CPC H04L 1/1893 (2013.01) [H04L 1/1812 (2013.01); H04L 1/1896 (2013.01)] | 20 Claims |
1. A method for adjusting a contention window size (CWS), applicable to a data transmission terminal, comprising:
receiving Hybrid Automatic Repeat reQuest (HARQ) feedback information for first data units and/or second data units from a data reception terminal within a reference duration, the HARQ feedback information comprising acknowledgement (ACK) information or non-acknowledgement (NACK) information, one second data unit comprising one or more first data units;
determining target first data units or target second data units, for which the HARQ feedback information is counted as the NACK information;
calculating a NACK ratio within the reference duration based on the determined target first data units and/or target second data units; and
adjusting the CWS based on the NACK ratio.
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