{"title":"有限信噪比MIMO系统中的分集-复用权衡","authors":"H. Ebrahimzad, Abbas Mohammadi","doi":"10.1109/ECWT.2007.4403967","DOIUrl":null,"url":null,"abstract":"In this paper, the diversity-multiplexing tradeoff (DMT) for a multiple-input multiple-output (MIMO) channel with two transmitter and two receiver antennas (2times2 MIMO) at finite signal to noise ratio (SNR) has been studied. To characterize the trade-off, the outage probability of the mutual information between transmitted and received signals versus SNR is extracted. The diversity gain is the slope of the outage probability versus SNR curve at a particular SNR while the multiplexing gain is the ratio of the system spectral efficiency to the capacity of an additive white Gaussian noise (AWGN) channel. This paper provides a useful tool to examine the diversity-multiplexing trade-off at the 2times2 MIMO system in practical (finite SNR) situation.","PeriodicalId":448587,"journal":{"name":"2007 European Conference on Wireless Technologies","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":"{\"title\":\"Diversity-Multiplexing Tradeoff in MIMO System with Finite SNR\",\"authors\":\"H. Ebrahimzad, Abbas Mohammadi\",\"doi\":\"10.1109/ECWT.2007.4403967\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, the diversity-multiplexing tradeoff (DMT) for a multiple-input multiple-output (MIMO) channel with two transmitter and two receiver antennas (2times2 MIMO) at finite signal to noise ratio (SNR) has been studied. To characterize the trade-off, the outage probability of the mutual information between transmitted and received signals versus SNR is extracted. The diversity gain is the slope of the outage probability versus SNR curve at a particular SNR while the multiplexing gain is the ratio of the system spectral efficiency to the capacity of an additive white Gaussian noise (AWGN) channel. This paper provides a useful tool to examine the diversity-multiplexing trade-off at the 2times2 MIMO system in practical (finite SNR) situation.\",\"PeriodicalId\":448587,\"journal\":{\"name\":\"2007 European Conference on Wireless Technologies\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-12-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"10\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 European Conference on Wireless Technologies\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ECWT.2007.4403967\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 European Conference on Wireless Technologies","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ECWT.2007.4403967","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Diversity-Multiplexing Tradeoff in MIMO System with Finite SNR
In this paper, the diversity-multiplexing tradeoff (DMT) for a multiple-input multiple-output (MIMO) channel with two transmitter and two receiver antennas (2times2 MIMO) at finite signal to noise ratio (SNR) has been studied. To characterize the trade-off, the outage probability of the mutual information between transmitted and received signals versus SNR is extracted. The diversity gain is the slope of the outage probability versus SNR curve at a particular SNR while the multiplexing gain is the ratio of the system spectral efficiency to the capacity of an additive white Gaussian noise (AWGN) channel. This paper provides a useful tool to examine the diversity-multiplexing trade-off at the 2times2 MIMO system in practical (finite SNR) situation.
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