WO2012151804A1 - Procédé et système pour commander un terminal hors ligne - Google Patents

Procédé et système pour commander un terminal hors ligne Download PDF

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Publication number
WO2012151804A1
WO2012151804A1 PCT/CN2011/078849 CN2011078849W WO2012151804A1 WO 2012151804 A1 WO2012151804 A1 WO 2012151804A1 CN 2011078849 W CN2011078849 W CN 2011078849W WO 2012151804 A1 WO2012151804 A1 WO 2012151804A1
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WO
WIPO (PCT)
Prior art keywords
terminal
message
trigger
offline
management unit
Prior art date
Application number
PCT/CN2011/078849
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English (en)
Chinese (zh)
Inventor
吴昊
Original Assignee
中兴通讯股份有限公司
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Publication of WO2012151804A1 publication Critical patent/WO2012151804A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to control technologies for offline terminals, and more particularly to a method and system for controlling offline terminals in a wireless communication system. Background technique
  • 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.
  • Mobility Management Unit Mobility Management Entity
  • SGSN Serving Mobility Management Entity
  • Server GPRS Support Node is a unit in the core network responsible for managing terminal access control, location information update and handover, and is responsible for core network-to-terminal non-access stratum signaling control and the function of registering the terminal to the network.
  • HSS Home Subscriber Server
  • Home Location Register
  • HLR Home Location Register
  • HSS Home Location Register
  • HLR Home Location Register
  • the binding information of the user and the user device can be saved by the gateway), or the identity of the user device can be directly saved. Information.
  • the HSS or HLR 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 user device information from the HSS or HLR.
  • the server needs to trigger the UE to establish a connection with the server to enable the UE to report the corresponding data.
  • the main purpose of the present invention is to provide a method and a system for controlling an offline terminal.
  • an offline terminal needs to perform a corresponding communication service, such as data reporting, the terminal is triggered to establish a connection, and the requested service is implemented. Electricity does not affect its own communication services.
  • a method for controlling an offline terminal comprising:
  • the terminal in the offline state periodically reads the broadcast message, and establishes a connection when the broadcast message includes the trigger information of the terminal.
  • the terminal in the offline state periodically reads the broadcast message, to: configure a period for offline reading of the broadcast message for the terminal, and the terminal reads the broadcast message at the end of each period.
  • the period for configuring the terminal to read a broadcast message offline is: pre-configuring the period in the terminal;
  • the network side configures the period and notifies the terminal.
  • the network side configures the period, and notifies the terminal, that:
  • the network side When the terminal is attached to or detached from the network, the network side notifies the terminal of the period information
  • the pre-configuring the period in the terminal is:
  • the period information is pre-configured in the storage unit of the terminal, or the periodic information is pre-configured in the identity identification card of the terminal.
  • the method further includes: After receiving the trigger message for the terminal, the home subscriber server or the home location register sends the trigger information of the terminal to the mobility management unit;
  • the base station carries the trigger information of the terminal in a system message for broadcast.
  • the method further includes:
  • the mobility management unit feeds back the terminal trigger success message to the home subscriber server or the home location register;
  • the home subscriber server or home location register deletes a trigger message for the terminal.
  • the method further includes:
  • the home subscriber server or the home location register After receiving the trigger message for the terminal, the home subscriber server or the home location register does not receive the trigger success message of the terminal sent by the mobility management unit within a set period, and deletes the terminal for the terminal. Trigger message.
  • the method further includes:
  • the terminal After the mobility management unit receives the trigger information of the terminal from the home subscriber server or the home location register or forwards the trigger information of the terminal to the base station, the terminal does not receive the terminal within the set time period.
  • the attach request sends a trigger failure message of the terminal to the home subscriber server or home location register.
  • the establishing a connection is:
  • the terminal sends an attach request to the mobility management unit, and establishes a connection after attaching to the network.
  • the method further includes:
  • the location registration signaling is sent to the mobility management unit;
  • the mobility management unit sends an update bit to a home subscriber server or home location register Set the request.
  • the device sends an update location confirmation message to the mobility management unit, where the update location confirmation message carries the trigger of the terminal.
  • the mobility management unit sends a message to the terminal to receive the location registration, and the message that accepts the location registration carries the trigger information of the terminal;
  • the terminal establishes a connection.
  • the terminal establishes a connection, which is:
  • the terminal sends an attach request to the mobility management unit, and establishes a connection after attaching to the network.
  • the home subscriber server or the home location register does not receive the trigger message of the terminal, send an update location confirmation message to the mobility management unit;
  • the mobility management unit sends a message to the terminal accepting a location registration or rejecting a location registration message
  • the terminal enters an offline state.
  • the location registration signaling is an existing attach request signaling, or is a tracking area update request signaling, or is a routing area update request signaling, or is a newly set location change signaling.
  • An offline terminal control system includes a network side and a terminal, and the network side includes a home subscriber server or a home location register, a mobility management unit, and a base station;
  • the terminal periodically reads the broadcast message while in the offline state, and establishes a connection when the broadcast message includes the trigger information of the terminal.
  • the system further comprises:
  • a configuration unit configured to configure, for the terminal, a period for reading a broadcast message offline
  • the terminal is further configured to read the broadcast message at the end of each period.
  • a home subscriber server or home location register is used to receive the end After the trigger message of the terminal, the trigger information of the terminal is sent to the mobility management unit; and the trigger message for the terminal is deleted after receiving the terminal trigger success message;
  • a mobility management unit configured to forward the received trigger information of the terminal to a base station; and, after the terminal establishes a connection, feed back the terminal trigger success message to the home subscriber server or a home location register;
  • the base station is configured to carry the received trigger information of the terminal in a system message for broadcast.
  • the home subscriber server or the home location register is further configured to: after receiving the trigger message for the terminal, when the trigger success message of the terminal sent by the mobility management unit is not received within a set period of time, Deleting a trigger message for the terminal;
  • the mobility management unit is further configured to: after receiving the trigger information of the terminal from the home subscriber server or the home location register, or after forwarding the trigger information of the terminal to the base station, failing to receive the The attach request of the terminal sends a trigger failure message of the terminal to the home subscriber server or the home location register; the home subscriber server or the home location register continues to retain the trigger message for the terminal.
  • the terminal is further configured to: when the read broadcast message determines the location update, send the location registration signaling to the mobility management unit;
  • the mobility management unit After receiving the location registration signaling, the mobility management unit further sends an update location request to the home subscriber server or the home location register;
  • the method further sends an update location confirmation message to the mobility management unit, where the update location confirmation message carries the trigger information of the terminal;
  • the mobility management unit further sends a message to the terminal to receive the location registration, where the message for accepting the location registration carries the trigger information of the terminal; the terminal further establishes a connection and responds to the service request;
  • the home subscriber server or the home location register does not receive the trigger message for the terminal, further sending an update location confirmation message to the mobility management unit; the mobility management list
  • the element further sends a message accepting the location registration or rejecting the location registration message to the terminal; the terminal enters an offline state.
  • the trigger information for the offline terminal may be carried in the system message, and the offline information is passed through the offline
  • the terminal periodically reads the system message, establishes a connection with the network side after learning the trigger information, thereby implementing terminal data reporting, etc.; or, when the terminal reads the system message and determines that its location has been updated, the connection is established and re-established.
  • the network side receives the trigger message for the offline terminal, the trigger message of the terminal will be carried in the corresponding response message, and the terminal will directly use the established connection to carry out the corresponding communication service; If the trigger message for the offline terminal is not received, the terminal is notified to be offline.
  • the technical solution of the present invention is particularly suitable for the management of the machine type communication (MTC) terminal with a large number of data, which not only ensures that the MTC terminal completes the data reporting in time, but also greatly saves the power of the terminal.
  • MTC machine type communication
  • FIG. 1 is a schematic structural diagram of a cellular wireless communication system
  • FIG. 2 is a flowchart of a method for controlling an offline terminal according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for controlling an offline terminal according to Embodiment 2 of the present invention.
  • FIG. 5 is a flowchart of a method for controlling an offline terminal according to Embodiment 4 of the present invention.
  • FIG. 6 is a flowchart of a method for controlling an offline terminal according to Embodiment 5 of the present invention. detailed description
  • Embodiment 1 This example mainly implements the trigger notification of the offline terminal through the system message on the side of the wireless communication system, enables the offline terminal to establish a connection with the network side, and implements the service of reporting the monitoring data of the terminal itself.
  • FIG. 2 is a flowchart of a method for controlling an offline terminal according to an embodiment of the present invention. As shown in FIG. 2, the method for controlling an offline terminal in this example specifically includes the following steps:
  • Step 201 Configure a cycle for reading the system message for the terminal in the offline state.
  • the cycle period may be preset when the terminal is shipped from the factory, or configured by the network side and sent to the terminal when the terminal is attached to the network.
  • the operator and the terminal user may negotiate a period agreed by both parties, and then save it in the operator's network entity, such as the mobility management unit, when the terminal is attached to or removed from the network.
  • the mobility management unit When sent to the terminal by the mobility management unit.
  • the offline state of the terminal may be a detached state or an unregistered state, or a newly defined new state between the detached and online states.
  • the terminal in the offline state of the present invention, the terminal is periodically awake, and the system message needs to be read after waking up, and the operation related to the communication network is not performed at other times, for example, the reading of the system message is not performed, and the neighboring cell is measured. Cell re-election, etc. Terminals that conform to this behavior are terminals that are offline.
  • the terminal When the terminal ends up in a cycle and wakes up to read the system message (i.e., broadcast message), the terminal first performs cell selection to select a suitable cell to camp, and the appropriate cell, that is, the signal strength meets the minimum required cell where the terminal is camped. After the terminal camps on the cell, it starts to read the cell system message, that is, the broadcast message.
  • the system message i.e., broadcast message
  • the above cycle is implemented by a cycle timer. That is, the above-mentioned periodic timer is configured in the terminal, or after receiving the configuration period information on the network side, the terminal starts a timer equal to the configuration period duration at the corresponding time.
  • Step 202 The periodic timer is started when the terminal enters an offline state, and the system message broadcasted by the network side is read at the end of each period.
  • Step 203 The server sends a trigger message for the terminal to the home subscriber server or the home location register.
  • the triggering message carries the triggering information for the terminal, and the triggering information may include at least one of the following contents: A. an identifier of the terminal; B. a routing address of the server, such as an IP address; C. Effective time.
  • the so-called server is a server for acquiring terminal data connected to the network side, such as a server for recording a meter reading data server or a server for acquiring monitoring data, such as a remote meter reading system, the server for detecting data
  • the corresponding monitoring data is obtained from each monitoring terminal; for example, the corresponding monitoring terminal is awakened by the technical solution of the present invention to report the monitoring data and the like.
  • Step 204 The home subscriber server or the home location register sends terminal trigger information to the mobility management unit.
  • Step 205 The mobility management unit sends the trigger information to the base station.
  • Step 206 The base station carries the trigger information in the system message, and broadcasts as a system message on the broadcast channel.
  • a special information block may be set in the system message for carrying the trigger information, and an information element is added to the system information block to indicate whether there is trigger information. When the information element is set to 1, it indicates that there is trigger information, and is set to 0, indicating no trigger information.
  • Step 207 When the terminal reads the broadcast system message, if the indication of the trigger information on the corresponding system information block is 1, the trigger information is read. If the trigger information includes the identifier of the terminal, the server needs to trigger. The terminal establishes a connection with the server, and then sends an attach request to the mobility management unit to request to attach to the network.
  • the terminal After attaching to the network, the terminal establishes a connection with the network.
  • the server sends the trigger information to the network, a connection has been established between the server and the network. Therefore, the terminal establishes a connection with the server and can send data to the server.
  • Step 208 After receiving the attach request of the terminal, the mobility management unit sends a trigger success message to the home subscriber server or the home location register.
  • Step 209 The home subscriber server or the home location register receives the trigger of the terminal. After the message is sent, the trigger message for the terminal is deleted.
  • FIG. 3 is a flowchart of a method for controlling an offline terminal according to Embodiment 2 of the present invention. As shown in FIG. 3, the method for controlling an offline terminal in this example specifically includes the following steps:
  • Step 301 Configure a cycle for reading a broadcast message for the terminal in an offline state.
  • the cycle period may be preset when the terminal is shipped from the factory, or configured by the network side and sent to the terminal when the terminal is attached to the network.
  • the operator and the terminal user may negotiate a period agreed by both parties, and then save it in the operator's network entity, such as the mobility management unit, when the terminal is attached to or removed from the network.
  • the mobility management unit When sent to the terminal by the mobility management unit.
  • the offline state of the terminal may be a detached state or an unregistered state, or a newly defined new state between the detached and online states.
  • the terminal in the offline state of the present invention, the terminal is periodically awake, and the system message needs to be read after waking up, and the operation related to the communication network is not performed at other times, for example, the reading of the system message is not performed, and the neighboring cell is measured. Cell re-election, etc. Terminals that conform to this behavior are terminals that are offline.
  • the terminal When the terminal ends up in a cycle and wakes up to read the system message (i.e., broadcast message), the terminal first performs cell selection to select a suitable cell to camp, and the appropriate cell, that is, the signal strength meets the minimum required cell where the terminal is camped. After the terminal camps on the cell, it starts to read the cell system message, that is, the broadcast message.
  • the system message i.e., broadcast message
  • the above cycle is implemented by a cycle timer. That is, the above-mentioned periodic timer is configured in the terminal, or after receiving the configuration period information on the network side, the terminal starts a timer equal to the configuration period duration at the corresponding time.
  • Step 302 Start the cycle timer when the terminal enters the offline state, and read the system message broadcasted by the network side at the end of each cycle.
  • Step 303 The server sends a trigger message for the terminal to the home subscriber server or the home location.
  • the triggering message carries the triggering information for the terminal, and the triggering information may include at least one of the following contents: A. an identifier of the terminal; B. a routing address of the server, such as an IP address; C. Effective time.
  • the so-called server is a server for acquiring terminal data connected to the network side, such as a server for recording a meter reading data server or a server for acquiring monitoring data, such as a remote meter reading system, the server for detecting data
  • the corresponding monitoring data is obtained from each monitoring terminal; for example, the corresponding monitoring terminal is awakened by the technical solution of the present invention to report the monitoring data and the like.
  • Step 304 When the terminal reads the system message on the network side, if the tracking area or the routing area information carried in the system message does not match the tracking area or the routing area information of the terminal, the terminal considers that the location has been updated. At this time, the terminal transmits the signaling of the location registration to the mobility management unit.
  • the location-registered signaling may be existing attach request signaling, or tracking area update request signaling, or routing area update request signaling, or newly set location change signaling.
  • the function of the location registration signal is to enable the network side to obtain the current location information of the terminal, such as tracking area or routing area information.
  • Step 305 After receiving the signaling of the location registration, the mobility management unit sends the update location request signaling to the home subscriber server or the home location register.
  • Step 306 The home subscriber server or the home location register locally modifies the location information of the terminal, and feeds back the location confirmation signaling to the mobility management unit.
  • Step 307 After receiving the update location confirmation signaling, the mobility management unit sends signaling that rejects the location registration to the terminal.
  • Step 308 After receiving the signaling of rejecting the location registration, the terminal enters an offline state.
  • step 306 if the home subscriber server or the home location register includes the trigger information of the terminal sent by the server, the terminal trigger information is included in the update location confirmation signaling.
  • the mobility management unit After receiving the terminal trigger information sent by the home subscriber server or the home location register, the mobility management unit sends a message to the terminal to accept the location registration.
  • the signaling that accepts the location registration carries the trigger information of the terminal.
  • the terminal After receiving the signaling for accepting the location registration, the terminal sends an attach request to the mobility management unit according to the trigger information, requesting to attach to the network. After attaching to the network, the terminal establishes a connection with the network.
  • the server sends a trigger message to the network, a connection has been established between the server and the network. Therefore, the terminal establishes a connection with the server and can send data to the server.
  • Step 309 After receiving the attach request, the mobility management unit feeds back a trigger success message to the home subscriber server or the home location register.
  • Step 310 After receiving the success information of the terminal, the home subscriber server or the home location register deletes the trigger message for the terminal.
  • FIG. 4 is a flowchart of a method for controlling an offline terminal according to Embodiment 3 of the present invention. As shown in FIG. 4, the method for controlling an offline terminal in this example specifically includes the following steps:
  • Step 401 Configure a cycle for reading the system message for the terminal in the offline state.
  • the cycle period may be preset when the terminal is shipped from the factory, or configured by the network side and sent to the terminal when the terminal is attached to the network.
  • the operator and the terminal user may negotiate a period agreed by both parties, and then save it in the operator's network entity, such as the mobility management unit, when the terminal is attached to or removed from the network.
  • the mobility management unit When sent to the terminal by the mobility management unit.
  • the offline state of the terminal may be a detached state or an unregistered state, or a newly defined new state between the detached and online states.
  • the terminal in the offline state of the present invention, the terminal is periodically awake, and the system message needs to be read after waking up, and the operation related to the communication network is not performed at other times, for example, the reading of the system message is not performed, and the neighboring cell is measured. Cell re-election, etc. Terminals that conform to this behavior are terminals that are offline.
  • the terminal When the terminal ends up in a cycle and wakes up to read the system message (ie, broadcast message), the terminal first performs cell selection, selects a suitable cell to camp, and the appropriate cell is the letter. The cell whose strength meets the minimum requirements for terminal stationing. After the terminal camps on the cell, it starts to read the cell system message, that is, the broadcast message.
  • the system message ie, broadcast message
  • the above cycle is implemented by a cycle timer. That is, the above-mentioned periodic timer is configured in the terminal, or after receiving the configuration period information on the network side, the terminal starts a timer equal to the configuration period duration at the corresponding time.
  • Step 402 Start the cycle timer when the terminal enters the offline state, and read the system message broadcasted by the network side at the end of each cycle.
  • Step 403 The server sends a trigger message for the terminal to the home subscriber server or the home location register.
  • the triggering message carries the triggering information for the terminal, and the triggering information may include at least one of the following contents: A. an identifier of the terminal; B. a routing address of the server, such as an IP address; C. Effective time.
  • the so-called server is a server for acquiring terminal data connected to the network side, such as a server for recording a meter reading data server or a server for acquiring monitoring data, such as a remote meter reading system, the server for detecting data
  • the corresponding monitoring data is obtained from each monitoring terminal; for example, the corresponding monitoring terminal is awakened by the technical solution of the present invention to report the monitoring data and the like.
  • Step 404 The home subscriber server or the home location register sends terminal trigger information to the mobility management unit.
  • Step 405 The mobility management unit sends the trigger information to the base station, and starts a waiting timer.
  • the send trigger fails to the home subscriber server or home location register.
  • the home subscriber server or home location register continues to retain trigger information for the terminal.
  • Step 406 The base station carries the trigger information into the system message, and broadcasts as a system message on the broadcast channel.
  • a special information block may be set for carrying the trigger information, and an information element is added to the system information block to indicate whether there is trigger information. When the information element is set to 1, Indicates that there is a trigger message. When set to 0, it indicates that there is no trigger information.
  • Step 407 When the terminal reads the broadcast system message, if the indication of the trigger information in the system information block is 1, the trigger information is read. If the trigger information includes the identifier of the terminal, the server needs to trigger the When the terminal establishes a connection with the server, it sends an attach request to the mobility management unit to request to attach to the network.
  • the terminal After attaching to the network, the terminal establishes a connection with the network.
  • the server sends a trigger message to the network, a connection has been established between the server and the network. Therefore, the terminal establishes a connection with the server and can send data to the server.
  • Step 408 After receiving the attach request of the terminal, the mobility management unit sends a trigger success message to the home subscriber server or the home location register.
  • Step 409 After receiving the trigger success message of the terminal, the home subscriber server or the home location register deletes the trigger message for the terminal.
  • FIG. 5 is a flowchart of a method for controlling an offline terminal according to Embodiment 4 of the present invention. As shown in FIG. 5, the method for controlling an offline terminal in this example specifically includes the following steps:
  • Step 501 Configure a cycle for reading the system message for the terminal in the offline state.
  • the cycle period may be preset when the terminal is shipped from the factory, or configured by the network side and sent to the terminal when the terminal is attached to the network.
  • the operator and the terminal user may negotiate a period agreed by both parties, and then save it in the operator's network entity, such as the mobility management unit, when the terminal is attached to or removed from the network.
  • the mobility management unit When sent to the terminal by the mobility management unit.
  • the offline state of the terminal may be a detached state or an unregistered state, or a redefined new state between the detached and online states.
  • the terminal in the offline state of the present invention, the terminal is periodically awake, and the system message needs to be read after waking up, and the operation related to the communication network is not performed at other times, for example, the reading of the system message is not performed, and the neighboring cell is measured. Cell re-election, etc. Terminals that conform to this behavior are terminals that are offline.
  • the terminal When the terminal ends up in a cycle and wakes up to read the system message (i.e., broadcast message), the terminal first performs cell selection to select a suitable cell to camp, and the appropriate cell, that is, the signal strength meets the minimum required cell where the terminal is camped. After the terminal camps on the cell, it starts to read the cell system message, that is, the broadcast message.
  • the system message i.e., broadcast message
  • the above cycle is implemented by a cycle timer. That is, the above-mentioned periodic timer is configured in the terminal, or after receiving the configuration period information on the network side, the terminal starts a timer equal to the configuration period duration at the corresponding time.
  • Step 502 The period timer is started when the terminal enters the offline state, and the system message broadcasted by the network side is read at the end of each period.
  • Step 503 The server sends a trigger message for the terminal to the home subscriber server or the home location register.
  • the triggering message carries the triggering information for the terminal, and the triggering information may include at least one of the following contents: A. an identifier of the terminal; B. a routing address of the server, such as an IP address; C. Effective time.
  • the so-called server is a server for acquiring terminal data connected to the network side, such as a server for recording a meter reading data server or a server for acquiring monitoring data, such as a remote meter reading system, the server for detecting data
  • the corresponding monitoring data is obtained from each monitoring terminal; for example, the corresponding monitoring terminal is awakened by the technical solution of the present invention to report the monitoring data and the like.
  • the home subscriber server or home location register initiates a wait timer T2 upon receipt of the trigger information. If the home subscriber server or the home location register does not receive the mobility management unit sending a trigger success message when the time is up, the trigger information of the terminal is deleted.
  • Step 504 The home subscriber server or the home location register sends terminal trigger information to the mobility management unit.
  • Step 505 The mobility management unit sends the trigger information to the base station.
  • Step 506 The base station carries the trigger information to the system message block, and broadcasts as a system message. Broadcast on the channel.
  • a special information block can be set for carrying the trigger information, and an information element is added to the system information block to indicate whether there is trigger information. When the information element is set to 1, it indicates that there is trigger information. When set to 0, it indicates There is no trigger information.
  • Step 507 When the terminal reads the broadcast system message, if the indication of the trigger information on the system information block 1 is 1, the trigger information is read. If the trigger information includes the identifier of the terminal, the server needs to trigger. The terminal establishes a connection with the server, and then sends an attach request to the mobility management unit to request to attach to the network.
  • the terminal After attaching to the network, the terminal establishes a connection with the network.
  • the server sends a trigger message to the network, a connection has been established between the server and the network. Therefore, the terminal establishes a connection with the server and can send data to the server.
  • Step 508 After receiving the attach request of the terminal, the mobility management unit sends a trigger success message to the home subscriber server or the home location register.
  • Step 509 After receiving the trigger success message of the terminal, the home subscriber server or the home location register deletes the trigger message for the terminal.
  • FIG. 6 is a flowchart of a method for controlling an offline terminal according to Embodiment 5 of the present invention. As shown in FIG. 6, the method for controlling an offline terminal in this example specifically includes the following steps:
  • Step 601 Configure a cycle for reading the system message for the terminal in the offline state.
  • the cycle period may be preset when the terminal is shipped from the factory, or configured by the network side and sent to the terminal when the terminal is attached to the network.
  • the operator and the terminal user may negotiate a period agreed by both parties, and then save it in the operator's network entity, such as the mobility management unit, when the terminal is attached to or removed from the network.
  • the mobility management unit When sent to the terminal by the mobility management unit.
  • the offline state of the terminal may be a detached state or an unregistered state, or a redefined new state between the detached and online states.
  • the invention described in the present invention In the line state, the terminal is periodically woken up, and the system message needs to be read after waking up, and the operations related to the communication network are not performed at other times, such as not reading the system message, measuring the neighboring cell, cell reselection, and the like. Terminals that conform to this behavior are terminals that are offline.
  • the terminal When the terminal ends up in a cycle and wakes up to read the system message (i.e., broadcast message), the terminal first performs cell selection to select a suitable cell to camp, and the appropriate cell, that is, the signal strength meets the minimum required cell where the terminal is camped. After the terminal camps on the cell, it starts to read the cell system message, that is, the broadcast message.
  • the system message i.e., broadcast message
  • the above cycle is implemented by a cycle timer. That is, the above-mentioned periodic timer is configured in the terminal, or after receiving the configuration period information on the network side, the terminal starts a timer equal to the configuration period duration at the corresponding time.
  • Step 602 The periodic timer is started when the terminal enters an offline state, and the system message broadcasted by the network side is read at the end of each period.
  • Step 603 The server sends a trigger message for the terminal to the home subscriber server or the home location register.
  • the triggering message carries the triggering information for the terminal, and the triggering information may include at least one of the following contents: A. an identifier of the terminal; B. a routing address of the server, such as an IP address; C. Effective time.
  • the so-called server is a server for acquiring terminal data connected to the network side, such as a server for recording a meter reading data server or a server for acquiring monitoring data, such as a remote meter reading system, the server for detecting data
  • the corresponding monitoring data is obtained from each monitoring terminal; for example, the corresponding monitoring terminal is awakened by the technical solution of the present invention to report the monitoring data and the like.
  • the home subscriber server or home location register initiates a wait timer T2 upon receipt of the trigger information. If the home subscriber server or the home location register does not receive the mobility management unit sending a trigger success message when the time is up, the trigger information of the terminal is deleted.
  • Step 604 When the terminal reads the broadcast system message, if the tracking area or the routing area information carried in the system message does not match the tracking area or the routing area information of the terminal, the terminal considers that the location is sent. Born an update. At this time, the terminal transmits the signaling of the location registration to the mobility management unit.
  • the location registration signaling may be existing attach request signaling, or tracking area update request signaling, or routing area update request signaling, or new location change signaling.
  • the role of the signaling of the location registration is to enable the network side to obtain current location information of the terminal, such as tracking area or routing area information.
  • Step 605 After receiving the signaling of the location registration, the mobility management unit sends the update location request signaling to the home subscriber server or the home location register.
  • Step 606 The home subscriber server or the home location register locally modifies the location information of the terminal, and feeds back the location confirmation signaling to the mobility management unit.
  • Step 607 After receiving the confirmation, the mobility management unit sends a signaling to accept the location registration to the terminal.
  • Step 608 After receiving the signaling for accepting the location registration, the terminal enters an offline state.
  • step 606 if the home subscriber server or the home location register includes the trigger information of the terminal sent by the server, the terminal trigger information is included in the update location confirmation signaling.
  • the mobility management unit After receiving the terminal trigger information sent by the home subscriber server or the home location register, the mobility management unit sends a signal to the terminal to receive the location registration, and the signaling of the location registration registration carries the trigger information of the terminal.
  • the terminal After receiving the signaling for accepting the location registration, the terminal sends an attach request to the mobility management unit according to the trigger information, and requests to attach to the network. After attaching to the network, the terminal establishes a connection with the network.
  • the server sends a trigger message to the network, a connection is established between the server and the network. Therefore, the terminal establishes a connection with the server and can send data to the server.
  • Step 609 After receiving the attach request, the mobility management unit feeds back a trigger success message to the home subscriber server or the home location register.
  • Step 610 After receiving the trigger success information of the terminal, the home subscriber server or the home location register deletes the trigger message for the terminal.
  • the invention simultaneously describes a control system for an offline terminal, including a network side and a terminal,
  • the network side includes a home subscriber server or home location register, a mobility management unit, and a base station;
  • the terminal periodically reads the broadcast message while in the offline state, and establishes a connection when the broadcast message includes the trigger information of the terminal.
  • the above system also includes:
  • a configuration unit configured to configure, for the terminal, a period for reading a broadcast message offline
  • the terminal is further configured to read the broadcast message at the end of each period.
  • the configuration unit pre-configures the cycle in the terminal; specifically, pre-configuring the cycle information in a storage unit of the terminal, or pre-configuring the cycle information in an identity card of the terminal in.
  • the configuration unit is set on the network side, and the terminal is notified after the period is configured. Specifically, when the terminal is attached to or detached from the network, the network side notifies the terminal of the period information.
  • the home subscriber server or the home location register is configured to: after receiving the trigger message for the terminal, send the trigger information of the terminal to the mobility management unit; and delete the terminal trigger success message and delete the terminal Trigger message
  • the mobility management unit is configured to forward the received trigger information of the terminal to a base station; and, after the terminal establishes a connection, feed back the terminal trigger success message to the home subscriber server or a home location register ;
  • the base station is configured to send the received trigger information of the terminal to a system message for sending.
  • the home subscriber server or the home location register is further configured to: after receiving the trigger message for the terminal, if the trigger success message of the terminal sent by the mobility management unit is not received within the set time period, deleting a trigger message of the terminal;
  • the mobility management unit is further configured to: from the home subscriber server or home location After receiving the trigger information of the terminal or forwarding the trigger information of the terminal to the base station, the register does not receive the attach request of the terminal within a set period, and sends the request to the home subscriber server or the home location register.
  • the trigger failure message of the terminal; the home subscriber server or home location register continues to retain the trigger message for the terminal.
  • the terminal is further configured to: when the read broadcast message determines the location update, send the location registration signaling to the mobility management unit;
  • the mobility management unit After receiving the location registration signaling, the mobility management unit further sends an update location request to the home subscriber server or the home location register;
  • the device When the home subscriber server or the home location register receives the trigger message for the terminal, the device further sends an update location confirmation message to the mobility management unit, where the update location confirmation message carries the trigger information of the terminal;
  • the mobility management unit further sends a message to the terminal to receive the location registration, where the message for accepting the location registration carries the trigger information of the terminal; the terminal further establishes a connection and responds to the service request;
  • the user server or the home location register does not receive the trigger message for the terminal, further sending an update location confirmation message to the mobility management unit; the mobility management unit further sends a message to the terminal accepting the location registration or The message of the location registration is rejected; the terminal enters an offline state.
  • control system of the offline terminal of the present invention is mainly applied to a wireless communication system, and the offline terminal is managed accordingly.
  • the control system of the offline terminal of the present invention does not have any relevant network element of the existing network system.
  • the update only updates the functionality of some of the network elements. It can be understood by referring to the related descriptions of the first embodiment to the fifth embodiment.

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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 pour commander un terminal hors ligne, selon lequel le terminal à l'état hors ligne lit de manière cyclique un message de diffusion, et une connexion est établie lorsque le message de diffusion comprend des informations de déclenchement du terminal. L'invention concerne également un système qui met en oeuvre le procédé pour commander le système hors ligne, le système comprenant un côté réseau et le terminal. Le côté réseau comprend un serveur d'abonnés domestique ou un registre des abonnés locaux, une unité de gestion de mobilité, et une station de base. Le terminal lit de manière cyclique le message de diffusion lorsqu'il est à l'état hors ligne, et établit la connexion lorsque le message de diffusion comprend les informations de déclenchement du terminal. La solution technique de la présente invention est particulièrement apte à être utilisée dans la gestion de terminaux de communication de type machine (MTC) comprenant un grand volume de données, ce qui permet non seulement d'assurer l'établissement de rapports de données par les terminaux MTC dans les délais prévus, mais également de conserver la puissance nécessaire pour lesdits terminaux.
PCT/CN2011/078849 2011-05-06 2011-08-24 Procédé et système pour commander un terminal hors ligne WO2012151804A1 (fr)

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CN2011101170805A CN102769841A (zh) 2011-05-06 2011-05-06 离线终端的控制方法及系统

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CN104012129B (zh) * 2012-12-12 2018-04-27 华为技术有限公司 一种在线状态信息交互方法、机器人及系统
CN109300074B (zh) * 2017-07-24 2020-11-10 中国电信股份有限公司 通信方法、系统以及归属用户服务器
CN110620993B (zh) * 2019-09-10 2021-07-13 RealMe重庆移动通信有限公司 位置信息处理方法及装置、存储介质和电子设备

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