Affiliation:
1. Department of Electrical Engineering and Computer Science, University of California, Berkeley
2. Palo Alto Research Center, Xerox Corporation
Abstract
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.
Publisher
Association for Computing Machinery (ACM)
Subject
Computer Networks and Communications,Software
Reference11 articles.
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3. Supporting real-time applications in an Integrated Services Packet Network
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