三层建立虚拟簇的能量有效MAC协议

由于传感器节点本身不能自动补充能量或能量补充不足，节约能量是传感器网络MAC协议设计首要考虑的因素。而传统网络的MAC协议重点考虑节点使用带宽的公平性，提高带宽利用率和增加网络的实时性，这意味着传统网络的MAC协议不能直接用于无线传感器网络，需要研究新的适用于无线传感器网络的MAC协议。综合比较了已有的各种无线传感器网络MAC层协议优缺点，着重研究了EBRI—MAC协议，对这个协议进行了改进，提出TLVC—MAC协议，采用基于路由信息分三层建立虚拟簇的方式进一步减少能量消耗，提高能量效率。

Energy-efficient MAC protocol of three layers virtual cluster

Because the sensor node can not power themselves or can not power enough,the energy-efficient should be consid- ered first when a MAC protocol is presented,but for the traditional wireless networks the network-efficient is first.This means the MAC protocol for traditional wireless networks is not adapt to the wireless sensor networks.So new MAC protocols for wireless sensor networks must be researched.This article compares many MAC protocols that have been presented,and researches the E-BRI-MAC particularly...