METHOD FOR ACQUIRING CHANGED SYSTEM INFORMATION AND DEVICE SUPPORTING THE SAME

    公开(公告)号:US20200162999A1

    公开(公告)日:2020-05-21

    申请号:US16628518

    申请日:2018-08-09

    Abstract: Provided are a method of acquiring changed system information (SI) and a device supporting the method. According to one embodiment of the present invention, a method for acquiring changed SI in a wireless communication system includes: receiving a first SI message; receiving a notification of SI change; receiving an indication indicating a second SI message, which only contains system information blocks (SIBs) to be modified in the first SI message; and receiving the second SI message according to the indication.

    METHOD FOR PERFORMING MEASUREMENT FOR AERIAL UE IN WIRELESS COMMUNICATION SYSTEM AND A DEVICE THEREFOR

    公开(公告)号:US20190166516A1

    公开(公告)日:2019-05-30

    申请号:US16317673

    申请日:2018-04-17

    Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing measurement for aerial UE in wireless communication system, the method comprising: informing a network of location information of the UE, which is used for figuring the network out current status of the UE which is in airborne status or is staying or hovering on the ground; receiving triggering conditions for measurement reporting which is associated with the informed location information of the UE; performing a measurement for a serving cell; and reporting result of the measurement to the serving cell if at least one of the triggering condition for the serving cell is met.

    METHOD AND APPARATUS FOR PERFORMING BEAM RECOVERY IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20240372602A1

    公开(公告)日:2024-11-07

    申请号:US18580955

    申请日:2022-07-20

    Abstract: Disclosed are a method and apparatus for performing beam recovery in a wireless communication system. A method for performing BFR in a wireless communication system, according to an embodiment of the present disclosure, may comprise the steps of: identifying a first CORESET pool and a second CORESET pool, on the basis of configuration information; on the basis that beam failure regarding a spatial parameter associated with the first CORESET pool is detected, on the basis of the spatial parameter associated with the second CORESET, transmitting a PRACH for the BFR; receiving a response regarding the PRACH; transmitting MAC-CE for the BFR; and receiving a response regarding the MAC-CE.

    METHOD AND APPARATUS FOR HANDLING SYNCHRONIZATION IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230262634A1

    公开(公告)日:2023-08-17

    申请号:US18012506

    申请日:2021-08-06

    CPC classification number: H04W56/0045 H04W76/27

    Abstract: The present disclosure relates to handling a synchronization in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving a configuration for a master cell group (MCG) and a configuration for a secondary cell group (SCG); applying a first timing alignment (TA) for one or more cells in the SCG and skipping a physical downlink control channel (PDCCH) monitoring for the one or more cells in a first state while a TA timer is running, wherein the TA timer is started upon receiving a TA command including the first TA; performing a state switching to a second state from the first state at a time point determined based on information related to state switching time received from a network, wherein a PDCCH monitoring is performed for the one or more cells in the second state; transmitting, to the network, switching information informing the state switching; receiving, in the second state, a TA command including a second TA upon which the TA timer is restarted, after transmitting the switching information; and applying the second TA for the one or more cells while the restarted TA timer is running.

    SUPPORT OF ENERGY EFFICIENT OPERATION

    公开(公告)号:US20220086716A1

    公开(公告)日:2022-03-17

    申请号:US17420995

    申请日:2020-03-09

    Abstract: A method and apparatus for support of energy efficient operation of a wireless device, e.g., a user equipment (UE), in a 5th generation new radio access technology (5G NR) is provided. A source node acquires information related to power consumption of a wireless device and transmits a message for initiation of handover. The message includes information related to energy efficiency of the wireless device. The information related to energy efficiency is based on the information related to power consumption of the wireless device. The target node performs admission control and/or resource allocation for the wireless device based on the information related to energy efficiency of the wireless device.

    METHOD AND APPARATUS FOR MOBILITY MANAGEMENT IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20220070752A1

    公开(公告)日:2022-03-03

    申请号:US17414492

    申请日:2020-01-16

    Abstract: The present disclosure relates to mobility management in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving mobility commands of candidate cells, mobility conditions for the candidate cells, and information for a timer; determining a first target cell among the candidate cells which satisfies a mobility condition for the first target cell; after determining the first target cell, determining a second target cell among the candidate cells which satisfies a mobility condition for the second target cell while the timer is running, wherein a priority of the second target cell is higher than a priority of the first target cell; and performing a mobility to the second target cell based on a mobility command of the second target cell.

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