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9042471 Receiving device, signal processing device, and signal processing method  
A receiving device according to the present invention includes: a receiver for receiving an OFDM symbol that is modulated by phase shift keying; an FFT processor for applying an FFT process to the...
9042491 Systems, apparatus, and methods for receiving paging messages by creating fat paths in fast fading scenarios  
This disclosure provides systems, methods, and apparatus for receiving paging messages in fast fading scenarios. In one aspect, a method of demodulating a paging message during an assigned time...
9042493 Method and apparatus for iteratively detecting and decoding signal in communication system with multiple-input and multiple-out (MIMO) channel  
A communication apparatus with a multiple-input and multiple-output (MIMO) channel, includes a minimum mean square error (MMSE) detector configured to estimate quadrature amplitude modulation...
9036742 Signal processing method  
A demapping scheme, having a low computational cost, suitable for any transmission in which only exhaustive demapping can guarantee good performance. The scheme, proposed in this document, can be...
9037187 Interference cancellation receiver and method  
A method of receiving a signal formed from information bits propagated through a channel, which has been subjected to interference, the method comprising the steps of: (a) filtering the received...
9036744 Enhanced reception of precoding vector switching (PVS)  
A method includes, in a mobile communication terminal, receiving a signal including multiple instances of a synchronization signal transmitted in multiple respective time periods, wherein each...
9036738 Receiving device and receiving method  
A receiving device including: a demodulation circuit configured to generate first likelihood data of reception symbols based on a transmission format of the reception symbols, the transmission...
9036743 System and method for performing maximum ratio combining on a plurality of received symbols  
A system for performing maximum ratio combining on a plurality of symbols corresponding to a transmitted symbol. A plurality of antennas is configured to receive, via respective communication...
9031145 Low complexity technique for log-likelihood ratio computation  
Systems and methods for detecting data in a multiple input/multiple output signal. The method includes receiving a first signal associated with a first data value and a second signal associated...
9031172 Equalizing method and device for a non-linear transmission channel  
The present invention relates to a method for equalizing modulation symbols transmitted on a non-linear transmission channel. The equalizing method operates on a sequence of observables, each...
9032276 Method and system for generation of a tie-breaking metric in a low-density parity check data encoding system  
The present invention includes generating a tie-breaking metric via a comparative tie-breaking metric training process, monitoring an output of a channel detector in order to identify a tie...
RE45506 Enhanced VSB Viterbi decoder  
An enhanced VSB receiver includes a tuner which tunes an RF signal and converts it into an IF signal, an IF mixer which converts the IF signal into a baseband signal, and a demodulator which...
9026876 Pattern-dependent short media defect detection  
Systems and methods for computing sign disagreement between signals may implement one or more operations including, but not limited to: receiving an extrinsic log likelihood ratio (LLR) value;...
9026880 Decoding apparatus and decoding method for decoding LDPC-encoded data  
A check node processing unit updates an extrinsic value ratio based on a prior value ratio for each row of a parity check matrix with respect to input data. An identifying unit identifies, based...
9025704 Methods and apparatus for generating demodulation candidates using vector candidate sampling (VCS)  
Certain aspects of the present disclosure relate to techniques for generating likely demodulation candidates using Vector Candidate Sampling (VCS). VCS is used to generate high likelihood...
9020062 Maximal ratio combining of equalized symbols for MIMO systems with HARQ and/or repetition coding  
Systems and methods are provided for decoding signal vectors in multiple-input multiple-output (MIMO) systems, where the receiver has received one or more signal vectors based on the same...
9020076 Communication apparatus, method and system  
A communication apparatus, method, and system are provided. The communication apparatus receives through a transmission path a combined signal in which modulated signals are combined. The...
9008240 Near maximum likelihood spatial multiplexing receiver  
This invention is related to a low-complexity MIMO detector in a wireless communication system with near optimal performance. An initial symbol estimation is performed for a received symbol...
9008238 Apparatus, method and receiving terminal for LDPC decoding  
An apparatus and a method for Low-density parity-check (LDPC) decoding are provided. The apparatus for LDPC decoding comprises a post effective noise variance estimation unit for estimating a post...
9008239 Collision detection using a multiple symbol noncoherent soft output detector  
Systems and methods for detecting collisions in radio frequency tags in accordance with embodiments of the invention are disclosed. In one embodiment, a receiver system includes a receiver...
9008245 Optimal symbol detection in the presence of non-gaussian interference  
Techniques are provided for detecting a coded signal in the presence of non-Gaussian interference. In an embodiment, a primary transmitter corresponds to a desired transmitter, and one or more...
9008242 Parallel execution of trellis-based methods using overlapping sub-sequences  
A receiver system and method for recovering information from a symbol data sequence Y. The symbol data sequence Y corresponds to a symbol data sequence X that is transmitted onto the channel by a...
9008237 Method and device for symbol detection  
A method for symbol detection includes assigning a received symbol to at least one particular candidate symbol of a set of candidate symbols of a finite candidate symbol alphabet based on a metric...
9008241 Low complexity near optimal two spatial stream maximal likelihood detector  
Methods, apparatuses, and systems are provided for generating a candidate search set for ML detection of 2n-QAM signals transmitted on two or more MIMO spatial streams. A method includes...
8995582 Priori training in a mobile DTV system  
An apparatus for decoding digital data includes a processor for recreating a priori training information received with the digital data for provision to a maximum a posteriori (MAP) decoder. The...
8995581 Apparatus and method for soft demapping  
Provided are a soft demapping apparatus and method that may cancel interference included in a rotated quadrature amplitude modulation (QAM) signal, using at least one interference cancellation...
8995584 Multi-stream demodulation scheme using multiple detectors  
In a method of demodulating a signal transmitted via a multiple input multiple output (MIMO) communication channel, a data symbol vector is received at a communication device, the data vector...
8995583 Decoding technique for tail-biting codes  
A technique for decoding a signal in a communication network is provided. A method implementation of the technique comprises the steps of receiving a signal; identifying a position in the signal;...
8996445 Collaborative targeted maximum likelihood learning  
A method is provided comprising: determining one or more initial distribution estimators of a true probability distribution; determining for each series of estimators of a nuisance parameter;...
8989320 Hardware simplification of sic-MIMO decoding by use of a single hardware element with channel and noise adaptation for interference cancelled streams  
Certain aspects of the present disclosure relate to a method and an apparatus for simplified serial interference cancellation in multiple-input multiple-output (MIMO) and non-MIMO wireless systems...
8989252 Methods and apparatus for power efficient iterative equalization  
Systems and methods for power efficient iterative equalization on a channel are provided. An iterative decoder decodes received data from a channel detector using a decoding process. The decoder...
8983010 Single carrier communication in dynamic fading channels  
Briefly, in accordance with one or more embodiments, in response to receiving a single carrier signal that is not phase locked, channel equalization may be applied to the signal via a channel...
8983009 Efficient demapping of constellations  
Methods and apparatus for efficient demapping of constellations are described. In an embodiment, these methods may be implemented within a digital communications receiver, such as a Digital...
8983008 Methods and apparatus for tail termination of turbo decoding  
Methods and apparatus for trellis termination of a turbo decoder are disclosed which simplifies the hardware implementation. As a given example, backward state metrics, which is required to be...
8981908 RFID systems with low complexity implementation and pallet coding error correction  
Systems and methods for decoding data transmitted by RFID tags are disclosed. One embodiment of the invention includes an analyzer and equalizer configured to filter an input signal, an estimation...
8976911 Joint sequence estimation of symbol and phase with high tolerance of nonlinearity  
A method and system for a sequence estimation in a receiver, such as for use when receiving a sample of a received inter-symbol correlated (ISC) signal corresponding to a transmitted vector of L...
8976912 Decoding apparatus and decoding method  
A decoding apparatus including an operation unit to calculate a branch metric between first and second instants of time based on receiving likelihood data and an anterior likelihood, and to use,...
8976888 Method for uplink multi-user cooperation communication  
The present invention discloses a method for uplink multi-user cooperation communication, including a first, and a second source node and a target node. When transmitting a signal to the target...
8976909 Nonlinear detectors for channels with signal-dependent noise  
A non-linear detector for detecting signals with signal-dependent noise is disclosed. The detector may choose a data sequence that maximizes the conditional probability of detecting the channel...
8976910 Methods, systems, and computer readable media for smart decoding of downlink signals in the presence of interference caused by reference signals of different generation air interface equipment  
The subject matter described herein relates to methods, systems, and computer readable media for smart decoding of downlink signals in the presence of interference caused by reference signals of...
8971396 Windowed-based decision feedback equalizer and decision feedback sequence estimator  
A method and system are provided for performing Decision Feedback Equalization (DFE) and Decision Feedback Sequence Estimation (DFSE) in high-throughput applications that are not latency critical....
8971459 Receiver and method for incorporating channel state information into maximum ratio combining of a plurality of received signals  
A receiver including a plurality of receiver pathways. The plurality of receiver pathways are configured to receive, via respective receive antennas, a radio frequency signal transmitted over a...
8972836 Method and system for forward error correction decoding with parity check for use in low complexity highly-spectrally efficient communications  
A receiver receives an inter-symbol correlated (ISC) signal with information symbols and a corresponding parity symbol. Values of information symbols are estimated utilizing parity samples that...
8964908 Receiver circuit and method for detecting data  
A method includes a first step of receiving a signal on the basis of a mobile communications standard supporting multiple predefined modulation alphabets and a second step of detecting data of the...
8964909 Maximizing data rate by adjusting codes and code rates  
The present invention provides for making code rate adjustments and modulation type adjustments in a pseudonoise (PN) encoded CDMA system. Coding rate adjustments may be made by changing the...
8958505 Communication apparatus  
The present invention is directed to reduction of operation amount of likelihood calculation (LLR calculation) in a communication apparatus for performing communications using an extended mapping...
8958503 Demodulation that accounts for channel estimation error  
A method includes determining a mean square error σh2 of an estimate h of a communication channel, and receiving a data symbol y. The received data symbol y corresponds to a data symbol x...
8958506 FSK/MSK decoder  
A decoder for a modulation scheme is configured to operate close to the radio noise floor. A correlation value may be constantly updated, in an effort to match to a signature to a preamble of a...
8953667 Communication system with modulation classifier and method of operation thereof  
A method of operation of a communication system includes: calculating a shift distance of a received signal having a distortion; calculating an approximate likelihood of the received signal...
8953702 Precoding matrix index selection process for a MIMO receiver based on a near-ML detection, and apparatus for doing the same  
A process selects a Precoding Matrix Index (PMI) in a Multiple In Multiple Out (MIMO) receiver used in a wireless communications system including a base station communicating with User Equipments...