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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...
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...