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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/106214


    Title: A Stepwise Multichannel MAC Protocol for Improving Bandwidth Utilization in Wireless Ad Hoc Networks
    Authors: Chih-Yung Chang;Chao-Tsun Chang;Leon Zhao;Zaixiu Dong;Cheng-Chang Chen
    Keywords: Ad hoc network;hidden terminal problem;multichannel;multichannel medium access control (MAC);rendezvous problem
    Date: 2017-12
    Issue Date: 2016-04-22 13:42:02 (UTC+8)
    Publisher: Institute of Electrical and Electronics Engineers
    Abstract: Multichannel media access control (MAC) protocols
    can increase wireless network capacities. The rendezvous problem is the most frequently encountered challenge in developing multichannel MAC protocols. Some studies have assumed that
    each device is equipped with one additional antenna; however, this increases the hardware cost. Other studies have divided the timeline of each channel into several beacon intervals. All stations are awake simultaneously on a predefined channel to enable
    rendezvous opportunities; however, this leads to low bandwidth utilization. This paper presents an efficient staggered multichannel MAC protocol (SMC-MAC) for ad hoc networks. By using a single antenna, the proposed SMC-MAC applies a staggered channel
    model with a home channel concept for exploiting multichannel bandwidth resources. Performance results reveal that the proposed SMC-MAC outperforms existing multichannel MAC protocols
    in terms of network throughput, control packet collision ratio, packet delay time, packet discarding, packet loss ratio, control overhead, and robustness.
    Relation: IEEE Systems Journal, 11(4), pp. 2444-2455
    DOI: 10.1109/JSYST.2015.2487742
    Appears in Collections:[資訊工程學系暨研究所] 期刊論文

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