{"title":"基于广义重叠变换(GLT)的CDMA系统在多径衰落信道中的性能","authors":"A. Nallanathan, S. Chan, T. Ng","doi":"10.1109/ISSSTA.1998.726234","DOIUrl":null,"url":null,"abstract":"We investigate the performance of a new class of spreading codes in a direct sequence spread spectrum (DSSS/CDMA) system. The spreading and despreading codes are generated from a biorthogonal filter bank whose outputs are of continuous values. The performance of the proposed codes is compared with the Gold codes in a Rayleigh fading multipath channel. Simulation results show that the proposed codes yield lower BER performance than the Gold codes when the number of users is reasonably large.","PeriodicalId":116377,"journal":{"name":"1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333)","volume":"188 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Performance of generalized lapped transform (GLT) based CDMA system in a multipath fading channel\",\"authors\":\"A. Nallanathan, S. Chan, T. Ng\",\"doi\":\"10.1109/ISSSTA.1998.726234\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We investigate the performance of a new class of spreading codes in a direct sequence spread spectrum (DSSS/CDMA) system. The spreading and despreading codes are generated from a biorthogonal filter bank whose outputs are of continuous values. The performance of the proposed codes is compared with the Gold codes in a Rayleigh fading multipath channel. Simulation results show that the proposed codes yield lower BER performance than the Gold codes when the number of users is reasonably large.\",\"PeriodicalId\":116377,\"journal\":{\"name\":\"1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333)\",\"volume\":\"188 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1998-09-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISSSTA.1998.726234\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSSTA.1998.726234","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Performance of generalized lapped transform (GLT) based CDMA system in a multipath fading channel
We investigate the performance of a new class of spreading codes in a direct sequence spread spectrum (DSSS/CDMA) system. The spreading and despreading codes are generated from a biorthogonal filter bank whose outputs are of continuous values. The performance of the proposed codes is compared with the Gold codes in a Rayleigh fading multipath channel. Simulation results show that the proposed codes yield lower BER performance than the Gold codes when the number of users is reasonably large.
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