Gu Xin-yu, Wang Yi-chen, Yu Xiao-bo, Niu Kai, Lin Jia-ru, Wu wei-ling. Advanced Hybrid ARQ Technique Employing a Signal Constellation Rearrangement Based on 64-QAM[J]. Journal of Electronics & Information Technology, 2005, 27(11): 1686-1690.
Citation:
Gu Xin-yu, Wang Yi-chen, Yu Xiao-bo, Niu Kai, Lin Jia-ru, Wu wei-ling. Advanced Hybrid ARQ Technique Employing a Signal Constellation Rearrangement Based on 64-QAM[J]. Journal of Electronics & Information Technology, 2005, 27(11): 1686-1690.
Gu Xin-yu, Wang Yi-chen, Yu Xiao-bo, Niu Kai, Lin Jia-ru, Wu wei-ling. Advanced Hybrid ARQ Technique Employing a Signal Constellation Rearrangement Based on 64-QAM[J]. Journal of Electronics & Information Technology, 2005, 27(11): 1686-1690.
Citation:
Gu Xin-yu, Wang Yi-chen, Yu Xiao-bo, Niu Kai, Lin Jia-ru, Wu wei-ling. Advanced Hybrid ARQ Technique Employing a Signal Constellation Rearrangement Based on 64-QAM[J]. Journal of Electronics & Information Technology, 2005, 27(11): 1686-1690.
An advanced Hybrid ARQ (HARQ) technique applicable to QAM is presented in this paper, which employs signal constellation rearrangement to average the variations in bit reliabilities caused by QAM signal constellation. The presented scheme employs 4 constellation mapping rules for 64-QAM, and can achieve a noticeable gain in HARQ performance as well as a reduction in complexity compared to the existing constellation rearrangement scheme.
Wengerter C H, von Elbwart A G E. Advanced hybrid ARQ technique employing a signal constellation rearrangement. VTC 2002-Fall，vol.4：2002-2006.[2]3GPP TS 25.212 v5.3.0(2002-12). Multiplexing and channel coding(FDD).[3]Panasonic, Enhanced HARQ method with signal constellation[4]rearrangement. 3GPP TSG RAN WG1, March 2001.[5]3GPP TR 25.848 v4.0.0 (2001-03).Physical layer aspects of[6]UTRA High Speed Downlink Packet Access.[7]Gu X Y, Li W Y, Niu K, et al..A universal efficient soft output algorithm for M-QAM. Demapper, Proceedings of ICCC'2004: 880-885.
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