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Capacity and contention-based joint routing and gateway selection for machine-type communications
Farooq, Muhammad O.
Sreenan, Cormac J.
Brown, Kenneth N.
Typically, in machine-type communications (MTC) devices communicate with servers over the Internet. In a large-scale machine-to-machine area (M2M) network, the devices may not connect directly to the Internet due to radio transmission and energy limitations. Therefore, the devices collaborate wirelessly to relay their data to a gateway. A large-scale M2M area network may have multiple gateways, selecting a proper gateway for the devices can have immense impact on the networks performance. We present the channel capacity and contention-based joint routing and gateway selection methods for MTC. Based on channel capacity and contention, our methods select the best gateway on per-packet, per-flow, and per-node basis. We compare the methods performance with existing methods using simulation and test-bed experiments. We analyse the impact of the number of gateways, physical distribution of transmitters, control overhead, and duty-cycling on the performance of the gateway selection methods. Our results demonstrate that, in duty-cycled operations, the methods performance depends on control overhead and making a good trade-off between load imbalance to different gateways and a forwarding paths length. Otherwise only the latter impacts the methods performance. In general, our node-based best gateway selection method makes a better trade-off and exhibits lower control overhead, hence it demonstrates better performance. Moreover, our methods demonstrate better performance as compared to an existing state-of-the-art joint routing and gateway selection method.
Machine-type communications , Routing , Gateway selection , Channel capacity , Contention
Farooq, M. O., Sreenan, C. J. and Brown, K. N. (2017) 'Capacity and contention-based joint routing and gateway selection for machine-type communications', Ad Hoc Networks, 62(Supplement C), pp. 35-49. doi:10.1016/j.adhoc.2017.04.006