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Adaptive On-The-Go Scheduling for End-to-End Delay Control in TDMA-Based Wireless Mesh Networks
Abstract : Providing end-to-end delay bound for real-time applications is a major challenge in wireless mesh networks (WMNs) because the bandwidth requirements of flows are time-varied and the channel condition is unstable due to the wireless interference between the links. In this paper, we present a two-stage slot allocation mechanism in TDMA-based WMNs. First, we assume that the bandwidth requirement of each flow is given in the form of a range and use a distributed algorithm to pre-allocate time slots to each link. Then, we implement an On-The-Go scheduling scheme, which enables each link to schedule its transmission time promptly without coordinating with others. In contrast to traditional approaches, our method allows a degree of control over the collision probability, but it only requires a few control messages and the computational overhead is lower. The simulation results show that our mechanism performs efficiently and flexibly on supporting real-time applications in WMNs.
Cited literature [12 references]
https://hal.inria.fr/hal-01597968
Contributor : Hal Ifip <>
Submitted on : Friday, September 29, 2017 - 9:46:08 AM
Last modification on : Wednesday, January 24, 2018 - 10:46:02 AM
Long-term archiving on: : Saturday, December 30, 2017 - 1:13:51 PM
Contributor : Hal Ifip <>
Submitted on : Friday, September 29, 2017 - 9:46:08 AM
Last modification on : Wednesday, January 24, 2018 - 10:46:02 AM
Long-term archiving on: : Saturday, December 30, 2017 - 1:13:51 PM
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