介质访问控制

一种基于CDMA的无线ATM介质访问控制协议

An MAC Protocol for Wireless ATM Systems Based on CDMA

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 .

本文主要研究了传感器网络数据链路层的介质访问控制（Mediumaccesscontrol，MAC）协议。

The text is mainly studying on the medium access control , MAC protocol of sensor networks ' data link layers .

基于ATM高速网介质访问控制方法的研究

Research on Media Access Controlling Method of High-speed Network Based on ATM

无线ATM网介质访问控制协议的研究

Research on Medium Access Control Protocols of Wireless ATM Networks

所有为adhoc网络设计的介质访问控制（Mediumaccesscontrol，MAC）协议都必须具有解决上述问题的能力。

Every medium access control protocol designed for ad hoc networks must have the ability to resolve such problems mentioned above .

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 .

文章分析了宽带无线接入网MAC（介质访问控制）层的安全协议，发现其中存在着安全隐患；

Security flaws in MAC layers of the Broadband Wireless Access Network have been analyzed in this paper .

介质访问控制（MAC）方法是无线ATM网的关键技术之一。MAC层协议的好坏直接影响系统性能和移动终端的复杂性。

Medium Access Control ( MAC ) protocol is one of the most critical issues of Wireless ATM networks .

一种提供服务质量保障的移动Ad-Hoc网络介质访问控制策略

A Medium Access Conrol Mechanism for QoS Provisioning in Mobile Ad Hoc Networks

支持资源预留的介质访问控制（MAC）机制是无线adhoc网络提供服务质量保证的关键。

The Medium Access Control ( MAC ) mechanism plays a key role on supporting Quality of Service ( QoS ) in wireless ad hoc networks .

介质访问控制协议（MediaAccesscontrol，MAC）是无线自组网协议栈的重要组成部分，决定了节点如何通过共享的无线空间信道发送和接收报文。

As one important part of the wireless ad hoc network protocol suite , the media access control ( MAC ) protocol determines how one wireless communication node transmits and receives packets through wireless channel .

利用PROFIBUS总线进行组合式介质访问控制来实现系统通信。

System communication was realized by utilizing the PROFIBUS to carry out multiple-media access control ( MAC ) .

为给定服务数据单元计算的FCS依赖于介质访问控制方法。

The FCS calculated for a given service data unit is dependent on the media access control method .

文中综合分析目前已有的无线ATM介质访问控制协议及方法，指出设计无线ATM网MAC层协议的三条原则，提出下一步研究方向。

In this paper , we analyze some MAC protocols proposed for WATM networks in recent years , and present the design principles of the MAC protocols .

介质访问控制（MAC）协议是保证无线传感器网络高效通信的关键网络协议之一，其性能好坏直接关系到无线信道的利用效率和整个网络的性能。

Media Access Control ( MAC ) protocol is a key protocol , which is responsible for the high efficiency of communication in the wireless sensor networks .

目前已有的数据传输协议和算法，无论是介质访问控制（MAC）、路由还是跨层传输协议，都未能完全克服水声通信面临的困难。

Existing schemes , including medium access control ( MAC ) protocols , routing and cross-layer algorithms , could not completely overcome the difficulties of underwater acoustic communication .

文章主要研究介质访问控制（MAC）计划的一部分，有关节点与智能天线配置的一个无线局域网。

As part of my work a study of medium access control ( MAC ) scheme is studied for a WLAN wherein the nodes are equipped with smart antennas .

FDDI介质访问控制协议

Media access control protocol for FDDI

APON接入系统的一个介质访问控制协议

A MAC protocol for APON access system

这不仅使得常用介质访问控制层（Mediumaccesscontrol，MAC）协议无法直接应用于初级初始化过程，而且由于网络结构的缺乏使得传统初始化算法失去了实际意义。

As a result , not only the existing MAC ( Medium Access Control ) protocols are not available to the primary initialization phase , but also the traditional initializing algorithms based on the networks with the complete structures are not applicable .

HFC网络介质访问控制协议中最有特色的是碰撞解决算法，802.14协议采用p坚持算法结合n叉树算法，前者用于预先避免碰撞，而后者用于解决已发生的碰撞。

IEEE 802.14 MAC protocol uses p persistence algorithm as well as n ary tree . The former is used to avoid collision in advance , while the latter is used to resolve the collisions that have occurred .

本文的工作集中于宽带无源光网络系统介质访问控制（MAC）协议的研究和设计、协议性能分析以及其他与MAC协议相关内容的研究。

This dissertation focuses on study and design of medium access control ( MAC ) protocol for passive optical network , protocol performance evaluation , and other aspects closely correlated to MAC protocol .

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 .

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 .

媒体介质访问控制层是影响节点功耗的关键部分，本文的主要任务就是研究智能农业系统中基于实时嵌入式操作系统的低功耗多信道MAC协议。

Medium access control layer ( MAC ) is the key to the energy consumption of sensor nodes . This paper aims to develop the low-power multi-channel MAC protocol based on real-time embedded operating system intelligent agricultural system .

MAQF/MAC是一种新的MANET自适应QoS介质访问控制策略，该策略可以实时动态地测试网络资源，及时调整业务流对资源的访问和占用。

MAQF / MAC is a new adaptive MANET QoS supporting MAC protocol , which can dynamically measure the variation of resource in real time , and change the channel access policy and the amount of resource captured by traffic .

人们在研究多星LAN时提出了著名的介质访问控制方式竞争冲突淘汰（Contention-CollisionCancellation，C-CC）访问方式。

During the research , a new access mode [ 4-5 ] in multi-star LAN , the contention-collision cancellation access mode ( abbreviated as C-CC ) has been presented .

HFC网络（混合光纤同轴网）采用树状拓扑结构，分布于较广的区域，有较大的延时，这使得HFC网络中的MAC（介质访问控制）协议的设计成为一个值得研究的问题。

Due to the HFC network 's tree topology , large service area and great round trip delay , it is an issue worth researching when we design the MAC ( Media Access Control ) protocol in HFC networks .

论文提出了一种在IEEE802.11无线网络中为实时业务提供服务质量保证的有效方法，即通过修改介质访问控制（MAC）层的分布式协调功能（DCF），为实时数据预留信道。

In this paper , we propose an efficient method to provide QoS for real-time traffic in IEEE 802.11 wireless LANs . Our method is to reserve channel for real-time data through modifying the DCF ( Distributed CoordinationFunction ) at MAC layer .