IoT Service QoS Guarantee Using QBAIoT Wireless Access Method

  • Ahmad KhalilEmail author
  • Nader Mbarek
  • Olivier Togni
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11005)


Nowadays, providing Internet of Things (IoT) environments with service level guarantee is a challenging task. We describe in this paper a service level based IoT architecture that enables an IoT Service Level Agreement (iSLA) achievement between an IoT Service Provider and an IoT Client. This IoT SLA specifies the requirements of an IoT service in a specific application domain (e-health, smart cities, etc.). In order to guarantee these requirements, QoS mechanisms should be implemented within the IoT architecture. Thus, we propose an adaptation of the IEEE 802.15.4 slotted CSMA/CA mechanism to ensure the requirements of an IoT e-health service. Our approach called QBAIoT (QoS based Access for IoT) consists in creating different contention access periods corresponding to different specified traffic classes. Each of these periods within the QoS based adapted IEEE 802.15.4 superframe is specific for a traffic type. A QoS based contention access period called QoS CAP is configured with a number of slots during which only IoT objects belonging to the same QoS class can send data.


IoT e-health IEEE 802.15.4 Slotted CSMA/CA Service level agreement 


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.University of Bourgogne Franche-ComtéDijonFrance

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