Precoded single-cell multi-user MISO visible light communications
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Date
2015
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Publisher
Institute of Electrical and Electronics Engineers Inc.
Abstract
This study investigates the effects of transmitter and receiver parameters on the performance of a precoded singlecell (SC) multi-user (MU) multi-input-single-output (MISO) visible light communication (VLC) system. A zero-forcing (ZF) precoding technique is used within the constraints of optical transmission power and non-negativity of an intensity modulated (IM) transmitted signal. The simulation results show that the physical features of the light emitting diode (LED) and photodiode (PD) have a significant effect on the bit error rate (BER) and total spectral efficiency (SE) performance of the VLC system. The deployment with 8 users and 45o receiver field-of-view (FOV) achieves both the targeted BER and approximately 50 bits/s/Hz total SE when the transmitter semi-angles are 30o and 60o. © VDE Verlag GMBH Berlin Offenbach Germany.
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