Communication performance of 802.11 WLANs

  • Authors:
  • Shakil Akhtar

  • Affiliations:
  • College of Information Technology, UAE University

  • Venue:
  • MATH'06 Proceedings of the 10th WSEAS International Conference on APPLIED MATHEMATICS
  • Year:
  • 2006

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Abstract

Results from simulation model of an 802.11 WLAN system that suffers in performance due to multiple stations interference are presented. The system communication performance is studied by changing the data packet fragmentation thresholds and the amount of traffic sent, received, and retransmission attempts with and without RTS/CTS mechanism. Two scenarios, with three and five interfering stations have been analyzed and steps to minimize the interference suggested. Specifically, the uses of fragmentation thresholds and RTS/CTS mechanism to control the interference are illustrated via the simulation. It is shown that for the modeled WLAN communications systems, the threshold value should not exceed 1024 bytes causing minimal interference with least number of retransmissions and a higher throughput.