Abstract
In wireless sensor networks (WSNs), sensor nodes share wireless channels to communicate with each other. So, link congestion often occurs and induces data retransmission easily. To avoid these issues, data transmission efficiency would be greatly enhanced and the energy consumption of network would save a lot. Based on this idea, we have designed a transmission-effective congestion-cognized (TECC) routing protocol in the paper. Routings are selected probabilistically and real-timely, according to the out-bound nodes’ satisfactory degrees of forwarding. Also, time stamps are used to control nodes’ status, effectively reducing the occurrence probability of conflict and link congestion in networks. Simulation results show that, TECC routing protocol has good performances of low-latency and energy-consuming equilibrium, which could significantly improve energy utilization and data transmission efficiency of network.
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