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Sliding window turbo decoder

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-027/06
출원번호 US-0617194 (2000-07-17)
발명자 / 주소
  • Xu, Shuzhan J.
출원인 / 주소
  • Motorola, Inc.
대리인 / 주소
    Mancini Brian M.
인용정보 피인용 횟수 : 64  인용 특허 : 3

초록

Decoding signals represented by a trellis of a block length divided into windows includes a step of decoding a portion of the trellis using backward recursion starting from a point that is after the end of a window backwards to the end of the window, defining a learning period, to determine a known

대표청구항

1. A method of reducing calculations in the decoding of a received convolutionally coded signal represented by a trellis of a predetermined block length, the method comprising the steps of:a) dividing the trellis into windows;b) selecting a first window of the trellis having a known first state metr

이 특허에 인용된 특허 (3)

  1. Karen J. Stephen ; Hon W. Lam ; Jonathan Cromwell, Method and apparatus for encoding and decoding a turbo code in an integrated modem system.
  2. Inyup Kang, Partitioned interleaver memory for map decoder.
  3. Viterbi Andrew J. ; Sindhushayana Nagabhushana T., Soft decision output decoder for decoding convolutionally encoded codewords.

이 특허를 인용한 특허 (64)

  1. McCloud, Michael L.; Nagarajan, Vijay, Advanced signal processors for interference cancellation in baseband receivers.
  2. McCloud, Michael L.; Nagarajan, Vijay, Advanced signal processors for interference cancellation in baseband receivers.
  3. McCloud, Michael L.; Nagarajan, Vijay, Advanced signal processors for interference cancellation in baseband receivers.
  4. Jang, Min-Ho; Kang, Hee-Won; Kwak, Seung-Hyun; Kwon, Pil-Sung; Yang, Jae-dong; Choi, Young-Kwan, Apparatus and method for decoding in communication system.
  5. Yu,Nam Yul; Kim,Min Goo, Apparatus and method for error correction in a CDMA mobile communication system.
  6. Yu, Nam-Yul; Kim, Min-Goo; Choi, Soon-Jae; Kim, Beong-Jo; Lee, Young-Hwan, Apparatus and method for stopping iterative decoding in a CDMA mobile communication system.
  7. Park,Sung Jin; Kim,Min Goo; Choi,Soon Jae, Apparatus and method for turbo decoding using a variable window size.
  8. Berens,Friedbert; Kreiselmaier,Gerd, Combined turbo-code/convolutional code decoder, in particular for mobile radio systems.
  9. Sha, Li; Tsai, Ching-Han; Chen, Chi-Kuang; Luo, Yaojun; Su, Guan-Ming; Zhou, Ye, Deblocking filtering.
  10. Qian, Haoli; Wu, Xing, Decision feedback equalization for signals having unequally distributed patterns.
  11. Kim, Seok Chan, Decoder and method for performing decoding operation using map algorithm in mobile communication system.
  12. Ku, Yu-Hsien, Decoding method for convolutionally coded signal.
  13. Sim,Myung Sub, Device and method for decoding turbo codes.
  14. Drory, Guy; Bercovich, Ron; Kazaz, Yosef; Livay, Aviel; Naor, Yonatan; Neeman, Yuval, Device having turbo decoding capabilities and a method for turbo decoding.
  15. Banerjea, Raja; Goel, Sandesh; Kopikare, Milind, Discovery-phase power conservation.
  16. Okamura,Toshihiko; Anada,Hiroaki, Error correction code decoding device.
  17. Valadon, Cyril, Format detection.
  18. Zhao, Qing; Song, Leilei; Li, Chuxiang, Frame synchronization techniques.
  19. Zhao, Qing; Song, Leilei; Li, Chuxiang, Frame synchronization techniques.
  20. Govindarajulu, Sarath Babu, High throughput and low latency map decoder.
  21. McCloud, Michael L.; Nagarajan, Vijay, Interference suppression for CDMA systems.
  22. Allpress, Steve; Hegarty, Colman; Luschi, Carlo, Iterative decoding of signals received over a noisy channel using forward and backward recursions with warm-up initialization.
  23. Guess, Tommy; McCloud, Michael L.; Nagarajan, Vijay; Lamba, Gagandeep Singh, Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas.
  24. Guess, Tommy; McCloud, Michael L.; Nagarajan, Vijay; Lamba, Gagandeep Singh, Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas.
  25. Guess, Tommy; McCloud, Michael L.; Nagarajan, Vijay; Lamba, Gagandeep Singh, Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas.
  26. Wang, Yi-Pin Eric; Cheng, Jung-Fu; Grant, Stephen; Bottomley, Gregory Edward, Joint multi-code detectors in CDMA communications system.
  27. Goel, Sandesh; Shukla, Ashish Kumar, Mesh network operations.
  28. Goel, Sandesh; Shukla, Ashish Kumar, Mesh network operations.
  29. Zhao, Qing; Shen, Manyuan; Song, Leilei; Lou, Hui-Ling, Method and apparatus for detecting a boundary of a data frame in a communication network.
  30. Sharma, Naresh; Ashikhmin, Alexei, Method and apparatus for generating a channel estimate using a non-pilot portion of a signal.
  31. Gueguen,Arnaud, Method and device for optimising, under performance constraint, the size of blocks of coded data.
  32. Blankenship, Thomas Keith; Classon, Brian Keith; Desai, Vipul Anil, Method and system for adapting a training period in a turbo decoding device.
  33. Blankenship,Thomas Keith; Classon,Brian Keith; Desai,Vipul Anil, Method and system for initializing a training period in a turbo decoding device.
  34. Finn,Lutz; R?ssel,Sabine; Steib,Gerhard, Method for decoding data sequence encoded with aid of binary convolution code.
  35. Galili, Patrick; Pilot, Laurent; Ancora, Andrea, Method for decoding data using windows of data.
  36. Anekoji, Fumio, Method for generating soft decision signal from hard decision signal in a receiver system.
  37. Thomas, John K.; McCloud, Michael L; Nagarajan, Vijay, Optimal feedback weighting for soft-decision cancellers.
  38. Hepler, Edward L.; Starsinic, Michael F., Pipeline architecture for maximum a posteriori (MAP) decoders.
  39. Hepler, Edward L.; Starsinic, Michael F., Pipeline architecture for maximum a posteriori (MAP) decoders.
  40. Hepler,Edward L.; Starsinic,Michael F., Pipeline architecture for maximum a posteriori (MAP) decoders.
  41. Mahaffy, Brian; Stokes, DeVerl; Asbury, Raymond C., Pre-association discovery.
  42. Saado,Alon; Shen,Qiang, Read enable generator for a turbo decoder deinterleaved symbol memory.
  43. Hekstra, Andries Pieter; Dielissen, Johannus Theodorus Matheus Hubertus, SISO decoder with sub-block processing and sub-block based stopping criterion.
  44. Krieger,Abraham; Murali,Ramaswamy; Eidson,Donald Brian; Kons,Sachar, SNR-related parameter estimation method and system.
  45. Kamuf, Matthias; Ang, Lay Hong; Lim, Wee Guan, Soft output Viterbi algorithm method and decoder.
  46. McCloud, Michael L; Nagarajan, Vijay, Soft weighted interference cancellation for CDMA systems.
  47. Rodriguez,Michael J., Soft-decision metric generation for higher order modulation.
  48. Lo, Chiaming; Yang, Ganning; Weng, Yi, System and method for decoding a received data sequence.
  49. Lo, Chiaming; Yang, Ganning; Weng, Yi, System and method for forward and backward recursive computation.
  50. van Nee, Didier Johannes Richard; Jones, IV, Vincent Knowles; Awater, Geert Arnout; Gardner, James, System for soft symbol decoding MIMO log-map detection.
  51. Roberts, Brian Lee; Grobaski, Kenneth C; Narayan, Anand P, Systems and methods for control of receivers.
  52. Ahmed,Walid; Gonzalez,Juan G.; Manji,Salim; Paredes,Jose Luis, Systems and methods for correcting errors in a received frame.
  53. Galili, Patrick; Capella, Laurent, Turbo decoder input reordering.
  54. Wolf,Tod D.; Mondragon Torres,Antonio F.; Gatherer,Alan, Turbo decoder prolog reduction.
  55. Lu,Jin; Chun,Joon Hwa; Hokenek,Erdem; Moudgill,Mayan, Turbo decoder using parallel processing.
  56. Sindhushayana,Nagabhushana T.; Wolf,Jack K., Turbo decoding method and apparatus for wireless communications.
  57. Obuchii, Kazuhisa; Yano, Tetsuya, Turbo decoding method and turbo decoding apparatus.
  58. Nagase,Taku; Oki,Noboru, Turbo-code decoding using variably set learning interval and sliding window.
  59. Choi, Joonsang; Juluri, Rajesh, Use of previously buffered state information to decode in an hybrid automatic repeat request (H-ARQ) transmission mode.
  60. Choi, Joonsang; Juluri, Rajesh, Use of previously buffered state information to decode in an hybrid automatic repeat request (H-ARQ) transmission mode.
  61. Huang,Everest W.; Gatherer,Alan; Muharemovic,Tarik, Using SISO decoder feedback to produce symbol probabilities for use in wireless communications that utilize turbo coding and transmit diversity.
  62. Brunn, Brian; Leroux, Marc; Uehara, Gregory, WCDMA modulation.
  63. Shukla, Ashish Kumar; Goel, Sandesh, Wakeup beacons for mesh networks.
  64. Banerjea, Raja, Wireless device communication in the 60 GHz band.
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