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On the Performance of HARQ-IR Over Nakagami-m Fading Channels in Mobile Ad Hoc Networks
Ding, Haichuan1,2; Shi, Zheng1; Ma, Shaodan1; Xing, Chengwen3

In this paper, outage performance of hybrid automatic repeat request (HARQ) with incremental redundancy over Nakagami-m fading channels in a mobile ad hoc network is analyzed. Different from prior analyses, both interlink interference and random distribution of the nodes are considered, which makes the analysis practical and challenging. Based on an orthogonal polynomial approximation, the probability distribution of the product of multiple shifted signal-to-interference-and-noise ratios (SINRs) and the outage probability are derived in closed forms. The impacts of various system parameters including the intensity of source nodes, the number of retransmissions and the packet rate on the outage probability are then studied thoroughly. The closed-form outage probability enables further analysis of a wide range of performance metrics and delay limited throughput (DLT) is particularly discussed here. It is found that a limited number of retransmissions is sufficient to achieve the maximum DLT. With the analytical results, the optimal packet rate to maximize the DLT is also found. To characterize the performance of the whole network, network DLT (NDLT), which is the maximum achievable aggregated DLT in a unit area under a certain outage constraint, is finally introduced. The scaling law of NDLT over the network density is revealed. Specifically, the NDLT scales linearly with the network density. when the network is sparse, while it follows the (1 - alpha/2) power law over the network density where a is the path loss exponent when the network is dense.

KeywordHomogeneous Poisson Point Process (Hppp) Hybrid Automatic Repeat Request (Harq) Incremental Redundancy (Ir) Interference Nakagami-m Fading
URLView the original
Indexed BySCIE
WOS Research AreaEngineering ; Telecommunications ; Transportation
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications ; Transportation Science & Technology
WOS IDWOS:000401339700032
The Source to ArticleWOS
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Faculty of Science and Technology
Corresponding AuthorDing, Haichuan
Affiliation1.University of Macau
2.University of Florida
3.Beijing Institute of Technology
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Ding, Haichuan,Shi, Zheng,Ma, Shaodan,et al. On the Performance of HARQ-IR Over Nakagami-m Fading Channels in Mobile Ad Hoc Networks[J]. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY,2017,66(5):3913-3929.
APA Ding, Haichuan,Shi, Zheng,Ma, Shaodan,&Xing, Chengwen.(2017).On the Performance of HARQ-IR Over Nakagami-m Fading Channels in Mobile Ad Hoc Networks.IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY,66(5),3913-3929.
MLA Ding, Haichuan,et al."On the Performance of HARQ-IR Over Nakagami-m Fading Channels in Mobile Ad Hoc Networks".IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 66.5(2017):3913-3929.
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