Title :
Improvement of channel bandwidth in optical wireless OFDM link based on visible light emitting diode using compressive sensing
Author :
Yong-Yuk Won ; Sang Min Yoon
Author_Institution :
Yonsei Inst. of Convergence Technol., Yonsei Univ., Incheon, South Korea
Abstract :
The data rate of VLC link is increased using an adaptive sampling and inverse discrete cosine transform based on a compressive sensing. At the compression ratio of 30 %, the measured EVM of QPSK is 22.39 %.
Keywords :
OFDM modulation; compressed sensing; data compression; discrete cosine transforms; inverse transforms; light emitting diodes; optical communication; signal sampling; EVM measurement; QPSK; VLC link; adaptive sampling; channel bandwidth improvement; compressive sensing; data rate; inverse discrete cosine transform; optical wireless OFDM link; visible light emitting diode; Bandwidth; Light emitting diodes; OFDM; Phase shift keying; Vectors; Wireless communication; Wireless sensor networks; compressive sensing; orthogonal frequency division multiplexing; visible light communication;
Conference_Titel :
Optical Internet 2014 (COIN), 2014 12th International Conference on
Conference_Location :
Jeju
DOI :
10.1109/COIN.2014.6950553
