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Media Access Control Protocol for wireless sensor networks

  • US 20050074025A1
  • Filed: 10/02/2003
  • Published: 04/07/2005
  • Est. Priority Date: 10/02/2003
  • Status: Abandoned Application
First Claim
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1. A media access control protocol for a network including a plurality of nodes connected to each by a single shared wireless communications channel, the protocol for each node comprising:

  • monitoring, in each node, the channel for a period of time equal to at least a length of a frame;

    partitioning the frame into a plurality of time slots;

    marking a particular time slot as occupied if the channel has a carrier signal during the time slot and otherwise marking the time slot as available;

    transmitting a packet only if the time slot is marked available.

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