本文对城域网的拓扑结构、介质访问控制协议及国际上城域网研究动态进行了综述。
This paper gives an overview of topologies, medium access control protocols and current status for metropolitan area networks.
本文按照FDDI的层次结构，讨论了FDDI介质访问控制协议的一些重要特征与性能。
The important characteristics of the media access control protocol for FDDI by the architecture of FDDI was described in this paper.
本文以一种新型的实时以太网介质访问控制协议的仿真为例，介绍总线型协议建模方法，详细描述了OPNET的建模仿真过程。
This paper introduces a method for modeling broadcast protocols in OPNET by illustrating a simulation for a new real-time Ethernet MAC protocol.
通过提取网络层和物理层中的一些信息，可以改进MAC(介质访问控制)层协议的设计。
The design of MAC protocol can be improved by extracting information in network and physical layers.
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。
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.
然后介绍了CAN总线的协议规范，根据其介质访问控制方法，详细地分析了CAN总线上报文延时产生的原因。
And then explains CAN protocol precisely. According to the media access controlling method of CAN protocol, the reason of delay time was discussed.
第二，对无线传感器网络现有的路由协议与介质访问控制(MAC)协议进行研究。
Secondly, study the exiting routing and MAC protocols for wireless sensor network.
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。
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.
本通信协议分为物理层、介质访问控制层和逻辑链路控制层三层设计。
The communication protocol is designed in term of three layers: Physical layer, Media Access Control layer and Logic Link Control layer.
本通信协议分为物理层、介质访问控制层和逻辑链路控制层三层设计。
The communication protocol is designed in term of three layers: Physical layer, Media Access Control layer and Logic Link Control layer.
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