CONFIGURATION OF A FIRST MESSAGE FOR A TWO-STEP RANDOM ACCESS CHANNEL PROCEDURE

    公开(公告)号:EP4287751A2

    公开(公告)日:2023-12-06

    申请号:EP23204299.4

    申请日:2020-01-16

    Abstract: A user equipment (UE) may be configured to receive configuration information from a base station, and the configuration information may indicate at least two different random access channel (RACH) request configuration parameters that each is associated with a respective radio resource control (RRC) state. The UE may be further configured to generate a first message associated with a two-step RACH procedure including a preamble and a payload, the payload including data on an uplink data channel and at least one reference signal. The UE may be further configured to transmit the first message to the base station using at least one of the at least two different RACH request configuration parameters that corresponds to an RRC state of the UE. The preamble may be transmitted on a first set of resources associated with a RACH occasion, and the payload may be transmitted on a second set of resources.

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