{"title":"多径/散射信道的自适应扩频接收机","authors":"Ernest T. Tsui, R. Ibaraki","doi":"10.1109/MILCOM.1982.4805986","DOIUrl":null,"url":null,"abstract":"Transmitted signal spectrum spreading is used to enhance multipath diversity performance. An adaptive DPSK spread spectrum multiple access receiver structure is presented for which optimal demodulation is obtained in slowly time-varying complex Gaussian scatter/multipath channels under convergence of the adaptive algorithm. The receiver performs a cross-correlation function equalization of a multipath degraded spread spectrum signal using a Stochastic Approximation technique. A potential of coherenit maximal-ratio multipath combining performance can be obtained under general slowly varying channel conditions.","PeriodicalId":179832,"journal":{"name":"MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications","volume":"283 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1982-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"An Adaptive Spread Spectrum Receiver for Multipath/Scatter Channels\",\"authors\":\"Ernest T. Tsui, R. Ibaraki\",\"doi\":\"10.1109/MILCOM.1982.4805986\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Transmitted signal spectrum spreading is used to enhance multipath diversity performance. An adaptive DPSK spread spectrum multiple access receiver structure is presented for which optimal demodulation is obtained in slowly time-varying complex Gaussian scatter/multipath channels under convergence of the adaptive algorithm. The receiver performs a cross-correlation function equalization of a multipath degraded spread spectrum signal using a Stochastic Approximation technique. A potential of coherenit maximal-ratio multipath combining performance can be obtained under general slowly varying channel conditions.\",\"PeriodicalId\":179832,\"journal\":{\"name\":\"MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications\",\"volume\":\"283 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1982-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MILCOM.1982.4805986\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MILCOM.1982.4805986","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An Adaptive Spread Spectrum Receiver for Multipath/Scatter Channels
Transmitted signal spectrum spreading is used to enhance multipath diversity performance. An adaptive DPSK spread spectrum multiple access receiver structure is presented for which optimal demodulation is obtained in slowly time-varying complex Gaussian scatter/multipath channels under convergence of the adaptive algorithm. The receiver performs a cross-correlation function equalization of a multipath degraded spread spectrum signal using a Stochastic Approximation technique. A potential of coherenit maximal-ratio multipath combining performance can be obtained under general slowly varying channel conditions.
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