| Patent application number | Description | Published |
|---|
| 20080232395 | APPARATUSES AND METHODS FOR MULTI-ANTENNA CHANNEL QUALITY DATA ACQUISITION IN A BROADCAST/MULTICAST SERVICE NETWORK - Various methods and apparatuses provide unicast channel data acquisition, such as antenna information, from MBMS subframes. A method of operating a wireless communications network infrastructure entity is disclosed comprising transmitting a subframe ( | 09-25-2008 |
| 20080232396 | APPARATUSES AND METHODS FOR MULTI-ANTENNA CHANNEL QUALITY DATA ACQUISITION IN A BROADCAST/MULTICAST SERVICE NETWORK USING A MULTICAST SYMBOL - Various methods and apparatuses provide unicast channel data acquisition, such as antenna information, from MBMS subframes. A method of operating a wireless communications network infrastructure entity is disclosed comprising defining a subframe ( | 09-25-2008 |
| 20080279312 | APPARATUS AND METHODS FOR JOINTLY DECODING MESSAGES BASED ON APRIORI KNOWLEDGE OF MODIFIED CODEWORD TRANSMISSION - A method and apparatus for jointly decoding a first and second message is disclosed. The signaling scenario illustrated by FIG. | 11-13-2008 |
| 20080316995 | BROADCAST CHANNEL SIGNAL AND APPARATUS FOR MANAGING THE TRANSMISSION AND RECEIPT OF BROADCAST CHANNEL INFORMATION - The present invention provides a broadcast channel signal and apparatus for managing the transmission and receipt of broadcast channel information, where a known difference in the data prior to encoding for transmission produces a predictable difference, which can be removed or cancelled from the multiple received active frames, such that their differences can be negated prior to combining and subsequently decoding. In at least one embodiment one or more applied linear encoding techniques can allow for a predictable difference in the encoded values based upon a knowledge of the difference prior to encoding. | 12-25-2008 |
| 20080320527 | METHOD, SIGNAL AND APPARATUS FOR MANAGING THE TRANSMISSION AND RECEIPT OF BROADCAST CHANNEL INFORMATION - The present invention provides a method for transmitting broadcast channel information as part of a broadcast channel signal having one or more transmission intervals, where each transmission interval includes a plurality of transmissions, and one or more of the transmissions are active frames in which broadcast channel information is transmitted. Invariant portions that are present in the broadcast channel information are identified separate from any variant portions and are encoded for transmission, and the variant portions are used to select transmission specific configurations, which can be detected during the decoding by the receiver. Upon detection of the transmission specific configuration used to encode the invariant portions, the value of the variant portion can be identified and reintroduced as part of the received broadcast channel information. | 12-25-2008 |
| 20090046693 | METHOD AND APPARATUS FOR TRANSMIT POWER CALIBRATION IN A FREQUENCY DIVISION MULTIPLEXED WIRELESS SYSTEM - The present disclosure describes a method and apparatus for transmit power calibration in a frequency division multiplexed wireless system ( | 02-19-2009 |
| 20090047902 | METHOD AND APPARATUS FOR TRANSMIT POWER CALIBRATION IN A FREQUENCY DIVISION MULTIPLEXED WIRELESS SYSTEM - The present disclosure describes a method and apparatus for transmit power calibration in a frequency division multiplexed wireless system ( | 02-19-2009 |
| 20090077447 | MULTI-LAYER CYCLIC REDUNDANCY CHECK CODE IN WIRELESS COMMUNICATION SYSTEM - A wireless communication device ( | 03-19-2009 |
| 20090092067 | FLEXIBLE FRAME STRUCTURE IN WIRELESS COMMUNICATION SYSTEM - The disclosure relates to a frame structure that can be flexibly configured to serve to half-duplex users or a mixture of half- and full-duplex users based upon the grouping of user terminals according to one or more criteria. The disclosure also relates to the switching of users from one group to another. The signaling mechanisms to reconfigure a frame and to switch users are provided. | 04-09-2009 |
| 20090109906 | ALLOCATING DOWNLINK ACKNOWLEDGEMENT RESOURCES IN WIRELESS COMMUNICATION NETWORKS - A wireless communication system ( | 04-30-2009 |
| 20090168927 | BROADCAST CHANNEL SIGNAL, APPARATUS AND METHOD FOR TRANSMITTING AND DECODING BROADCAST CHANNEL INFORMATION - The present invention provides a broadcast channel signal, a wireless communication device and method for transmitting broadcast channel information, where an invariant subportion of a variant portion of the broadcast channel information is separated from the variant subportion of the variant portion and combined with the invariant portion, and encoded separately from the variant subportion. Both encoded portions are transmitted and decoded by a wireless communication device, which uses subsequent transmissions of the broadcast channel information to assist in the decoding in the event the broadcast channel information for a particular transmission frame of a transmission interval cannot be decoded. If the variant subportion cannot be decoded, then using one or more of a set of prestored possible matches defining anticipated bit differences, between multiple successive transmissions, based upon the relative transmission sequence, which can be negated as part of attempting to decode and combine the received information for the multiple received frames. | 07-02-2009 |
| 20090175179 | METHOD AND APPARATUS FOR PERFORMING MOBILITY MEASUREMENTS IN A COMMUNICATION NETWORK - A method and apparatus for performing mobility measurement in a communication network ( | 07-09-2009 |
| 20090196260 | METHOD FOR SIGNALING A MODULATION SCHEME TO USER EQUIPMENT IN A COMMUNICATION SYSTEM - A method signals a modulation scheme to user equipment on a control channel in a communication system. The method includes encoding the modulation scheme on a modulation specifier and encoding a number of channelization codes on a code group indicator. When the modulation scheme is other than quadrature phase shift keying with the user equipment being configured to support 64-quadrature amplitude modulation (64-QAM), then set the modulation specifier to indicate that the applied modulation scheme is other than QPSK, encode a code offset on a code offset indicator, and set one bit of the code offset indicator to indicate that the applied modulation scheme is 64-QAM. Finally, the method includes transmitting the modulation specifier, the code group indicator, and the code offset indicator on the control channel to the user equipment. | 08-06-2009 |
| 20090276684 | MULTI-ANTENNA CONFIGURATION SIGNALING IN WIRELESS COMMUNICATION SYSTEM - A wireless communication infrastructure entity ( | 11-05-2009 |
| 20090280747 | Method and Apparatus for Interference Cancellation in a Wireless Communication System - A mobile device estimates a data symbol from a received signal by using one or more interference cancellation algorithms. For one interference cancellation algorithm, the mobile device calculates a correction factor by estimating a Doppler speed and a time difference between a first time interval like a preamble symbol and a second time interval like any symbol of interest in an assigned data allocation in the data zone. Using the correction factor, the mobile device updates outdated interference information. The mobile device cancels interference in the received signal distorted by co-channel interference by using the updated interference information. Also, the mobile device is configured to combine results of multiple interference cancellation algorithms based on the applicability of the individual interference cancellation algorithms in particular scenarios. | 11-12-2009 |
| 20090310589 | ADAPTIVE DC SUB-CARRIER HANDLING IN A RECEIVER - Receiving units will switch between performing a DC bias suppression and not removing the DC distortion at the receiver depending on the amount of DC interference level observed/measured/estimated. Since the overall DC interference is from all uplink transmitters, potentially at different power levels, the amount of DC distortion can be measured based on the difference between the received power level and the expected power level on the DC sub-carrier. Additionally it can be estimated based on the number of active transmitters, their allocation bandwidth, power control target and/or a rough estimate of the DC distortion introduced by each active transmitter and also the distortion introduced by the receiver. Once this distortion level is estimated, a decision is then made whether or not to remove the DC distortion. | 12-17-2009 |
| 20100020716 | Scheduling in Wireless Communication Systems - A method in a wireless communication network ( | 01-28-2010 |
| 20100029289 | INTERFERENCE REDUCTION FOR TERMINALS OPERATING ON NEIGHBORING BANDS IN WIRELESS COMMUNICATION SYSTEMS - A wireless communication infrastructure entity in a wireless communication system implementing an uplink control channel using a narrowband frequency resource within a wideband frequency resource. The entity includes a controller communicably coupled to the transceiver wherein the controller is configured to cause the transceiver to signal a change of location for an uplink control channel within the wideband frequency resource. The uplink control channel includes at least a pair of uplink control channels separated within the wideband frequency resource and accommodates simultaneous uplink transmissions by multiple user equipment communicating in the wireless communication system. | 02-04-2010 |
| 20100034139 | Scheduling Grant Information Signaling in Wireless Communication System - A wireless communication infrastructure entity including a transceiver coupled to a controller configured to generate parity bits based on scheduling grant information and to encode the parity bits based on additional scheduling grant information not used to generate the parity bits, wherein the encoded parity bits combined with the scheduling grant information. The additional scheduling grant information may be transport block size or redundancy version information. | 02-11-2010 |
| 20100034314 | Antenna Configuration and Transmission Mode Signaling In Wireless Communication System - A wireless communication infrastructure entity including a transceiver communicably coupled to a controller configured to generate a handover message having a multi-bit field, the controller configured to set a value of the multi-bit field, the value of the multi-bit field jointly encoded to indicate both a transmission mode to be used after handover and an antenna configuration of a target | 02-11-2010 |
| 20100110964 | Method for Relays within Wireless Communication Systems - A relay design backward compatible with existing wireless communication networks. The invention provides details of apparatus and methods to enable operation of inband relays. Using a grant-based inhibit mechanism, a Relay and an eNB can efficiently cooperate to improve the performance by allowing one of either UE or the Relay to transmit on the uplink. Similarly, the UE overrides any pre-determined schedule (i.e., absence of Reference Signals) by searching for a scheduling grant and if the UE find the scheduling grant, the UE can assume that the Relay has overridden the pre-determined schedule temporarily. | 05-06-2010 |
| 20100120442 | RESOURCE SHARING IN RELAY OPERATIONS WITHIN WIRELESS COMMUNICATION SYSTEMS - A wireless communication relay terminal including a controller coupled to a transceiver wherein the controller is configured to cause the transceiver to transmit a first portion of a first sub-frame during a first time-frequency region to a wireless communication device, to cause the transceiver to receive, from a base station, a portion of a second sub-frame during a second time-frequency region wherein the first and second time-frequency regions are non-overlapping The controller is also configured to detect a control region within the portion of the second sub-frame received by attempting to decode information in a possible control region of the second sub-frame having at least one of several possible starting locations that are known a priori by the terminal. | 05-13-2010 |
| 20100195566 | APPARATUS AND METHOD FOR COMMUNICATING AND PROCESSING A POSITIONING REFERENCE SIGNAL BASED ON IDENTIFIER ASSOCIATED WITH A BASE STATION - A base station communicates a positioning reference signal (PRS) to wireless communication devices over a downlink in a wireless communication system by encoding a PRS into a first set of transmission resources, encoding other information into a second set of transmission resources, multiplexing the two sets of resources into a subframe such that the first set of resources is multiplexed into at least a portion of a first set of orthogonal frequency division multiplexed (OFDM) symbols based on an identifier associated with the base station and the second set of resources is multiplexed into a second set of OFDM symbols, and transmitting the subframe. Upon receiving the subframe, a wireless device determines which set of transmission resources contains the PRS based on the identifier associated with the base station that transmitted the subframe and processes the set of resources containing the PRS to estimate timing (e.g., time of arrival) information. | 08-05-2010 |
| 20100226274 | METHOD AND APPARATUS FOR INTERRUPTING A TRANSMISSION OF A MULTICAST SIGNAL - A method and apparatus for interrupting a transmission of a multicast signal includes a common channel selector ( | 09-09-2010 |
| 20100232373 | Resource Allocation in Wireless Communication Systems - A wireless communication terminal including a controller coupled to a wireless transceiver wherein the transceiver is configured to receive a first control message on an anchor carrier, the first control message including a resource assignment for the anchor carrier. The transceiver is also configured to receive a second control message on the anchor carrier, the second control message associated with a set of component carriers, the set of component carriers are distinct from the anchor carrier. The controller determines a resource assignment for at least one component carrier in the set of component carriers using both the first and the second control messages. | 09-16-2010 |
| 20100238845 | Relay Operation in a Wireless Communication System - A method in a relay node operating in a time division duplex system wherein the relay node transmits downlink pilot timeslot information to a user terminal in a first temporal region of a special sub-frame, communicates with a base station during a second temporal region of the special sub-frame, the second temporal region is configured as a guard period for communications between the relay node and the user terminal, and configures a third temporal region of the special sub-frame. | 09-23-2010 |
| 20100260154 | Method and Apparatus for Generating Reference Signals for Accurate Time-Difference of Arrival Estimation - A base station communicates a positioning reference signal (PRS) to wireless communication devices over a downlink in a wireless communication system by encoding a PRS into a first set of transmission resources, encoding other information into a second set of transmission resources, multiplexing the two sets of resources into a subframe such that the first set of resources is multiplexed into at least a portion of a first set of orthogonal frequency division multiplexed (OFDM) symbols based on an identifier associated with the base station and the second set of resources is multiplexed into a second set of OFDM symbols. Upon receiving the subframe, a wireless communication device determines which set of transmission resources contains the PRS based on the identifier associated with the base station that transmitted the subframe and processes the set of resources containing the PRS to estimate timing (e.g., time of arrival) information. | 10-14-2010 |
| 20100309891 | ALLOCATION OF CONTROL CHANNEL FOR RADIO RESOURCE ASSIGNMENT IN WIRELESS COMMUNICATION SYSTEMS - A wireless communication device for receiving a frame corresponding to a transmission time interval, the frame having a control channel including at least two control channel elements and an embedded bit sequence, the location of which indicates a portion of the control channel used for radio resource assignment, wherein the portion of the control channel used for radio resource assignment may be less than the entire control channel of the frame having the embedded bit sequence, and wherein the at least two frames may use different portions of the control channel for radio resource assignment. | 12-09-2010 |
| 20100317343 | Interference Control, SINR Optimization and Signaling Enhancements to Improve the Performance of OTDOA Measurements - A wireless terminal receives signaling information, pertaining to a reference signal transmission in at least one specifically designated sub frame, the signaling information including a list, the list including base station identities. The terminal determines, from at least one of the base station identities in the list, the time-frequency resources associated with a reference signal transmission intended for observed time difference of arrival (OTDOA) measurements from a transmitting base station associated with said one base station identity. The time of arrival of a transmission from the transmitting base station, relative to reference timing, is measured. The wireless terminal can receive a command from a serving cell to start performing inter-frequency OTDOA measurement on a frequency layer containing reference signals, the frequency layer distinct from the serving frequency layer, the serving frequency layer not containing positioning reference signals. The wireless terminal can perform OTDOA measurements subsequent to the reception of the command on a carrier frequency different from the serving cell carrier frequency. A base station transmitter can jointly schedule a reference signal transmission from a plurality of base station transmitters for the purpose of OTD estimation enhancement, and transmit identical reference signals from the plurality of base station transmitters, the reference signals being identical both in the signal sequence and time-frequency resources used for transmission. | 12-16-2010 |
| 20100322138 | Apparatuses and Methods for Multi-Antenna Channel Quality Data Acquisition in a Broadcast/Multicast Service Network - Various methods and apparatuses provide unicast channel data acquisition, such as antenna information, from MBMS subframes. A method of operating a wireless communications network infrastructure entity is disclosed comprising transmitting a subframe ( | 12-23-2010 |
| 20100329128 | SCHEDULING REMOTE UNITS IN WIRELESS COMMUNICATION SYSTEMS - A method for scheduling a wireless communication entity ( | 12-30-2010 |
| 20100331009 | Wireless Terminal and Method for Managing the Receipt of Position Reference Singals for Use in Determining a Location - The present invention provides for wireless terminal and a method in a wireless terminal for use in a location determination approach using time of arrival estimates between the wireless terminal and a plurality of base stations in a cellular network. The method includes receiving assistance data from a serving base station for use in receiving a position reference signal used to determine a time of arrival of one or more respective position reference signals from the plurality of base stations relative to a time reference, wherein the assistance data includes a list of base stations, each base station included in the list to be one of used or excluded from use as part of the plurality of base stations for receiving the position reference signal and determining the time of arrival estimate for the received position reference signal. The position reference signal is then received for each of the plurality of base stations, where for each of the plurality of base stations a time of arrival estimate is determined for each of the respective received position reference signals. The time of arrival estimates for each of the plurality of base stations is then forwarded to a location determination entity. | 12-30-2010 |
| 20100331030 | Control and Data Signaling in Heterogeneous Wireless Communication Networks - A method in a wireless communication device including receiving control signaling from a base station in a control region of a downlink carrier spanning a first bandwidth, receiving a signaling message from the base station indicating a second bandwidth, receiving a first control message within the control region using a first Downlink Control Information (DCI) format size, the first DCI format size based on the first bandwidth, and receiving a second control message within the control region using a second DCI format size, the second DCI format size based on the second bandwidth, wherein the second bandwidth is distinct from the first bandwidth and the first and second control messages indicate downlink resource assignments for the downlink carrier. | 12-30-2010 |
| 20110066927 | MULTI-LAYER CYCLIC REDUCNDANCY CHECK CODE IN WIRELESS COMMUNICATION SYSTEM - A wireless communication device includes a receiver configured to receive a transport block with a sequence of bits wherein A is the number of bits, a first cyclic redundancy check (CRC) coder configured to generate a first block of CRC parity bits on a transport block and to associates the first block of CRC parity bits with the transport block, wherein a number of CRC parity bits in the first block is L, a segmenting entity configured to segment the transport block into multiple code blocks after associating when A+L is larger than 6144, a second CRC coder configured to generate a second block of CRC parity bits on each code block and to associate a second block of CRC parity bits with each code block, and a channel encoder configured to encode each of the code blocks including the associated second block of CRC parity bits if A+L>6144. | 03-17-2011 |
| 20110085610 | Configurable Spatial Channel Information Feedback in Wireless Communication System - A method for configurable spatial channel information feedback in wireless communication systems is disclosed including receiving, at the wireless communication device, transmission from a plurality of antennas, receiving an indication of a feedback mode for feeding back spatial channel information that is based on correlations among at least some of the plurality of antennas, decomposing a correlation matrix representative of the correlations among at least some of the plurality of antennas into at least two Kronecker components, and feeding back parameters representative of the Kronecker components according to the feedback mode indicated. | 04-14-2011 |
| 20110149868 | APPARATUS AND METHOD FOR COMMUNICATING AND PROCESSING A REFERENCE SIGNAL BASED ON AN IDENTIFIER ASSOCIATED WITH A BASE STATION - A wireless communication device receives at least a section of a subframe from a base station in a wireless communication system. The subframe includes transmission resources multiplexed onto subcarriers of orthogonal frequency division multiplexed (OFDM) symbols. A first set of OFDM symbols includes a reference signal and at least a second set of OFDM symbols includes information other than the reference signal (e.g., channel-coded data). The wireless device determines which OFDM symbols of the subframe constitute the first set of OFDM symbols based on an identifier associated with a base station that transmitted the subframe. The wireless device may then process the reference signal from the OFDM symbols that are determined to be the first set of OFDM symbols. The wireless device may also determine which OFDM symbols of the subframe constitute the second set of OFDM symbols and process non-reference signal information from OFDM symbols of the second set. | 06-23-2011 |
| 20110149903 | APPARATUS AND METHOD FOR COMMUNICATING AND PROCESSING A REFERENCE SIGNAL BASED ON AN IDENTIFIER ASSOCIATED WITH A BASE STATION - A base station, which includes a processor and a transmitter, communicates a reference signal to wireless communication devices in a wireless communication system. The processor encodes the reference signal into a first set of transmission resources, encodes other information into a second set of transmission resources, and multiplexes the two sets of transmission resources into a subframe, such that the first set of transmission resources is multiplexed into at least a portion of a first set of orthogonal frequency division multiplexed (OFDM) symbols based on an identifier associated with the base station and the second set of transmission resources is multiplexed into a second set of OFDM symbols. The transmitter transmits the subframe to the wireless devices. According to one embodiment, transmission resources for carrying the reference signal may be allocated according to a predetermined allocation, a semi-static allocation, a dynamic allocation, and/or an allocation based on higher layer signaling. | 06-23-2011 |
