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This paper proposes an integrated visible light communication and positioning (VLCP) system using filter bank multicarrier-based subcarrier multiplexing. Simulation results show that the proposed VLCP system achieves higher positioning accuracy and better bit error rate performance than the VLCP system using conventional orthogonal frequency division multiplexing-based subcarrier multiplexing.
We propose a novel channel estimation technique for intensity modulation/direct detection (IM/DD) based orthogonal frequency division multiplexing visible light communication (OFDM-VLC) systems, utilizing sparse Bayesian dual-variate relevance vector machine (RVM) regression. By exploiting sparse Bayesian framework, dual-variate RVM regression can provide accurate estimation of the real and imaginary...
We propose a non-Hermitian symmetry orthogonal frequency division multiplexing (NHS-OFDM) scheme for indoor space division multiplexing based visible light communication (SDM-VLC) systems. NHS-OFDM removes the constraint of Hermitian symmetry and generates light-emitting diode (LED) compatible real-valued signals by parallelly transmitting the real (Re) part and the imaginary (Im) part of a complex-valued...
This paper proposes two techniques to improve the communication coverage of an indoor space division multiplexing visible light communication (SDM-VLC) system. One technique is a non-Hermitian symmetry orthogonal frequency division multiplexing (NHS-OFDM) scheme which can be achieved by parallelly transmitting the real (Re) and imaginary (Im) parts of a complex-valued OFDM signal via a pair of white...
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