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Precoded Single-Cell Multi-User MISO Visible Light Communications

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Original languageEnglish
Title of host publication21st European Wireless (EW)
Publication statusPublished - 2015


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.

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