教師資料查詢 | 類別: 期刊論文 | 教師: 丘建青 Chiu Chien-ching (瀏覽個人網頁)

標題:BER Reduction for Ultra Wideband Multicasting System by Beamforming Techniques
學年107
學期1
出版(發表)日期2018/12/01
作品名稱BER Reduction for Ultra Wideband Multicasting System by Beamforming Techniques
作品名稱(其他語言)
著者G. D. Lai; C. C. Chiu; Y. T. Cheng
單位
出版者
著錄名稱、卷期、頁數Journal of Applied Science and Engineering 21(4), p.587-594
摘要In this paper, the ultra-wideband circle antenna array (UCAA) with beamforming techniques combining self-adaptive dynamic differential evolution (SADDE) to minimize the multi-path effect of the channel and bit error rate (BER) for multicasting in indoor ultra-wideband (UWB) communication system is proposed. The UWB impulse responses of the indoor channel for any transmitter-receiver location are computed by SBR/image techniques, inverse fast Fourier transform and Hermitian processing. By using the impulse response of multipath channel, the BER performance of binary pulse amplitude modulation (B-PAM) impulse radio (IR) UWB system with circular antenna array can be calculated. Based on the topography of the antenna and the BER formula, the array pattern synthesis problem can be reformulated into an optimization problem and solved by SADDE. The approach is not only choosing BER as the fitness function, but also practically considering the excitation amplitude and feed length of each array element. Numerical results show that using beamforming techniques, changing the number of transmitter and receiver antennas from 8 to 16 can apparently synthesize the radiation pattern of the directional UCAAto reduce the BER for multicasting system.
關鍵字UWB, BER, Self-adaptive Dynamic Differential Evolution, Circular Antenna Array, SBR/image
語言英文
ISSN
期刊性質國外
收錄於EI;ESCI;
產學合作
通訊作者
審稿制度
國別中華民國
公開徵稿
出版型式,電子版
Google+ 推薦功能,讓全世界都能看到您的推薦!