Patent application number | Description | Published |
20080232339 | Adapting TXOP requests for multi-radio platforms - A first radio in a wireless network may request a transmit opportunity (TXOP) of a certain duration, with the duration being based a likelihood that a TXOP of that duration would cause interference with a co-located second radio. The duration may be dynamically adjusted based on the likelihood of such interference. | 09-25-2008 |
20080240021 | MAC coordination architecture for multi-ratio coexistence and a method for connecting over sideband channels - A wireless device with a multi-radio platform includes a scheduling coordinator connected by a control bus to enable the radios to share frequency spectrum by operating during time slots requested by the radios, avoid collisions, mitigate interference and control shared hardware components. | 10-02-2008 |
20080242329 | Methods and arrangements for link rate adaptation in multi-radio co-existence platforms - Methods and arrangements for link rate adaptation in multi-radio co-existence platforms (MRPs) are contemplated. Embodiments include transformations, code, state machines or other logic to determine an overlap between receiving by a wireless device of the MRP and transmitting by other of the wireless devices of the MRP and to select a link rate of the wireless device of the MRP based upon the determining an overlap. The embodiments may also include communicating the determined link rate to a wireless device transmitting to the wireless device of the MRP. Embodiments may also include selecting a previously used link rate if the receiving overlaps the transmitting. Embodiments may also include basing the link rate upon an overlapping or non-overlapping Signal-to-Interference-Plus-Noise-Ratio depending on the relative amounts of overlapping and non-overlapping. | 10-02-2008 |
20080247367 | SYSTEMS AND METHODS FOR SCHEDULING TRANSMISSIONS FOR COEXISTENCE OF DIFFERING WIRELESS RADIO PROTOCOLS - Embodiments of systems and methods for Bluetooth and WiMAX coexistence are generally described herein. Other embodiments may be described and claimed. In some embodiments systems and methods are described to determine a temporal reference associated a frame, and then align another wireless frame with that temporal reference. Once aligned, transmissions and receptions in one wireless frame may be arranged to not temporally overlap with transmissions or reception the other wireless frame. | 10-09-2008 |
20080247445 | ARCHITECTURE AND METHODS FOR COEXISTENCE OF WIRELESS RADIOS HAVING DIFFERING PROTOCOLS - Embodiments of systems and methods for the coexistence of wireless radios having differing protocols are generally described herein. Other embodiments may be described and claimed. In some embodiments systems and methods for synchronizing clocks between two radios, and using a signal to notify one of the radios to refrain from transmitting for a timeperiod are described. | 10-09-2008 |
20090003293 | Accounting for map parsing delay to enable coexistence of multiple radios - In general, in one aspect, the disclosure describes an apparatus that includes a first radio to communicate with a first wireless network and a second radio to communicate with a second wireless network. The first wireless network transmits a map defining locations within an assigned spectrum data is to be communicated therebetween. An earliest possible location defined in map is such that the map can be parsed within the time it would take to get to the earliest possible location so that the radio can be turned off after receiving the map until the location defined in the map, and the second radio is active when the first radio is not. | 01-01-2009 |
20090003307 | MULTI-RADIO WIRELESS COMMUNICATION DEVICE METHOD FOR SYNCHRONIZING WIRELESS NETWORK AND BLUETOOTH COMMUNICATIONS - Embodiments of a multi-radio wireless communication device and methods for synchronizing wireless network and Bluetooth (BT) communications are generally described herein. Other embodiments may be described and claimed. In some embodiments, a BT radio module adjusts a master clock signal by a predetermined step size before each subsequent BT transmission in response to a frame sync pulse from a wireless network radio module to reduce a time difference between subsequent frame sync pulses and synchronization reference points of BT slots. | 01-01-2009 |
20090054009 | MULTI-RADIO WIRELESS COMMUNICATION DEVICE AND METHOD FOR COORDINATING COMMUNICATIONS BETWEEN POTENTIALLY INTERFERING RADIOS - Embodiments of a multi-radio wireless communication device having a Worldwide Interoperability for Microwave Access (WiMax) radio module and a Bluetooth (BT) radio module and methods for communicating are generally described herein. Other embodiments may be described and claimed. In some embodiments, a WiMax active signal is asserted by a coexist controller of the WiMax radio module during receipt of a downlink subframe, and the BT radio module aligns a BT slot boundary of either master-to-slave or slave-to-master slot based on timing information conveyed by the WiMax active signal. The WiMax active signal may be de-asserted by the coexist controller during transmission of an uplink subframe by the WiMax radio module. | 02-26-2009 |
20090061849 | REDUCING CO-INTERFERENCE ON A MULTI-RADIO PLATFORM - A wireless communications device in a first network with contention-based access may send a special frame to one or more other devices in the first network, informing them that it will not be available to receive any transmissions during a specified time period. The frame may also specify a delay period, indicating when the period of unavailability will start. When the device sending the special frame also has a co-located radio that operates in a second network that uses centrally-controlled scheduling, this special frame may be used to prevent other devices in the first network from sending it any transmissions while the co-located radio is communicating in the second network, thereby reducing the chance of interference between the two co-located radios. | 03-05-2009 |
20090086712 | Minimizing mutual interference for multi-radio co-existence platforms - In general, in one aspect, the disclosure describes a method that includes selecting an offset between start of communications of a first radio in a multi-radio platform (MRP) and start of communications of a second radio in the MRP. Synchronizing clocks of the fist radio and the second radio to maintain the offset. Determining safe zones within the communications of the second radio based on configuration of the first radio and the second radio and the selected offset. The safe zones are locations that minimize conflicts between receiving operations of the first radio that are at fixed locations and transmitting operations of the second radio and transmitting operations of the first radio that are at fixed locations and receiving operations of the second radio. | 04-02-2009 |
20090111500 | MULTI-RADIO PLATFORM WITH WIMAX AND BLUETOOTH RADIO MODULES AND METHOD - Embodiments of a multi-radio platform with longer-range and shorter-range radio modules and method are generally described herein. Other embodiments may be described and claimed. In some embodiments, a transmit power level is set for transmissions by a shorter-range radio module during a reception by a longer-range radio module to a lesser of a maximum allowed power level or a next requested power level when transmit step-down mode is enabled. The transmit power level is set to the next requested power level when the longer-range radio module is not transmitting. The shorter-range radio module refrains from transmitting when a transmit-kill mode is enabled during the reception by the longer-range radio module. | 04-30-2009 |
20090147756 | COORDINATING COMMUNICATIONS AMONG WIRELESS PERSONAL AREA NETWORK DEVICES - Embodiments of a multi-radio wireless communication device having two or more radio modules are generally described herein. In some embodiments, an initiating link manager may generate and transmit messages to a responding link manager. The messages may include a desired slot offset value and a desired point in time to perform slot adjustment. The responding link manager may return with a message indicating acceptance or nonacceptance of the desired slot offset value. If the responding link manager accepts the desired slot offset value, the message may also include whether the slot adjustment may be implemented at the desired point in time or incrementally. Other embodiments may be described and claimed. | 06-11-2009 |
20090252128 | MULTI-TRANSCEIVER WIRELESS COMMUNICATION DEVICE AND METHODS FOR OPERATING DURING DEVICE DISCOVERY AND CONNECTION ESTABLISHMENT - Embodiments of a multi-transceiver wireless communication device and methods for operating during device discovery and connection establishment are generally described herein. In some embodiments, the multi-transceiver wireless communication device includes a broadband wireless access network (BWAN) transceiver and a short-range frequency-hopping (SRFH) transceiver. The SRFH transceiver transmits a non-continuous sequence of either page or inquiry trains to either discover or establish an initial connection with a SRFH device when an active BWAN connection exists with a base station. The non-continuous sequence of trains may include a regularly repeating vacant transmission interval selected to coincide with listen intervals of frames when the BWAN transceiver is in sleep mode. | 10-08-2009 |
20100093343 | METHODS AND APPARATUS FOR PROVIDING A ROAMING SUPPORT SYSTEM - Embodiments of methods and apparatus for providing a roaming support system are generally described herein. Other embodiments may be described and claimed. | 04-15-2010 |
20100220610 | MAC SLOT ALIGNMENT AMONG MULTIPLE WIRELESS STATIONS - A device in a wireless network receives signals and determines media access control (MAC) slot boundaries of the received signals. The MAC slot boundaries are averaged in time, and a local slot boundary is modified in response thereto. The local MAC slot boundary is modified by less than ten percent of a short interframe space until the local MAC slot boundary is within one orthogonal frequency division multiplexing (OFDM) cyclic prefix duration of the averaged MAC slot boundaries. | 09-02-2010 |
20120120944 | METHODS AND APPARATUSES FOR MULTI-RADIO COEXISTENCE - A method for coexistence radio communication systems is presented. In one embodiment, the method includes receiving a realtime frame synchronization signal and receiving one or more frame parameters. The method further includes determining, based at least on the frame synchronization signal and the frame parameters, estimated frame timing information and scheduling transmission based on the estimated frame timing information to avoid collision of the transmission and reception. | 05-17-2012 |
20120230303 | ARCHITECTURE AND METHODS FOR COEXISTENCE OF WIRELESS RADIOS HAVING DIFFERING PROTOCOLS - Embodiments of systems and methods for the coexistence of wireless radios having differing protocols are generally described herein. Other embodiments may be described and claimed. In some embodiments systems and methods for synchronizing clocks between two radios, and using a signal to notify one of the radios to refrain from transmitting for a timeperiod are described. | 09-13-2012 |
20120270595 | ADAPTING TXOP REQUESTS FOR MULTI-RADIO PLATFORMS - A first radio in a wireless network may request a transmit opportunity (TXOP) of a certain duration, with the duration being based a likelihood that a TXOP of that duration would cause interference with a co-located second radio. The duration may be dynamically adjusted based on the likelihood of such interference. | 10-25-2012 |
20130262208 | Peer-to-Peer Distribution of Advertising - Advertising may be distributed over a location based peer-to-peer network. A first customer may send a received advertisement to other customers over a short range distribution system in some embodiments. An identifier of the first customer may be appended to the transmission. The identifier may be used to reward the first customer for the referral. | 10-03-2013 |
20130263084 | Automatic Code Generation for Crowdsourced Automatic Data Collection - An automatic code generator that may be located at a server may generate code to handle crowdsourced data. The crowdsourced data may come from members of the public using automatic data collection technology on mobile devices, in one embodiment. | 10-03-2013 |
20140003655 | METHOD, APPARATUS AND SYSTEM FOR PROVIDING IMAGE DATA TO REPRESENT INVENTORY | 01-02-2014 |
20140059694 | Privacy-Enhanced Car Data Distribution - In accordance with some embodiments, data may be collected from vehicles, and then reported to various subscribers with different levels of access privileges and pursuant different levels of security. In some embodiments, the data may be authenticated by a cloud service without revealing the identity of vehicle owner. This may provide enhanced privacy. At the same time, some types of the data may be encrypted for security and privacy reasons. Different information may be provided under different circumstances to different subscribers, such as the government, family members, location based services providers, etc. | 02-27-2014 |
20140185494 | METHOD AND SYSTEM FOR COEXISTENCE OF MULTIPLE COLLOCATED RADIOS - An apparatus may include a set of transceivers comprising three or more transceivers each operable to communicate via a wireless communications standard different from each other transceiver and a driver to output an enable signal when a first transceiver of the set of transceivers is active. The apparatus may also include a processor circuit and a real-time frame synchronization module operable on the processor circuit to receive a first frame synchronization input signal to delineate first receive and first transmit periods of a radio frame of a first transceiver of the set of transceivers, and to generate a frame synchronization signal to align receive and transmit periods of each of a multiplicity of additional transceivers of the set of transceivers to the respective first receive and first transmit periods of the first transceiver. Other embodiments are disclosed and claimed. | 07-03-2014 |
20140194139 | LOCATION SENSING USING CHANNEL FADING FINGERPRINTING - A system and method are provided for providing precise location sensing for wireless devices in an indoor environment using channel fading fingerprinting. An indoor environment within which wireless devices are used is surveyed to develop a channel fading database for the indoor environment. The surveying of the indoor environment determines a specific channel fading profile according to 30 subcarrier frequencies in a wireless signal for numerous locations within the indoor environment. A wireless device scans for available wireless access points and extracts a channel fading profile for a current location of the wireless device. The extracted channel fading profile for the current location of the wireless device is compared with the channel fading database. A best match comparison between the extracted channel fading profile and the channel fading database is used to determine an actual physical location of the wireless device in the indoor environment. | 07-10-2014 |
20140196111 | SECURED ELECTRONIC DEVICE - Methods, systems, and apparatus for communicatively pairing and securing an electronic device to a vehicle based electronic system. The pairing can enable the electronic device to seamlessly communicate with the electronic device and can provide infotainment to users of the vehicle. | 07-10-2014 |
20140197830 | PROXIMITY DETECTION VIA MAGNETIC RESONANCE COUPLING - A magnetic resonance technology is used to implement front and back proximity sensing capability for wireless devices such as a laptap device. For example, a high quality (Q) factor coil antenna may be embedded in a display, such as a liquid crystal display, of a first laptap device to detect other wireless devices (e.g., a second laptap) that are within coupling distance of the first laptap device. In this example, the second laptap device induces a sine wave signal to the first laptap device if the second laptap device is physically located at backside of the first laptap device. Otherwise, the second laptap device may induce a cosine wave signal to the first laptap device if the second laptap device is physically located at the front side of the first laptap device. | 07-17-2014 |
20140222341 | Managing Navigation Changes - In accordance with some embodiments, multiple navigation changes to a navigation system may be managed. The navigation system may receive and first set of navigation changes. Then, the navigation system may establish communication with a user device. The navigation system may then receive a second set of navigation changes associated with the user device. As a result, the navigation system may merge the first set of navigation changes with the second set of navigation changes. | 08-07-2014 |
20150026741 | USE OF DIGITAL TV BANDWIDTH FOR WEB CACHE PRE-LOADING - Generally, this disclosure provides systems, devices, methods and computer readable media for the use of digital TV (DTV) bandwidth for web cache pre-loading. A system may include a receiver module configured to receive a digital television (DTV) signal. The system may also include a data extraction module configured to extract the web cache data from the DTV signal, wherein the web cache data is encoded within the spectral bandwidth of the DTV signal. The system may further include a network interface configured to transmit the extracted web cache data to a device that includes a web cache pre-loading service. | 01-22-2015 |
20150052239 | CONTEXT BASED SPECTRUM MANAGEMENT SYSTEM - Generally, this disclosure provides systems, devices, methods and computer readable media for context based spectrum management. A device may include a user preference determination module to determine a level-of-service preference of a user of the device, the preference associated with an application. The device may also include a user state determination module, to determine a state of the user, and a device capability determination module, to determine capabilities of the device. The device may further include an application programming interface (API) to provide the context to a cloud-based server configured to manage spectrum. The context includes the preference, the state and the capabilities. The API is further configured to receive content delivery options from the cloud-based server. | 02-19-2015 |
20150086084 | SYSTEMS AND METHODS FOR MAPPING - Systems and methods to generate maps or models of structures are disclosed. Features of the structure to be mapped may be determined for the purposes of generating the map or model based at least in part on images associated with the structure, sensor measurements associated with the structure, and phase data of communications signals that interact with the structure. The mapping or modeling processes may be performed at a mapping server that receives images, sensor data, and/or communications signal phase information from one or more user devices, such as mobile devices. The mapping servers may perform a simultaneous localization and mapping (SLAM) process and may enhance the generated maps using sensor and/or communications phase data to map one or more hidden features of the structure. | 03-26-2015 |