WO2012094923A1 - 控制终端发起业务的方法及系统 - Google Patents

控制终端发起业务的方法及系统 Download PDF

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Publication number
WO2012094923A1
WO2012094923A1 PCT/CN2011/082600 CN2011082600W WO2012094923A1 WO 2012094923 A1 WO2012094923 A1 WO 2012094923A1 CN 2011082600 W CN2011082600 W CN 2011082600W WO 2012094923 A1 WO2012094923 A1 WO 2012094923A1
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WO
WIPO (PCT)
Prior art keywords
service
terminal
base station
initiation
information
Prior art date
Application number
PCT/CN2011/082600
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English (en)
French (fr)
Inventor
艾建勋
邓云
戴谦
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.)
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Publication of WO2012094923A1 publication Critical patent/WO2012094923A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure

Definitions

  • the present invention relates to the field of mobile communications, and more particularly to a method and system for controlling a terminal to initiate a service. Background technique
  • H2H Human to Human
  • M2M Machine to Machine
  • M2M applications include industrial applications, home applications, personal applications, etc.
  • industry applications include traffic monitoring, alarm systems, marine rescue, vending machines, car payment, etc.
  • Home applications include automatic meter reading, temperature control, etc.
  • Applications include life testing, remote diagnosis, and more.
  • M2M objects are machine-to-machine, person-to-machine, and data communication between one or more machines is defined as Machine Type Communication (MTC). In this case, Less human interaction is required.
  • MTC Machine Type Communication
  • the machine participating in the MTC is an MTC device or an MTC device (MTC Device).
  • MTC Device MTC Device
  • the MTC device can communicate with other MTC devices or MTC servers via a Public Land Mobile-Communication Network (PLMN).
  • PLMN Public Land Mobile-Communication Network
  • the existing communication system can be optimized according to its characteristics to meet the requirements of the MTC application, and has no impact on the common UE (User Equipment) in the existing network.
  • MTC devices are numerous, the amount of data transmitted each time is small, the transmission interval is large, and some MTC devices are relatively fixed in position. According to statistics, there will be 3,000 MTC devices installed in a residential area in the city of London. If so many MTC devices initiate random access, such as fires, earthquakes, etc., the alarm will be brought to the network. Great impact. Generally, multiple base stations are connected to the same core network element, such as a Mobility Management Entity (MME).
  • MME Mobility Management Entity
  • the existing protocol introduces an overload control mechanism for the MTC device for the core network overload problem.
  • the MME detects that the load reaches a predetermined threshold, the MME sends an Overload Start signaling to the base station, requesting the base station to reject the new MTC device access network.
  • the non-access stratum (NAS, Non Access Stratum) signaling sent by the new MTC device is prevented from being sent to the MME again to increase its load.
  • NAS Non Access Stratum
  • the base station only refuses access when the MTC device initiates a RRC (Radio Resource Control) connection request, and when the MTC device is already in the connected state, it initiates a new service request again, and the base station cannot stop.
  • a new service request of the MTC device, and thus, the NAS signaling for the new service request is sent to the MME through the base station, and the load of the base station and the MME is simultaneously increased. Therefore, it is necessary to initiate a new connection to the MTC device in the connected state.
  • the service request is controlled so as to be able to reduce the load on the base station and the MME.
  • the main object of the present invention is to provide a method and system for controlling a terminal to initiate a service, to solve the problem of aggravating a base station and an MME load due to a new service request initiated by a terminal in a connected state.
  • the present invention provides a method for controlling a terminal to initiate a service, the method comprising: receiving, by a terminal in a connected state, indication information of a forbidden initiation service sent by a base station; and determining, by the terminal in a connected state, indication information for prohibiting initiation of a service , The execution of the business is performed or not performed.
  • the terminal in the connected state receives the indication information of the banned initiating service sent by the base station, and includes: the base station acquires its own load information, and/or load information of the MME connected to itself, and obtains according to the acquired information.
  • the load information is sent to the terminal in the connected state to send an indication that the service is prohibited.
  • the base station acquires load information of the MME, where: the base station receives the overload start signaling sent by the MME, and parses the received overload start signaling to obtain load information of the MME.
  • the terminal in the connected state receives the indication information of the forbidden initiation service sent by the base station, where: the terminal in the connected state receives the system message that is broadcast by the base station and is provided with the indication information for prohibiting the initiation of the service (System) Alternatively, the terminal in the connected state receives the radio resource control (RRC) sent by the base station, and the radio resource control (RRC) is provided with a cell for indicating the prohibition of initiating service information.
  • RRC radio resource control
  • the terminal in the connected state performs or does not perform the service initiating operation according to the indication information of the prohibiting the initiating service, where: the RRC layer in the connected state terminal instructs to prohibit the initiation of the service.
  • the information is delivered to the NAS of the terminal, and when the service is to be initiated, the NAS of the terminal detects whether the indication information for prohibiting the initiation of the service request exists. If yes, the service is executed or not executed according to the indication information. Initiating operation; if not If it exists, the initiating operation of the service is performed.
  • the terminal in the connected state receives the indication information of the forbidden initiation service sent by the base station
  • the method includes: the base station receiving the NAS signaling that is sent by the MME and carrying the indication information of the forbidden initiation service, and The NAS signaling is forwarded to the terminal in the connected state; the NAS in the connected state terminal receives the NAS signaling.
  • the terminal in the connected state performs the operation of initiating the service according to the indication information of the prohibition of initiating the service
  • the: the NAS in the connected state saves the indication information of the prohibition of initiating the service.
  • the method includes: the terminal in the connected state receives information sent by the base station to indicate that the specified service is prohibited from being initiated, or is used to indicate that the designated terminal is prohibited from initiating any service, or is used to indicate that the specified service is prohibited.
  • the terminal initiates the information of the specified service; the terminal in the connected state, according to the information used to indicate that the specified service request is forbidden, or the information indicating that the designated terminal is prohibited from initiating any service, or is used to instruct the designated terminal to initiate the designation.
  • the method includes: the terminal in the connected state receives a limiting factor and/or a limiting time sent by the base station to indicate that the initiating service is prohibited; and the terminal in the connected state is according to the limiting factor and/or Or limit the time, perform or not perform the initiation of the business.
  • the present invention further provides a terminal, where the terminal is configured to receive the indication information of the forbidden initiation service sent by the base station, and perform or not perform the initiation operation of the service according to the received indication information of the prohibition initiation service.
  • the terminal is an H2H device, and/or an MTC device.
  • the present invention further provides a system for controlling a terminal to initiate a service, the system comprising: a base station and a terminal, wherein the base station and the terminal have established a connection, and the base station is configured to Sending indication information for prohibiting the initiation of the service; the terminal is configured to receive the indication information of the forbidden initiation service sent by the base station, and perform or not perform the initiation operation of the service according to the received indication information of the prohibition of initiating the service.
  • the terminal is an H2H device, and/or an MTC device.
  • the base station is configured to acquire its own load information, and/or load information of the MME connected to itself, and send indication information for prohibiting the initiation of the service to the terminal according to the acquired load information.
  • the system further includes: an MME, connected to the base station, configured to send an overload start signaling to the base station when the self is overloaded; and the base station is further configured to receive the overload sent by the MME The signaling is started, and the received overload start signaling is parsed to obtain load information of the MME.
  • the MME is further configured to send, to the base station, NAS signaling that carries the indication information of the forbidden initiation service, where the base station is further configured to receive the NAS signaling sent by the MME and forward the To the terminal.
  • the method for controlling a terminal to initiate a service is provided by the base station, and the base station sends the indication information for prohibiting the initiation of the service to the terminal in the connected state.
  • the terminal When the terminal initiates the service, the terminal needs to initiate the operation of the new service according to the indication information of the prohibition of initiating the service.
  • the terminal in the connected state can initiate a new service, and the base station and the core network in the overload state are prevented from activating the new service by the connected terminal, thereby effectively controlling the load status on the network side, which helps the network side to resume normal state smoothly. .
  • FIG. 1 is a flowchart of implementing a method for controlling a terminal to initiate a service according to the present invention
  • FIG. 2 is a flowchart of an implementation process of controlling an MTC device to initiate a service process according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of implementing an operation process for controlling an H2H device to initiate a service according to Embodiment 2 of the present invention
  • the basic idea of the present invention is: the base station sends, according to its own load status, and/or the load status of the MME, information for prohibiting the initiation of the service request to the terminal in the connected state, and the terminal in the connected state receives the request to prohibit the initiation of the service.
  • the information, and the initiation of the service request according to the information for prohibiting the initiation of the service request can effectively control the terminal in the connected state to initiate a service request according to the current network load condition, and avoid the load on the network side when overloading.
  • the method for controlling the terminal to initiate the service mainly includes the following steps: Step 101: The terminal in the connected state receives the indication message for prohibiting the initiation of the service sent by the base station. Step 102: The terminal in the connected state according to the method The instruction to prohibit the initiation of the service, or the initiation of the operation of the service.
  • the base station acquires its own load information, and/or load information of the MME connected to itself, and sends indication information prohibiting the initiation of the service to the terminal in the connected state according to the acquired load information.
  • the base station may obtain the load information of the MME by measuring, and may receive the overload start signaling sent by the MME, and parse the received overload start signaling to obtain the load information of the MME.
  • the load information may include hardware processing load information, software processing load information, transmission load information of an interface between a base station and an MME, and the like.
  • the terminal in the connected state receives the indication information of the forbidden initiation service sent by the base station, and may be: the terminal in the connected state receives the system information (System Information) broadcasted by the base station and set with the indication information for prohibiting the initiation of the service. Or the terminal in the connected state receives the radio resource control (RRC) sent by the base station, where the radio resource control (RRC) is provided with a cell for indicating the prohibition of initiating service information.
  • System Information System Information
  • RRC radio resource control
  • the base station sets, in the system message, indication information that prohibits the initiation of the service, to the The terminal in the connected state broadcasts the system message; or the base station sets, by using the RRC signaling, a cell for indicating the forbidden initiation service information, and sends the message to the terminal.
  • the RRC signaling may specifically be RRC connection reconfiguration, and/or downlink information delivery signaling, and/or RRC connection re-establishment signaling.
  • the base station may set the identifier information of the specified service and the indication information of the prohibition of initiating the service in the system message, and notify the terminal to stop the service request of the specified service.
  • the specified service may include a part of the service indicated in the MME load information, and/or a service that is prohibited from being initiated by the base station according to its own load information.
  • the identifier information of the specified service may be the name of the specified service, the priority identifier, and the like.
  • the terminal in the connected state performs or does not perform the service initiation operation according to the indication information of the forbidden service.
  • the RRC layer in the connected state terminal receives the indication information of the forbidden initiation service sent by the base station, and transmits the indication information to the NAS of the terminal, and when the service is to be initiated, the NAS of the terminal detects whether the device exists.
  • the indication information for prohibiting the initiation of the service request if yes, performs or does not perform the initiation operation of the service according to the indication information; if not, performs the initiation operation of the service.
  • the terminal in the connected state receives the indication information of the forbidden initiation service sent by the base station, and may be: the base station receives the NAS signaling that is sent by the eNB to carry the indication information of the forbidden initiation service, and The NAS signaling is forwarded to the terminal in the connected state.
  • the NAS in the connected state terminal receives the NAS signaling.
  • the terminal in the connected state performs or does not perform the initiating operation of the service according to the indication information of the prohibiting the initiating service, and specifically: the NAS in the connected terminal receives the indication that the base station sends the prohibition of starting the service.
  • the information is saved, and when the service is to be initiated, the NAS of the terminal detects whether the indication information for prohibiting the initiation of the service request exists, and if yes, performs or does not perform the initiation operation of the service according to the indication information; Exist, then The initiation of the business.
  • the method may include: receiving, by the terminal in the connected state, information for indicating barring for originating calls sent by the base station, or for indicating that the designated terminal is prohibited from initiating any service, or using And indicating to prohibit the designated terminal from initiating the specified service, and according to the information used to indicate that the specified service request is prohibited from being initiated, or the information indicating that the designated terminal is prohibited from initiating any service, or used to instruct the designated terminal to initiate the specified service.
  • Information the execution or non-execution of the business.
  • the method may further include: the terminal in the connected state receiving a limiting factor and/or a limiting time sent by the base station to indicate that the initiating service is prohibited; the terminal in the connected state according to the limiting factor and/or Limit time, perform or not perform the initiation of the business.
  • the indication information is to prohibit the designated terminal from initiating the information of the arbitrary service, the initiation of the new service is not performed for the designated terminal; for the non-designated terminal, the initiation of the new service is performed.
  • the originating of the specified service may be performed for the designated terminal, and the initiation of the non-designated service may be performed; for the non-designated terminal, the initiation of the arbitrary service may be performed.
  • the terminal If the indication information is a restriction factor for prohibiting the initiation of any service, the terminal generates a random value, and if the random value is less than the restriction factor, the terminal may perform initiation of any service; if the random value is greater than or equal to the restriction factor , the terminal does not perform the initiation of any service.
  • the terminal needs to generate a random value. If the random value is less than the restriction factor, the terminal may perform initiation of any service; if the random value is greater than or equal to The limiting factor is that the terminal needs to wait for a period of time equal to the limited time before the initiation of the new service can be performed.
  • the indication information is a time limit for prohibiting the initiation of the service
  • the waiting time is equal to the limited time period before the initiation of the new service can be performed.
  • the designated service may be a high priority access (high priority access), and/or an emergency service ( Emergency), and/or a service initiated by paging (mt-Access), and/or a user initiated message.
  • Business mi-Signalling
  • mo-Data user-initiated data service
  • low priority service and/or delayed service
  • multimedia voice service and/or multimedia video business.
  • the base station may also set the identifier information of the designated terminal and the indication information of the prohibition of initiating the service, which is a value of True, in the system message, and notify the designated terminal to stop initiating a new service request.
  • terminals there are two types of terminals: an MTC device and an H2H device.
  • the base station may indicate that all MTC devices are prohibited from initiating services, and may also prohibit a group or group by setting one or more group identifiers of the MTC device in the system message. Multiple sets of MTC devices initiate new services.
  • the designated terminal may also be a low-priority terminal, or a high-priority terminal, or a terminal of a normal priority.
  • the priority of the terminal may be preset and written into the terminal, such as For H2H devices, the priority is set to high priority; for electronic meter reading MTC devices, the priority is set to low priority; for monitoring MTC devices, the priority is set to normal priority, Or high priority.
  • the base station may also set the identifier information of the specified terminal, the identifier information of the specified service, and the indication information of the prohibition of initiating the service, and notify the designated terminal to stop the service request of the specified service.
  • the base station may prohibit a terminal of a certain priority from initiating a service request, or prohibit a terminal of a certain priority from initiating a service request of a specified priority service, for example, the base station may prohibit the low priority terminal from initiating a service request for allowing the delayed service, or broadcast It is forbidden to initiate information of a specified priority service by one or more groups of terminals.
  • the access class of the terminal is stored in the Universal Subscriber Identity Module (USIM) of the terminal, and the base station may prohibit a certain access level terminal from initiating a service request or prohibiting an access level terminal. Initiate a business request specifying a priority service.
  • USIM Universal Subscriber Identity Module
  • the present invention further provides a terminal, where the terminal is in a connected state, and the terminal And the indication information for prohibiting the initiation of the service sent by the base station, and performing or not performing the initiation operation of the service according to the received indication information of the prohibited service initiation.
  • the terminal may be an H2H device, and/or an MTC device.
  • the present invention further provides a system for controlling a terminal to initiate a service
  • the system mainly includes: a base station and the foregoing terminal, where the base station and the terminal have established a connection, and the base station is configured to send to the terminal Instructions for initiating a business are prohibited.
  • the base station is configured to obtain load information of the MME and/or load information of the MME connected to the eNB, and send, according to the acquired load information, indication information that prohibits the initiation of the service to the terminal.
  • the system further includes: an MME, connected to the base station, configured to send an overload start signaling to the base station when the self is overloaded; the base station is further configured to receive an overload start signaling sent by the MME And parsing the received overload start signaling to obtain load information of the MME.
  • an MME connected to the base station, configured to send an overload start signaling to the base station when the self is overloaded; the base station is further configured to receive an overload start signaling sent by the MME And parsing the received overload start signaling to obtain load information of the MME.
  • the MME may be further configured to send, to the base station, NAS signaling that carries the indication information of the forbidden initiation service, where the base station is further configured to receive the NAS signaling sent by the MME and forward the The terminal.
  • the MTC device is used as an example.
  • the MTC device accesses the network through the base station 1 and is in a connected state.
  • the process of controlling the MTC device to initiate a service request is performed. As shown in FIG. 2, the following may specifically include the following steps:
  • Step 201 The MME sends an Overload Start signaling to all base stations (including the base station 1) connected to the MME, and the MME load exceeds a predetermined threshold. All MTC devices initiate new services.
  • Step 203 The base station 1 adds information for instructing all the MTC devices to initiate a service request to the system message according to the acquired load information, updates the system message to be broadcasted, and broadcasts the updated system message to Connected MTC devices;
  • the information for instructing all the MTC devices to initiate the service request may be the information indicating that the value is True or False, and may be set in advance.
  • the information indicates that all the MTC devices are prohibited from initiating the service request.
  • the value is False, the information indicates that all MTC devices are allowed to initiate a service request.
  • the base station 1 broadcasts the information that prohibits the MTC device in the connected state from sending a new service request by using the system message, so that the MTC device can prevent the MTC device from initiating a new service and increase the load of the core network.
  • the base station 1 may feed back an RRC connection request (RRC Connection Reject) after the MTC device in the idle state sends an RRC Connection Request to itself (RRC Connection Reject). ) Signaling, rejecting its access, thereby controlling the MTC device in idle state to initiate a service request.
  • RRC Connection Reject an RRC connection request
  • RRC Connection Reject Signaling, rejecting its access, thereby controlling the MTC device in idle state to initiate a service request.
  • Step 204 The RRC layer of each MTC device receives the system message broadcast by the base station 1, and transmits information about the MTC device that is in the connected state to initiate the new service request to the NAS of the MTC device.
  • the NAS of the MTC device saves the information that the MTC device in the connected state initiates a new service request. When a new service request is to be initiated, the initiation operation of the new service request is not performed.
  • Step 205 After the MME resumes the normal working state after a period of time, the MME sends an Overload Stop signaling to all base stations (including the base station 1) connected to the MME;
  • the instruction information for initiating the service request is prohibited, or the indication information for prohibiting the initiation of the service request in the current system message is replaced with the indication information for allowing the service request to be initiated, or the value of the indication information for prohibiting the initiation of the service request in the current system message is modified to "False", update the current system message, and broadcast the updated system message to the MTC device;
  • Step 207 After receiving the system message, the RRC layer of the MTC device transmits the system message to the NAS of the MTC device, and the NAS of the MTC device updates the system message saved by itself, and initiates a corresponding service request when there is a new service requirement.
  • the process of initiating a service request by the MTC device is as follows: Since the MTC device is in the connected state at this time, the upper layer of the MTC device sends the NAS signaling of the service request to the RRC layer, and sends the NAS signaling to the base station 1 through uplink information transmission (UL Information Transfer). And then sent by the base station 1 to the MME. When the resource is permitted, the MME will configure the parameters of the newly requested service so that the MTC device establishes a new service.
  • the embodiment is also applicable to a Wideband Code Division Multiple Access (WCDMA) system, and the implementation process is basically the same.
  • WCDMA Wideband Code Division Multiple Access
  • the system message is sent by the radio network controller, specifically, The wireless network controller sets, in its system message, information for prohibiting the MTC device in the connected state from initiating a new service request.
  • the MTC device After receiving the system message, the MTC device transmits the information to the upper layer of the MTC device, and the MTC device does not initiate a new message again.
  • the service request can prevent the MTC device from initiating new services to increase the load of the core network.
  • the ⁇ 2 ⁇ device is taken as an example.
  • the device is in a connected state.
  • the device initiates a service request process, as shown in FIG. The steps can be included:
  • Step 301 Since the plurality of MTC devices and the ⁇ 2 ⁇ device access the network, causing the base station 2 to be overloaded, the base station 2 decides to restrict access to the new terminal, and prohibits the terminal in the connected state from re-initiating the allowable delay. Late business.
  • Step 302 The base station 2 adds information for instructing the H2H device to initiate the allowed delay service, updates the system message to be broadcasted, and broadcasts the updated system message to each H2H device in the connected state.
  • the information for indicating that the H2H device is prohibited from initiating the allowed delay service may be specifically used to indicate that the H2H device is prohibited from initiating a restriction factor (BarringFactor) for allowing the delayed service, and/or the H2H device is prohibited from initiating the time limit (BarringTime) for allowing the delayed service.
  • a restriction factor BarringFactor
  • BarringTime the time limit
  • Step 303 The RRC layer of the H2H device receives the system message, and the received indication prohibits the H2H device from transmitting information for allowing the delayed service to be saved to its own NAS.
  • Step 304 When the NAS of the H2H device initiates a service request, according to the system message, the information about the prohibition of the H2H device from initiating the allowed delay service is performed, and the initiation operation of the service is performed or not.
  • the detected system message includes information indicating that the H2H device is prohibited from initiating the allowed delay service, and accordingly, the initiation operation of the allowed delay service is performed or not:
  • the H2H device If the upper layer of the H2H device only obtains the limiting factor, the H2H device generates a random value, usually taking a random value between 0 and 1. If the random value is less than the limiting factor, the H2H device may initiate a new allowed delay service request; If the random value is greater than or equal to the limiting factor, the H2H device cannot initiate a service request for delaying the service.
  • the H2H device If the upper layer of the H2H device obtains the limiting factor and the limiting time, the H2H device generates a random value, usually taking a random value between 0 and 1. If the random value is less than the limiting factor, the H2H device may initiate a new allowed delay service. If the random value is greater than or equal to the limiting factor, the H2H device cannot immediately initiate a new allowed delay service request, and the terminal needs to wait for a period of time equal to the limited time before the service request for allowing the delayed service can be initiated.
  • the H2H device needs to initiate the allowable delay. In the case of a late service, it is necessary to wait for a period of time equal to the limited time before a new service request can be initiated; or the H2H device generates a random value between 0 and the limited time, and the waiting time is equal to the random value for a period of time. After that, a new business request can be initiated.
  • This embodiment is equally applicable to an MTC device and an H2H device in an idle state.
  • This embodiment describes a scenario in which the initiating of the allowed service is prohibited.
  • restricting other services such as prohibiting the initiation of low-priority services, prohibiting the initiation of multimedia voice services (MMTEL-Voice), and prohibiting the initiation of multimedia video services (MMTEL-Video).
  • MMTEL-Voice prohibiting the initiation of multimedia voice services
  • MMTEL-Video multimedia video services
  • the MTC device is used as an example.
  • the MTC device accesses the network through the base station 3, the MTC device is in a connected state.
  • the process of initiating a service request by the MTC device is controlled, as shown in FIG. The steps can be included:
  • Step 401 The MME sends an Overload Start signaling to all the base stations (including the base station 3) connected to it, and the eNB prohibits all the MTC devices from being blocked by the MTC device and the H2H device. Initiate a new business.
  • Step 402 After receiving the overload start signaling sent by the MME, the base station 3 parses the overload start signaling to obtain load information of the MME.
  • Step 403 The base station 3 sends the RRC signaling after adding a cell for instructing all the MTC devices to initiate a service request to the RRC signaling sent by the MTC device in the connected state according to the acquired load information. Give each MTC device in the connected state;
  • the RRC signaling may be specifically an RRC connection reconfiguration, a downlink information delivery signaling, and an RRC connection re-establishment signaling.
  • Step 404 After receiving the RRC signaling, the RRC layer of the MTC device transmits the RRC signaling to its own NAS, and the NAS of the MTC device parses the RRC signaling to obtain the indication that all MTCs are prohibited. The device initiates the request for the cell and saves it. When the request is made, it is detected that there is a cell for instructing all the MTC devices to initiate a service request, and the initiating operation of the new service request is not performed.
  • This embodiment is also applicable to the case of prohibiting the initiation of the low-priority service, or the prohibition of the initiation of the allowed service, or the prohibition of the designated terminal from initiating the specified service.
  • the specific implementation process is the same as the above process, except that the RRC signaling is added.
  • the cells are different and will not be described here.
  • the MTC device is used as an example.
  • the process of controlling the MTC device to initiate a service request may specifically include the following. Steps:
  • Step 1 The number of the MTC device and the H2H device that accesses the network is large, and the MME that is connected to the MD1 reaches the predetermined threshold.
  • the MME decides to implement the overload control.
  • the MME sends the NAS signaling to the MTC device in the connected state, and adds a cell for instructing all the MTC devices to initiate the service request in the NAS signaling;
  • Step 2 After receiving the NAS signaling sent by the MME, the base station of the MTC device forwards the NAS signaling to the MTC device.
  • Step 3 After receiving the NAS signaling, the NAS of the MTC device parses and obtains the cell for instructing all the MTC devices to initiate a service request, and saves the message.
  • the NAS of the MTC device parses and obtains the cell for instructing all the MTC devices to initiate a service request, and saves the message.
  • the presence is detected.
  • the MME may set a message for prohibiting all MTC devices from initiating a service request in an existing NAS signaling such as a Service Reject, a Tracking Area Update Accept, or a Notification.
  • the element then transmits the NAS signaling to the MTC device through the base station.
  • This embodiment is also applicable to prohibiting the initiation of low priority services, or prohibiting the initiation of allowed delays.
  • the specific implementation process is the same as the above process. It should be noted that the features of the embodiments and the embodiments of the present invention may be combined with each other without conflict.

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  • Mobile Radio Communication Systems (AREA)

Abstract

本发明公开了一种控制终端发起业务的方法，所述方法包括：基站向处于连接态的终端发送禁止发起业务的指示信息；所述处于连接态的终端根据所述禁止发起业务的指示信息，执行或不执行业务的发起操作。本发明还公开了一种控制终端发起业务的系统，能够有效控制处于连接态的终端发起新业务，避免处于过载状态的网络侧由于连接态终端发起新业务而加重负载，从而有效控制网络侧的负载状况。

Description

控制终端发起业务的方法及系统 技术领域
本发明涉及移动通信领域， 更具体地， 涉及一种控制终端发起业务的 方法及系统。 背景技术
人与人之间的通信（H2H, Human to Human )是人通过对设备的操作 进行通信， 现有无线通信技术是基于 H2H的通信发展起来的。 而机器对机 器（M2M, Machine to Machine )狭义上的定义是机器到机器的通信， 广义 上的定义是以机器终端智能交互为核心的、 网络化的应用与服务。 它是基 于智能机器终端， 以多种通信方式为接入手段， 为客户提供的信息化解决 方案， 用于满足客户对监控、 指挥调度、 数据采集和测量等方面的信息化 需求。
无线技术的发展是 M2M市场发展的重要因素，它突破了传统通信方式 的时空限制和地域障碍， 使企业和公众摆脱了线缆束缚， 让客户更有效地 控制成本、 降低安装费用并且使用简单方便。 另外， 日益增长的需求推动 着 M2M不断向前发展，然而与信息处理能力及网络带宽不断增长相矛盾的 是， 信息获取的手段远远落后， 而 M2M很好的满足了人们的这一需求， 通 过它人们可以实时监测外部环境， 实现大范围、 自动化的信息采集。 因此， M2M的应用包括行业应用、 家庭应用、 个人应用等， 其中， 行业应用包括 交通监控、 告警系统、 海上救援、 自动售货机、 开车付费等， 家庭应用包 括自动抄表、 温度控制等， 个人应用包括生命检测、 远端诊断等。
M2M的对象为机器对机器、 人对机器， 一个或多个机器之间的数据通 信定义为机器类通信（MTC, Machine Type Communication ), 这种情况下 较少需要人机互动。 参与 MTC 的机器为 MTC设备或 MTC终端 （MTC Device )。 MTC设备可以通过公众陆地移动通信网络（ PLMN, Public Land Mobile-communication Network )与其他 MTC设备或 MTC服务器进行通信。
？！入 MTC应用后， 可以根据其特点对现有的通信系统进行一些优化， 以满足 MTC应用需求， 并且对现有网络中的普通 UE ( User Equipment )不 产生影响。 M2M应用的一些显著特点有： MTC设备数量很多， 每次传输 的数据量小， 传输间隔大， 部分 MTC设备位置相对固定。 据统计， 在伦敦 市区一个小区范围内安装的 MTC设备将达到 3000个，这么多的 MTC设备 如果比较集中的发起随机接入， 如在火灾、 地震等情况下同时报警， 将给 网络带来很大的沖击。 通常多个基站会连接到同一个核心网网元如移动性 管理实体（ MME, Mobility Management Entity ), 当所有基站内的众多 MTC 设备均需要接入网络时， 例如断电后， 恢复供电时所有的 MTC设备需要注 册到网络中， MME将承受巨大的信令沖击， 可能导致过载。 现有协议针对 核心网过载问题引入了针对 MTC设备的过载控制机制， MME在探测到负 载达到预定门限时， 向基站发送过载开始（Overload Start )信令， 请求基站 拒绝新的 MTC设备接入网络， 防止新的 MTC设备发送的非接入层（ NAS, Non Access Stratum )信令再次发送到 MME进而加重其负载。 另一方面， 众多的 MTC设备通过基站接入网络， 也会引发基站的过载。 然而根据现有 技术， 基站只会在 MTC设备发起无线资源控制 （RRC, Radio Resource Control )连接请求时拒绝其接入， 当 MTC设备已经处于连接状态时再次发 起新的业务请求， 基站便不能阻止 MTC设备的新业务请求， 而如此， 就会 有针对该新业务请求的 NAS信令通过基站发送给 MME, 将同时加重基站 和 MME的负载， 因此， 有必要对处于连接态的 MTC设备发起新业务请求 进行控制， 以便能够减轻基站和 MME的负载。 发明内容
有鉴于此， 本发明的主要目的在于提供一种控制终端发起业务的方法 及系统， 以解决由于处于连接态的终端发起新业务请求而加重基站和 MME 负载的问题。
为达到上述目的， 本发明的技术方案是这样实现的：
本发明提供了一种控制终端发起业务的方法， 所述方法包括： 处于连 接态的终端接收基站发送的禁止发起业务的指示信息； 所述处于连接态的 终端根据所述禁止发起业务的指示信息， 执行或不执行业务的发起操作。
在上述方案中， 所述处于连接态的终端接收基站发送的禁止发起业务 的指示信息， 包括： 所述基站获取自身的负载信息、 和 /或与自身连接的 MME的负载信息， 并根据所获取的负载信息， 向处于连接态的终端发送禁 止发起业务的指示信息。
在上述方案中， 所述基站获取 MME的负载信息， 为： 基站接收 MME 发送的过载开始信令， 并对接收到的过载开始信令进行解析， 得到所述 MME的负载信息。
在上述方案中， 所述处于连接态的终端接收基站发送的禁止发起业务 的指示信息， 为： 所述处于连接态的终端接收基站广播的、 设置有禁止发 起业务的指示信息的系统消息（System Information ); 或者， 所述处于连接 态的终端接收基站发送的无线资源控制 （RRC ), 该无线资源控制 （RRC ) 设置有用于表示所述禁止发起业务信息的信元。
在上述方案中， 所述处于连接态的终端根据所述禁止发起业务的指示 信息， 执行或不执行业务的发起操作， 为： 所述处于连接态终端的 RRC层 将所述禁止发起业务的指示信息传递到所述终端的 NAS保存， 并在要发起 业务时，所述终端的 NAS检测是否存在所述禁止发起业务请求的指示信息， 如果存在， 则根据所述指示信息， 执行或不执行业务的发起操作； 如果不 存在， 则执行业务的发起操作。
在上述方案中， 所述处于连接态的终端接收基站发送的禁止发起业务 的指示信息， 包括： 所述基站接收 MME发送的携带有所述禁止发起业务的 指示信息的 NAS信令， 并将所述 NAS信令转发给处于连接态的终端； 所 述处于连接态终端的 NAS接收所述 NAS信令。
在上述方案中， 所述处于连接态的终端根据所述禁止发起业务的指示 信息， 执行或不执行业务的发起操作， 为： 所述处于连接态终端的 NAS保 存所述禁止发起业务的指示信息， 并在要发起业务时， 检测是否存在所述 禁止发起业务请求的指示信息， 如果存在， 则根据所述指示信息， 执行或 不执行业务的发起操作； 如果不存在， 则执行业务的发起操作。
在上述方案中， 所述方法包括： 所述处于连接态的终端接收基站发送 的用于指示禁止发起指定业务的信息、 或用于指示禁止指定终端发起任意 业务的信息、 或用于指示禁止指定终端发起指定业务的信息； 所述处于连 接态的终端根据所述用于指示禁止发起指定业务请求的信息、 或用于指示 禁止指定终端发起任意业务的信息、 或用于指示禁止指定终端发起指定业 务的信息， 执行或不执行业务的发起操作。
在上述方案中， 所述方法包括： 所述处于连接态的终端接收基站发送 的用于指示禁止发起业务的限制因子和 /或限制时间； 所述处于连接态的终 端根据所述限制因子和 /或限制时间， 执行或不执行业务的发起操作。
本发明还提供了一种终端， 所述终端， 用于接收基站发送的禁止发起 业务的指示信息， 并根据所接收到的禁止发起业务的指示信息， 执行或不 执行业务的发起操作。
在上述方案中， 所述终端为 H2H设备、 和 /或 MTC设备。
本发明还提供了一种控制终端发起业务的系统， 所述系统包括： 基站 和终端， 其中， 所述基站与所述终端已建立连接， 基站， 用于向所述终端 发送禁止发起业务的指示信息； 终端， 用于接收所述基站发送的禁止发起 业务的指示信息， 并根据所接收到的禁止发起业务的指示信息， 执行或不 执行业务的发起操作。
在上述方案中， 所述终端为 H2H设备、 和 /或 MTC设备。
在上述方案中， 所述基站， 用于获取自身的负载信息、 和 /或与自身连 接的 MME的负载信息，并根据所获取的负载信息，向所述终端发送禁止发 起业务的指示信息。
在上述方案中， 所述系统还包括： MME, 与所述基站连接， 用于在自 身过载时，向所述基站发送过载开始信令；所述基站，还用于接收所述 MME 发送的过载开始信令， 并对接收到的过载开始信令进行解析， 获取所述 MME的负载信息。
在上述方案中， 所述 MME, 还用于向所述基站发送携带有所述禁止发 起业务的指示信息的 NAS信令； 所述基站， 还用于接收所述 MME发送的 NAS信令并转发给所述终端。
本发明所提供的控制终端发起业务的方案， 通过基站向处于连接态的 终端发送禁止发起业务的指示信息， 终端发起业务时， 需要根据所述禁止 发起业务的指示信息， 进行新业务的发起操作， 能够控制处于连接态的终 端发起新业务， 避免处于过载状态的基站和核心网由于连接态终端发起新 业务而加重负载， 从而有效控制网络侧的负载状况， 有助于网络侧顺利恢 复正常状态。 附图说明
图 1为本发明控制终端发起业务方法的实现流程图；
图 2为本发明实施例一的控制 MTC设备发起业务过程的实现流程图； 图 3为本发明实施例二的控制 H2H设备发起业务过程的实现流程图； 图 4为本发明实施例三的控制 MTC设备发起业务过程的实现流程图。 具体实施方式
本发明的基本思想是： 基站根据自身的负载状况、 和 /或 MME的负载 状况， 向处于连接态的终端发送禁止发起业务请求的信息， 所述处于连接 态的终端接收该禁止发起业务请求的信息， 并根据该禁止发起业务请求的 信息， 进行业务请求的发起， 如此， 便能够根据当前网络的负载状况， 有 效控制处于连接态的终端发起业务请求， 避免在网络侧过载时加重其负载。
本发明控制终端发起业务的方法， 参照图 1所示， 主要包括以下步驟： 步驟 101 : 处于连接态的终端接收基站发送的禁止发起业务的指示信 步驟 102: 所述处于连接态的终端根据所述禁止发起业务的指示信息， 执行或不执行业务的发起操作。
具体地， 所述基站获取自身的负载信息、 和 /或与自身连接的 MME的 负载信息， 并根据所获取的负载信息， 向处于连接态的终端发送禁止发起 业务的指示信息。
这里， 基站可以通过测量获取自身的负载信息， 可以通过接收 MME 发送的过载开始信令， 并对接收到的过载开始信令进行解析， 得到所述 MME的负载信息。
这里， 所述负载信息可以包括硬件处理负载信息、 软件处理负载信息、 基站和 MME之间接口的传输负载信息等。
这里， 所述处于连接态的终端接收基站发送的禁止发起业务的指示信 息， 可以为： 所述处于连接态的终端接收基站广播的、 设置有禁止发起业 务的指示信息的系统消息（System Information ); 或者， 所述处于连接态的 终端接收基站发送的无线资源控制 （RRC ), 该无线资源控制 （RRC )设置 有用于表示所述禁止发起业务信息的信元。
其中， 所述基站在系统消息中设置禁止发起业务的指示信息， 向所述 处于连接态的终端广播所述系统消息； 或者， 所述基站通过在 RRC信令设 置用于表示所述禁止发起业务信息的信元并发送给所述终端。 这里， 所述 RRC信令具体可以是 RRC连接重配置、和 /或下行信息传递信令、和 /或 RRC 连接重建信令。
实际应用中， 基站可以在所述系统消息中设置指定业务的标识信息、 以及取值为 True的禁止发起业务的指示信息， 通知终端停止发起指定业务 的业务请求。这里，所述指定业务可以包括所述 MME负载信息中指示过载 的部分业务、 和 /或基站根据自身的负载信息， 确定的禁止发起的业务。 所 述指定业务的标识信息具体可以是所述指定业务的名称、 优先级标识等信 这里， 所述处于连接态的终端根据所述禁止发起业务的指示信息， 执 行或不执行业务的发起操作， 具体为： 所述处于连接态终端的 RRC层接收 所述基站发送的禁止发起业务的指示信息并传递到所述终端的 NAS保存， 并在要发起业务时， 所述终端的 NAS检测是否存在所述禁止发起业务请求 的指示信息， 如果存在， 则根据所述指示信息， 执行或不执行业务的发起 操作； 如果不存在， 则执行业务的发起操作。
具体地， 所述处于连接态的终端接收基站发送的禁止发起业务的指示 信息，还可以是： 所述基站接收 ΜΜΕ发送的携带有所述禁止发起业务的指 示信息的 NAS信令， 并将所述 NAS信令转发给处于连接态的终端。 所述 处于连接态终端的 NAS接收所述 NAS信令。
这里， 所述处于连接态的终端根据所述禁止发起业务的指示信息， 执 行或不执行业务的发起操作， 具体为： 所述处于连接态终端的 NAS接收所 述基站发送的禁止发起业务的指示信息并保存， 并在要发起业务时， 所述 终端的 NAS检测是否存在所述禁止发起业务请求的指示信息， 如果存在， 则根据所述指示信息， 执行或不执行业务的发起操作； 如果不存在， 则执 行业务的发起操作。
这里， 所述方法可以包括： 所述处于连接态的终端接收基站发送的用 于指示禁止发起指定业务（barring for originating calls ) 的信息、 或用于指 示禁止指定终端发起任意业务的信息、 或用于指示禁止指定终端发起指定 业务的信息； 并根据所述用于指示禁止发起指定业务请求的信息、 或用于 指示禁止指定终端发起任意业务的信息、 或用于指示禁止指定终端发起指 定业务的信息， 执行或不执行业务的发起操作。
这里， 所述方法还可以包括： 所述处于连接态的终端接收基站发送的 用于指示禁止发起业务的限制因子和 /或限制时间； 所述处于连接态的终端 根据所述限制因子和 /或限制时间， 执行或不执行业务的发起操作。
实际应用中， 如果指示信息是禁止指定终端发起任意业务的信息， 则 对于指定终端， 不执行新业务的发起； 对于非指定终端， 执行新业务的发 起。
如果指示信息是禁止指定终端发起指定业务的信息， 则对于指定终端， 不执行指定业务的发起， 可以执行非指定业务的发起； 对于非指定终端， 可以执行任意业务的发起。
如果指示信息是禁止发起任意业务的限制因子， 则终端会生成一个随 机值， 如果该随机值小于所述限制因子， 则终端可以执行任意业务的发起； 如果该随机值大于或等于所述限制因子， 则终端不执行任意业务的发起。
如果指示信息是禁止发起任意业务的限制因子和限制时间， 则终端需 要生成一个随机值， 如果该随机值小于所述限制因子， 则终端可以执行任 意业务的发起； 如果该随机值大于或等于所述限制因子， 终端需要等待时 长等于限制时间的一段时间后， 才能执行新业务的发起。
如果指示信息是禁止发起业务的限制时间， 终端在需要发起新的业务 请求时， 等待时长等于限制时间的一段时间后， 才能执行新业务的发起。 例如， 所述指定业务可以是高优先级业务（high Priority Access ), 和 / 或紧急业务（ Emergency ), 和 /或因寻呼而发起的业务（ mt-Access ), 和 /或 用户发起的信令业务 （ mo-Signalling )、 和 /或用户发起的数据业务 ( mo-Data )、 和 /或低优先级业务、 和 /或允许延迟的业务、 和 /或多媒体语音 业务、 和 /或多媒体视频业务。
实际应用中， 基站还可以在所述系统消息中设置指定终端的标识信息、 以及取值为 True的禁止发起业务的指示信息， 通知指定终端停止发起新的 业务请求。 目前， 存在两种类型的终端： MTC设备和 H2H设备， 基站可以 指示禁止所有 MTC设备发起业务， 也可以通过在所述系统消息设置 MTC 设备的一个或多个组标识， 来指示禁止一组或多组 MTC设备发起新的业 务。 所述指定终端还可以是低优先级的终端、 或高优先级的终端、 或正常 优先级的终端， 具体地， 对于不同的终端， 可以预先设定终端的优先级并 写入终端中， 如对于 H2H设备， 其优先级设定为高优先级的； 对于电子抄 表类 MTC设备， 其优先级设定为低优先级； 对于监控类的 MTC设备， 其 优先级设定为正常优先级、 或高优先级。
实际应用中， 基站还可以在所述系统消息中设置指定终端的标识信息、 指定业务的标识信息、 以及取值为 True的禁止发起业务的指示信息， 通知 指定终端停止发起指定业务的业务请求。 例如， 基站可以禁止某种优先级 的终端发起业务请求， 或者禁止某种优先级的终端发起指定优先级业务的 业务请求， 如基站可以禁止低优先级终端发起允许延迟业务的业务请求， 或者广播禁止一组或多组终端发起指定优先级业务的信息。 在终端的全球 用户身份模块（ USIM, Universal Subscriber Identity Module ) 中保存着该终 端的接入等级（ Access Class ),基站可以禁止某种接入等级终端发起业务请 求， 或者禁止某种接入等级终端发起指定优先级业务的业务请求。
相应的， 本发明还提供了一种终端， 所述终端处于连接态， 所述终端 用于接收基站发送的禁止发起业务的指示信息， 并根据所接收到的禁止发 起业务的指示信息， 执行或不执行业务的发起操作。
具体地， 所述终端可以为 H2H设备、 和 /或 MTC设备。
相应的， 本发明还提供了控制终端发起业务的系统， 该系统主要可以 包括： 基站和上述的终端， 其中， 所述基站与所述终端已建立连接， 所述 基站用于向所述终端发送禁止发起业务的指示信息。
其中， 所述基站用于， 获取自身的负载信息、 和 /或与自身连接的 MME 的负载信息， 并根据所获取的负载信息， 向所述终端发送禁止发起业务的 指示信息。
这里， 所述系统还包括： MME, 与所述基站连接， 用于在自身过载时， 向所述基站发送过载开始信令； 所述基站，还用于接收所述 MME发送的过 载开始信令，并对接收到的过载开始信令进行解析，获取所述 MME的负载 信息。
这里， 所述 MME, 还可以用于向所述基站发送携带有所述禁止发起业 务的指示信息的 NAS信令； 所述基站， 还可以用于接收所述 MME发送的 NAS信令并转发给所述终端。
实施例一
本实施例以 MTC设备为例进行说明， 在长期演进（LTE, Long-Term Evolution ) 系统中， MTC设备通过基站 1接入网络并处于连接状态， 本实 施例中控制 MTC设备发起业务请求的过程， 如图 2所示， 具体可以包括以 下步驟：
步驟 201： 由于众多 MTC设备和 H2H设备接入网络， 引起 MME负载 超过预定门限， MME向自身连接的所有基站（包括基站 1 )发送过载开始 ( Overload Start )信令， 要求自身连接的所有基站禁止所有 MTC设备发起 新业务。 步驟 202: 基站 1接收到所述 MME发送的过载开始信令后， 对所述过 载开始信令进行解析， 获取所述 MME的负载信息；
步驟 203: 基站 1根据所获取的负载信息，在系统消息中增加用于指示 禁止所有 MTC设备发起业务请求的信息， 更新当前要广播的所述系统消 息， 并将更新后的系统消息广播给处于连接态的各 MTC设备；
这里，用于指示禁止所有 MTC设备发起业务请求的信息具体可以是取 值为 True或 False的指示信息， 可以预先设置， 取值为 True时， 所述信息 表示禁止所有 MTC设备发起业务请求， 取值为 False时， 所述信息表示允 许所有 MTC设备发起业务请求。
具体地，基站 1通过系统消息广播所述禁止处于连接态的 MTC设备发 起新业务请求的信息， 可以避免 MTC设备发起新的业务增加核心网的负 载。
这里， 如果需要同时控制处于空闲态的各 MTC设备发起业务请求， 基 站 1 可以在处于空闲态的 MTC 设备向自身发送 RRC 连接请求 （RRC Connection Request )后， 向其反馈 RRC连接拒绝 ( RRC Connection Reject ) 信令， 拒绝其接入， 从而控制处于空闲态的 MTC设备发起业务请求。
步驟 204: 各 MTC设备的 RRC层接收所述基站 1广播的系统消息， 并将所述系统消息中包含的禁止处于连接态的 MTC设备发起新业务请求 的信息传递到所述 MTC设备的 NAS, MTC设备的 NAS保存禁止处于连接 态的 MTC设备发起新业务请求的信息， 在要发起新业务请求时， 据此， 不 执行该新业务请求的发起操作。
步驟 205: 过一段时间后， MME恢复正常的工作状态后， MME向自 身连接的所有基站（包括基站 1 )发送过载停止（ Overload Stop )信令； 步驟 206: 基站 1接收所述过载停止信令，对所述过载停止信令进行解 析， 得到所述 MME的负载信息， 根据所述负载信息，删除当前系统消息中 的禁止发起业务请求的指示信息， 或者将当前系统消息中的禁止发起业务 请求的指示信息替换成允许发起业务请求的指示信息， 或者将当前系统消 息中禁止发起业务请求的指示信息取值修改为 "False" , 更新当前的系统消 息， 并将更新后的系统消息广播给 MTC设备；
步驟 207: MTC设备的 RRC层接收到所述系统消息后， 向 MTC设备 的 NAS传递该系统消息， MTC设备的 NAS更新自身保存的系统消息， 在 有新业务需求时发起相应的业务请求。
这里， 所述 MTC设备发起业务请求的过程如下： 由于 MTC设备此时 处于连接态， MTC设备的上层向 RRC层发送业务请求的 NAS信令， 通过 上行信息传递（ UL Information Transfer )发送给基站 1 , 再由基站 1发送给 MME, 在资源许可的情况下， MME将配置新请求业务的参数以便 MTC设 备建立新的业务。
本实施例同样适用于宽带码分多址（ WCDMA, Wideband Code Division Multiple Access ) 系统， 实现过程基本相同， 所不同是， 在 WCDMA系统， 发送所述系统消息的是无线网络控制器， 具体地， 无线网络控制器在其系 统消息中设置禁止处于连接态的 MTC设备发起新业务请求的信息， MTC 设备收到系统消息后， 将该信息传递给 MTC设备的上层， MTC设备就不 会再次发起新的业务请求，这样可以避免 MTC设备发起新的业务增加核心 网的负载。
实施例二
本实施例以 Η2Η设备为例进行说明 ,在 LTE系统中 , Η2Η设备通过基 站 2接入网络后， 处于连接状态， 本实施例中控制 Η2Η设备发起业务请求 的过程， 如图 3所示， 具体可以包括以下步驟：
步驟 301 :由于众多 MTC设备和 Η2Η设备接入网络，引起基站 2过载， 基站 2 决定限制接入新的终端、 以及禁止处于连接态的终端再发起允许延 迟的业务。
步驟 302: 基站 2在其系统消息中增加用于指示禁止 H2H设备发起允 许延迟业务的信息， 更新当前要广播的系统消息， 并将更新后的系统消息 广播给处于连接态的各 H2H设备；
这里， 用于指示禁止 H2H设备发起允许延迟业务的信息具体可以用于 指示禁止 H2H设备发起允许延迟业务的限制因子（ BarringFactor )、和 /或禁 止 H2H设备发起允许延迟业务的限制时间 （ BarringTime )。
步驟 303: H2H设备的 RRC层接收所述系统消息， 将所接收到的指示 禁止 H2H设备发起允许延迟业务的信息传递到自身的 NAS保存。
步驟 304: H2H设备的 NAS要发起业务请求时， 根据系统消息中包含 有用于指示禁止 H2H设备发起允许延迟业务的信息， 执行或不执行所述业 务的发起操作。
具体地， H2H设备的 NAS要发起允许延迟业务请求时， 检测到保存 的系统消息中包含有用于指示禁止 H2H设备发起允许延迟业务的信息， 据 此， 执行或不执行允许延迟业务的发起操作：
如果该 H2H设备的上层仅获得限制因子， H2H设备生成一个随机值， 通常取 0到 1之间的随机值， 如果该随机值小于限制因子， 则 H2H设备可 以发起新的允许延迟业务请求；如果该随机值大于或等于限制因子，则 H2H 设备不能发起延迟业务的业务请求。
如果该 H2H设备的上层获得了限制因子和限制时间， H2H设备生成一 个随机值， 通常取 0到 1之间的随机值， 如果该随机值小于限制因子， 则 H2H设备可以发起新的允许延迟业务请求； 如果该随机值大于或等于限制 因子， 则 H2H设备不能立即发起新的允许延迟业务请求， 终端需要等待时 长等于限制时间的一段时间后 , 才能发起允许延迟业务的业务请求。
如果该 H2H设备的上层仅获得限制时间， H2H设备在需要发起允许延 迟的业务时， 需要等待时长等于限制时间的一段时间后， 才能发起新的业 务请求； 或者 H2H设备生成的是 0到限制时间之间的一个随机值， 需要等 待时长等于该随机值的一段时间后， 才能发起新的业务请求。
本实施例同样适用于 MTC设备、 以及处于空闲态的 H2H设备。 本实 施例描述了禁止发起允许延迟业务的场景， 对于限制其他业务， 如禁止发 起低优先级业务、 禁止发起多媒体语音业务（MMTEL- Voice )、 禁止发起多 媒体视频业务（ MMTEL- Video )等的场景， 具体实现过程与上述过程相似， 实施例三
本实施例以 MTC设备为例进行说明 , 在 LTE系统中 , MTC设备通过 基站 3接入网络后， 处于连接状态， 本实施例中控制 MTC设备发起业务请 求的过程， 如图 4所示， 具体可以包括以下步驟：
步驟 401： 由于众多 MTC设备和 H2H设备接入网络， 引起 MME负载 超过预定门限， MME向自身连接的所有基站（包括基站 3 )发送过载开始 ( Overload Start ) 的信令， 要求基站禁止所有 MTC设备发起新业务。
步驟 402: 基站 3接收到所述 MME发送的过载开始信令后， 对所述过 载开始信令进行解析， 获取所述 MME的负载信息；
步驟 403: 基站 3根据所获取的负载信息， 在要向处于连接态的 MTC 设备发送的 RRC信令中增加用于指示禁止所有 MTC设备发起业务请求的 信元后， 将所述 RRC信令发送给处于连接态的各 MTC设备；
这里， 所述 RRC信令具体可以是 RRC连接重配置、 下行信息传递信 令、 RRC连接重建信令。
步驟 404: MTC设备的 RRC层接收到所述 RRC信令后， 将所述 RRC 信令传递到自身的 NAS, MTC设备的 NAS从所述 RRC信令中解析得到所 述用于指示禁止所有 MTC设备发起业务请求的信元并保存，在要发起新业 务请求时， 检测到存在用于指示禁止所有 MTC设备发起业务请求的信元， 不执行所述新业务请求的发起操作。
本实施例同样适用于禁止发起低优先级业务、 或禁止发起允许延迟业 务、 或禁止指定终端发起指定业务的情况， 具体实现过程与上述过程相同， 所不同的是， 所述 RRC信令增加的信元不同， 在此不再赘述。
实施例四
本实施例以 MTC设备为例进行说明 ,在 LTE系统中 , MTC设备（ MD1 ) 通过基站 3接入网络后， 处于连接状态， 本实施例中控制 MTC设备发起业 务请求的过程， 具体可以包括以下步驟：
步驟 1 :由于接入网络的 MTC设备和 H2H设备数量众多，导致为 MD1 所接入的 MME负载达到预定门限， 该 MME决定实施过载控制， 为了防止 处于连接态的 MTC设备再次发起新的业务， MME向处于连接态的 MTC 设备发送 NAS信令，在 NAS信令中增加用于指示禁止所有 MTC设备发起 业务请求的信元；
步驟 2: 所述 MTC设备的基站接收到 MME发送的 NAS信令后，转发 给所述 MTC设备；
步驟 3： MTC设备的 NAS接收到所述 NAS信令后， 从中解析得到所 述用于指示禁止所有 MTC设备发起业务请求的信元并保存，在要发起新业 务请求时， 检测到存在用于指示禁止所有 MTC设备发起业务请求的信元， 不执行所述新业务请求的发起操作。
上述过程中， MME 可以在现有的 NAS 信令如服务拒绝 （Service Reject ) , 位置区更新接 ( Tracking Area Update Accept ) , 或通知 ( Notification )等中， 设置禁止所有 MTC设备发起业务请求的信元， 然后 通过基站将所述 NAS信令发送到 MTC设备。
本实施例同样适用于禁止发起低优先级业务、 或禁止发起允许延迟业 务、 或禁止指定终端发起指定业务的情况， 具体实现过程与上述过程相同。 需要说明的是， 在不沖突的情况下， 本发明中的各实施例及实施例中 的特征可以相互组合。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围， 凡在本发明的精神和原则之内所作的任何修改、 等同替换和改进 等， 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、 一种控制终端发起业务的方法， 其特征在于， 所述方法包括： 处于连接态的终端接收基站发送的禁止发起业务的指示信息； 所述处于连接态的终端根据所述禁止发起业务的指示信息， 执行或不 执行业务的发起操作。
2、 根据权利要求 1所述的控制终端发起业务的方法， 其特征在于， 所 述处于连接态的终端接收基站发送的禁止发起业务的指示信息， 包括： 所述基站获取自身的负载信息、 和 /或与自身连接的移动性管理实体 ( MME ) 的负载信息， 并根据所获取的负载信息， 向处于连接态的终端发 送禁止发起业务的指示信息。
3、 根据权利要求 2所述的控制终端发起业务的方法， 其特征在于， 所 述基站获取 MME的负载信息， 为： 基站接收 MME发送的过载开始信令， 并对接收到的过载开始信令进行解析， 得到所述 MME的负载信息。
4、 根据权利要求 1至 3任一项所述的控制终端发起业务的方法， 其特 征在于， 所述处于连接态的终端接收基站发送的禁止发起业务的指示信息， 为： 所述处于连接态的终端接收基站广播的、 设置有禁止发起业务的指示 信息的系统消息（ System Information ); 或者， 所述处于连接态的终端接收 基站发送的无线资源控制 （RRC ), 该无线资源控制 （RRC )设置有用于表 示所述禁止发起业务信息的信元。
5、 根据权利要求 4所述的控制终端发起业务的方法， 其特征在于， 所 述处于连接态的终端根据所述禁止发起业务的指示信息， 执行或不执行业 务的发起操作， 为： 所述处于连接态终端的 RRC层将所述禁止发起业务的 指示信息传递到所述终端的非接入层（NAS )保存， 并在要发起业务时， 所述终端的 NAS检测是否存在所述禁止发起业务请求的指示信息， 如果存 在， 则根据所述指示信息， 执行或不执行业务的发起操作； 如果不存在， 则执行业务的发起操作。
6、 根据权利要求 1所述的控制终端发起业务的方法， 其特征在于， 所 述处于连接态的终端接收基站发送的禁止发起业务的指示信息， 包括： 所述基站接收 MME 发送的携带有所述禁止发起业务的指示信息的 NAS信令， 并将所述 NAS信令转发给处于连接态的终端；
所述处于连接态终端的 NAS接收所述 NAS信令。
7、 根据权利要求 6所述的控制终端发起业务的方法， 其特征在于， 所 述处于连接态的终端根据所述禁止发起业务的指示信息， 执行或不执行业 务的发起操作， 为：
所述处于连接态终端的 NAS保存所述禁止发起业务的指示信息， 并在 要发起业务时， 检测是否存在所述禁止发起业务请求的指示信息， 如果存 在， 则根据所述指示信息， 执行或不执行业务的发起操作； 如果不存在， 则执行业务的发起操作。
8、 根据权利要求 1所述的控制终端发起业务的方法， 其特征在于， 所 述方法包括：
所述处于连接态的终端接收基站发送的用于指示禁止发起指定业务的 信息、 或用于指示禁止指定终端发起任意业务的信息、 或用于指示禁止指 定终端发起指定业务的信息；
所述处于连接态的终端根据所述用于指示禁止发起指定业务请求的信 息、 或用于指示禁止指定终端发起任意业务的信息、 或用于指示禁止指定 终端发起指定业务的信息， 执行或不执行业务的发起操作。
9、 根据权利要求 1所述的控制终端发起业务的方法， 其特征在于， 所 述方法包括： 所述处于连接态的终端接收基站发送的用于指示禁止发起业 务的限制因子和 /或限制时间；
所述处于连接态的终端根据所述限制因子和 /或限制时间， 执行或不执 行业务的发起操作。
10、 一种终端， 所述终端处于连接态， 其特征在于， 所述终端， 用于 接收基站发送的禁止发起业务的指示信息， 并根据所接收到的禁止发起业 务的指示信息， 执行或不执行业务的发起操作。
11、 根据权利要求 10所述的终端， 其特征在于， 所述终端为 H2H设 备、 和 /或 MTC设备。
12、 一种控制终端发起业务的系统， 其特征在于， 所述系统包括： 基 站和终端， 其中， 所述基站与所述终端已建立连接，
基站， 用于向所述终端发送禁止发起业务的指示信息；
终端， 用于接收所述基站发送的禁止发起业务的指示信息， 并根据所 接收到的禁止发起业务的指示信息， 执行或不执行业务的发起操作。
13、 根据权利要求 10所述的控制终端发起业务的系统， 其特征在于， 所述终端为 H2H设备、 和 /或 MTC设备。
14、 根据权利要求 12所述的控制终端发起业务的系统， 其特征在于， 所述基站， 用于获取自身的负载信息、 和 /或与自身连接的 MME的负载信 息， 并根据所获取的负载信息， 向所述终端发送禁止发起业务的指示信息。
15、 根据权利要求 14所述的控制终端发起业务的系统， 其特征在于， 所述系统还包括： MME, 与所述基站连接， 用于在自身过载时， 向所述基 站发送过载开始信令；
所述基站，还用于接收所述 MME发送的过载开始信令，并对接收到的 过载开始信令进行解析， 获取所述 MME的负载信息。
16、 根据权利要求 15所述的控制终端发起业务的系统， 其特征在于， 所述 MME,还用于向所述基站发送携带有所述禁止发起业务的指示信 息的 NAS信令；
所述基站，还用于接收所述 MME发送的 NAS信令并转发给所述终端。
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