44th week of 2008 patent applcation highlights part 34 |
Patent application number | Title | Published |
20080267041 | OPTICAL SIGNAL RECORDING MEDIUM AND INFORMATION RECORDING/REPRODUCING APPARATUS - An optical signal recording medium includes at least one signal recoding plane in which an optical signal is to be recorded, and a control information region which is a portion other than the signal recoding plane, and in which a diffraction grating is disposed. | 2008-10-30 |
20080267042 | OPTICAL PICKUP DEVICE - A quarter-wave plate and a polarization beam splitter are used as means for guiding a laser beam to first and second objective lenses. A half of the circularly-polarized laser beam incident to the polarization beam splitter is reflected in the form of an S-polarized light component by the polarization beam splitter and guided to a first objective lens, and the other half is transmitted through the polarization beam splitter in the form of a P-polarized light component and guided to a second objective lens. The whole of light quantity of the laser beam reflected from an optical disk through the first or second objective lens passes substantially through the polarization beam splitter. Therefore, the light quantity of the laser beam guided to a photodetector can be enhanced. | 2008-10-30 |
20080267043 | Optical pickup having optical path length correction function - An optical pickup configured so as to reproduce signals recorded in optical disks of plural standards by means of a single laser beam. The optical pickup has an objective lens for gathering a laser beam emitted from a semiconductor laser—which emits a laser beam of single wavelength—onto a signal recording layer provided in each of optical disks of first and second standards whose cover layers differ from each other in terms of a thicknesses. The first standard is; for example, a CD, and the second standard is; for example, a DVD. An optical path length correction member—in which there is formed an optical path length correction section for making a correction to an optical path length falling within a range smaller than the diameter of a light beam passing through the objective lens—is provided in an optical path between the semiconductor laser and the objective lens. The optical path length correction section may also be formed on a lens plane of the objective lens facing the semiconductor laser. | 2008-10-30 |
20080267044 | Optical pickup device and optical disc apparatus - An optical pickup device has: a light source; an objective lens that condenses laser light emitted from the light source on a recording layer of an optical disc; and a movable lens that is disposed between the light source and the objective lens and that is movable along the optical axis. The movable lens is moved to correct for spherical aberration. Between the light source and the objective lens, a RIM intensity adjusting element is also disposed that adjusts the RIM intensity by changing the range within which, as the movable lens is moved, the intensity of the laser light incident on the objective lens can be varied. | 2008-10-30 |
20080267045 | Laser driving method and optical disc recording/reproducing device - A laser driving method and an optical disc recording/reproducing apparatus are provided which are arranged to stably write data on an optical disc. The laser driving method is applied to a laser driving circuit arranged to have a laser diode for emitting a laser beam onto an optical disc, a transistor connected in series with the laser diode and a variable power supply for applying a DC voltage to the laser diode. The laser driving method includes the steps of causing the laser diode to emit a laser beam on trial before starting recording of data on the optical disc, detecting an operating voltage applied onto a contact between the laser diode and the transistor, and adjusting a DC voltage of the variable power supply based on the operating voltage. | 2008-10-30 |
20080267046 | OPTICAL HEAD DEVICE AND OPTICAL INFORMATION DEVICE USING THE SAME, COMPUTER, OPTICAL DISK PLAYER, CAR NAVIGATION SYSTEM, OPTICAL DISK RECORDER, AND OPTICAL DISK SERVER - It is an object of the present invention to record to and reproduce different types of optical disks using light beams with different wavelengths. In an optical head device for recording to and reproducing high-density optical disks using an objective lens with a large NA, a sawtooth-shaped hologram is used for recording to and reproducing conventional optical disks such as DVDs. For blue light, a sawtooth height is the light path length | 2008-10-30 |
20080267047 | Secure optical data card system - A method of producing data storage card for storage of machine-readable information includes an optical memory area subjected to optical information recording and reproduction, comprising, a card-like card body, an optical recording portion provided on the card body. A method of combining a file access system with a write once optical data card produces a secure portable database system. | 2008-10-30 |
20080267048 | Irreversible Optical Recording Medium by Formation of Bubbles Having a Height Limited by the Gas Source Generating Them - An irreversible optical recording medium comprises at least an active layer presenting a rear face and a front face designed to receive at least an optical writing radiation. The optical writing radiation enables gas bubbles forming write marks to be formed locally in said active layer by means of a layer forming a gas source arranged on the rear face of the active layer. The layer forming the gas source moreover has a thickness less than or equal to 100 nm so as to limit the height of the bubbles formed in the active layer and therefore to improve tracking when read operations are performed. The layer forming the gas source is preferably made of carbon-doped hydrogenated amorphous silicon oxide. | 2008-10-30 |
20080267049 | Optical Disc Drive - In a recordable data storage medium on which property data was recorded after having been modulated and on which data that is decodable by a cryptographic key to be generated from the property data was recorded, the property data was preferably modulated by a different method from that applied to a read-only data storage medium. Then, an optical disc drive, having no ability to distinguish the recordable data storage medium from the read-only data storage medium, cannot read the recordable data storage medium. Consequently, a greater number of drives should be equipped with the function of recognizing the type of a given data storage medium and the copyright protection function should be consolidated. | 2008-10-30 |
20080267050 | INFORMATION RECORDING MEDIA AND PLAYBACK POWER DETERMINING METHOD FOR SIGNAL PLAYBACK - A super resolution optical disk medium having an array of pits less than or equal in size to optical resolution is disclosed, wherein the pits are read by using heat generated within the medium upon irradiation of a read laser beam. A playback power determination method for use with the disk is also disclosed. A playback power level at which super resolution occurs is determined based on a bit error rate (bER) of the optical disk and the amplitude of a playback signal having a predefined signal pattern. In the optical disk, NR/SR is set to one (1) or less, where SR is the signal obtained from a high-temperature region in case the playback is performed in the state that the super resolution occurs, and NR is the amplitude of a signal which is read in the absence of such super resolution. | 2008-10-30 |
20080267051 | OPTICAL INFORMATION RECORDING MEDIUM, AND SUBSTRATE AND MANUFACTURING METHOD FOR THE OPTICAL INFORMATION RECORDING MEDIUM - In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or a numerical aperture of an address pit signal occupying in a reproduced signal in a non recording state is prescribed to be more than 0.3. | 2008-10-30 |
20080267052 | OPTICAL INFORMATION RECORDING MEDIUM, AND SUBSTRATE AND MANUFACTURING METHOD FOR THE OPTICAL INFORMATION RECORDING MEDIUM - In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or a numerical aperture of an address pit signal occupying in a reproduced signal in a non recording state is prescribed to be more than 0.3. | 2008-10-30 |
20080267053 | OPTICAL INFORMATION RECORDING MEDIUM, AND SUBSTRATE AND MANUFACTURING METHOD FOR THE OPTICAL INFORMATION RECORDING MEDIUM - In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or a numerical aperture of an address pit signal occupying in a reproduced signal in a non recording state is prescribed to be more than 0.3. | 2008-10-30 |
20080267054 | SYSTEMS AND METHODS FOR RECORDING OPTICAL INFORMATION - A system controlling recording on an optical disc is provided. A first counter performs a bit count according to provided channel bit clock signals. A second counter performs a sector count responsive to the bit count obtained by the first counter. The Land/Groove switch predicts machine uses the result of bit count and sector count to predict the land/groove switch point. The processor uses the physical ID (PID) to determine the track type of a sector at which a recording operation initiates. The power controller determines a recording power for the recording operation according to the Land/Groove switch predict machine. | 2008-10-30 |
20080267055 | METHODS AND APPARATUS TO CANCEL NOISE USING A COMMON REFERENCE WIRE-PAIR - Methods and apparatus to cancel noise using a common reference wire-pair are disclosed. An example method comprises measuring a first signal present on a first wire-pair at a noise canceller, the first wire-pair to be connected to the first noise canceller and to be connected to a customer-premises digital subscriber line (DSL) modem, wherein the noise canceller and the customer-premises DSL modem are to be disposed at different customer-premises locations, and cancelling a first noise received on a second wire-pair at the noise canceller based on the first signal. | 2008-10-30 |
20080267056 | METHOD AND APPARATUS FOR PERFORMING MULTI-ANTENNA TRANSMISSION - A method and apparatus for performing beamforming are provided herein. During operation, a mobile device will notify a base station of the situation in which one or more of its antennas has become unusable. Using this technique, the Multiple Input, Multiple Output (MIMO) algorithms employed at the base station will be adjusted accordingly. | 2008-10-30 |
20080267057 | System and method for resource block-specific control signaling - A system and method is disclosed for resource block-specific control signaling in a communication system. Communication data is transmitted using a transmission channel comprising a plurality of resource blocks defined by allocating time-frequency slots in a transmission resource. Resource block control information is transmitted in a “feed-forward” manner to a user end (UE) or group of UEs using channels physically mapped into scheduled resource blocks (RBs) for that user or group of users. Embodiments of the invention provide an RB-specific control channel that comprises RB control elements that are embedded within scheduled resource blocks. The invention, therefore, reduces the amount of control information that must be transmitted by common or shared control channels. | 2008-10-30 |
20080267058 | Optimum technique for encoding and decoding physical resource block locations - An apparatus, such as a user equipment, includes a resource unit RU measurement unit coupled to an output of a wireless receiver; an encoder configurable to encode information descriptive of M perceived best ones of N RUs, where each individual RU is assigned a unique number from a set | 2008-10-30 |
20080267059 | Methods and arrangements to determine a reception of a signal - Methods and arrangements for wireless communications are described. Embodiments include transformations, code, state machines or other logic to receive from a transmitter a signal representing a known sequence of symbols. The signal may be transmitted over a plurality of sub channels. The embodiments may also include determining channel responses at the sub channels and determining a reception of the known sequence. The determining may include treating the channel responses at the sub channels in a differential manner to cancel out channel phase responses and obtain channel amplitudes. In some embodiments, the cancelling may be performed by multiplying frequency domain values representing reception of a sub channel by the complex conjugate of frequency domain values of a neighboring sub channel. Many embodiments may also include calculating a carrier to interference and noise ratio (CINR) of the signal. In several embodiments, the signal may represent the preamble of a wireless frame. | 2008-10-30 |
20080267060 | METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR PROVIDING HIGH SPEED FAULT TRACING WITHIN A BLADE CENTER SYSTEM - Providing high speed fault tracing within a blade center system by using a high speed transmitter port of a switch to implement a first snoop port and using a high speed receiver port of the switch to implement a second snoop port, thus permitting snooping of the blade center system from a single blade slot. | 2008-10-30 |
20080267061 | METHOD AND APPARATUS FOR HANDLING CELL RESELECTIONS AND TRANSITIONS TO AND FROM AN ENHANCED CELL_FACH STATE - A method and apparatus for handling cell reselections and transitions includes executing a cell reselection. A medium access control (MAC)-ehs reset is performed. | 2008-10-30 |
20080267062 | Remote redundant voice server system - During normal operation, a user terminal supported by an IP-PBX server establishes a call by resolving the name of the IP-PBX server using a DNS server. When the DNS server provides the address of the IP-PBX server, the IP-PBX server can be contacted. However, if the SIP controller learns that the IP-PBX is no longer operating, the information stored by the service provider environment may be used to build or configure an IP-Centrex server at a remote site which takes over for the failing IP-PBX server. The newly configured IP-Centrex server then registers itself with the SIP controller and either the SIP controller or the IP-Centrex server then informs the DNS server of the IP address of the IP-Centrex and tells the DNS server that the IP-Centrex server will respond to messages for the failed IP-PBX server. The newly configured IP-Centrex server then handles the messages and control flow previously handled by the IP-PBX server. When the IP-PBX server is repaired or replaced, the IP-PBX server informs the SIP controller that it is back online and either the SIP controller or the IP-PBX server then informs the DNS server that the IP-PBX server will again be handling the call requests for the IP-PBX server. | 2008-10-30 |
20080267063 | Method and apparatus for multi-user scheduling for interference avoidance in adaptive beamforming systems - A method and apparatus of imparting coverage gain to cell-edge or cusp mobile subscribers without resort to diluted frequency reuse factors is disclosed. Each base station adopts a priori a beam illumination sequence designed to minimize or obviate the likelihood of beam clashes in a narrow beam adaptive beamforming system. Such sequences may be optimized to impact primarily cell-edge subscribers or subscribers within cusp areas of adjoining beams or sectors. The inventive protocols may be applicable to fixed multibeam systems as well as individual steered beam and spatial null generation antenna systems. | 2008-10-30 |
20080267064 | Communications System and Method for Load Management - A communications system comprising a target node and at least one source node arranged for communication of messages there between; in which the target node comprises means for processing at least some of the messages received from the at least one source node and means for detecting the processing load of the target node; in which the target node comprises means for notifying the at least one source node when a specific processing load level has been reached or exceeded; and in which each source node comprises means for reducing, responsive to the notification, the rate at which messages are sent to the target node. | 2008-10-30 |
20080267065 | STRUCTURE FOR A MULTI-SCALE NETWORK TRAFFIC GENERATOR - A design structure embodied in a machine readable storage medium for at least one of designing, manufacturing, and testing a design is provided. The design structure includes a network traffic generation system. The system can include a Markov modified Poisson process (MMPP) model, a packet scheduler coupled to the MMP model, a data store of transition windows defined for different defined scales, traffic generation parameter computing logic comprising program code enabled to compute traffic generation parameters for different scales according to respective states identified within different transition windows in the data store for the different scales, and a packet transmitter coupled to the packet scheduler. | 2008-10-30 |
20080267066 | Remote Direct Memory Access - Methods, parallel computers, and computer program products are disclosed for remote direct memory access. Embodiments include transmitting, from an origin DMA engine on an origin compute node to a plurality target DMA engines on target compute nodes, a request to send message, the request to send message specifying a data to be transferred from the origin DMA engine to data storage on each target compute node; receiving, by each target DMA engine on each target compute node, the request to send message; preparing, by each target DMA engine, to store data according to the data storage reference and the data length, including assigning a base storage address for the data storage reference; sending, by one or more of the target DMA engines, an acknowledgment message acknowledging that all the target DMA engines are prepared to receive a data transmission from the origin DMA engine; receiving, by the origin DMA engine, the acknowledgement message from the one or more of the target DMA engines; and transferring, by the origin DMA engine, data to data storage on each of the target compute nodes according to the data storage reference using a single direct put operation. | 2008-10-30 |
20080267067 | CONTROLLING THE FLOW OF DATA UPDATES BETWEEN A RECEIVING STATION AND A SENDING STATION - Methods and systems for controlling the flow of data updates between a receiving station and a sending station are described herein. At least some illustrative embodiments comprise a method that comprises determining (by a sending station) whether a trigger event has occurred, and transmitting a data update to a receiving station if the trigger event occurred and if a time elapsed since a transmission time of a previous data update exceeds a minimum threshold time period. | 2008-10-30 |
20080267068 | Lightweight bandwidth-management scheme for elastic traffic - A lightweight probabilistic mechanism used to estimate the number of active flows, which estimate is used to determine the probability of admitting a new flow into the network. In one embodiment, a method for controlling admission of new flows at a node in a network of nodes interconnected by links includes: (a) for each of a plurality of incoming packets arriving at the node, each incoming packet corresponding to an active flow traversing the node: (a1) randomly selecting a packet from an output buffer of the node; (a2) determining whether the incoming packet is from the same active flow as the randomly-selected packet; and (a3) updating an estimate of the number of active flows traversing the node based on the determination of step (a2); and (b) determining whether to admit or drop part or all of a new flow at the node based on the estimated number of active flows traversing the node. | 2008-10-30 |
20080267069 | Method for signal adjustment through latency control - Various embodiments of a method for signal adjustment through control of latency are disclosed. | 2008-10-30 |
20080267070 | System and program storage device for controlling data packet flows by manipulating data packets according to an actual manipulation rate - A network device and a computer program element are introduced for controlling data packet flows in a network device by manipulating data packets according to an actual manipulation rate. Amongst data packets received by a network device such as a router, data packets are identified that are marked with a pattern according to a congestion notification scheme. A pattern rate of data packets comprising such a pattern is determined, and the actual manipulation rate is determined subject to the pattern rate. | 2008-10-30 |
20080267071 | Method of choosing nodes in a multi-network - Embodiments include methods, apparatus, and systems for choosing nodes in a multi-network. One embodiment includes a method that receives demand characteristics for nodes to form a cluster in multi-network and collapses groups of nodes in the multi-network to form a node group. The method then selects nodes that satisfy the demand characteristics in order to form the cluster. | 2008-10-30 |
20080267072 | Data Communications Network for the Management of an Ethernet Transport Network - A communications network comprising a plurality of nodes supporting connection-oriented traffic and connectionless traffic, wherein management traffic between the nodes is propagated as connectionless traffic having a common management identifier. Also disclosed is a communications network component comprising logic that supports connection-oriented traffic and Virtual Local Area Network (VLAN)-based connectionless traffic, wherein the logic propagates management messages as VLAN-based connectionless traffic having a unique VLAN identifier (VID). Included is a communications network component comprising at least one processor configured to implement a method comprising provisioning a unique VID for management messages, and selectively propagating management messages with the unique VID. | 2008-10-30 |
20080267073 | Method and System for Ethernet Congestion Management - Certain aspects of a method and system for Ethernet congestion management may include transmitting one or more data packets in a network flow from a source node to a destination node. The source node may be enabled to receive one or more congestion notification frames based on detecting congestion at one or more switches in the network flow. A probe packet comprising a departure timestamp, Ts, may be transmitted from the source node to the destination node based on receiving one or more congestion notification frames. The arrival rate, Ra, of one or more data packets at the destination node may be calculated based on an arrival timestamp, Ta, inserted into the probe packet at the destination node. A rate limiter at the source node may be enabled to limit a rate of one or more data packets based on the calculated arrival rate, Ra. | 2008-10-30 |
20080267074 | METHOD OF SETING QoS PACKET FLOW AND HANDLING QoS PACKET IN PACKET SWITCHING SYSTEM - Provided is a method of setting a QoS packet flow and processing a QoS packet for providing a QoS service. In the method of setting a QoS packet flow in the packet switching system, whether there are VOQs that are not pre-allocated is determined in response to a QoS packet flow setting request. If there are no VOQs that are not pre-allocated, it is determined whether there are VOQs that have not been used for a predetermined period. If there are VOQs that have not been used for the predetermined period, one of the VOQs is selected. Thereafter, an inactive state of a flow using the selected VOQ is indicated and QoS parameters set for the flow are released. Therefore, metro Ethernet services such as E-LINE and E-LAN can be provided in an Ethernet network and custom QoS services such as Diff Serv and ACL can be provided in an IP network. Also, limited resources can be efficiently used and thus costs can be reduced. | 2008-10-30 |
20080267075 | SYSTEM FOR MONITORING OPERATIONS OF AN ENUM SYSTEM - A system for monitoring operations of a Telephone Number Mapping (ENUM) system is disclosed. A system that incorporates teachings of the present disclosure may include, for example, an ENUM system having a controller element to monitor queries received from one or more network elements, detect one or more faults in the queries submitted by at least one among the one or more network elements, and prevent the at least one of the one or more network elements from submitting subsequent queries to the ENUM system. Additional embodiments are disclosed. | 2008-10-30 |
20080267076 | SYSTEM AND APPARATUS FOR MAINTAINING A COMMUNICATION SYSTEM - A system and apparatus for maintaining a communication system is disclosed. An apparatus that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium in a maintenance server of a communication system, comprising computer instructions for monitoring for installed components in interconnected Digital Subscriber Line (DSL) networks of the communication system based at least in part on provisioning records for each of the interconnected DSL networks, filtering telemetry and maintenance data associated with the installed components in the interconnected DSL networks according to criteria comprising actual criteria and predictive criteria, monitoring for a fault in the installed components based at least in part on the telemetry and maintenance data associated with the actual criteria, and predicting a potential fault in the installed components based at least in part on the telemetry and maintenance data associated with the predictive criteria. Additional embodiments are disclosed. | 2008-10-30 |
20080267077 | Real-Time Internet Error Correction - A real-time internet error correction method includes a transmitter side of a real-time internet connection adjusting it's transmitting speed periodically according to the real-time average internet error rate detected at a receiver side to reduce the quantity of packet loss. When the error rate received at transmitter side is greater than the standard set by the user, the transmitter side will automatically reduce its transmitting speed until the error rate once again fall below the standard. As a result, the method can prevent the situation when the real-time internet connection has high error rate, the transmitter side still send packets at full speed which will only result in more packet loss. Furthermore, the present invention further discloses an algorithm which can more precisely calculate the average real-time internet connection error rate. | 2008-10-30 |
20080267078 | Multicast fast reroute - A method and apparatus for fast reroute of multicast data are disclosed. In one embodiment, a method includes transmitting a multicast join message from a receiver towards a source on a primary path and transmitting an alternate multicast join message from the receiver towards the source on a backup path. Data packets are then received from the primary and backup paths. The method further includes operating in a first mode wherein the data packets received from the primary path are accepted and the data packets received from the backup path are dropped, and switching to a second mode wherein the data packets received from the backup path are accepted, upon detecting a failure in the primary path. | 2008-10-30 |
20080267079 | Network-wide clear channel assessment threshold - Overall network throughput may be increased in a wireless network through a common network-wide clear channel assessment (CCA) threshold. Each access point performs measurements, and determines suitable CCA thresholds and throughput estimates for each data rate. Results are reported to a central controller that determines the network-wide CCA threshold. The network-wide CCA threshold is then used by all access points and mobile stations. | 2008-10-30 |
20080267080 | Fault Verification for an Unpaired Unidirectional Switched-Path - A communications network comprises a first node and a second node. The communications network further comprises an unpaired switched-path between the first and second nodes. Connectivity of the unpaired switched-path is tested by the first node transmitting a probe message along the unpaired switched-path and waiting to receive a probe message response as connectionless traffic from the second node. Also disclosed is a communications network component comprising logic that selectively verifies connectivity of a unidirectional communication path based on a probe message transmitted as connection-oriented traffic along the unidirectional communication path and a time limit in which to receive a probe message response as connectionless traffic. Also disclosed is a communications network component comprising at least one processor configured to implement a method. The method comprises selectively transmitting a probe message along a unidirectional connection-oriented path and waiting to receive a virtual local area network (VLAN)-based probe message response. | 2008-10-30 |
20080267081 | LINK LAYER LOOP DETECTION METHOD AND APPARATUS - In one embodiment, a method includes receiving an indicator that an packet has been received at a physical port of a bridge device within a network. The method also includes determining, in response to the indicator and based on a source address value associated with the packet, that an identifier of the physical port is not associated within a filter database with the source address value. A packet counter value associated with the physical port is changed in response to the determining. | 2008-10-30 |
20080267082 | Signaling Monitoring System, Signaling Network And Signaling Monitoring Method - A signaling monitoring system includes a signaling network node device having an IP interface, a signaling network monitoring device having an IP interface and an network, in which the signaling network node device and the signaling network monitoring device are connected to the IP network via the IP interface, respectively; the signaling network node device sends signaling messages to the signaling network monitoring device via the IP network; the signaling network monitoring device analyzes the received signaling messages and obtains the monitoring information. The disclosure also discloses a signaling network and a signaling network monitoring method. While the monitoring function is implemented, the transmission resource is saved. | 2008-10-30 |
20080267083 | Automatic Discovery Of Service/Host Dependencies In Computer Networks - An activity model is generated at a computer. The activity model may be generated by monitoring incoming and outgoing channels for packets for a predetermined window of time. To generate an activity model, an input and an output channel are selected. A probability distribution function describing the observed waiting time between packet arrivals on the selected input channel and the selected output channel is generated by mining the data collected during the selected window of time. A probability distribution function describing the observed waiting time between a randomly chosen instant and receiving a packet on the selected input channel is also generated. The distance between the two generated probability distribution functions is computed. If the computed distance is greater than a predefined confidence level, then the two selected channels are deemed to be related. Otherwise, the selected channels are deemed to be unrelated. The activity model is further generated by comparing each input and output channel pair entering or leaving a particular computer. | 2008-10-30 |
20080267084 | Voice quality measurement for voice over IP in a wireless local area network - In one exemplary embodiment, voice quality of Voice over IP data in a wireless network is measured by first receiving at a detector in the wireless network a set of wireless frames transmitted between a first wireless device and a second wireless device in the wireless network in a predetermined time period. The wireless frames in the set carry Voice over Internet Protocol data. A rating value indicative of voice quality is determined based on the loss rate and burst rate that are determined only using frames received by the detection during monitoring. | 2008-10-30 |
20080267085 | Method for Generating /Changing Transport Connection Identifier in Portable Internet Network and Portable Subscriber Station Therefor - The present invention relates to a method for generating/changing a transport connection identifier (CID) in a portable Internet System, and a terminal using the same. Accordingly, the present invention provides a terminal including a packet detecting unit, a user input/output unit, a CID managing unit, and a data storing unit. The packet detecting unit determines whether a packet can be classified by a pre-established packet classification rule or a packet cannot be classified by the rules ( | 2008-10-30 |
20080267086 | ESTIMATION OF THERMAL NOISE AND RISE-OVER-THERMAL IN A WIRELESS COMMUNICATION SYSTEM - Techniques for estimating thermal noise and rise-over-thermal (RoT) in a communication system are described. In an aspect, thermal noise in a sideband may be measured and used to estimate thermal noise in a signal band. In one design, received power in the sideband may be measured, e.g., by computing total power of FFT transform coefficients within the sideband. Thermal noise may be estimated based on (e.g., by filtering) the measured received power in the sideband. Received power in the signal band may also be measured. Total received power may be estimated based on (e.g., by filtering) the measured received power in the signal band. RoT may then be estimated based on the estimated thermal noise and the estimated total received power. The estimated RoT may be used to estimate an available load for a cell, which may be used to admit and/or schedule users in the cell. | 2008-10-30 |
20080267087 | GATEWAY WITH IMPROVED QoS AWARENESS - A device and method for exchanging data frames are disclosed. In one aspect, the device exchanges data between a WAN and one or more LAN segments in an optimized way leading to a better quality of experience for the user. The device comprises an interface exchanging data frames over an access network, at least a first and second subnet interface exchanging data frames and arranged for being coupled to a network, a memory storing classification rules, a classification agent extracting information from an incoming data frame and applying the rules to the extracted information to determine the interface via which the incoming data frame is to be forwarded, and a Quality of Service monitoring agent for retrieving Quality of Service information from the subnet interfaces and dynamically updating the classification rules according to the QoS information. | 2008-10-30 |
20080267088 | Optimal Path Selection for Accessing Networked Applications - An efficient and user-friendly application service access method utilizing network dynamic conditions and application traffic requirements. This method allows applications to register their servers' location information and traffic requirements with the network and provides an optimal connection to application service without specifying an application server location for an end user and based on network conditions and application requirements. | 2008-10-30 |
20080267089 | Passive Optical Network Topology Estimation - An apparatus comprising an optical line terminal (OLT) in communication with a plurality of optical network terminals (ONTs) via an optical distribution network (ODN), and a passive optical network (PON) topology estimator coupled to the OLT or at least one of the ONTs, wherein the PON topology estimator is configured to model a PON topology. Also disclosed is an apparatus comprising at least one processor configured to implement a method comprising defining a PON topology comprising a plurality of network parameters, a plurality of component parameters, and at least one relationship between the network parameters and the component parameters, acquiring values for the network parameters, and determining the component parameters using the network parameters and the mathematical equations. | 2008-10-30 |
20080267090 | Management computer for setting configuration information of node - Provided is a management computer which reduces the workload of an administrator of a network in setting node when the normal network is changed to a network with redundancy. The management computer manages a plurality of nodes that constitute a network accommodating VLANs. The plurality of nodes include a first node and a second node which make a redundancy pair and which divides the network into an active path and a standby path. The management computer stores port management information showing connection relations for respective nodes and identifiers of VLANs allocated to ports of the nodes, and creates the redundancy pair by updating the port management information of the first node such that a VLAN allocated to one of ports of a connected node that is connected to the first node is allocated to one of ports of the first node that is connected to the connected node. | 2008-10-30 |
20080267091 | SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR SERVICE AND APPLICATION CONFIGURATION IN A NETWORK DEVICE - A method is provided that includes accessing information associated with at least one service or application in a social network. The method also includes detecting at least one event relating to the information associated with the at least one service or application within the social network and modifying the information associated with the at least one service or application in response to the at least one event. | 2008-10-30 |
20080267092 | Method and Apparatus for Maintaining Continuous Connections for Audio/Visual Communications - A method and apparatus is provided for maintaining a continuous connection for the instantaneous transmission of audio/visual content between end points on a packet-based network. After a communication link is initially established between two end points connected to the network, the communication link is maintained on a continuous basis so that audio/visual content can be instantaneously transmitted from a source end point to a destination end point or end points when a user desires to communicate with the destination end point. The communication link is continuously maintained by various methods including across the packet-based network by transmitting signaling information between the end points that signifies that the communication link should be kept open and alive. | 2008-10-30 |
20080267093 | METHOD AND APPARATUS FOR CONFERENCING - A method and apparatus is provided for conferencing a plurality of users of a communication system. The method includes the steps of detecting a plurality of electronic messages directed to a common subject matter among the plurality of users, comparing a frequency of the detected messages among the plurality of users during a time period with a threshold value and setting up an electronic conference among the plurality of users when the frequency of messages exceeds the threshold value. | 2008-10-30 |
20080267094 | Method and apparatus for distributed conferences - A method and apparatus for enabling an event such as a telecollaboration or conference event in a communication network. The apparatus is tree-structured, and comprises a main site and one or more descendent sites, each site comprising one or more servers. Each site is a parent site, a descendent site, or both. Two sites may be connected via a dedicated or controlled connection. The apparatus further comprises client devices, each client device connecting to one site. The method of the disclosed invention comprises passing information between a client device and a server or between two servers exactly once. The information is propagated by each server to all the components connected to the server, i.e. the parent site if any, descendent sites if any, and client devices if any, excluding the component from which the server received the information. | 2008-10-30 |
20080267095 | Breakout rooms in a distributed conferencing environment - Architecture that facilitates management and control of sidebar sessions (or breakout rooms) in a distributed conferencing environment. Distributed frontends (or MCUs) are provided for multi-party access into a main conferencing session. In one implementation, the main session can then be partitioned to provide one or more sidebar sessions for side conferencing. The sidebar sessions can all be contained on a single MCU or distributed across multiple MCUs. The leader of the main session can then freely roam among the sidebar sessions of a single MCU or among the sessions on the distributed MCUs. The protocol can be SIP-based, and also or alternatively use C3P commands for creating (or adding) a sidebar session, modifying the sidebar, moving users to and from a sidebar, and deleting the sidebar session. | 2008-10-30 |
20080267096 | Tunnel Device, Relay Device, Terminal Device, Call Control System, Ip Telephone System, Conference Device, and Their Control Method and Program - In a call between terminals in different FWs, tunnel devices T | 2008-10-30 |
20080267097 | Method and Arrangement for Improved Feeder Sharing in a Telecommunication System - A filter arrangement (EFM) comprises a first terminal (T | 2008-10-30 |
20080267098 | MIMO SYSTEM WITH MULTIPLE SPATIAL MULTIPLEXING MODES - A MIMO system supports multiple spatial multiplexing modes for improved performance and greater flexibility. These modes may include (1) a single-user steered mode that transmits multiple data streams on orthogonal spatial channels to a single receiver, (2) a single-user non-steered mode that transmits multiple data streams from multiple antennas to a single receiver without spatial processing at a transmitter, (3) a multi-user steered mode that transmits multiple data streams simultaneously to multiple receivers with spatial processing at a transmitter, and (4) a multi-user non-steered mode that transmits multiple data streams from multiple antennas (co-located or non co-located) without spatial processing at the transmitter(s) to receiver(s) having multiple antennas. For each set of user terminal(s) selected for data transmission on the downlink and/or uplink, a spatial multiplexing mode is selected for the user terminal set from among the multiple spatial multiplexing modes supported by the system. | 2008-10-30 |
20080267099 | SERVICE PROVISION AT A NETWORK ACCESS POINT - A system for providing one or more services at a network access point is described. The system comprises a controller, a wireless interface coupled with the controller, a network interface coupled with the controller, at least one of an internal interface coupled with the controller and an external interface coupled with the controller, and at least one of one or more internal modules coupled with the internal interface and one or more external modules coupled with the external interface. | 2008-10-30 |
20080267100 | Data block cluster processing in a wireless device - A wireless device includes a case, user interface, an antenna, first processing resources, and second processing resources. The first processing resources couple to the antenna and to the second processing resources and receive and operate upon a data signal transmitted by a transmitting wireless device. In its processing operations, the first processing resources produces decoded data blocks and writes the decoded data blocks to a data buffer. When a processing resource threshold is met with regard to the plurality of decoded data blocks, the first processing resources issue a service processing interrupt to the second processing resources. In response to the service processing interrupt, the second processing resources retrieve the plurality of decoded data blocks from the data buffer in response to the service processing interrupt and process the plurality of decoded data blocks. | 2008-10-30 |
20080267101 | Universal Browser - A method, a computer readable medium and a system for universal browsing that comprises, sending a request for a service by a mobile terminal to a service portal, determining a protocol needed to fulfill the request by the service portal, if the protocol needed is resident on the mobile terminal, determining a sensor that can fulfill the request, sending the request by the service portal to the sensor, establishing a connection between the mobile terminal and the sensor, and sending a response to the request to the mobile terminal via the connection. | 2008-10-30 |
20080267102 | SYSTEM AND METHOD FOR IMPROVING SYMMETRY IN DATA TRANSFER IN LLC LAYER OF PEER TO PEER NFC DEVICE - A data transmission/reception method in Near Field Communications (NFC) for improving data throughput is provided. Communications between a first NFC device and a second NFC device which perform NFC includes (a) transmitting, by the first NFC device, a data frame to the second NFC device, (b) setting, by the second NFC device, an indication of presence or absence of more-data in a bit of a Logical Link Control (LLC) information frame and transmitting the LLC information frame as a response frame responding to the data frame transmitted from the first NFC device, and (c) checking, by the first NFC device, the bit of the response frame and waiting for predetermined time or immediately transmitting a next transmission data bit without waiting for the predetermined time according to the check result. | 2008-10-30 |
20080267103 | ALWAYS-ON WIRELESS INTERNET PROTOCOL COMMUNICATION - In accordance with the teachings described herein, systems and methods are provided for always-on wireless IP communication. An access provider network (APN) that includes an always-on packet data serving node (PDSN) may be used to communicate over a wireless communication link with a mobile station. The PDSN may include an inactivity timer and may be used to set the inactivity timer to an inactivity timer starting value and send a starting value estimate to the mobile station over the wireless communication link, wherein the starting value estimate is a function of the inactivity timer starting value. The mobile station may include an inactivity timer estimate and may be used to receive the starting value estimate and set the inactivity timer estimate to the starting value estimate. The mobile station may also be used to reset the inactivity timer estimate to the starting value estimate when the mobile station communicates with the APN. | 2008-10-30 |
20080267104 | Method and Apparatus for Transmitting Data - ABSTRACT A method for transmitting data includes: acquiring a Multicast and Broadcast Service Mapping Information Element (MBS_MAP_IE) and MBS data corresponding to the MBS_MAP_IE; wherein the MBS_MAP_IE carries a parameter for indicating the frame position of the next MBS MAP_IE; setting a sleep duration according to the parameter for indicating the frame position of the next MBS_MAP_IE and acquiring the next MBS_MAP_IE and MBS data corresponding to the next MBS_MAP_IE when the sleep duration expires. By applying the present invention, it is unnecessary for a mobile terminal to receive an MBS mapping message, so that the sleep duration of the mobile terminal is increased and thus the power consumption of the mobile terminal is reduced. | 2008-10-30 |
20080267105 | ACTIVE MODE DISCONTINUOUS RECEPTION SYNCHRONIZATION AND RESYNCHRONIZATION OPERATION - A method and apparatus for active mode discontinuous reception (DRX) synchronization and resynchronization operation are disclosed. A first entity sends a DRX indicator to a second entity. The first and second entities synchronize and resynchronize DRX operation based on the DRX indicator. | 2008-10-30 |
20080267106 | Apparatus and method for practical and efficient broadcast in mobile ad hoc networks - The present invention demonstrates how network-coding can be applied to a deterministic broadcast approach, resulting in significant reductions in the number of transmissions in the network. We propose two algorithms, that rely only on local two-hop topology information and make extensive use of opportunistic listening to reduce the number of transmissions: 1) a simple XOR-based coding algorithm and 2) a Reed-Solomon based coding algorithm that determines the optimal coding gain achievable for a coding algorithm that relies only on local information. | 2008-10-30 |
20080267107 | ATTRACTION WAIT-TIME INQUIRY APPARATUS, SYSTEM AND METHOD - Methods and apparatus are disclosed that enables a plurality of users of portable computing devices to each individually request and receive wait-time indications for each of a plurality of attractions within a physical establishment. In certain embodiments the attractions are rides and the physical establishments are amusement parks. In this way, users of portable computing device, such as mobile phones, may individually request and receive wait-time indications for each of a plurality of rides within at least one of a plurality of amusement parks. The methods and apparatus may be configured to maintain and access a database of wait-time values for a plurality of attractions within one or more physical establishments. In certain embodiments, request messages are received as SMS text messages from mobile phone and response messages are sent as SMS text messages to mobile phones. | 2008-10-30 |
20080267108 | MULTIUSER SCHEDULING FOR MIMO BROADCAST CHANNELS WITH FINITE RATE FEEDBACK - System and methodologies are provided herein for multiuser scheduling in a multiple-input multiple-output (MIMO) communication system. Various aspects described herein facilitate full feedback scheduling, wherein multiuser scheduling is performed based on an antenna selection and signal quality feedback, such as signal-to-interference-plus-noise ratio (SINR) feedback, from respective users. Based on information received from respective users, independent information streams can be transmitted from respective transmit antennas to respective users with the highest signal quality. Receive antenna selection can also be employed to allow respective users to select a single receive antenna on which information is to be received. Additional aspects described herein facilitate quantized feedback scheduling, wherein scheduling is performed based on signal quality feedback that is quantized into a finite number of bits by respective users. | 2008-10-30 |
20080267109 | METHOD AND APPARATUS OF RESOURCE MANAGEMENT FOR MULTIMEDIA BROADCAST MULTICAST SERVICES - A method and apparatus of resource management for multimedia broadcast multicast services (MBMS) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report and an MBMS reception performance report to a network. Single frequency network (SFN) area change may be made based on cell reselection information, WTRU macro-diversity MBMS reception performance, neighbor cell signal strength reported by a WTRU, interference level measured by the WTRU, a number of WTRUs in a cell, service priority, WTRU class, WTRU mobility trend, WTRU location to a cell center, WTRU MBMS reception interference level, etc. The MBMS service on/off decision and/or point-to-point (PTP) to point-to-multipoint (PTM) switching may be made based on a channel condition of a WTRU. The channel condition may be determined based on whether the WTRU is in in-sync or out-of-sync in MBMS reception, consecutive negative acknowledgements (NAKs) within a certain time window, measured pathloss from a reference channel, etc. | 2008-10-30 |
20080267110 | Signaling for Multi-Hop Relay in Wireless Communication Systems - Systems and techniques for signaling between a subordinate base station and a superordinate base station in a wireless network with wireless relay stations to inform the superordinate base station of a failure in establishing an uplink related to the subordinate base station and scheduling wireless resource allocation between a base station and one or more relay stations. | 2008-10-30 |
20080267111 | Data Transmitting Method in Wireless Communication System - In a method for transmitting data from a first node to a second node through first and second relay units in a wireless communication system: a) a first symbol is transmitted from the first node to the second node and the first relay unit during a first time slot section; b) the first symbol, which is received from the first node, is transmitted from the first relay unit to the second node during a second time slot section; c) a second symbol is transmitted from the first node to the second node and the second relay unit during the second time slot section; and d) the second symbol, which is received from the first node, is transmitted from the second relay unit to the second node during a third time slot section. | 2008-10-30 |
20080267112 | DEVICE FOR REPEATING RF SIGNALS THROUGH ELECTROMAGNETIC COUPLING - A device is intended to repeat radiofrequency signals that must be exchanged between a station of a radio communication network and a communication terminal located within a space enclosed by walls. This device comprises an external repeater intended to be placed on the outer surface of a wall and comprising first electromagnetic coupling means coupled to first RF signal transmitting and/or receiving means, and an internal repeater intended to be placed on the inner surface of that same wall substantially facing the external repeater and comprising second electromagnetic coupling means coupled to second RF signal transmitting and/or receiving means. The first and second electromagnetic coupling means are configured so as to transfer, over waves, and through the wall, RF signals originating respectively from the first and second RF signal transmitting and/or receiving means. | 2008-10-30 |
20080267113 | RS-BASED NETWORK TRANSMISSION METHOD - A Relay System (RS)-based cellular network transmission method for MT having a function of single input and single output is provided. The method includes transmitting broadcast information to all RSs and Mobile Terminals (MTs); transmitting required data to each RS in an Orthogonal Frequency Division Multiplexing (OFDM) mode; performing the operations of selection of modulation scheme, addition of CP, addition of symbols for channel estimation and selection of OFDM symbols; feeding feedback information to the Base Station (BS); transmitting a synchronization request to the BS; transmitting a synchronization acknowledgement to the RS; transmitting information to each MT belonging to the BS; transmitting information to each MT belonging to the RS; the MT belonging to the BS transmitting ACK/NACK information to the BS; the MT belonging to the RS transmitting ACK/NACK information to the BS; and the BS informing the RS of the received ACK/NACK information. | 2008-10-30 |
20080267114 | HOME (e)NODE-B WITH NEW FUNCTIONALITY - A wireless communication device is configured as an in-home node-B (H(e)NB). The H(e)NB is configured to perform a locking function to control modification of carrier and user controlled parameters, and also configured to detect a change in location. | 2008-10-30 |
20080267115 | SYSTEM AND METHOD FOR UPDATING UATI OF AN ACCESS TERMINAL - A system for communication of an access terminal in a wireless network having a plurality of subnets. The system determines, based upon movement of the access terminal in a dormant state between subnets, and upon ColorCode and SecondaryColorCode values of each subnet, whether or not the access terminal should immediately initiate a Unicast Access Terminal Identifier (UATI) update request, or delay the Unicast Access Terminal Identifier (UATI) update. | 2008-10-30 |
20080267116 | Routing method and system for a wireless network - A method and system for selecting a route in a wireless network for the transmission of a data packet between wireless nodes in said network using a modified link-state routing algorithm wherein only a limited number of broadcast messages are generated to synchronize the link-state database throughout the wireless network. A subset of nodes called portal nodes within the network are elected to do the broadcasting for the entire network. Each portal node broadcasts an announcement of its identity to all of the wireless nodes. Each wireless node responds to these broadcasts to select one of the portal nodes as its root portal node. It then identifies a unicast route back to its root portal node, and sends a link-state register message to this portal node. These link-state register messages received by each portal node are aggregated by them and are broadcast to each of the wireless nodes for storage. When a data packet is thereafter received by a wireless node from a neighboring node, it detects if the data packet satisfies one of a plurality of predetermined conditions and rebroadcasts the data packet to neighboring wireless nodes if none of the conditions is satisfied. | 2008-10-30 |
20080267117 | METHOD AND SYSTEM FOR LINKING TO CONTENT AND SERVICES FOR A COMMUNICATION DEVICE - Embodiments for a system and method for providing a user with access via a mobile terminal to content and services, provided by content and service providers, using a communication network are described. The mobile terminal can be a mobile phone terminal, a personal digital assistant (PDA), tablet or portable computer having a screen, a processor adapted to run one or more software applications, an input interface, and wireless communication functions adapted to connect the mobile terminal to the communication network. A user selects a selectable item displayed on the screen using the user interface. The selection of the selectable item activates a software application which composes a data packet having a format for sending to the associated content or service provider where the packet is processed and the action taken. | 2008-10-30 |
20080267118 | Uplink Scheduling and Resource Allocation With Fast Indication - Systems and methods for signalling transitions between talk-spurt state and silence state for wireless terminals having semi-persistently allocated uplink resources are employed. A layer ½ indication of the state transitions may be transmitted using a resource that is specifically allocated for that purpose. Alternatively, ACK/NACK signalling may be employed. Layer | 2008-10-30 |
20080267119 | SYSTEMS AND METHODS FOR ASSIGNING REFERENCE SIGNALS USING A GENETIC ALGORITHM - A method for assigning reference signal sequences for communication devices using a genetic algorithm is described. Reference signal sequences are assigned to each cell within a plurality of cells. A fitness function for each reference signal sequence is computed. The fitness function describes the effectiveness of the assignment. A first group of cells is selected to exchange their corresponding assignment information with assignment information corresponding to a second group of cells. The reference signal is assigned to a communications device within the area of one of the plurality of cells. | 2008-10-30 |
20080267120 | Location Services for Unlicensed Mobile Access - There- is disclosed an unlicensed mobile access network ( | 2008-10-30 |
20080267121 | NODE DEVICE AND METHOD FOR BEACON SCHEDULING IN AD-HOC NETWORK AND DATA TRANSMITTING METHOD THEREOF - Provided are a device of a node and method for beacon scheduling in an ad-hoc network and a data transmitting method thereof, which reduce power consumptions of nodes in an ad-hoc network when data communications between the nodes occur frequently. A beacon transmitting node checks its residual power. If the residual power is lower than a predetermined level, the beacon transmitting node notifies a plan to change its beacon cycle to other nodes. Thereafter, the beacon transmitting node increases the beacon cycle and transmits a beacon at the increased beacon cycles. Consequently, the beacon transmitting node can change its beacon cycle dynamically according to its power condition. Thus, the life span of the node can be increased. Therefore, it is possible to reduce an overhead of reconstructing a sensor network. | 2008-10-30 |
20080267122 | METHOD AND APPARATUS FOR MAPPING/DEMAPPING MODULATION SYMBOLS IN A MOBILE COMMUNICATION SYSTEM - A method for mapping wireless resources of reference symbols for channel state estimation and modulation symbols for user information transmission in a transmitter of an Orthogonal Frequency Division Multiplexing (OFDM) mobile communication system is disclosed. The mapping method includes channel-encoding and modulating a user information stream to be transmitted, and then generating a systematic symbol stream and a parity symbol stream; and preferentially arranging systematic modulation symbols in resource elements of a symbol including no reference symbol, and then arranging parity modulation symbols in remaining resource elements. | 2008-10-30 |
20080267123 | PACKET SWITCHED CONNECTIONS USING DEDICATED CHANNELS - A temporary (temp) dedicated channel (DCH) is used to support communications. The temp-DCH channel is a channel that is assigned to a user having a set duration. After the duration expires, the channel is automatically released to the user. Embodiments of the invention relate to establishing the temp-DCH channel, determining the data rate and duration of the channel. Other embodiments relate to establishing back-to-back temp-DCH channels and the implementation details of these embodiments. Additionally, one embodiment relates to adding a start/stop function to the medium access controller which can be used in conjunction with temp-DCH as well as other applications. | 2008-10-30 |
20080267124 | METHOD AND SYSTEM FOR CREATING AND DEPLOYING A MESH NETWORK - A method and system for creating and deploying a mesh network are disclosed. In one embodiment, the method comprises providing a mesh router having a plurality of radios. The mesh router is used in a cell of a plurality of cells that covers a geographic region. Channels are assigned to the plurality of radios. The channels are selected from a plurality of channels to allow channel reuse throughout the plurality of cells. | 2008-10-30 |
20080267125 | BI-DIRECTIONAL AND REVERSE DIRECTIONAL RESOURCE RESERVATION SETUP PROTOCOL - A wireless user equipment (UE) configured to initiate a packet based session includes a reservation setup protocol (RSVP) message generator configured to transmit a RSVP PATH message. The RSVP PATH message includes a direction indication. The direction indicator indicates that reservations should be made for the UE to transmit only, to receive only or to both transmit and receive. The UE also includes an RSVP message receiver configured to receive an RSVP RESV message indicating that reservations have been made as a result of the RSVP PATH message. | 2008-10-30 |
20080267126 | Random Access Channel Hopping for Frequency Division Multiplexing Access Systems - A method of coordinating resources for repetition of random access bursts performed by a mobile terminal, the method comprising: determining groups of access slots based on parameters from a network, wherein each access slot is defined by any combination of frequency, time and code, and the access slots are organized according to a frequency pattern; transmitting an access burst on an access slot from a chosen group of access slots; and re-transmitting the access burst on the next access slot from the chosen group of access slots. | 2008-10-30 |
20080267127 | METHOD AND APPARATUS FOR HANDOVER IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for handover in a wireless communication system. A handover indication can be received from a source base station ( | 2008-10-30 |
20080267128 | Handover from E-UTRAN to UTRAN/GERAN CS - The present invention relates to a method for a handover of a UE (User Equipment) currently engaged in a voice call. More particularly, the invention relates to a handover from 1) a packet based radio where Voice Service is provided via VoIP over the radio and is controlled via Session Initiation Protocol (SIP) based signalling (e.g. LTE, E-UTRAN or WIMAX radio) to 2) a radio access network where Voice Service can be only provided via circuit switched (CS) domain (a visited mobile switching centre (VMSC) is needed) such as legacy 3GPP UMTS Terrestrial Radio Access Network (UTRAN)/GSM/Edge Radio Access Network (GERAN) coverage. A MSC-S entity acting as a Packet Core Control Node on a Packet Switched (PS) network and as an Anchor Visited Mobile Switching Centre (VMSC) for a handover to a Circuit Switched (CS) network on the CS domain side is proposed, the MSC-S preparing a new path with a remote UE-B and a CS domain handover towards a target legacy radio coverage before requesting a UE-A to execute the handover. | 2008-10-30 |
20080267129 | Uplink Cell Changes in a Mobile Communication Network - The present invention relates to a user equipment, UE, wirelessly connectable to a cellular mobile communication network adapted to perform uplink cell change of the UE from the first radio base station to a second radio base station. The UE comprises means for controlling the HARQ retransmissions and means for determining the time point for performing the cell change based on the controlled ongoing HARQ retransmissions of outstanding data. | 2008-10-30 |
20080267130 | HANDLING CELL RESELECTIONS AND STATE TRANSITIONS FOR HIGH-SPEED DOWNLINK PACKET ACCESS - A wireless transmit receive unit (WTRU) is configured to operate in an high speed data packet access (HSDPA) mode in a cell and/or state and to clear HSDPA resources when moving out of the cell and/or state. The WTRU is configured to clear HSDPA resources when conditions to perform high speed downlink shared channel reception are not met. | 2008-10-30 |
20080267131 | Pre-Synchronization Method for Hard Handovers in Wireless Networks - A pre-synchronization method in which the source cell chooses a signature for the user equipment (mobile) to use in the target cell for RACH access, and instructs the user equipment to perform RACH access and return to the current cell before a handover command (break command) is issued. This causes parallel execution of the UL synchronization process with the context transfer process among the two base stations. | 2008-10-30 |
20080267132 | METHOD AND APPARATUS FOR SELECTIVE EXAMINATION OF PPP PACKETS FOR RENEGOTIATION OF A PPP LINK ON A Um INTERFACE - A method and system that provides for efficient re-synchronization of a PPP link on a Um interface is provided. When the PPP link is connected, if an indication that the communications of the mobile station is associated with a new network server is detected, only the Um interface will undergo PPP configuration renegotiation. The method and system does not require the examination of all data packets for determining whether PPP configuration renegotiation is required. | 2008-10-30 |
20080267133 | MIMO WIRELESS COMMUNICATION SYSTEM, MIMO WIRELESS COMMUNICATION APPARATUSES, AND WIRELESS COMMUNICATION METHOD - When a plurality of user stations (STAs) simultaneously communicate with an access point (AP) through an SDMA (Space Division Multiple Access) channel in a MIMO wireless communication system, these STAs control their respective transmission signals such that each signal is received by only a different one of the plurality of antennas at the AP. (It should be noted that the number of these STAs is equal to or smaller than the number of antennas at the AP.) This eliminates the need for the AP to perform MIMO processing, thereby allowing the AP to properly receive and demodulate the signals even if they differ in carrier frequency and transmission timing, which would otherwise result in communication degradation or failure. | 2008-10-30 |
20080267134 | RANDOM ACCESS CHANNEL MESSAGE FORMAT FOR AN EXTENDED RANGE WIRELESS COMMUNICATION SYSTEM - The present invention provides a method for transmitting and receiving random access channel messages in an extended range wireless communication system. One embodiment of the method may include accumulating, at a base station, signal energy received during a first portion of a transmission time interval. The method may also include accumulating, at the base station, signal energy received during a second portion of the transmission time interval. The first and second portions are offset from the start or end of the transmission time interval by selected delay intervals. The method may further include detecting the message(s) based on the signal energy accumulated during the first and second portions of the transmission time interval. | 2008-10-30 |
20080267135 | Methods, base station, remote station and system for high speed downlink packet access (HSDPA) communication - A method for generating a high speed downlink packet access (HSDPA) communication comprises concatenating multiple data packets and attaching a header to the concatenated multiple data packets to form an extended multiplexed data packet. The header comprises an indication of a size of each of the multiple data packets. The extended multiplexed data packet is then transmitted to a remote station on a downlink channel. | 2008-10-30 |
20080267136 | Allocation of Access Slots to Mobile Stations in Order to Count the Number of Stations Interested in a Mbms (Multimedia Broadcast/Multicast Service) - A method of operating a radio network, such as UMTS or cdma2000, which comprises at least one primary station (PS), i.e. and access point or bare station, and a plurality of secondary stations (SSI, SS | 2008-10-30 |
20080267137 | COMPUTER GENERATED SEQUENCES FOR DOWNLINK AND UPLINK SIGNALS IN WIRELESS COMMUNICATION SYSTEMS - The present disclosure provides a base station transmitter, a user equipment transmitter and methods of operating the base station and user equipment transmitters. In one embodiment, the base station transmitter is for use with a cellular communication system and includes a synchronization unit configured to provide a randomly-generated constant amplitude zero autocorrelation (random-CAZAC) sequence corresponding to a downlink synchronization signal. Additionally, the base station transmitter also includes a transmit unit configured to transmit the downlink synchronization signal using the random-CAZAC sequence. In another embodiment, the user equipment transmitter is for use with a cellular communication system and includes a reference signal unit configured to provide a random-CAZAC sequence for an uplink reference signal corresponding to a one resource block allocation of the user equipment. The user equipment transmitter also includes a transmit unit configured to transmit the uplink reference signal using the random-CAZAC sequence. | 2008-10-30 |
20080267138 | MIMO SYSTEM WITH MULTIPLE SPATIAL MULTIPLEXING MODES - A MIMO system supports multiple spatial multiplexing modes for improved performance and greater flexibility. These modes may include (1) a single-user steered mode that transmits multiple data streams on orthogonal spatial channels to a single receiver, (2) a single-user non-steered mode that transmits multiple data streams from multiple antennas to a single receiver without spatial processing at a transmitter, (3) a multi-user steered mode that transmits multiple data streams simultaneously to multiple receivers with spatial processing at a transmitter, and (4) a multi-user non-steered mode that transmits multiple data streams from multiple antennas (co-located or non co-located) without spatial processing at the transmitter(s) to receiver(s) having multiple antennas. For each set of user terminal(s) selected for data transmission on the downlink and/or uplink, a spatial multiplexing mode is selected for the user terminal set from among the multiple spatial multiplexing modes supported by the system. | 2008-10-30 |
20080267139 | SYSTEM AND METHOD FOR EFFICIENTLY ALLOCATING WIRELESS RESOURCES - Dynamic resource allocation is performed by first generating a plurality of slot sequences. A figure of merit based on weighted interference signal code power (ISCP) and weighted resource units is then generated for each timeslot of each slot sequence. The timeslots within each slot sequence are then arranged in a decreasing figure of merit. The slot sequences are the processed to determine whether they can support the code to be transmitted. | 2008-10-30 |
20080267140 | Wireless Internet Terminal and Packet Transmission Method for Improving Quality of Service - Disclosed are a terminal of an OFDMA-TDMA wireless Internet system capable of reducing transmission delay time a packet transmission method. A MAC layer of the terminal is divided into a MAC software part and a MAC hardware part to control priorities of data packets at a high level and low level. The high level priority controller carries out various fine control operations according to a QoS policy and the low level priority controller performs mechanical control operations based on a predetermined simple fixed priority policy. | 2008-10-30 |