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Goodput Maximization of HARQ-IR over Arbitrarily Correlated Rician Fading Channels
Shi, Zheng1; Wang, Liyang2; Ma, Shaodan2; Yang, Guanghua3; Yao, Yao4
2018
Source PublicationIEEE ACCESS
ISSN2169-3536
Volume6Pages:28903-28911
Abstract

This paper investigates the optimal design of hybrid automatic repeat request with incremental redundancy (HARQ-IR) over arbitrarily correlated Rician fading channels for goodput maximization. With practical consideration of both the channel time correlation and line-of-sight (LOS) links, theoretical analysis and optimal design of HARQ-IR become very challenging. To address them, asymptotic outage analysis is first carried out to not only gain meaningful insights but also facilitate the optimal design. With simple forms of asymptotic expressions derived, joint optimization of the transmission powers and rate aiming at goodput maximization under average total transmission power constraint is enabled and solved analytically. The optimal goodput is also derived in closed form, with which meaningful insights can then be extracted. Particularly, the scaling law of the optimal goodput with respect to the transmit signal-to-noise ratio is found, and the harmfulness of time correlation and the benefit of LOS links are revealed. Finally, the analytical results are validated through extensive simulations.

KeywordHybrid Automatic Repeat Request Incremental Redundancy Rician Fading Time Correlation Goodput
DOI10.1109/ACCESS.2018.2839615
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000435542800001
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
The Source to ArticleWOS
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Jinan Univ, Sch Elect & Informat Engn, Inst Phys Internet, Zhuhai Campus, Zhuhai 519070, Peoples R China
2.Univ Macau, Dept Elect & Comp Engn, Macau 999078, Peoples R China
3.Jinan Univ, Inst Phys Internet, Zhuhai Campus, Zhuhai 519070, Peoples R China
4.Huawei Technol Co Ltd, Shanghai 201206, Peoples R China
Recommended Citation
GB/T 7714
Shi, Zheng,Wang, Liyang,Ma, Shaodan,et al. Goodput Maximization of HARQ-IR over Arbitrarily Correlated Rician Fading Channels[J]. IEEE ACCESS,2018,6:28903-28911.
APA Shi, Zheng,Wang, Liyang,Ma, Shaodan,Yang, Guanghua,&Yao, Yao.(2018).Goodput Maximization of HARQ-IR over Arbitrarily Correlated Rician Fading Channels.IEEE ACCESS,6,28903-28911.
MLA Shi, Zheng,et al."Goodput Maximization of HARQ-IR over Arbitrarily Correlated Rician Fading Channels".IEEE ACCESS 6(2018):28903-28911.
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