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Methods and apparatus for cluster management in DSRC cooperative safety systems

  • US 10,080,124 B2
  • Filed: 06/29/2015
  • Issued: 09/18/2018
  • Est. Priority Date: 06/29/2015
  • Status: Active Grant
First Claim
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1. A method of a wireless communication by a first user equipment (UE), comprising:

  • receiving a safety message from a second UE, wherein the received safety message includes a cluster indicator that indicates whether the received safety message is a first safety message type or a second safety message type, wherein the first safety message type is associated with and includes information about a single UE, and wherein the second safety message type is associated with and includes information about multiple UEs;

    determining whether the received safety message is the first safety message type or the second safety message type based on the cluster indicator included in the safety message;

    determining whether a proximity condition between the first UE and the second UE is satisfied based on the received safety message;

    determining a mode of the first UE, the mode of the first UE being one of a standalone mode that indicates the first UE is not a member of any cluster of UEs, or a cluster member mode that indicates the first UE is a member of a cluster of UEs; and

    determining, when the first UE is in a cluster member mode where the first UE is a member of a cluster of UEs associated with the second UE, whether to leave the cluster of UEs based on successful matching of an identifier in the received safety message with a leader UE identifier associated with the cluster of UEs and based on the determination of whether the proximity condition is satisfied.

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