HOS AND GA BASED INTERFERENCE REJECTION IN DIRECT SEQUENCE SPREAD SPECTRUM COMMUNICATION SYSTEMS

HOS AND GA BASED INTERFERENCE REJECTION IN DIRECT SEQUENCE SPREAD SPECTRUM COMMUNICATION SYSTEMS

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摘要 A new Higher Order Statistics (HOS) and Genetic Algorithm (GA)-based interference rejection filter is introduced. Compared with the adaptive filters based on second-order statistics and gradient algorithm, the HOS and GA-based filter can reject the interference more efficiently, is independent of uncorrelated Gaussian noise, tends to converge to the optimum solution and is much less sensitive to the choice of the step size parameter. Computer simulations show that the method can reject narrowband interference efficiently. A new Higher Order Statistics (HOS) and Genetic Algorithm (GA)-based interference rejection filter is introduced. Compared with the adaptive filters based on second-order statistics and gradient algorithm, the HOS and GA-based filter can reject the interference more efficiently, is independent of uncorrelated Gaussian noise, tends to converge to the optimum solution and is much less sensitive to the choice of the step size parameter. Computer simulations show that the method can reject narrowband interference efficiently.

作者 Gong Xiangyang Hu Guangrui Li Taijie (Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030)

出处《Journal of Electronics(China)》 2003年第2期97-101,共5页 电子科学学刊（英文版）

基金 Supported by the National Key Lab Foundation No.99JS 63.3.1.JW0301

关键词 Higher order statistics Genetic algorithm Adaptive filter Interference rejection 高次统计学遗传算法自适应滤波抗干扰度扩频通信

分类号 TN914.42 [电子电信—通信与信息系统]

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Journal of Electronics(China)

2003年第2期

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HOS AND GA BASED INTERFERENCE REJECTION IN DIRECT SEQUENCE SPREAD SPECTRUM COMMUNICATION SYSTEMS

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