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Reliable MAC Layer Multicast in IEEE 802.11 Wireless Networks MinTe Sun, Lifei Huang, Anish Arora, TenHwang Lai

Summary: Reliable MAC Layer Multicast in IEEE 802.11 Wireless Networks
Min­Te Sun, Lifei Huang, Anish Arora, Ten­Hwang Lai
Department of Computer and Information Science
The Ohio State University
2015 Neil Avenue
Columbus, OH 43210­1277
fmsun, huangli, anish, laig@cis.ohio­state.edu
Multicast/broadcast is an important service primitive in
networks. The IEEE 802.11 multicast/broadcast protocol
is based on the basic access procedure of Carrier Sense
Multiple Access with Collision Avoidance (CSMA/CA). This
protocol does not provide any media access control (MAC)
layer recovery on multicast/broadcast frames. As a result,
the reliability of the multicast/broadcast service is reduced
due to the increased probability of lost frames resulting
from interference or collisions. In this paper, we propose
a reliable Batch Mode Multicast MAC protocol, BMMM,
which substentially reduces the number of contention phases,
thus considerably reduces the time required for a multi­


Source: Arora, Anish - Department of Computer Science and Engineering, Ohio State University


Collections: Computer Technologies and Information Sciences