无线局域网的媒体访问协议

V. Bharghavan, A. Demers, S. Shenker, Lixia Zhang
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引用次数: 2295

摘要

近年来,出现了各种各样的移动计算设备,包括便携式设备、掌上电脑和个人数字助理。为这些设备提供足够的网络连接将需要新一代无线局域网技术。在本文中,我们研究了施乐公司帕洛阿尔托研究中心正在开发的单通道无线局域网的媒体访问协议。我们从MACA媒体访问协议开始,该协议首先由Karn[9]提出,后来由Biba[3]改进,该协议使用RTS-CTS-DATA数据包交换和二进制指数回退。使用包级模拟,我们检查了这些协议中的各种性能和设计问题。我们的分析导致了一个新的协议,MACAW,它使用RTS-CTS-DS-DATA-ACK消息交换,并包含一个明显不同的回退算法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
MACAW: a media access protocol for wireless LAN's
In recent years, a wide variety of mobile computing devices has emerged, including portables, palmtops, and personal digital assistants. Providing adequate network connectivity for these devices will require a new generation of wireless LAN technology. In this paper we study media access protocols for a single channel wireless LAN being developed at Xerox Corporation's Palo Alto Research Center. We start with the MACA media access protocol first proposed by Karn [9] and later refined by Biba [3] which uses an RTS-CTS-DATA packet exchange and binary exponential back-off. Using packet-level simulations, we examine various performance and design issues in such protocols. Our analysis leads to a new protocol, MACAW, which uses an RTS-CTS-DS-DATA-ACK message exchange and includes a significantly different backoff algorithm.
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