WO2012145988A1 - Procédé et appareil pour démarrer un suivi de signalisation ou une mesure d'équipement d'utilisateur - Google Patents
Procédé et appareil pour démarrer un suivi de signalisation ou une mesure d'équipement d'utilisateur Download PDFInfo
- Publication number
- WO2012145988A1 WO2012145988A1 PCT/CN2011/079949 CN2011079949W WO2012145988A1 WO 2012145988 A1 WO2012145988 A1 WO 2012145988A1 CN 2011079949 W CN2011079949 W CN 2011079949W WO 2012145988 A1 WO2012145988 A1 WO 2012145988A1
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- WO
- WIPO (PCT)
- Prior art keywords
- user equipment
- tracking
- measurement
- command
- signaling
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- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
- H04L41/044—Network management architectures or arrangements comprising hierarchical management structures
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a signaling tracking or user equipment.
- EMS In a mobile communication network, devices (network elements) in the entire communication network are generally managed in a hierarchical management manner. There are generally different levels of management systems, such as the Network Management System (NMS) and the Element Management System (EMS).
- EMS mainly completes the Element Management Level (EML) function in the International Telecommunication Union-Telecommunication Management Network (ITU TMN), that is, completes one or more mobile communication devices (NEs).
- EML Element Management Level
- the NMS mainly completes the Network Management Level (NML) function in the ITU TMN and is responsible for the management of all network elements in a managed network.
- the interface between the NMS and the EMS is called the northbound interface (referred to as Itf-N).
- the operator generally communicates with the EMS through the northbound interface of the NMS to manage the devices and related functions of different vendors.
- the northbound interface processing function at the NMS layer is called IRPManager
- the northbound interface processing function at the EMS layer is called IRPAgent.
- IRPManager the northbound interface processing function at the EMS layer
- IRPAgent the northbound interface processing function at the EMS layer
- the IRPManager interacts with the IRPAgent through the northbound interface through the IRPManager, and the IRPAgent is passed to the EMS. vice versa.
- the present invention uses NMS and EMS for description, and in the actual process, as described on the interface, there is participation of IRPManager and IRPAgent.
- the main objective of the present invention is to provide a signaling tracking or user equipment measurement starting method and apparatus for solving a specific object to be tracked or measured, and there is no suitable means for implementing signaling tracking or related user equipment measurement.
- a method for starting signaling tracking or user equipment measurement comprising:
- the parameter describing the target to be tracked or measured includes a type of attribute for selecting a user equipment to initiate tracking or measurement And the value corresponding to the type;
- the user equipment that meets the criteria is selected to initiate tracking or measurement based on the parameters of the target to be tracked or measured.
- the type of the attribute for selecting a user equipment to initiate tracking or measurement includes one or more of the following types: International Mobile Subscriber Identity (IMSI), International Mobile Equipment Identity (IMEI), International Mobile Equipment Identity Code and software version IMEISV, public identification Public ID, cell identification, location area code LAC;
- the value corresponding to the type of the attribute for selecting the user equipment to start tracking or measurement includes one or more of the following values: International Mobile Subscriber Identity (IMSI) number, international mobile device identity code IMEI number, international mobile device identity code and software version IMEISV number, public identification Public ID value, cell identification value, location area code LAC number.
- IMSI International Mobile Subscriber Identity
- IMEI international mobile device identity code
- IMEISV public identification Public ID value
- cell identification value cell identification value
- location area code LAC number location area code
- the type of the attribute of the user equipment for selecting the tracking or measurement to be started further includes: a number being called, a value corresponding to the type being null or identifying an identifier value having no specific value.
- the method is specifically:
- the network management system NMS sends the start signaling tracking or user equipment measurement command to the network element management system EMS;
- the network element management system EMS sends the start signaling tracking or user equipment measurement to the radio network controller RNC or the evolved base station eNB after receiving the command to start the signaling tracking or the user equipment measurement sent by the network management system NMS.
- the radio network controller RNC or the evolved base station eNB selects the user equipment to be tracked or measured according to the parameter of the tracking target described in the command of the initiation signaling tracking or the measurement of the user equipment, and sends a startup tracking or measurement to the selected user equipment. The command.
- the method is specifically:
- the network management system NMS sends the start signaling tracking or user equipment measurement command to the network element management system EMS;
- the network element management system EMS forwards the command to start the signaling tracking or the measurement by the user equipment to the home subscriber server HSS;
- the home subscriber server HSS forwards the command to start the signaling tracking or user equipment measurement to the mobile switching center MSC or the mobility management entity MME;
- the mobile switching center MSC or the mobility management entity MME forwards the command to start signaling tracking or user equipment measurement to the radio network controller RNC or the evolved base station eNB;
- the radio network controller RNC or the evolved base station eNB selects the user equipment to be tracked or measured according to the parameter of the tracking target described in the command of the initiation signaling tracking or the measurement of the user equipment, and sends a startup tracking or measurement to the selected user equipment. The command.
- the mobile switching center MSC or the mobility management entity MME uses the description of the parameter of the tracking target to the radio network controller RNC or the evolved base station eNB to be forwarded before forwarding the command for starting signaling tracking or user equipment measurement. Make a choice.
- the parameter describing the target to be tracked or measured is an independent combined parameter, which includes a type field of selecting an attribute of the user equipment to start tracking or measurement, and a value of the user equipment to start tracking or measurement.
- the parameter or the parameter describing the target to be tracked or measured directly includes two parameters of the type field of the attribute of the user equipment that starts the tracking or measurement and the value field of the user equipment to start tracking or measurement.
- the value field of the user equipment to be tracked or measured is a list of attribute values.
- the command for initiating the signaling tracking or the measurement by the user equipment further includes one or more of the following parameters: a tracking depth, a tracking transaction identification number, and a tracking information collection entity address.
- the present invention further provides a startup device for signaling tracking or user equipment measurement, the device comprising:
- the first module is located at the NMS side of the network management system, and is configured to send a command for starting signaling tracking or user equipment measurement, where the command for starting signaling tracking or user equipment measurement provides a parameter describing a target to be tracked or measured, The parameters describing the target to be tracked or measured are included for Selecting the type of the attribute of the user equipment to be tracked or measured and the value corresponding to the type;
- the second module is located on the EMS side of the network element management system, and is configured to receive the startup signaling trace or user equipment delivered by the first module.
- the command of the measurement, and the command to start signaling tracking or user equipment measurement is sent to the radio network controller RNC or the evolved base station eNB according to the command;
- the third module is located at the radio network controller RNC or the evolved base station eNB, and is configured to receive a start signaling trace or a user equipment measurement command sent by the second module, and select a parameter selection of the target to be tracked or measured according to the description.
- the fourth module is located at the user equipment, and is configured to receive a command for starting signaling tracking or user equipment measurement delivered by the third module, and execute a command to initiate signaling tracking or user equipment measurement.
- a signaling tracking or user equipment measurement starting device the device includes:
- the fifth module is located at the NMS side of the network management system, and is configured to send a command for starting signaling tracking or user equipment measurement, where the command for starting signaling tracking or user equipment measurement provides a parameter describing a target to be tracked or measured,
- the parameter describing the target to be tracked or measured includes a type of an attribute for selecting a user equipment to start tracking or measurement and a value corresponding to the type;
- a sixth module located at the EMS side of the element management system, for Receiving a command for starting signaling tracking or user equipment measurement sent by the fifth module, and forwarding the command to the home subscriber server HSS;
- the seventh module located at the home subscriber server HSS, configured to receive the startup signaling trace sent by the sixth module Or the user equipment measured command and forwarded to the mobile switching center MSC or the mobility management entity MME;
- the eighth module is located at the mobile switching center MSC or the mobility management entity MME, and is configured to receive the start signaling tracking or user equipment measurement command forwarded by the seventh module, and forward the same to the radio network controller RNC or the evolved base station. eNB;
- the ninth module located in the radio network controller RNC or the evolved base station eNB, used to receive the eighth A command for initiating signaling tracking or user equipment measurement issued by the module, and selecting a user equipment that meets the requirements according to the parameter of the target to be started to be tracked or measured, and performing the startup signaling tracking delivered by the selected user equipment or a command measured by the user equipment;
- the tenth module is located at the user equipment, and is configured to receive a command for starting signaling tracking or user equipment measurement delivered by the ninth module, and execute a command to initiate signaling tracking or user equipment measurement.
- the eighth module is further configured to select, by using a parameter describing the tracking target, a radio network controller RNC or an evolved base station eNB to forward the command.
- the administrator can issue a command for starting the signaling tracking or the measurement of the user equipment in the NMS, and by including the complete selection of the parameters of the user equipment that needs to start tracking or measuring in the startup command, The administrator initiates signaling tracking or measurement of the user equipment through the northbound interface.
- FIG. 1 is a schematic flowchart of a method for starting signaling signaling or user equipment measurement according to an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a function of a signaling tracking or user equipment measurement starting device according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of a function of a startup device for signaling tracking or user equipment measurement according to an embodiment of the present invention. detailed description
- FIG. 1 is a flowchart of a signaling tracking or user equipment measurement starting method according to Embodiment 1 of the present invention, where the method includes: Step 101: The NMS sends a command to start the signaling tracking or the user equipment measurement to the EMS, where the parameter of the command includes a parameter describing the tracking target, and the parameter describing the tracking target is used to select a user to be tracked or measured.
- JMSI International Mobile Subscriber Identification Number
- JMEI International Mobile Equipment Identity
- IMEISV International Mobile International Mobile Equipment Identity and Software Version
- Public ID Public ID
- Cell ID DN ID Identifier
- LAC Location Area Code
- the cell identifier may be a Distinguished Name Identity (DN ID);
- the Public ID is a PUI used by a network element such as a call session control function (CSCF for short) in the IP Multimedia Subsystem (JMS).
- CSCF call session control function
- JMS IP Multimedia Subsystem
- Tel URL such as tel: +861058761234
- the value corresponding to the type of the attribute of the user equipment to be tracked or measured includes but is not limited to the IMSI number, the IMEI number, the IMEISV number, the value of the Public ID, the cell identification value (DN ID value), LAC number, etc.
- the value can be empty or identify the identity value without a specific value.
- the above parameters for initiating signaling tracking or user equipment measurement include, in addition to the parameters describing the tracking target, one or more of the following parameters: tracking depth TraceDepth, tracking transaction identification number traceReference , tracking information collection entity address traceCollectionEntity Address.
- Step 102 The EMS receives the startup signaling trace sent by the NMS or the life measured by the user equipment.
- the radio network controller (RNC) or the evolved base station (eNB) sends a command to start signaling tracking or user equipment measurement, and the parameters of the command also include the description of the tracking target.
- the parameter that is, the condition for selecting the user equipment to be tracked or measured, that is, the type of the attribute of the user equipment to be tracked or measured and the corresponding value;
- Step 103 The RNC or the eNB selects a user equipment to be tracked or measured according to the parameter describing the tracking target, and issues a command to start tracking or measurement to the selected user equipment, thereby completing the startup.
- the parameters of the command sent by the RNC or the eNB to the user equipment do not include parameters describing the tracking target, because this command is already sent to the target object itself.
- Example 2
- Embodiment 2 of the present invention is the same as that in Embodiment 1, and the process includes:
- Step 201 The NMS sends a command to start the signaling tracking or the user equipment measurement to the EMS, where the parameters of the command include parameters describing the tracking target, and the parameters describing the tracking target are used to select the user equipment to be tracked or measured.
- the parameters of the command include parameters describing the tracking target, and the parameters describing the tracking target are used to select the user equipment to be tracked or measured.
- the type of the attribute and the corresponding value, the definition of the type and value is shown in Embodiment 1;
- the parameter describing the tracking target may be defined as a data structure StructTraceTarget, where the data structure includes a type field TraceTargetType of the attribute of the user equipment to be tracked or measured and a corresponding value field TraceTargetValue, where the TraceTargetType is The enumerated type, TraceTargetValue is a value type, which is defined as follows: Struct TraceTarget ⁇
- Step 201 After receiving the command to start the signaling tracking or the measurement by the user equipment, the EMS sends a command to start the signaling tracking or the measurement by the user equipment to the RNC or the eNB.
- the parameters of the command also include the description of the tracking target.
- the parameter which is the condition for selecting the user equipment to be tracked or measured;
- Step 203 After receiving the start signaling tracking or the user equipment measurement command sent by the EMS, the RNC or the eNB obtains a parameter describing the tracking target after parsing, and then selects the user equipment to be tracked or measured according to the parameter describing the tracking target. And the command to start tracking or measuring is sent to the selected user equipment to complete the startup.
- Example 3 After receiving the start signaling tracking or the user equipment measurement command sent by the EMS, the RNC or the eNB obtains a parameter describing the tracking target after parsing, and then selects the user equipment to be tracked or measured according to the parameter describing the tracking target. And the command to start tracking or measuring is sent to the selected user equipment to complete the startup.
- Example 3 After receiving the start signaling tracking or the user equipment measurement command sent by the EMS, the RNC or the eNB obtains a parameter describing the tracking target after parsing, and then selects the user equipment to be tracked or measured according to the parameter describing the tracking target. And the command to start tracking or measuring is sent to
- the scenario of the signaling tracking or the user equipment measurement starting method provided by the embodiment 3 of the present invention is the same as that of the first embodiment.
- the embodiment is different from the embodiment 2 in that the parameters describing the tracking target in the embodiment are two separate
- the cell is carried in the command to start signaling tracking or user equipment measurement, and is specifically defined as follows:
- Embodiment 4 of the present invention The scenario of the signaling tracking or the user equipment measurement starting method provided by Embodiment 4 of the present invention is the same as that of Embodiment 1, and the difference between this embodiment and Embodiment 2 is that: the type of the attribute of the user equipment to be tracked or measured is
- the corresponding value field is a list field, which contains multiple values to support simultaneous tracking or measurement of multiple user devices.
- the data structure describing the parameters of the tracking target is defined as follows: Struct TraceTarget ⁇
- the RNC or the eNB After receiving the parameters describing the tracking target, the RNC or the eNB parses the list in the TraceTargetValues, selects multiple user devices to be tracked or measured according to the values included in the list, and sends a startup tracking or measurement to the selected user equipment. Command, thus completing the startup.
- Example 5 After receiving the parameters describing the tracking target, the RNC or the eNB parses the list in the TraceTargetValues, selects multiple user devices to be tracked or measured according to the values included in the list, and sends a startup tracking or measurement to the selected user equipment. Command, thus completing the startup.
- Embodiment 5 of the present invention provides another signaling tracking or user equipment measurement starting method, and the method includes the following steps:
- Step 501 The NMS sends a command to start the signaling tracking or the user equipment measurement to the EMS, where the parameters of the command include parameters describing the tracking target, and the parameter describing the tracking target sets the user equipment for selecting the tracking or measurement.
- the type of the attribute and the corresponding value For the definition of the type and value, refer to Embodiment 1, and details are not described herein.
- Step 502 After receiving the start signaling tracking or the user equipment measurement command sent by the NMS, the EMS forwards the command to the home subscriber server HSS by means of signaling;
- Step 503 The Home Subscriber Server (HSS) forwards the received start signaling tracking or user equipment measurement command to the Mobile Switching Center (MSC) or the mobility management entity by means of signaling (Home Subscriber Server, HSS).
- MSC Mobile Switching Center
- MME Mobility Management Entity
- Step 504 After receiving the command to start the signaling tracking or the measurement by the user equipment, the MSC or the MME forwards the command to the RNC or the eNB in a signaling manner, and the parameters of the command also include parameters describing the tracking target, that is, used for Select the conditions of the user equipment to be tracked or measured; Preferably, the MSC or MME may also select the RNC or eNB to be forwarded by using parameters describing the tracking target to determine which RNC or eNB needs to forward the command to initiate signaling tracking or user equipment measurement.
- Step 505 The RNC or the eNB selects a user equipment to be tracked or measured according to the parameter describing the tracking target, and sends a command for starting the signaling tracking or the user equipment measurement to the selected user equipment, thereby completing the startup.
- the parameter describing the tracking target is no longer included, because the command is already sent to the target object itself.
- FIG. 2 is a schematic diagram showing the function mode of a signaling tracking or user equipment measurement starting device according to an embodiment of the present invention, where the device includes the following parts:
- the first module 201 is located at the NMS side, and is configured to send a command for starting signaling tracking or user equipment measurement, where parameters of the command include parameters describing a tracking target; and the parameter describing the tracking target is set for selecting The type of the attribute of the user equipment that is tracked or measured and the corresponding value.
- parameters of the command include parameters describing a tracking target; and the parameter describing the tracking target is set for selecting The type of the attribute of the user equipment that is tracked or measured and the corresponding value.
- the second module 202 is located on the EMS side, and is configured to receive a command for starting signaling tracking or user equipment measurement sent by the first module, and send a command for starting the signaling tracking or the user device to the RNC or the eNB according to the command;
- the third module 203 is located at the RNC or the eNB, and is configured to receive a command for starting signaling tracking or user equipment measurement sent by the second module, and select a corresponding user equipment according to the parameter that is included in the tracking target, and select the corresponding user equipment. A command to initiate signaling tracking or user device measurement delivered by the user equipment.
- the fourth module 204 is located at the user equipment, and is configured to receive a command for starting signaling tracking or user equipment measurement delivered by the third module, and execute a command to initiate signaling tracking or user equipment measurement.
- FIG. 3 is a schematic diagram of a function mode of another signaling tracking or user equipment measurement starting device according to an embodiment of the present disclosure, where the device includes the following parts:
- the fifth module 205 is located on the NMS side, and is configured to send a command for starting signaling tracking or user equipment measurement, where the parameter of the command includes a parameter describing the tracking target; and the parameter describing the tracking target is set for selecting The type of the attribute of the user equipment that is tracked or measured and the corresponding value.
- the type and value refer to Embodiment 1, and details are not described herein.
- the sixth module 206 is located on the EMS side, and is configured to receive a command for starting signaling tracking or user equipment measurement sent by the fifth module, and forward the command to the home subscriber server (HSS) by means of signaling;
- HSS home subscriber server
- the seventh module 207 is located at the HSS, and is configured to receive a command for starting signaling tracking or user equipment measurement sent by the sixth module, and forwarding the command to the MSC or the MME;
- the eighth module 208 is located at the MSC or the MME, and is configured to receive the start signaling tracking or the user equipment measurement command forwarded by the seventh module, and forward the data to the RNC or the eNB by using a signaling manner, where the parameters of the command are Also includes parameters describing the tracking target, ie conditions for selecting user equipment to be tracked or measured;
- the eighth module may also select an RNC or an eNB to forward the command by using a parameter describing the tracking target;
- the ninth module 209 is located at the RNC or the eNB, and is configured to receive a command for starting signaling tracking or user equipment measurement delivered by the eighth module, and selecting a corresponding user equipment according to the parameter of the tracking target included in the description, and giving the selected user A command to initiate signaling tracking or a measurement by the user equipment delivered by the device;
- the tenth module 210 is located at the user equipment, and is configured to receive a command for starting signaling tracking or user equipment measurement sent by the ninth module, and execute a command to start signaling tracking or user equipment measurement.
- the method and the device provided by the invention enable the administrator to issue a command for starting the signaling tracking or the measurement of the user equipment in the NMS, and the management personnel are required to include the parameters of the user equipment that needs to start tracking or measurement in the startup command.
- the signaling tracking or measurement of the user equipment can be initiated through the northbound interface, thereby solving the technical problem of the signalling tracking or the measurement initiation of the relevant user equipment for the scenario of the specific object to be tracked or measured.
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Abstract
La présente invention concerne un procédé et un appareil pour démarrer un suivi de signalisation ou une mesure d'équipement d'utilisateur, dans le but de résoudre le problème technique selon lequel il n'existe pas d'approche appropriée pour implémenter un démarrage de suivi de signalisation ou d'une mesure associée d'équipement d'utilisateur pour un objet spécifique devant être suivi ou mesuré. Avec le procédé et l'appareil de la présente invention, il devient possible pour un administrateur d'émettre une commande pour démarrer le suivi d'une signalisation ou la mesure d'un équipement d'utilisateur dans un système de gestion de réseau (NMS) et, par l'inclusion de paramètres complets pour la sélection de l'équipement d'utilisateur, de demander le démarrage du suivi ou de la mesure dans la commande de démarrage. L'administrateur est capable de démarrer le suivi de la signalisation ou la mesure de l'équipement d'utilisateur via une interface vers le nord.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101049613A CN102761886A (zh) | 2011-04-26 | 2011-04-26 | 一种信令跟踪或用户设备测量的启动方法和装置 |
| CN201110104961.3 | 2011-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012145988A1 true WO2012145988A1 (fr) | 2012-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/079949 Ceased WO2012145988A1 (fr) | 2011-04-26 | 2011-09-21 | Procédé et appareil pour démarrer un suivi de signalisation ou une mesure d'équipement d'utilisateur |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102761886A (fr) |
| WO (1) | WO2012145988A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11991525B2 (en) | 2021-12-02 | 2024-05-21 | T-Mobile Usa, Inc. | Wireless device access and subsidy control |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244192A (zh) * | 2013-06-06 | 2014-12-24 | 中兴通讯股份有限公司 | 一种lte集群业务的全网信令跟踪方法及网元 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013157A1 (fr) * | 2001-07-30 | 2003-02-13 | Siemens Aktiengesellschaft | Procede de transmission de donnees de signalisation dans un reseau de telecommunication |
| EP1868318A1 (fr) * | 2006-06-13 | 2007-12-19 | Nokia Siemens Networks Gmbh & Co. Kg | Modification flexible de compétence d'un opérateur dans gestion des réseaux |
| CN101267641A (zh) * | 2007-03-13 | 2008-09-17 | 大唐移动通信设备有限公司 | 信令跟踪方法、设备及系统 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242298B (zh) * | 2007-02-07 | 2012-02-22 | 中兴通讯股份有限公司 | 一种网管性能管理的接口方法及系统 |
-
2011
- 2011-04-26 CN CN2011101049613A patent/CN102761886A/zh active Pending
- 2011-09-21 WO PCT/CN2011/079949 patent/WO2012145988A1/fr not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013157A1 (fr) * | 2001-07-30 | 2003-02-13 | Siemens Aktiengesellschaft | Procede de transmission de donnees de signalisation dans un reseau de telecommunication |
| EP1868318A1 (fr) * | 2006-06-13 | 2007-12-19 | Nokia Siemens Networks Gmbh & Co. Kg | Modification flexible de compétence d'un opérateur dans gestion des réseaux |
| CN101267641A (zh) * | 2007-03-13 | 2008-09-17 | 大唐移动通信设备有限公司 | 信令跟踪方法、设备及系统 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11991525B2 (en) | 2021-12-02 | 2024-05-21 | T-Mobile Usa, Inc. | Wireless device access and subsidy control |
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| CN102761886A (zh) | 2012-10-31 |
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