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Class Information
Number: 375/341
Name: Pulse or digital communications > Receivers > Particular pulse demodulator or detector > Maximum likelihood decoder or viterbi decoder
Description: Subject matter wherein a decoding method is used 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
7421046 Method and apparatus for signal decoding in a diversity reception system with maximum ratio combining Sep. 2, 2008
7421035 Soft symbol decoding for MIMO communication systems with reduced search complexity Sep. 2, 2008
7421034 Parallel concatenated code with soft-in soft-out interactive turbo decoder Sep. 2, 2008
7418052 Iterative turbo decision feedback receiver Aug. 26, 2008
7418042 Repetition coding for a wireless system Aug. 26, 2008
7418034 Combined trellis decoder and decision feedback equalizer Aug. 26, 2008
7415263 Receiver for a wireless communication device Aug. 19, 2008
7415079 Decoder design adaptable to decode coded signals using min* or max* processing Aug. 19, 2008
7415001 Method and receiver for processing a multi-user signal Aug. 19, 2008
7414522 Adaptive decode strategy for remote keyless entry and tire pressure monitoring system Aug. 19, 2008
7412011 Joint ratio estimation and weights detection in closed loop transmit diversity Aug. 12, 2008
7409622 System and method for reverse error correction coding Aug. 5, 2008
7409017 Signal separator Aug. 5, 2008
7409006 Parallel concatenated code with soft-in-soft-out interactive turbo decoder Aug. 5, 2008
7397871 Estimation of single-to-noise ratio by processing measured error vector magnitude Jul. 8, 2008
7397411 Method, apparatus, system, and program for code conversion transmission and code conversion reception of audio data Jul. 8, 2008
7395492 Method and apparatus for detecting a packet error in a wireless communications system with minimum overhead using tail bits in turbo code Jul. 1, 2008
7395487 Common circuitry supporting both bit node and check node processing in LDPC (Low Density Parity Check) decoder Jul. 1, 2008
7394873 Adaptive channel estimation for orthogonal frequency division multiplexing systems or the like Jul. 1, 2008
7394755 Semi-fixed circuit Jul. 1, 2008
7392463 Data reproducing apparatus avoiding selection of incorrect path Jun. 24, 2008
7391826 Decoding method and apparatus Jun. 24, 2008
7388938 Method for bit-byte synchronization in sampling a data string Jun. 17, 2008
7388925 Carrier constellation information in multi-carrier systems Jun. 17, 2008
7388924 Method and apparatus for equalization and decoding in a wireless communications system including plural receiver antennae Jun. 17, 2008
7386779 Systems and methods for correcting errors in a received frame Jun. 10, 2008
7386068 Decoder and receiver Jun. 10, 2008
7386063 Voting block for identifying WLAN signal modulation type Jun. 10, 2008
7386056 Method to increase performance of secondary data in a hierarchical modulation scheme Jun. 10, 2008
7382831 Viterbi decoder utilizing compressed survival metrics for reduced memory size requirements Jun. 3, 2008
7382828 Channel impulse response (CIR) estimating decision feedback equalizer with phase tracker Jun. 3, 2008
7380199 Method and apparatus for precomputation and pipelined selection of branch metrics in a reduced-state Viterbi detector May. 27, 2008
7376882 Adaptable channel compensation for reliable communication over fading communication links May. 20, 2008
7376209 Method and apparatus for near-optimal scaling of log-likelihood ratio (LLR) computation in turbo decoding for hybrid automatic repeat request (ARQ) May. 20, 2008
7376207 Apparatus for receiving and recovering frequency shift keyed symbols May. 20, 2008
7376195 Digital communication systems having decreased memory May. 20, 2008
7372923 Method for equalization of a payload signal, taking into account an interference source May. 13, 2008
7372922 RSSE optimization using hardware acceleration May. 13, 2008
7372921 Apparatus and method for channel encoding/decoding in a communication system May. 13, 2008
7370266 Digital signal decoding device and digital signal decoding method May. 6, 2008
7370265 Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple maps May. 6, 2008
7369615 Soft demodulation method and apparatus May. 6, 2008
7366261 Separate FEC decoding and iterative diversity reception Apr. 29, 2008
7366260 Efficient MLSE equalizer implementation Apr. 29, 2008
7366259 Channel estimator Apr. 29, 2008
7366246 Method to maximize receiver performance in a multi-stream system Apr. 29, 2008
RE40256 Communication system Apr. 22, 2008
7359464 Trellis decoder and method of decoding Apr. 15, 2008
7359463 Code sensing method and apparatus Apr. 15, 2008
7359446 Methods and devices for decoding signals containing noise and distortion Apr. 15, 2008



 
 
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