The Effect of MAC Parameters on Energy Efficiency and Delay in Wireless Sensor Networks
Zhihua Li, Bin Lian, Zhongcheng Wei, Liang Xue, Jijun Zhao · Journal of Networks · 2014
As the most important indices to evaluate the performance of wireless sensor networks, energy efficiency and delay have been achieved more and more attention by researchers. In order to build the mathematical relationship between network parameters and performances, this paper starts from the three basic elements of communication and takes account backoff mechanism in sending period, bit error rate in transmission period and collision rate in receiving period. Using theoretical analysis and simulation confirmation, we can make a conclusion that packet payload length, bit error rate, node number, contention window size and the maximum retransmission times allowed have influences on packet drop rate, and then affect network performances