{"title":"无线多小区MIMO系统的反馈间隔控制","authors":"Hui Xiao, L. Sarperi, S. Vadgama","doi":"10.1109/VETECF.2010.5594086","DOIUrl":null,"url":null,"abstract":"Coordination of MIMO transmission across multiple cells can effectively reduce cell-edge interference. However, downlink multi-cell MIMO transmission requires additional channel state information at the cooperating base stations compared to the single-cell case. Therefore, reducing the feedback overhead is an important issue in multi-cell MIMO systems. This paper proposes an adaptive feedback interval control method for multi-cell MIMO systems which is shown to provide a significant overhead reduction compared to existing schemes while ensuring an adequate channel state information update rate at the base stations.","PeriodicalId":417714,"journal":{"name":"2010 IEEE 72nd Vehicular Technology Conference - Fall","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Feedback Interval Control in Wireless Multi-Cell MIMO Systems\",\"authors\":\"Hui Xiao, L. Sarperi, S. Vadgama\",\"doi\":\"10.1109/VETECF.2010.5594086\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Coordination of MIMO transmission across multiple cells can effectively reduce cell-edge interference. However, downlink multi-cell MIMO transmission requires additional channel state information at the cooperating base stations compared to the single-cell case. Therefore, reducing the feedback overhead is an important issue in multi-cell MIMO systems. This paper proposes an adaptive feedback interval control method for multi-cell MIMO systems which is shown to provide a significant overhead reduction compared to existing schemes while ensuring an adequate channel state information update rate at the base stations.\",\"PeriodicalId\":417714,\"journal\":{\"name\":\"2010 IEEE 72nd Vehicular Technology Conference - Fall\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-10-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2010 IEEE 72nd Vehicular Technology Conference - Fall\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VETECF.2010.5594086\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 IEEE 72nd Vehicular Technology Conference - Fall","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VETECF.2010.5594086","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Feedback Interval Control in Wireless Multi-Cell MIMO Systems
Coordination of MIMO transmission across multiple cells can effectively reduce cell-edge interference. However, downlink multi-cell MIMO transmission requires additional channel state information at the cooperating base stations compared to the single-cell case. Therefore, reducing the feedback overhead is an important issue in multi-cell MIMO systems. This paper proposes an adaptive feedback interval control method for multi-cell MIMO systems which is shown to provide a significant overhead reduction compared to existing schemes while ensuring an adequate channel state information update rate at the base stations.
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