{"title":"Joint user-antenna selection scheme in multiuser two-way relaying system with TDBC protocol","authors":"Xiabin Qian, Jing Li, J. Ge, Chensi Zhang","doi":"10.1109/TENCON.2013.6719017","DOIUrl":null,"url":null,"abstract":"This paper considers a multiuser two-way relaying system with time division broadcast (TDBC) protocol, where one multiantenna base station (BS) and one out of N single-antenna mobile stations (MSs) exchange information with the aid of one single-antenna amplify-and-forward (AF) relay. We first propose an optimal joint user-antenna selection scheme, which minimizes the system outage probability. Then by fixing the power allocation factor at the relay, a low-complexity suboptimal scheme is proposed and compared with the optimal scheme. Simulation results show that the proposed schemes can achieve full diversity order and there is a small performance gap between them. Furthermore, the suboptimal scheme is more robust to the channel estimation errors than the optimal counterpart.","PeriodicalId":425023,"journal":{"name":"2013 IEEE International Conference of IEEE Region 10 (TENCON 2013)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE International Conference of IEEE Region 10 (TENCON 2013)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TENCON.2013.6719017","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper considers a multiuser two-way relaying system with time division broadcast (TDBC) protocol, where one multiantenna base station (BS) and one out of N single-antenna mobile stations (MSs) exchange information with the aid of one single-antenna amplify-and-forward (AF) relay. We first propose an optimal joint user-antenna selection scheme, which minimizes the system outage probability. Then by fixing the power allocation factor at the relay, a low-complexity suboptimal scheme is proposed and compared with the optimal scheme. Simulation results show that the proposed schemes can achieve full diversity order and there is a small performance gap between them. Furthermore, the suboptimal scheme is more robust to the channel estimation errors than the optimal counterpart.
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