摘要
针对无线传感器网络中S-MAC协议没有考虑网络的QoS性能问题，本文提出了一种结合业务区分的S-MAC协议,令优先级不同的节点获得不同的接入信道概率，提高了传感器网络的QoS性能。仿真结果显示，改进后的S-MAC协议确实提高了网络的QoS性能。
As for the problem of S-MAC protocol in wireless sensor networks not considering the QoS performance of network, an enhancing S-MAC protocol combining with service differentiation was proposed. It differentiates the access chance of different nodes so that improves the QoS performance of wireless sensor network. The result of simulation proved that, this enhancing S-MAC protocol indeed improved the QoS performance of network.
出处
《电脑知识与技术》
2008年第2期637-640,647,共5页
Computer Knowledge and Technology
基金
重庆市教委科学技术研究项目（KJ070521）
重庆市科委项目（CSTC2006BB2370）
