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National Chung Hsing University Institutional Repository - NCHUIR > 工學院 > 通訊工程研究所 > 依資料類型分類 > 期刊論文 >  Anti-interference receiver structures for direct sequence spread spectrum signals

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/133631

標題: Anti-interference receiver structures for direct sequence spread spectrum signals
作者: Jeng, L.D.;Ueng, F.B.
關鍵字: narrowband interference;code synchronization;LMS;noncoherent
日期: 2008
Issue Date: 2012-12-14 10:06:53 (UTC+8)
關連: Ieice Transactions on Communications, Volume E91B, Issue 4, Page(s) 1103-1111.
摘要: Conventional narrowband interference (NBI) rejection algorithms often assumed perfect pseudo-noise (PN) code synchronization. The functions of NBI rejection and code tracking are performed separately and independently by an adaptive filter and a code tracking loop, respectively. This paper presents two new receiver structures for direct sequence spread spectrum (DS/SS) systems, one operates in coherent mode and the other operates in noncoherent mode. Both receivers are designed to suppress NBI and minimize tracking jitter. Numerical results show that the proposed coherent receiver performs as good as the conventional receiver that uses an LMS NBI rejection filter with zero tracking jitter. The noncoherent receiver, when compared with the coherent one, suffers less than 3 dB degradation for bit error probability smaller than 10(-3).
Relation: Ieice Transactions on Communications
Appears in Collections:[依教師分類] 翁芳標
[依資料類型分類] 期刊論文
[依教師分類] 翁芳標

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