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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/77068

    Title: Effectiveness Analysis of Physical Carrier-sensing in IEEE 802.11 Wireless Networks
    Authors: 洪復一;Hung, Fu-yi
    Contributors: 淡江大學資訊創新與科技學系
    Keywords: 實體層載波偵測機制;無線隨意網路;IEEE 802.1;physical carrier-sensing mechanism;wireless ad hoc network;IEEE 802.11
    Date: 2012-06-01
    Issue Date: 2012-05-28 09:06:11 (UTC+8)
    Publisher: 臺北城市科技大學
    Abstract: Abstract: Physical carrier-sensing mechanism has been used as an effective way to alleviate interference in wireless networks, but it also constrains spatial reuse. The aggregate throughput in wireless ad hoc networks is a tradeoff between spatial reuse and interference avoidance. The influence of physical carrier-sensing on the aggregate network throughput has attracted several studies. Previous work investigated the interference with the packet reception at receivers and proposed the optimal carrier-sensing range to achieve the maximum aggregate throughput. However, the interference with the sender’s reception of the receiver’s acknowledgement (ACK) has been ignored. In this paper, we consider the influence of interference at both senders and receivers on the aggregate throughput in wireless ad hoc networks. We propose a spatiotemporal model that describes the effectiveness of the physical carrier-sensing mechanism.
    Relation: ITIA2012 資訊技術與產業應用研討會(2012 Conference on Information Technology and Industrial Application)
    Appears in Collections:[Department of Innovative Information and Technology] Proceeding

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