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Class Information
Number: 375/262
Name: Pulse or digital communications > Systems using alternating or pulsating current > Plural channels for transmission of a single pulse train > Quadrature amplitude modulation > Maximum likelihood decoder or viterbi decoder
Description: Subject matter for choosing an estimate code word for each possible received sequence of a demodulation output.










Patents under this class:

Patent Number Title Of Patent Date Issued
8442163 List-viterbi hard iterative decoder for multilevel codes May. 14, 2013
8442162 Method for QR-MLD demodulation May. 14, 2013
8442145 Transmitting terminal and transmit antenna selecting method thereof May. 14, 2013
8442138 Codebook selection for transmit beamforming May. 14, 2013
8442130 Communication apparatus, communication method and integrated circuit May. 14, 2013
8437434 Multi-stream maximum-likelihood demodulation based on bitwise constellation partitioning May. 7, 2013
8437431 Sequential decoder fast incorrect path elimination method and apparatus for pseudo-orthogonal coding May. 7, 2013
8437422 Multi-user MIMO-SDMA for finite rate feedback systems May. 7, 2013
8433004 Low-latency viterbi survivor memory architecture and method using register exchange, trace-back, and trace-forward Apr. 30, 2013
8428173 Demodulation method for MIMO systems Apr. 23, 2013
8428169 MIMO soft demodulation using hard-decision candidate selection Apr. 23, 2013
8428162 System and method for distributed input distributed output wireless communications Apr. 23, 2013
8428159 MIMO receiver using maximum likelihood detector in combination with QR decomposition Apr. 23, 2013
8422598 Method for decoding a signal transmitted in a multi-antenna system, corresponding computer software product and decoding device Apr. 16, 2013
8422581 Multi-antenna transmission device, multi-antenna reception device, multi-antenna transmission method, multi-antenna reception method, terminal device, and base station device Apr. 16, 2013
8422578 Radio transmission apparatus, radio communication base station apparatus, radio communication mobile station apparatus, and transmission signal generating method Apr. 16, 2013
8422574 Base station apparatus, user equipment, and communication control method in mobile communication system Apr. 16, 2013
8422570 Systems and methods for OFDM transmission and reception Apr. 16, 2013
8416893 Systems and methods of improved power amplifier efficiency through adjustments in crest factor reduction Apr. 9, 2013
8416834 Spread spectrum wireless communication code for data center environments Apr. 9, 2013
8413032 Read channel detector for noise cancellation Apr. 2, 2013
8413028 Management of decoding effort in an iterative decoding scenario Apr. 2, 2013
8411803 Method and apparatus for modulation recognition in communication system Apr. 2, 2013
8411778 Optimal linear equalizer for MIMO systems with HARQ and/or repetition coding Apr. 2, 2013
8411776 System and method for quantization of channel state vectors Apr. 2, 2013
8411775 Iterative demapper Apr. 2, 2013
8411770 Base station device, mobile terminal device, wireless communication system, and wireless communication method Apr. 2, 2013
8411730 Semiconductor integrated communication circuit and operation method thereof Apr. 2, 2013
8408475 Flexible rate matching Apr. 2, 2013
8407572 Viterbi decoder and writing and reading method Mar. 26, 2013
8406349 Method and apparatus for receiving signal for MIMO system Mar. 26, 2013
8406333 Method for transmitting signal in multiple antenna system Mar. 26, 2013
8406330 Advanced LLR processor for wireless telecommunication system Mar. 26, 2013
8406328 Method and apparatus for feedback in closed loop transmitting Mar. 26, 2013
8401122 Sphere decoding of symbols transmitted in a telecommunication system Mar. 19, 2013
8401110 Transmission method, transmitter apparatus and reception method Mar. 19, 2013
8401109 Methods for sending and receiving a multicarrier signal comprising a preamble comprising data elements, corresponding devices and computer products Mar. 19, 2013
8401103 Parallel decoder Mar. 19, 2013
8401102 Joint constellation multiple access Mar. 19, 2013
8401096 Communication system and method of operations therefor Mar. 19, 2013
8401095 Apparatus for transmitting data using carriers and method thereof Mar. 19, 2013
8400271 RFID receiver Mar. 19, 2013
8397150 Method, apparatus and computer program for calculating a branch metric Mar. 12, 2013
8396169 Channel estimation method of the mobile communication system based on the time division pilot field Mar. 12, 2013
8396162 Method and apparatus for choosing a modulation and coding rate in a multi-user, MIMO communication system Mar. 12, 2013
8396155 Advanced method for decoding in the MIMO system and apparatus for implementing thereof Mar. 12, 2013
8392789 Method and system for decoding low density parity check codes Mar. 5, 2013
8391424 Method and system for UMTS HSDPA shared control channel processing Mar. 5, 2013
8391423 Estimating method for maximum channel delay and cyclic prefix (CP) averaging method in OFDM receiver Mar. 5, 2013
8391395 Precoder codebooks for effective channels with structured frequency-selectivity Mar. 5, 2013











 
 
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