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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...
8200160 Process for eliminating interferences in a HSDPA mobile terminal  
Process of elimination of interferences in a downlink transmission channel between a mobile terminal comprising the resources to receive HSDFA and MBMS service and a base station of a cellular...
8199793 Determination of active spreading codes and their powers  
The present invention relates to a method and a device for detecting active spreading codes for a signal in a communication system and estimating power of the active spreading codes. Further, the...
8189648 Scaling using gain factors for use in data detection  
Data is estimated from a received vector comprising a plurality of communications. A received wireless signal is converted to a baseband signal, which is sampled to produce a received vector....
8189654 Receiver  
A receiver in which computation is simplified can be obtained by using a common factor for filter coefficients of FIR filters corresponding to a plurality of transmitting antennas and by using only...
8189652 Method and apparatus for detecting high-mobility state of mobile terminal and related device  
The invention provides a method of detecting high-mobility state of mobile terminal, comprising steps of: estimating a channel impulse response (CIR) based on received signal samples; performing...
8184676 Method and apparatus for mitigating the effects of CW interference via post correlation processing in a GPS receiver  
A positioning system receiver that mitigates the effect of continuous wave (CW) carrier interference with post correlation processing in a satellite positioning receiver, while not distorting the...
8184753 Apparatus and method for OFDM channel equalization  
An apparatus and method for orthogonal frequency division multiplexing (OFDM) channel equalization are disclosed. The apparatus includes a compensation value setting unit setting a compensation...
8179774 Cross-talk coefficient updating in vector transmission  
Embodiments related to far-end cross-talk coefficient updating in vector transmission systems are depicted and described herein.
8179834 Method and apparatus for adapting downlink wireless transmission between beamforming and transmit diversity on a per mobile station basis  
A transmitting apparatus is provided for a base station capable of communicating with a plurality of mobile stations in a wireless network. The transmitting apparatus includes a beamforming traffic...
8179948 Radio signal demodulating device  
It is an object of the present invention to provide a radio signal demodulating device in which fluctuation follow ability of transmission channel environment is improved. The radio signal...
8175183 Digital broadcasting receiving apparatus  
A digital broadcasting receiving apparatus is characterized in that the digital broadcasting receiving apparatus is provided with an antenna combination determination processing unit for selecting...
8175136 Noise cancellation method, receiver circuit, and electronic instrument  
A noise cancellation method includes: inputting an interference wave signal detected near a receiver section, and changing the phase and the amplitude of the input signal to generate a cancellation...
8170159 Preamble noise cancellation circuit  
A preamble noise cancellation circuit according to an aspect of the invention may include: a coupler dividing an input signal; a preamble noise detection unit subtracting a predetermined reference...
8170087 Correlation coprocessor  
Apparatus and method for providing correlation in a CDMA receiver. A Generic Correlation Coprocessor comprises one or more correlation blocks. Each correlation block comprises a correlation input...
8165580 Cell selecting apparatus and cell selecting method  
A cell selection apparatus is used in the environment in which multiple communication systems coexists and at least one of the communication systems use guard intervals inserted in the transmission...
8165186 Channel estimation for wireless communication  
Techniques for deriving channel estimates with different channel estimation filters are described. In one scheme, a filter selection metric is determined for a signal to be recovered, a channel...
8160119 Method and device for anti-interference fighting in a telecommunications system  
A method of fighting interference in a frequency-hopping communication system is disclosed. The system has at least one main sensor and one or more auxiliary sensors. According to at least one...
8160500 Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a RAKE receiver  
A method for processing signals in a wireless communication system includes determining at a receiver, a maximum one of a plurality of signal-to-interference-plus-noise ratio (SINR) values for a...
8155089 System and method of processing CDMA signals  
Methods and apparatus for performing finger de-spreading and MRC combining are provided. A large antenna buffer is used to buffer all the finger signals of the same user so that the receiver can do...