{"title":"基于协同分集的蜂窝中继网络切换策略","authors":"Yueyun Chen, Yanyan Liu","doi":"10.1109/WNIS.2009.93","DOIUrl":null,"url":null,"abstract":"A novel cooperative cellular relaying network structure with fixed relay stations is proposed. This structure can effectively improve the received signal strength of cell-edge users benefiting from cooperative diversity. Based on the proposed structure, a cooperative handoff strategy (CHOS) is designed. The CHOS extends the handoff algorithms based on absolute threshold value and hysteresis level by using the signal strength with cooperative diversity gain as handoff decision. The improved handoff decision in CHOS reduces the number of handoff in the system. If the target cell is crowed, CHOS can decrease the system handoff block rate by a simple channel borrowing mechanism. The simulation outcomes are provided for the creditability verification of the theoretical results.","PeriodicalId":280001,"journal":{"name":"2009 International Conference on Wireless Networks and Information Systems","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Handoff Strategy Based on Cooperative Diversity for Cellular Reylaying Network\",\"authors\":\"Yueyun Chen, Yanyan Liu\",\"doi\":\"10.1109/WNIS.2009.93\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel cooperative cellular relaying network structure with fixed relay stations is proposed. This structure can effectively improve the received signal strength of cell-edge users benefiting from cooperative diversity. Based on the proposed structure, a cooperative handoff strategy (CHOS) is designed. The CHOS extends the handoff algorithms based on absolute threshold value and hysteresis level by using the signal strength with cooperative diversity gain as handoff decision. The improved handoff decision in CHOS reduces the number of handoff in the system. If the target cell is crowed, CHOS can decrease the system handoff block rate by a simple channel borrowing mechanism. The simulation outcomes are provided for the creditability verification of the theoretical results.\",\"PeriodicalId\":280001,\"journal\":{\"name\":\"2009 International Conference on Wireless Networks and Information Systems\",\"volume\":\"29 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-12-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 International Conference on Wireless Networks and Information Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WNIS.2009.93\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 International Conference on Wireless Networks and Information Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WNIS.2009.93","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Handoff Strategy Based on Cooperative Diversity for Cellular Reylaying Network
A novel cooperative cellular relaying network structure with fixed relay stations is proposed. This structure can effectively improve the received signal strength of cell-edge users benefiting from cooperative diversity. Based on the proposed structure, a cooperative handoff strategy (CHOS) is designed. The CHOS extends the handoff algorithms based on absolute threshold value and hysteresis level by using the signal strength with cooperative diversity gain as handoff decision. The improved handoff decision in CHOS reduces the number of handoff in the system. If the target cell is crowed, CHOS can decrease the system handoff block rate by a simple channel borrowing mechanism. The simulation outcomes are provided for the creditability verification of the theoretical results.
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