| CPC H04L 1/1816 (2013.01) [H04W 4/40 (2018.02)] | 13 Claims | 

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               1. A Hybrid Automatic Repeat reQuest (HARQ) process management method, comprising: 
            receiving Sidelink Control Information (SCI) which indicates a HARQ process identity; and 
                determining a HARQ process associated with the SCI; 
                wherein said determining the HARQ process associated with the SCI comprises: 
              determining presence or absence of the HARQ process associated with an identity combination, wherein the identity combination is indicated by the SCI and comprises the HARQ process identity; and 
                  associating an idle HARQ process with the identity combination indicated by the SCI based on the absence of the HARQ process associated with the identity combination. 
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