Wide-FOV and High-Gain Imaging Angle Diversity Receiver for Indoor SDM-VLC Systems

• Published in: IEEE photonics technology letters Vol. 28; no. 19; pp. 2078 - 2081
• Main Authors: Chen Chen, Wen-De Zhong, Dehao Wu, Ghassemlooy, Zabih
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.10.2016; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: angle diversity; Computer simulation; Detectors; Division; Gain; Imaging; imaging receiver; Lenses; Light emitting diodes; Mathematical analysis; Multiplexing; Optical filters; Optical imaging; Optical receivers; Receivers; space division multiplexing; spatial diversity; Visible light communication
• ISSN: 1041-1135; 1941-0174
• DOI: 10.1109/LPT.2016.2584185

We propose an imaging receiver (ImR) using angle diversity detectors for indoor space division multiplexing-based visible light communication (SDM-VLC) systems. Compared with a conventional ImR which utilizes vertically oriented detectors, the proposed imaging angle diversity receiver (ImADR) enjoys two main advantages, including a wider field-of-view (FOV) and higher optical gain. Both theoretical analysis and Monte Carlo simulations are carried out to evaluate the performance of the proposed ImADR in an indoor four-channel SDM-VLC system. Analytical results show that, for a target bit error rate of 10 -3 , the proposed ImADR-based SDM-VLC system achieves 44% reduction in the transmit optical power and 130% coverage improvement than the system using a conventional ImR.