Rejection of digital NBI in DSSS systems based on CME algorithm and its improvement

Caijie Xia; Aihua Wang; Jianping An

Rejection of digital NBI in DSSS systems based on CME algorithm and its improvement

Caijie Xia^*, Aihua Wang, Jianping An

^*此作品的通讯作者

Beijing Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

1 引用（Scopus）

摘要

A consecutive mean excision (CME) algorithm is used to suppress digital narrowband interference (NBI) in direct sequence spread spectrum (DSSS) systems. The algorithm can offer remarkable interference suppression and its bandwidth is up to 50% of the bandwidth of the desired signal. Based on centrosymmetry of FFT, an improved CME algorithm is proposed. The algorithm can reduce the iterative times and the storage space, and keep the system performance. Both theoretical analysis and numerical simulation show that the proposed algorithm can effectively suppress digital NBI.

源语言	英语
页（从-至）	114-118
页数	5
期刊	Shuju Caiji Yu Chuli/Journal of Data Acquisition and Processing
卷	21
期	SUPPL.
出版状态	已出版 - 12月 2006

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abstract = "A consecutive mean excision (CME) algorithm is used to suppress digital narrowband interference (NBI) in direct sequence spread spectrum (DSSS) systems. The algorithm can offer remarkable interference suppression and its bandwidth is up to 50% of the bandwidth of the desired signal. Based on centrosymmetry of FFT, an improved CME algorithm is proposed. The algorithm can reduce the iterative times and the storage space, and keep the system performance. Both theoretical analysis and numerical simulation show that the proposed algorithm can effectively suppress digital NBI.",

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AU - Wang, Aihua

AU - An, Jianping

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N2 - A consecutive mean excision (CME) algorithm is used to suppress digital narrowband interference (NBI) in direct sequence spread spectrum (DSSS) systems. The algorithm can offer remarkable interference suppression and its bandwidth is up to 50% of the bandwidth of the desired signal. Based on centrosymmetry of FFT, an improved CME algorithm is proposed. The algorithm can reduce the iterative times and the storage space, and keep the system performance. Both theoretical analysis and numerical simulation show that the proposed algorithm can effectively suppress digital NBI.

AB - A consecutive mean excision (CME) algorithm is used to suppress digital narrowband interference (NBI) in direct sequence spread spectrum (DSSS) systems. The algorithm can offer remarkable interference suppression and its bandwidth is up to 50% of the bandwidth of the desired signal. Based on centrosymmetry of FFT, an improved CME algorithm is proposed. The algorithm can reduce the iterative times and the storage space, and keep the system performance. Both theoretical analysis and numerical simulation show that the proposed algorithm can effectively suppress digital NBI.

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KW - Digital narrowband interference

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Rejection of digital NBI in DSSS systems based on CME algorithm and its improvement

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