Ultra-wide band channel calculation by SBR/image techniques for indoor communication

被引:30
|
作者
Chen, CH [1 ]
Liu, CL [1 ]
Chiu, CC [1 ]
Hu, TM [1 ]
机构
[1] Tamkang Univ, Dept Elect Engn, Tamsui 25137, Taiwan
关键词
D O I
10.1163/156939306775777387
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, we use ray tracing techniques and inverse Fourier transform to compute the impulse responses for ultra-wide band (UWB) indoor communication. First, the frequency responses of different indoor environments for any transmitter-receiver location are computed by shooting and bouncing ray/image (SBR/Image) techniques UWB frequency ranges. The frequency dependence utilized in the structure on the indoor channel is accounted for in the channel calculation. Then, the impulse responses of channel is obtained by applying inverse Fourier transform to transform the frequency domain data into time domain. A realistic complex environment is simulated by our proposed method. By using the obtained impulse responses of these multi-path channels, the impact of metallic furniture to indoor multi-path environment is investigated. Numerical results have shown that the multi-path effect with metallic cabinets is more severe than without metallic cabinets. Moreover, it is also found that when the receiver is located near metallic furniture, the multi-path effect caused by the metallic furniture is severe.
引用
收藏
页码:41 / 51
页数:11
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