{"title":"改进了块衰落信道下优良空时格码的设计准则","authors":"Hong Liang, Weilin Wu","doi":"10.1109/ICCT.2003.1209725","DOIUrl":null,"url":null,"abstract":"The design criteria for space-time codes under block fading channels are the rank criterion and the determinant criterion, which are widely cited in the literature. These criteria are not very tight under some circumstances. In this letter, we derive a tighter design criterion for space-time codes. Based on our criterion, we have found good space-time codes by computer search. The complexity of systematic search for good space-time codes is a big obstacle to get good codes. Using our new design criterion, the complexity of search is dropped down dramatically. Simulations show that our new codes have superior performance over the existing codes.","PeriodicalId":237858,"journal":{"name":"International Conference on Communication Technology Proceedings, 2003. ICCT 2003.","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Improved design criterion for good space-time trellis-codes under block fading channels\",\"authors\":\"Hong Liang, Weilin Wu\",\"doi\":\"10.1109/ICCT.2003.1209725\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The design criteria for space-time codes under block fading channels are the rank criterion and the determinant criterion, which are widely cited in the literature. These criteria are not very tight under some circumstances. In this letter, we derive a tighter design criterion for space-time codes. Based on our criterion, we have found good space-time codes by computer search. The complexity of systematic search for good space-time codes is a big obstacle to get good codes. Using our new design criterion, the complexity of search is dropped down dramatically. Simulations show that our new codes have superior performance over the existing codes.\",\"PeriodicalId\":237858,\"journal\":{\"name\":\"International Conference on Communication Technology Proceedings, 2003. ICCT 2003.\",\"volume\":\"19 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-04-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Conference on Communication Technology Proceedings, 2003. ICCT 2003.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICCT.2003.1209725\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Communication Technology Proceedings, 2003. ICCT 2003.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCT.2003.1209725","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Improved design criterion for good space-time trellis-codes under block fading channels
The design criteria for space-time codes under block fading channels are the rank criterion and the determinant criterion, which are widely cited in the literature. These criteria are not very tight under some circumstances. In this letter, we derive a tighter design criterion for space-time codes. Based on our criterion, we have found good space-time codes by computer search. The complexity of systematic search for good space-time codes is a big obstacle to get good codes. Using our new design criterion, the complexity of search is dropped down dramatically. Simulations show that our new codes have superior performance over the existing codes.
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