In wireless sensor networks, MAC layer Protocols are capable of determining the wireless channel utilization and allocate the limited wireless communication resources between the nodes.
在无线传感器网络中，介质访问控制MAC协议决定无线信道的使用方式，在节点之间分配有限的无线通信资源。
The media access control (MAC) protocol of mobile Ad Hoc networks (MANETs) is closely-related with its physics layer, most MAC protocols request the capability of carrier sense in physical layer.
无线自组网的介质访问控制(MAC)协议是与物理层密切相关的，大多数MAC协议都要求物理层具备载波感知能力。
After introducing some different MAC protocols in this thesis, and analyzing energy factors of MAC layer, such as overhearing, idle listening, collision conflict and excessive information of control.
本文在对不同类型MAC协议进行了介绍，并分析了MAC层的能耗原因，如网络串音、空闲侦听、碰撞冲突及控制信息过多。
NS was used to establish UWB network model and implement a MAC protocol combining the coding technology of the physical layer. It was compared with several traditional MAC protocols.
文中运用NS网络仿真软件搭建了完整的UWB网络环境，实现了一种融合物理层编码技术的MAC协议，并与几种传统的MAC协议进行了仿真分析比较。
NS was used to establish UWB network model and implement a MAC protocol combining the coding technology of the physical layer. It was compared with several traditional MAC protocols.
文中运用NS网络仿真软件搭建了完整的UWB网络环境，实现了一种融合物理层编码技术的MAC协议，并与几种传统的MAC协议进行了仿真分析比较。
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