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8325590 OFDM communications system  
A communications system comprising a base station, and a plurality of terminals served by that base station which may include an ad-hoc network of terminals. Information from the base station or...
8325862 Wireless communication apparatus and wireless reception method  
A wireless communication apparatus having a plurality of antennas 11-1 to 11-M and for diversity-combining signals received by the antennas 11-1 to 11-M, includes a first combining unit (23, 24)...
8325858 Estimation of noise variance combined with narrow-band interference detection  
Method and apparatus are provided for estimating noise variance using a long-term data aided algorithm and an interference variance using a short-term data aided algorithm. Using these estimations,...
8325588 Iterative reception method and iterative receiver  
An iterative reception method and iterative receiver in a mobile communication system are provided. In order to remove inter-cell interference of a signal that is iteratively received in a...
8320489 Determining channel coefficients in a multipath channel  
A device, method, and computer-readable medium are provided. The device includes, but is not limited to, an antenna configured to receive a multipath signal and a processor operably coupled to the...
8320429 Receiver and method for receiving data in human body communication system using multiple receivers  
There are provided a receiver in human body communication system using multiple receivers reducing an error rate of receiver signals by applying a space diversity acquisition-related SIMO...
8320475 Inter-carrier interference measurement in orthogonal frequency division multiplexing systems  
A system for measuring inter-carrier interference (ICI) in an OFDM system includes a test symbol generator coupled to a transmitter of the OFDM system to generate an N*N orthogonal matrix having...
8315345 Closed loop power normalized timing recovery for 8 VSB modulated signals  
A timing recovery loop includes a sampler, a narrow band filter, an RMS normalize, a timing error detector, and a sample controller. The sampler samples a received signal. The narrow band filter...
8311165 Interference suppression method and interference suppression device  
A reception station 1b compares its BSSID with BSSID included in a signal that has arrived thereat. As BSSIDs included in signals transmitted by interfering stations 1c and 1d both match BSSID of...
8306094 MIMO-OFDM receiver processing  
A device can include a module configured to: receive one or more frames, at least one frame including a training sequence; determine a fine frequency offset using the training sequence; and perform...
8306093 Method and apparatus for multipath mitigation  
An apparatus and method for short multipath mitigation. In one aspect the method comprises subtracting a first stronger path from a correlation function to obtain a first residual signal, wherein...
8300592 Signal transmission method and device  
A signal transmission method, which includes: each data symbol needing to be transmitted is weighted and repeatedly extended to obtain the extended data symbol of each data symbol; the extended...
8300678 Multipath signal determination method, signal suitability determination method, positioning operation method, program, and multipath signal determination circuit  
A multipath signal determination method includes carrying out correlation operation between a received signal of a positioning signal spread-modulated with a spread code and a replica signal of the...
8300677 Signal detecting method and device for multi-codeword MIMO system  
A signal detecting method and device for a multi-codeword multi-input multi-output (MIMO) system are provided, which are used in the field of communication and solve the problem that it is complex...
8300741 Interference detector and method thereof  
An interference detector receives a data stream including predetermined symbols that include a first data and a second data, between which is a frequency offset. The interference detector includes...
8295329 Efficient computation of soft scaling factors for linear multi-user detector  
A symbol detector converts initial symbol estimates of received symbols to soft estimates for decoding. The symbol detector computes spreading waveform correlations between a spreading waveform for...
8295328 Doppler frequency control of G-rake receiver  
A control system and method for controlling a spread spectrum receiver such as a generalized Rake (G-Rake) receiver or chip equalizer based on a frequency shift (fD) of a received signal. A hybrid...
8295331 Multi-user interference cancellation in a single-carrier radio receiver  
A method, apparatus, and radio receiver system for canceling multi-user interference in a single-carrier radio communication system. A front-end receiver such as a RAKE receiver receives a radio...
8295330 Method and apparatus for communication signal processing based on mixed parametric and non-parametric estimation of impairment correlations  
According to the teachings presented herein, a method and apparatus for communication signal processing advantageously use a mix of parametric and non-parametric correlation estimation in...
8295332 Channel estimation device and method, demodulation device and method, and fading frequency decision device and method  
In this invention, a channel estimation value of data symbols of a data channel is calculated by weighting and averaging pilot symbols in a parallel time multiplexing method. Also, a channel...
8295324 Method of processing a digital signal derived from a direct-sequence spread spectrum signal and a receiver  
Complex digital data values derived from a DSSS signal, in particular, a GNSS signal, are delivered to a general purpose microprocessor at a rate of 8 MHz and chip sums over eight consecutive data...
8290018 Method for efficient equalization in a telecommunication system including at least one mobile transceiver  
The present invention relates to a method for transmitting data Di in a telecommunication system SYST including a first transceiver TXi and a second transceiver RX linked together by means of a...
8291294 Intersymbol interference encoding in a solid state drive  
Methods and devices are provided for intersymbol interference encoding in a solid state drive. In an illustrative embodiment, an nth data signal is received as input to a processing component. An...
8290024 Methods and apparatus to facilitate improved code division multiple access receivers  
Methods and apparatus to facilitate improve code division multiple access (CDMA) receivers are disclosed. An example method disclosed herein comprises: receiving a signal containing first portions...
8290025 Slicer input and feedback filter contents for block coded digital communications  
Improved decision directed adaptation and decision feedback equalizers are provided in a block coded digital communication system. The performance of a receiver is significantly improved by...
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...