Fair Scheduling for Hybrid Mesh Network Interconnecting Video Sensors

TitleFair Scheduling for Hybrid Mesh Network Interconnecting Video Sensors
Publication TypeConference Paper
Year of Publication2006
AuthorsLee, K. - D., and V. C. M. Leung
Conference NameMobile Adhoc and Sensor Systems (MASS), 2006 IEEE International Conference on
Pagination759 -764
Date Publishedoct.
Keywordsfair scheduling method, power consumption, probability, scheduling, telecommunication network topology, telecommunication traffic, traffic grooming, video sensor network, video streaming, VSN, wireless mesh network, wireless sensor networks, WMN

In this paper, we consider deployment of a wireless mesh network (WMN) to interconnect a video sensor network (VSN) and improve its energy efficiency. We propose a scheduling method for mesh nodes that performs fair scheduling if there is sufficient link capacity, and perform traffic grooming followed by scheduling using a novel constraint relaxation method if link capacity is insufficient. The resulting improvement in energy efficiency of the VSN is evaluated. Results show remarkable savings in power consumption of sensor nodes when a VSN is interconnected with a WMN: energy consumption in the VSN is reduced by approximately 55-79% when the probability that a sensor node can forward traffic to a mesh node is 50%


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