Opportunistic Frame Forwarding in Wireless Mesh Networks

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題名:	Opportunistic Frame Forwarding in Wireless Mesh Networks
作者:	Liang, Shih-Tsung;梁世聰;Song, Bo-Yi;Su, Yu-Yao
貢獻者:	臺北市立大學資訊科學系
關鍵詞:	Deterministic Routing;Opportunistic Routing;Wireless Mesh Networks
日期:	2015-05
上傳時間:	2019-02-14
摘要:	Opportunistic routing has been shown to achieve the high throughput of the wireless mesh network with lossy channels. Different from deterministic routing mechanisms in which a frame is transmitted and forwarded along with a fixed and predetermined path, the opportunistic routing technique allows multiple nodes hearing the frame to form the forwarder set containing promising candidates for the frame forwarding. Existing opportunistic routing protocols typically choose among forwarding candidates based on the decision made from the transmitter disregarding the current loads in candidates. In this paper, the opportunistic frame forwarding mechanism with considering backlog of frames among forwarders is proposed and analyzed. Specifically, in addition to take into account the delivery probability, our proposal restricts members of the forwarder set for a given transmitter to those wireless nodes whose transmission range covers one another and makes the true forwarder picked from the forward set of a given transmitting frame being the one who gains access to wireless channel for the frame before others do. Therefore, the efficient and load-balanced opportunistic routing for wireless mesh networks can be achieved. Analytic results show that the proposed method compared to the deterministic routing methodology can achieve the high frame delivery ratio.
關聯:	Applied Mechanics and Materials，Vols. 764-765，P.941-945
顯示於類別:	[資訊科學系] 期刊論文

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