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MCMSDA: a multi-channel multi-sector directional antenna wireless LAN

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3 Author(s)
Yong Huang ; Electr. & Comput. Eng. Dept., Massachusetts Univ., Amherst, MA ; Gong, W. ; Gupta, D.

Recently there is an increasing interest in using directional antennas and multi-channel for ad-hoc wireless networks. The two techniques can also be used for infrastructure local area networks. In this paper, we present the architecture and the MAC layer design for a multi-channel multi-sector directional antenna wireless local area network (MCMSDA WLAN). This paper has three key components. First, we describe the network architecture and propose a TDMA-based MAC layer. Second, we formulate the channel time allocation problem as an optimization problem and introduce a Lagrangian relaxation based load-balancing algorithm as a solution. The simulation study shows that the algorithm obtains good sub-optimal solution very quickly. Finally, we propose two methods to accelerate the load-balancing process further

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World of Wireless, Mobile and Multimedia Networks, 2006. WoWMoM 2006. International Symposium on a

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