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Cross layer solution towards green hybrid optical wireless access network utilizing energy efficient of routing and modulation format

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4 Author(s)
Wong, M.A. ; Lightwave Commun. Res. Group, Fac. of Electr. Eng., Skudai, Malaysia ; Tan, W.C. ; Zulkifli, N. ; Idrus, S.M.

Energy consumption of ICT sector has become a contemporary issue since it is experiencing a rapid growth. Since, the access networks are estimated to consume nearly 70% of the total Internet energy consumption worldwide, an effective strategy to reduce energy consumption must consider the deployment of energy-efficient solutions within the access network domain. In specific, this paper focuses on the energy-aware solutions within the hybrid optical wireless access network (HOWAN) environment. Currently, majority of the works in Green HOWAN are still limited to a specific functional layer. Nevertheless, we believe that it is also important to investigate a more comprehensive energy-efficient solution that includes more than just one functional layer. This paper proposes a framework for an integrated green solution that takes into consideration both the transmission and network layers. Low power modulation format such as OFDM is proposed over HOWAN that runs green routing algorithm. Preliminary results show transmission and network layer analyses of OFDM format and green routing algorithm over HOWAN. Future work aims at incorporating information of OFDM energy model over green HOWAN network layer analysis.

Published in:

Photonics (ICP), 2012 IEEE 3rd International Conference on

Date of Conference:

1-3 Oct. 2012