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DUTY CYCLING TECHNIQUES IN MEDIUM ACCESS CONTROL (MAC) PROTOCOLS FOR BODY AREA NETWORKS

  • US 20110182222A1
  • Filed: 08/07/2009
  • Published: 07/28/2011
  • Est. Priority Date: 08/11/2008
  • Status: Active Grant
First Claim
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1. A method (500) for performing a medium access control (MAC) duty cycling in a body area network (BAN), comprising:

  • sending a wake-up (WUP) message from a sender node to one or more target receiver nodes when a wireless medium of the BAN is free (S510);

    determining if at least one target receiver node responded with a READY message during a sniff time interval of the sender node (S520);

    determining if a number of WUP messages transmitted by the sender node exceeds a predefined threshold when the READY message was not received (S540); and

    setting the sender node to operate in a TURN mode when the number of WUP messages exceeds the predefined threshold (S550).

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