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 digit al assistants. Providing adequate network connectivity y 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 RTSCTS-DATA packet exchange and binary exponential backoff. 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-CTSDS-DATA-ACK message exchange and includes a significantly different backoff algorithm.

• Type: Conference
• Year: 1994
• Where: SIGCOMM
• Authors: Vaduvur Bharghavan, Alan J. Demers, Scott Shenker, Lixia Zhang
• Keywords: Communications, Media Access Protocol, SIGCOMM 1994, Wireless Lan, Wireless Lan Technology