On the Implementation of Carrierless Amplitude and Phase Modulation in Visible Light Communication | Zendy

Kabiru O. Akande | Zendy; Paul Anthony Haigh | Zendy; Wasiu O. Popoola | Zendy

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On the Implementation of Carrierless Amplitude and Phase Modulation in Visible Light Communication

Author(s) -

Kabiru O. Akande,

Paul Anthony Haigh,

Wasiu O. Popoola

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2876001

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

Carrierless amplitude and phase modulation (CAP) is one of the spectrally efficient schemes that have been proposed to tackle the limited modulation bandwidth challenge in visible light communication (VLC). The VLC technology leverages existing lighting fixtures to provide wireless data communication, which makes it attractive for many applications. However, the commercially available white light emitting diodes (LEDs) that are predominantly employed in VLC offer low modulation bandwidths that limit the achievable data rate. Thus, CAP modulation is employed to improve achievable data rate, primarily due to its implementation simplicity and high spectral efficiency. The CAP scheme also has a special feature in that it can be implemented as a single band or a multiband scheme which provides design flexibility. This paper presents an in-depth study of the implementation of CAP in LED-based VLC systems, highlighting the unique features that make it specially suited for VLC applications. Furthermore, a comprehensive investigation is carried out regarding the design parameters of the CAP modulation transceiver, its benefits, and techniques to mitigate the challenges of CAP-based VLC systems.

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