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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41071

Title: A Cooperative MAC Protocol in Multi-Channel Wireless Ad Hoc Networks
Authors: sung-Chin Shih
Chien-Chi Kao
Shun-Ren Yang
Contributors: 國立臺灣海洋大學:通訊與導航工程學系
Keywords: multi-channel
Cooperative communication
Date: 2011
Issue Date: 2017-02-08T03:46:26Z
Publisher: Wireless Communications and Mobile Computing Conference (IWCMC), 2011 7th International
Abstract: Abstract: Many multi-channel Media Access Control (MAC) protocols have been studied in the past decade. With an eye to hardware cost and device capability, many researchers have proposed protocols using only one transceiver, even though the potential capacity of a multiple-transceiver network is higher than that of one with a single transceiver. In this paper, we introduce a novel, cooperative, multi-channel MAC protocol that incorporates the concept of cooperative communication into multi-channel MAC protocols, enabling a single transceiver to carry out the work of multiple transceivers. The proposed protocol, based on the well-known Slotted Seeded Channel Hopping (SSCH) multi-channel protocol, requires only one transceiver per device. For use in an IEEE 802.11 multi-channel multi-hop wireless network environment, our approach selects a relay node to become a virtual node with an intermediate node. We also design a channel assignment mechanism to let the virtual node transmit and receive data simultaneously on different channels, thus improving network performance. Simulation results show that our protocol significantly outperforms the original SSCH in terms of network capacity and average packet delay.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41071
Appears in Collections:[通訊與導航工程學系] 演講及研討會

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