METHOD AND APPARATUS FOR BUFFER STATUS REPORT IN MOBILE COMMUNICATION SYSTEM

    公开(公告)号:US20200077366A1

    公开(公告)日:2020-03-05

    申请号:US16676142

    申请日:2019-11-06

    Abstract: Method for radio communication with base station, by user equipment (UE), apparatus in UE for radio communication with base station, a method for radio communication with a UE by a base station, and an apparatus in a base station for radio communication with a UE are provided. The method for radio communication with a base station, by a UE, includes identifying whether an uplink resource allocated for data transmission to the base station is available, in response to a buffer status report for transmission to the base station being triggered; transmitting an uplink packet including the buffer status report using the available uplink resource, in response to the uplink resource being available; and transmitting a scheduling request to the base station, in response to the UE not having an available uplink resource and a first timer being expired, wherein the first timer starts when the buffer status report is triggered.

    METHOD AND APPARATUS FOR PERFORMING RANDOM ACCESS IN A MOBILE COMMUNICATION SYSTEM

    公开(公告)号:US20200022190A1

    公开(公告)日:2020-01-16

    申请号:US16579184

    申请日:2019-09-23

    Abstract: The present disclosure relates to a method and apparatus for performing random access in a user equipment for a small cell e-NB with a small cell service area in heterogeneous e-NB cell carrier integration (dual connectivity or inter-eNB carrier aggregation) in mobile communication systems. In accordance with an aspect of the present disclosure, a method for performing random access in a mobile communication system is provided. The method includes receiving a configuration request message for configuring a Serving Cell Group (SCG) from a second eNB located in a service area of a first eNB through the first eNB; configuring an SCG cell based on the configuration request message, and sending a configuration response message in response to the configuration request message to the second eNB through the first eNB; and performing random access if there is uplink data present on a logic channel (LCH) relocated into the SCG cell.

    METHOD AND APPARATUS FOR DISCONTINUOUS RECEPTION OF CONNECTED TERMINAL IN A MOBILE COMMUNICATION SYSTEM

    公开(公告)号:US20190182887A1

    公开(公告)日:2019-06-13

    申请号:US16273854

    申请日:2019-02-12

    Abstract: A method and apparatus are provided for controlling an active state in a mobile communication system. The method includes receiving, from a base station, information related to a starting position of an active state and information related to a length of a first timer; deriving the starting position of the active state based on the information related to the starting position; starting the first timer set to the length of the first timer and entering the active state at the derived starting position; extending the active state, in response to control data indicating a new transmission of user data being received on a control channel; and terminating the active state, based on a control signal indicating a termination of the active state and a second timer for extending the active state.

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