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US Patent 6598204 - System and method of turbo decoding

US Patent Issued on July 22, 2003
Estimated Patent Expiration Date: Icon_subject February 18, 2020Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

Methods and architectures for turbo decoding are presented. The methods are such that low energy consumption is obtained with reduced memory requirements. Moreover the methods show improved performance with respect to latency.

Other References

  • Halter S, et al. "Reconfigurable signal Processor for Channel Cording & Decoding in Low SNR Wireless Communications." IEEE Workshop in Signal Processing Systems, SIPS, Design and Implementation, Oct. 8, 1998, pp. 260-274
  • Hsu J-M, et al. "A Parallel Decoding Scheme for Turbo Codes." ISCAS 1998. Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, Monterey, CA, May 31-Jun. 3, 1998, New York, NY: IEEE, US, vol. 1, May 31, 1998, pp. 445-448
  • Schurgers, et al. "Energy Efficient Data Transfer and Storage Organization for a MAP Turbo Decoder Module." Proceedings 1999 International Symposium on Low Power Electronics and Design. San Diego, CA, Aug. 16-17, 1999, International Symposium on Low Power Electronics and Design, New York, NY: ACM, US, Aug. 16, 1999, pp. 76-81
  • Viterbi A. J., "An Intuitive Justification and a Simplified Implementation of the Map Decoder for Convolutional Codes," IEEE Journal on Selected Areas in Communications, IEEE Inc., New York, US vol. 16, No. 2, Feb. 1, 1998, pp. 260-264
  • European Search Report. Application No. EP 00 20 0557. Date of Completion, May 28, 2002
  • Joeressen, et al., "High-Speed VLSI Architectures for Soft-Output Viterbi Decoding", vol. 8, No. 2, 1994 pps. 169-181
  • Garrett, et al., "Low Power Architecture of the Soft-Output Viterbi Algorithm", ISLPED 1998, pps. 262-267
  • Berrou, et al., Near Shannon Limit Srror-Correcting Coding and Decoding: Turbo-Codes (1), IEEE, 1993, pps. 1064-1070
  • S. Pietrobon, "Efficient Implementation of Continuous MAP Decoders and a Synchronisation Technique for Turbo Decoders", Int. Symp. on Inform. Theory and its Applications, Sep. 1996, pps. 586-58

Inventors

Assignee

Application

No. 507545 filed on 02/18/2000

US Classes:

714/795Viterbi decoding

Field of Search

714/795, Viterbi decoding714/796Branch metric calculation

Examiners

Primary: Decady, Albert
Assistant: Chase, Shelly A

Attorney, Agent or Firm

US Patent References

5933462Soft decision output decoder for decoding convolutionally encoded codewords
Issued on: 08/03/1999
Inventor: Viterbi, et al.

Foreign Patent References

  • 0 827 284 EP. 03/09/1998
  • WO 96/13105 WO. 05/09/1996

International Class

H03M 013/00

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