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  • 标题:A proposed method for determination of weighted despreading sequences for a DS/CDMA system
  • 其他标题:A proposed method for determination of weighted despreading sequences for a DS/CDMA system
  • 本地全文:下载
  • 作者:younes jabrane ; Radouane Iqdour ; Brahim Ait Es Said
  • 期刊名称:African Journal of Information & Communication Technology
  • 印刷版ISSN:1449-2679
  • 出版年度:2007
  • 卷号:3
  • 期号:3
  • DOI:10.5130/ajict.v3i3.304
  • 语种:English
  • 出版社:University of Technology, Sydney
  • 摘要:The steeping chip weighting waveforms are used in multiple access interference cancellation by emphasizing the received spreading signal, therefore, that allows to solve the problem of orthogonality for the chip waveforms. Our paper presents a useful method based on fuzzy systems to determine the despreading sequences weighted by the steeping chip weighting waveforms for Direct Sequence Code Division Multiple Access DS/CDMA. The validity of our proposed method has been tested by numerical examples for an Additive White Gaussian Noise channels and shows that the parameter values of the chip weighting waveforms are good and the Bit Error Rate performance of the system does not undergone any degradation.
  • 关键词:DS/CDMA; MAI; Weighted Despreading Sequences; Fuzzy Systems.
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