On the performances of IEEE 802.16(d) mesh CDS-mode networks using Single-Switched-Beam Antennas

Authors:
Chih-Che Lin;Shie-Yuan Wang;Teng-Wei Hsu
Affiliations:
Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan;Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan;Department of Computer Science, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking
Year:
2012

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Abstract

The IEEE 802.16(d) mesh coordinated distributed scheduling (CDS) mode is a novel technology for future fixed wireless backbone networks and designed for the use of omnidirectional antennas. The use of Single-Switched-Beam Antennas (SSBAs) may have great potential to increase network capacity due to the antenna directivity. However, a network designed for omnidirectional antennas usually cannot operate well or achieve good performance with the presence of antenna directivity. In this paper, we review the designs of the IEEE 802.16 mesh CDS-mode network, study the issues of this network with the use of Single-Switched-Beam Antennas (SSBAs), and propose a complete solution to solve these issues. The performances of our proposed scheme is evaluated using simulations. The simulation results show that our proposed scheme can effectively solve the issues of using SSBAs in the IEEE 802.16 mesh CDS-mode network and greatly increase its network capacity.