Providing QoS in the Integration of RFID and Wi-Fi WLAN

  • Nargis Khan
  • Jelena Mišić
  • Vojislav B. Mišić
  • Lutful Karim
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7363)


Radio Frequency Identification (RFID) systems are widely used in various application domains. However, when RFID networks are integrated with WiFi WLANs to extend their short transmission range, interference results due to the use of the same ISM frequency band, and some co-existence mechanism must be found. In this paper, we propose a time-sharing mechanism that allows RFID networks using IEEE 802.15.4 networks to connect to a WLAN that uses IEEE 802.11e EDCA for ensuring priority access for RFID data. To reduce collisions among RFID tags, we use an energy management mechanism based on randomized sleep. Simulation results show that the proposed solution achieves Quality of Service (QoS) by maintaining higher throughput and lower collision probability.


RFID Wi-Fi WLAN QoS Collision Probability Throughput Integration Co-existence 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Nargis Khan
    • 1
  • Jelena Mišić
    • 1
  • Vojislav B. Mišić
    • 1
  • Lutful Karim
    • 2
  1. 1.Ryerson UniversityTorontoCanada
  2. 2.University of GuelphCanada

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