{"title":"具有大量继电器的无线供电分布式放大转发继电器","authors":"Zeping Pang, Z. Fang, Liping Jin, Jiong Shi","doi":"10.1117/12.2287124","DOIUrl":null,"url":null,"abstract":"This paper considers a wireless-powered amplify-and-forward relay network with a large number of relays. Each relay node is equipped with a single antenna and harvests energy from its received signal with a power splitter. With the harvested power, each relay node forwards the residual received signal to the destination node with distributed beamforming. We investigate the impact of the power splitting ratio and the number of the relays on the system performance, and derive a closed-form expression for the asymptotic signal-to-noise ratio (SNR) when the number of relays goes large. Numerical results are presented to demonstrate the performance of the proposed scheme.","PeriodicalId":415022,"journal":{"name":"International Conference on Wireless and Optical Communications","volume":"114 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Wireless-powered distributed amplify-and-forward relaying with a large number of relays\",\"authors\":\"Zeping Pang, Z. Fang, Liping Jin, Jiong Shi\",\"doi\":\"10.1117/12.2287124\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper considers a wireless-powered amplify-and-forward relay network with a large number of relays. Each relay node is equipped with a single antenna and harvests energy from its received signal with a power splitter. With the harvested power, each relay node forwards the residual received signal to the destination node with distributed beamforming. We investigate the impact of the power splitting ratio and the number of the relays on the system performance, and derive a closed-form expression for the asymptotic signal-to-noise ratio (SNR) when the number of relays goes large. Numerical results are presented to demonstrate the performance of the proposed scheme.\",\"PeriodicalId\":415022,\"journal\":{\"name\":\"International Conference on Wireless and Optical Communications\",\"volume\":\"114 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-11-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Conference on Wireless and Optical Communications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1117/12.2287124\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Wireless and Optical Communications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2287124","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Wireless-powered distributed amplify-and-forward relaying with a large number of relays
This paper considers a wireless-powered amplify-and-forward relay network with a large number of relays. Each relay node is equipped with a single antenna and harvests energy from its received signal with a power splitter. With the harvested power, each relay node forwards the residual received signal to the destination node with distributed beamforming. We investigate the impact of the power splitting ratio and the number of the relays on the system performance, and derive a closed-form expression for the asymptotic signal-to-noise ratio (SNR) when the number of relays goes large. Numerical results are presented to demonstrate the performance of the proposed scheme.
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