Self Management in Chaotic Wireless Networks. Aditya Akella, Glenn Judd , Srini Seshan, Peter Steenkiste Carnegie Mellon University. Wireless Proliferation. Sharp increase in deployment Airports, malls, coffee shops, homes… 4.5 million APs sold in 3 rd quarter of 2004!
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Self Management in Chaotic Wireless Networks
Aditya Akella, Glenn Judd,
Srini Seshan, Peter Steenkiste
Carnegie Mellon University
Most users don’t change default channel
Channel selection must be automated
WifiMaps.com(300,000 APs, MAC, ESSID, Channel)
Map Showing Portion of Pittsburgh Data
3 clients per AP. 2 clients run FTP sessions.
All others run HTTP.300 seconds
5s sleep time
20s sleep time
Channel + Tx Power Control
require: mediumUtilization <= 1
txPower determines range
dclient, txPower determines rate
Objective: given <load, txPower, dclient> determine dmin