6 October 2017 Energy reduction using multi-channels optical wireless communication based OFDM
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Abstract
In recent years, an increasing number of data center networks (DCNs) have been built to provide various cloud applications. Major challenges in the design of next generation DC networks include reduction of the energy consumption, high flexibility and scalability, high data rates, minimum latency and high cyber security. Use of optical wireless communication (OWC) to augment the DC network could help to confront some of these challenges. In this paper we present an OWC multi channels communication method that could lead to significant energy reduction of the communication equipment. The method is to convert a high speed serial data stream to many slower and parallel streams and vies versa at the receiver. We implement this concept of multi channels using optical orthogonal frequency division multiplexing (O-OFDM) method. In our scheme, we use asymmetrically clipped optical OFDM (ACO-OFDM). Our results show that the realization of multi channels OFDM (ACO-OFDM) methods reduces the total energy consumption exponentially, as the number of channels transmitted through them rises.
Conference Presentation
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Laialy Darwesh, Shlomi Arnon, "Energy reduction using multi-channels optical wireless communication based OFDM", Proc. SPIE 10437, Advanced Free-Space Optical Communication Techniques and Applications III, 1043704 (6 October 2017); doi: 10.1117/12.2279380; https://doi.org/10.1117/12.2279380
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