Lg Electronics Inc.

Oanyong Lee

Sunghoon Jung

Jongwoo Hong

Sangwon Kim

Youngdae Lee

Hongsuk Kim

Hyunjung Choe

Joonkui Ahn

Changhwan Park

Seunggye Hwang

Seokmin Shin

Sunyoung Lee

Sangwook Lee

Yoonoh Yang

Jinyup Hwang

Geumsan Jo

Jinwoong Park

A method and apparatus for inheriting a broadcast system information in a wireless communication system is provided. A wireless device receives, from a first cell, a broadcast system information including a first information and a second information. A wireless device receives, from a second cell, another broadcast system information including anew information to replace the first information. A wireless device performs a measurement procedure, a cell selection procedure, and/or a cell reselection procedure while in the second cell, based on the second information received from the first cell.

Method and apparatus for inheriting a broadcast system information in a wireless communication system

A method and apparatus for measurement in idle state or inactive state considering a network slice in a wireless communication system is provided. A wireless device configures multiple network slices. A wireless device receives network slice information related to the multiple network slices. A wireless device establishes a Packet Data Unit (PDU) session for a specific service. A wireless device determines one or more frequencies that support the at least one network slice used by the PDU session among the multiple network slices, based on the frequency information. A wireless device reports measurement results on the determined one or more frequencies.

Method and apparatus for measurement in idle state or inactive state considering a network slice in a wireless communication system

A method and apparatus for suspending measurement with measurement configuration in a wireless communication system is provided. A wireless device receives, from a first cell, measurement configuration including a measurement frequency list and a suspension cell list. A wireless device perform measurements on at least one frequency included in the measurement frequency list. A wireless device moves to a second cell from the first cell. A wireless device stops the measurements and keeps the measurement configuration, based on determining that the second cell is included in the suspension cell list.

Method and apparatus for suspending measurement with measurement configuration in a wireless communication system

The present disclosure relates to a target cell selection for mobility. According to an embodiment of the present disclosure, a user equipment (UE) may apply an adjustment value to a mobility metric of a cell to obtain an effective mobility metric of the cell. The adjustment value may be related to a remaining service time for one or more cells. The UE may perform a mobility based on the effective mobility metric of the cell.

Target cell selection for mobility

The present disclosure relates to mobility in dual connectivity (DC) 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, from a network, a plurality of conditional mobility commands, each of the plurality of conditional mobility commands comprising a respective trigger type; identifying, among the plurality of conditional mobility commands, one or more conditional mobility commands comprising a trigger type corresponding to a secondary cell group (SCG) configuration status of the wireless device; and performing an evaluation of one or more target cells related to the one or more conditional mobility commands.

Method and apparatus for mobility in dual connectivity in wireless communication system

The present disclosure relates to performing measurement 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, from a network, information for at least one of a first cell quality threshold or a second cell quality threshold, and information for at least one of a first triggering threshold or a second triggering threshold; identifying a representative cell of each of a plurality of frequencies for measurement; obtaining a representative cell quality for each of the plurality of frequencies based on a measurement on the representative cell of each of the plurality of frequencies; and performing a relaxed measurement on the plurality of frequencies based on a determination that a triggering condition for the relaxed measurement is satisfied, wherein the triggering condition comprises at least one of: a condition that a number of frequencies for which representative cell quality is higher than the first cell quality threshold among the plurality of frequencies is lower than the first triggering threshold; or a condition that a number of frequencies for which representative cell quality is lower than the second cell quality threshold among the plurality of frequencies is higher than the second triggering threshold.

Method and apparatus for performing measurement in wireless communication system

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 handling ephemeris information for a NTN cell in a wireless communication system

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 controlling relaxed measurement in a wireless communication system

The present disclosure relates to a 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, the method comprises: receiving a connection release message from a network upon which the wireless device leaving a connected state; receiving a configuration of a threshold range from the network; receiving information for identities (IDs) of higher priority cells from the network; identifying a highest ranked cell among a plurality of neighbor cells based on a result of a measurement on the plurality of neighbor cells; identifying one or more neighbor cells among the plurality of neighbor cells whose ranking value is within the threshold range of a ranking value of the highest ranked cell; and performing a cell reselection to a cell among the one or more neighbor cells based on that an ID of the cell is included in the IDs of higher priority cells.

Method and apparatus for cell reselection in wireless communication system

A method and apparatus for conditional handover based on the service time of candidate cells in a wireless communication system is provided. A wireless device receives, from a network, handover configuration including information related to candidate cells to be measured and service time of each of the candidate cells. A wireless device performs measurement on the candidate cells. A wireless device selects a cell among the candidate cells based on the service time of each of the candidate cells. A wireless device performs handover to the selected cell.

Method and apparatus for conditional handover based on the service time of candidate cells in a wireless communication system

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.

A method and apparatus for a fast access considering service assistant information in a wireless communication system is provided. A wireless device selects a new cell. The wireless device performs a Random Access (RA) procedure to the new cell. The wireless device performs a cell reselection procedure based on a mobility information. The RA procedure includes (1) selecting a special RA preamble for service assistance information related to an intended slice, (2) transmitting, to the new cell, a RA message including the service assistance information; and (3) receiving, from the new cell, a response message including the mobility information.

Method and apparatus for a fast access considering service assistant information in a wireless communication system

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.

The present disclosure relates to method and apparatus for 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 at a first time point during a time duration; receiving, from the cell, information comprising a first time range and a weight related to the first time range; determining a mobility counter based on the weight related to the first time range, wherein a time length between the first time point and a second time point at which a previous cell reselection is performed during the time duration is within the first time range; and determining a mobility state of the wireless device based on the mobility counter.

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.

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Seoul, South Korea

Oanyong Lee