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Rate selection for cooperative HARQ-CC systems over time-correlated Nakagami-m fading channels
Zheng Shi; Shaodan Ma; Kam-Weng Tam
2015-09-14
Conference NameIEEE International Conference on Communications (ICC)
Source Publication2015 IEEE International Conference on Communication Workshop, ICCW 2015
Pages919-924
Conference Date8-12 June 2015
Conference PlaceLondon, UK
Abstract

This paper addresses the problem of rate selection for the cooperative hybrid automatic repeat request with chase combination (HARQ-CC) system, where time correlated Nakagami-m fading channels are considered. To deal with this problem, the closed-form cumulative distribution function (CDF) for the combine SNRs through maximal ratio combining (MRC) is first derived as a generalized Fox's H function. By using this result, outage probability and delay-limited throughput (DLT) are derived in closed forms, which then enables the rate selection for maximum DLT. These analytical results are validated via Monte Carlo simulations. The impacts of time correlation and channel fading-order parameter m upon outage probability, DLT and the optimal rate are investigated thoroughly. It is found that the system can achieve more diversity gain from less correlated channels, and the outage probability of cooperative HARQ-CC system decreases with the increase of m, and etc. Furthermore, the optimal rate increases with the number of retransmissions, while it decreases with the increase of the channel time correlation.

KeywordChase Combination Delay-limited Throughput Hybrid Automatic Repeat Request Nakagami-m Fading Channels Rate Selection Time Correlation
DOI10.1109/ICCW.2015.7247293
URLView the original
Indexed ByCPCI-S
Language英語English
WOS Research AreaComputer Science ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Telecommunications
WOS IDWOS:000380459900148
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Faculty of Science and Technology
AffiliationDepartment of Electrical and Computer Engineering, University of Macau, Macau
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Zheng Shi,Shaodan Ma,Kam-Weng Tam. Rate selection for cooperative HARQ-CC systems over time-correlated Nakagami-m fading channels[C],2015:919-924.
APA Zheng Shi,Shaodan Ma,&Kam-Weng Tam.(2015).Rate selection for cooperative HARQ-CC systems over time-correlated Nakagami-m fading channels.2015 IEEE International Conference on Communication Workshop, ICCW 2015,919-924.
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