直接序列扩频系统中双向串行搜索PN采集性能

Eleventh Annual International Phoenix Conference on Computers and Communication [1992 Conference Proceedings] Pub Date : 1992-04-01 DOI:10.1109/PCCC.1992.200559

M.-Y. Chen

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引用次数: 1

摘要

研究了直接序列扩频系统中的双向序列搜索伪噪声(PN)采集方案。从一个共同的初始相位点出发，同时进行前向滑动相关和后向滑动相关的检测。在任何一个方向上，哪个相位点首先到达正确的相位点被选为所需的参考相位点。介绍了双向串行搜索的分析模型和总体平均PN采集时间的计算方法。推导了总平均PN采集时间的公式。给出了双向串行搜索和单向串行搜索的计算结果和性能比较。

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Performance of bidirectional serial search PN acquisition in direct sequence spread spectrum system

A bidirectional serial search pseudonoise (PN) acquisition scheme in a direct sequence spread spectrum system is investigated. By starting with a common initial phase point, both the forward sliding correlation and the backward sliding correlation are performed and examined simultaneously. Whichever phase point in either direction hits the correct phase point first is selected as the desired reference phase point. The author describes the analysis model of bidirectional serial search and the procedure for calculating the overall mean PN acquisition time. A formula for the overall mean PN acquisition time is derived. The computational result and the performance comparison between the bidirectional serial search and the unidirectional serial search are given.<>

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Eleventh Annual International Phoenix Conference on Computers and Communication [1992 Conference Proceedings]

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