基于OPNET仿真的随机接入技术研究  

Research on Random Access Technology based on OPNET Simulation

作　　者：刘振国[1] 张钟铮[1] 师卫[2] 杨雪勇 

机构地区：[1]北方自动控制技术研究所,山西太原030006 [2]太原理工大学,山西太原030024 [3]天津警备区,天津300020

出　　处：《火力与指挥控制》2009年第10期161-163,共3页Fire Control & Command Control

摘　　要：如何解决多个用户高效、合理地共享有限的无线信道资源这一问题,即媒体接入(MAC)控制协议的设计是移动自组网中的关键技术之一。ALOHA和CSMA作为自组网MAC协议的起源,研究它们具有重要的意义。主要介绍了ALOHA和CSMA两类接入协议的工作方式和性能特点,针对其中的纯ALOHA和1坚持CSMA应用网络仿真软件OPNET进行了建模和仿真,并比较了它们的优缺点,对于后续开发新的随机接入协议具有指导意义。How to resolve the problem that multi-user sharing the limitedwireless channel efficiently and reasonably, Namely the design of MAC is one of the key technologies in the mobile Ad-hoc networks. ALOHA and CSMA are the origin of Ad-hoe network MAC protocol, It is important to study them. Mainly introduces the working modes and performance characteristics of ALOHA and CSMA. Has modeled and simulated by using the network simulation software OPNET Aiming at Pure ALOHA and one- persistent CSMA. And comparing the advantages and disadvantages between them. It is instructive to study the new random access protocol.

关 键 词：ALOHA CSMA 网络仿真技术 

分 类 号：TP319[自动化与计算机技术—计算机软件与理论]