公开(公告)号：US10206091B2

公开(公告)日：2019-02-12

申请号：US15503092

申请日：2015-08-11

Applicant: LG ELECTRONICS INC.

Inventor： Jinsook Ryu ,  Hyunsook Kim ,  Laeyoung Kim ,  Jaehyun Kim ,  Taehun Kim

IPC: H04W72/00 ,  H04W8/00 ,  H04W8/02 ,  H04W24/08 ,  H04W28/02 ,  H04W76/12 ,  H04W8/04 ,  H04W64/00 ,  H04W72/04 ,  H04W72/12 ,  H04W4/70

Abstract: Disclosed are a method and apparatus for monitoring User Equipment (UE) reachability in a wireless communication system. More specifically, a method for monitoring UE reachability in a wireless communication system comprises receiving, by a Mobile Management Entity (MME), a message for monitoring the UE reachability including UE reachability related indication from a Home Subscriber Server (HSS); and allocating, by the MME, an Active Time to a UE, wherein the UE reachability related indication is used for setting the Active Time of the UE and wherein the UE reachability indication is used for the UE to stay reachable so that downlink data that a server wants to transmit to the UE can be transmitted to the UE.

公开(公告)号：US10172085B2

公开(公告)日：2019-01-01

申请号：US15110617

申请日：2015-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyun Kim ,  Jinsook Ryu ,  Taehun Kim ,  Hyunsook Kim ,  Laeyoung Kim ,  Taehyeon Kim

IPC: H04W52/02 ,  H04W60/00 ,  H04W76/18 ,  H04W4/70 ,  H04W76/27

Abstract: One embodiment of the present specification provides a method for supporting a power saving mode in a wireless device. The method can comprise the steps of: transmitting a request message including a first active time value to a network entity, if a PSM is necessary; and receiving a rejection message for the request message from the network entity. Here, the rejection message includes the reason for rejection, and can include a second active time value determined by considering the first active time value. The method can comprise the steps of terminating the transmission procedure of the request message after receiving the reject message, and entering a PSM state on the basis of the second active time value.

公开(公告)号：US09999020B2

公开(公告)日：2018-06-12

申请号：US15107740

申请日：2015-01-05

Applicant: LG Electronics Inc.

Inventor： Jaehyun Kim ,  Jinsook Ryu ,  Taehun Kim ,  Hyunsook Kim ,  Laeyoung Kim ,  Taehyeon Kim

IPC: H04W68/02 ,  H04W8/02 ,  H04W88/16 ,  H04W8/12 ,  H04W4/00 ,  H04W52/02 ,  H04W60/04 ,  H04W88/00

CPC classification number: H04W68/02 ,  H04W4/70 ,  H04W8/02 ,  H04W8/12 ,  H04W52/0229 ,  H04W60/04 ,  H04W68/005 ,  H04W68/025 ,  H04W76/28 ,  H04W88/005 ,  H04W88/16 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1226 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/23

Abstract: A disclosure of the present specification provides a method for transferring downlink data by a serving gateway (S-GW). The method may comprise the steps of: transmitting a downlink data notification (DDN) message to a mobility management entity (MME) and a serving general packet radio service (GPRS) supporting node (SGSN), when downlink data arrives at a wireless device in a state where an idle mode signaling reduction (ISR) is activated; receiving a message notifying of a DDN refusal from any one of the MME and SGSN when the wireless device, being in a power saving mode (PSM), cannot receive the downlink data; and transmitting a paging stop request message to any one of the MME and SGSN when the message indicating the refusal of the DDN is received.

公开(公告)号：US09668236B2

公开(公告)日：2017-05-30

申请号：US15081542

申请日：2016-03-25

Applicant: LG ELECTRONICS INC.

Inventor： Jinsook Ryu ,  Hyunsook Kim ,  Laeyoung Kim ,  Jaehyun Kim ,  Taehun Kim

IPC: H04W4/00 ,  H04W68/02 ,  H04W76/04 ,  H04W68/00 ,  H04W8/04 ,  H04W8/06 ,  H04W8/18

CPC classification number: H04W68/02 ,  H04W8/04 ,  H04W8/06 ,  H04W8/18 ,  H04W68/005 ,  H04W76/28

Abstract: Disclosed herein are a method and apparatus for monitoring UE reachability in a wireless communication system. A method for monitoring UE reachability may include receiving, by a Mobility Management Entity, a monitoring request message for UE reachability including a maximum response time from a Home Subscriber Server, detecting, by the MME, the UE reachability if it is expected that paging is able to be transmitted to UE when extended Discontinuous Reception is applied to the UE, and sending, by the MME, a UE reachability notification to a Service Capability Exposure Function before a next paging occasion of the UE, wherein the maximum response time may indicate a time during which the UE maintains a reachable state so that downlink data is reliably delivered to the UE, and wherein an occasion when the UE reachability notification is transmitted may be determined by taking into consideration the maximum response time.

公开(公告)号：US12069759B2

公开(公告)日：2024-08-20

申请号：US17426564

申请日：2020-02-14

Applicant: LG Electronics Inc.

Inventor： Sunghoon Jung ,  Youngdae Lee ,  Jongwoo Hong ,  Taehun Kim

IPC: H04W76/19 ,  H04L1/1812 ,  H04L67/141 ,  H04L69/28 ,  H04L69/40 ,  H04W24/10 ,  H04W76/15 ,  H04W76/18 ,  H04W76/30

CPC classification number: H04W76/19 ,  H04L1/1812 ,  H04W24/10 ,  H04W76/30

Abstract: A method and apparatus for recovery from deadlock after master cell group (MCG) failure report in a wireless communication system is provided. Upon detecting a master cell group (MCG) radio link failure (RLF), a wireless device transmits information for the MCG RLF to a secondary node (SN) by using a secondary cell group (SCG), and starts a timer. Upon expiry of the timer, the wireless device performs a connection re-establishment procedure.

公开(公告)号：US11700666B2

公开(公告)日：2023-07-11

申请号：US17667160

申请日：2022-02-08

Applicant: LG Electronics Inc.

Inventor： Jaewook Lee ,  Taehun Kim ,  Youngdae Lee ,  Jongwoo Hong

IPC: H04W80/02 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/14 ,  H04W92/18 ,  H04W76/27 ,  H04L1/00 ,  H04W36/08 ,  H04W4/40

CPC classification number: H04W80/02 ,  H04L1/0003 ,  H04W4/40 ,  H04W36/08 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/14 ,  H04W76/27 ,  H04W92/18

Abstract: A method performed by a user equipment (UE) in a wireless communication system, the method including: selecting to create a configured sidelink grant corresponding to transmissions of at least one media access control (MAC) protocol data unit (PDU); and triggering a transmission carrier selection procedure based on (i) data being available in a sidelink traffic channel (STCH) associated with one or more carriers, and (ii) there being no configured sidelink grant on any carrier, among the one or more carriers, that is allowed for the STCH.

公开(公告)号：US11595939B2

公开(公告)日：2023-02-28

申请号：US17282554

申请日：2019-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyunjung Choe ,  Taehun Kim ,  Youngdae Lee

IPC: H04W68/00 ,  H04W76/30 ,  H04L1/18 ,  H04W74/08 ,  H04L1/1867

Abstract: The present disclosure relates to method and apparatus for controlling a transmission of a response signal in a wireless communication system. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system, comprises receiving a signal for a paging from a network; and receiving downlink (DL) data related to the paging, wherein a transmission of at least one of a paging response for the paging or acknowledgment (ACK) information for the DL data is determined based on information included in the signal for the paging.

公开(公告)号：US11558917B2

公开(公告)日：2023-01-17

申请号：US17572941

申请日：2022-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoo Hong ,  Taehun Kim ,  Jaewook Lee ,  Sangwon Kim

IPC: H04W76/19 ,  H04W88/04 ,  H04W36/00 ,  H04W36/34 ,  H04W76/14 ,  H04W36/30 ,  H04W36/36 ,  H04W84/04

Abstract: The present specification provides a method for performing a radio link failure (RLF) recovery procedure in a wireless communication system.
The method performed by a first user equipment (UE) includes, wherein the first UE is connected to a base station via a UE-to-UMTS (Uu) link and is connected to a second UE via a sidelink, determining a path for performing the RLF recovery procedure when a RLF is detected on the Uu link, and performing an RRC connection re-establishment procedure in order to recover the RLF through the determined path.

公开(公告)号：US11553550B2

公开(公告)日：2023-01-10

申请号：US16502493

申请日：2019-07-03

Applicant: LG Electronics Inc.

Inventor： Taehun Kim ,  Bokyung Byun

IPC: H04W12/00 ,  H04W76/27 ,  H04W12/30

Abstract: A method and apparatus for supporting security in a radio resource control (RRC) inactive state in a wireless communication system is provided. A user equipment (UE) receives information on multiple security variables, of which each variable is mapped to each of multiple counter values, respectively. The UE calculates a security parameter and/or updating a UE identifier (ID) based on a security variable among the security variables which is mapped to a corresponding counter value among the multiple counter values, and transmits a radio resource control (RRC) resume request message including the calculated security parameter and/or the updated UE ID. The counter value may be increase whenever a timer expires or an RRC reject message is received as a response to the RRC resume request message.

公开(公告)号：US11496880B2

公开(公告)日：2022-11-08

申请号：US16904232

申请日：2020-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Jinsook Ryu ,  Sangmin Park ,  Laeyoung Kim ,  Taehun Kim

IPC: H04W8/08 ,  H04W60/04 ,  H04W68/02 ,  H04W4/029 ,  H04W76/11 ,  H04W76/27 ,  H04W12/06 ,  H04W36/00 ,  H04W76/25 ,  H04W4/70 ,  H04W84/04

Abstract: Disclosed herein are a method for tracking area update in a wireless communication system and an apparatus therefor. Specifically, a method for user equipment (UE) to perform a tracking area update (TAU) procedure in a wireless communication system comprises: a step of transmitting a TAU request message to a mobility management entity (MME); and a step of receiving a TAU accept message from the MME, wherein if the UE uses signaling optimization to enable the delivery of user data through a control plane over the MME, and the UE does not have pending user data to be transmitted through a user plane and has pending user data to be transmitted through the control plane over the MME, then a first active flag can be set in the TAU request message.