Method and devices for duplicated packets identification during handover

Method and devices for duplicated packets identification during handover

  • CN 1,961,599 A
  • Filed: 05/14/2004
  • Published: 05/09/2007
  • Est. Priority Date: 05/14/2004
  • Status: Active Application
First Claim
Patent Images

1. an execution connects the method that switch to the communication based on data cell of the connection of second second transmitter (20) and the described receiver (4) (52) (51) from first between first transmitter (10) and the receiver (4), this communication comprises data unit sequence, and this method comprises:

  • Connect (51) described first and go up termination (S44;

    S54) described communication is gone up the described communication of continuation and connect (52) described second,Described first connect (51) go up end described communication before, both provide (S41 to described first transmitter (10) and described second transmitter (20);

    S51) destination is the data cell of described receiver (4),It is characterized in that,To described receiver (4) indication (S42;

    S52) reference data unit in being provided for described first transmitter (10) and both those data cells of described second transmitter (20),Described receiver (4) keeps (S43 based on described reference data unit;

    S53) record, be used for being provided for both such data cells of those data cell signs of described first transmitter (10) and described second transmitter (20), promptly this data cell is gone up in described first connection (51) and sends and successfully received by described receiver (4).

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