A MAC protocol for multi-channel multi-interface wireless mesh network using hybrid channel assignment scheme

Chi-Yu Li*, An Kai Jeng, Rong Hong Jan

*此作品的通信作者

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)

摘要

In recent years, Wireless Mesh Network (WMN) which uses a multi-hop configuration to extend the reach of the last-mile access to Internet has come into public notice. WMN improves network performance by the use of multiple orthogonal (non-overlapping) channels and multiple wireless interfaces. However, the Medium Access Control (MAC) protocol in IEEE 802.11 standard was designed and suited for only one channel and one interface. In this paper, we present a new MAC protocol which is specially designed for multi-channel and multi-interface WMNs. The proposed MAC protocol employs a hybrid channel assignment strategy to solve the rendezvous problem and a waiting time scheme for updating network allocation vectors (NAVs) to solve the multichannel hidden terminal problem. Simulation results show that the proposed protocol can achieve a better utilization of both interfaces and channels.

原文English
頁(從 - 到)1041-1055
頁數15
期刊Journal of Information Science and Engineering
23
發行號4
DOIs
出版狀態Published - 7月 2007

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