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公开(公告)号：US20240341009A1
公开(公告)日：2024-10-10
申请号：US18743199
申请日：2024-06-14
发明人： Attila Mihály , Magnus Hallenstål , Magnus Olsson
摘要： A network provides PDU sessions between wireless devices and data networks. UPFs in the network handle the user planes of these PDU sessions, while SMFs in the network manage the PDU sessions. The SMFs have dedicated interfaces for signaling sessions to the UPFs. In the occasion that managing of a PDU session has to be transferred from one SMF to another SMF, the first SMF has to release the signalling session with the UPF for the PDU session, and a second SMF has to re-establish the signaling session with the UPF for the same PDU session. To avoid that during the transfer of the management responsibility transfer the wireless device experiences a hick-up in the PDU session the first SMS includes a control element in the release message to the UPF, indicating to the UPF that the signaling session for the PDU session will be re-established by a second SMF, and that the UPF shall continue the handling of the PDU session till re-establishment.
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公开(公告)号：US11924294B2
公开(公告)日：2024-03-05
申请号：US18015185
申请日：2021-06-25
IPC分类号： H04L67/51 , H04L67/562
CPC分类号： H04L67/51 , H04L67/562
摘要： There is provided a method for handling a service request. The method is performed by a first service communication proxy (SCP) node. In response to receiving a first request from a first Network Function (NF) node for a further NF node to provide a first service, the first SCP node selects (102) a second NF node to provide the first service and stores (104) an identifier of the second NF node. The first SCP node also initiates transmission (106) towards the second NF node of the first request. In response to receiving, from the second NF node, a first response, the first SCP node stores (108) location information of the second NF node. The location information of the second NF node is stored in association with the identifier of the second NF node. The first SCP node also initiates transmission (110) of the first response towards the first NF node.
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公开(公告)号：US20230283470A1
公开(公告)日：2023-09-07
申请号：US18018937
申请日：2021-06-25
IPC分类号： H04L9/32
CPC分类号： H04L9/32
摘要： Methods for handling a service request are provided. A method allows a network function node of a service consumer to connect to a NF node of a service producer via a Service Communication Proxy node. The method comprises initiating transmission (202) to the SCP node of a first request. The first request comprises discovery parameters and access token request parameters that facilitate obtaining and storing of an access token by the SCP node. The discovery parameters facilitate selection of a second NF node of a service producer to provide the first service and forwarding the request to the second NF node. The method comprises receiving (206) a response from the second NF node, and initiating transmission (208) of a second request to the SCP node that is a subsequent request for the second NF node to provide the first service. The second request comprises the access token request parameters.
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公开(公告)号：US20220272622A1
公开(公告)日：2022-08-25
申请号：US17635741
申请日：2020-08-10
摘要： Systems and methods related to a bootstrapping service for a network function (NF) in a core network of a cellular communications system are disclosed. In one embodiment, a method performed by a first NF in a core network of a cellular communications system comprises receiving, from a second NF, a request for services exposed by the first NF. The method further comprises, responsive to receiving the request, sending, to the second NF, information about one or more services exposed by the first NF. In one embodiment, the information about one or more services exposed by the first NF includes Application Programming Interface (API) versions of the one or more services. In this manner, flexibility is provided in the network since there is no need for static configuration of service parameters.
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公开(公告)号：US11297113B2
公开(公告)日：2022-04-05
申请号：US16769838
申请日：2017-12-21
发明人： Magnus Hallenstål
IPC分类号： H04L29/06 , H04L65/1073 , H04W12/72 , H04W12/75 , H04L65/10 , H04L65/1016 , H04W8/04 , H04W8/18 , H04W12/02 , H04W84/04
摘要： A method of registering a subscriber in an IP Multimedia Subsystem (IMS), said subscriber being associated with an IMS Private User Identity (IMPI) and an IMS Public User Identity (IMPU) and further being associated with a 4G or 5G conforming User Equipment (UE). The method comprises: at the UE, generating a Temporary IMS Private User Identity (TIMPI) and a Temporary IMS Public User Identity (TIMPU) from a Globally Unique Temporary Identifier (GUTI) allocated by and received from a 4G or G network to temporarily identify the UE; sending an IMS registration request containing the TIMPI and the TIMPU from the UE to the IMS; at the IMS, using the TIMPI and the TIMPU to determine the GUTI, and communicating with the 4G or 5G network to determine, using the GUTI, an International Mobile Subscriber Identifier (IMSI) associated with the UE; at the IMS, using the IMSI to determine said IMPI and IMPU; and completing IMS registration of the subscriber using the IMPI and the IMPU.
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公开(公告)号：US10749911B2
公开(公告)日：2020-08-18
申请号：US15941049
申请日：2018-03-30
发明人： Magnus Hallenstål , Jan Holm
摘要： A telecommunications network has a packet switched domain for handling packet based calls and a circuit switched telephony domain for handling circuit switched calls. A node of the packet switched telephony domain decides whether to terminate a call to a user equipment using a packet based connection to the user equipment or using a circuit switched connection to the user equipment. In response to deciding to terminate the call using the circuit switched connection, the node sends, to a further node controlling routing of calls between the packet switched telephony domain and the circuit switched telephony domain, an indication that services related to the call are controlled in the packet switched telephony domain. In accordance with the indication, the further node may then adapt its control signalling with respect to a node of the circuit switched telephony domain.
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公开(公告)号：US10027719B2
公开(公告)日：2018-07-17
申请号：US15324345
申请日：2014-07-07
发明人： Håkan Österlund , Afshin Abtin , Magnus Hallenstål
IPC分类号： H04W4/00 , H04L29/06 , H04W36/00 , H04W36/08 , H04W36/18 , H04W36/36 , H04W36/14 , H04W80/04
摘要： One aspect includes a method of operating a user terminal adapted for wireless telecommunications using any of a plurality of different radio access technologies including a Circuit Switched, CS, access and a Packet Switched, PS access. The PS access includes access via a Long Term Evolution, LTE, network and WiFi access via a Wireless Local Area Network, WLAN. The method includes: (i) making a determination to switch from a PS LTE access to a WiFi access, (ii) switching to WiFi access, and (iii) ignoring or rejecting a command received to hand over to a CS access. Other aspects include a user terminal, a telecommunications network entity, and a method of operating a telecommunications network entity.
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公开(公告)号：US20230319571A1
公开(公告)日：2023-10-05
申请号：US18022856
申请日：2021-08-17
IPC分类号： H04W12/106 , H04W12/06
CPC分类号： H04W12/106 , H04W12/068
摘要： Network equipment implements a network function in a wireless communication network. The network equipment obtains integrity verification information that is a function of only a portion of a message. The message is either a request for a service to be consumed by the network function or a response to a request for a service provided by the network function. The network equipment digitally signs an assertion that includes the integrity verification information, and then sends the message and the digitally signed assertion to a service communication proxy. Other network equipment that receives the message and the digitally signed assertion may check an integrity of the portion of the message, based on integrity verification information that the other network equipment obtains and on the integrity verification information included in the digitally signed assertion.
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公开(公告)号：US20170019773A1
公开(公告)日：2017-01-19
申请号：US15215745
申请日：2016-07-21
发明人： Jari Vikberg , Andreas Witzel , Magnus Hallenstål , Magnus Olsson , Gunnar Mildh
CPC分类号： H04W4/14 , H04J11/00 , H04W36/0022 , H04W40/005 , H04W68/005 , H04W72/042 , H04W88/14 , H04W88/16 , H04W92/045
摘要： A method and apparatus for providing both Mobile Terminated, MT, and Mobile Originated, MO, circuit switched (CS) services such as Short Message Service, SMS, services in networks utilizing CS Fallback and CSoLTE-I architectures. An extended SGs interface referred to as SGs+ is implemented between a Mobility Management Entity, MME, in an SAE core network and a Mobile Switching Center Server, MSC-S. The SGs+ interface supports transmission of upper layer CS packet data units while utilizing either connectionless or connection-oriented Signaling Connection Control Part, SCCP, operation. The non access stratum, NAS, signaling support between the User Equipment, UE, and the MME is extended to provide support for both MT SMS and MO SMS service.
摘要翻译： 一种在使用CS Fallback和CSoLTE-I架构的网络中提供移动终端，MT和移动发起的MO，电路交换（CS）服务（诸如短消息服务，SMS）服务的方法和装置。 在SAE核心网络中的移动性管理实体MME，移动交换中心服务器MSC-S之间实现被称为SG +的扩展SG接口。 SGs +接口支持传输上层CS分组数据单元，同时利用无连接或面向连接的信令连接控制部分SCCP，操作。 扩展了用户设备，UE和MME之间的非接入层NAS，信令支持，为MT SMS和MO SMS服务提供支持。
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公开(公告)号：US20230254381A1
公开(公告)日：2023-08-10
申请号：US18015185
申请日：2021-06-25
IPC分类号： H04L67/51 , H04L67/562
CPC分类号： H04L67/51 , H04L67/562
摘要： There is provided a method for handling a service request. The method is performed by a first service communication proxy (SCP) node. In response to receiving a first request from a first Network Function (NF) node for a further NF node to provide a first service, the first SCP node selects (102) a second NF node to provide the first service and stores (104) an identifier of the second NF node. The first SCP node also initiates transmission (106) towards the second NF node of the first request. In response to receiving, from the second NF node, a first response, the first SCP node stores (108) location information of the second NF node. The location information of the second NF node is stored in association with the identifier of the second NF node. The first SCP node also initiates transmission (110) of the first response towards the first NF node.
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