The present disclosure discloses a message transmission method, a user device, a base station and a storage medium.The message transmission method of this disclosure isReceiving the upstream grant information or retransmission instruction information transmitted from the base station sideBased on the number of descending subframes containing the above described upstream grant information or retransmission instruction informationDetermines at least one subframe delay corresponding toBased on the at least one subframe delayDetermining at least one upstream resource, which is the up pilot time slot in the up subframe and / or the special subframe, andPerforming an upstream sharing channel in the at least one upstream resource;.Diagram
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