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Understanding Congestion in IEEE 802.11b Wireless Networks Amit P. Jardosh Krishna N. Ramachandran Kevin C. Almeroth Elizabeth M. Belding-Royer
 

Summary: Understanding Congestion in 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 popularity of wireless networks has led to
cases of heavy utilization and congestion. In heavily uti-
lized wireless networks, the wireless portion of the net-
work is a major performance bottleneck. Understanding
the behavior of the wireless portion of such networks is
critical to ensure their robust operation. This understand-
ing can also help optimize network performance. In this
paper, we use link layer information collected from an op-
erational, large-scale, and heavily utilized IEEE 802.11b
wireless network deployed at the 62nd
Internet Engineering
Task Force (IETF) meeting to study congestion in wireless
networks. We motivate the use of channel busy-time as a
direct measure of channel utilization and show how chan-

  

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