Time Difference of Arrival Based Indoor Positioning System Using Visible Light Communication

被引：40

作者：

Sheikh, Saad Mehmood ^{[1
]}

Asif, Hafiz M. ^{[4
]}

Raahemifar, Kaamran ^{[2
,3
,4
]}

Al-Turjman, Fadi ^{[5
]}

机构：

[1] COMSATS Univ Islamabad, Dept Elect & Comp Engn, Lahore Campus, Lahore 54000, Pakistan

[2] Penn State Univ, Data Sci & Artificial Intelligence Program, Coll Informat Sci & Technol IST, State Coll, PA 16801 USA

[3] Univ Waterloo, Sch Optometry & Vis Sci, Fac Sci, Fac Engn,Dept Chem Engn, Waterloo, ON N2L 3G1, Canada

[4] Sultan Qaboos Univ, Dept Elect & Comp Engn, Muscat 123, Oman

[5] Near East Univ, Artificial Intelligence Engn Dept, Res Ctr AI & IoT, Mersin 10, TR-99138 Nicosia, Turkey

来源：

IEEE ACCESS | 2021年 / 9卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Visible light communication; Mathematical model; Location awareness; Real-time systems; Radio frequency; Light emitting diodes; Estimation; IPS; RSSI; TDoA; trilateration or multilateration; NS-3; simulator; TRANSCEIVER DESIGN; NETWORK; VLC;

D O I：

10.1109/ACCESS.2021.3069793

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Visible Light Communication (VLC) is a novel optical wireless communication technology which uses Light Emitting Diodes (LEDs) and Photodiodes for coherent detection and very-high-data rate data communication system. The stringent Line of Sight (LoS) requirement in VLC makes it very suitable for Indoor Positioning System (IPS), to be used for autonomous and smart city infrastructure. The current work aims to implement a real time IPS system using VLC link in Network Simulator (NS-3). The VLC module is implemented by modelling real-time attributes of LEDs, optical channel, and the photodiodes. The localization is carried out using trilateration schemes which measures the Received Signal Strength Indication (RSSI) and the Time Difference of Arrival (TDoA) for position estimation of the target. The project is further extended to obtain a comparative analysis between VLC link and other existing technology, Wi-Fi, as far as positioning accuracy and other important performance metrics are concerned. The simulation results show significant improvement for the VLC link over the Wi-Fi link specially for the TDoA scheme accompanied by increasing number of beacon nodes.

引用

页码：52113 / 52124

页数：12

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