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Evaluation of New Trellis Coded Modulation Schemes for Nextage Mobile Communications

Research Project

Project/Area Number 06452241
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 情報通信工学
Research InstitutionKyoto Institute of Technology

Principal Investigator

KASAHARA Masao  Kyoto Institute of Technology, Dept.of Eng.and Design, Professor, 工芸学部, 教授 (30029045)

Co-Investigator(Kenkyū-buntansha) INABA Hiroyuki  Kyoto Institute of Technology, Dept.of Eng.and Design, Assistant, 工芸学部, 助手 (40243117)
WAKASUGI Koichiro  Kyoto Institute of Technology, Dept.of Eng.and Design, Associate Professor, 工芸学部, 助教授 (40135629)
Project Period (FY) 1994 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 1995: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1994: ¥2,800,000 (Direct Cost: ¥2,800,000)
KeywordsTrellis Coded Modulation / Mobile Communication / Multi Dimensional Encoder / pi / 4-shift QPSK / Design of Signal Points / Convolutional Code / Viterbi decoder / Parallel path
Research Abstract

A new design method, which is referred to as the matched design method, for concatenated trellis-coded modulation (TCM) is presented. Most of the conventional concatenated TCM employs TCM designed by maximizing the minimum squared Euclidean free distance, d^2_e. With the matched design method, we maximize d^2_ (t) instead of d^2_e, where d^2_ (t) is the effective minimum squared Euclidean distance (MSED) when the outer code has a t-error correcting capability. The effective MSED is derived from the Euclidean/Hamming (E/H) joint weight distribution of terminated TCM.The new classes of 2-dimensional (2D) codes are found by a computer search. Under the performance measures of the effective MSED or the effective multiplicity, these codes are superior to the conventional codes such as the Ungerboeck's codes when those are used as an inner code.

Report

(3 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] T. Wadayama,K. Wakasugi,M. Kasahara: "An 8-Dimensional Trellis-Coded 8-PSK with Non-zero Crossing Constraint" IEICE Trans. Fundamentals. E77-A,8. 1274-1280 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T. Wadayama,K. Wakasugi,M. Kasahara: "Multi-Dimensional Block Shaping" IEICE Trans. Fundamentals. E78-A,8. 1034-1041 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] K. Wakasugi,N. Minami,M. Kasahara: "A littice quantized coded modulation" Proc. of ISNCR. 295-298 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T. Wadayama,K. Wakasugi,M. Kasahara: "High rate binary coset code used for inner code" IEICE Trans. Fundamentals. E78-A,8. 1034-1041 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 稲葉 宏幸,笠原 正雄: "同期誤り訂正に関する二,三の考察" 情報理論とその応用シンポジウム予稿集. 1. 1-4 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T. Wadayama,K. Wakasugi,M. Kasahara: "Matched Design Method for Concatenated Trellis-Coded Modulation" Proc. International Symposium on Communication'95. 239-246 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.Wadayama, K.Wakasugi, M.Kasahara: ""An 8-Dimensional Trellis-Coded 8-PSK with Non-zero Crossing Constraint"" IEICE Trans.Fundamentals. E77-A,8. 1274-1280 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.Wadayama, K.Wakasugi, M.Kasahara: ""Multi-Dimensional Block Shaping"" IEICE Trans.Fundamentals. E78-A,8. 1034-1041 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] K.Wakasugi, N.Minami, M.Kasahara: ""A lattice quantized coded modulation"" Proc.of ISNCR. 295-298 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.Wadayama, K.Wakasugi, M.Kasahara: ""High rate binary coset code used for inner code"" IEICE Trans.Fundamentals. E78-A,8. 1034-1041 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Inaba, M.Kasahara: ""Notes on Codes for Synchronization Error Correcting"" Proc.of SITA. 1. 1-4 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.Wadayama, K.Wakasugi, M.Kasahara: ""Matched Design Method for Concatenated Trellis-Coded Modulation"" Proc.International Symposium on Communication '95. 239-246 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.Wadayama,K.Wakasugi,M.Kasahara: "An 8-Dimensional Trellis-Coded 8-PSK with Non-zero Crossing Constraint" IEICE Trans. Fundametals. E77-A, 8. 1274-1280 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Wadayama,K.Wakasugi,M.Kasahara: "Multi-Dimensional Block Shaping" IEICE Trans. Fundanmetals. E78-A, 8. 1034-1041 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Wakasugi,M.Kasahara: "A lattice quantized coded modulation" Proc. of ISNCR. 295-298 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Wadayama,K.Wakasugi,M.Kasahara: "High rate binary coset code used for inner code" IEICE Trans. Fundanmetals. E78-A. 8. 1034-1041 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 稲葉宏幸,笠原正雄: "同期誤り訂正に関する二,三の考察" 情報理論とその応用シンポジウ予稿集. 1. 1-4 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Wadayama,K.Wakasugi,M.Kasahara: "Matched Desing Method for Concatenated Trellis-Coded Modulation" Proc. International Symposium on Communication' 95. 239-246 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 和田山 正: "ユークリッド/ハミング結合重み分布を用いて連接化トレリス符号化変調方式の誤り特性解析法" 電子情報通信学会技術研究報告. IT-94. 31-36 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Wadayama: "An 8-dimensional trellis-coded 8-PSK with non-zero crossing constraint" 電子情報通信学会論文誌. E77-A. 1274-1280 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Wadayama: "High Rate Binary Coset Code Used for Inner Code" Proceedings of 17th SITA. 1. 113-116 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] 稲葉 宏幸: "非対称誤り訂正符号に関する二、三の考察" 第17回情報理論とその応用学会シンポジウム予稿集. 1. 117-120 (1994)

    • Related Report
      1994 Annual Research Report

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Published: 1994-04-01   Modified: 2016-04-21  

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