WO2017125025A1 - Procédé, dispositif, système d'appel et support de stockage - Google Patents

Procédé, dispositif, système d'appel et support de stockage Download PDF

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Publication number
WO2017125025A1
WO2017125025A1 PCT/CN2017/071609 CN2017071609W WO2017125025A1 WO 2017125025 A1 WO2017125025 A1 WO 2017125025A1 CN 2017071609 W CN2017071609 W CN 2017071609W WO 2017125025 A1 WO2017125025 A1 WO 2017125025A1
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Prior art keywords
network
terminal
side device
network slice
paging
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PCT/CN2017/071609
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English (en)
Chinese (zh)
Inventor
宗在峰
陈祥榴
朱进国
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中兴通讯股份有限公司
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Publication of WO2017125025A1 publication Critical patent/WO2017125025A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular to a method, an apparatus, a system, and a storage medium for paging.
  • the future mobile network will provide access services for more and more IoT terminals.
  • Internet of Things access brings new challenges and opportunities to mobile networks. Different types of Internet of Things have different needs for the network. Some require the network to provide high real-time and high-reliability services, such as telemedicine, while others require regular small data transmission services, such as remote meter reading systems.
  • mobile networks may need to be properly optimized to meet business needs. More and more Internet of Things puts more and more different optimization requirements on mobile networks. Some of the optimization requirements may be contradictory. Therefore, a converged core network is increasingly unable to meet various Internet of Things. demand.
  • NFV Network Function Virtualization
  • core network functions can be built on common hardware without the need for a dedicated hardware platform.
  • the emergence of NFV makes it possible for operators to build different virtual core networks for different network business needs.
  • the virtual core network built for different network business needs is called a network slice.
  • Each network function in the virtual core network can be optimized and customized according to network service requirements.
  • Network slices based on NFV technology can be rapidly deployed according to requirements to quickly meet the needs of different scenarios.
  • a network slice forms a virtual core network, and provides a mobile network access service for a specific set of user equipment (User Equipment, UE for short).
  • a typical network slice includes a set of virtualized core network functions, such as a Mobility Management Entity (MME) function and a Policy and Charging Rules Function (PCRF) function.
  • MME Mobility Management Entity
  • PCRF Policy and Charging Rules Function
  • the Home Subscriber Server (HSS) function, the Gateway Controller (GW-C) function, and the Charging Gateway (CG) function The network slice is constructed by the operator according to the requirements and the operator policy.
  • the function of a network slice is also determined by the operator according to the requirements and the operator policy. For example, some network slices may include dedicated forwarding in addition to the control plane function. Some network slices may only include some basic control plane functions, such as only the MME and the gateway controller, and other core network related functions are shared with other network slices.
  • Radio Access Network Radio Access Network
  • RAN Radio Access Network
  • MME CODE mobility management entity CODE
  • S-TMSI temporary user identification code
  • MME-Temporary Mobile Subscriber Identity MME-Temporary Mobile Subscriber Identity
  • the MME CODE has a total of 8 bits. If the MME CODE is used to distinguish the network slices, the total number of network slices that can be supported cannot be greater than 256, which limits the development of the network slice.
  • the embodiments of the present invention provide a method, an apparatus, a system, and a storage medium for paging, so as to at least solve the problem of how to distinguish terminals in different network slices in the process of paging in the related art.
  • a paging method including:
  • the network side device When paging the terminal, the network side device sends a paging message to the terminal, where the paging message carries a network slice identifier.
  • the network where the network side device is located to register the terminal includes:
  • the network side device sends the temporary identifier of the terminal and the network slice identifier of the currently registered network to the terminal.
  • the method includes:
  • the network side device selects a core network service node and/or a network slice according to the network slice identifier and/or the temporary identifier.
  • the network side device After the network side device selects the core network service node and/or the network slice according to the network slice identifier and/or the temporary identifier, the network side device includes:
  • the network side device sends a service request message to the core network service node.
  • the method before the network side device sends the paging message to the terminal, the method further includes:
  • the network side device receives the paging request information sent by the core network service node, where the paging request message carries the network slice identifier, and the paging request message further carries the temporary identifier of the terminal or the international mobile User ID IMSI.
  • the network side device includes a base station.
  • a paging method including:
  • the terminal receives the paging message sent by the network side device, where the paging message carries the network slice identifier.
  • the network registration of the terminal where the network side device is located includes:
  • the terminal receives the temporary identifier of the terminal sent by the network side device, and the network slice identifier of the currently registered network.
  • the terminal When the terminal accesses the wireless network for the first time, or the tracking area of the wireless network to which the terminal belongs is updated, the terminal sends the network slice identifier to the network side device of the wireless network.
  • the terminal after receiving the paging message sent by the network side device, the terminal includes,
  • the terminal sends a service request message to the network side device, where the service request message carries the network slice identifier.
  • the service request message further carries a temporary identifier of the terminal.
  • a paging apparatus which is located in a network side device, and includes:
  • the first sending module is configured to send a paging message to the terminal when paging the terminal, where the paging message carries a network slice identifier.
  • the device further includes:
  • a first receiving module configured to receive a network slice selection parameter sent by the terminal
  • the second sending module is configured to send the temporary identifier of the terminal and the network slice identifier corresponding to the network slice selection parameter to the terminal.
  • a paging apparatus which is located in the terminal, and includes:
  • the second receiving module is configured to receive a paging message sent by the network side device, where the paging message carries a network slice identifier.
  • the device further includes:
  • a third sending module configured to send a network slice selection parameter to the network side device
  • a third receiving module configured to receive a temporary identifier of the terminal sent by the network side device, and a network slice identifier corresponding to the network slice selection parameter.
  • a paging system including: a terminal, a base station, and a core network serving node; wherein the base station is configured to receive a network cut selection parameter sent by the terminal, and Selecting a network slice and/or the core network service node according to the network slice selection parameter; the core network service node is configured to allocate a temporary identifier of the terminal, and determine a network slice identifier corresponding to the network slice selection parameter The core network service node is further configured to send the temporary identifier and the network slice identifier to the terminal; the base station is further configured to send a paging message to the terminal, where the paging message carries the network Slice identification.
  • the network side device when paging the terminal, the network side device sends a paging message to the terminal, where the paging message carries the network slice identifier, which solves how to distinguish the terminals in different network slices during the paging process.
  • the problem is that the terminals of different network slices can be distinguished in the paging message.
  • FIG. 1 is a schematic diagram of a network slice according to an embodiment of the present invention.
  • FIG. 2 is a flowchart 1 of a paging method according to an embodiment of the present invention.
  • FIG. 3 is a second flowchart of a paging method according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram 1 of a paging apparatus according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram 2 of a paging apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram 3 of a paging apparatus according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram 4 of a paging apparatus according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of a UE accessing a network according to a preferred embodiment of the present invention.
  • FIG. 9 is a flowchart of a UE initiating a service request in an idle state according to a preferred embodiment of the present invention.
  • FIG. 10 is a flow diagram of a triggering network paging UE in accordance with a preferred embodiment of the present invention.
  • FIG. 2 is a flowchart 1 of a paging method according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 determining a paged terminal
  • Step S204 The network side device sends a paging message to the terminal, where the paging message carries a network slice identifier.
  • the network slice identifier is added to the paged message, so that paging to the terminal corresponding to the network slice identifier solves the problem of how to distinguish the terminals in different network slices during the paging process, thereby A terminal that can distinguish different network slices in a paging message.
  • the network where the network side device is located to register the terminal includes: the network side device receives the sending by the terminal Network slice selection parameters;
  • the network side device sends the temporary identifier of the terminal and the network slice identifier of the currently registered network to the terminal.
  • the network side device after the network side device receives the service request of the terminal, after the network side device sends the paging message to the terminal, the network side device receives the network slice identifier sent by the terminal and/or the temporary identifier of the terminal. ;
  • the network side device selects a core network service node and/or a network slice according to the network slice identifier and/or the temporary identifier.
  • the network side device after the network side device selects the core network service node and/or the network slice according to the network slice identifier and/or the temporary identifier, the network side device sends a service request message to the core network service node.
  • the network side device before the network side device sends the paging message to the terminal, the network side device receives the paging request information sent by the core network service node, where the paging request message carries the network slice identifier, and the The call request message also carries the temporary identifier of the terminal or the International Mobile Subscriber Identity (IMSI).
  • IMSI International Mobile Subscriber Identity
  • the network side device includes a base station, a network element of the core network, and the like.
  • the embodiment of the present invention further describes a first type of computer storage medium, wherein the first type of computer storage medium stores a computer program, and the computer program is used to execute FIG. 2 in the embodiment of the present invention.
  • FIG. 3 is a flowchart 2 of a paging method according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 The terminal receives a paging message sent by the network side device, where the paging message carries a network slice identifier.
  • Step S304 the terminal determines, according to the network slice identifier, whether the paging message is sent to the terminal.
  • the terminal determines whether the paging message is sent to the terminal according to the network slice identifier of the paging message sent by the network side device, and solves the problem of how to distinguish the terminals in different network slices during the paging process. Thereby, terminals of different network slices can be distinguished in the paging message.
  • the terminal accesses the network where the network side device is located, and before the terminal receives the paging message sent by the network side device, the network registration of the terminal where the network side device is located includes: the terminal sends the network slice selection The parameter is sent to the network side device; the terminal receives the temporary identifier of the terminal sent by the network side device, and the network slice identifier of the currently registered network.
  • the terminal before receiving the paging message sent by the network side device, the terminal sends the network slice when the terminal accesses the wireless network for the first time, or when the tracking area of the wireless network to which the terminal belongs is updated.
  • a network side device identified to the wireless network.
  • the terminal after the terminal receives the paging message sent by the network side device, the terminal initiates a service request, and the terminal sends a service request message to the network side device, where the service request message carries the network slice identifier.
  • the service request message further carries a temporary identifier of the terminal.
  • the embodiment of the present invention further describes a second type of computer storage medium.
  • the second type of computer storage medium stores a computer program for performing the paging method shown in FIG. 3 in the embodiment of the present invention.
  • a paging device is also provided, which is used to implement the foregoing embodiments and preferred embodiments, and is not described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a block diagram of a structure of a paging apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus is located in a network side device, and the apparatus includes:
  • a first determining module 42 configured to determine a paged terminal
  • the first sending module 44 is connected to the first determining module 42 and configured to send a paging message to the terminal when paging the terminal, where the paging message carries a network slice identifier.
  • the first sending module 44 sends a paging message to the terminal, where the paging message carries the network slice identifier, and how to solve In the process of paging, the problem of terminals in different network slices is distinguished, so that terminals of different network slices can be distinguished in the paging message.
  • FIG. 5 is a structural block diagram 2 of a paging apparatus according to an embodiment of the present invention.
  • the apparatus further includes:
  • the first receiving module 52 is connected to the second sending module 54 and configured to receive the network slice selection parameter sent by the terminal.
  • the second sending module 54 is connected to the first determining module 42 and configured to send the temporary identifier of the terminal and the network slice identifier corresponding to the network slice selection parameter to the terminal.
  • the first determining module 42, the first sending module 44, the first receiving module 52, and the second sending module 54 can all run on a computer, and can be a central processing unit (CPU) located on the computer, or Microprocessor (MPU), or digital signal processor (DSP), or programmable gate array (FPGA) implementation.
  • CPU central processing unit
  • MPU Microprocessor
  • DSP digital signal processor
  • FPGA programmable gate array
  • FIG. 6 is a structural block diagram 3 of a paging apparatus according to an embodiment of the present invention, located in a terminal, include:
  • the second receiving module 62 is configured to receive a paging message sent by the network side device, where the paging message carries a network slice identifier;
  • the second determining module 64 is configured to determine, according to the network slice identifier, whether the paging message is sent to the terminal.
  • the second receiving module 62 is configured to receive the paging message sent by the network side device, where the paging message carries the network slice identifier, and the second determining module 64 is configured to determine, by the terminal, the paging message according to the network slice identifier. Whether it is sent to the terminal solves the problem of how to distinguish terminals in different network slices in the process of paging, so that terminals of different network slices can be distinguished in the paging message.
  • FIG. 7 is a structural block diagram 4 of a paging apparatus according to an embodiment of the present invention.
  • the apparatus further includes:
  • the third sending module 72 is connected to the third receiving module 74 and configured to send a network slice selection parameter to the network side device.
  • the third receiving module 74 is connected to the second receiving module 62, and configured to receive the temporary identifier of the terminal sent by the network side device, and the network slice identifier corresponding to the network slice selection parameter.
  • the second receiving module 62, the second determining module 64, the third sending module 72, and the third receiving module 74 can all run on the terminal, and can be a CPU, an MPU, or a DSP located on the terminal. Or FPGA implementation.
  • a paging system including: a terminal, a base station, and a core network service node;
  • the base station is configured to receive a network cut selection parameter sent by the terminal, and select a network slice and/or the core network service node according to the network slice selection parameter;
  • the core network service node is configured to allocate a temporary identifier of the terminal, and determine the network a network slice identifier corresponding to the slice selection parameter;
  • the core network service node is further configured to send the temporary identifier and the network slice identifier to the terminal;
  • the base station is further configured to send a paging message to the terminal, where the paging message carries the network slice identifier.
  • the carrying mode of the network slice identifier includes one of the following:
  • the network slice identifier is carried in a Globally Unique Temporary UE Identity (GUTI);
  • GUI Globally Unique Temporary UE Identity
  • the network slice identifier is carried in a Non Access Stratum (NAS) message.
  • NAS Non Access Stratum
  • the network when the UE accesses a network slice, the network sends the network slice identifier of the network slice that the UE currently accesses to the UE, and the UE saves the network slice identifier, so that the UE saves the network slice identifier.
  • the UE is used for subsequent access.
  • the GUTI may be extended to transmit a network slice identifier to include a network slice identifier, for example, a new network slice identifier field is added to the GUTI.
  • the network slice identifier can be sent to the UE as a separate field in the NAS message.
  • the UE When the UE accesses, for example, the service request, the UE sends the network slice identifier to the eNB in a Radio Resource Control (RRC) message, so that the eNB can send the message to the UE for the last time.
  • RRC Radio Resource Control
  • the core network service node MME of the service when the core network serving node MME receives the paging request, the MME sends the network slice identifier in the UE context and the temporary ID or IMSI of the UE to the eNB in the paging request message, and the eNB also carries the network in the paging message.
  • the slice identifier and the temporary ID or IMSI of the UE The identifier of the above network slice is a number, which is the number of the network slice instance.
  • the MME sends the network slice identifier of the network slice accessed by the current UE to the UE in the process of accessing the network.
  • the steps in the process include:
  • Step S802 the UE accesses the network.
  • the UE accesses a network slice through an attach procedure or a TAU process, and the UE carries a network slice selection parameter to the eNB when accessing, and the network slice selection parameter may be a network slice identifier (ie, a number), or other format information,
  • the secondary eNB selects a network slice and a core network service node for the UE.
  • the processes of accessing the network are performed between the UE and the network.
  • Step S804 If the network accepts the access request of the UE, the network allocates a temporary ID to the UE, and sends the temporary ID of the UE and the network slice identifier of the current network to the UE. The UE saves the network slice identifier.
  • FIG. 9 is a flowchart of a UE initiating a service request in an idle state according to a preferred embodiment of the present invention, where the steps include:
  • Step S902 the UE sends a service request message to the eNB.
  • the UE transmits the network slice identifier and the UE temporary ID saved in its context to the eNB.
  • Step S904 the eNB selects the core network serving node MME according to the network slice identifier and the UE temporary ID.
  • Step S906 the eNB sends a service request message to the selected MME.
  • Step S908 executing a subsequent process of the service request.
  • FIG. 10 is a flowchart of triggering a network paging UE according to a preferred embodiment of the present invention. As shown in FIG. 10, FIG. 10 is a downlink data sent by a system to a UE when the UE is in an idle state, and the event triggers network homing. Call UE, the steps include:
  • Step S1002 the MME receives a request for paging a certain UE
  • Step S1004 The MME sends a request for request to the eNB, where the message includes the temporary ID or IMSI of the UE, and further includes a network slice identifier.
  • Step S1006 The eNB sends a paging message, where the paging message includes a temporary ID or an IMSI of the UE, and a network slice identifier.
  • Step S1008 The UE sends a service request message to the eNB.
  • the UE transmits the network slice identifier and the UE temporary ID saved in its context to the eNB.
  • Step S1010 The eNB selects a core network serving node MME according to the network slice identifier and the UE temporary ID.
  • Step S1012 The eNB sends a service request message to the selected MME.
  • step S1014 a subsequent process of the service request is performed.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic).
  • the disc, the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a third type of computer storage medium.
  • the above second type of computer storage medium may be configured to store program code for performing the following steps:
  • the network side device sends a paging message to the terminal, where the paging message carries a network slice identifier.
  • the second type of computer storage medium is further configured to store program code for performing the following steps:
  • the terminal receives a paging message sent by the network side device, where the paging message carries Network slice ID.
  • the storage medium in this embodiment may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a removable hard disk.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • mobile hard disk a hard disk
  • removable hard disk a variety of media that can store program code, such as a disk or an optical disk.
  • the processor performs the method steps of the foregoing embodiments according to the stored program code in the storage medium.
  • modules or steps of the embodiments of the present invention can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from The steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
  • the network side device sends a paging message to the terminal, where the paging message carries the network slice identifier, which solves the problem of how to distinguish the terminals in different network slices during the paging process. Thereby, terminals of different network slices can be distinguished in the paging message.

Abstract

Conformément à des modes de réalisation, l'invention concerne un procédé, un dispositif, un système d'appel, et un support de stockage. Le procédé comprend les étapes suivantes : lors de l'appel d'un terminal, un équipement de réseau transmet au terminal un message d'appel ; le message d'appel contenant un identificateur de tranche de réseau. La solution technique ci-dessus résout un problème relatif à la façon de différencier des terminaux au niveau de différentes tranches de réseau, ce qui permet d'identifier les terminaux au niveau des différentes tranches de réseau.
PCT/CN2017/071609 2016-01-21 2017-01-18 Procédé, dispositif, système d'appel et support de stockage WO2017125025A1 (fr)

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CN201610040823.6A CN106993329A (zh) 2016-01-21 2016-01-21 寻呼的方法、装置及系统
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WO2019028838A1 (fr) * 2017-08-11 2019-02-14 Nokia Solutions And Networks Oy Cycles de radiomessagerie spécifiques à une tranche de réseau pour réseaux sans fil
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GB2569989A (en) * 2018-01-08 2019-07-10 Tcl Communication Ltd Paging in cellular communication systems
GB2569989B (en) * 2018-01-08 2020-01-15 Tcl Communication Ltd Paging in cellular communication systems
WO2022126457A1 (fr) * 2020-12-16 2022-06-23 Oppo广东移动通信有限公司 Procédé de radiomessagerie, ainsi qu'équipement utilisateur et dispositif de réseau

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