DIRECT-SEQUENCE SPREAD-SPECTRUM MATCHED-FILTER ACQUISITION IN FREQUENCY-SELECTIVE RAYLEIGH FADING CHANNELS

被引：71

作者：

IBRAHIM, BB

AGHVAMI, AH

机构：

[1] Department of Electronic and Electrical Engineering, King's College London, Strand, London.

来源：

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 1994年 / 12卷 / 05期

关键词：

Codes (symbols) - Communication channels (information theory) - Digital filters - Fading (radio) - Frequency allocation - Parameter estimation - Probability - Radio interference - Signal detection - Signal filtering and prediction - Systems analysis;

D O I：

10.1109/49.298062

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents the performance of a matched filter acquisition scheme in nonselective and frequency-selective Rayleigh fading channels. This acquisition scheme employs a reference filter to estimate the variance of the interference at the output of the detecting matched filter. Expressions for probability of detection and probability of false alarm are derived and the mean acquisition time is evaluated for various channel and system parameters. The results presented show the relationship between channel and system parameters and the system performance.

引用

页码：885 / 890

页数：6

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