Optical Design and Engineering

Exploring the performance of indoor localization systems based on VLC-RSSI, including the effect of NLOS components using two light-emitting diode lighting systems

[+] Author Affiliations
Mohammed Abd Elkarim

Arab Academy for Science, Technology and Maritime Transport, College of Engineering and Technology, Photonic Research Lab, Electronics and Communications Engineering Department, Alexandria, Egypt

Modern Academy for Engineering and Technology, Maadi, Cairo 11585, Egypt

Nazmi A. Mohammed

New Cairo Academy for Science and Arts, Faculty of Engineering, New Cairo, Cairo 11835, Egypt

October 6 University, Photonic Research Center, 6th of October City, Giza 12566, Egypt

Moustafa H. Aly

Arab Academy for Science, Technology and Maritime Transport, College of Engineering and Technology, Photonic Research Lab, Electronics and Communications Engineering Department, Alexandria, Egypt

Opt. Eng. 54(10), 105110 (Oct 20, 2015). doi:10.1117/1.OE.54.10.105110
History: Received July 23, 2015; Accepted September 21, 2015
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Abstract.  We analyze the effect of diffuse reflection on indoor localization systems based on visible light communication. The target position is estimated using a received signal strength indication technique. Two lighting systems are considered: distinct and uniform lighting systems. Each utilizes commercially available light-emitting diodes and photodiodes with an illumination level conforming to standards. We introduce a comparative study between the two lighting systems through different transmitter (Tx) and receiver (Rx) essential parameters. The results show that the uniform lighting system achieves less localization error (20.43cm) than a distinct lighting system (45.9cm). The uniform lighting system is well adapted to low-Rx field of view (FOV) and narrow radiation angle (error=1mm when semiradiation angle=5deg). In the case of a distinct lighting system, low-Rx FOV is also required, while the Tx semiradiation angle needs to be determined carefully (error3.08cm when semiradiation angle=20deg). Finally, the uniform lighting system shows flexibility in the process of Tx and Rx designs. A uniform lighting system can utilize Rxs with narrow FOVs (8.6deg), while a distinct lighting system is limited to Rx with a wide FOV (53.96deg).

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Mohammed Abd Elkarim ; Nazmi A. Mohammed and Moustafa H. Aly
"Exploring the performance of indoor localization systems based on VLC-RSSI, including the effect of NLOS components using two light-emitting diode lighting systems", Opt. Eng. 54(10), 105110 (Oct 20, 2015). ; http://dx.doi.org/10.1117/1.OE.54.10.105110


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