A Transmission Power Control MAC Protocol for Wireless Sensor Networks

Zhiwei Zhao, Xinming Zhang, Peng-Fei Sun, Pengxi Liu
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引用次数: 44

Abstract

Wireless sensor networks have been widely used in many important fields. Medium Access Control (MAC) protocols have a significant effect on the function and performance of sensor networks. At present, most MAC protocols use the same transmission power when sensor nodes send packets. However, the deployment of the sensor nodes is asymmetrical in wireless sensor networks, which will bring more energy consumption and unnecessary collisions. By jointing the MAC layer and physical layer of the senor nodes, and based on Sensor MAC (SMAC) [1] protocol, we propose a transmission power control MAC protocol in wireless sensor networks (transmission Power control in SMAC, PSMAQ. The simulation results show that, compared with the SMAC protocol, our protocol has improved a lot in the delay of packets, reception rate, energy consumption and throughput of the networks.
一种无线传感器网络的传输功率控制MAC协议
无线传感器网络已广泛应用于许多重要领域。介质访问控制(MAC)协议对传感器网络的功能和性能有着重要的影响。目前,大多数MAC协议在传感器节点发送数据包时使用相同的传输功率。然而,在无线传感器网络中,传感器节点的部署是不对称的,这会带来更多的能量消耗和不必要的碰撞。通过连接传感器节点的MAC层和物理层,在Sensor MAC (SMAC)[1]协议的基础上,提出了无线传感器网络中传输功率控制MAC协议(SMAC中的传输功率控制,PSMAQ)。仿真结果表明,与SMAC协议相比,我们的协议在数据包延迟、接收速率、网络能耗和吞吐量等方面都有了很大的提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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