Ad Hoc网络中隐藏终端和暴露终端相关问题研究  

Analysis on Relevant Problems of Hidden Terminal and Exposed Terminal in Ad Hoc Networks

作　　者：兰丽[1,2] 单志龙[3] 

机构地区：[1]广东广播电视大学 [2]广东理工职业学院计算机技术系,广州510091 [3]华南师范大学计算机学院,广州510631

出　　处：《计算机与数字工程》2010年第7期36-40,200,共6页Computer & Digital Engineering

基　　金：广东省博士启动基金(编号:06300907);国家自然科学基金(编号:10771080)资助

摘　　要：隐藏终端和暴露终端问题是Ad Hoc网络中的固有问题,成为影响网络性能的关键因素,是否较好解决了此类问题,已成为衡量MAC协议设计好坏的重要标准。文章在明确了隐藏终端和暴露终端的概念后,另定义了"隐藏终端不同时发送"和"暴露终端被动为接收者"两类问题,对MAC协议解决以上问题的方法进行了分类,剖析了各类方法的原理,并比较了其优劣,评价了其效果。Hidden terminal and exposed terminal problems are innate problems in the Ad Hoc networks,they become the critical factors which affect the performance of network.Weather solve these problems is the important eriterion when we measure the MAC protocols.In this paper,we explicit the conceptions of hidden terminal and exposed terminal,define two types of problems： one is that hidden terminal nodes will not send messages and the other is that exposed terminal nodes are regarded as receivers.Then we analyze comparise and evaluate the principles of the ways for solving those problems.

关 键 词：AD HOC网络 MAC协议 隐藏终端 暴露终端 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]