Abstract

Joint multi-channel and slots allocation is widely adopted to improve the efficiency of wireless sensor networks. For the data center (DC) network, data transmissions are not only delivered to the sink but also the DC in the network. The traditional methods are sink first collects data, then forward to DC nodes, which inevitably brings data delay. Suppose it can meet the data acquisition requirements of the DCs without affecting the normal aggregation process, which will have practical significance in factory monitoring. In this paper, we propose a Joint Channel and Slot Allocation scheme (JCSDC) for mission-oriented Data Center in WSN. Compared to the existing works, 1) we introduce a novel joint allocation scheme which maximizes the parallelism transmission in each timeslot; 2) we modify transmission directions to build up shortcuts for datacenters. Finally, we conduct simulation experiments. The results show that JCSDC can significantly improve the packet delay without incurring data clustering process compared to the current works.

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