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Understanding Link-Layer Behavior in Highly Congested IEEE 802.11b Wireless Networks
 

Summary: Understanding Link-Layer Behavior
in Highly Congested IEEE 802.11b Wireless Networks
Amit P. Jardosh, Krishna N. Ramachandran, Kevin C. Almeroth, Elizabeth M. Belding-Royer
Department of Computer Science
University of California, Santa Barbara
{amitj,krishna,almeroth,ebelding}@cs.ucsb.edu
Abstract
The growing deployment and concomitant rise in wireless network
usage necessitates the comprehensive understanding of its behav-
ior. More importantly, as networks grow in size and number of
users, congestion in the wireless portion of the network is likely
to increase. We believe there is a strong need to understand the
intricacies of the wireless portion of a congested network by inter-
preting information collected from the network. Congestion in a
wireless network can be best analyzed by studying the transmis-
sion of frames at the link layer. To this end, we use vicinity sniffing
techniques to analyze the link layer in an operational IEEE 802.11b
wireless network. In this paper, we discuss how congestion in a
network can be estimated using point-to-point link reliability. We
then show how link reliability is correlated with the behavior of

  

Source: Almeroth, Kevin C. - Department of Computer Science, University of California at Santa Barbara
Belding-Royer, Elizabeth M. - Department of Computer Science, University of California at Santa Barbara

 

Collections: Computer Technologies and Information Sciences