetry data to aid its acquisition of the GPS satellite signal. The availability of the satellite telemetry data enhances the mobile receiver's signal reception sensitivity. | 10-29-2009 |
20090278737 | METHOD AND SYSTEM OF TRACE-POSITION - A method of trace-position including following steps is provided. A tracing message is transferred to a second electronic device having a positioning function from a first electronic device, wherein the tracing message has a verifying code. The verifying code is verified by the second electronic device. The second electronic device enables the positioning function to generate positioned information and transfer the positioned information to the first electronic device if the verifying code is correct. Furthermore, the positioning function is disabled if the verifying code is incorrect. In addition, a system of trace-position is provided. | 11-12-2009 |
20090284413 | MOBILE DEVICE COMPRISING A GPS RECEIVER - A mobile device comprising a GPS receiver for receiving GPS signals; a communications receiver for receiving historical ephemeris data from an external server; and a processor configured to determine later ephemeris data from the historical ephemeris data and to determine a GPS position fix from the later ephemeris data. In particular, the later ephemeris data may be valid for a time period greater than any single set of the historical ephemeris data. | 11-19-2009 |
20090295630 | METHOD AND APPARATUS FOR POSITION DETERMINATION WITH EXTENDED SPS ORBIT INFORMATION - A method and system for assisting mobile stations to locate a satellite use an efficient messaging format. A server computes a correction between coarse orbit data of a satellite and precise orbit data of the satellite. A coordinate system is chosen such that variation of the correction is substantially smooth over time. The server further approximates the correction with mathematical functions to reduce the number of bits necessary for transmission to a mobile station. The mobile station, upon receiving the coefficients, evaluates the mathematical functions using the coefficients and a time of applicability (e.g., the current time), converts the evaluated result to a standard coordinate system, and applies the conversion result to the coarse orbit data to obtain the precise orbit data. | 12-03-2009 |
20090303117 | Method and System for Mobile Network Aided Positioning - A method for fixing a position of a user apparatus includes the step of starting a fixing session and, within the fixing session, determining a size of a snapshot of a signal of a positioning system depending on the receiving conditions of the signal at the user apparatus, the snapshot being capable of enabling the fixing of the position; receiving, at network equipment, from the user apparatus via a network connection the snapshot; and fixing at the network equipment the position of the user apparatus on the basis of the snapshot. | 12-10-2009 |
20090303118 | METHOD FOR PROVIDING ASSISTANCE DATA TO MOBILE STATION OF A SATELLITE POSITIONING SYSTEM - “Satellites of a satellite positioning system broadcast within the navigation signals ephemeris data having a certain period of validity. At a mobile station, ephemeris data are required for position-fixing. In assisted satellite positioning systems, acquisition of navigation signals emitted by the satellites is facilitated as assistance data are provided to the mobile station. At a server station, a request for assistance data issued by the mobile station is received, and the server station transmits ephemeris data as part of the assistance data to the mobile station in response to its request. Upon receiving the request for assistance data issued by the mobile station, the server station decides whether the mobile station could achieve a specified position fix accuracy if the mobile station was provided with the broadcast ephemeris data. In the positive, the server station transmits the broadcast ephemeris data to the mobile station. In the negative, the server station transmits, instead of broadcast ephemeris data, long-term ephemeris data to the mobile station as part of the assistance data requested. The long-term ephemeris data are derived from satellite orbit predictions and have a period of validity substantially increased with respect to the ephemeris data broadcast by the satellites.” | 12-10-2009 |
20090303119 | SYSTEMS AND METHODS FOR USING ENVIRONMENTAL INFORMATION IN A HYBRID POSITIONING SYSTEM - This disclosure describes systems and methods for using environmental information in a hybrid positioning system. Some embodiments relate to a method for determining the position of a WLAN and satellite positioning system enabled device using characteristics of the environment in which the device is located, the method can include detecting WLAN APs in range of the device, obtaining environmental characteristics from a reference database based on the WLAN APs detected by the device, and determining whether to use the WLAN or satellite positioning system based on the environmental characteristics. | 12-10-2009 |
20090303120 | SYSTEMS AND METHODS FOR DETERMINING POSITION USING A WLAN-PS ESTIMATED POSITION AS AN INITIAL POSITION IN A HYBRID POSITIONING SYSTEM - This disclosure describes a method and system for determining position using a WLAN-PS estimated position as an initial position. In some embodiments, the method can include calculating a WLAN position estimate of the WLAN and satellite enabled device and using the WLAN position estimate as an initial position in satellite position system to determine the location of the WLAN and satellite enabled device. | 12-10-2009 |
20090303121 | SYSTEM AND METHOD FOR USING A SATELLITE POSITIONING SYSTEM TO FILTER WLAN ACCESS POINTS IN A HYBRID POSITIONING SYSTEM - This disclosure describes a system and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system. In some embodiments, the method can include detecting WLAN APs in range of the WLAN and satellite enabled device, obtaining satellite measurements from at least two satellites to provide a plurality of possible satellite locations of the device, and providing a weight for each AP based on the distance from the WLAN APs to the possible satellite locations of the device. | 12-10-2009 |
20090303122 | METHOD AND DEVICE FOR USING GNSS SATELLITE TRAJECTORY EXTENSION DATA IN MOBILE APPARATUS - A method and device for using satellite trajectory extension data in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satellite navigation message for a satellite. The microprocessor is used for determining a propagating condition according to the satellite navigation message, estimating a plurality of parameters of a satellite trajectory prediction model according to the propagating condition to establish an estimated satellite trajectory predication model, propagating a set of satellite trajectory extension data by using the estimated satellite trajectory prediction model, computing acquisition assistance data according to the satellite trajectory extension data and acquiring signals of the satellite by using the acquisition assistance data. | 12-10-2009 |
20090309790 | Methods and Apparatuses For Requesting/Providing Code Phase Related Information Associated With Various Satellite Positioning Systems In Wireless Communication Networks - Methods and apparatuses are provided that may be used by one or more devices within in wireless communication network to request and/or provide code phase related information signals associated with various Satellite Positioning Systems (SPSs). | 12-17-2009 |
20090315768 | METHOD AND APPARATUS FOR PROCESSING A SATELLITE POSITIONING SYSTEM SIGNAL USING A CELLULAR ACQUISITION SIGNAL - Method and apparatus for processing satellite positioning system signals is described. In one example, assistance data is received at a mobile receiver from a first wireless network using a wireless transceiver. The first wireless network may be a non-synchronized cellular network. A time synchronization signal is obtained from a second wireless network at the mobile receiver using a wireless receiver. A time offset is then determined in response to the time synchronization signal. Satellite signals are processed at the mobile receiver using the assistance data and the time offset. The second wireless network may be a synchronized cellular network or may be a non-synchronized cellular network that is externally synchronized to GPS time. | 12-24-2009 |
20090315769 | INTERNET HOTSPOTS LOCALIZATION USING SATELLITE SYSTEMS - Systems and methods according to various embodiments provide for navigation in attenuated environments by integrating satellite signals with Internet hotspot signals. In one embodiment, a receiver unit adapted to perform geolocation comprises an antenna adapted to receive a precision time signal from a satellite and receive additional aiding information from a wireless network station, wherein the precision time signal comprises a periodic repeating code. The receiver unit also comprises a processor and a memory adapted to store a plurality of computer readable instructions which when executed by the processor are adapted to cause the receiver unit to: use the precision time signal and the aiding information to determine a precise absolute time, determine positioning information associated with the receiver unit, use the positioning information to request location information of the wireless network station, and determine an absolute geolocation of the receiver unit using the positioning information and the location information. | 12-24-2009 |
20090322601 | GNSS RECEIVER USING SIGNALS OF OPPORTUNITY AND ASSISTANCE INFORMATION TO REDUCE THE TIME TO FIRST FIX - A GNSS receiver reduces the time to first fix by utilizing the properties of existing radiated signals of opportunity, such as AM or FM radio signals, television signals and so forth, to reduce the uncertainties associated with oscillator frequency and phase , and further utilizing an Almanac and battery backed-up date and time to determine the satellites in view and reduce the uncertainties associated with Doppler. The receiver may use multiple signals of opportunity to determine the city or local area in which the receiver is located based on the set of frequencies of the signals, and also to reduce search uncertainties for oscillator frequency by estimating an offset based on the differences between the frequencies of the respective signals of opportunity at the receiver and the nominal broadcast frequencies of the signals. | 12-31-2009 |
20100001903 | CALCULATION METHOD FOR NETWORK-SPECIFIC FACTORS IN A NETWORK OF REFERENCE STATIONS FOR A SATELLITE-BASED POSITIONING SYSTEM - A correction calculation method for a satellite based positioning system with a network of receiving units as reference stations comprises a partitioning of the network into groups of reference stations, calculation of group-specific correction factors, amalgamation of the group-specific correction factors and subsequently, derivation of network-specific correction parameters. In this partitioning, the reference stations are represented by nodes in a connected, edge-weighted graph, in the generation of which an edge respectively connecting two nodes is only generated if it satisfies a distance-dependent connectivity condition, whereby the distance between the nodes connected by this edge is input into the weighting function of this edge. From the graph a minimum spanning tree is derived and subsequently partitioned for establishing the groups, by eliminating the edge with the highest weight for each tree, the elimination of which leads to partial trees which in each case either satisfy a cardinality condition for the number of the nodes in the two resulting partial trees, or consist of a number of nodes greater than the cardinality condition. | 01-07-2010 |
20100007552 | POSITIONING SYSTEM, POSITIONING METHOD, AND POSITIONING PROGRAM - An object of the present invention is to obtain a positioning result according to a condition of a receiver in a shorter period of time. A positioning server | 01-14-2010 |
20100007553 | APPARATUS AND METHOD FOR SHARING ASSISTANCE DATA BETWEEN A-GPS TERMINAL AND GPS TERMINAL - An apparatus and method for sharing assistance data between an Assisted Global Positioning System (A-GPS) terminal and a Global Positioning System (GPS) terminal are provided. The method includes establishing a connection with an A-GPS terminal, transmitting an assistance data request message to the A-GPS terminal, receiving an assistance data response message including assistance data from the A-GPS terminal, and performing position determination by using the assistance data and GPS position information received from a GPS artificial satellite. Accordingly, position determination can be achieved faster. | 01-14-2010 |
20100013705 | ASSISTED SATELLITE SIGNAL BASED POSITIONING - A set of parameters for a plurality of satellites belonging to at least two different satellite systems is assembled. Further, a definition of a data structure is provided, the data structure including at least one section for parameters for a plurality of satellites belonging to at least two different satellite systems. | 01-21-2010 |
20100019967 | Method and apparatus for determining location - A method and apparatus for determining location parameters by processing time and location datagrams made up of data contained in satellite positioning signals. In one embodiment, time and location datagrams are transferred to a GPS processing facility. In one embodiment, a plurality of time and location datagrams are combined. In one embodiment, time and location datagram size is increased, resulting in greater processing gains. In one embodiment, low frequency data overlay data is removed from the time and location datagrams. | 01-28-2010 |
20100019968 | GPS CLOCKING DEVICE AND TIME DETECTION METHOD - According to one embodiment, a GPS clocking device comprises a computing module, a storage module, a reading module, and a correction module. The computing module receives a GPS signal transmitted from a GPS satellite, and computes a receiving position of the GPS signal in the standard coordinate system of the GPS based on the GPS signal. The storage module stores position information which indicates areas different from each other in the employed standard time, and is represented by the standard coordinate system, and information on the time difference between the standard time of each area and standard time of the GPS. The reading module reads time-difference information corresponding to an area to which the receiving position computed by the computing module corresponds from the storage module. The correction module corrects the current time indicated by the time information included in the GPS signal by using the time-difference information. | 01-28-2010 |
20100019969 | System and method for effectively performing enhanced mobile-device location procedures - A system and method for effectively performing enhanced device location procedures to determine the current physical location of a mobile device includes a plurality of satellites that wirelessly transmit satellite beacon signals, a plurality of base stations that wirelessly transmit pilot signals, and a plurality of access points that wirelessly transmit access-point beacon signals. A location detector of the mobile device coordinates a device location procedure by measuring the satellite beacon signals, the pilot signals, and the access-point beacon signals to generate corresponding satellite information, base station information, and access point information. The location detector analyzes the satellite information, the base station information, and the access point information to select an optimal system configuration from the most effective satellites, base stations, and access points. The location detector then utilizes the optimal system configuration to accurately calculate the current physical location of the mobile device. | 01-28-2010 |
20100026569 | METHOD AND APPARATUS FOR LOCATION DETECTION USING GPS AND WIFI/WIMAX - A system, apparatus and method are provided for location detection using GPS or WiFi/WiMAX. The apparatus includes a global positioning system (GPS) receiver, a transceiver, and a controller. The transceiver is a WiFi or WiMAX transceiver. The controller determines whether GPS location sensing is possible and, if so, receives geographical location data from the GPS receiver. If GPS location sensing is not possible, the controller determines whether location sensing via the transceiver is possible and, if so, receives geographical location data from the transceiver. The controller sends a signal based on the location data to a location monitoring application via the transceiver. The controller may send a signal to the location monitoring application that no location sensing is possible. | 02-04-2010 |
20100026570 | METHOD AND APPARATUS FOR INTERMITTENT LOCATION REPORTING - A system, apparatus and method are provided for intermittent location reporting. The apparatus includes a global positioning system (GPS) receiver, a transceiver, and a controller. The transceiver is a WiFi or WiMAX transceiver. The controller reads a current geographical location of the apparatus and determines whether communication with a location monitoring application (LMA) is possible. If communication with the LMA is not possible, the controller stores the current geographical location. When communication with the LMA is again possible, the controller sends any stored geographical locations. The controller may store timestamps associated with the geographical locations. The controller may send the geographical locations to the LMA at intervals determined by predefined rules. | 02-04-2010 |
20100026571 | Nautical Safety Beacon - A signalling beacon which includes a global positioning system receiver, operable to determine a geographic location of the signalling beacon, a radio frequency transmitter operable to transmit a radio frequency signal, a radio frequency receiver operable to receive a radio frequency signal, a processor, operable to read the geographic location from the global positioning system receiver, to compile a data message containing the geographic location of the signalling beacon and to transmit the data message as a radio frequency signal via the radio frequency transmitter and a waterproof case for housing the global positioning system receiver, the radio frequency transmitter, the radio frequency receiver and the processor. | 02-04-2010 |
20100026572 | METHOD AND APPARATUS FOR CALCULATING ATTACHMENT LOCATION AND THICKNESS OF SUPPLEMENT PAD USING INDOOR GPS - A method and apparatus method of calculating attachment location and thickness of a supplement pad to be attached to a member includes a first step of receiving information on flatness measurement points from a unified management server which have previously been calculated during design of the member, a second step of calculating a three-dimensional coordinate at each of the flatness measurement points on the member, and a third step of calculating the attachment location and thickness of the supplement pad to be attached to the member on the basis of the calculated three-dimensional coordinates. The second step includes bringing an indoor GPS sensor into contact with the member at each of the flatness measurement points, and calculating the three-dimensional coordinate on an end of the indoor GPS sensor, which is in contact with the member, through the use of another indoor GPS installed on the member | 02-04-2010 |
20100033372 | IN-VEHICLE ALERT OF CLOUD POINT IN ENGINE DIESEL FUEL - The disclosure relates to a method for receiving in-vehicle information regarding diesel fuel cloud point condition. The method includes establishing communication between a telematics unit in a vehicle and i) a global positioning system device, ii) a call center including a database, and iii) a cloud point monitoring device in the vehicle. The telematics unit receives from at least one of i, ii, or iii, information pertaining to vehicle location, cloud point, and ambient temperature. The telematics unit determines from the information whether fuel in a fuel system of the vehicle is reaching cloud point or can reach cloud point within a given time period. The telematics unit then transmits an in-vehicle alert when the fuel in the vehicle fuel system is reaching cloud point or can reach cloud point within a given time period. The disclosure also relates to a system for performing the method. | 02-11-2010 |
20100039320 | Hybrid GNSS and TDOA Wireless Location System - A method and apparatus for position determination is provided using measurements from both Global Positioning System (GPS) receivers and terrestrial-based Uplink Time Difference of Arrival (UTDOA) receivers. The method involves the transformation of downlink satellite measurements into equivalent UTDOA measurements by computing comparable cross-correlation coefficients and time differences of arrival with respect to a UTDOA reference station. The method includes a weighting operation whereby the relative weights of the UTDOA measurements and the relative weights of the GPS measurements are adjusted based on a theoretical scaling followed by empirical adjustments. The method further involves the efficient computation and combining of metrics that are used to minimize the weighted error between candidate location solutions and the UTDOA and GPS measurements. This is done efficiently in two dimensions for UTDOA and in three dimensions for GPS measurements by increasing the complexity of searching operations as the optimal location solution is approached. A technique is also described that improves upon a particular location solution by changing the measurement weightings using criteria specific to GPS and UTDOA. | 02-18-2010 |
20100045518 | MOBILE TERMINAL AND METHOD FOR AUTOMATIC GEOTAGGING - A mobile terminal and method for automatic geotagging are disclosed. The mobile terminal includes a camera for capturing an image and for generating image data, a location information module for determining location information of the mobile terminal, and a controller configured to concurrently operate the camera and the location information module in response to a user input and to store the location information with the image data. | 02-25-2010 |
20100045519 | METHOD OF RECORDING POSITION OF MOBILE DEVICE, MOBILE DEVICE AND RECORDING MEDIUM THEREOF - A method of recording the position of a mobile device, wherein the method is used to reduce power consumption, a mobile device having a position recording function, and a recording medium having embodied thereon a program for executing the method. The method includes calculating a moving speed of the mobile device; if the moving speed is not higher than a first speed, decreasing the frequency of recording of position information of the mobile device; if the moving speed is higher than the first speed, increasing the frequency of recording of position information of the mobile device; and if the moving speed is higher than the first speed and not higher than a second speed, exponentially-changing the frequency of recording of the position information of the mobile device according to the moving speed of the mobile device. | 02-25-2010 |
20100045520 | Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas - Locating satellites (e.g., GPS) are culled into a preferred group having a longest dwell time based on a time passing through an ellipsoid arc path through a cone of space, and communicated to mobile devices within a particular region (e.g., serviced by a particular base station). The culled locating satellites may select those visible, or more preferably those locating satellites currently within a cone of space above the relevant base station are selected for communication by a mobile device within the service area of the base station. The inverted cone of space may be defined for each antenna structure for any given base station, and each has 360 degrees of coverage, or less than 360 degrees of coverage, with relevant locating satellites. Thus, cell sites may be specifically used as reference points for culling the ephemeris information used to expedite Assisted GPS location determinations. | 02-25-2010 |
20100045521 | Method of Downloading Ephemeris Data Based on User Activity - Ephemeris data is downloaded intelligently to a GPS-enabled wireless communications device based on user activity rather than at fixed predetermined intervals. Ephemeris data can be downloaded to enable both Aided GPS and Assisted GPS. The device can download ephemeris data based on the frequency of requests into an API communicating with a GPS driver, based on the detection of a new network, or a change in time zone of the network time. Intelligent, adaptive downloading of ephemeris optimizes the usage of bandwidth and the data charge to the user while ensuring that ephemeris data is cached to provide assistance for location-based services such as turn-based navigation. | 02-25-2010 |
20100052983 | SYSTEMS AND METHODS FOR MAINTAINING CLOCK BIAS ACCURACY IN A HYBRID POSITIONING SYSTEM - This disclosure describes systems and methods for maintaining clock bias accuracy in a hybrid positioning system. In some embodiments, the method to maintain the stability of an internal clock of an satellite positioning system receiver by using WLAN access points (APs) can include maintaining the internal clock accuracy of a satellite positioning system receiver by using one or more WLAN APs as a reference. | 03-04-2010 |
20100066606 | MULTI-FUNCTION APPLIANCE FOR A SATELLITE NAVIGATION DATA DISTRIBUTION SYSTEM - A multi-function appliance for use in a satellite navigation data distribution system is described. A computer includes an input/output interface and a memory the computer is configured with a plurality of modules. The plurality of modules includes a satellite signal receiver, a packetizer, a network interface, a concentrator, and a decoder. The satellite signal receiver is configured to obtain satellite navigation data from satellite signals. The packetizer is configured to packetize satellite navigation data to produce a reference packet stream. The network interface is configured to transmit packet streams towards a network. The concentrator is configured to remove duplicate packets within reference packet streams to generate a combined packet stream. The decoder is configured to decode satellite data from packet streams. In this manner, the computer may be configured to perform a reference station function, a hub function, or a server function in the satellite navigation data distribution network. | 03-18-2010 |
20100073228 | METHOD AND APPARATUS FOR A GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER COUPLED TO A HOST COMPUTER SYSTEM - The present invention provides a global navigation satellite system (GNSS) receiver apparatus, such as a GPS receiver, operable with a host computer system equipped with a real time clock configured to provide a time signal to the GNSS receiver apparatus. The time signal is used to facilitate acquisition of navigation and global timing information through observation of satellite signals. The global timing information is used to adjust the time signal and/or the real time clock to improve subsequent acquisitions of navigation and global timing information. | 03-25-2010 |
20100073229 | Wide Area Positioning System - Systems and methods are described for determining position of a receiver. The positioning system comprises a transmitter network including transmitters that broadcast positioning signals. The positioning system comprises a remote receiver that acquires and tracks the positioning signals and/or satellite signals. The satellite signals are signals of a satellite-based positioning system. A first mode of the remote receiver uses terminal-based positioning in which the remote receiver computes a position using the positioning signals and/or the satellite signals. The positioning system comprises a server coupled to the remote receiver. A second operating mode of the remote receiver comprises network-based positioning in which the server computes a position of the remote receiver from the positioning signals and/or satellite signals, where the remote receiver receives and transfers to the server the positioning signals and/or satellite signals. | 03-25-2010 |
20100079338 | Promotion Using Geopositioning Technology - Promotional items can be geocached at desired locations as part of a geocaching promotion in which geocachers attempt to locate the promotional items using clues, solving puzzles, or otherwise obtaining GPS coordinates and other information used to determine the geolocation of the geocached promotional items. Some or all of the information needed to identify the geolocation can be encoded into an electronic format and delivered directly to mobile devices including GPS receivers via radio broadcasts or the Internet. GPS coordinates can also be pre-loaded into mobile devices awarded to particular geocachers. Additionally, tracking devices can be attached to the promotional items to permit evaluation of the marketing effort. | 04-01-2010 |
20100085249 | Compact Transmission of GPS Information Using Compressed Measurement Record Format - A format for providing messages among GNSS apparatus includes providing a message identification block and a message body. The message identification block includes information specifying a message length and a message type block specifying a message type. Rather than sending all data from one apparatus to another, ambiguous observation data is sent to conserve bandwidth. At the sender a deconstruction of GNSS code and carrier observations using knowledge of the signal structure and constellation geometry, together with simplifications of atmospheric models, allows removal from the observation data of that information which can be implicitly understood or recreated by the recipient. This enables only the necessary information to be packed for transmission to the recipient. | 04-08-2010 |
20100090892 | Method And System For Customized Full Ephemeris Compatible With Standard AGPS Network Devices - Aspects of a method and system for customized full ephemeris compatible with standard AGPS network devices allows a GPS enabled handset to receive real-time full ephemeris from an AGPS server for calculating a position fix. The real-time full ephemeris may be generated at the AGPS server in response to one or more request for real-time full ephemeris from the GPS enabled handset. The AGPS server may be configured to provide fresh full ephemeris generated at smaller intervals such as every 10-15 minutes as approximated real-time full ephemeris. The generated real-time full ephemeris or fresh full ephemeris may be communicated to the GPS enabled handset periodically or aperiodically. Various predicted real-time full ephemeris or predicted fresh full ephemeris compatible with various standards may be generated via Short Term Orbits (STO) technology. | 04-15-2010 |
20100090893 | User based positioning aiding network by mobile GPS station/receiver - A navigation system with a capability of receiving positioning aiding signals from other users is disclosed. The first aspect is to serve both roles of mobile GPS receiver and mobile GPS station by receiving signals from positioning reference sources and transmitting out the estimated position. The second aspect is to receive other users' position estimates information and to measure distances from other users in the positioning aiding purpose. According to the aspects noted above: (1) the users will have much better chances in finding positioning aiding signals than conventional differential GPS receivers; (2) the more users exist, the better positioning accuracy is obtained; (3) without building local stations, ubiquitous positioning aiding signals are available. | 04-15-2010 |
20100103037 | ELECTRONIC DEVICE AND METHOD FOR POSITIONING THE ELECTRONIC DEVICE - A system and method for positioning an electronic device. The electronic device communicates with one or more monitoring electronic devices via a location server and a plurality of base stations. The system and method receives a standard command message, determines whether information in a received message is the same as information in the standard command message, and obtains position information of the electronic device if the information in the received message is the same as the information in the user-defined standard command message. The system and method further transmit a reply message, which comprises the position information and time for acquiring the position information of the electronic device, to a corresponding monitoring electronic device. | 04-29-2010 |
20100109946 | MOBILE BASED ADVISORY SYSTEM AND A METHOD THEREOF - A system and method for mobile based advising is provided. The system and method involve the user with his mobile terminal formulating a query based on his own input and external sensor input and then sending the query to a remote server, which sends it to an expert group who devise an expert advice, which is then sent back to the user. | 05-06-2010 |
20100117897 | METHOD FOR POSITION DETERMINATION WITH MEASUREMENT STITCHING - A mobile communications device uses a method for determining position that involves a positioning filter, such as a Kalman filter, which is initialized with measurements from reference stations such as satellite vehicles and/or base stations which may be acquired during different epochs. Accordingly, the positioning filter may be used for position estimation without the need to first acquire at least three different signals during the same measurement epoch. | 05-13-2010 |
20100117898 | DETERMINING POSITIONING OF WIRELESS TERMINAL IN TELECOMMUNICATIONS NETWORK - In one of its aspects the technology concerns a method of determining a position of a wireless terminal in a radio access network using information of the travel time of radio waves between a base station and the wireless terminal, the travel time information being retrieved in a way consistent with SUPL positioning. The method comprises performing, at the wireless terminal, a time of arrival measurement for a respective downlink radio frame received from a node associated with a cell of a radio access network. The method thereafter uses the time of arrival measurement and an estimated time of downlink transmission from the node to make a determination of a distance between the wireless terminal and the node. The distance so determined can be used to generate an ellipsoid arc for describing a round trip time positioning of the wireless terminal. As an optional enhancement, the method further includes generating a thickness dimension of the ellipsoid arc, the thickness dimension of the ellipsoid arc reflecting clock uncertainty. | 05-13-2010 |
20100123622 | SYSTEM AND METHOD FOR DETERMINING THE LOCATION OF A MOBILE DEVICE - A system and method for determining the location of a mobile device. A first set of signals from a plurality of radio frequency (“RF”) sources may be received at a mobile device and then downconverted into a second set of signals. The mobile device may then time stamp the second set of signals and transmit the time stamped signals to a location determining system. The location of the mobile device may be determined at the location determining system as a function of the time stamped signals. | 05-20-2010 |
20100127922 | SYSTEM FOR SHARING VIDEO CAPTURED AT JOBSITE - A jobsite inspection system may include an inspection device configured to capture visual media of a viewing area and store the visual media as a media file; a global positioning system adapted to determine a geographic location of the inspection device and embed a location tag into the media file, the location tag is indicative of the geographical location of the inspection device; and a report generator including computer instructions readable by a computing device adapted to receive and store the image file, the report generator is adapted to generate a job report displaying the visual media and a description of the geographical location. | 05-27-2010 |
20100127923 | SYSTEM AND METHOD FOR DETERMINING FALSIFIED SATELLITE MEASUREMENTS - A system and method for determining whether a wireless device has transmitted one or more forged satellite measurements. An estimated location of a wireless device may be determined as a function of signals from a cellular network. For each one of a first set of satellites from which the wireless device receives a signal, expected frequency information may be determined as a function of the estimated location, actual frequency information may be measured, and the expected frequency information compared with the measured frequency information. One or more satellite measurements received from the wireless device may then be identified as forged if a difference between the expected and measured frequency information is greater than a predetermined threshold. | 05-27-2010 |
20100127924 | ACCESSING NAVIGATION INFORMATION VIA A GLOBAL POSITIONING GROUP SUPPORT SERVER - A client device transmits a GNSS address to gain navigation information such as map data from a global positioning group support server. The global positioning group support server may provide navigation information of global positioning groups in the vicinity of the client device based on the received GNSS address. The GNSS address of the client device may be an inherent GNSS address or a GNSS address of a neighboring client device. Client devices are registered and divided into global positioning groups at a global positioning group support server based on corresponding GNSS addresses. A particular client device may be added or removed to or from a given global positioning group. Uni- and bi-directional association tracking within a determined time window is enabled based on corresponding GNSS addresses. Phantom GNSS moving is enabled via the association tracking. | 05-27-2010 |
20100127925 | Reconfigurable Satellite Positioning System Receivers - Methods and apparatus are provided for operatively enabling at least a first receiver path to receive a first signal associated with a first satellite positioning system (SPS), operatively enabling at least a second receiver path to receive a signal associated with at least one other SPS, and subsequently operatively enabling at least the second receiver path to receive a second signal associated with the first SPS. | 05-27-2010 |
20100127926 | ELECTRONIC DEVICE AND POWER CONSERVATION METHOD THEREOF - An electronic device and method for conserving power of a global position system (GPS) include setting a time interval to acquire movement parameters of the electronic device, and activating the GPS and a three-axis accelerometer to acquire the movement parameters of the electronic device. The electronic device and method further include determining if the electronic device is at rest, maintaining an active state of the GPS if the electronic device is not at rest, or disabling the GPS if the electronic device is at rest. | 05-27-2010 |
20100134352 | SYSTEM AND METHOD FOR PROTECTING AGAINST SPOOFED A-GNSS MEASUREMENT DATA - A system and method for detecting one or more forged satellite measurements transmitted from a wireless device. Information may be transmitted to a wireless device, the information including a request that the wireless device provide a portion of a navigation data message from one or more satellites to a location determining system. The one or more satellite measurements and the portion of the navigation data message may be received from the wireless device. The navigation data message may be determined as a function of information from a reference network. The determined navigation data message may then be compared with the received navigation data message portion to thereby determine whether any of the one or more satellite measurements transmitted by the device have been forged. | 06-03-2010 |
20100134353 | METHOD AND SYSTEM FOR EXTENDING THE USABILITY PERIOD OF LONG TERM ORBIT (LTO) - Aspects of a method and system for extending the usability period of long term orbit (LTO) are provided. A GPS enabled handset may receive LTO data from an AGPS server via a wireless communication network such as 3GPP or WiMAX. The GPS enabled handset may be enabled to receive broadcast GPS signals. The GPS enabled handset may extract navigation information from the received broadcast GPS signals to be used to adjust the received LTO data. The usability period of the received LTO data may be extended, accordingly. A clock model and a satellite health model associated with the extracted navigation information may be used to update or replace the clock model and/or the satellite health model of the received LTO data, respectively. A navigation solution for the GPS enabled handset may be determined more accurately based on the adjusted LTO data. | 06-03-2010 |
20100141516 | System and method for providing GNSS assistant data without dedicated receivers - A system and method of providing satellite assistance data to a mobile device without using a reference network. A request may be transmitted to a plurality of mobile device requesting that ones of the devices transmit a portion of a navigation data message received from one or more satellites to a location determining system. Navigation data message portions may be recorded and transmitted from the ones of the plural mobile devices to the location determining system. These navigation data message portions may then be compiled by the location determining system, and assistance data provided to a mobile device as a function of the compiled navigation data message portions. | 06-10-2010 |
20100141517 | Antenna System Having A Steerable Radiation Pattern Based On Geographic Location - An antenna system ( | 06-10-2010 |
20100141518 | AUTONOMOUS COOPERATIVE SURVEYING - A method and apparatus for measuring depth of waterways and elevation of land features through autonomous consolidation of GPS device data acquired from a plurality of mobile platforms is disclosed. The GPS device data may then be processed and compared to published reference data. A data recorder and a wireless transmission system comprise an onboard unit, which serves to interface with the GPS device for collecting, recording and transmitting data. The onboard device also provides an apparatus for collecting other georeferenced data from multiple mobile platforms, and serves as a node on a two-way meshed communication network. | 06-10-2010 |
20100149030 | POSITION DETERMINATION SYSTEM AND METHOD - An improved position determination system and method are described. The method includes determining that a failure to generate an acceptable GNSS position fix has occurred. In response to determining that the failure to generate an acceptable GNSS position fix has occurred, terrestrial positioning information is accessed which is derived from at least one broadcast signal. A second position fix based upon the terrestrial positioning information is generated. | 06-17-2010 |
20100149031 | SYSTEM AND METHOD FOR DETERMINING FORGED RADIO FREQUENCY MEASUREMENTS - A system and method for determining whether a wireless device has transmitted one or more forged radio frequency (“RF”) measurements. A first set of signals from a plurality of RF sources may be received at a wireless device and transmitted to a location determining system. The location determining system may receive a second set of signals from the plurality of RF sources during substantially the same time period and frequency range. The location determining system may compare information from the second set of signals with information from the first set of signals. Alternatively, the location determining system may determine a location of the wireless device as a function of the first set of signals and compare information from the second set of signals with the determined location. The wireless device may be identified as having transmitted one or more forged RF measurements if the information from the second set of signals does not substantially correspond to the information from the first set of signals and/or the determined location. | 06-17-2010 |
20100149032 | SYSTEM FOR DETERMINING POSITION USING TWO WAY TIME TRANSFER SIGNALS - A system for enhancing location estimates by movable rovers including one or more base stations that engage in two way time transfer (TWTT) with the rovers. Each TWTT operation between a given base station and a given rover provides range measurements and clock differences between the base station and rover. The range measurements are based on the travel time of return TWTT signals and the clock differences are based on a phase offset of a code in the return TWTT signal and/or timing information included in the return TWTT signals. | 06-17-2010 |
20100156712 | GPS GATE SYSTEM - A GPS gate system is described for triggering transmission of a message. The system may include a GPS receiver determining a location of the GPS receiver based upon signals received from a GPS satellite system. The GPS receiver determines if the GPS receiver has passed through a GPS gate based upon the received signals. The GPS system may further include a communications system to connect the GPS receiver with a GPS gate communications system to receiver a message generated by the GPS receiver based upon the crossed GPS gate. | 06-24-2010 |
20100156713 | SYSTEM AND METHOD FOR DETERMINING A REFERENCE LOCATION OF A MOBILE DEVICE - A system and method for determining a reference location of a wireless device wherein a location request may be received for the wireless device where the location request fails to identify an approximate location for the wireless device. A reference location may be determined for the wireless device, the reference location selected from the group consisting of: an area defined as a function of at least one of a mobile country code, mobile network code, and/or a location area code; an area defined by a mapping of a provided Internet protocol address to a location; an area determined as a function of a position information element in the location request; a default area; and combinations thereof. | 06-24-2010 |
20100156714 | METHOD AND APPARATUS FOR MONITORING THE INTEGRITY OF SATELLITE TRACKING DATA USED BY A REMOTE RECEIVER - A method and apparatus for monitoring the integrity of satellite tracking data used by a remote receiver is described. In one example, a first set of satellite tracking data is received at a server. Integrity data for a second set of satellite tracking data is generated using the first set of satellite tracking data. The integrity data is then transmitted to at least one remote receiver having the second set of satellite tracking data. | 06-24-2010 |
20100156715 | METHOD AND DISPLAYING ACCOMPANYING VEHICLE POSITION INFORMATION AND APPARATUS THEREOF - The present invention relates to a method for displaying accompanying vehicle position information and an apparatus thereof. The method for displaying the position information according to the present invention receives position information, displays the received position information with a unique identifier of a preset partner terminal, when the position information includes the unique identifier, and displays the received position information with an own identifier, when the position information does not include the unique identifier. According to the present invention, it is possible to display the accompanying vehicle position information with the own position information, without using a separate group management server. | 06-24-2010 |
20100164790 | METHOD OF MANAGING MULTIPLE VEHICLE ANTENNAS - A system and method of managing multiple vehicle antennas. Wireless signals to and from the vehicle are communicated via a primary antenna system having one or more antennas mounted in a housing on the vehicle. Operation of the primary antenna system is monitored so that, if the primary antenna system is broken or otherwise stops working properly, the system switches to a secondary antenna system housed in a separate location on the vehicle. | 07-01-2010 |
20100164791 | METHOD AND APPARATUS FOR PROVIDING MAPPING DATA - A method and apparatus for providing mapping data in a network are disclosed. For example, the method receives coordinate data from a customer mobile endpoint device, and processes the coordinate data against at least one existing map. The method then identifies a route associated with the coordinate data as a candidate new route if the route is not previously known on the at least one existing map. | 07-01-2010 |
20100164792 | SYSTEM AND METHOD FOR CORRELATING BROADCAST STATION WITH GEOGRAPHIC PROXIMITY ON EARTH - A communication device for use in a system including a first global positioning system satellite, a second global positioning satellite, a broadcast transmitter and a database. The first global positioning system satellite is operable to generate a first position signal. The second global positioning system satellite is operable to generate a second position signal. The broadcast transmitter is disposed in a first location and is operable to transmit a broadcast signal having broadcast transmitter identification information therein. The database has correlation data therein, and is operable to generate a first correlation, a second correlation and a correlation signal. The first correlation is based the broadcast transmitter identification information and the first location. The second correlation is based on the first location and one of the first global positioning system satellite and the second global positioning satellite. The correlation signal is based on the second correlation. The communication device includes a first receiver, a processing portion, a transmission portion, a second receiver portion and a communication portion. The first receiver portion is operable to receive the broadcast signal. The processing portion is operable to extract the broadcast transmitter identification information from the broadcast signal. The transmission portion is operable to transmit the broadcast transmitter identification information to the database. The second receiver portion is operable to receive the correlation signal. The communication portion is operable to transmit a communication signal to the one of the first global positioning system satellite and the second global positioning satellite, based on the correlation signal. | 07-01-2010 |
20100171654 | Multi-band, multi-channel, location-aware communications booster - The invention is a device for multiband, multi-channel, wireless communications that automatically provides signal amplification when necessary, and that automatically avoids harmful interference to base stations and other parts of the communications infrastructure. The device is especially suitable for, but not limited to, cellular and PCS bands and channels. The invention is a unique combination of a bidirectional amplifier, a GPS receiver, a processor, and a removable, updatable memory. The memory stores comprehensive information that determines if amplification is necessary at a particular location sensed by the GPS receiver. Because the memory is removable and updatable, it therefore provides protection against piracy and unauthorized and improper use. | 07-08-2010 |
20100171655 | METHOD AND SYSTEM FOR SELECTING OPTIMAL SATELLITES FOR A-GPS LOCATION OF HANDSETS IN WIRELESS NETWORKS - A system and method for determining a set of satellites for which assistance data may be provided to a wireless device. A boundary for an approximate area in which the wireless device is located may be determined and one or more sets of satellites may be determined as a function of the boundary. An optimum set of satellites from the one or more sets of satellites may then be determined using a satellite selection function on the one or more sets of satellites at predetermined points substantially on the boundary. | 07-08-2010 |
20100171656 | Electronic apparatus and image display method - The invention discloses an electronic apparatus. The electronic apparatus includes a storage module, a receiving module, a processing module, and a display module. The storage module is used to store a plurality of image data, and each image data has a corresponding coordinate data. The receiving module is used to receive a positioning data related to the electronic apparatus. The processing module is used to select at least one image data according to the positioning data and the coordinate data. The display module is used to display the at least one image data. | 07-08-2010 |
20100171657 | SYSTEM AND METHOD FOR WIRELESS POSITIONING AND LOCATION DETERMINATION - According to the present invention, there is provided a system and method for wireless sensor networks (WSN) positioning which is cost-effective, scalable, can be easily implemented, and provides excellent performance and accuracy. In the present invention, a few reference nodes with known locations transmit linear frequency modulation continuous waves (FMCW), while sensor nodes receive these waves and calculate the range difference among them based on the time frequency difference arrival (TFDA). The location information of the sensor nodes is obtained through the solving of a set of hyperbolic equations. This technique is cost-efficient, scalable and can be easily implemented. | 07-08-2010 |
20100182196 | METHOD AND APPARATUS FOR PROVIDING A GLOBAL SECURE USER PLANE LOCATION (SUPL) SERVICE - A method and apparatus for providing assistance data for satellite positioning system receivers utilizing a secure user plane location (SUPL) service. In one embodiment, the assistance data is supplied by a global secure user plane location center that contains global assistance data. | 07-22-2010 |
20100194634 | METHOD AND APPARATUS FOR POSITION DETERMINATION WITH HYBRID SPS ORBIT DATA - A method and system for a mobile station to determine its position (or velocity) and time using a hybrid combination of satellite orbit data. In one aspect, the mobile station combines predicted orbit data from one satellite and real-time orbit data from another satellite in the determination of a fix. The combination can be made to the satellites in the same or different satellite systems. The mobile station can use the real-time orbit data of a satellite at one time period and the predicted orbit data of the same satellite at another time period. In another aspect, the mobile station can use the real-time orbit data to correct the clock bias in the predicted orbit data. The correction to the clock bias can be made to the same satellite that provides the real-time orbit data, or to a different satellite in the same or in another satellite system. | 08-05-2010 |
20100207812 | RIDESHARE SYSTEM AND ASSOCIATED METHODOLOGY - A rideshare system and associated methodology for recommending rideshares to prospective riders and drivers uses itineraries and personal affinities to make the recommendations. The rideshare system computes a cost value by comparing the search criteria submitted by a user to stored user profiles. Results of the comparison are displayed in order of highest match to lowest match, according to the cost values computed. Further, the system also adaptively updates the stored profiles according to rideshare history. Lastly, the system includes a real-time user localization unit to locate prospective riders and drivers in real time, making just in time or unplanned rideshares possible. | 08-19-2010 |
20100214164 | Longitudinal and Lateral Velocity Estimation Using Single Antenna GPS and Magnetic Compass - A system and method is provided for determining a lateral velocity and a longitudinal velocity of a vehicle equipped. The vehicle includes only one antenna for a GPS receiver and a magnetic compass. A magnitude of a velocity vector of the vehicle is determined. A course angle with respect to a fixed reference using the single antenna GPS receiver is determined. A yaw angle of the vehicle is measured with respect to the fixed reference using a magnetic compass. A side slip angle is calculated as a function of the course angle and the yaw angle. The lateral velocity and longitudinal velocity is determined as a function of the magnitude of the velocity vector and the side slip angle. | 08-26-2010 |