WO2025210232A1 - Appareil, procédé et programme informatique pour commuter un équipement utilisateur entre des réseaux d'accès - Google Patents

Appareil, procédé et programme informatique pour commuter un équipement utilisateur entre des réseaux d'accès

Info

Publication number
WO2025210232A1
WO2025210232A1 PCT/EP2025/059296 EP2025059296W WO2025210232A1 WO 2025210232 A1 WO2025210232 A1 WO 2025210232A1 EP 2025059296 W EP2025059296 W EP 2025059296W WO 2025210232 A1 WO2025210232 A1 WO 2025210232A1
Authority
WO
WIPO (PCT)
Prior art keywords
access network
transmit
user data
receive user
user equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2025/059296
Other languages
English (en)
Inventor
Ville Petteri PÖYHÖNEN
Bruno Landais
Pallab Gupta
Mohamed Amin Nassar
Janne Einari TUONONEN
Laurent Thiébaut
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of WO2025210232A1 publication Critical patent/WO2025210232A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/005—Multiple registrations, e.g. multihoming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the communication system and associated entities typically operate in accordance with a given standard(s) or specification(s) which set forth what the associated entities are permitted to do and how that should be achieved. Communication protocols and/or parameters which shall be used for the connection are also typically defined. Examples of standard(s) include the so-called 5G standards.
  • a method comprising: registering, by a user equipment, to a first access network and a second access network; and following a decision to switch from using the first access network to using the second access network to at least one of transmit or receive user data, using, by the user equipment, the second access network to at least one of transmit or receive user data.
  • the method may comprise: deciding, by the user equipment, to switch from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Deciding, by the user equipment, to switch from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: deciding, by the user equipment, to switch from using the first access network to using the second access network to at least one of transmit or receive user data based on at least one of rules or capabilities of the user equipment.
  • the method may comprise: transmitting, by the user equipment, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a user plane function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment to a user plane function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a user plane function via a performance measurement functionality protocol message or signaling, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment to a session management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a session management function via a non access stratum session management signaling message, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • the method may comprise: receiving, by the user equipment, updated rules to use the second access network to at least one of transmit or receive user data; and using, by the user equipment, the second access network to at least one of transmit or receive user data may comprise: using, by the user equipment, the second access network to at least one of transmit or receive user data based on the updated rules.
  • Transmitting, by the user equipment to an access and mobility management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to an access and mobility management function via mobility management signaling, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a session management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • T ransmitting, by the user equipment to a session management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a session management function via a session management signaling message, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to the first access network or the second access network, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • the information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may be conveyed via a flag.
  • the method may comprise: transmitting, by the user equipment, information indicating one of a plurality of options for switching from using the first access network to the second access network to at least one of transmit or receive user data.
  • the first access network may comprise a cellular access network and the second access network may comprise a cellular access network.
  • a cellular access network may comprise at least one of a 4G, 5G or 6G access network.
  • the user equipment may be a dual steer device.
  • Registering to the first access network may use a first subscriber permanent identifier or international mobile subscription identity and registering to the second access network may use a second subscriber permanent identifier or international mobile subscription identity.
  • the user equipment may comprise: means for deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Means for deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data based on at least one of rules or capabilities of the user equipment.
  • Means for transmitting a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to a user plane function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Means for transmitting, to a user plane function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to a user plane function via a performance measurement functionality protocol message or signaling, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Means for transmitting, to a session management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to a session management function via a non access stratum session management signaling message, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Means for transmitting a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to an access and mobility management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Means for transmitting, by the user equipment to an access and mobility management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to an access and mobility management function via a mobility management signaling message, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • the user equipment may comprise: means for receiving updated rules to use the second access network to at least one of transmit or receive user data; and means for using the second access network to at least one of transmit or receive user data may comprise: means for using the second access network to at least one of transmit or receive user data based on the updated rules.
  • the user equipment may comprise: means for receiving a notification to use the second access network to at least one of transmit or receive user data; and means for using the second access network to at least one of transmit or receive user data may comprise: means for using the second access network to at least one of transmit or receive user data based on the notification.
  • the user equipment may comprise: means for transmitting information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Means for transmitting information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to an access and mobility management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Means for transmitting, to an access and mobility management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to an access and mobility management function via mobility management signaling, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Means for transmitting information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to a session management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Means for transmitting, to a session management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to a session management function via a session management signaling message, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • a cellular access network may comprise at least one of a 4G, 5G or 6G access network.
  • a method comprising: registering, by a user equipment, to a first access network and a second access network; transmitting, by the user equipment, information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data; deciding, by the user equipment, to switch from using the first access network to using the second access network to at least one of transmit or receive user data; and using, by the user equipment, the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a user plane function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a session management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment to a session management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a session management function via a non access stratum session management signaling message, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to an access and mobility management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment to an access and mobility management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to an access and mobility management function via a mobility management signaling, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data
  • the method may comprise: receiving, by the user equipment, updated rules to use the second access network to at least one of transmit or receive user data; and using, by the user equipment, the second access network to at least one of transmit or receive user data may comprise: using, by the user equipment, the second access network to at least one of transmit or receive user data based on the updated rules.
  • the method may comprise: receiving, by the user equipment, a notification to use the second access network to at least one of transmit or receive user data; and using, by the user equipment, the second access network to at least one of transmit or receive user data may comprise: using, by the user equipment, the second access network to at least one of transmit or receive user data based on the notification.
  • Transmitting, by the user equipment, information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to an access and mobility management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment to an access and mobility management function, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to an access and mobility management function via mobility management signaling message, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a session management function, information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • T ransmitting, by the user equipment to a session management function, information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to a session management function via a session management signaling message, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • Transmitting, by the user equipment, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data may comprise: transmitting, by the user equipment to the first access network or the second access network, information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • the information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data is conveyed via a flag.
  • the method may comprise: transmitting, by the user equipment, information indicating one of a plurality of options for switching from using the first access network to the second access network to at least one of transmit or receive user data.
  • the first access network comprises a cellular access network and the second access network comprises a cellular access network.
  • a cellular access network may comprise one of a 4G, 5G or 6G access network.
  • the user equipment may be a dual steer device.
  • Registering to the first access network may use a first subscriber permanent identifier or international mobile subscription identity and registering to the second access network may use a second subscriber permanent identifier or international mobile subscription identity.
  • a user equipment comprising: means for registering to a first access network and a second access network; means for transmitting information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data; means for deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data; and means for using the second access network to at least one of transmit or receive user data.
  • Means for deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data based on at least one of rules or capabilities of the user equipment.
  • the user equipment may comprise: means for transmitting a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • Means for transmitting, to a session management function, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data may comprise: means for transmitting, to a session management function via a non access stratum session management signaling message, a notification to perform the switching from using the first access network to using the second access network to at least one of transmit or receive user data.
  • the user equipment may comprise: means for transmitting information indicating one of a plurality of options for switching from using the first access network to the second access network to at least one of transmit or receive user data.
  • the first access network comprises a cellular access network and the second access network comprises a cellular access network.
  • a cellular access network may comprise one of a 4G, 5G or 6G access network.
  • the user equipment may be a dual steer device.
  • Means for registering to the first access network may use a first subscriber permanent identifier or international mobile subscription identity and registering to the second access network may use a second subscriber permanent identifier or international mobile subscription identity.
  • a user equipment comprising circuitry configured to perform: registering to a first access network and a second access network; transmitting information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data; deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data; and using the second access network to at least one of transmit or receive user data.
  • a user equipment comprising at least one processor and at least one memory storing instructions that, when executed by the at least one processor, cause the UE at least to perform: registering to a first access network and a second access network; transmitting information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data; deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data; and using the second access network to at least one of transmit or receive user data.
  • a computer program comprising computer executable code which when run on at least one processor is configured to perform: registering to a first access network and a second access network; transmitting information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data; deciding to switch from using the first access network to using the second access network to at least one of transmit or receive user data; and using the second access network to at least one of transmit or receive user data.
  • a computer readable medium comprising program instructions stored thereon for performing at least one of the above methods.
  • a non-transitory computer readable medium comprising program instructions stored thereon for performing at least one of the above methods.
  • non-volatile tangible memory medium comprising program instructions stored thereon for performing at least one of the above methods.
  • ATSSS Access Traffic Steering, Switching and Splitting
  • ALISF Authentication Server Function
  • CU Centralized Unit
  • DU Distributed Unit
  • gNB gNodeB
  • IMSI International Mobile Subscriber Identifier
  • NEF Network Exposure Function
  • PLMN Public Land Mobile Network
  • RAM Random Access Memory
  • RAN Radio Access Network
  • Fig. 2 shows a schematic representation of a control apparatus
  • Fig.4 shows a schematic representation of a user equipment registered to a first access network and to a second access network
  • Fig. 5a and Fig. 5b show a signalling diagram of a process for managing a user equipment in a communication system according to a first option
  • Fig. 6a and Fig. 6b show a signalling diagram of a process for managing a user equipment in a communication system according to a second option
  • Fig. 7 shows a signalling diagram of a process for managing a user equipment in a communication system according to a third option
  • Fig. 8 shows a block diagram of a method for managing a user equipment in a communication system
  • Fig. 9 shows a block diagram of a method for managing a user equipment in a communication system.
  • Fig. 10 shows a schematic representation of a non-volatile memory medium storing instructions which when executed by a processor enable, allow, or otherwise facilitate a processor to perform one or more of the steps of the methods of Fig. 8 and Fig. 9.
  • Fig. 1 shows a schematic representation of a communication system.
  • the communication system may comprise a user equipment (UE), a 5G system (5GS), an application function (AF) and a data network (DN).
  • UE user equipment
  • 5GS 5G system
  • AF application function
  • DN data network
  • the 5GS may comprise multiple public land mobile networks (PLMNs). Each PLMN may comprise a 5G radio access network (5G RAN) and a 5G core network (5GC).
  • 5G RAN 5G radio access network
  • 5GC 5G core network
  • the 5G RAN may comprise one or more base stations.
  • a base station may be a gNodeB (gNB).
  • gNB may comprise gNB distributed units (gNB-DUs) connected to one or more gNB centralized units (gNB-CUs).
  • gNB-DUs gNB distributed units
  • gNB-CUs gNB centralized units
  • the 5GC may comprise one or more of an authentication server function (ALISF), a user data management (UDM), a network exposure function (NEF), an access and mobility management function (AMF), a session management function (SMF) and a user plane function (UPF).
  • the 5GC may comprise a policy control function (PCF) (not represented).
  • Fig. 2 illustrates an example of a control apparatus 200 for controlling a function of the RAN illustrated in Fig. 1.
  • the control apparatus 200 may comprise at least one random access memory (RAM) 211a, at least on read only memory (ROM) 211 b, at least one processor 212, 213 and an input/output interface 214.
  • the at least one processor 212, 213 may be coupled to the RAM 211a and the ROM 211b.
  • the at least one processor 212, 213 may be configured to execute an appropriate software code 215.
  • the software code 215 may, for example, enable, allow, or otherwise facilitate to perform one or more steps to perform one or more of the embodiments (or aspects thereof) described in this disclosure.
  • the software code 215 may be stored in the ROM 211 b.
  • the control apparatus 200 may be interconnected with another control apparatus 200 controlling another function of the 5G RAN or the 5GC.
  • each RAN comprises a control apparatus 200.
  • two or more RANs may share a control apparatus.
  • Fig. 3 illustrates an example of a UE 300, such as the UE illustrated on Fig. 1.
  • the UE 300 is a communication device that is capable of (or configured for) sending and receiving radio signals.
  • Non-limiting and illustrative examples comprise a mobile station (MS) or mobile device, such as a mobile phone or what is known as a ’smart phone’, a computer provided with a wireless interface card or other wireless interface facility (e.g., USB dongle), a personal data assistant (PDA) or a tablet provided with wireless communication capabilities, a machinetype communications (MTC) device, a Cellular Internet of Things (CloT) device or any combinations of these or the like.
  • the UE 300 may provide, for example, communication of data for carrying communications.
  • the communications may be one or more of voice, electronic mail (email), text message, multimedia, data, machine data and so on.
  • the UE 300 may receive signals over an air or radio interface 307 via appropriate apparatus for receiving and may transmit signals via appropriate apparatus for transmitting radio signals.
  • transceiver apparatus is designated schematically by block 306.
  • the transceiver apparatus 306 may be provided for example by means of a radio part and associated antenna arrangement.
  • the antenna arrangement may be arranged internally and/or externally to the mobile device.
  • the UE 300 may comprise at least one processor 301 , at least one memory ROM 302a, at least one RAM 302b and other possible components 303 for use in software and hardware aided execution of tasks it is designed to perform, including control of access to and communications with access systems and other communication devices.
  • the at least one processor 301 is coupled to the RAM 302b and the ROM 302a.
  • the at least one processor 301 may be configured to execute an appropriate software code 308.
  • the software code 308 may, for example, enable, allow, or otherwise facilitate to perform one or more of the embodiments (or aspects thereof) described in this disclosure.
  • the software code 308 may be stored in the ROM 302a.
  • the processor, storage and other relevant control apparatus can be provided on an appropriate circuit board and/or in chipsets. This feature is denoted by reference 304.
  • the device may optionally have a user interface, such as keypad 305, touch sensitive screen or pad, combinations thereof or the like.
  • a user interface such as keypad 305, touch sensitive screen or pad, combinations thereof or the like.
  • one or more of a display, a speaker and/or a microphone may be provided depending on the type of the device.
  • various embodiments of this disclosure relate to a method, an apparatus and a computer program for a communication system, and in particular - but not exclusively - a method, an apparatus and a computer program for managing a user equipment a communication system.
  • a UE may refer to a dual steer device and therefore may refer to a single UE (i.e. , single apparatus) hosting two subscriptions or may refer to two UEs (i.e., two apparatuses) where each of the UEs host a separate subscription.
  • Fig. 4 shows schematic representation of a UE.
  • the UE may host separate universal subscriber identity module (USIM) cards referred to as UE1 and UE2. In this manner, the UE may host separate subscriptions.
  • the UE may comprise a dual steer layer configured to control a dual steer functionality of UE1 and UE2.
  • the UE may have a first subscription permanent identifier (SUPI) or a first international mobile subscriber identity (I MSI).
  • the UE may be registered to a first access network based on the first SUPI or the first IMSI.
  • the first access network may be a first cellular access network (e.g., 5G RAN).
  • the UE may establish one or more first packet data unit (PDU) sessions with a core network (e.g., 5GC) to transmit and/or receive user data over the first access network.
  • the UE may have a second SlIPI or a second I MSI.
  • the UE may be registered to a second access network based on the second SLIPI or the second I MSI.
  • the second access network may be a second cellular access network (e.g., 5G RAN).
  • the UE may establish one or more second PDU sessions with the core network (e.g., 5GC) to transmit and/or receive user data over the second access network.
  • the UE may decide to switch from using the first access network to using the second access network for transmission and/or reception of user data.
  • the UE may not wait for a confirmation from the core network to use the second access network for transmission and/or reception of user data.
  • the UE may decide to switch from using the first access network to using the second access network to transmit and/or receive user data.
  • the decision may be based on the rules stored at the UE and/or capabilities of the UE.
  • the UE may transmit and/or receive user data (e.g., via the one or more second sessions) over the second access network.
  • the UE may transmit, to the core network, a notification to perform the switching (i.e., the switch) from using the first access network to using the second access network to transmit and/or receive user data.
  • the UE may transmit, to the UPF, the notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the notification may be transmitted via a performance measurement functionality protocol signaling message.
  • the performance measurement functionality protocol may run over the user plane of each of the second PDU session.
  • the UPF may generate updated rules to be used by the UPF.
  • the updated rules may be set to transmit and/or receive user data over the second access network.
  • the UPF may transmit, to the SMF, a notification related with UPF performing the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the SMF may use this information to notify network functions, such as a policy control function (PCF) or a charging function (CF).
  • PCF policy control function
  • CF charging function
  • the CHF may store in a charging data record (CDR) that now traffic is exchanged over the second access network (in relationship with the second SUPI or second IMSI of the UE).
  • CDR charging data record
  • the UE may transmit, to one or more SMF, the notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the notification may be transmitted via a non- access stratum session management signaling message (e.g., PDU session modification signaling message).
  • the SMF may generate updated rules to be used by the UPF.
  • the updated rules may be configured to transmit and/or receive user data over the second access network.
  • the UE may transmit, to the AMF, the notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the notification may be transmitted via a mobility management signaling message (e.g., mobility registration signaling message).
  • the AMF may find out (e.g., discover) one or more SMF affected by the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the one or more SMF may generate updated rules to be used by the UPF.
  • the updated rules may be configured to transmit and/or receive user data over the second access network.
  • the one or more SMF may transmit, to the UPF, the updated rules.
  • the one or more SMF may transmit, to the UPF, a notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the one or more SMF may generate updated rules to be used by the UE.
  • the updated rules may be configured to transmit and/or receive user data over the second access network.
  • the one or more SMF may generate updated rules to be used by the UPF.
  • the updated rules may be configured to transmit and/or receive user data over the second access network.
  • the one or more SMF may generate a notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the one or more SMF may transmit, to the UPF, the updated rules to be used by the UPF.
  • the one or more SMF may transmit, to the UE, the updated rules to be used by the UE.
  • the SMF may transmit, to the UE, the notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the SMF may transmit, to the UPF, the notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the UE may transmit and/or receive user data (e.g., via the one or more second session) over the second access network based on the updated rules.
  • the UPF may transmit and/or receive user data (e.g., via the one or more second session) over the second access network based on the updated rules.
  • Fig. 7 shows a signalling diagram of a process for managing a UE in a communication system according to the third option.
  • the UE may register to a first access network (e.g., 3GPP access network 1).
  • the UE may establish one or more first PDU sessions (e.g., one or more PDU1) with a core network (e.g., 5GC) to transmit and/or receive user data over the first access network.
  • a first access network e.g., 3GPP access network 1
  • the UE may establish one or more first PDU sessions (e.g., one or more PDU1) with a core network (e.g., 5GC) to transmit and/or receive user data over the first access network.
  • a core network e.g., 5GC
  • the UE may register to a second access network (e.g., 3GPP access network 2).
  • the UE may establish one or more second PDU sessions (e.g., one or more PDU2) with the core network (e.g., 5GC) to transmit and/or receive user data over the second access network.
  • a second access network e.g., 3GPP access network 2
  • the UE may establish one or more second PDU sessions (e.g., one or more PDU2) with the core network (e.g., 5GC) to transmit and/or receive user data over the second access network.
  • the core network e.g., 5GC
  • the UE may not support simultaneous transmission and/or reception of user data over the first access network and the second access network.
  • simultaneous is intended to encompass both the meaning of simultaneous (e.g., “in unison with”, “in parallel,” “occurring at the same time”) as well as the meaning of concurrent (e.g., “occurring at the same time”).
  • the UE may store rules.
  • the rules may be configured to use the first access network to transmit and/or receive user data over the first access network.
  • the one or more first rules may comprise dual steer or ATSSS rules.
  • the UE may transmit and/or receive user data (e.g., via the one or more first PDU session) over the first access network based on the rules.
  • the UPF may store rules.
  • the rules may be configured to use the first access network to transmit and/or receive user data over the first access network.
  • the rules may be configured to switch from using the first access network to using the second access network to transmit and/or receive user data when at least one criterion is met (e.g., based on at least one criterion being met).
  • the criterion may, for example, comprise a state or performance of a user plane, a state or performance of the first access network and/or a state or performance of the second access network.
  • the rules may be data forwarding rules.
  • the rules may comprise N4 rules.
  • the criterion may be met only for part the user data (e.g., uplink user data or downlink user data).
  • the dual steer device may have hardware restriction (i.e. , the UE may not support simultaneous transmission and/or reception of user data over the first access network and the second access network)
  • the UPF may decide to switch from using the first access network to using the second access network to transmit even when the criterion is met only for part the user data (e.g., uplink user data or downlink user data).
  • the UPF may decide to switch from using the first access network to using the second access network to transmit and/or receive user data.
  • the decision may be based on the rules stored at the UPF and/or network policies.
  • the UPF may transmit, to one or more SMF, a notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the one or more SMF may generate updated rules to be used by the UE.
  • the updated rules may be configured to transmit and/or receive user data over the second access network.
  • the one or more SMF may generate updated rules to used by the UPF.
  • the updated rules may be configured to transmit and/or receive user data over the second access network.
  • the one or more SMF may generate a notification to perform the switching from using the first access network to using the second access network to transmit and/or receive user data.
  • the one or more SMF may transmit, to the UPF, the updated rules to be used by the UPF.
  • the one or more SMF may transmit, to the UE, the updated rules to be used by the UE.
  • the UE may transmit, to the core network, information indicating a capability or an incapability to simultaneously use the first access network and the second access network to transmit and/or receive user data.
  • the UE may transmit, to the AMF, the information indicating a capability or an incapability to simultaneously use the first access network and the second access network to transmit and/or receive user data.
  • the information may be transmitted via mobility management signaling message or during packet data unit session establishment (e.g., via an uplink non access transport signaling message).
  • the information may be transmitted via a flag.
  • the AMF may transmit the information to the one or more SMF.
  • the one or more SMF may transmit the information to the PCF.
  • the UE may transmit, to one or more SMF, the information indicating a capability or an incapability to simultaneously use the first access network and the second access network to transmit and/or receive user data.
  • the information may be transmitted via a session management signaling message or during packet data unit session establishment (e.g., via a PDU session establishment request signaling message).
  • the information may be transmitted via a flag.
  • the one or more SMF may transmit the information to the PCF.
  • the one or more SMF or PCF may use the information to generate updated rules to be used by the UE and/or the UPF (e.g. traffic splitting to be disabled or redundant steering to be disabled).
  • the one or more SMF or PCF may transmit, to the UE or the UPF, the updated rules.
  • the UE may register to a first access network and a second access network.
  • the UE may register to a first access network and a second access network.
  • the UE may transmit information indicating an incapability to simultaneously use the first access network and the second access network to at least one of transmit or receive user data.
  • the UE may decide to switch from using the first access network to using the second access network to at least one of transmit or receive user data.
  • the UE may use the second access network to at least one of transmit or receive user data.
  • Fig. 10 shows a schematic representation of a non-volatile memory medium storing instructions which when executed by at least one processor allow the at least one processor to perform one or more of the steps of the methods of Fig. 8 and Fig. 9.
  • embodiments described herein may thus vary within the scope of the claims.
  • some embodiments may be implemented in hardware or special purpose circuits, software, logic or any combination thereof.
  • some embodiments may be implemented in hardware, while other embodiments (or aspects thereof) may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device, although the various embodiments are not limited thereto.
  • the software may be stored on such physical media as memory chips, or memory blocks implemented within the processor, magnetic media, such as hard disk or floppy disks, and optical media, such as, for example, DVD and the data variants thereof, CD.
  • non-transitory is a limitation of the medium itself (i.e. tangible, not a signal) as opposed to a limitation on data storage persistency (e.g. RAM vs ROM).
  • the memory may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as semiconductor-based memory devices, magnetic memory devices and systems, optical memory devices and systems, fixed memory and removable memory.
  • the data processors may be of any type suitable to the local technical environment, and may include one or more of general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs), application specific integrated circuits (ASIC), gate level circuits and processors based on multi-core processor architecture, as non-limiting and illustrative examples.
  • the term “or” refers to a non-exclusive “or” unless otherwise indicated (e.g., use of “or else” or “or in the alternative”). As used herein, unless stated explicitly, performing a respective feature, step, or functionality “in response to A” does not indicate that the respective feature, step, or functionality is performed immediately after “A” occurs as one or more intervening features, steps, or functionalities may be performed (at least in part) between an occurrence of the respective feature, step, or function and “A”.
  • performing a respective feature, step, or functionality “based on A” does not indicate that the respective feature, step, or functionality is performed solely based on “A” as the respective feature, step, or functionality may be further based on one or more other features, steps, or functionalities in addition to “A”.
  • the term “means for”, or “means configured to perform” may be any means that are suitable for performing the feature.
  • the “means” may be configured to perform one or more of the functions and/or method steps previously described.
  • the “means” may include one or more of: at least one processor, at least one memory, transceiver circuitry, antenna circuitry, etc. It should be understood that these are provided as non-limiting and illustrative examples.
  • circuitry may be configured to perform one or more of the functions and/or method steps described herein.
  • the circuitry may be provided in a base station and/or in a user equipment.
  • circuitry may refer to one or more or all of the following:
  • circuitry (c) hardware circuit(s) and or processor(s), such as a microprocessor(s) or a portion of a microprocessor(s), that requires software (e.g., firmware) for operation, but the software may not be present when it is not needed for operation.
  • software e.g., firmware
  • circuitry also covers an embodiment of merely a hardware circuit or processor (or multiple processors) or portion of a hardware circuit or processor and its (or their) accompanying software and/or firmware.
  • circuitry also covers, for example integrated device(s).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Divers modes de réalisation de la présente divulgation concernent un procédé, un appareil et un programme informatique pour un système de communication. Par exemple, la divulgation concerne un procédé consistant à : s'enregistrer, par un équipement utilisateur, dans un premier réseau d'accès et un second réseau d'accès ; et à la suite d'une décision de passer de l'utilisation du premier réseau d'accès à celle du second réseau d'accès pour transmettre et/ou recevoir des données d'utilisateur, utiliser, par l'équipement utilisateur, le second réseau d'accès pour transmettre et/ou recevoir des données d'utilisateur.
PCT/EP2025/059296 2024-04-05 2025-04-04 Appareil, procédé et programme informatique pour commuter un équipement utilisateur entre des réseaux d'accès Pending WO2025210232A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200178196A1 (en) * 2017-08-11 2020-06-04 Idac Holdings, Inc. Traffic steering and switching between multiple access networks
WO2020232404A1 (fr) * 2019-05-16 2020-11-19 Intel Corporation Technologies de commande et de gestion de multiples services d'orientation de trafic
US20220361272A1 (en) * 2019-06-17 2022-11-10 Sharp Kabushiki Kaisha Ue and smf

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200178196A1 (en) * 2017-08-11 2020-06-04 Idac Holdings, Inc. Traffic steering and switching between multiple access networks
WO2020232404A1 (fr) * 2019-05-16 2020-11-19 Intel Corporation Technologies de commande et de gestion de multiples services d'orientation de trafic
US20220361272A1 (en) * 2019-06-17 2022-11-10 Sharp Kabushiki Kaisha Ue and smf

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PAUL RUSSELL ET AL: "Update of Solution #5.3: KI#5 - Path switching between Non-3GPP accesses addressing ENs", vol. SA WG2, no. Online; 20220516 - 20220520, 24 May 2022 (2022-05-24), XP052168116, Retrieved from the Internet <URL:https://www.3gpp.org/ftp/tsg_sa/WG2_Arch/TSGS2_151E_Electronic_2022-05/Docs/S2-2204759.zip S2-2204759_was_S2-2203956r01_R18_ATSSS_ph3 update of solution 5.3 non-3GPP path switch ENs.docx> [retrieved on 20220524] *

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