Multi-Relay Cooperative Adaptive Transmission Based on Rate-Compatible LDPC Codes

doi:10.13190/j.jbupt.2018-077

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2018, Vol. 41 ›› Issue (6): 58-64.doi: 10.13190/j.jbupt.2018-077

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Multi-Relay Cooperative Adaptive Transmission Based on Rate-Compatible LDPC Codes

SU Hua-ling, HE Yu-cheng, ZHOU Lin

1. School of Information Science and Engineering, Huaqiao University, Fujian Xiamen 361021, China;
2. Xiamen Key Laboratory of Mobile Multimedia Communications, Huaqiao University, Fujian Xiamen 361021, China

Received:2018-04-24 Online:2018-12-28 Published:2018-12-24

Abstract

Abstract: In order to adapt to dynamical channel conditions and improve the transmission reliability, rate-adaptive cooperative relay transmission schemes are investigated under multi-relay selection in combination with incremental redundancy hybrid automatic repeat request and rate-compatible low density parity check code (RC-LDPC). With respect to random and specific distributions of relay nodes, two different multi-relay selection protocols are proposed with deriving the expressions for the outage probability and throughput performances of the system. Both numerical and simulation results show that introducing a cooperation between the relays can significantly improve the system performance in both outage probability and throughput under the considered specific relay distribution.

Key words: hybrid automatic repeat request, rate-compatible low density parity check code, multi-relay selection, rate-adaptive

CLC Number:

TN929.5

SU Hua-ling, HE Yu-cheng, ZHOU Lin. Multi-Relay Cooperative Adaptive Transmission Based on Rate-Compatible LDPC Codes[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2018, 41(6): 58-64.

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Multi-Relay Cooperative Adaptive Transmission Based on Rate-Compatible LDPC Codes

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