MIMO Techniques in a Visible Light Communication (VLC) Link with Imager

被引：1
|
作者：
Le Priol, Robin [1 ]
Helard, Maryline [1 ]
Haese, Sylvain [1 ]
Roy, Sebastien [2 ]
机构：
[1] Univ Rennes, INSA Rennes, IETR, CNRS,UMR 6164, Rennes, France
[2] Univ Sherbrooke, Dept Elect & Comp Engn, Sherbrooke, PQ, Canada
来源：
2022 20TH IEEE INTERREGIONAL NEWCAS CONFERENCE (NEWCAS) | 2022年
关键词：
Visible light communication (VLC); multiple-input multiple-output (MIMO); light-emitting diode (LED); spatial multiplexing (SMP); spatial modulation (SM); imaging receiver; indoor illumination; TRANSMISSION;
D O I：
10.1109/NEWCAS52662.2022.9842022
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
An investigation of MIMO (multiple-input multiple-output) modulation techniques is presented in the context of a short-range Visible Light Communication (VLC) link compatible with the lighting function of common LED-based luminaires. A 2x2 VLC test bench was constructed based on typical low-cost components (white LEDs and photodiodes) and the use of an imaging lens to separate the transmitted streams at the receiver. Two transmission schemes are compared, both based on pulse amplitude modulation (PAM): spatial modulation (SM) and spatial multiplexing (SMP). BER performance is assessed through simulation based on channel characteristics measured on the test bench for both perfect alignment and laterally offset (misaligned) geometries. SMP is found to yield superior BER performance at the same spectral efficiency.
引用
收藏
页码：270 / 274
页数：5
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