Relay selection schemes in threshold DF cooperative systems with wireless power transfer
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ArticleKAUST Department
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) DivisionElectrical Engineering
Date
2020-04-16Online Publication Date
2020-04-16Print Publication Date
2020-05Embargo End Date
2022-04-16Submitted Date
2019-01-30Permanent link to this record
http://hdl.handle.net/10754/662702
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In this work, a dual-hop cooperative wireless energy harvesting system, in which there are a Source-Destination (S−D) pair and several relay candidates is considered. all relay candidates adopt threshold decode-and-forward (DF) relaying scheme to decide whether to aid S−D pair information transmission or not. We assumed that these relay candidates and S are all equipped with single receiving antenna while D is equipped multiple receiving antenna and adopts generalized selection combining scheme to achieve receiving diversity gain. We also consider that relay candidates and S can harvest energy from D with finite energy storage capacity under time switching scheme. Three kinds of best relay selection (RS) schemes based threshold (TH) DF relay scheme, that is, the TH optimal source-relay link, the TH optimal relay-destination link, and the TH optimal source-relay-destination link, are proposed and studied. Closed-form analytical expressions for the outage probability over the three proposed RS schemes are derived and verified by Monte-Carol simulations.Citation
Yao, J., Ye, J., Pan, G., Xie, Y., & Feng, Q. (2020). Relay selection schemes in threshold DF cooperative systems with wireless power transfer. Journal of the Franklin Institute. doi:10.1016/j.jfranklin.2020.04.005Sponsors
This research was supported by the Science and Technology Research Program of Chongqing Municipal Education Commission under Grant No.KJQN201803304, and also in part by Key Project of the National Natural Science Foundation of China under Grant 61531016, and the Sichuan Provincial Science and Technology Important Projects under Grant 2018GZ0139.Publisher
Elsevier BVAdditional Links
https://linkinghub.elsevier.com/retrieve/pii/S0016003220302350ae974a485f413a2113503eed53cd6c53
10.1016/j.jfranklin.2020.04.005