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The Wireless Mesh Network (WMN) is an economical low-power solution to provide wireless broadband access in Intelligent Transportation Systems (ITSs). This paper investigates how to deploy Access Points (APs) to improve throughput and Quality-of-Service (QoS), when the multi-hop communication is used to extend the coverage of wireless ITS network. Frequency planning is suggested to improve the capacity with QoS provisioning and to make the system more scalable. To investigate the overall tradeoffs among QoS, throughput, and coverage, the authors develop an analytical model to evaluate throughput, frame delay, and jitter for the considered ITS WMN using the Carrier-Sense Multiple-Access (CSMA) Medium Access Control (MAC) protocol.
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