{"title":"无线供电中继通信的吞吐量最大化","authors":"Hongxing Xia, Yongzhao Li, Hailin Zhang","doi":"10.1109/ICCChina.2017.8330321","DOIUrl":null,"url":null,"abstract":"We consider the wireless powered communications where users harvest energy from non-dedicated sources. The user follows a harvest-then-transmit protocol: in the first phase of a slot time, the source node harvests energy from a nearby conventional access point, then transmits information to its destination node or relay node in the second phase. We obtain the optimal harvesting ratio to maximize the expected throughput for direct transmission (DT) and decode forward (DF) relay under outage constraint, respectively. Our results reveal that the optimal harvest ratio for DT is dominated by the outage constraint while for DF relay, by the data causality.","PeriodicalId":418396,"journal":{"name":"2017 IEEE/CIC International Conference on Communications in China (ICCC)","volume":"22 13 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Throughput maximization for wireless powered relay communications\",\"authors\":\"Hongxing Xia, Yongzhao Li, Hailin Zhang\",\"doi\":\"10.1109/ICCChina.2017.8330321\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We consider the wireless powered communications where users harvest energy from non-dedicated sources. The user follows a harvest-then-transmit protocol: in the first phase of a slot time, the source node harvests energy from a nearby conventional access point, then transmits information to its destination node or relay node in the second phase. We obtain the optimal harvesting ratio to maximize the expected throughput for direct transmission (DT) and decode forward (DF) relay under outage constraint, respectively. Our results reveal that the optimal harvest ratio for DT is dominated by the outage constraint while for DF relay, by the data causality.\",\"PeriodicalId\":418396,\"journal\":{\"name\":\"2017 IEEE/CIC International Conference on Communications in China (ICCC)\",\"volume\":\"22 13 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 IEEE/CIC International Conference on Communications in China (ICCC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICCChina.2017.8330321\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE/CIC International Conference on Communications in China (ICCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCChina.2017.8330321","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Throughput maximization for wireless powered relay communications
We consider the wireless powered communications where users harvest energy from non-dedicated sources. The user follows a harvest-then-transmit protocol: in the first phase of a slot time, the source node harvests energy from a nearby conventional access point, then transmits information to its destination node or relay node in the second phase. We obtain the optimal harvesting ratio to maximize the expected throughput for direct transmission (DT) and decode forward (DF) relay under outage constraint, respectively. Our results reveal that the optimal harvest ratio for DT is dominated by the outage constraint while for DF relay, by the data causality.
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