NDLI: Adaptive Pattern Nulling Design of Linear Array Antenna by Phase-Only Perturbations Using Memetic Algorithms

Content Provider	IEEE Xplore Digital Library
Author	Chao-Hsing Hsu Wen-Jye Shyr Chun-Hua Chen
Copyright Year	2006
Description	Author affiliation: Dept. of Electron. Eng., Chienkuo Technol. Univ. (Chao-Hsing Hsu)
Abstract	In this paper, the pattern nulling of a linear array for interference cancellation is derived by phase-only perturbations using memetic algorithm. It is proposed to improve the search ability of genetic algorithms. Memetic algorithm is a kind of an improved type of the traditional genetic algorithm. By using local search procedure, it can avoid the shortcoming of the traditional genetic algorithm, whose termination criteria are set up by using the trial and error method. The memetic algorithm is applied to find the pattern nulling of the proposed adaptive antenna. This design for radiation pattern nulling of an adaptive antenna can suppress interference by placing nulls at the directions of the interfering sources, i.e., to increase the signal to interference ratio (SIR). This proposed method is that an innovative adaptive antenna optimization technique is also able to solve the multipath problem which exists in practical wireless communication systems. The example is provided to justify the proposed phase-only perturbations approach based on memetic algorithms. Computer simulation results are given to demonstrate the effectiveness of the proposed method
Sponsorship	IEEE ICIC Int. National Natural Sci. Found. of China Beijing Jiaotong Univ. Kaosiung Univ. of Appl. Sci
Starting Page	308
Ending Page	311
File Size	136053
Page Count	4
File Format	PDF
ISBN	0769526160
DOI	10.1109/ICICIC.2006.405
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased arrays Algorithm design and analysis Interference suppression Interference cancellation Adaptive arrays Directive antennas Linear antenna arrays Signal design Genetic algorithms Antenna radiation patterns
Content Type	Text
Resource Type	Article

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