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Method and apparatus for contention management in a radio-based packet network

  • US 20060098604A1
  • Filed: 12/09/2005
  • Published: 05/11/2006
  • Est. Priority Date: 06/27/2001
  • Status: Abandoned Application
First Claim
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1. In a mesh network having a plurality of communication nodes, wherein one or more nodes may be either a contending node when sending data for transmission within the mesh network or a controlling node for receiving data for transmission within the mesh network, a method for accessing a controlling node, comprising:

  • accessing the controlling node in a non-PRP mode where multiple nodes are not contending for access to the controlling node; and

    accessing the controlling node in a PRP mode where multiple nodes are contending for access to the controlling node, the PRP mode comprising;

    withholding, at a contending node, requests for access to a controlling node until receipt, at the contending node, of a poll request packet broadcast from the controlling node, the poll request packet containing information indicating availability of a communication slot;

    broadcasting from the controlling node to a plurality of contending nodes the poll request packet when the controlling node is ready to provide services;

    directing from the contending node a poll packet to request access to the controlling node; and

    broadcasting from the controlling node to all of the plurality of contending nodes a control packet containing rules information for each contending node requesting access to follow in order to send data to the controlling node.

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