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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...
8155595 Method for iterative interference cancellation for co-channel multi-carrier and narrowband systems  
In a co-channel deployment of narrowband and multi-carrier technologies (e.g., a femtocell and a macrocell), a method provides cancelling of interference which treats the co-channel signals as...
8149899 Efficient despread and respread of multi-rate CDMA signals  
A system and method, comprising a despread module that receives a descrambled signal and an identification of active codes, a soft-symbols memory communicably coupled to the despread module, and a...
8149898 Mobile communication system receiver, path tracking method, and control program thereof  
To prevent disabling of the path tracking function. A path allocation unit allocates a signal power peak of a delay profile crated by a delay profile creation unit as a path to a finger reception...
8149897 Method and apparatus for performing signal correlation for signals received from satellites in multiple satellite systems  
A method and apparatus for computing a convolution between a satellite signal from one of a plurality of satellite positioning systems and a pseudorandom code reference. The method and apparatus is...
8144822 Noise power estimation apparatus, noise power estimation method and signal detection apparatus  
A noise power estimation apparatus is disclosed. The noise power estimation apparatus includes: a part for calculating correlation between a received signal and a pilot signal so as to obtain a...
8144823 Signal processing device and signal processing method  
The present invention discloses a signal processing device and a signal processing method. The signal processing device includes a plurality of receiving devices, a storage module, a weighting...
8144798 Long training sequence for MIMO WLAN systems  
A method for configuring a multiple input multiple output (MIMO) wireless communication begins by generating a plurality of preambles for a plurality of transmit antennas. Each of the plurality of...
8144824 Trend influenced time tracking  
A method for determining a communication channel location is disclosed. A first subset of a plurality of channel impulse responses is averaged over a first time period to produce a first filtered...
8144793 Cognitive multi-user OFDMA  
A computing device operating according to a frequency division multiplexed protocol in which communication occurs over a signal formed from a plurality of sub-channels selected from anywhere in a...
8140122 Apparatus and method for changing communication mode in multi-antenna system considering channel environment  
An apparatus and a method for determining a multi-antenna transmission mode at a base station in a multi-antenna system are provided. The method for determining the multi-antenna transmission mode...
8135054 Processing of interference on a radiofrequency signal by power inversion  
The invention relates to a radiofrequency receiver, notably for satellite positioning applications, needing to operate in an environment where interference is dense, notably when it involves pulses...
8130878 Apparatus and method for estimating carrier-to-interference-and-noise ratio in an orthogonal frequency division multiplexing system  
An apparatus and method for estimating a carrier-to-interference-and-noise ratio (CINR) of a received signal in an orthogonal frequency division multiplexing (OFDM) system are provided. A band-pass...
8130820 Method and apparatus for interference cancellation in a wireless communications system  
Successive interference cancellation is performed with improved computational efficiency while offering performance approaching that of full CRC-based successive interference cancellation. In a...
8126098 Multi-rake receiver  
A wireless receiver includes M antennas that each receive a wireless signal. N rake receiver modules receive the wireless signals from the M antennas and combine multipath components of the...
8126031 Time-tracking management of demodulation elements in a receive diversity enabled rake receiver  
A rake receiver comprises a plurality of receive antennas and a processing system. Each receive antenna has a plurality of demodulation elements. The processing system is configured to assign a...
8125886 System, apparatus, and method for spatial multiplexing with symbol spreading  
The present invention provides a system (400), device (200, 300), and method (200) for a spatial multiplexing (SMX) transmission scheme combined with symbol spreading and rotation using a...
8126085 Method and apparatus to estimate channel tap  
Briefly, a method an apparatus and a wireless communication device are provided. The wireless communication device includes a receiver to receive complex sequences of symbols. The receiver includes...
8125381 Satellite-based positioning system improvement  
A method, device and system for determining a receiver location using weak signal satellite transmissions. The invention involves a sequence of exchanges between an aiding source and a receiver...
8121176 Iterative interference canceler for wireless multiple-access systems with multiple receive antennas  
This invention teaches to the details of an interference canceling receiver for canceling intra-cell and inter-cell interference in coded, multiple-access, spread spectrum transmissions that...
8121228 Detecting a data frame  
A detector (109) and corresponding method is configured for detecting presence of a data frame. The detector includes a first correlator (123) that is configured to provide a first plurality of...
8121177 Method and apparatus for interference suppression with efficient matrix inversion in a DS-CDMA system  
A receiver in a CDMA system comprises a front end processor that generates a combined signal per source. A symbol estimator processes the combined signal to produce symbol estimates. An S-Matrix...
8116353 Spread spectrum modulator and demodulator  
A spread spectrum modulator converts input sequences composed of digital symbols into n≧2 spread-spectrum sequences. The spread spectrum modulator can generate spreading code and can combine the s...
8116794 Channel impulse response extraction for mobile terminals  
Finding a channel impulse response estimation window in a current cell for at least one mobile terminal in a neighboring cell is disclosed. This can serve to mitigate interference caused by mobile...
8116355 Method of selecting echoes of a signal for assignment to fingers of a Rake receiver and corresponding Rake receiver  
A method is provided for processing a signal emanating from a multi-path transmission medium. A number L of echoes of the signal received are detected, with L being greater than the number N of...
8111789 Method and system for channel estimation in a single channel MIMO system with multiple RF chains for WCDMA/HSDPA  
Aspects of a method and system for channel estimation in a MIMO communication system with multiple RF chains for WCDMA/HSDPA may comprise receiving a plurality of communication signals from a...
8111790 Mitigating interference in a coded communication system  
A technique weights noise power used in a demodulation/demapping process using on an estimate of interference and its associated power. Using this technique the effect of partial interference can...
8111669 Parallel interference cancellation and minimum cost channel estimation  
Methods and systems in a wireless receiver for enabling the reception of input signals at varied power levels in the presence of co-channel interference utilizing combinations of space-time...
8107560 Method and apparatus for interference cancellation in communication signal processing  
A method and apparatus blindly detects a received signal's modulation type characterizing an impairment component of the received signal for each postulated modulation type by determining spatial...
8107512 Method and apparatus for robust automatic frequency control in CDMA systems with constant pilot signals  
There is provided a method for generating an error signal for an automatic frequency control (AFC) loop in a Code Division Multiple Access (CDMA) system. Sign information relating to phase...
8108749 Diversity combining iterative decoder  
An iterative decoder circuit includes an N number of sub-decoders, N−1 of the sub-decoders each being responsive to a baseband signal from one of M number of signal processing circuits. Each of t...
8107549 Multi-stage receiver for wireless communication  
Techniques for receiving a MIMO transmission are described. A receiver processes received data from multiple receive antennas in multiple stages. A first stage performs front-end...
8102899 Receiver and method of receiving a CDMA signal in presence of interferences with unknown spreading factors  
A receiver arranged to receive a plurality of spread spectrum signals including a first spread spectrum signal from which interference caused by one or more others of said plurality of signals is...
8102907 Space-frequency equalization for oversampled received signals  
Techniques for performing space-frequency equalization and spatial equalization in the frequency domain are described. Space-frequency equalization combines signal components across both space and...
8099123 Adaptation of transmit subchannel gains in a system with interference cancellation  
A method and system for interference cancellation (IC). One aspect relates to traffic interference cancellation. Another aspect relates to joint IC for pilot, overhead and data. Another aspect...
8098714 Method for estimating, in a communication system, the level of interference plus noise affecting received signals representative of a set of received pilot symbols  
The present invention concerns a method for estimating, in a communication system, a level of interference plus noise affecting received signals representative of a set of received pilot symbols,...
8098706 Signal generator for a DSSS or CDMA signal  
The invention relates to a signal generator for a DSSS or CDMA signal, comprising several spread sequence memories and a digital signal processor which pre-calculates the spread sequence in an...
8098779 Interference detection and mitigation  
Techniques for detecting and mitigating interference are described. A device (e.g., a cellular phone) senses interference levels and digitally reconstructs the expected interference in the received...
8090011 Measuring apparatus, measuring method, recording medium, and test apparatus  
Provided is a measuring apparatus which measures a quadrature modulator, including a supplying section supplying the quadrature modulator with a reference I signal having a predetermined frequency...