{"id":6638,"date":"2026-08-16T22:06:29","date_gmt":"2026-08-16T14:06:29","guid":{"rendered":"\/jase\/?post_type=tkuisotope&p=6638"},"modified":"2026-08-23T15:57:30","modified_gmt":"2026-08-23T07:57:30","slug":"beamforming-techniques-at-both-transmitter-and-receiver-for-indoor-wireless-communication","status":"publish","type":"tkuisotope","link":"\/jase\/?tkuisotope=beamforming-techniques-at-both-transmitter-and-receiver-for-indoor-wireless-communication","title":{"rendered":"Beamforming Techniques at Both Transmitter and Receiver for Indoor Wireless Communication"},"content":{"rendered":"\n
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<\/i> 2018<\/a><\/p>\n<\/div>\n\n\n\n

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<\/i> Volume 21, Issue 3<\/a><\/p>\n<\/div>\n\n\n\n

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Chien-Ching Chiu1<\/sup><\/i><\/a>, Chien-Hung Chen1<\/sup>, Yu-Ting Cheng2<\/sup>, Yu-Lin Lee, Yu-Kai Chou1<\/sup><\/p>\n\n\n\n

1<\/sup>Department of Electrical Engineering, Tamkang University, Tamsui, Taiwan 251, R.O.C.<\/p>\n\n\n\n

2<\/sup>Department of Digital Game and Animation Design, Taipei University of Marine Technology, Tamsui, Taiwan 251, R.O.C.<\/p>\n<\/div>\n\n\n\n

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Received:\u00a0October 25, 2017
Accepted:\u00a0January 19, 2018
Publication Date:\u00a0August 16, 2018<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Block diagram of the simulated system.<\/p>\n<\/div>\n<\/div>\n\n\n\n

<\/i> Copyright <\/strong>The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0)<\/a>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.<\/p>\n\n\n\n

Download Citation:  BibTeX <\/a>| http:\/\/dx.doi.org\/10.6180\/jase.201809_21(3).0011<\/a>  <\/p>\n\n\n\n

Download PDF<\/a><\/p>\n\n\n\n

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In this paper, we use eight transmitter antennas and eight receiver antennas as the circle antenna arrays. Shooting and bouncing ray\/image (SBR\/Image) techniques combining with antenna pattern are used to calculate the impulse response in indoor wireless environment. Beamforming techniques are employed to reduce the multi-path effect of the channel and bit error rate (BER). We adjust the excitation amplitude and feed length of each array element to synthesize the pattern of the antenna array by using the genetic algorithms (GA) and self-adaptive dynamic differential evolution (SADDE). Numerical results show that SADDE algorithm outperforms GA algorithm in terms of bit error rate performance and convergence speed.<\/p>\n\n\n\n

Keywords: Circle antenna Array; Beamforming; GA; SADDE; BER<\/em><\/p>\n\n\n\n

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  1. [1] Ghavami, M., “Wideband Smart Antenna Theory Using Rectangular Array Structures,” IEEE Trans. Signal Processing, Vol. 50, No. 9, pp. 2143-2151 (2002). doi: 10.1109\/TSP.2002.801891<\/li>\n
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