Evaluation of the performance of the SLoPS: Available Bandwidth Estimation Technique in IEEE 802.11b Wireless Networks

  • AMAMRA Abdelaziz
  • HOU Kun Mean
  • CHANET Jean-Pierre


Over the past few years, to actively measure the end-to-end available bandwidth of a network path several algorithms have been created (TOPP, SLoPS, Spurce, VPS ldots). These algorithms are dedicated to wired Ethernet network; however the bandwidth estimation in wireless network field remains a challenge. In the present work we evaluate the performance of Self-Loading Periodic Stream (SLoPS) method to estimate the available bandwidth in the IEEE 802.11b wireless network. By using different probe packet sizes and different Cross-Traffics, we show that the available bandwidth measurements are affected by the varying Cross-Traffic in both Ethernet and wireless IEEE 802.11b network. The variation of probe packet size affects only the available bandwidth measurements in the wireless network and not in Ethernet network case. Also SLoPS technique provides less accurate measurements in the IEEE 802.11b wireless network. The simulation is built in NS-2. The results are analyzed by MatLab software


IEEE 802.11b SLoPS Available Bandwidth Cross-Traffic Quality of Service 


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Copyright information

© Springer 2007

Authors and Affiliations

  • AMAMRA Abdelaziz
    • 1
  • HOU Kun Mean
    • 1
  • CHANET Jean-Pierre
    • 1
  1. 1.LIMOS Laboratory, UMR 6158 CNRSUniversity of Blaise Pascal BP 1025 24 av des Landais 63173AubiéreFrance

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