Volume 12, Number 1, September 2016 - DOI: http://dx.doi.org/10.21700/ijcis.2016.273


Computing and Information Sciences is a peer reviewed journal that is committed to timely publication of original research, surveying and tutorial contributions on the analysis and development of computing and information science. The journal is designed mainly to serve researchers and developers, dealing with information and computing. Papers that can provide both theoretical analysis, along with carefully designed computational experiments, are particularly welcome. The journal is published 2-3 times per year with distribution to librarians, universities, research centers, researchers in computing, mathematics, and information science. The journal maintains strict refereeing procedures through its editorial policies in order to publish papers of only the highest quality. The refereeing is done by anonymous Reviewers. Often, reviews take four months to six months to obtain, occasionally longer, and it takes an additional several months for the publication process.

DOI: http://dx.doi.org/10.21700/ijcis.2016.105

Integrated Broadband Powerline and Visible Light Communication (VLC) using OFDM and Turbo Coding

Nader Nassar
Nidhal Abdulaziz* email: nidhal@uow.edu.au 

1 University of Wollongong in Dubai, Dubai, United Arab Emirates

*Corresponding author.

Received: 30 July 2016
Revised: 10 August 2016
Accepted: 25 August 2016
Published: 27 September 2016

Abstract:: This paper is focused on the communication scheme and its integration of Power Line Communication (PLC) and Visible Light Communication (VLC) systems. As the power line communication is becoming more popular in the last mile and home networking. In order to make the Power Line Communication (PLC) based networks more practical by having mobility at the last inch connectivity the VLC can be utilised. Some work has been done in the area of using power line for communications but these systems suffer from noise, inter symbol interference (ISI), and distortion. Most of the current proposed integrated systems are through Direct Sequence Spread Spectrum (DSSS) and OFDM techniques, where they are considered as candidates for future broadband PLC networks. Our work is different in a sense that it is incorporating turbo codes in the integrated system to increase the system robustness to noise, ISI and distortion. The signal data to be transmitted will be connected through the Power Line modulator which is connected to the wall socket. The PLC modulator is then connected to the VLC modulator for the transmission of the signal in the air. At the receiver side however, the transmitted signal is then received through the VLC demodulator followed by the PLC demodulator. By introducing the turbo coder and decoder we were able to achieve a better performance for the integrated system to noise, ISI, and distortion. The performance of the system was measured through comparing the BER rate for the system with and without the turbo codes. The BER rate was also measured with respect to the signal to noise ratio, and data rate. Simulation results using Matlab was conducted to show the systems performance towards noise and other factors. A practical implementation for the PLC was assembled to better support the simulation results.

Keywords: Power Line Communication System (PLC); Visible Light Communication System (VLC); band-pass Dilter (BPF); Signal-to-noise Ratio (SNR); Non Line of Sight (NLOS).

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