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Class Information
Number: 714/795
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Digital data error correction > Forward error correction by tree code (e.g., convolutional) > Viterbi decoding
Description: Subject matter where data is not decoded as soon as it is received, instead, a sequence of data, having a predetermined decoding depth, following the digit to be decoded is first collected, then, by computing what are known as path metrics, a limited number of possible messages are selected, each extending throughout the decoding depth far beyond the digit presently to be decoded, with one such survivor sequence ending in each of the data states.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620879 |
Method of detecting occurrence of error event in data and apparatus for the same |
Nov. 17, 2009 |
| 7620881 |
System and method for communicating data using iterative equalizing and decoding and recursive inner code |
Nov. 17, 2009 |
| 7620882 |
Decoder and decoding method for decoding a code by selecting a path out of paths in a trellis diagram |
Nov. 17, 2009 |
| 7620128 |
Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes |
Nov. 17, 2009 |
| 7617440 |
Viterbi traceback initial state index initialization for partial cascade processing |
Nov. 10, 2009 |
| 7616713 |
System and method for forward and backward recursive computation |
Nov. 10, 2009 |
| 7613989 |
Decoder for executing a Viterbi algorithm |
Nov. 3, 2009 |
| 7609777 |
Maximum likelihood a posteriori probability detector |
Oct. 27, 2009 |
| 7609615 |
Method and apparatus for performing channel compensation and symbol demodulation for coherent demodulation in an OFDM system |
Oct. 27, 2009 |
| 7609787 |
Reception of a signal modulated according to a multilevel coding technique |
Oct. 27, 2009 |
| 7607073 |
Methods, algorithms, software, circuits, receivers and systems for iteratively decoding a tailbiting convolutional code |
Oct. 20, 2009 |
| 7607072 |
Method and apparatus for-soft-output viterbi detection using a multiple-step trellis |
Oct. 20, 2009 |
| 7606336 |
Viterbi decoder using circulation type decoding units connected in parallel |
Oct. 20, 2009 |
| 7603611 |
Maximum likelihood decoding device, signal evaluating method, and reproducing apparatus |
Oct. 13, 2009 |
| 7603612 |
System and method for communicating data using iterative equalizing and decoding and recursive inner code |
Oct. 13, 2009 |
| 7603613 |
Viterbi decoder architecture for use in software-defined radio systems |
Oct. 13, 2009 |
| 7596182 |
Optimum symbol timing estimation with various performance measures for OFDM systems |
Sep. 29, 2009 |
| 7594161 |
Map decoding |
Sep. 22, 2009 |
| 7590928 |
Apparatus and method for Viterbi decoding |
Sep. 15, 2009 |
| 7590927 |
Soft output viterbi detector with error event output |
Sep. 15, 2009 |
| 7590926 |
Decoding apparatus, decoding method, program-recording medium, program and recording/reproduction apparatus |
Sep. 15, 2009 |
| 7590921 |
Data communication system and method |
Sep. 15, 2009 |
| 7590201 |
Method for detecting signal in multiple input multiple output system and receiving device of multiple input multiple output system |
Sep. 15, 2009 |
| 7590197 |
Correction circuit for improving performance in a channel decoder |
Sep. 15, 2009 |
| 7590929 |
Record reproduction method, apparatus, and circuit for using error correcting code |
Sep. 15, 2009 |
| 7587660 |
Multiple-access code generation |
Sep. 8, 2009 |
| 7583747 |
Method of systematic construction of space-time constellations, system and method of transmitting space-time constellations |
Sep. 1, 2009 |
| 7584407 |
Decoder and method for performing decoding operation using map algorithm in mobile communication system |
Sep. 1, 2009 |
| 7584408 |
Viterbi path generation for a Dynamic Bayesian Network |
Sep. 1, 2009 |
| 7581160 |
ACS circuit and Viterbi decoder with the circuit |
Aug. 25, 2009 |
| 7576935 |
Apparatus for recording and regenerating data |
Aug. 18, 2009 |
| 7570720 |
FEC scheme for encoding two bit-streams |
Aug. 4, 2009 |
| 7571369 |
Turbo decoder architecture for use in software-defined radio systems |
Aug. 4, 2009 |
| 7571376 |
Viterbi decoder for executing trace-back work in parallel and decoding method |
Aug. 4, 2009 |
| 7564913 |
Divisionless baseband equalization in symbol modulated communications |
Jul. 21, 2009 |
| 7564930 |
Method and apparatus for implementing a traceback processor for trellis decoding in a Viterbi decoder |
Jul. 21, 2009 |
| 7565600 |
Method for determining output signals of a Viterbi decoder |
Jul. 21, 2009 |
| 7558343 |
Tap-selectable viterbi equalizer |
Jul. 7, 2009 |
| 7555070 |
Parallel maximum a posteriori detectors that generate soft decisions for a sampled data sequence |
Jun. 30, 2009 |
| 7549106 |
Decoding method |
Jun. 16, 2009 |
| 7549113 |
Turbo decoder, turbo decoding method, and operating program of same |
Jun. 16, 2009 |
| 7545890 |
Method for upstream CATV coded modulation |
Jun. 9, 2009 |
| 7539273 |
Method for separating interfering signals and computing arrival angles |
May. 26, 2009 |
| 7536630 |
Reconfigurable Viterbi/turbo decoder |
May. 19, 2009 |
| 7533329 |
Method for simplifying a viterbi decoder and a simplified viterbi decoder using the same |
May. 12, 2009 |
| 7530011 |
Turbo decoding method and turbo decoding apparatus |
May. 5, 2009 |
| 7530010 |
Hybrid trace back apparatus and high-speed viterbi decoding system using the same |
May. 5, 2009 |
| 7529323 |
Quaternary precoded continuous phase modulation soft bit metric demodulator |
May. 5, 2009 |
| 7526037 |
Reduced complexity detector for multiple-antenna systems |
Apr. 28, 2009 |
| 7526053 |
Sequence detector using viterbi algorithm with soft output error correction |
Apr. 28, 2009 |
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