A Novel Demodulation Decoding Method for Coded 16DAPSK Signals

Qin Ya-juan; Hamaguchi Kiyoshi; Liu Yuan-an

Volume 28 Issue 9

Sep. 2010

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Article Navigation > Journal of Electronics & Information Technology > 2006 > 28(9): 1645-1648

Zhang Shun, Gao Tie-Gang. Encryption Based on DNA Coding, Codon Grouping and Substitution[J]. Journal of Electronics & Information Technology, 2015, 37(1): 150-157. doi: 10.11999/JEIT140091

Citation:

Qin Ya-juan, Hamaguchi Kiyoshi, Liu Yuan-an. A Novel Demodulation Decoding Method for Coded 16DAPSK Signals[J]. Journal of Electronics & Information Technology, 2006, 28(9): 1645-1648.

Zhang Shun, Gao Tie-Gang. Encryption Based on DNA Coding, Codon Grouping and Substitution[J]. Journal of Electronics & Information Technology, 2015, 37(1): 150-157. doi: 10.11999/JEIT140091

Citation:

Qin Ya-juan, Hamaguchi Kiyoshi, Liu Yuan-an. A Novel Demodulation Decoding Method for Coded 16DAPSK Signals[J]. Journal of Electronics & Information Technology, 2006, 28(9): 1645-1648.

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A Novel Demodulation Decoding Method for Coded 16DAPSK Signals

Received Date: 2004-12-27
Rev Recd Date: 2005-05-25
Publish Date: 2006-09-19

Abstract

Abstract

An OFDM system with 16DAPSK modulation for each subcarrier is considered. In this paper, a novel bit soft-output demodulation decoding scheme which is simpler to implement for coded 16DAPSK signal is proposed and investigated. The simulation results show that about 1.2dB performance gain can be achieved in AWGN, flat Rayleigh fading, and multipath Rayleigh fading channels with forward error correct coding (rate 3/4, punctured convolutional coding) compared with hard-decision decoding. The Bit-Error-Rate (BER) will be reduced if this method is applied in 100Mbps 16DAPSK-OFDM millimeter-wave broadband mobile access experimental system developed by CRL in Japan.

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References(1)

References

滨口清，辻宏之，小川博世.ミリ波広帯域移動アクセスシステム用100Mbps-OFDMモデムの開発[J] . 信学技報， Technical Report of IEICE, 2001, CS2001-44, RCS2001-51:1-7.[2]Moriyama S, Tsuchida K, Sasaki M. Digital transmission of high bit rate signals using 16DAPSK-OFDM modulation scheme [J].IEEE Trans. on Broadcasting.1998, 44(1):115-122[3]Engels V, Rohling H. Digital modulation in techniques for a 34Mbit/s radio channel using orthogonal frequency division multiplexing[J]. Wireless Personal Communications-(Special Issue on Multi-carrier Communications), 1995, 2 (12): 29-44.[4]Rohling H, May T, Brninghaus K, Grnheid R. Broad-band OFDM radio transmission for multimedia applications [J].Proc IEEE.1999, 87(10):1778-1789[5]May T, Rohling H, Volker E. Performance analysis of Viterbidecoding for 64-DAPSK and 64-QAM modulation OFDM signals[J].IEEE Trans. on Communications.1998, 46(2):182-190[6]Bahai A R S.[J].Saltzberg B R. Multi-carrier Digital CommunicationsTheory and Application of OFDM, New York: Mc-Graw-Hill.1999,:-

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