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US20110206170 CODE BLOCK INTERFERENCE CANCELLATION  
Certain aspects of the present disclosure propose an interference cancellation method based on the sub-blocks inside a block. For example, in the long term evolution (LTE) standard, the sub-blocks...
US20140211881 Rateless And Rated Coding Using Spinal Codes  
In one aspect, a wireless system includes an encoder configured to encode data using a spinal code which uses a function over the message bits to directly produce a sequence of constellation...
US20120213307 Rateless and Rated Coding Using Spinal Codes  
In one aspect, a wireless system includes an encoder configured to encode data using a spinal code which uses a function over the message bits to directly produce a sequence of constellation...
US20110158359 ITERATIVE DECODING AND DEMODULATION WITH FEEDBACK ATTENUATION  
An iterative demodulator and decoder uses feedback attenuation to maintain proper balance between the demodulator and decoder. Balance is maintained by attenuating the influence of extrinsic...
US20140226750 CHANNEL ESTIMATION FOR WIRELESS SYSTEMS WITHOUT MATRIX INVERSION  
In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by...
US20140112250 METHOD OF INTERFERENCE CANCELLATION AND METHOD OF DETECTION OF ERRONEOUS NEIGHBOUR CELL MEASUREMENTS  
Methods of interference cancellation are provided. Channel estimation is performed with or without interference cancellation. Methods of detection of erroneous neighbor cell measurements are...
US20120039400 DIGITAL TWO WAY AUTOMATIC COMMUNICATION SYSTEM (TWACS) OUTBOUND RECEIVER AND METHOD  
A receiver and method for a transponder of a two-way automatic communications system (TWACS) used by an electrical utility in which analog outbound messages are sent from the utility to a consumer...
US20130058433 PRE-CODING METHOD, PRE-DECODING METHOD, TRANSMITTER AND MOBILE TERMINAL BASED ON INTERFERENCE ALIGNMENT  
The transmitter and a mobile terminal based on interference alignment use pre-coding and pre-decoding methods. An antenna mapping matrix is computed according to a downlink channel state...
US20130195232 Interference Cancellation for Non-Orthogonal Channel Sets  
Techniques for interference cancellation in a CDMA system. In an exemplary embodiment, a channel set scrambled using a secondary scrambling code (SSC) is estimated and cancelled along with a...
US20120250808 ARCHITECTURE AND METHOD OF CHANNEL ESTIMATION FOR WIRELESS COMMUNICATION SYSTEM  
An apparatus may comprise a channel estimation architecture for wireless communications. Other embodiments are described and claimed.
US20120269305 BANG-BANG OFFSET CANCELLATION (AUTOZERO)  
A receive channel offset correction scheme utilizes “eye edge” samplers and demultiplexers already present and essential for operation of the CDR algorithm, and adds only simple word-rate logic,...
US20140029706 CONVERGENCE DURING INTERFERENCE SUPPRESSION  
In one embodiment, interference suppression is improved by improving convergence criteria. For some embodiments, convergence is improved by employing non-constant alpha-beta-weighting. For other...
US20140086371 INTERFERENCE CANCELLATION APPARATUS AND RECEIVER  
The present invention provides an interference cancellation apparatus and receiver. The apparatus comprises: an interference cancellation unit configured to, based on preset granularities,...
US20120307948 METHOD TO CANCEL IMPULSIVE INTERFERENCE FROM A SIGNAL PROCESSING SYSTEM  
A method of canceling impulsive interference from a communications signal is provided. The method includes identifying an impulse interference contained in the communications signal, generating a...
US20090252201 PILOT INTERFERENCE CANCELLATION  
Techniques for generalized pilot interference cancellation in a communications receiver. In an exemplary embodiment, a residual pilot is cancelled from a post-traffic cancellation signal following...
US20100329309 ADVANCED TELEVISION SYSTEMS COMMITTEE (ATSC) DIGITAL TELEVISION (DTV) RECEIVER  
A computer system may comprise a receiver to perform equalization. The receiver comprises an equalizer. The equalizer may determine locations of a principal tap, a platform noise tap, and a...
US20090086861 INTERFERENCE MANAGEMENT UTILIZING POWER AND ATTENUATION PROFILES  
Interference that occurs during wireless communication may be managed through the use of fractional reuse and other techniques. In some aspects fractional reuse may relate to HARQ interlaces,...
US20140301509 SYSTEMS AND METHODS FOR CHANNEL QUALITY INDICATOR (CQI) SELECTION FOR NON-DETERMINISTIC RECEIVERS  
Systems and methods are provided for determining a channel quality indicator (CQI) for receivers that exhibit non-deterministic behavior during the CQI selection process. A codeword is received...
US20130028244 METHOD AND APPARATUS FOR ADAPTIVE MITIGATION OF NOISE INTERFERENCE  
A method and system for adaptive mitigation of noise interference in a receiver. In one embodiment of the invention, the receiver determines the type of the dominant noise interference among one...
US20130343498 ITERATIVE INTERFERENCE SUPPRESSION USING MIXED FEEDBACK WEIGHTS AND STABILIZING STEP SIZES  
A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication...
US20110200151 Iterative Interference Suppression Using Mixed Feedback Weights and Stabilizing Step Sizes  
A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication...
US20120106609 SYSTEM AND METHOD FOR CHANNEL CLASSIFICATION  
A system and method for classifying a channel with regard to delay spread in a wireless network applying orthogonal frequency division multiplexing. In one embodiment, a wireless receiver includes...
US20140334579 Method and Apparatus for Soft Symbol Generation in a Communication Receiver  
A simplified but accurate soft-symbol determination process represents one of the advantages provided by the example embodiments disclosed herein. In this regard, a mapping function “maps” symbol...
US20110085627 INTERFERENCE REJECTION COMBINING FOR MULTI-USER MIMO TELECOMMUNICATIONS SYSTEM  
Method and apparatus are provided for processing a received signal for making a symbol estimate of a symbol included in a signal transmitted in a Multiple-Input-Multiple-Output (MIMO) system. In...
US20140254648 SYSTEMS AND METHODS FOR DETERMINING A CHANNEL VARIATION METRIC  
A method for determining a channel variation metric by an electronic device is described. The method includes receiving a first packet. The method also includes receiving a second packet. The...
US20110080983 METHOD FOR SUPPRESSION OF OFDM ENERGY SPECTRAL DENSITY FOR MINIMIZATION OF OUT OF BAND EMISSION OR UTILIZATION OF FRACTURED SPECTRUM  
The Energy spectral density of OFDM signals inherently rolls off slowly. Slow OFDM spectral rolloff has system level implications traditionally mitigated by some combination of the following:...
US20130148767 CYCLIC PREFIX AND PRECURSOR JOINT ESTIMATION  
A method of operating a communications system includes generating a channel impulse response estimate based on a first received signal. The method includes selecting a precursor and a cyclic...
US20110122930 OFDM peak-to-average power ratio reduction method  
The OFDM peak-to-average power ratio reduction apparatus and method provides a compressive sensing algorithm that estimates the sparsity pattern of a sparse vector by a limited number of...
US20150207527 COMMUNICATION METHODS AND SYSTEMS FOR NONLINEAR MULTI-USER ENVIRONMENTS  
An electronic receiver comprises a nonlinear distortion modeling circuit and a nonlinear distortion compensation circuit. The nonlinear distortion modeling circuit is operable to determine a...
US20140307838 RECEIVER  
The IRC receiver 10 according to the present invention includes a channel estimation unit 11 that performs a channel estimation process so as to estimate a channel matrix H, a transmission weight...
US20130022160 APPARATUS AND METHOD FOR ADAPTIVE WHITENING IN A MULTIPLE ANTENNA SYSTEM  
An apparatus and method for controlling a whitening function of a whitening Maximum Ratio Combining (MRC) in a receive end of a multiple antenna system are provided. The method includes...
US20110032976 Start-up Procedure Method and Timing Recovery for Receiver of Communication System  
A method for starting up a receiver of a communication system includes training an interference canceller of the receiver, keeping the interference canceller in a tracking state after the...
US20120014465 ITERATIVE CHANNEL ESTIMATION METHOD AND APPARATUS FOR ICI CANCELLATION IN MULTI-CARRIER  
A linear iterative channel estimation scheme and corresponding pilot allocation scheme are provided to perfect a channel model that cancels the Inter-Carrier Interference (ICI) for multi-carrier...
US20130243046 FAST AND ROBUST ESTIMATION OF JOINTLY SPARSE CHANNELS  
A device and method for estimating multipath jointly sparse channels. The method comprises receiving a number K of signal components by a number P of receiving antennas, where P≧2. The method...
US20100278218 METHOD AND SYSTEM FOR MULTI-USER INTERFERENCE CANCELLATION  
Systems and methods for multi-user interference cancellation are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to...
US20080205498 METHOD FOR EDGE FORMATION OF SIGNALS AND TRANSMITTER/RECEIVER COMPONENT FOR A BUS SYSTEM  
A method is provided for edge formation of signals and transmitter/receiver component for a bus system. A transmitter/receiver component for a bus system comprises a driver transistor, which is to...
US20090247073 XM Radio Satellite Reception Without Degrading Coverage in XM Terrestrial Markets  
A system is provided for enhancing coverage for a mobile satellite service, the system comprising a signal threshold comparator module for monitoring a predetermined threshold for a satellite...
US20120076248 Covariance Factor Matrix Reuse  
A method and apparatus for reducing the computational load associated with computing weighting factors for wireless signals received at a wireless receiver is disclosed herein. The method and...
US20130322586 APPARATUS AND METHODS FOR ADAPTIVELY RESUMING RADIO CHANNEL ESTIMATION  
Methods and apparatus for resuming radio channel measurements and estimations after an interruption in reception. In one exemplary embodiment of the present disclosure, an adaptive solution is...
US20140233684 Sparse Channel Detection, Estimation, And Feedback  
Most wireless channels are sparse, so sparse channel-based methods can be used for channel estimation and feedback with much better estimation accuracy and much lower feedback overhead. However,...
US20120163497 CHANNEL ESTIMATION BASED ON LONG TRAINING SYMBOL WITH DOUBLED CYCLIC PREFIX  
In at least some embodiments, a receiver includes channel estimation logic configured to a process a long training field symbol having a doubled cyclic prefix. The channel estimation logic is...
US20110013734 INGRESS NOISE REDUCTION IN A DIGITAL RECEIVER  
The invention provides a device (D2) for reducing ingress noise in a digital signal, comprising a noise predictor (20) for predicting an amount of ingress noise in the digital signal (sn) based on...
US20150092896 POWER ESTIMATION FOR WIRELESS COMMUNICATION DEVICES IN CODE DIVISION MULTIPLE ACCESS SYSTEMS TECHNICAL FIELD  
A wireless communication device for a CDMA system is configured to generate power estimates with reduced estimation bias. The power estimates may be used for delay estimation, MMSE channel...
US20120328059 RECEIVER CIRCUIT AND METHOD  
A receiver circuit includes an estimation unit configured to estimate a noise power of a transmission channel, a calculation unit configured to calculate a decision variable based on the noise...
US20110261911 RECEIVER CAPABLE OF REDUCING LOCAL OSCILLATION LEAKAGE AND IN-PHASE/QUADRATURE-PHASE (I/Q) MISMATCH AND AN ADJUSTING METHOD THEREOF  
An adjusting method for reducing local oscillation leakage or I/Q mismatch in a receiver includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b)...
US20110051852 JOINT DEMODULATION AND INTERFERENCE SUPPRESSION USING SERIAL LOCALIZATION WITH INDECISION  
A receiver includes a constellation processing module and a multi-stage demodulator having a plurality of non-final demodulation stages and a final demodulation stage. The constellation processing...
US20120314822 INTERFERENCE RESISTANT COMPRESSIVE SAMPLING  
Embodiments provide for dramatically improved interference resistance in advanced communications applications, where the frequency range can exceed 1 GHz. Such embodiments may be implemented using...
US20120002767 FAST RESYNCHRONIZATION FOR RECEPTION IN TIME SLICING  
A method and an apparatus for achieving fast resynchronization of received signals in a time slice in DVB-T/H systems. When the clock drift is low, the location of the symbol window can be decided...
US20110228821 ADAPTIVE EQUALIZING REPEATER WITH OUTPUT CONTROL  
A repeater includes at least an adaptive equalizer able to equalize a received signa. An adaptation function that determines the optimal equalizer settings based on the received signal is either...
US20100135442 Adaptive offset adjustment algorithm  
An apparatus and method is disclosed to compensate for one or more offsets in a communications signal. A communications receiver may carry out an offset adjustment algorithm to compensate for the...