Performance of carrier-less amplitude and phase modulation with frequency domain equalization for indoor visible light communications

Long, Shihe, Khalighi, Mohammad-Ali, Wolf, Mike, Ghassemlooy, Zabih and Bourennane, Salah (2015) Performance of carrier-less amplitude and phase modulation with frequency domain equalization for indoor visible light communications. In: Optical Wireless Communications (IWOW), 2015 4th International Workshop on, 7-8 September 2015, Istanbul.

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Abstract

Carrier-less amplitude and phase (CAP) modulation has recently been considered as an alternative to optical orthogonal-frequency-division-multiplexing (O-OFDM) in visible light communication (VLC) systems. The main advantages of CAP over O-OFDM are its lower implementation complexity at the transmitter side and its lower peak-to-average power ratio. Here, we consider CAP modulation where matched filtering and equalization at the receiver are performed in the frequency domain, resulting in reduced system complexity. Through numerical results we investigate the performance of this transmission scheme and, in particular, study the impact of the roll-off factor and the length of the pulse shaping filters.

Item Type:	Conference or Workshop Item (Paper)
Subjects:	H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Becky Skoyles
Date Deposited:	31 Mar 2016 12:26
Last Modified:	12 Oct 2019 19:21
URI:	http://nrl.northumbria.ac.uk/id/eprint/26480

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