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公开(公告)号：US20240163759A1
公开(公告)日：2024-05-16
申请号：US18507344
申请日：2023-11-13
发明人： Hyung Deug BAE , Sook Yang KANG , Jae Wook SHIN , Sung Min OH , Soon Yong LIM , Sung Gu CHOI , You Sun HWANG
CPC分类号： H04W36/087 , H04W36/0072 , H04W36/0009
摘要： A method of an integrated access and backhaul (IAB) node may include: receiving, from a target base station, one or more user equipment (UE) context setup request messages including terminal radio resource reconfiguration information; sharing context information including the terminal radio resource reconfiguration information with a source IAB-distributed unit 1 (IAB-DU1); configuring terminal reconfiguration information using the shared context information; and transmitting one or more UE context setup response messages including the terminal reconfiguration information to the target base station in response to the one or more UE context setup request messages.
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2.发明公开公开(公告)号：US20240187953A1
公开(公告)日：2024-06-06
申请号：US18553814
申请日：2022-05-19
CPC分类号： H04W36/22 , H04W36/087 , H04W36/324 , H04W84/042 , H04W88/085
摘要： Embodiments include methods for a source donor centralized unit (CU) in an integrated access backhaul (IAB) wireless network. Such methods include determining that traffic between the source donor CU and a top-level IAB node in the wireless network needs to be offloaded to a target donor CU in the wireless network. Such methods include sending, to one or more descendant nodes of the source donor CU, a first indication that at least one configuration for traffic between the source donor CU and at least one IAB node is suspended, in association with migration of the top-level IAB node from the source donor CU to the target donor CU. Other embodiments include complementary methods for a target donor CU and for an IAB node, as well as CUs and IAB nodes configured to perform such methods.
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3.发明公开公开(公告)号：US20240073764A1
公开(公告)日：2024-02-29
申请号：US18240869
申请日：2023-08-31
发明人： Hanjung PARK , Joonhwan KWON
CPC分类号： H04W36/087 , H04W36/0072 , H04W36/304 , H04W76/27
摘要： A method, performed by a first distributed unit (DU), of performing communication in a wireless communication system, includes obtaining inter-DU interface configuration information for connection to a second DU; performing the connection to the second DU based on the inter-DU interface configuration information; obtaining information about a throughput of data of at least one radio unit (RU) connected to the first DU based on information about the at least one RU connected to the first DU; selecting at least one target RU based on the information about the throughput of data of the at least one RU; and performing migration of the at least one target RU from the first DU to the second DU.
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公开(公告)号：US20230422105A1
公开(公告)日：2023-12-28
申请号：US18039636
申请日：2022-05-02
申请人： LG ELECTRONICS INC.
发明人： Seokjung KIM , Jian XU , Daewook BYUN
CPC分类号： H04W36/0033 , H04W36/087 , H04W76/27
摘要： One disclosure of the present specification provides a method for establishing connection by gNB-CU. The method may comprise the steps of: transmitting a request message relating to UE context to the gNB-DU; and receiving a response message from the gNB-DU.
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公开(公告)号：US20230262557A1
公开(公告)日：2023-08-17
申请号：US18137529
申请日：2023-04-21
申请人： ZTE Corporation
发明人： Hao ZHU , Lin CHEN , Ying HUANG , Liping WANG , Xueying DIAO
IPC分类号： H04W36/08
CPC分类号： H04W36/087
摘要： The present disclosure describes methods, systems, and devices for releasing resources for a recovery integrated access backhaul-node (IAB-node) and/or avoiding, from performing radio resource control (RRC) reestablishment procedure, at least one descendant device of a recovery integrated access backhaul-node (IAB-node) from an initial IAB-donor-central unit (CU) to a new IAB-donor-CU. One method includes sending, by the new IAB-donor-CU to the initial IAB-donor-CU, a user equipment (UE) context release information to indicate the resources to be released; and upon receiving the UE context release information, releasing, by the initial IAB-donor-CU, the resources indicated by the UE context release information. Another method includes sending, by the new IAB-donor-CU to the initial IAB-donor-CU, a message. Another method includes sending, by the initial IAB-donor-CU to the at least one descendant device via the new IAB-donor-CU or new IAB-donor-DU, a radio resource control (RRC) message.
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公开(公告)号：US20240244459A1
公开(公告)日：2024-07-18
申请号：US18013181
申请日：2022-12-16
发明人： Argha Mukherjee , Roshan Kumar
CPC分类号： H04W24/06 , H04W36/087
摘要： Embodiments are directed to a NRDU handover simulator (100) for performing new radio (NR) standalone (SA) handover simulation. The NRDU handover simulator (100) includes UE group simulator (184) configured to generate multiple simulated UE groups and a DU simulator (186) configured to generate multiple simulated DUs and a test controller (182) connected to simulated UE groups and a traffic generator (188). The test controller (182) is configured to receive an input for performing handover for testing a DUT (190) and determine a simulated UE group associated with a simulated DU for performing the handover based on the input. The test controller (182) is configured to cause the traffic generator (188) to generate a traffic profile based on the input for performing the handover of the simulated UE group and perform simulated handover of the UE group associated with the simulated DU periodically, for testing the DUT (190).
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公开(公告)号：US20240172072A1
公开(公告)日：2024-05-23
申请号：US18517659
申请日：2023-11-22
发明人： Soon Gi Park , Jun Sik Kim , Young Jo Ko , Seok Bong Hyun
CPC分类号： H04W36/087 , H04W36/0016 , H04W36/0058
摘要： A method of a first distributed unit (DU) may comprise: receiving a measurement report from a user equipment (UE) through a serving (S)-master cell group (MCG) of the first DU; transmitting a first message including the measurement report to a first central unit (CU); performing a configuration operation of a target (T)-MCG between the first DU and the first CU; and transmitting configuration information of the T-MCG for the first DU to the UE, wherein the T-MCG for the first DU is configured with the UE based on the configuration information of the T-MCG.
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公开(公告)号：US20240163753A1
公开(公告)日：2024-05-16
申请号：US18281131
申请日：2021-03-17
发明人： Walter MÜLLER
CPC分类号： H04W36/0094 , H04W36/087
摘要： There is provided mechanisms for handling layer 3 measurements of a UE. A method is performed by an access network system. The access network system includes a CU and a DU. The method includes configuring the UE to perform layer 3 measurements. The UE is configured to perform layer 3 measurements according to measurement IDs. A first subset of the measurement IDs is associated with the CU and a second subset of the measurement IDs is associated with the DU. The method includes obtaining a report with a layer 3 measurement from the UE. The report has one of the measurement IDs. The method includes performing, at the CU, an action that depends on the layer 3 measurement in the report only when the measurement ID of the report is one of the measurement IDs in the first subset.
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公开(公告)号：US20240155456A1
公开(公告)日：2024-05-09
申请号：US18479743
申请日：2023-10-02
发明人： Naeem AKL , Jelena DAMNJANOVIC
CPC分类号： H04W36/324 , H04W36/0061 , H04W36/00692 , H04W36/0072 , H04W36/008357 , H04W36/087
摘要： A method for wireless communication at a user equipment (UE) is provided. In the method, the UE receives, via radio resource control (RRC), a configuration of multiple candidate cells for layer 1 (L1) or layer 2 (L2) inter-cell mobility from a network entity, and receive information about an L2 reset when switching between the multiple candidate cells from the network entity. Then, the UE performs a serving cell switch within the candidate cells for the UE in response to L1 or L2 signaling, and resets or reuses an L2 cell configuration based on the information in response to the serving cell switch.
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公开(公告)号：US20230308975A1
公开(公告)日：2023-09-28
申请号：US18133746
申请日：2023-04-12
申请人： FUJITSU LIMITED
发明人： Yang LU , Guorong LI , Meiyi JIA
CPC分类号： H04W36/087 , H04W36/0058
摘要： A group migration apparatus, configured in a source donor device, includes a first receiver configured to receive a measurement report transmitted by a migrating IAB (integrated access and backhaul) node, a first transmitter configured to transmit a first migration request message to a target donor device, the first migration request message including context information on the migrating IAB node and its served child IAB-node or UE (user equipment), a second receiver configured to receive a first response message transmitted by the target donor device, the first response message including an RRC (radio resource control) reconfiguration message for the migrating IAB node and its served child IAB-node or UE, and a second transmitter configured to transmit the RRC reconfiguration message to the migrating IAB node and its served child IAB-node or UE.
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