{"title":"以MMSE-DFE为重点的组合均衡和编码收发器的带宽优化","authors":"N. Al-Dhahir, J. Cioffi","doi":"10.1109/MILCOM.1993.408623","DOIUrl":null,"url":null,"abstract":"The problem of optimizing the transmission bandwidth of practical coded-modulation transceivers on linear time-invariant (LTI) dispersive channels corrupted by additive white Gaussian noise (AWGN) and crosstalk, with particular emphasis on digital subscriber loops, is studied. Under the assumption of a flat input power distribution over the transmission bandwidth, four criteria for bandwidth optimization are analyzed and compared. The main focus is on the ideal infinite-length minimum-mean-square error decision feedback equalizer (MMSE-DFE), however, finite-length constraints are also considered. Furthermore, comparisons between the optimal bandwidth and performance of the MMSE-DFE and a multichannel modulation (MCM) transceiver, under a variety of operating conditions, are presented.<<ETX>>","PeriodicalId":323612,"journal":{"name":"Proceedings of MILCOM '93 - IEEE Military Communications Conference","volume":"46 13 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"Bandwidth optimization for combined equalization and coding transceivers with emphasis on the MMSE-DFE\",\"authors\":\"N. Al-Dhahir, J. Cioffi\",\"doi\":\"10.1109/MILCOM.1993.408623\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The problem of optimizing the transmission bandwidth of practical coded-modulation transceivers on linear time-invariant (LTI) dispersive channels corrupted by additive white Gaussian noise (AWGN) and crosstalk, with particular emphasis on digital subscriber loops, is studied. Under the assumption of a flat input power distribution over the transmission bandwidth, four criteria for bandwidth optimization are analyzed and compared. The main focus is on the ideal infinite-length minimum-mean-square error decision feedback equalizer (MMSE-DFE), however, finite-length constraints are also considered. Furthermore, comparisons between the optimal bandwidth and performance of the MMSE-DFE and a multichannel modulation (MCM) transceiver, under a variety of operating conditions, are presented.<<ETX>>\",\"PeriodicalId\":323612,\"journal\":{\"name\":\"Proceedings of MILCOM '93 - IEEE Military Communications Conference\",\"volume\":\"46 13 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-10-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of MILCOM '93 - IEEE Military Communications Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MILCOM.1993.408623\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of MILCOM '93 - IEEE Military Communications Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MILCOM.1993.408623","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Bandwidth optimization for combined equalization and coding transceivers with emphasis on the MMSE-DFE
The problem of optimizing the transmission bandwidth of practical coded-modulation transceivers on linear time-invariant (LTI) dispersive channels corrupted by additive white Gaussian noise (AWGN) and crosstalk, with particular emphasis on digital subscriber loops, is studied. Under the assumption of a flat input power distribution over the transmission bandwidth, four criteria for bandwidth optimization are analyzed and compared. The main focus is on the ideal infinite-length minimum-mean-square error decision feedback equalizer (MMSE-DFE), however, finite-length constraints are also considered. Furthermore, comparisons between the optimal bandwidth and performance of the MMSE-DFE and a multichannel modulation (MCM) transceiver, under a variety of operating conditions, are presented.<>
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