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Circuit and method for operating a node in a radio network

  • US 8,615,012 B2
  • Filed: 06/18/2010
  • Issued: 12/24/2013
  • Est. Priority Date: 06/18/2009
  • Status: Active Grant
First Claim
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1. A method for operating a node in a radio network, the method comprising:

  • receiving, by a receiving circuit of a node, a first portion of a current packet, wherein the node is one of a plurality of nodes on a radio network that have a common network ID and an individual node ID;

    examining the first portion of the current packet to identify an address contained in the current packet;

    continuing reception of a second portion of the current packet if the identified address corresponds to the common network ID of the node and the individual node ID of the node,terminating the reception of the second portion of the current packet if the identified address does not correspond to the common network ID of the node or the individual node ID of the node; and

    in response to determining that the identified address does not correspond to the network ID of the node;

    clearing one or more synchronization parameters of the receiving circuit;

    synchronizing the receiving circuit to a new preamble;

    determining a current reception energy of the current packet; and

    based at least on the determined current reception energy, determining one or more of an upper threshold and a lower threshold,wherein synchronizing the receiving circuit to the new preamble is initiated if the current reception energy in the transmission channel exceeds the upper threshold or falls below the lower threshold.

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