Method and apparatus for processing control message which requests retransmitting data
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United States of America Patent
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Mar 12, 2019
Grant Date -
May 6, 2010
app pub date -
Nov 3, 2009
filing date -
Nov 4, 2008
priority date (Note) -
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Abstract
A method and an apparatus for processing a control message for a request of retransmission are provided. The method includes generating a First Missing Serial number (FMS) describing a serial number of a data unit having a lowest serial number among data units which are not received, determining whether a data unit having a serial number greater than the serial number described in the FMS exists due to an out of sequence among data units which are previously received, generating a bitmap indicating a reception of a plurality of data units having a serial number greater than the FMS, if a data unit which is out of sequence exists, and connecting and transmitting the FMS and the bitmap.
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