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公开(公告)号：US20230397007A1
公开(公告)日：2023-12-07
申请号：US18030060
申请日：2021-08-18
IPC分类号： H04W12/069 , H04W12/0433 , H04W12/08
CPC分类号： H04W12/069 , H04W12/0433 , H04W12/08
摘要： A communication device establishes a secure connection in a wireless communication network. The communication device communicates a request to use a communication service provided by the wireless communication network, the request including an indication that the communication device can support the requested communication service and an Authentication and Key Management for Applications (AKMA) service provided by the wireless communication network. Responsive to communicating the request, the communication device receives a communication comprising information that indicates whether the requested communication service and the AKMA service can be provided to the communication device to establish the secure connection in the wireless communication network.
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公开(公告)号：US20220338079A1
公开(公告)日：2022-10-20
申请号：US17634614
申请日：2020-08-14
发明人： Monica Wifvesson , Vlasios Tsiatsis , Peter Hedman
摘要： In a wireless communication network implementing network slicing (NS), an Initial Access and Mobility Management Function (AMF) for a user equipment (UE) in one NS is able to re-allocate a UE to a Target AMF in a different NS, despite not being able to directly communicate with the Target AMF due to NS security restrictions. In a first embodiment, the Initial AMF transfers the UE context—including its security context—to a Default AMF. The Default AMF has the capability to communicate with network functions in different NSes. The Default AMF transfers the UE context to the Target AMF. In a second embodiment, a security key Kamf′ is horizontally derived in a manner that avoids NS security conflicts. The derived key is transferred to the UE and Target AMF, which establish a security context. In a third embodiment, the Initial AMF allocates a Token, and transfers it, along with the UE security context (directly or via RAN) to the Default AMF. The Default AMF then transfers the security context to the Target AMF.
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公开(公告)号：US20220256337A1
公开(公告)日：2022-08-11
申请号：US17618212
申请日：2020-05-20
IPC分类号： H04W12/037 , H04W48/08 , H04L9/30
摘要： The embodiments herein relate to a method performed by a UE (103) for handling SI. The UE obtains one or multiple public keys for SI signature verification. Each of the one or multiple public keys is associated with a validity area of an access network where the public key is valid. The UE obtains a SI together with a SI signature from a network node (101) covering a cell. The SI comprises area identification information. The UE determines (103), based on the area identification information comprised in the SI, the validity area that the cell belongs to and the corresponding public key. The UE (103) verifies the SI signature using the determined corresponding public key.
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公开(公告)号：US20220124488A1
公开(公告)日：2022-04-21
申请号：US17424057
申请日：2020-01-21
IPC分类号： H04W12/033 , H04L9/40 , H04W12/76 , H04W4/08 , H04W76/40
摘要： A network node (26, 400) is configured for use in a wireless communication network (10). The network node (26, 400) receives a request to establish a session (14-1) for a device (12-1) in a group (18), e.g., a 5G Local Area Network group (18). The network node (26, 400) determines a user plane security policy (24-1) for the session (!4-1), based on a user plane security policy (28) for the group (18). The user plane security policy (28) for the group (18) may specify a policy for securing a user plane path of a session for any device in the group (18). The network node (26, 400) may then transmit, to an access node of the wireless communication network (10), control signaling indicating the determined user plane security policy (24-1).
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公开(公告)号：US11265790B2
公开(公告)日：2022-03-01
申请号：US16475808
申请日：2017-01-24
发明人： Ioanna Pappa , Elena Fersman , Athanasios Karapantelakis , Ricardo Souza , Maxim Teslenko , Vlasios Tsiatsis , Keven Wang
摘要： A method performed by a serving network node for handover of a communication device to a target network node is provided. The method includes determining, based on content of an Information Centric Networking, ICN, request, a need for handover, and initiating, in response to the determining, a handover of the communication device to the target network node. A method performed by a network entity is also provided. A network node, network entity, computer programs and computer program products are also provided.
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公开(公告)号：US10680940B2
公开(公告)日：2020-06-09
申请号：US15758458
申请日：2015-09-10
IPC分类号： H04L12/721 , H04L12/715 , H04L12/717 , H04L12/24
摘要： Optimized complex event processing in a software-defined network is provided. A computing device receives a rule that identifies a source device and an event notification condition. A network inventory structure that identifies a plurality of nodes in the network and corresponding processing capabilities is accessed. A particular datapath node of the plurality of nodes is identified. A packet flow window criterion and a packet operation are determined based on the event notification condition. A particular virtual network function (VNF) of a plurality of VNFs is identified based on the rule. A controller node datapath configuration command that comprises a source device identifier that identifies the source device, the packet flow window criterion, the packet operation, and a VNF identifier that identifies the particular VNF is generated. The controller node datapath configuration command is sent to a controller node of the plurality of nodes.
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公开(公告)号：US20190109884A1
公开(公告)日：2019-04-11
申请号：US16090870
申请日：2016-05-12
发明人： Athanasios Karapantelakis , Craig Donovan , Maxim Teslenko , Vlasios Tsiatsis , Aneta Vulgarakis Feljan , Keven Wang
摘要： There is provided mechanisms for controlling media transcoding of a media session between at least two media transceiver devices. The method is performed by a network node. The method comprises obtaining, from at least one of the media transceiver devices, an indication of current allocation of energy for performing playback of the media session in the at least one of the media transceiver devices. The method comprises controlling transcoding of the media session according to the current allocation of energy of the at least one media transceiver device. The transcoding comprises either conversion from a first media format to a second media format of same media type, or conversion from a first media type to a second media type.
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公开(公告)号：US10104607B2
公开(公告)日：2018-10-16
申请号：US15116899
申请日：2014-02-21
发明人： Joachim Sachs , Ari Keränen , Johan Rune , Anders E. Eriksson , Francesco Militano , Nicklas Beijar , Vlasios Tsiatsis
摘要： The disclosure relates to a method for selecting a capillary network gateway for a machine device of a capillary network. The method comprises: acquiring a respective bearer service parameter for two or more capillary network gateways of the capillary network, each capillary network gateway being capable of data exchange between the machine device and a wireless network, and wherein the bearer service provides a backhaul connection in the wireless network; and selecting, for the machine device, a capillary network gateway based on the bearer service parameters. The disclosure relates to a corresponding node, computer program and computer program product.
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公开(公告)号：US20230054571A1
公开(公告)日：2023-02-23
申请号：US17799960
申请日：2021-02-10
IPC分类号： H04L9/40 , H04W12/043
摘要： A method performed by a first network node includes transmitting a first subscription request message indicating a request to subscribe to receive notification of changes in an authentication status of a wireless device. A first notification message is received. The first notification message includes an indication of a change in the authentication status of the wireless device.
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公开(公告)号：US11166178B2
公开(公告)日：2021-11-02
申请号：US15316947
申请日：2014-06-18
发明人： Elena Fersman , Jing Fu , Hongxin Liang , Vlasios Tsiatsis
摘要： Methods and devices for maintaining a device-operated function. A first device initially operates as an active master with responsibility to execute the device-operated function by automatically performing one or more operation tasks according to certain operational parameters and gaining knowledge when performing the operation tasks. Meanwhile, a second device is acting as a passive standby device. When the first device cannot or should not operate as the active master anymore, e.g. due to low battery, the responsibility is transferred to the second device by transferring the operational parameters and the knowledge from the first device to the second device. Then, the second device operates as the active master with responsibility to execute the device-operated function according to the operational parameters and using the knowledge if required.
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