Method and apparatus for controlling relaxed measurement in a wireless communication system

    公开(公告)号:US12133121B2

    公开(公告)日:2024-10-29

    申请号:US17623007

    申请日:2020-09-28

    CPC classification number: H04W36/0058 H04W36/0069 H04W36/00835

    Abstract: A method and apparatus for controlling relaxed measurement in a wireless communication system is provided. A wireless device receives, from a network, a first measurement configuration including at least one of relaxed measurement conditions. A wireless device receives, from the network, a second measurement configuration including a frequency set to be measured in an idle state and/or an inactive state. A wireless device determines to perform a relaxed measurement or no measurement on at least one of frequency which is not included in the frequency set included in the second measurement configuration, based on that the at least one of the relaxed measurement conditions is met.

    Method and apparatus for managing measurement result in wireless communication system

    公开(公告)号:US11606708B2

    公开(公告)日:2023-03-14

    申请号:US16991706

    申请日:2020-08-12

    Abstract: The present disclosure relates to managing measurement results in wireless communications. According to an embodiment of the present disclosure, a method performed by wireless device in a wireless communication system, the method comprises: receiving, from a first cell, a first frequency list for a measurement comprising a specific frequency; performing a measurement on the specific frequency to obtain a measurement result for the specific frequency; receiving, from a second cell to which a cell reselection is performed, a second frequency list for a measurement; and upon identifying that the specific frequency is different from all frequencies included in the second frequency list, releasing the measurement result for the specific frequency.

    Method and apparatus for performing measurement in wireless communication system

    公开(公告)号:US12041499B2

    公开(公告)日:2024-07-16

    申请号:US17422687

    申请日:2020-03-09

    CPC classification number: H04W36/0094 H04B17/318 H04W24/10 H04W36/0058

    Abstract: The present disclosure relates to method and apparatus for performing a measurement wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device comprises: receiving measurement configurations from a network, each of the measurement configurations mapping to a corresponding signal quality range; measuring a first signal quality for a serving cell at a first time point and a second signal quality for the serving cell at a second time point after the first time point; identifying a signal quality range to which a difference between the first signal quality and the second signal quality belongs; and performing a measurement based on a measurement configuration mapped to the identified signal quality range.

    Method and apparatus for cell reselection in wireless communication system

    公开(公告)号:US12010581B2

    公开(公告)日:2024-06-11

    申请号:US17413489

    申请日:2020-01-15

    Inventor: Oanyong Lee

    CPC classification number: H04W36/30

    Abstract: The present disclosure relates to cell reselection in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: performing a cell reselection to a cell; receiving information for a signal quality range, information for a scaling factor for the signal quality range and information for a time period for determining a number of cell reselections; based on a determination that a signal quality measured for the cell is within the signal quality range, applying the scaling factor for the signal quality range to the time period; and estimating a mobility state of the wireless device based on the time period to which the scaling factor is applied.

    Management of cell measurement
    6.
    发明授权

    公开(公告)号:US11863291B2

    公开(公告)日:2024-01-02

    申请号:US18162560

    申请日:2023-01-31

    CPC classification number: H04B7/18513

    Abstract: A disclosure of this specification provides a method for radio communication, performed by user equipment (UE). The method is comprising: connecting to a non-terrestrial network (NTN) satellite serving a targeted service area via a service link, wherein the NTN satellite is connected to a gateway via a feeder link; receiving, from the NTN satellite, information on service time of a serving cell; starting to perform neighbor cell measurement at a time point before end of the service time of the serving cell by a certain time, regardless of whether a cell quality of the serving cell meets a cell selection criterion S, wherein the NTN satellite provides an earth fixed system, wherein the information on the service time includes information on when the serving cell is going to stop serving the targeted service area, wherein the information on the service time is provided based on a Coordinated Universal Time.

    Method and apparatus for handling ephemeris information for a NTN cell in a wireless communication system

    公开(公告)号:US12135379B2

    公开(公告)日:2024-11-05

    申请号:US17692060

    申请日:2022-03-10

    Abstract: A method and apparatus for handling ephemeris information for a NTN cell in a wireless communication system is provided. A wireless device may receive, from a network, an ephemeris information related to a Non-Terrestrial Networks (NTN) cell. The wireless device may determine whether the ephemeris information is valid or not, based on whether the measurement on the NTN cell is able to be performed during the service time of the NTN cell. Based on determining that the ephemeris information is not valid, the wireless device may transmit, to the network, (1) information informing that the ephemeris information is not valid and (2) information on time at which the measurement on the NTN cell is able to be performed.

    Method and apparatus for informing relaxed measurement upon early measurement reporting in a wireless communication system

    公开(公告)号:US11405814B2

    公开(公告)日:2022-08-02

    申请号:US17039783

    申请日:2020-09-30

    Inventor: Oanyong Lee

    Abstract: A method and apparatus for informing relaxed measurement upon early measurement reporting in a wireless communication system is provided. A wireless device evaluates the at least one of the relaxed measurement conditions based on measurement results of the serving frequency. A wireless device performs relaxed measurement on the serving frequency and/or the at least one of neighbor frequencies based on the evaluation. A wireless device transmits, to the network, a message including 1) measurement results on each frequency of the frequency set, and 2) information on the relaxed measurement on the each frequency of the frequency set.

    Method and apparatus for reporting relaxed measurement in a wireless communication system

    公开(公告)号:US11356884B2

    公开(公告)日:2022-06-07

    申请号:US17060713

    申请日:2020-10-01

    Inventor: Oanyong Lee

    Abstract: A method and apparatus for reporting relaxed measurement in a wireless communication system is provided. A wireless device receives, from a network, a first measurement configuration including at least one of relaxed measurement conditions. A wireless device performs measurements on a serving cell based on the first measurement configuration. A wireless device evaluates the at least one of the relaxed measurement conditions based on results of the measurements on the serving cell. A wireless device performs a first relaxed measurement on the serving cell and/or at least one of neighbor cells based on the evaluation. A wireless device transmits, to the network, a message including an information informing that the first relaxed measurement has been performed on the serving cell and/or the at least one of the neighbor cells.

    METHOD AND APPARATUS FOR PERFORMING MEASUREMENT IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20220116837A1

    公开(公告)日:2022-04-14

    申请号:US17422687

    申请日:2020-03-09

    Abstract: The present disclosure relates to method and apparatus for performing a measurement wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device comprises: receiving measurement configurations from a network, each of the measurement configurations mapping to a corresponding signal quality range; measuring a first signal quality for a serving cell at a first time point and a second signal quality for the serving cell at a second time point after the first time point; identifying a signal quality range to which a difference between the first signal quality and the second signal quality belongs; and performing a measurement based on a measurement configuration mapped to the identified signal quality range.

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