Throughput and PER estimates harnessing link-layer measurements for indoor 802.11n WLAN

  • Authors:
  • Bryan Ng;Y. F. Tan;S. W. Tan;S. W. Lee

  • Affiliations:
  • -;-;-;-

  • Venue:
  • Computer Standards & Interfaces
  • Year:
  • 2012

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Abstract

The research work reported in this paper investigates if a Markov chain can model the throughput and packet error rate (PER) performance of off-the-shelf IEEE 802.11n wireless LAN network interface cards (NICs). We draw together uplink -downlink information from the NIC with a Markov chain to examine the performance of 802.11n within an indoor environment. Site measurements and point-estimates are taken and compared with the model predictions. Errors of less than 4% were recorded for the Markov model estimates while point-estimates recorded average errors of 9% both compared to site-measured throughput.