Two-stage trigger procedure
地域：
CA
CA Torrance
摘要
The invention relates to a user equipment for being scheduled with uplink radio resources. The user equipment receives from a radio base station a first-stage uplink resource scheduling message, indicating uplink radio resources usable by the UE to perform an uplink transmission via an unlicensed cell. The receiver further receives a second-stage uplink resource scheduling message, which is related to the first-stage uplink resource scheduling message. Upon reception of the second-stage uplink resource scheduling message, a processor of the UE determines that an uplink transmission is scheduled in case the first-stage uplink resource scheduling message is valid. The first-stage uplink resource scheduling message is determined valid based on a determination as to whether an uplink transmission has been triggered by another second-stage uplink resource scheduling message within a predetermined time period prior to reception of the second-stage uplink resource scheduling message. The UE then performs an uplink transmission.
說(shuō)明書(shū)
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The current 3GPP technical standards thus define in great detail how a two-stage grant procedure is to be performed. It should be however noted that the above provided definition of two-stage grant procedures as currently standardized is subject to a continuous change and improvement and thus may change in the future. Consequently, the above cited implementation of the two-stage grant procedure according to the current 3GPP technical standards is to be merely considered as an implementation example, where many details are of less importance to the present disclosure.
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