2nd International ICST Workshop on Personalized Networks

Research Article

A Low-delay Protocol for Multihop Wireless Body Area Networks

  • @INPROCEEDINGS{10.1109/MOBIQ.2007.4451060,
        author={ Benoıt  Latre and  Bart  Braem and Ingrid  Moerman and Chris  Blondia and Elisabeth  Reusens and Wout  Joseph and Piet Demeester},
        title={A Low-delay Protocol for Multihop Wireless Body Area Networks},
        proceedings={2nd International ICST Workshop on Personalized Networks},
        keywords={Access protocols  Body sensor networks  Delay  Distributed control  Energy efficiency  Information retrieval  Remote monitoring  Spread spectrum communication  Telecommunication network reliability  Wireless application protocol},
  • Benoıt Latre
    Bart Braem
    Ingrid Moerman
    Chris Blondia
    Elisabeth Reusens
    Wout Joseph
    Piet Demeester
    Year: 2008
    A Low-delay Protocol for Multihop Wireless Body Area Networks
    DOI: 10.1109/MOBIQ.2007.4451060
Benoıt Latre1,*, Bart Braem2,*, Ingrid Moerman1,*, Chris Blondia2,*, Elisabeth Reusens3,*, Wout Joseph3,*, Piet Demeester1,*
  • 1: Ghent University – IBBT – IMEC – Dept. of Information Technology – IBCN Gaston Crommenlaan 8 box 201, B-9050, Gent, Belgium
  • 2: University of Antwerp – IBBT – Dept. of Mathematics and Computer Science – PATS Middelheimlaan 1, B-2020, Antwerp, Belgium
  • 3: Ghent University – IBBT – Dept. of Information Technology – WiCa Gaston Crommenlaan 8 box 201, B-9050, Gent, Belgium
*Contact email: benoıt.latre@intec.ugent.be, bart.braem@ua.ac.be, ingrid.moerman@intec.ugent.be, chris.blondia@ua.ac.be, elisabeth.reusens@intec.ugent.be, wout.joseph@intec.ugent.be, piet.demeester@intec.ugent.be


Wireless body area networks (WBANs) form a new and interesting area in the world of remote health monitoring. An important concern in such networks is the communication between the sensors. This communication needs to be energy efficient and highly reliable while keeping delays low. Mobility also has to be supported as the nodes are positioned on different parts of the body that move with regard to each other. In this paper, we present a new cross-layer communication protocol for WBANs: CICADA or Cascading Information retrieval by Controlling Access with Distributed slot Assignment. The protocol sets up a network tree in a distributed manner. This tree structure is subsequently used to guarantee collision free access to the medium and to route data towards the sink. The paper analyzes CICADA and shows simulation results. The protocol offers low delay and good resilience to mobility. The energy usage is low as the nodes can sleep in slots where they are not transmitting or receiving.