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直扩系统迫零码辅助窄带干扰抑制技术研究

DOI: 10.369/j.issn.1006-7043.2009.06.019

Keywords: 直扩系统 窄带干扰抑制 码辅助技术 迫零

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Abstract:

针对常规迫零(ZF)码辅助技术对直扩(DSSS)系统窄带干扰(NBI)进行抑制时受信道复增益相位影响严重,修正ZF码辅助虽然可以消除或消弱这种影响,但同时引入系统计算复杂度提高的问题.该文提出了优化约束条件的ZF码辅助技术.优化ZF码辅助技术不但可以消除信道复增益相位的影响,同时保持了低运算复杂度.仿真分析证明了该优化算法对各类NBI进行抑制的有效性.

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