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    Delay Aware Joint Routing and Scheduling for Multi-Tx-Rx Wireless Mesh Networks

    Access Status
    Fulltext not available
    Authors
    Wang, L.
    Chin, K.
    Raad, R.
    Soh, Sie Teng
    Date
    2014
    Type
    Conference Paper
    
    Metadata
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    Citation
    Wang, L. and Chin, K. and Raad, R. and Soh, S. 2014. Delay Aware Joint Routing and Scheduling for Multi-Tx-Rx Wireless Mesh Networks, in IEEE International Conference on Communications (ICC), Jun 10-14 2014. Sydney, Australia: IEEE.
    Source Title
    2014 IEEE International Conference on Communications (ICC)
    Source Conference
    IEEE International Conference on Communications (ICC)
    DOI
    10.1109/ICC.2014.6883744
    ISBN
    978-1-4799-2003-7
    School
    Department of Computing
    URI
    http://hdl.handle.net/20.500.11937/22263
    Collection
    • Curtin Research Publications
    Abstract

    Recently, researchers have created Wireless Mesh Networks (WMNs) where routers have multiple transmit (Tx) or receive (Rx) capability. A fundamental problem in such WMNs is deriving a transmission schedule that yields minimal end-to-end delays. In this paper, we approach this problem via joint routing and link scheduling. Specifically, we consider twofundamental issues that influence end-to-end delays: super frame length and transmission slot order. We propose two algorithms: JRS-Multi-DEC and JRS-BIP, where the former uses a novel metric to minimize the load of each link whilst the latter uses a binary integer program solver. Both algorithms have the similar aim of minimizing overall delay and to re-order slots such that packets are forwarded quickly along their path. Numerical results show that our algorithms can reduce average delay by approximately 50% as compared to a non joint routing and scheduling algorithm.

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