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序號 學年期 教師動態
1 89/2 電機系 丘建青 教授 會議論文 發佈 Novel radiation pattern by genetic algorithms, in wireless communication , [89-2] :Novel radiation pattern by genetic algorithms, in wireless communication會議論文Novel radiation pattern by genetic algorithms, in wireless communicationChen, Chien-Hung; Chiu, Chien-Ching淡江大學電機工程學系New York: Institute of Electrical and Electronics Engineers (IEEE)Vehicular Technology Conference, 2001. VTC 2001 Spring. IEEE VTS 53rd (Volume:1 ), pp.8-12The genetic algorithm is used to synthesize the radiation pattern of the directional circular arc array to minimize the bit error rate (BER) performance in an indoor wireless communication system. By using the impulse response of the multipath channel, the performance of the synthesized antenna pattern on a BPSK (binary phase shift keying) system with phase and timing recovery circuits can be calculated. Based on the topography of the antenna and the BER formula, the synthesis problem can be reformulated into an optimization problem and solved by the genetic algorithm. Numerical results show that the synthesized antenna pattern is effective t
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