Patents by Inventor Yunjie Lu
Yunjie Lu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240171653Abstract: The present disclosure provides a method in a network node implementing a Service Communication Proxy, SCP, function. The method includes: receiving, from a first Network Function, NF, a request destined to a second NF, wherein the request comprises information on the second NF; redirecting the request to a third NF, wherein the redirected request comprises information on the third NF; and transmitting a response to the first NF, wherein the response comprises the information on the third NF.Type: ApplicationFiled: January 25, 2024Publication date: May 23, 2024Inventors: Yunjie Lu, Yong Yang
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Patent number: 11985045Abstract: Embodiments of the present disclosure provides a method and an apparatus for subscribing a notification of a change of a network function. A method for subscribing to notification of a change of a network function may comprise: transmitting (S101) a subscription message to a monitoring network function; and receiving (S102) a notification from the monitoring network function to notify a change from the network function whose status is required to be monitored. The subscription message indicates of the network function. The attribute comprises a serving scope indicating one or more target served area of the network function whose status is required to be monitored. According to embodiments of the present disclosure, a simple and fast implementation for subscribing notification of change of network function may be achieved. Particularly, both the response time and the accuracy of the notification about a change of a subscribed network function may be improved.Type: GrantFiled: March 17, 2021Date of Patent: May 14, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yingjiao He, Xinyu Zhang, Wu Wang, Jinyin Zhu, Deqin Zhan, Yunjie Lu
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Publication number: 20240146812Abstract: Various embodiments of the present disclosure provide methods and apparatuses for session service management. A method performed by a first session management function comprises determining first N4 information related to a user plane function (UPF). The first N4 information comprises an identifier of the UPF. The method further comprises sending a first message comprising the first N4 information to a second session management function.Type: ApplicationFiled: January 21, 2022Publication date: May 2, 2024Inventors: Zhansheng Wei, Yingjiao He, Wu Wang, Wenjun Liu, Yunjie Lu, Huaicheng Dai
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Publication number: 20240147313Abstract: Methods and systems for transferring monitoring event information during a mobility procedure are provided. According to one aspect, a method for transferring monitoring event information during a mobility procedure comprises, at a first network node: receiving and storing subscription information indicating that a second network node has subscribed to get notification when there is a data delivery failure involving a User Equipment (UE), followed by the UE becoming reachable; detecting a data delivery failure involving the UE, and setting a flag to indicate that a data delivery failure involving the UE has occurred; receiving, from a third network node, a mobility related request; sending, to the third network node, a response to the mobility related request, comprising an indication that the third network node should notify the second network node when the UE becomes reachable and/or when then UE enters the IDLE state.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Inventors: Yong Yang, Wenliang Xu, Yunjie Lu
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Patent number: 11968273Abstract: In one aspect, an NRF is configured to inform an NF instance that has sent a discover request toward the NRF that the number of NF instances that match the search criteria used by the NRF in response to the discover request is greater than the number of NF instance profiles included in the NF instances array of the discover response.Type: GrantFiled: January 15, 2020Date of Patent: April 23, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Yong Yang, Jesus Angel De-Gregorio-Rodriguez, Yunjie Lu
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Publication number: 20240121594Abstract: A method implemented by a first network node in a communication network is provided. The method comprises: receiving a first subscription for subscribing a first User Equipment UE reachability event of a UE from an event subscriber, wherein the first subscription comprises a first indicator for indicating whether the first UE reachability event is to be reported in a direct mode or an indirect mode; sending a second subscription for subscribing a second UE reachability event to a second network node that is registered in the first network node, the second subscription comprises a second indicator for indicating that the first UE reachability event is to be directly or indirectly reported to the event subscriber according to the first indicator; and sending a first UE reachability report to the event subscriber.Type: ApplicationFiled: January 25, 2022Publication date: April 11, 2024Inventors: Emiliano Merino Vazquez, Cheng Wang, Jose Miguel Dopico Sanjuan, Yunjie Lu, Juan Manuel Fernandez Galmes
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Publication number: 20240121741Abstract: The present disclosure provides methods for event subscription management in a network comprising a set of NF nodes, and corresponding NF nodes. The method implemented at a first NF node includes receiving a subscription request of an event for a user equipment, UE, from a third NF node; transmitting, to a second NF node that serves the UE, a subscription report request for the event for the UE; receiving, from a fourth NF node that currently serves the UE, a UE registration request for the UE, including an indication indicating whether the UE is in a restricted service area; and determining whether to transmit a notification for the event to the third NF node based on the UE registration request. The present disclosure further discloses a corresponding method implemented at the second NF node. The present disclosure further provides corresponding computer readable medium.Type: ApplicationFiled: February 15, 2021Publication date: April 11, 2024Inventors: David Castellanos Zamora, Yunjie Lu, Jesús Ángel De Gregorio Rodriguez, Emiliano Merino Vazquez
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Publication number: 20240121591Abstract: Method and apparatus in which a network exposure node receives, from a server, a first request for monitoring communication failure for at least one terminal device. The network exposure node obtains a connection identity (ID) for identifying a connection between the at least one terminal device and the server, based on the received first request. The network exposure node sends, to a subscriber management node or a policy decision node, a second request for monitoring communication failure for the at least one terminal device. The second request includes the obtained connection ID.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Wenliang XU, Juying GAN, Yunjie LU
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Patent number: 11943842Abstract: Exemplary embodiments include methods for establishing a user-requested protocol data unit (PDU) session in a user's visited public land mobile network (VPLMN), by a session management function (V-SMF) in the VPLMN. Such methods include receiving, from an access and mobility management function (AMF) in the VPLMN, a PDUSession_CreateSMContext Request to establish the PDU session to be routed through the user's home PLMN (HPLMN). The PDUSession_CreateSMContext Request identifies an SMF (H-SMF) in the user's HPLMN. Such methods include sending, to the identified H-SMF, a PDUSession_Create Request to create the PDU session. The PDUSession_Create Request includes an identifier of a session management (SM) context, in the V-SMF, that is associated with the PDU session. Such methods include receiving, from the H-SMF, a PDUSession_Update Request that includes an identifier of an SM context, in the H-SMF, that is associated with the PDU session. Embodiments also include complementary methods performed by the H-SMF.Type: GrantFiled: December 1, 2022Date of Patent: March 26, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Juying Gan, Yunjie Lu, Yong Yang
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Publication number: 20240080655Abstract: Apparatuses and methods for DDD status event handling with I-SMF improvement. In one embodiment, a session management function, SMF, node is provided. The SMF node includes processing circuitry configured to receive a subscription request to an event associated with the SMF node where the subscription request includes at least one of a packet detection rule, PDR, information and a Traffic Descriptor, and instruct a user plane function, UPF, node based at least on the subscription request.Type: ApplicationFiled: January 21, 2022Publication date: March 7, 2024Inventors: Qian CHEN, Yunjie LU, Juying GAN
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Patent number: 11924301Abstract: The present disclosure provides a method in a network node implementing a Service Communication Proxy, SCP, function. The method includes: receiving, from a first Network Function, NF, a request destined to a second NF, wherein the request comprises information on the second NF; redirecting the request to a third NF, wherein the redirected request comprises information on the third NF; and transmitting a response to the first NF, wherein the response comprises the information on the third NF.Type: GrantFiled: December 7, 2020Date of Patent: March 5, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yunjie Lu, Yong Yang
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Publication number: 20240073095Abstract: A method in a first Network Function (NF). The method includes: transmitting, to a second NF, a message containing a first binding indication associated with a context hosted by the first NF, the message or the first binding indication containing a parameter identifying a group of contexts.Type: ApplicationFiled: January 26, 2022Publication date: February 29, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yong YANG, Yunjie LU, Chunbo WANG
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Publication number: 20240073786Abstract: Embodiments of the present disclosure provide methods and apparatuses for service handling. A method performed by at a first network entity comprises send a first request targeting resource context or session context to a second network entity. The method further comprises receive a first rejection response from the second network entity or an alternative second network entity. The first rejection response includes information comprising a first parameter indicating whether the first request should be retried with the second network entity or to any other alternative second network entity and/or a second parameter indicating whether to use the alternative second network entity for a subsequent request targeting the same resource context or session context, wherein the first rejection response including information comprising the second parameter is received from the alternative second network entity.Type: ApplicationFiled: June 22, 2022Publication date: February 29, 2024Inventors: Yunjie Lu, Yong Yang
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Publication number: 20240064197Abstract: There is provided a method for prioritising a plurality of first NF nodes of at least one service producer. Transmission of a first message is initiated (202) towards a network repository function (NRF) node. The first message comprises information indicative of a plurality of criteria and an order of importance of the criteria. The information is for use in assigning priority information to the plurality of first NF nodes. For each first NF node, the priority information is indicative of a priority with which the first NF node is to be selected to provide a service relative to at least one other first NF node of the plurality of first NF nodes and the priority information is assigned based on one or more criteria of the criteria that the first NF node meets and the position of the one or more criteria in the order of importance of the criteria.Type: ApplicationFiled: January 14, 2022Publication date: February 22, 2024Inventors: Maria Cruz Bartolome Rodrigo, Xin Yu Zhang, Yunjie Lu, Emiliano Merino Vazquez
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Patent number: 11909775Abstract: Methods and apparatuses are disclosed for enhancement to an internet protocol (IP) multimedia subsystem (IMS). According to an embodiment, an application server (AS) of the IMS receives from a terminal device a first request for initiating a call service and an internet service which are to be integrated with each other. The AS of the IMS sends a second request for initiating the internet service to a gateway server that acts as a gateway to an internet AS capable of providing the internet service. In response to a reply from the gateway server, the AS of the IMS handles the first request based on the reply.Type: GrantFiled: November 16, 2022Date of Patent: February 20, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Min Sun, Fang Li, Yunjie Lu
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Patent number: 11902838Abstract: Methods and systems for transferring monitoring event information during a mobility procedure are provided. According to one aspect, a method for transferring monitoring event information during a mobility procedure comprises, at a first network node: receiving and storing subscription information indicating that a second network node has subscribed to get notification when there is a data delivery failure involving a User Equipment (UE), followed by the UE becoming reachable; detecting a data delivery failure involving the UE, and setting a flag to indicate that a data delivery failure involving the UE has occurred; receiving, from a third network node, a mobility related request; sending, to the third network node, a response to the mobility related request, comprising an indication that the third network node should notify the second network node when the UE becomes reachable and/or when then UE enters the IDLE state.Type: GrantFiled: March 23, 2020Date of Patent: February 13, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yong Yang, Wenliang Xu, Yunjie Lu
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Publication number: 20240022996Abstract: The present disclosure provides methods, entities and computer readable storage media for routing path discovery. The method at a first entity includes: transmitting, to a second entity, a request message for aggregated routing related information; and receiving, from the second entity, a response message comprising the aggregated routing related information.Type: ApplicationFiled: October 22, 2020Publication date: January 18, 2024Inventors: Yunjie Lu, Magnus Hallenstål, Maria Cruz Bartolome Rodrigo, Aldo Bolle
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Patent number: 11877351Abstract: Disclosed herein is a method by an AMF node 120-4 operative in a 5GS that comprises a UE 112 associated with a Subscriber Permanent Identifier (SUPI) that is associated with subscription data of the UE. The method comprises: sending towards a SMF node, a request relating to a PDU Session of the UE and comprising a Request Type that is set to Existing PDU Session; and receiving from the SMF node, a response comprising a Generic Public Subscription Identifier (GPSI) of the PDU session, which GPSI is associated with the SUPI and which GPSI is to be used in networks outside the 5GS for addressing the subscription data of the UE.Type: GrantFiled: September 16, 2022Date of Patent: January 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yong Yang, Yunjie Lu
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Patent number: 11864030Abstract: Methods, apparatus and computer program products for binding information management. A method implemented at a policy control node in a wireless communication network comprises: obtaining information indicating a collocated deployment of a session management node and a binding support node (202); and inhibiting, in response to the information, a registration of binding information to the binding support node (204). A policy control node can know that a binding support node is collocated with a session management node, and no registration of binding information to the binding support node will be triggered for the policy control node.Type: GrantFiled: November 13, 2019Date of Patent: January 2, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Wu Wang, Yunjie Lu, Jinyin Zhu, Zhansheng Wei
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Publication number: 20230388268Abstract: A method for a user equipment (UE) service management network element in a communication network, comprising: receiving a first request, and in response to determining that the first request is to request the UE service management network element to be an intermediate UE service management network element for a service of a UE, sending a second request to another UE service management network element indicated in the first request, and receiving a response corresponding to the second request, wherein the response comprises Internet Protocol (IP) address information of the UE.Type: ApplicationFiled: June 22, 2021Publication date: November 30, 2023Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yunjie LU, Wenliang XU