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Goohyun Park, Sukhyon Yun, Changeon Kang and Daesik Hong, "An Implementation method of a Turbo-code Decoder Using a block-wise MAP Algorithm", IEEE VTC, Sep. 2000
[IEEE VTC]
조회 102710
Status : | Presented |
---|---|
Date : | 2000-09 |
Title : | An Implementation method of a Turbo-code Decoder Using a block-wise MAP Algorithm |
Authors : | Goohyun Park, Sukhyon Yun, Changeon Kang and Daesik Hong |
Conference : | IEEE Conference Vehicular Technology |
Abstract : | The several implementation methods of the MAP decoder are proposed in this paper By using the novel time-shared process of a pipe-lined structure, the restriction of recursion process on state metric can be efficiently conquered, and the complexity of the MAP decoder can be reduced to the order of a SOVA(Soft Output Viterbi Algorithm) decoder. And, an efficient structure for the controller is also proposed for cdma-2000 system. The designed MAP decoder using a block-wise MAP algorithm has been hplemented in only one 20,000 gate circuit. It has been valiabted by VHDL, which has been compared with the results of the initial simulation(C programs). The designed decoder has 300 kbps decoding processing ability with 8 times iterations on a FPGA circuit. and just has a deviation of about 0.1~0.2 dB over the ideal MAP decoder, even if all hadeware environments were considered. |
URL : | http://ieeexplore.ieee.org/xpl/articleDe...ber=886857 |
Goohyun Park; Sukhyon Yoon; Changeon Kang; Daesik Hong; , "An implementation method of a turbo-code decoder using a block-wise MAP algorithm," Vehicular Technology Conference, 2000. IEEE VTS-Fall VTC 2000. 52nd , vol.6, no., pp.2956-2961 vol.6, 2000
doi: 10.1109/VETECF.2000.886857
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=886857&isnumber=19157
doi: 10.1109/VETECF.2000.886857
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=886857&isnumber=19157
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