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Techniques for connectionless small data transmission

  • US 9,693,336 B2
  • Filed: 11/07/2013
  • Issued: 06/27/2017
  • Est. Priority Date: 03/01/2013
  • Status: Active Grant
First Claim
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1. A user equipment (UE), comprising:

  • a processor circuit;

    a configuration component for execution by the processor circuit to establish a connectionless small data transmission (CSDT) mode; and

    a communication component for execution by the processor circuit to;

    receive a resource reservation message indicating a pattern describing a set of reserved resources for CSDT, the set of reserved resources to comprise respective reserved resources of each of a plurality of radio frames including a first radio frame and a second radio frame, at least a portion of the reserved resources of each of the first and second radio frames reserved for the UE for CSDT;

    send a small data item in the CSDT mode using reserved resources of the first radio frame; and

    when an acknowledgment message is not received for the small data item, perform a backoff procedure and retransmit the small data item in the CSDT mode using reserved resources of the second radio frame.

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