Green-inspired hybrid FSO/RF wireless backhauling and basic access signalling for next generation metrozones

Lee, It Ee, Ghassemlooy, Zabih, Ng, Wai Pang and Khalighi, Mohammad-Ali (2012) Green-inspired hybrid FSO/RF wireless backhauling and basic access signalling for next generation metrozones. In: Proceedings of the 2nd International Symposium on Environment Friendly Energies and Applications (EFEA), 2012. IEEE, Piscataway, NJ, pp. 230-236. ISBN 978-1467329095

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With the adoption of the fourth generation (4G) technologies, the green Metrozones concept presents a viable approach to address the non-negligible presence of power-hungry base transceiver stations (BTSs), and the mushrooming of metro access points (M-APs); and their contributions to the world's carbon footprint. This paper proposes a new hybrid-BTS (H-BTS) system architecture for the green Metrozones. The hybrid free-space optical and radio frequency (FSO/RF) system is integrated at the macro-cellular tier, to enable high-capacity, power-efficient wireless backhauling. A resource prioritization mechanism is designed, to maintain good control and optimal on-demand resource allocation. Next, a basic access signalling (BAS) scheme is introduced, to necessitate the discovery, registration and monitoring of active M-APs. The proposed BAS scheme enables the sleep-wake-on-demand (SWoD) mechanism and the cooperative inter-cell support. Furthermore, preliminary feasibility studies are carried out to examine the time-varying characteristics of the BTS daily traffic profile, and the performance of the proposed hybrid FSO/RF systems under different weather conditions.

Item Type: Book Section
Uncontrolled Keywords: 60 GHz radio frequency (RF) links, free-space optical (FSO) communications, metrozones, basic access signalling, hybrid FSO/RF systems
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
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Depositing User: Sarah Howells
Date Deposited: 17 Sep 2012 13:09
Last Modified: 12 Oct 2019 22:29

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