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Turbo码的定点Max-Log-MAP译码算法 被引量:3

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摘要 阐述了Turbo码的对数域迭代译码算法,并针对定点运算的特点进行了改进。仿真结果表明,采用6比特量化输入、4轮迭代的定点运算译码,其性能接近于浮点Max-Log-MAP译码算法。
作者 王强 孙锦涛
出处 《无线电通信技术》 2002年第4期21-23,共3页 Radio Communications Technology
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参考文献2

  • 1Ho. M. S,Pietrobon. S. S,Giles. T.Improving the Constituent Codes of Turbo Encoders.In: IEEE GTC’98. Sydney[].Australia.1998
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同被引文献17

  • 1聂远飞,王勇,葛建华.级联码迭代译码的定点量化设计[J].电路与系统学报,2007,12(3):52-56. 被引量:1
  • 2Chen Yuan, Lin Yuwei, Tsao Y C, et al. A 2. 4-Gsample/s DVFS FFT processor for MIMO OFDM communica- tion systems [ J]. IEEE Journal of Solid-State Circuits, 2008, 43(5) : 1260-1273.
  • 3Liu Yang, Peng Mugen, Wang Wenbo. A forwarding scheme by superposition coding for wireless relaying [ C ]//PIMRC'09. Tokyo: [s.n. ], 2009: 1367-1370.
  • 4Chang Haijiao, Jin Hao, Zhang Xing, et al. A software defined radio scheme for the hierarchical modulation based multimedia broadcast system using USRP [ C ] // WiCOM2010. Chengdu: [s.n,], 2010: 1-5.
  • 5C Berrou, A Glaxieux, P Thitimasjshima. Near Shannon limit error - correcting coding and decoding : Turbo - codes ( 1 ). in Proc. ICC' 93, Geneva, Switzerland., May 1993 ; 1064 - 1070.
  • 6J Hagenauer, P Robertson. Itetative ("TURBO") Decoding of Systematic Convolutional Codes with the MAP and SOVA Algorithm. FIG- Fachberrichte, 1995 ; 130 : 21 - 29.
  • 7J Hagenauer. Source - Controlled Channel Decoding. IEEE Trans. Commun, 1995 ;43:2449 - 2457.
  • 8Jinghu Chen, Marc P.C. Shu Lin, Chengqi Xu. Bi - Direction SOVA Decoding for Turbo- codes. IEEE Trans Commun ,2000;4(12).
  • 9C.Berrou, A.Glaxieux, EThitimasjshima. Near Shannon limit error-correcting coding and decoding: Turbocodes(l), in Proc. ICC93, Geneva, Switzerland., May 1993. 1064-1070.
  • 10C.Berrou, A.Glaxieux. Near optimum error correcting coding and decoding, Turbo-codes. IEEE Trans. on Commun, 1996,44(10): 1261-1271.

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