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Coordinated directional medium access control in a wireless network

  • US 20060209772A1
  • Filed: 03/15/2005
  • Published: 09/21/2006
  • Est. Priority Date: 03/15/2005
  • Status: Abandoned Application
First Claim
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1. A method for coordinating the transmitting and receiving of data packets over wireless channels by a plurality of nodes defining a wireless network, the method comprising:

  • during a contention period, automatically selecting from among the plurality of nodes a master sending node and corresponding master receiving node in response to an omni-directionally transmitted request to send, the master sending and receiving nodes defining a master-node pair;

    selecting from among remaining ones of the plurality of nodes at least one slave sending node and corresponding slave receiving node if a spatial reuse ratio associated with the master-node pair is less than a predetermined threshold and if directional data transmissions between the slave sending node and corresponding slave receiving node avoid interfering with directional data transmissions between the master nodes and other pairs of slave nodes; and

    during a coordination period, causing the master sending node and at least one slave sending node to each directionally transmit at least one data packet.

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