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METHOD AND APPARATUS FOR OPERATING A TIMER FOR PROCESSING DATA BLOCKS

  • US 20150229573A1
  • Filed: 04/24/2015
  • Published: 08/13/2015
  • Est. Priority Date: 01/05/2002
  • Status: Active Grant
First Claim
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1. A method of controlling a stall avoidance in a reordering buffer of a communication device using at least one timer comprising:

  • (a) receiving a plurality of data blocks by the reordering buffer of a MAC-hs sub-layer of a medium access control (MAC) layer;

    (b) placing each data block in the reordering buffer at a place indicated by each transmission sequence number (TSN) of each data block;

    (c) starting the at least one timer when a data block is correctly received and the TSN of the data block is higher than the next expected TSN if the at least one timer is not active,(d) delivering to a higher entity all correctly received data blocks up to and including TSN−

    1 and all correctly received data blocks up to the next not received data block when the at least one timer expires; and

    (e) starting the at least one timer for a data block having the highest TSN among those of the data blocks that cannot be delivered to the higher entity.

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