Simulation of MIMO channel characteristics for indoor visible light communication with LEDs

被引：11
|
作者：
Tan, J. J. [1 ]
Zou, C. Q. [1 ]
Du, S. H. [1 ]
Tan, J. T. [2 ]
机构：
[1] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang 421002, Peoples R China
[2] Hengyang Hengyi Instrument & Elect Equipment Ltd, Hengyang 421008, Peoples R China
来源：
OPTIK | 2014年 / 125卷 / 01期
关键词：
Visible light communication; White LED; Optical multiple input multiple output; Impulse response; Frequency response; Indoor optical wireless channel; RAY-TRACING ALGORITHM; WIRELESS OPTICAL CHANNELS; IMPULSE-RESPONSE; EMITTING DIODE; TRANSMISSION; SYSTEMS; MODEL;
D O I：
10.1016/j.ijleo.2013.06.071
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In order to study the characteristics of multiple input and multiple output (MIMO) channel, first, the basic components of the communication system are analyzed. And then, we present a simplified ray tracing method for optical MIMO system to obtain its channel impulse response and frequency response. This method using ray tracing to calculate the impulse of the channel limits the reflections within three times. Finally, its validity is verified by the numerical simulations, and its simulation results have been discussed. The channel bandwidth is gradually narrow, direct response is getting small, and the first response becomes large from the center to the corner. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：44 / 49
页数：6
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