WO2018227393A1 - Procédé d'établissement de connexion et équipement utilisateur - Google Patents

Procédé d'établissement de connexion et équipement utilisateur Download PDF

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Publication number
WO2018227393A1
WO2018227393A1 PCT/CN2017/088105 CN2017088105W WO2018227393A1 WO 2018227393 A1 WO2018227393 A1 WO 2018227393A1 CN 2017088105 W CN2017088105 W CN 2017088105W WO 2018227393 A1 WO2018227393 A1 WO 2018227393A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
network device
notification message
setting field
field
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Ceased
Application number
PCT/CN2017/088105
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English (en)
Chinese (zh)
Inventor
刘秀华
段小嫣
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2017/088105 priority Critical patent/WO2018227393A1/fr
Priority to CN201780089771.4A priority patent/CN110521258B/zh
Publication of WO2018227393A1 publication Critical patent/WO2018227393A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a method for establishing a connection and a user equipment.
  • the user equipment fails to initiate the calling, which results in poor user experience.
  • the connection management (CM) service requests (request) to the core network (Core Network, CN)
  • the CN determines that the current state of the UE is inappropriate to initiate the call, and the CN sends the CM service.
  • the reason value #101 indicates "message not compatible with protocol state".
  • the specific reason for the failure is that the UE detects the radio link failure (Rain Link Fail, RLF) after the last initiating call, and the UE side mobility management (MM) link has been released after detecting the radio link failure, but Since the CN does not obtain the information about the failure of the radio link, the MM connection status information remains on the CN side. In this case, when the UE initiates the calling service again, the CN considers that the current UE has a call link. The caller request re-initiated by the UE is rejected, and the final experience for the user is a call failure.
  • RLF Radio Link Fail
  • MM UE side mobility management
  • the embodiment of the present application provides a method for establishing a connection and a user equipment, which are used to solve the problem that the user equipment in the prior art fails to initiate a call, and the user experience is poor.
  • the application provides a method for establishing a connection, the method comprising:
  • the user equipment detects a radio link failure event; the user equipment sends a first notification message to the network device, where the first notification message includes a setting field, when the value of the setting field is a set value
  • the setting field is used to instruct the network device to release the last time a mobile management link established with the user equipment.
  • the network device releases the mobility management MM established last time with the user equipment, because the network device detects that the first notification message includes a setting field, and the value of the setting field is a set value.
  • the link establishes a new MM link with the user equipment, and does not require the user to initiate a call request again.
  • the user equipment automatically re-initiates the call request, which can reduce the number of call failures and improve the user experience.
  • the method before the user equipment detects a radio link failure event, the method further includes:
  • the user equipment sends a second notification message to the network device; the user equipment receives a second notification message sent by the network device; and the user equipment sends a second setup call request to the network device.
  • the setting field included in the first notification message is a new field, or is an original field that is multiplexed.
  • the first notification message is a connection management service request message or a location update service request message.
  • the present application provides a method for establishing a connection, where the method includes: receiving, by a network device, a first notification message sent by a user equipment, where the first notification message includes a setting field, when the setting When the value of the fixed field is a set value, the setting field is used to instruct the network device to release the last time a mobile management link established with the user equipment; the network device detects that the first notification message includes When the field is fixed and the value of the setting field is a set value, the last time the mobile management link established with the user equipment is released.
  • the network device releases the mobility management MM established last time with the user equipment, because the network device detects that the first notification message includes a setting field, and the value of the setting field is a set value.
  • the link establishes a new MM link with the user equipment, and does not require the user to initiate a call request again.
  • the user equipment automatically re-initiates the call request, which can reduce the number of call failures and improve the user experience.
  • the method before the network device receives the first notification message sent by the user equipment, the method further includes: the network device receiving the second notification message sent by the user equipment; Sending a second notification message to the user equipment; the network device receiving a second setup call request sent by the user equipment.
  • the setting field included in the first notification message is a new field, or is an original field that is multiplexed.
  • the first notification message is a connection management service request message or a location update service request message.
  • the application provides a user equipment, where the user equipment includes: a processing unit, configured to detect a radio link failure event, and generate a first notification message when detecting a radio link failure event, where The first notification message includes a setting field.
  • the value of the setting field is a set value
  • the setting field is used to instruct the network device to release the last mobile management link established with the user equipment;
  • a unit configured to send the first notification message to the network device.
  • the transceiver unit before the user equipment detects the radio link failure event, is further configured to: send a second notification message to the network device; the transceiver unit is further configured to: receive Sending, by the network device, a second notification message, and sending a second setup call request to the network device.
  • the setting field included in the first notification message is a new field, or is an original field that is multiplexed.
  • the first notification message is a connection management service request message or a location update service request message.
  • the application provides a network device, where the network device includes: a transceiver unit, configured to receive a first notification message sent by the user equipment, where the first notification message includes a setting field, where When the value of the setting field is a set value, the setting field is used to instruct the network device to release the last time a mobile management link established with the user equipment; and the processing unit is configured to detect the first notification message.
  • the setting field is included, and when the value of the setting field is a set value, the last time the mobile management link established with the user equipment is released.
  • the transceiver unit before the network device receives the first notification message sent by the user equipment, the transceiver unit is further configured to: receive, by the network device, a second notification message sent by the user equipment; The transceiver unit is further configured to send a second notification message to the user equipment, and receive a second setup call request sent by the user equipment.
  • the setting field included in the first notification message is a new field, or is an original field that is multiplexed.
  • the first notification message is a connection management service request message or a location update service request message.
  • the embodiment of the present application further provides a user equipment, where the user equipment includes a processor and a memory, where the memory is used to store a software program, and the processor is configured to read a software program stored in the memory and A method provided by the first aspect or any one of the above first aspects is implemented.
  • the user equipment can be a mobile terminal, a computer, or the like.
  • the embodiment of the present application further provides a network device, where the network device includes a processor and a memory, where the memory is used to store a software program, and the processor is configured to read a software program stored in the memory and A method provided by the second aspect or any one of the above second aspects is implemented.
  • the embodiment of the present application further provides a computer storage medium, where the software program stores a software program, where the software program can implement the first aspect or the first one when being read and executed by one or more processors. Any of the aspects provided by the design.
  • the embodiment of the present application further provides a computer storage medium, where the software program stores a software program, where the software program can implement the second aspect or the second when being read and executed by one or more processors Any of the aspects provided by the design.
  • FIG. 1 is a flowchart of a method for establishing a connection according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of an octet according to an embodiment of the present application.
  • FIG. 3 is a flowchart of another method for establishing a connection according to an embodiment of the present application.
  • FIG. 4 is a flowchart of still another method for establishing a connection according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a user equipment according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a network device according to an embodiment of the present application.
  • FIG. 7 is a structural diagram of hardware of a user equipment according to an embodiment of the present disclosure.
  • FIG. 8 is a structural diagram of a hardware of a network device according to an embodiment of the present application.
  • the embodiment of the present invention provides a method and a device for establishing a connection, which are used to solve the problem that the user equipment in the prior art fails to initiate a call, and the user experience is poor.
  • the method and the device are based on the same inventive concept. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and the repeated description is not repeated.
  • a user equipment which may be referred to as a terminal device, a mobile station, a terminal, or a mobile terminal, may communicate with one or more network devices via a Radio Access Network (RAN).
  • the user device may be a mobile phone (or "cellular" phone) or a computer with a mobile terminal, etc., for example, the user device may also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device.
  • the user equipment may also be an Internet of Things device, such as a watch terminal, a wearable device, a logistics tracker, an elevator picture or a satellite device. They exchange voice and/or data with the wireless access network.
  • the UE sends a connection management service request CM Service Request message to the network device, requesting to establish a connection, and after receiving the CM Service Request message, the network device sends an authentication request to the UE, where the UE After receiving the authentication request sent by the network device, sending a reply authentication response to the network device, after receiving the reply authentication response sent by the UE, the network device sends a CM Service Request message to the UE.
  • the UE sends a call setup request to the network device to request the call setup.
  • the UE waits for the T200 timer to expire, and has not received the CM Service Accept message sent by the network device.
  • the UE detects the RLF.
  • the UE sends a CM Service Request message to the network device again, and the network device replies with CM_SERVICE_REJECT, carrying the cause value #101, and the calling establishment fails.
  • the UE is divided into an Access-Stratum (AS) and a Non-Access-Stratum (NAS), where the NAS layer is used to generate and process messages, and the AS layer is used to send And receive messages. Since the last failed MM connection status information is still reserved on the network device side, when the UE initiates the calling service again, the network device considers that the current UE has a call link, thereby rejecting the call request re-initiated by the UE, and finally giving the user a call request.
  • the experience is a call failure, and the network device belongs to the core network CN.
  • the user equipment detects a radio link failure event; the user equipment sends a first notification message to the network device, where the first notification message includes a setting field, when the setting field is When the value is a set value, the setting field is used to instruct the network device to release the last time the mobile management link established with the user equipment.
  • the network device detects that the first notification message includes a setting field, and the value of the setting field is a set value, the network device releases the last time the mobile management MM link established with the user equipment, and the The user equipment establishes a new MM link, and the user equipment does not need to initiate the calling request again.
  • the user equipment automatically re-initiates the calling request, which can reduce the number of call failures and improve the user experience.
  • the method includes:
  • the user equipment detects a radio link failure event.
  • the user equipment sends a first notification message to the network device, where the first notification message includes a setting field, where the setting field is used when the value of the setting field is a set value. Instructing the network device to release the last time a mobile management link established with the user equipment.
  • the last time refers to the last time before the current time, that is, the network device releases the mobility management connection established recently with the user equipment
  • the setting field included in the first notification message may be a new field, It may be an original field that is multiplexed.
  • the first notification message is a CM Service Request message or a Location Update Request (LU Request) message, that is, the setting field may be carried in the CM Service.
  • the Request message may also be carried in the Location Updating Request message.
  • cs_redial uses the third bit in the octet shown in Figure 2, where The 5-8 bytes in the octet are other update parameters (IEI), and the 2nd and 4th bytes are spare bytes.
  • the network device After receiving the CM Service Request message, the network device first determines whether there is a cs_redial field, and if yes, determines whether the value of the cs_redial is 1, and if so, initiates a process of releasing the MM connection of the last call, and accepts the First CM Service Request.
  • cs_redial uses the second bit of the octet shown in Figure 2.
  • the number of call failures can be better reduced to a certain extent, and the user experience is improved.
  • the method further includes:
  • the user equipment receives the connection management service sent by the network device to accept the CM Service Accept message.
  • the method further includes: the user equipment sends a first setup call request to the network device, and completes the calling call setup.
  • the user equipment if the user equipment sends a first setup call request to the network device, and the connection establishment fails again, the user equipment continues to send the new content including the setting field to the network device.
  • the CM Service Request message until the call setup is successfully completed, or after repeated multiple times, the call setup cannot be completed within the set time period, and the caller is abandoned.
  • FIG. 3 Another method for establishing a connection establishment provided by the present application is shown in FIG. 3, and the method includes:
  • the network device receives the first notification message sent by the user equipment, where the first notification message includes a setting field, and when the value of the setting field is a set value, the first notification message is used by And instructing the network device to release the last time a mobile management link established with the user equipment.
  • the network device detects that the setting field is included in the first notification message, and when the value of the setting field is a set value, releasing a mobility management link that is last established with the user equipment.
  • the method further includes: the network device sending a connection management service accepting a CM Service Accept message to the user equipment.
  • the method further includes: the network receiving the first setup call request sent by the user equipment, Complete the calling call setup.
  • the establishment of the connection is the interaction between the user equipment and the core network.
  • the following describes the method for establishing the connection by using a specific embodiment. As shown in FIG. 4, the method includes:
  • the UE sends a second connection management service request CM Service Request message to the network device, requesting to establish a connection.
  • the network device After receiving the second CM Service Request message, the network device sends an authentication request to the UE.
  • the UE After receiving the authentication request sent by the network device, the UE sends a reply authentication response to the network device.
  • the network device After receiving the reply authentication response sent by the UE, the network device sends a second CM Service Request message feedback to the UE.
  • the UE sends a second setup call request to the network device to request a call setup.
  • the second setup call request may be a SETUP command.
  • the UE waits for the T200 timer to time out, and has not received the connection management service sent by the network device to accept the CM Service Accept message.
  • the T200 timer is an important timer in the access process, and is initiated when the sending party sends a message that needs to be acknowledged, that is, when the UE sends a second setup call request to the network device.
  • the UE detects a radio link failure RLF.
  • the network device After receiving the first CM Service Request message, the network device determines that a cs_redial field exists, and the value of the cs_redial field is 1, and the network device releases the MM link of the last call.
  • the network device sends a CM Service Accept to the UE, and accepts the first CM Service Request message.
  • S411 After receiving the CM Service Accept message, the UE sends a first setup call request to the network device, continues to complete the call setup process, and completes the call setup.
  • the present application further provides a schematic diagram of a user equipment.
  • the user equipment includes:
  • the processing unit 501 is configured to detect a radio link failure event
  • the transceiver unit 502 is configured to send a first notification message to the network device, where the first notification message includes a setting field, where the setting field is used when the value of the setting field is a set value. Instructing the network device to release the last time a mobile management link established with the user equipment.
  • a user equipment detects a radio link failure event, and the user equipment sends a first notification message to the network device, where the first notification message includes a setting field.
  • the setting field is used to instruct the network device to release the last time the mobile management link established with the user equipment.
  • the network device detects that the first notification message includes a setting field, and the value of the setting field is a set value, the network device releases the last time the mobile management MM link established with the user equipment, and the The user equipment establishes a new MM link, and the user equipment does not need to initiate the calling request again.
  • the user equipment automatically re-initiates the calling request, which can reduce the number of call failures and improve the user experience.
  • the transceiver unit is further configured to: send a second notification message to the network device;
  • the user equipment further includes: a transceiver unit, configured to receive a second sent by the network device And the sending and receiving unit is further configured to: send a second setup call request to the network device.
  • the setting field included in the first notification message may be a new field or a multiplexed original field.
  • the first notification message may include a CM Service Request message or an LU Request message.
  • the present application further provides a schematic diagram of a network device.
  • the network device includes:
  • the transceiver unit 601 is configured to receive a first notification message sent by the user equipment, where the first notification message includes a setting field, and when the value of the setting field is a set value, the setting field Instructing the network device to release the last time a mobile management link established with the user equipment;
  • the processing unit 602 is configured to detect that the setting field is included in the first notification message, and when the value of the setting field is a set value, release the last time the mobile management link established with the user equipment.
  • a network device where the user equipment detects a radio link failure event, and the user equipment sends a first notification message to the network device, where the first notification message includes a setting field.
  • the setting field is used to instruct the network device to release the last time the mobile management link established with the user equipment.
  • the network device Since the network device detects that the first notification message includes a setting field, and the setting When the value of the field is a set value, the network device releases the last mobile management MM link established with the user equipment, and establishes a new MM link with the user equipment, without requiring the user to initiate the calling request again, the user The device automatically re-initiates the caller request, which can reduce the number of call failures and improve the user experience.
  • the transceiver unit is further configured to: receive, by the network device, a second notification message that is sent by the user equipment, where the network device further includes: a transceiver unit, configured to send the second notification The message is fed back to the user equipment; the transceiver unit is further configured to receive a second setup call request sent by the user equipment.
  • the setting field included in the first notification message may be a new field or a multiplexed original field.
  • the first notification message includes a CM Service Request message or an LU Request message.
  • each functional module in each embodiment of the present application may be integrated into one processing. In the device, it can also be physically existed alone, or two or more modules can be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated device may be implemented in the form of hardware.
  • the user equipment may include the processor 701 , and the hardware of the entity corresponding to the processing unit 501 may be the processor 701 .
  • the terminal may further include a transceiver 704, and the hardware of the entity corresponding to the transceiver unit 502 may be the transceiver 704.
  • the processor 701 can be a central processing unit (English: central processing unit, CPU for short), or a digital processing module or the like.
  • the terminal device further includes a memory 702 for storing a program executed by the processor 701.
  • the memory 702 can be a non-volatile memory, such as a hard disk (English: hard disk drive, abbreviated as HDD) or a solid state drive (English: solid-state drive, abbreviation: SSD), or a volatile memory (English: volatile Memory), such as random access memory (English: random-access memory, abbreviation: RAM).
  • Memory 702 is any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.
  • the processor 701 is configured to execute the program code stored in the memory 702, specifically invoke the program instructions stored in the memory 702, and the wireless link failure event is detected by the processor 701; and the first notification message is sent to the network device by using the transceiver 704.
  • the first notification message includes a setting field. When the value of the setting field is a set value, the setting field is used to indicate that the network device releases the last time established with the user equipment. Mobile management link.
  • connection medium between the processor 701 and the memory 702 is not limited in the embodiment of the present application.
  • the embodiment of the present application is connected between the processor 701 and the memory 702 in FIG. 7 through a bus 703.
  • the bus is indicated by a thick line in FIG. 7.
  • the connection manner between other components is only for illustrative description, and is not cited. Limited.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 7, but it does not mean that there is only one bus or one type of bus.
  • the network device may include a processor 801, and the hardware of the entity corresponding to the processing unit 602 may be the processor 801.
  • the network device may further include a transceiver 804, and the hardware of the entity corresponding to the transceiver unit 601 may be the transceiver 804.
  • the processor 801 can be a central processing unit (English: central processing unit, CPU for short), or a digital processing module or the like.
  • the terminal device further includes a memory 802 for storing a program executed by the processor 801.
  • the memory 802 can be a non-volatile memory, such as a hard disk drive (HDD) or a solid state drive (English: solid-state drive, abbreviated as SSD), or a volatile memory (English: volatile) Memory), such as random access memory (English: random-access memory, abbreviation: RAM).
  • Memory 802 is any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.
  • the processor 801 is configured to execute the program code stored in the memory 802, specifically invoke the program instruction stored in the memory 802, and receive the first notification message sent by the user equipment by using the transceiver 804, where the first notification message includes a setting field, when the value of the setting field is a set value, the setting field is used to instruct the network device to release a mobile management link established with the user equipment last time; the processor 801 detects The first notification message includes a setting field, and when the value of the setting field is a set value, the last time a mobile management link established with the user equipment is released.
  • connection medium between the processor 801 and the memory 802 is not limited in the embodiment of the present application.
  • the embodiment of the present application is connected between the processor 801 and the memory 802 in FIG. 8 through a bus 803.
  • the bus is indicated by a thick line in FIG. 8.
  • the connection manner between other components is only for illustrative description, and is not cited. Limited.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 8, but it does not mean that there is only one bus or one type of bus.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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

Abstract

L'invention concerne un procédé d'établissement d'une connexion et un équipement utilisateur, qui sont utilisés pour résoudre le problème selon lequel l'équipement utilisateur dans l'état de la technique échoue à lancer un appel pendant de nombreuses fois, ce qui entraîne une mauvaise expérience d'utilisateur. Le procédé comprend les étapes suivantes : l'équipement utilisateur détecte un événement de défaillance de liaison sans fil ; et l'équipement utilisateur envoie un premier message de notification au dispositif de réseau, le premier message de notification comprenant un champ de réglage, et lorsque la valeur du champ de réglage est une valeur définie, le champ de réglage est utilisé pour ordonner au dispositif de réseau de libérer une liaison de gestion mobile établie en dernier avec l'équipement utilisateur.
PCT/CN2017/088105 2017-06-13 2017-06-13 Procédé d'établissement de connexion et équipement utilisateur Ceased WO2018227393A1 (fr)

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PCT/CN2017/088105 WO2018227393A1 (fr) 2017-06-13 2017-06-13 Procédé d'établissement de connexion et équipement utilisateur
CN201780089771.4A CN110521258B (zh) 2017-06-13 2017-06-13 一种连接建立的方法及用户设备

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CN101287291A (zh) * 2007-04-12 2008-10-15 阿尔卡特朗讯公司 支持接入系统之间移动性的系统架构中的移动性管理方法
CN101577970A (zh) * 2008-11-05 2009-11-11 中兴通讯股份有限公司 一种无线资源释放的方法
WO2012093886A2 (fr) * 2011-01-07 2012-07-12 Lg Electronics Inc. Procédé et appareil de confirmation de la libération d'une connexion lipa pdn dans un système de communications sans fil
WO2013051845A2 (fr) * 2011-10-04 2013-04-11 삼성전자 주식회사 Procédé et appareil pour commander l'accès d'un équipement d'utilisateur dans un système de communication mobile

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