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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 資訊工程學系 > 會議論文  >  An adaptive MAC protocol for wireless ad hoc networks using smart antenna system


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/14193


    Title: An adaptive MAC protocol for wireless ad hoc networks using smart antenna system
    Authors: Chen,Wen-Tsuen
    Pan,Meng-Shiuan
    Dai,Juin-Jia
    教師: 陳文村
    Date: 2004
    Publisher: Institute of Electrical and Electronics Engineers Inc
    Relation: Vehicular Technology Conference,2003.VTC 2003-Fall. 2003 IEEE 58th Volume5,6-9 Oct.2003 Page(s):2794-2798 Vol.5
    Keywords: Telecommunication networks
    Wireless telecommunication systems
    Network protocols
    Antennas
    Information analysis
    Global positioning system
    Signal interference
    Adaptive systems
    Channel capacity
    Abstract: In the wireless ad hoc networks, the channel is normally underutilized because of using the omnidirctional 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.
    Relation Link: http://ieeexplore.ieee.org/Xplore/dynhome.jsp
    URI: http://nthur.lib.nthu.edu.tw/handle/987654321/14193
    Appears in Collections:[資訊工程學系] 會議論文
    [通訊工程研究所] 會議論文
    [電腦與通訊科技研發中心] 會議論文

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