Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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VLSI Design of SOVA Decoder for Turbo Decoder

터보복호기를 위한 SOVA 복호기의 설계

  • Kim, Ki-Bo (School of electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kim, Jong-Tae (School of electrical and Computer Engineering, Sungkyunkwan University)
  • 김기보 (성균관대학교 전기전자 및 컴퓨터 공학부 컴퓨터 시스템 합성연구실) ;
  • 김종태 (성균관대학교 전기전자 및 컴퓨터 공학부 컴퓨터 시스템 합성연구실)
  • Published : 2000.07.17
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Abstract

Soft Output Viterbi Algorithm is modification of Viterbi algorithm to deliver not only the decoded codewords but also a posteriori probability for each bit. This paper presents SOVA decoder which can be used for component decoder of turbo decoder. We used two-step SMU architectures combined with systolic array traceback methods to reduce the complexity of the design. We followed the specification of CDMA2000 system for SOVA decoder design.

Keywords