The field of visible light communications (VLC) has gained significant interest over the last
decade, in both fibre and free-space embodiments. In fibre systems, the availability of low …

Due to the dramatic increase in high data rate services and in order to meet the demands of
the fifth-generation (5G) networks, researchers from both academia and industry are …

In this paper, the impact of clip** noise on optical wireless communication (OWC) systems
employing orthogonal frequency division multiplexing (OFDM) is investigated. The two …

An optical attocell network is proposed as an indoor small-cell cellular network based on
visible light communication. In this paper, the downlink performance of optical attocell …

This paper analyzes the performance of indoor orthogonal frequency division multiplexing
(OFDM) optical wireless communication systems in the presence of light emitting diode …

In this paper, a piecewise polynomial function is proposed as a generalized model for the
nonlinear transfer characteristic of the transmitter for optical wireless communications …

Many physical devices used in VLC systems exhibit nonlinear effects, which can significantly
degrade the overall system performance. For example, the LED is the major source of …

Recently, visible light communication (VLC) has attracted much attention as a possible
candidate technology to meet the ever growing demand in wireless data. However, current …

A number of inherently unipolar orthogonal frequency division multiplexing (OFDM)
modulation schemes have been introduced recently in an attempt to improve the energy …

This paper investigates the use of a pilot signal in reducing the electrical peak-to-average
power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) intensity …