STBCP: An Energy Efficient Sub-threshold Bee Colony-based Protocol for Wireless Sensor Networks

摘要

BackgroundandObjective: In this paper, a new energy efficient LEACH-based protocolfor wireless sensor network is presented. One of the main issues in Wireless Sensor Networks(WSNs) is the battery consumption. In fact, changing batteries is a time consuming task and expensive.It is even impossible in many remote WSNs.Methods: The main goal of the presented protocol is to decrease the energy consumption of eachnode and increase the network lifetime. Lower power consumption results in longer battery lifetime.This protocol takes the advantage of sub-threshold technique and bee colony algorithm in order tooptimize the energy consumption of a WSN. Simulation results show that the energy consumption ofthe wireless sensor network reduces by 25 percent using STBCP in comparison with recent LEACHbasedprotocols. It has been shown that the average energy of the network remains balanced and thedistribution of residual energy in each round is equitable.Conclusion: In addition, the lifetime of a network using STBCP protocol has been increased by 23percent regarding recently presented routing protocols.