Exploring the effect of diffuse reflection on indoor localization systems based on RSSI-VLC

被引：62
作者：
Mohammed, Nazmi A. [1 ]
Abd Elkarim, Mohammed [1 ,2 ]
机构：
[1] MUST, Fac Engn, 6th Of October City, Egypt
[2] Arab Acad Sci Technol & Maritime Transport, Alexandria, Egypt
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 16期
关键词：
VISIBLE-LIGHT COMMUNICATION; CARRIER ALLOCATION;
D O I：
10.1364/OE.23.020297
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This work explores and evaluates the effect of diffuse light reflection on the accuracy of indoor localization systems based on visible light communication (VLC) in a high reflectivity environment using a received signal strength indication (RSSI) technique. The effect of the essential receiver (Rx) and transmitter (Tx) parameters on the localization error with different transmitted LED power and wall reflectivity factors is investigated at the worst Rx coordinates for a directed/overall link. Since this work assumes harsh operating conditions (i.e., a multipath model, high reflectivity surfaces, worst Rx position), an error of >= 1.46 m is found. To achieve a localization error in the range of 30 cm under these conditions with moderate LED power (i.e., P = 0.45 W), low reflectivity walls (i.e.,. = 0.1) should be used, which would enable a localization error of approximately 7 mm at the room's center. (C) 2015 Optical Society of America
引用
收藏
页码：20297 / 20312
页数：16
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