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8284819 Method and system for interference suppression in WCDMA systems  
Aspects of a method and system for interference suppression in WCDMA systems may include one or more circuits that are operable to receive a plurality of multipath signals via one or more receiving...
8279981 Method for post detection improvement in MIMO  
A two-stage approach to MIMO detection improves receiver performance in a computationally tractable manner. A whitening joint detector processes a MIMO symbol stream. The whitening joint detector...
8279954 Adaptive forward-backward soft output M-algorithm receiver structures  
A method and apparatus is disclosed herein for forward-backward SOMA techniques. In one embodiment, the apparatus is a receiver comprising: an inner decoder structure having a soft output...
8279743 Method for interference estimation for orthogonal pilot patterns  
In an OFDM communications system receiver, channel estimates are processed to remove or reduce noise, exploiting the orthogonality of pilot patterns. The de-noised channel estimates are then used...
8275023 Method and apparatus for shared parameter estimation in a generalized rake receiver  
Signal impairment correlations for multiple signals in a received multipath signal are constructed by fitting parametric models associated with each high-data-rate signal in the multipath against...
8270453 System and method for parallel interference cancellation with covariance root processing  
A parallel interference cancellation (PIC) receiver incrementally removes interference from signals in parallel modules in successive stages. For each desired signal, as interfering signals are...
8270456 Digital radio systems  
Apparatus comprising a pre-filter rake architecture with various features designed to, in at least some circumstances, to lessen the data processing burden associated with the architecture. In one...
8265202 Method for estimating hidden channel parameters of a received GNNS navigation signal  
For the reduction of the multipath error of received GNSS navigation signals, a sequential Bayesian estimation is used, with a movement model underlying this estimation, which model is particularly...
8265210 Iterative receiver and method for detecting transmitted signal thereof  
In an iterative receiver, a signal detector estimates interference from an estimated transmitted signal, and cancels the estimated interference from a signal received through an antenna. A decoder...
8265211 Device and method for improving the carrier-to-noise ratio for a receiver with diversity  
The method of improving the carrier-to-noise ratio for a receiver with diversity, and the associated device, consists, after extracting, by phase shifting, the noise component of the signals to be...
8265186 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes
 
Block-encoded transmissions of a multi-antenna terminal unit are effectively detected in the presence of co-channel interfering transmissions when the base station has a plurality of antennas, and...
8265206 Radio communication device and radio communication method  
A radio receiver which performs iterative decoding of a received signal is provided. The radio receiver comprises: a receiving unit receiving a signal on a symbol-by-symbol basis; a demodulation...
8265123 CDMA receiving apparatus and CDMA receiving method  
A CDMA receiving apparatus includes a path searcher which outputs path timing that corresponds to sample timing where a correlation value between a received data sequence and a reference code...
8265011 High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios  
Two or more data packets transmitted through a wireless channel are received using a receiver device. The two or more data packets are a result of two or more transmissions that are made...
8259783 Method of determining as to whether a received signal includes an information signal  
A method of determining as to whether a received signal includes an information signal is provided. The method provided includes determining a covariance matrix from a received signal and...
8260207 Measuring communicating and using interference information  
Apparatus and methods of performing interference mitigation in a communication network. The interference mitigation can include a controller sending a message to a first access point instructing...
8259782 Method and device for estimating a gaussian white noise power in a channel, and receiver  
A method and device for estimating a Gaussian white noise power in a channel and a receiver are provided. The method includes performing a multi-path search on a received signal to find out paths...
8254514 Early-late gate timing recovery  
An early-late gate based ADC timing approach is described for performing early-late gate timing recovery despite the presence of multipath signal distortion. Multipath conditions may severely...
8254432 Method and system for single antenna receiver system for W-CDMA  
A receiver receives chip-level data items via a plurality of individual distinct path signals in a signal cluster that is wirelessly received. Channel estimates and timing reference signals, and...
8254431 Wireless transmit/receive unit (WTRU) for carrier offset recovery  
A wireless transmit/receive unit (WTRU) for carrier offset recovery. An adaptive matched filter produces a filtered signal. A rake receiver provides relative path values of multipath components. A...
8249186 Method and apparatus for singular value decomposition of a channel matrix  
A method and apparatus for decomposing a channel matrix in a wireless communication system are disclosed. A channel matrix H is generated for channels between transmit antennas and receive...
8249206 Method and apparatus for channel estimation in communication systems, and related computer program product  
A method of channel estimation in orthogonal frequency-division multiplexing communication employing three or more subcarriers, wherein frequency correlation exists between the subcarriers. The...
8249192 Techniques to transmit data rate control signals for multi-carrier wireless systems  
Various embodiments are disclosed relating to techniques to transmit data rate control signals for multicarrier wireless systems. According to an example embodiment, a wireless apparatus may be...
8249201 Methods and systems for MIMO preamble detection  
Certain embodiments of the present disclosure allow for detection of a transmitted preamble sequence by processing a correlation of a received signal and a preamble hypothesis in a way that...
8249883 Channel extension coding for multi-channel source  
A multi-channel audio decoder reconstructs multi-channel audio of more than two physical channels from a reduced set of coded channels based on correlation parameters that specify a full power...
8243709 Method and arrangement for mitigation of intercell interference in a cellular communication system  
A method (400) and arrangement (200) for mitigation of intercell and intracell interference in a 3GPP cellular communication system (100) by, in a receiver in a cell of the system, deriving for a...
8243776 Communication device, noise removing method, and program  
A communication device according to an embodiment of the present invention includes a communication antenna that receives a transmission signal where a spectrum spread signal subjected to a...
8238493 Preamble detection with multiple receive antennas  
A system including a differential demodulation module, a first summing module, and a second summing module. The differential demodulation module generates differentially demodulated signals based...
8238410 Method and apparatus for mitigating the effects of narrowband interfering signals in a GPS receiver  
A positioning system receiver that mitigates narrowband interference by dynamically choosing the mitigation technique that yields the best interference mitigation capability with the least signal...
8238499 Method and apparatus for low-complexity interference cancellation in communication signal processing  
The teachings herein disclose interference cancellation processing that uses hard decision logic for simplified estimation of interfering signals, in combination with soft scaling of the hard...
8238855 Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system  
The present invention encompasses a mobile station comprising a transmitter for transmitting outgoing signals from the mobile station and a receiver for receiving incoming signals, the receiver...
8233898 Wireless communications device providing temperature-compensated clock correction features and related methods  
A wireless communications device may include a portable housing and a temperature-compensated clock circuit carried by the portable housing. The device may further include a wireless receiver...
8229044 Efficient covariance computation by table lookup  
The impairment processor described herein uses a look-up table operation to reduce the computational complexity associated with determining an impairment correlation between first and second sample...
8228971 Technique for searching for a preamble signal in a spread spectrum signal using a fast Hadamard transform  
In one embodiment, a method for demodulating and searching for a preamble signal containing a complex phasor signal is disclosed. The complex phasor is demodulated using a phasor-rotated fast...
8229041 Direct detection of wireless interferers in a communication device for multiple modulation types  
Direct detection of wireless interferers in a communication device for multiple modulation types. One or more radios implemented within a communication device is/are operative to receive and...
8229605 Aviation application setting antenna array and integrated temperature sensor  
An antenna array for use in an aviation application setting comprises an external covering and at least four radio frequency antennas that are disposed underneath and that are protected by the...
8223907 Method for deriving parasitic signals from modulated digital signals  
A method for deriving interference signals from modulated, digital signals is provided. The receiver end reconstructs the modulated digital signals sent by a transmitter. These reconstructed...
8223704 Apparatus and method for assigning subchannels in an OFDMA communication system  
An apparatus and method for assigning subchannels of a transmitter in a communication system. The method includes dividing an entire frequency band into m subcarrier groups; mapping each of the m...
8224239 Antenna selector and communication device  
A transmitting/receiving circuit holds a communication at a frequency f1 by using an antenna or an antenna, and a transmitting/receiving circuit holds a communication at a frequency f2 by using an...
8223887 Transmitter, receiver, and method of supporting space time block code scheme in single carrier system based on unique word  
A transmitter, a receiver, and a method of supporting a space time block code (STBC) scheme in a single carrier (SC) system based on a unique word (UW) are provided. The transmitter supporting an...
8218604 Interference canceling CDMA mobile station receiver  
A receiver that provides interference cancellation in conjunction with RAKE processing. Signal parameters corresponding to each of a plurality of fingers corresponding to RAKE processing are...
8218606 Method and apparatus for direct estimation of impairment correlations for received signal processing  
According to the teachings disclosed in this document, a receiver estimates impairment correlations for a received signal using received pilot values. This direct estimation of impairment...
8218697 Iterative interference cancellation for MIMO-OFDM receivers  
An OFDMA-MIMO receiver performs a recursive interference cancellation across several correlated subbands and several receive antenna elements to demodulate complex source symbols for several users...
8213553 Method and apparatus for identifying co-channel interference  
Methods and apparatuses identifying a co-channel interference signal in communications systems are disclosed. An exemplary method comprises generating an interference signal by subtracting a...
8213486 Method for simplifying the calculations for pre-whitening in a G-rake receiver  
A method for simplifying calculations for pre-whitening in a G-RAKE receiver, comprising receiving at least two signals with at least two antennas via a channel, where each one of said received...
8213493 Pilot-directed and pilot/data-directed equalizers  
A normalized least means square (NLMS) equalizer including two equalizer filters is disclosed. In one embodiment, a single correction term generator is used to generate correction terms for tap...
8208514 Successive interference canceling for CDMA  
Successive interference canceling for CDMA. ICI may result from a signal's multi-path effects, or by filtering/suppression of some of the component energy of the signaling waveforms. Energy...
8203992 Methods and systems for implementing CDMA-based dedicated control channels in an OFDMA-based network  
A method for efficiently transmitting control information may include allocating a portion of orthogonal frequency division multiple access (OFDMA) frames for transmission of a code division...
8204098 Control signaling for multiple carrier high speed uplink packet access in radio frequency communication systems  
Systems and methods for providing an efficient mechanism for transmitting information needed to receive a secondary carrier over an existing message protocol on a primary carrier for a multiple...
8204024 Method and apparatus for supporting downlink joint detection in TDD CDMA systems  
A method is proposed for supporting downlink JD (joint detection) in a TDD CDMA communication network system, comprising steps of: judging whether the CAI (code allocation information) in a...