{"title":"利用全双工D2D通信提高蜂窝网络系统频谱效率","authors":"Hung V. Vu, T. Le-Ngoc","doi":"10.1109/CCECE.2019.8861871","DOIUrl":null,"url":null,"abstract":"In this paper, we investigate the benefits of integrating underlaid device-to-device (D2D) communications in cellular networks in terms of spectral efficiency gain with D2D users operating in half-duplex (HD) and full-duplex (FD) under the presence of residual self-interference. Based on stochastic-geometry, we develop analytical expressions for the sum-rates of D2D links in order to characterize their behaviors under the effects of various system parameters. Numerical results are provided to illustrate such behaviors. It is shown that, with a sufficient self-interference cancellation level, FD D2D can provide substantial spectral efficiency improvement over the HD counterpart. Underlaid D2D communications in cellular network also offers a significant spectral efficiency gain over the pure cellular networks, especially in dense D2D deployment.","PeriodicalId":352860,"journal":{"name":"2019 IEEE Canadian Conference of Electrical and Computer Engineering (CCECE)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Enhancing System Spectral Efficiency in Cellular Networks via Full-Duplex D2D Communications\",\"authors\":\"Hung V. Vu, T. Le-Ngoc\",\"doi\":\"10.1109/CCECE.2019.8861871\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we investigate the benefits of integrating underlaid device-to-device (D2D) communications in cellular networks in terms of spectral efficiency gain with D2D users operating in half-duplex (HD) and full-duplex (FD) under the presence of residual self-interference. Based on stochastic-geometry, we develop analytical expressions for the sum-rates of D2D links in order to characterize their behaviors under the effects of various system parameters. Numerical results are provided to illustrate such behaviors. It is shown that, with a sufficient self-interference cancellation level, FD D2D can provide substantial spectral efficiency improvement over the HD counterpart. Underlaid D2D communications in cellular network also offers a significant spectral efficiency gain over the pure cellular networks, especially in dense D2D deployment.\",\"PeriodicalId\":352860,\"journal\":{\"name\":\"2019 IEEE Canadian Conference of Electrical and Computer Engineering (CCECE)\",\"volume\":\"72 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-05-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 IEEE Canadian Conference of Electrical and Computer Engineering (CCECE)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CCECE.2019.8861871\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE Canadian Conference of Electrical and Computer Engineering (CCECE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CCECE.2019.8861871","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Enhancing System Spectral Efficiency in Cellular Networks via Full-Duplex D2D Communications
In this paper, we investigate the benefits of integrating underlaid device-to-device (D2D) communications in cellular networks in terms of spectral efficiency gain with D2D users operating in half-duplex (HD) and full-duplex (FD) under the presence of residual self-interference. Based on stochastic-geometry, we develop analytical expressions for the sum-rates of D2D links in order to characterize their behaviors under the effects of various system parameters. Numerical results are provided to illustrate such behaviors. It is shown that, with a sufficient self-interference cancellation level, FD D2D can provide substantial spectral efficiency improvement over the HD counterpart. Underlaid D2D communications in cellular network also offers a significant spectral efficiency gain over the pure cellular networks, especially in dense D2D deployment.
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