FIELD: wireless communication.
SUBSTANCE: invention relates to the field of wireless communication. The communication method includes: receiving by a user equipment (UE) a resource configuration from a base station for grant-free transmissions, the resource configuration specifying K resources for K transport block (TB) transmissions; as part of a HARQ process having a HARQ process ID, UE transmitting an initial grant-free TB transmission using a resource of K resources that is not an initial resource of K resources, wherein the HARQ process ID is mapped to the resource.
EFFECT: invention provides grant-free transmission with reduced latency and retransmission with support for HARQ hybrid automatic repeat request.
40 cl, 25 dwg
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