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公开(公告)号：US10764780B2
公开(公告)日：2020-09-01
申请号：US15643761
申请日：2017-07-07
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Ching-Wen Cheng , Hung-Chen Chen , Fang-Ching Ren
IPC: H04W28/02 , H04L12/851 , H04W28/10 , H04L12/801 , H04L29/06 , H04W76/10 , H04L12/741
Abstract: A method of service level differentiation at a radio access network, a wireless network system and a radio access network (RAN) access node are provided. The method of service level traffic differentiation at the radio access network includes the following steps: A core network transmits a data flow information including a flow ID to a RAN access node via a user plane packet of an interface between the core network and the RAN access node. The RAN access node sets up a data connection with a user equipment according to the data flow information.
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公开(公告)号：US20180014223A1
公开(公告)日：2018-01-11
申请号：US15643761
申请日：2017-07-07
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Ching-Wen Cheng , Hung-Chen Chen , Fang-Ching Ren
IPC: H04W28/02 , H04L12/851 , H04W28/10 , H04W76/02
Abstract: A method of service level differentiation at a radio access network, a wireless network system and a radio access network (RAN) access node are provided. The method of service level traffic differentiation at the radio access network includes the following steps: A core network transmits a data flow information including a flow ID to a RAN access node via a user plane packet of an interface between the core network and the RAN access node. The RAN access node sets up a data connection with a user equipment according to the data flow information.
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公开(公告)号：US20250126654A1
公开(公告)日：2025-04-17
申请号：US18908817
申请日：2024-10-08
Applicant: Industrial Technology Research Institute
Inventor： Ching-Wen Cheng
IPC: H04W74/0833
Abstract: The present disclosure provides a method for executing random access resource selection in UE served by an NTN. The method includes: detecting a synchronization signal block (SSB) transmitted by an NTN cell, based on a predefined communication resource associated with the SSB; determining an identifier (ID) associated with the detected SSB; maintaining assistance information, wherein the assistance information comprises at least one of the following: first information associated with a presentation order of the detected SSB; and second information associated with an available service duration d of a random access resource associated with the detected SSB; selecting one of the detected SSB as a first SSB based on the assistance information when a plurality of SSB are detected; and applying a random access resource associated with the first SSB for performing a random access procedure.
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公开(公告)号：US20240381196A1
公开(公告)日：2024-11-14
申请号：US18660245
申请日：2024-05-10
Applicant: Industrial Technology Research Institute
Inventor： Ching-Wen Cheng , Nai-Lun Huang
IPC: H04W36/00
Abstract: A RACH-less HO method for a UE in a NTN system is provided, including: receiving a HO command from a source cell, wherein the HO command includes a RACH-less HO configuration and a RACH-based HO configuration associated with one of cells of the NTN system, wherein the RACH-less HO configuration includes a RACH-less available time and a UL transmission resource; determining a target cell according to the at least one cell configured by the HO command; performing a UL resource selection procedure to obtain a target UL transmission resource associated with the target cell for performing a target UL transmission to the target cell; performing a HO confirmation procedure with the target cell by applying a UL timing adjustment information associated with the target UL transmission resource to perform the target UL transmission to the target cell.
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公开(公告)号：US20200245223A1
公开(公告)日：2020-07-30
申请号：US16727933
申请日：2019-12-27
Applicant: Industrial Technology Research Institute
Inventor： Ching-Wen Cheng , Chun-Yuan Chiu
IPC: H04W40/36 , H04L12/741 , H04W40/12 , H04W36/00
Abstract: A packet routing method is provided according to an embodiment. The method includes: updating a first routing configuration configured to a source node and a second routing configuration configured to a target node in response to a handover of a user equipment (UE) from the source node to the target node; receiving a first packet with a first header reflecting a result of the handover; and transmitting the first packet with the first header according to at least one of the updated first routing configuration and the updated second routing configuration.
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Patent Agency Ranking
公开(公告)号：US20240155522A1
公开(公告)日：2024-05-09
申请号：US18501045
申请日：2023-11-03
Applicant: Industrial Technology Research Institute
Inventor： Ching-Wen Cheng , Fang-Ching Ren
CPC classification number: H04W56/0015 , H04W36/0061 , H04W56/0045
Abstract: A method of non-terrestrial network (NTN) communication and a user equipment (UE) using the same method are provided. The method includes: receiving a cell change command comprising re-synchronization information; and performing a re-synchronization procedure according to the re-synchronization information, wherein the re-synchronization information comprising at least one of the following: a re-synchronization time; ephemeris information associated with a target cell; timing advance adjustment information associated with the target cell; a timing advance command value associated with the target cell; and a re-synchronization indication for indicating the UE to perform the re-synchronization procedure, wherein the re-synchronization procedure comprises a downlink re-synchronization procedure.
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公开(公告)号：US11419021B2
公开(公告)日：2022-08-16
申请号：US16556238
申请日：2019-08-30
Applicant: Industrial Technology Research Institute
Inventor： Ching-Wen Cheng
Abstract: The disclosure is directed to a connection re-direction method used by a UE, a connection re-direction method used by a remote access node, a user equipment using the same method, and a remote access node using the same method. In an aspect, the connection re-direction method used by a UE includes receiving a network connection failure indication; and performing a handover procedure based on a pre-configured handover configuration in response to having received the connection failure indication.
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公开(公告)号：US20200245402A1
公开(公告)日：2020-07-30
申请号：US16726135
申请日：2019-12-23
Applicant: Industrial Technology Research Institute
Inventor： Chun-Yuan Chiu , Ching-Wen Cheng
Abstract: The disclosure is directed to an RLC SDU transmission method, and an IAB node using the same method. In as aspect, the RLC SDU transmission method is used by a first IAB node and includes: receiving a control signal from an IAB donor node; identifying a stray RLC SDU destined for the UE, associated with a sequence number, and not acknowledged by the second IAB node in response to receiving the control signal; and transmitting an RLC PDU to the second IAB node to inform the second IAB node of the stray RLC SDU.
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公开(公告)号：US10701583B2
公开(公告)日：2020-06-30
申请号：US15643784
申请日：2017-07-07
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Ching-Wen Cheng , Hung-Chen Chen , Fang-Ching Ren
IPC: H04W28/02 , H04L12/801 , H04L29/06 , H04W76/10 , H04L12/851 , H04W28/10 , H04L12/741
Abstract: A method of service level traffic differentiation at a radio access network, a wireless network system and a radio access network (RAN) access node are provided. The method of service level traffic differentiation at the radio access network includes the following steps: A core network transmits a data flow information including a flow ID to a RAN access node via a user plane packet. The RAN access node sets up a data connection to a user equipment according to the data flow information.
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10.发明申请公开(公告)号：US20200077310A1
公开(公告)日：2020-03-05
申请号：US16556238
申请日：2019-08-30
Applicant: Industrial Technology Research Institute
Inventor： Ching-Wen Cheng
Abstract: The disclosure is directed to a connection re-direction method used by a UE, a connection re-direction method used by a remote access node, a user equipment using the same method, and a remote access node using the same method. In an aspect, the connection re-direction method used by a UE includes receiving a network connection failure indication; and performing a handover procedure based on a pre-configured handover configuration in response to having received the connection failure indication.
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