基于联合匹配滤波器的直接序列扩频无线电同步方法性能分析

IEEE 54th Vehicular Technology Conference. VTC Fall 2001. Proceedings (Cat. No.01CH37211) Pub Date : 2001-10-07 DOI:10.1109/VTC.2001.957184

C. Toker, Y. Tanik

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引用次数: 0

摘要

提出了一种直接序列扩频信号的采集方法。该方法是N抽头匹配滤波器和长M*N抽头匹配滤波器的组合，其中N为扩频伪噪声序列的长度，M为报头序列的长度。采用差分相移键控调制。从检测概率和虚警概率两方面对该方法进行了性能分析。在加性高斯白噪声条件下对该算法的性能进行了评价。使用等抽头有限脉冲响应滤波器通过组合信道的多径分量来提高性能。

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Performance analysis of a joint matched filter based synchronization method for direct sequence spread spectrum radio

An acquisition method for direct-sequence spread spectrum signals is proposed. This method is a combination of an N-tap matched filter and a long M*N-tap matched filter, where N and M are the length of the spreading pseudo-noise sequence, and the length of the header sequence, respectively. Differential phase-shift keying modulation is used. The analytical performance analysis of the method is derived in terms of detection and false alarm probabilities. The performance is evaluated at various fading conditions with additive white Gaussian noise. An equal tap finite impulse response filter is used to increase the performance by combining multipath components of the channel.

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IEEE 54th Vehicular Technology Conference. VTC Fall 2001. Proceedings (Cat. No.01CH37211)

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