Demonstration of non-Hermitian symmetry (NHS) serial-complex-valued orthogonal frequency division multiplexing (SCV-OFDM) for white-light visible light communication (VLC)
| Autor: | Chien-Hung Yeh, Chi-Wai Chow, Assaidah Adnan, Yang Liu |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Orthogonal frequency-division multiplexing
Computer science Fast Fourier transform Transmitter Visible light communication Data_CODINGANDINFORMATIONTHEORY Multiplexing Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Encoding (memory) Hermitian function Electronic engineering Electrical and Electronic Engineering Decoding methods |
| Zdroj: | OSA Continuum. 3:1163 |
| ISSN: | 2578-7519 |
| DOI: | 10.1364/osac.391483 |
| Popis: | We demonstrate a non-Hermitian symmetry orthogonal frequency division multiplexing (NHS OFDM), known as serial-complex-valued (SCV)-OFDM for the white-light phosphor-based light-emitting-diode (LED) visible light communication (VLC) system. The white-light LED system can provide both VLC and lighting simultaneously. The proposed scheme is based on the fast-Fourier-transform (FFT)/invert-FFT (IFFT) size efficient technique proposed before. The real (Re) and imaginary (Im) parts of the complex-valued OFDM signals are extracted and time-serially multiplexed to achieve NHS. The proposed scheme is simple and only needs a single LED transmitter (Tx) and one receiver (Rx). The encoding and decoding of the proposed SCV-OFDM are also discussed. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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