Peeling the 802.11 onion: separating congestion from physical per

  • Authors:
  • Malik Ahmad Yar Khan;Darryl Veitch

  • Affiliations:
  • University of Melbourne, Melbourne, Australia;University of Melbourne, Melbourne, Australia

  • Venue:
  • Proceedings of the third ACM international workshop on Wireless network testbeds, experimental evaluation and characterization
  • Year:
  • 2008

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Abstract

An ability to accurately classify observed packet errors according to their root cause: physical layer or MAC layer contention, in 802.11 networks, opens up many opportunities for performance improvement at the both the MAC and IP layers. We investigate two orthogonal ways to achieve this, and present a methodology, the 'map', for clearly visualizing the results free of packet size and rate 'bias'.