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    NTHUR > Presidents > Chen, Wen-Tsuen (2006-2010)  > CWT Conference papers >  An Adaptive MAC Protocol for Wireless Ad Hoc Networks using Smart Antenna System

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    Title: An Adaptive MAC Protocol for Wireless Ad Hoc Networks using Smart Antenna System
    Authors: W. T. Chen;Meng-Shiuan Pan
    Teacher: 陳文村
    Date: 2003
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: Proceedings of VTC-2003/Fall - IEEE 58th Vehicular Technology Conference, Institute of Electrical and Electronics Engineers, Orlando, Florida, 6-9 October 2003, pages 2794-2798
    Keywords: Ad hoc networks
    Adaptive arrays
    Antenna arrays
    Array signal processing
    Directive antennas
    Global Positioning System
    Media Access Protocol
    Mobile ad hoc networks
    Power control
    Wireless application protocol
    Abstract: In the wireless ad hoc networks, the channel is normally underutilized because of using the omnidirectional antennas. In this paper, we designed an adaptive MAC protocol using the smart antenna systems to improve the channel utilization of the wireless ad hoc networks. Nodes utilize the position information gathered by GPS to steer their main lobes to the desired directions, and perform the power control to further increase the channel utilization. Moreover, the neighbors adaptively adjust their antenna beam patterns to avoid interfering with the communicating nodes. The simulation results show that the network throughput can be efficiently improved when applying our adaptive MAC protocol using smart antenna system.
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    Appears in Collections:[Chen, Wen-Tsuen (2006-2010) ] CWT Conference papers
    [Department of Computer Science] CS Conference Papers

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