WO2012113178A1 - Procédé et appareil de détection de perte de connexion d'un terminal - Google Patents

Procédé et appareil de détection de perte de connexion d'un terminal Download PDF

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Publication number
WO2012113178A1
WO2012113178A1 PCT/CN2011/073725 CN2011073725W WO2012113178A1 WO 2012113178 A1 WO2012113178 A1 WO 2012113178A1 CN 2011073725 W CN2011073725 W CN 2011073725W WO 2012113178 A1 WO2012113178 A1 WO 2012113178A1
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WO
WIPO (PCT)
Prior art keywords
terminal
connection
connection loss
loss detection
mme
Prior art date
Application number
PCT/CN2011/073725
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English (en)
Chinese (zh)
Inventor
吴昊
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012113178A1 publication Critical patent/WO2012113178A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks

Definitions

  • the present invention relates to a connection loss detection technology for a Machine Type Communication (MTC) device, and more particularly to a method and apparatus for detecting a connection loss of a terminal.
  • MTC Machine Type Communication
  • FIG. 1 is a schematic structural diagram of a cellular wireless communication system.
  • the cellular wireless communication system is mainly composed of a core network (CN, Core Network), an access network (RAN, Radio Access Network), and a terminal.
  • the core network is responsible for non-access layer transactions such as terminal location updates, etc.
  • the core network is also the anchor point of the user plane.
  • the access network includes a base station, or a base station and a base station controller, and the access network is responsible for access layer transactions, such as management of radio resources.
  • the base stations may have physical or logical connections according to actual conditions, such as the base station 1 in FIG. And the connection between the base station 2, the base station 1 and the base station 3, and each base station can be connected to more than one core network node.
  • a user equipment UE, User Equipment refers to various devices that can communicate with a cellular wireless communication network, such as a mobile phone or a notebook computer.
  • the MTC service is a business related to machine-to-machine communication. No human involvement is required in the MTC business, and all communication is done autonomously by the machine.
  • the MTC service obtains data through sensing devices such as sensors, and then reports the data to the mobile communication network through the communication module, and accesses the public data network through the mobile communication network, which can be specifically applied to logistics monitoring, security monitoring, telemedicine detection, remote copying. Fields such as tables. These data are managed by a mobile operator or a specific server of a dedicated MTC operator and can be viewed by MTC users or MTC managers. In this process, the device that obtains the data required by the service is the MTC device.
  • the MTC device After the introduction of the MTC service, the MTC device is used in a different way than the ordinary user terminal, and is usually arranged in some unmanaged scenarios, such as a remote meter, a logistics monitor, and an automatic Vending machines, etc. are all under the supervision of no management.
  • users of MTC devices do not bring MTC devices with them from time to time.
  • the user needs to know whether the MTC equipment he owns is still working properly to perform timely repairs when the MTC equipment fails. Therefore, it is necessary to monitor the operating state of the MTC device through the communication network. Whether the MTC device is disconnected is the focus of monitoring.
  • the common method For the method of detecting the status of the MTC device, the common method is to set the detection time.
  • the MTC device fails to have signaling or data response within the detection time, it is considered as The MTC device is offline and the network needs to report to the MTC server.
  • the detection time here is stored in the Home Subscriber Server (HSS, Home Subscriber Server) as the subscription data unique to each MTC device.
  • HSS Home Subscriber Server
  • the HSS is an entity in the telecommunication network that is responsible for storing identity information, authentication information, and authorization information of a user or a terminal device. Depending on the situation, the HSS can be used to store the identity information of the user and the binding information of the user and the terminal device, or only the identity information of the user (specifically, the gateway can save the binding information of the user and the terminal device), or directly save the terminal device.
  • Identity Information The HSS is also responsible for the user's subscription database, as well as the user's authentication and authorization.
  • the service platform can query user or terminal information from the HSS.
  • the Mobility Management Entity is used to detect whether the normal terminal is online or not.
  • the terminal can access the terminal when the non-access stratum (NAS, Non Access Stratum) is disconnected.
  • NAS Non Access Stratum
  • the timer when the terminal is reachable to the timer, the implicit detachment timer is started. If the NAS connection cannot be established when the implicit detachment timer expires, the network side triggers the terminal to attach the process.
  • the service of the MTC device is different from that of the ordinary terminal.
  • the period of reporting data by the logistics monitoring device is relatively long, and the time for reporting the data by the digital medical monitoring device is short.
  • the MTC user may need different detection cycles to obtain The state of the MTC device, the unified terminal accessible timer and the implicit detach timer are not sufficient to meet the needs of different MTC users. Summary of the invention
  • the main object of the present invention is to provide a method and a device for detecting a connection loss of a terminal, which can perform connection loss detection on the terminal, so as to timely report the terminal information with lost connection.
  • a method for detecting a loss of a connection of a terminal, and adding a detection parameter of a lost connection to the subscription data of the terminal includes:
  • the network side device After receiving the connection request of the terminal, the network side device acquires the subscription data of the terminal, performs connection loss detection on the terminal, and performs reporting when detecting that the terminal connection is lost.
  • the detection parameter of the connection loss includes a connection loss detection timer duration.
  • the initiating connection loss detection on the terminal is:
  • the MME When the MME releases the NAS signaling connection of the terminal or the state of the terminal transits to an idle state, the MME initiates or restarts the connection loss detection timer, when the NAS signaling connection of the terminal is established or When the state of the terminal transitions to the connected state, the connection loss detection timer is stopped.
  • reporting is:
  • the MME sends the terminal connection loss report to the terminal server or the HSS or the gateway.
  • the method further includes:
  • the MME performs a detach operation on the terminal.
  • the detach operation deletes the bearer established for the terminal, and deletes the context information of the terminal.
  • the method further includes:
  • the MME stops the terminal reachable timer and/or the implicit detach timer when the connection loss detection timer expires;
  • the MME stops the connection loss detection timing when the implicit detach timer expires Cry
  • the network side device is an MME
  • the acquiring subscription data of the terminal is:
  • the MME first searches for the connection loss detection timer duration parameter of the terminal in the local context information, and if not, obtains the subscription data of the terminal from the HSS, and confirms whether the connection loss data of the terminal includes the connection loss detection.
  • the parameter of the timer duration is the parameter of the timer duration.
  • An apparatus for detecting a loss of a terminal connection comprising: a setting unit, a receiving unit, an obtaining unit, a detecting unit, and a reporting unit; the receiving unit, the acquiring unit, the detecting unit, and the reporting unit are In the network side device;
  • a setting unit configured to add a detection parameter of the connection loss in the subscription data of the terminal, where the detection parameter of the connection loss includes a connection loss detection timer duration;
  • a receiving unit configured to receive an attach request of the terminal
  • An obtaining unit configured to acquire subscription data of the terminal
  • a detecting unit configured to perform connection loss detection on the terminal
  • the reporting unit is configured to perform reporting when the detecting unit detects that the terminal connection is lost.
  • the detecting unit is further configured to: when the NAS signaling connection of the terminal is released, or when the state of the terminal transits to an idle state, start or restart the connection loss detection timer, where the terminal is When the NAS signaling connection is established or the state of the terminal transits to the connected state, the connection loss detection timer is stopped.
  • the reporting unit is further configured to: when the connection loss detection timer expires, send the terminal connection loss report to a terminal server or an HSS or a gateway.
  • the network side device is an MME
  • the obtaining unit is further configured to: first, in the local context information, whether there is a connection loss detection timer duration parameter of the terminal, and if not, acquire the subscription data of the terminal from the HSS, and confirm the subscription data of the terminal. Whether to include the connection loss detection timer The parameters of the duration.
  • the network side confirms whether the connection loss detection is performed on the terminal after receiving the attachment request of the terminal. In this way, when it is confirmed that the terminal connection is lost, the connection loss status of the terminal can be reported to the corresponding network device, so that the terminal management personnel can monitor the terminal status.
  • the invention realizes the monitoring of whether the terminal connection is lost by setting the loss detection timer, realizes the monitoring of the terminal status by a small protocol change cost, and compensates for the shortcomings of the prior art to the terminal management, which is greatly facilitated. Monitoring management of the terminal.
  • FIG. 1 is a schematic structural diagram of a cellular wireless communication system
  • FIG. 2 is a flowchart of a method for detecting a connection loss of a terminal according to the present invention
  • FIG. 3 is a schematic structural diagram of a device for detecting a connection loss of a terminal according to the present invention. detailed description
  • FIG. 2 is a flowchart of a method for detecting a connection loss of a terminal according to the present invention. As shown in FIG. 2, the method for detecting a connection loss of a terminal according to the present invention specifically includes the following steps:
  • Step 201 Add a detection parameter of the connection loss to the subscription data of the terminal.
  • the invention firstly sets the detection parameter of the connection loss of the terminal, that is, the detection of the loss of the terminal connection by means of the subscription data.
  • the detection parameter of the connection loss in the present invention is a related parameter of the connection loss detection timer duration. That is, the detection of the terminal is realized by setting a detection timer with a lost connection.
  • Step 202 The network side device receives an attach request of the terminal. After the terminal starts or restarts, it needs to attach to the mobile network registered by itself, and needs to send an attach request to the network side.
  • Step 203 After receiving the attach request of the terminal, the network side device searches whether the subscription data of the terminal includes the detection parameter of the connection loss, and when the inclusion includes the connection loss detection of the terminal.
  • the network side device After receiving the connection request from the terminal, the network side device first confirms whether the terminal has subscribed to the lost detected service, and initiates the detection of the connection loss of the terminal when the subscription is performed. Otherwise, the detection service is not started.
  • the network includes authentication and authentication procedures for the terminal, and the process is not related to the implementation of the technical solution of the present invention. Process.
  • the above-mentioned network-side device generally refers to the MME; the above-mentioned search for the subscription data of the terminal includes the detection parameter of the connection loss: the MME first searches the local context information whether the subscription data of the terminal is stored (ie, if the terminal is not the first time) When attached to the network, the MME stores the subscription data of the terminal acquired from the HSS and stores it as local context information. When the subscription data of the terminal is stored, it further confirms whether the subscription data of the terminal includes the connection loss detection timer duration. If the subscription data of the terminal is not stored, the subscription data of the terminal is obtained from the HSS, and the related data of the connection loss detection timer duration is included in the subscription data of the terminal.
  • the MME sends a request for acquiring the subscription data of the terminal to the HSS, where the request carries the identification information of the terminal.
  • the HSS After receiving the request for acquiring the subscription data by the MME, the HSS searches for the subscription data of the terminal according to the identification information of the terminal, and The MME sends the subscription data of the terminal to the MME.
  • Obtaining the subscription data of the terminal from the HSS is prior art, and more implementation details are not described herein.
  • the connection loss detection timer is started or restarted.
  • the terminal's NAS signaling connection is established or terminated
  • the connection loss detection timer is stopped.
  • the connection loss detection timer expires, the terminal connection is considered to be lost.
  • the state of the terminal is transferred to the connection state, that is, the terminal establishes a bearer link with the network side, that is, the terminal and the network side have data services.
  • Step 204 Perform reporting when detecting that the connection of the terminal is lost.
  • the MME sends a terminal connection loss report to the terminal server or the HSS or the gateway. That is, the terminal server or the HSS or the gateway is notified that the terminal connection is lost.
  • Step 205 The MME performs a detach operation on the terminal.
  • the MME After the MME sends the terminal connection loss report to the terminal server or the HSS or the gateway, the MME performs a detach operation on the terminal.
  • the detach operation is to delete the bearer established for the terminal, and delete the context information of the terminal.
  • the method for detecting the loss of the connection of the terminal of the present invention further includes: setting an reachable timer for detecting whether the terminal is reachable and/or an implicit detachment timer for detaching; when the MME is out of time when the connection loss detection timer expires, The terminal access timer and/or the implicit detach timer are stopped; when the implicit detach timer expires, the connection loss detection timer is stopped.
  • a terminal in the present invention especially an MTC device.
  • a terminal server is especially an MTC server.
  • the network operator needs to detect whether the connection is lost according to the needs of the user, and set the value of the connection loss detection timer according to the user requirement, and once the connection is lost, the indication
  • the network performs de-attachment on the terminal and saves it as subscription data.
  • the terminal sends an attach request to the MME
  • the MME After receiving the attach request of the terminal, the MME checks whether there is subscription data of the terminal locally, and if not, sends an update location request message to the HSS, where the update location request message includes the international mobile subscriber identity of the terminal ( IMSI, International Mobile Subscriber Identification Number ), indicating that the subscription data of the terminal needs to be requested; here, the identification information of the terminal may also be other identification information other than the IMSI, such as the identification information of the unique hardware in the terminal, as long as the terminal can be uniquely identified and can be HSS The terminal can be identified.
  • IMSI International Mobile Subscriber Identification Number
  • the HSS After receiving the update location request message sent by the MME, the HSS searches for the subscription data of the terminal according to the identifier IMSI of the terminal in the message. If the subscription data includes the subscription data of the terminal, the HSS sends the location response message to the terminal. MME. In the signed subscription data, the connection loss detection timer is included (assuming the terminal has subscribed to the service).
  • the MME After receiving the terminal subscription data sent by the HSS, the MME constructs the terminal context information locally according to the received subscription data, and saves the connection loss detection timer locally.
  • connection loss detection timer is temporarily not activated; if the terminal enters the idle state after attaching to the network, then the MME When the status of the recording terminal is idle, the connection loss detection timer is started.
  • the terminal needs to send the NAS signaling to the MME (for example, when the terminal moves out of the current tracking area, the tracking area update request signaling needs to be sent to the MME, or the terminal needs to send the service data, and send the service request signaling to the MME to request to establish.
  • the data bearer transmits data, and the tracking area update request signaling or the service request signaling is a NAS signaling.
  • the MME stops the connection loss detection timer.
  • connection loss detection timer is restarted.
  • the MME reports the terminal connection loss event to the terminal server or the HSS or the gateway, and performs a detach operation on the terminal, that is, deletes the bearer established by the terminal, and deletes the bearer locally.
  • the context information of the terminal is, deletes the bearer established by the terminal, and deletes the bearer locally.
  • connection loss timer expires after the connection loss timer expires, and the terminal accessible timer or implicit detach timer running in the MME is still running, stop the terminal access timer or implicitly detach Timer.
  • the device for detecting loss of connection of a terminal of the present invention includes: a setting unit 30, a receiving unit 31, an obtaining unit 32, and a detecting unit 33. And the reporting unit 34; the receiving unit 31, the obtaining unit 32, the detecting unit 33, and the reporting unit 34 are disposed in the network side device;
  • the setting unit 30 is configured to add a detection parameter of the connection loss in the subscription data of the terminal, where the detection parameter of the connection loss includes a connection loss detection timer duration;
  • the receiving unit 31 is configured to receive an attach request of the terminal
  • the obtaining unit 32 is configured to acquire subscription data of the terminal.
  • a detecting unit 33 configured to perform connection loss detection on the terminal
  • the reporting unit 34 is configured to perform reporting when the detecting unit detects that the terminal connection is lost.
  • the detecting unit 33 is further configured to: when the NAS signaling connection of the terminal is released, or when the state of the terminal transits to an idle state, start or restart the connection loss detection timer, and the NAS signaling at the terminal When the connection is established or the state of the terminal transits to the connected state, the connection loss detection timer is stopped.
  • the reporting unit 34 is further configured to send the terminal connection loss report to the terminal server or the HSS or the gateway when the connection loss detection timer expires.
  • the network side device is an MME
  • the obtaining unit 32 is further configured to first search for the connection loss detection timer duration parameter of the terminal in the local context information, obtain the subscription data of the terminal from the HSS when not, and confirm the subscription data of the terminal. Whether to include the parameter of the connection loss detection timer duration.
  • the device for detecting the connection loss of the terminal shown in FIG. 3 is set to implement the foregoing method for detecting the connection loss of the terminal, and the implementation functions of each processing unit in the figure may be implemented. It is understood with reference to the aforementioned description of the method of detecting terminal connection loss. It should be understood by those skilled in the art that the functions of the processing units in the device for detecting the connection loss of the terminal shown in FIG. 3 can be implemented by a program running on the processor, or can be realized by a specific logic circuit.

Abstract

La présente invention porte sur un procédé de détection d'une perte de connexion d'un terminal, et les paramètres servant à détecter la perte de connexion sont ajoutés aux données d'abonnement du terminal. Le procédé comprend les opérations suivantes : un dispositif côté réseau obtient les données d'abonnement du terminal après réception d'une requête de rattachement provenant du terminal, effectue une détection de perte de connexion pour le terminal et rapporte une perte de connexion lorsque la perte de connexion du terminal est détectée. La présente invention porte également sur un appareil de détection de perte de connexion servant à mettre en œuvre le procédé suscité. Grâce à la présente invention, la détection du fait que la connexion du terminal est perdue ou non est réalisée par configuration d'un temporisateur de détection de perte et l'état du terminal est surveillé moyennant une relativement petite modification du protocole. En conséquence, les inconvénients dans la gestion du terminal selon l'état de la technique sont éliminés, et la gestion de surveillance du terminal est grandement facilitée.
PCT/CN2011/073725 2011-02-25 2011-05-06 Procédé et appareil de détection de perte de connexion d'un terminal WO2012113178A1 (fr)

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CN201110046162.5 2011-02-25
CN201110046162.5A CN102651883B (zh) 2011-02-25 2011-02-25 检测终端连接丢失的方法及装置

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DE102014000992A1 (de) 2014-01-29 2015-07-30 Alzchem Ag Flüssige Härterzusammensetzung zur Härtung von Polymerharzen (I)
DE102014000993A1 (de) 2014-01-29 2015-07-30 Alzchem Ag Flüssige Härterzusammensetzung zur Härtung von Polymerharzen (II)

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WO2015035621A1 (fr) * 2013-09-13 2015-03-19 华为终端有限公司 Procédé, dispositif et système de connexion à un réseau
CN107241714B (zh) * 2017-06-01 2020-12-08 珠海市魅族科技有限公司 一种建立通信的方法、装置及存储介质
RU2741332C1 (ru) * 2017-08-07 2021-01-25 Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. Способ и устройство для получения доступа к услуге
CN110062274A (zh) * 2019-04-30 2019-07-26 深圳市迅雷网络技术有限公司 一种视频文件缓存方法、装置、设备及可读存储介质
CN114079960B (zh) * 2020-08-21 2023-11-21 中国移动通信集团重庆有限公司 网络接入异常的处理方法、装置、计算设备和存储介质
CN114221894B (zh) * 2021-12-27 2024-01-26 中科海微(北京)科技有限公司 物联网组网防丢失系统及防丢失方法

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