CN102264036A - Offline terminal activating method and system, and machine type communication terminal - Google Patents

Offline terminal activating method and system, and machine type communication terminal Download PDF

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Publication number
CN102264036A
CN102264036A CN2010101885536A CN201010188553A CN102264036A CN 102264036 A CN102264036 A CN 102264036A CN 2010101885536 A CN2010101885536 A CN 2010101885536A CN 201010188553 A CN201010188553 A CN 201010188553A CN 102264036 A CN102264036 A CN 102264036A
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China
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line
mtc terminal
management unit
mobility management
terminal
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CN2010101885536A
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CN102264036B (en
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周成
李志军
游世林
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Suzhou Kunyang Environmental Protection Technology Co.,Ltd.
Suzhou Zhengyong Information Technology Co.,Ltd.
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ZTE Corp
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Priority to CN201010188553.6A priority Critical patent/CN102264036B/en
Priority to PCT/CN2011/073334 priority patent/WO2011147244A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • 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

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

Abstract

The invention relates to an offline terminal activating method, an offline terminal activating system and a machine type communication (MTC) terminal. The method comprises the following steps that: when a condition that the MTC terminal is triggered to be offline is generated, a mobility management unit transmits an identity mark of the MTC terminal when context information of the MTC terminal is deleted or is marked as an invalid forward MTC server or an intermediate network element; the MTC server or the intermediate network element receives and saves the identity mark of the MTC terminal; the MTC server transmits an offline activation message to the mobility management unit directly or through the intermediate network element, wherein the identity mark of the MTC terminal is carried; and the mobility management unit receives the offline activation message and initiates a paging process to the MTC terminal according to the identity mark of the MTC terminal, and the MTC terminal saves and receives a paging identity mark in an offline state and monitors a broadcast channel in a cell so as to respond to the paging to realize offline activation. By the method and the system, the terminal in the offline state can be activated.

Description

Activate method, system and the machine class communication terminal of off-line terminal
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, system and machine class communication terminal that activates the off-line terminal.
Background technology
In order to keep the competitiveness of 3-G (Generation Three mobile communication system) in the communications field, 3GPP (3rdGeneration Partnership Project, third generation partner program) the standard operation group just is being devoted to the research of EPS (EvolvedPacket System, evolution grouping domain system).Whole EPS system mainly comprises E-UTRAN (Evolved Universal Terrestrial Radio Access Network as shown in Figure 1, the universal terrestrial access network of evolution) and EPC (Evolved Packet Core, the packet-based core networks of evolution) two parts.The EPC of this system can support the access of user from GERAN (GSM EDGE radioaccess network, GSM EDGE wireless access network) and UTRAN (Universal TerrestrialRadio Access Network, universal land radio access web).
In the EPC packet-based core networks, mainly comprise following network element (as shown in Figure 1):
HSS (Home Subscriber Server): home subscriber server is the permanent storage place of user contracting data, is positioned at the home network that the user contracts;
MME (Mobility Management Entity): Mobility Management Entity, be the storage place of user contracting data in current network, be responsible for NAS layer (Non-Access Stratum, the Non-Access Stratum) signaling management of terminal to network, tracking and paging management function and the bearer management under user's idle pulley;
S-GW (Serving Gateway, gateway): gateway, be the gateway that core net arrives wireless system, be responsible for terminal to the user plane bearer of core net, the metadata cache under the terminal idle pulley, function, legal eavesdropping and grouped data route and the forwarding capability that network side is initiated service request;
P-GW (PDN Gateway): grouped data network gateway is the grouping domain system (EPS) of evolution and the gateway of this system's external network, functions such as the IP address assignment of responsible terminal, billing function, grouping packet filtering, application of policies.
The wireless access mesh portions of evolution, the network element that comprises are the nodes (Evolved NodeB abbreviates eNB as) of evolution, for user's access provides Radio Resource, and provide functions such as Access Layer safety management and load balancing.
Also have UE (UserEquipment) in addition: subscriber equipment comprise UICC (Universal Integrated Circuit Card) and ME (mobile terminal device), and the protocol stack the superiors between the MME is the NAS Non-Access Stratum.
In recent years because the fast development and the extensive use of mobile communication technology, develop and a kind of novel communication service, i.e. M2M (Machine to Machine) communication: M2M only represents machine to machine communication usually, does not generally relate to mutual with the people.Mainly be that wireless network with Mobile Network Operator is a platform, adopt multiple transmission means,, serve the wireless data transmission business of industry user's machine to machine by the special trade terminal.The M2M business has mainly been brought following some new communication entities on the basis of existing network:
MTC Server (Machine Type Communication Server): the machine class communication server, mainly be responsible for the management and the storage/maintenance of MTC equipment.
MTC Device (Machine Type Communication Device): machine class communication equipment, be also referred to as the MTC terminal, similar with UE, also comprise UICC and ME, usually be responsible for collecting the information of some collectors and insert core net by the RAN node, and with MTC Server interaction data.
Gateway in the middle of the MTC: main effect is protocol conversion, shielding operator internal networking structure, provides access interface to the MTC server; The roaming scence middle gateway of MTC on visit ground down can find the middle gateway of ownership place MTC according to roaming agreement, finishes services of roaming.
According to the different networks and the network architecture, the MTC server is connected with mobility management unit by different modes.
In the EPS network, mobility management unit is MME, and the MTC server uses direct-connected interface (as shown in Figure 1) to link to each other with MME or links to each other with MME (as shown in Figure 2) by gateway in the middle of the MTC; In 3G network, mobility management unit is SGSN (SERVICING GPRS SUPPORTNODE, a GPRS serving GPRS support node), and the MTC server uses direct-connected interface with SGSN) be connected that gateway links to each other with SGSN in the middle of the MTC.
In addition, in the EPS network, user data server is HSS, and the MTC server also can link to each other (as shown in Figure 3) with described MME by HSS; In 3G network, user data server is HLR (HomeLocation Register, an attaching position register), and the MTC server links to each other with SGSN by HLR.
In the at present existing packet field network, the paging that core net is initiated is the terminal at online/login state, and paging range is to determine according to the current mobility management information of terminal.The effect of existing paging has: core net has downlink data need be sent to the terminal of Idle state, uses the page notification terminal; Core net is come broadcast system information change or the alarm of broadcasting seismic sea wave by paging.
Packet domain paging flow process under the prior art condition as shown in Figure 4, may further comprise the steps:
Step 401, when triggering paging MTC terminal condition and producing, mobility management unit sends paging request message to the base station of MTC endpoint registration, and this message comprises parameters such as the identify label of terminal and paging domain;
Step 402, the base station is carried out paging according to the indication of mobility management unit to the MTC terminal;
Step 403 is received paging MTC terminal originating service request flow process afterwards;
If do not receive any response of terminal in a period of time, mobility management unit can be attempted paging again.
The paging of prior art only is applicable to the terminal of online/login state, if terminal processes off-line/unregistered state, MTC server and core network element can't trigger mobility management unit paging MTC terminal because of there not being the mobility information of terminal.The paging of 3G network and restriction and EPS network basically identical are no longer repeated at this.
Yet along with the development of M2M industry, new M2M communicating requirement MTC server can wake the MTC terminal that has entered off-line/unregistered state up.And paging flow process of the prior art can't satisfy such requirement.Even MTC server or MTC user provide default MTC terminal region information to broadcast the MTC terminal of awakening offline to CBC, also exist to can not find mobile terminal, need Virtual network operator to set up drawbacks such as CBC.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method, system and machine class communication terminal that activates the off-line terminal, is in the terminal of off-line state with activation.
For solving above technical problem, the present invention also provides a kind of method that activates the off-line terminal, and this method comprises:
When the situation that triggers machine class communication (MTC) terminal off-line produced, mobility management unit was at the contextual information of this MTC terminal of deletion or be labeled as invalid forward direction MTC server or intermediate NE sends the identify label of described MTC terminal;
Described MTC server or intermediate NE receive and preserve the identify label of described MTC terminal;
When described MTC server need activate described MTC terminal, directly or by described intermediate NE send off-line activation message, wherein carry the identify label of described MTC terminal to described mobility management unit;
Described mobility management unit receives described off-line and activates message, identify label according to described MTC terminal is initiated the paging flow process to described MTC terminal, described MTC terminal is preserved the identify label of paging receiving under off-line state, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
Further, triggering described MTC terminal offline scenario comprises the attachment removal of described MTC terminal, position renewal failure or adheres to failure.
Further, described mobility management unit is initiated the paging flow process after receiving described off-line activation message in all lane place that described mobility management unit is administered.
Further, described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After described mobility management unit receives described off-line activation message, activate the content of message according to described off-line and determine paging range, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
Further, the identify label of described MTC terminal is the temporary identity sign (P-TMSI or S-TMSI) that global unique temporary identity sign indicating number (GUTI), international mobile subscriber identity (IMSI) or mobility management unit are distributed to the MTC terminal, and the latest position information of described MTC terminal adopts tracing Area sign, mobility management unit sign, cell ID or Routing Area Identifier to represent.
Further, when described MTC server or intermediate NE are preserved the identify label of described MTC terminal, preserve the address or the sign of described mobility management unit simultaneously; Described MTC server or centre send off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
The method of claim 1 is characterized in that: described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described MTC server or intermediate NE are determined the corresponding movable management unit according to the latest position information of described MTC terminal, send off-line to the described mobility management unit of determining and activate message.
Further, described intermediate NE is gateway or a user data server in the middle of the MTC.
For solving above technical problem, the present invention also provides a kind of system that activates the off-line terminal, and this system comprises:
Mobility management unit comprises information off-line administration module and offline page module, described information management module is used for when the situation that triggers machine class communication (MTC) terminal off-line produces, the deletion this MTC terminal contextual information or be labeled as invalid before, send the identify label of described MTC terminal to the MTC server; Described offline page module is used to receive off-line and activates message, comprising the identify label of described MTC terminal, and according to the identify label of described MTC terminal described MTC terminal is initiated the paging flow process;
Described MTC server comprises information off-line preservation module and off-line active module, and described information off-line is preserved module, is used to receive and preserve the identify label of described MTC terminal; Described off-line active module is used for when needs activate described MTC terminal, directly sends off-line to described mobility management unit and activates message, wherein carries the identify label of described MTC terminal;
Described MTC terminal comprises off-line monitoring module, the identify label that is used under off-line state, preserving paging receiving, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
Further, the situation that triggers described MTC terminal off-line comprises that the attachment removal of described MTC terminal, position upgrade failure or adhere to failure.
Further, the offline page module of described mobility management unit is initiated the paging flow process after receiving described off-line activation message in all lane place that described mobility management unit is administered.
Further, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After the offline page module of described mobility management unit receives described off-line activation message, also be used for determining paging range according to the content of described off-line activation message, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
Further, the identify label of described MTC terminal is the temporary identity sign (P-TMSI or S-TMSI) that global unique temporary identity sign indicating number (GUTI), international mobile subscriber identity (IMSI) or mobility management unit are distributed to the MTC terminal, and the latest position information of described MTC terminal adopts tracing Area sign, mobility management unit sign, cell ID or Routing Area Identifier to represent.
Further, the information of described MTC server is preserved module, when preserving the identify label of described MTC terminal, also is used for preserving simultaneously the address or the sign of described mobility management unit; The off-line active module of described MTC server sends off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
Further, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described MTC server is determined the corresponding movable management unit according to the latest position information of described MTC terminal, sends off-line to the described mobility management unit of determining and activates message.
For solving above technical problem, the present invention also provides a kind of system that activates the off-line terminal, and this system comprises:
Mobility management unit comprises information off-line administration module and offline page module, described information management module is used for when the situation that triggers machine class communication (MTC) terminal off-line produces, the deletion this MTC terminal contextual information or be labeled as invalid before, send the identify label of described MTC terminal to intermediate NE; Described offline page module is used to receive off-line and activates message, comprising the identify label of described MTC terminal, and according to the identify label of described MTC terminal described MTC terminal is initiated the paging flow process;
Described MTC server comprises that off-line activates request module, is used for sending the request of activation to described intermediate NE when needs activate described MTC terminal, wherein carries the identify label of described MTC terminal;
Intermediate NE comprises information off-line preservation module and off-line active module, and described information off-line is preserved the identify label that module is used to receive and preserve described MTC terminal; Described off-line active module is used to receive the activation request of described MTC server, and sends off-line activation message to described mobility management unit, wherein carries the identify label of described MTC terminal;
Described MTC terminal comprises off-line monitoring module, the identify label that is used under off-line state, preserving paging receiving, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
Further, described MTC terminal off-line refers to the attachment removal of described MTC terminal, position renewal failure or adheres to failure.
Further, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After the offline page module of described mobility management unit receives described off-line activation message, also be used for determining paging range according to the content of described off-line activation message, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
Further, the information of described intermediate NE is preserved module, when preserving the identify label of described MTC terminal, also is used for preserving simultaneously the address or the sign of described mobility management unit; The off-line active module of described intermediate NE sends off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
Further, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described intermediate NE is determined the corresponding movable management unit according to the latest position information of described MTC terminal, sends off-line to the described mobility management unit of determining and activates message.
Further, described intermediate NE is gateway or a user data server in the middle of the MTC.
For solving above technical problem, the present invention also provides a kind of machine class communication terminal, and described MTC terminal comprises off-line monitoring module, the identify label that is used for preserving paging receiving under off-line state, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
In the inventive method and the system, when the situation that triggers machine class communication (MTC) terminal off-line produces, mobility management unit the deletion this MTC terminal contextual information or be labeled as invalid before, the identify label of this terminal is sent to MTC server or intermediate NE, when MTC server or intermediate NE activate this MTC terminal at needs, the identify label of this MTC terminal is fed back to mobility management unit, make mobility management unit to carry out normal paging according to the identify label of this feedback, terminal is monitored broadcast channel under off-line state simultaneously, make this MTC terminal can respond paging, thereby realize that off-line activates.
Description of drawings
Fig. 1 is the system construction drawing of correlation technique packet network, and MTC server and MME use direct-connected interface;
Fig. 2 is the system construction drawing of correlation technique packet network, and the MTC server links to each other with MME by gateway in the middle of the MTC;
Fig. 3 is the system construction drawing of correlation technique packet network, and the MTC server links to each other with MME by HSS;
Fig. 4 is the packet domain paging flow process under the prior art condition;
Fig. 5 is under MTC server and the mobility management unit Direct Connect Architecture, uses the present invention, and after the attachment removal of MTC terminal, the success paging of MTC server also activates the flow process of this off-line MTC terminal;
Fig. 6 is under MTC server and the mobility management unit Direct Connect Architecture, and the MTC terminal is attempted after the position upgrades failure, and the success paging of MTC server also activates the flow process of this off-line MTC terminal;
Fig. 7 is under MTC server and the mobility management unit Direct Connect Architecture, and after the MTC terminal attempted adhering to failure, the success paging of MTC server also activated the flow process of this off-line MTC terminal;
Fig. 8 is that the MTC server is by under gateway in the middle of the MTC and the framework that mobility management unit links to each other under the non-roaming scence, and after the attachment removal of MTC terminal, the successful paging of MTC server also activates the flow process of this off-line MTC terminal;
Fig. 9 is that the MTC server is by under gateway in the middle of gateway in the middle of the ownership place MTC and the visit ground MTC and the framework that mobility management unit links to each other under the roaming scence, and after the attachment removal of MTC terminal, the successful paging of MTC server also activates the flow process of this off-line MTC terminal;
Figure 10 is the MTC server by under user data server and the framework that mobility management unit links to each other, and after the attachment removal of MTC terminal, the success paging of MTC server also activates the flow process of this off-line MTC terminal;
Figure 11 is the method schematic diagram that the present invention activates the off-line terminal;
Figure 12 is the schematic diagram that the present invention activates the system one of off-line terminal;
Figure 13 is the schematic diagram that the present invention activates the system two of off-line terminal.
Embodiment
The main thought that the present invention activates the method and system of off-line terminal is, when the situation that triggers machine class communication (MTC) terminal off-line produces, mobility management unit the deletion this MTC terminal contextual information or be labeled as invalid before, the identify label of this terminal is sent to MTC server or intermediate NE, when MTC server or intermediate NE activate this MTC terminal at needs, the identify label of this MTC terminal is fed back to mobility management unit, make mobility management unit to carry out normal paging according to the identify label of this feedback, terminal is monitored broadcast channel under off-line state simultaneously, make this MTC terminal can respond paging, thereby realize that off-line activates.
As shown in figure 11, the present invention activates the method for off-line terminal, comprising:
Step 1101: when the situation that triggers machine class communication (MTC) terminal off-line produces, mobility management unit the contextual information of this MTC terminal of deletion or be labeled as invalid before, send the identify label of described MTC terminal to MTC server or intermediate NE;
It is invalid that described MTC terminal off-line refers to delete or be labeled as at the MM Context of the terminal of MTC described in the mobility management unit, mobility management unit can't be related to the MTC terminal, and terminal must be finished attachment flow and just can enter presence and communicate with the MTC server.The situation that triggers MTC terminal off-line includes but not limited to the attachment removal of MTC terminal, position renewal failure or adheres to failure etc., sees subsequent embodiment for details.Off-line (Detached) is also referred to as unregistered or attachment removal.
Step 1102: described MTC server or intermediate NE receive and preserve the identify label of described MTC terminal;
Step 1103: when described MTC server need activate described MTC terminal, directly or by described intermediate NE send off-line activation message, wherein carry the identify label of described MTC terminal to described mobility management unit;
Step 1104: described mobility management unit receives described off-line and activates message, identify label according to described MTC terminal is initiated the paging flow process to described MTC terminal, described MTC terminal is preserved the identify label of paging receiving under off-line state, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
Described mobility management unit is initiated the paging flow process after receiving described off-line activation message in all lane place that described mobility management unit is administered; Or alternatively, mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After described mobility management unit receives described off-line activation message, activate the content of message according to described off-line and determine paging range, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
MTC server and intermediate NE adopt following dual mode to determine the corresponding movable management unit:
When mode one, MTC server or intermediate NE are preserved the identify label of described MTC terminal, preserve the address or the sign of described mobility management unit simultaneously; Described MTC server or centre send off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
Mode two, mobility management unit send the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described MTC server or intermediate NE are determined the corresponding movable management unit according to the latest position information of described MTC terminal, send off-line to the described mobility management unit of determining and activate message.
The said intermediate NE of the present invention refers to middle gateway of MTC or user data server, is network element/entity that mobility management unit and MTC server communication can pass through.
For existing MTC terminal, MTC terminal of the present invention is preserved the identify label of paging receiving under off-line state, and monitors broadcast channel, has the off-line mobilizing function.
Embodiment one
Fig. 5 is when the attachment removal of MTC terminal takes place, mobility management unit by direct-connected interface to MTC Server Transport signaling, MTC terminal latest position information, MTC terminal identity sign are sent to the MTC server and preserve, after MTC terminal off-line, MTC server triggers mobility management unit paging MTC terminal finally activates the process of MTC terminal.As shown in Figure 5, may further comprise the steps:
Step 501, the MTC terminal of login state is initiated the attachment removal flow process, or network initiates explicit attachment removal flow process, and perhaps network is initiated implicit expression attachment removal flow process;
According to the difference of network configuration, mobility management unit can be over time or delete the contextual information of this terminal immediately or be labeled as invalid.
Can enter off-line/unregistered state after the MTC terminal, among the present invention, the MTC terminal under this state, preserve the identify label that is used for paging (fixedly identify label or, the temporary identity sign), and still monitor the broadcast channel of sub-district, place, this channel can be common broadcast channel/paging channel, also can be the dedicated broadcast channel/paging channel of MTC communication, the MTC terminal just can also can be arrived by ICQ under off-line/unregistered state like this, realizes the off-line mobilizing function.
Step 502, mobility management unit are at the context of this MTC terminal of deletion or be labeled as and the latest position information (optionally) of the identify label of MTC terminal, terminal sent to MTC server preservation (renewal) by the off-line notification message before invalid;
The MTC server is optionally preserved the address or the sign of the mobility management unit that sends this message when receiving this message.
In the EPS network, the identify label of MT reconnaissance C terminal may be S-TMSI or GUTI or IMSI; The latest position information of MT reconnaissance C terminal may be one or one group of tracing Area sign, also may be a MME sign (all tracing Area that comprised this MME subordinate), or one or one group of cell ID; The sign of above-mentioned mobility management unit may be the GUMMEI of MME, perhaps GUTI (wherein comprising complete MME sign).
In GPRS network, MT reconnaissance C terminal identity sign may be P-TMSI or IMSI; The latest position information of MT reconnaissance C terminal may be one or one group of Routing Area Identifier, also may be one or one group of cell ID;
Address/the sign of above-mentioned mobility management unit can be the network address of SGSN or SGSN number.
Step 503, the MTC server need trigger MTC terminal (down distributing configuration data for example, trigger MTC terminal to report data etc.) time, find the corresponding movable management unit by the mobility management unit sign of preserving in the step 502, perhaps according to the terminal latest position information analysis in the off-line notification message of step 502/inquire corresponding movable management unit, and send off-line to the latter and activate message, this message comprises the described MTC terminal identity sign of step 502, latest position information (optional, prerequisite is that the off-line notification message in the step 502 comprises this cell) with terminal;
The MTC terminal enters off-line/unregistered state, and core net is any mobility management information of this terminal not.
Step 504, after mobility management unit receives off-line activation message, use MTC terminal identity sign that it is initiated the paging flow process, activate message content according to the off-line in the step 503 and determine paging range: if off-line activation message comprises the latest position information of terminal, then paging range is limited in all sub-districts that positional information comprises; If off-line activates the latest position information that message does not comprise terminal, then paging range is limited to the sub-district in all lane place that mobility management unit administers;
In addition, according to operator's configuration,, can attempt enlarging paging range (for example expanding adjacent area to) if paging is unsuccessful.
The base station of mobility management unit in the paging range of determining sends paging request message, this message comprise the identify label of terminal and paging domain parameter (be the latest position information of terminal or all lane place that mobility management unit is administered the sub-district; The base station is carried out paging according to the indication of mobility management unit to the MTC terminal.
Step 505, MTC terminal find that the identify label of the paging information on the described channel is its identify label, respond paging immediately and initiate attachment flow.
Embodiment two
Fig. 6 is when generation MTC terminal is carried out position renewal failure, mobility management unit by direct-connected interface to MTC Server Transport signaling, latest position information, the terminal identity sign of MTC terminal are sent to MTC server and preserve, after the MTC terminal off-line, MTC server triggers mobility management unit paging MTC terminal, and the process of activation MTC terminal.As shown in Figure 6, may further comprise the steps:
Step 601, MTC terminal move to reposition and use its identify label to initiate more new technological process of position, but the flow process failure;
More after the new technological process failure, current mobility management unit is attachment removal with the contextual tagging of MTC terminal, according to network configuration, mobility management unit can be over time or delete this context immediately or be labeled as invalid.Can enter off-line/unregistered state after the MTC terminal, MTC terminal under this state is still monitored the broadcast channel of sub-district, place, this channel can be common broadcast channel/paging channel, it also can be the dedicated broadcast channel/paging channel of MTC communication, the MTC terminal just can also can be arrived by ICQ under off-line/unregistered state like this, realizes the off-line mobilizing function.
Step 602-step 605, in full accord with the step 502-step 505 among Fig. 5 embodiment, no longer repeat at this.
Embodiment three
Fig. 7 is by direct-connected interface command transmitting between mobility management unit and MTC server when generation MTC terminal is adhered to failure, latest position information, the identify label of MTC terminal are sent to the preservation of MTC server, and after MTC terminal off-line by MTC server triggers mobility management unit paging MTC terminal, activate the process of MTC terminal.As shown in Figure 7, may further comprise the steps:
Step 701, the MTC terminal of off-line state are initiated the attachment flow failure;
The MTC terminal of off-line state is initiated attachment flow, but mobility management unit attempt to retransmit sends to adhere to and accepts not receive all the time after the message and adhering to that the MTC terminal returns finish message, and attempt paging MTC terminal and also all do not have response, mobility management unit is attachment removal with the contextual tagging of MTC terminal, according to network configuration, mobility management unit can be over time or delete this context immediately or be labeled as invalid.
Can enter off-line/unregistered state after the MTC terminal, among the present invention, the MTC terminal under this state, preserve the identify label that is used for paging (fixedly identify label or, the temporary identity sign), and still monitor the broadcast channel of sub-district, place, this channel can be common broadcast channel/paging channel, also can be the dedicated broadcast channel/paging channel of MTC communication, the MTC terminal just can also can be arrived by ICQ under off-line/unregistered state like this, realizes the off-line mobilizing function.
Step 702-step 705, in full accord with the step 502-step 505 among Fig. 5 embodiment, no longer repeat at this.
Above embodiment one to three, applicable to the framework shown in Fig. 1 to 3, during only based on Fig. 2 and framework shown in Figure 3, the message between MTC server and the mobility management unit need be transmitted through gateway in the middle of the MTC or user data server.
Embodiment four
Fig. 8 is under the non-roaming scence, when the attachment removal of MTC terminal takes place, mobility management unit is the gateway command transmitting in the middle of MTC, MTC terminal latest position information, MTC terminal iidentification are sent to the middle gateway of MTC to be preserved, after MTC terminal off-line, trigger mobility management unit paging MTC terminal by the MTC server by gateway in the middle of the MTC, finally activate the process of MTC terminal.As shown in Figure 8, may further comprise the steps:
Step 801, the MTC terminal of login state is initiated the attachment removal flow process, or network initiates explicit attachment removal flow process, and perhaps network is initiated implicit expression attachment removal flow process;
According to the difference of network configuration, mobility management unit can be over time or delete the context of this terminal immediately or be labeled as invalid.
Can enter off-line/unregistered state after the MTC terminal, among the present invention, the MTC terminal under this state, preserve the identify label that is used for paging (fixedly identify label or, the temporary identity sign), and still monitor the broadcast channel of sub-district, place, this channel can be common broadcast channel/paging channel, also can be the dedicated broadcast channel/paging channel of MTC communication, the MTC terminal just can also can be arrived by ICQ under off-line/unregistered state like this, realizes the off-line mobilizing function.
Step 802, mobility management unit the context of this MTC terminal of deletion or be labeled as invalid before, the latest position information (optionally) of the identify label of MTC terminal, terminal is sent to gateway preservation (renewal) in the middle of the MTC by the off-line notification message;
Gateway can optionally be preserved the address/sign of the mobility management unit that sends this message in the middle of the MTC when receiving this message.
In the EPS network, the identify label of MT reconnaissance C terminal can be S-TMSI or GUTI or IMSI; The latest position information of MT reconnaissance C terminal can be one or one group of tracing Area sign, also can be a MME sign (all tracing Area that comprised this MME subordinate), or one or one group of cell ID; Address/the sign of above-mentioned mobility management unit can be the network address of MME, perhaps GUMMEI, perhaps GUTI (wherein comprising complete MME sign).
In GPRS network, MT reconnaissance C terminal identity sign can be P-TMSI or IMSI; The latest position information of MT reconnaissance C terminal can be one or one group of Routing Area Identifier, also can be one or one group of cell ID; Address/the sign of above-mentioned mobility management unit can be the network address of SGSN or SGSN number.
Wherein, IMSI (International Mobile SubscriberIdentity): international mobile subscriber identity is stored among the USIM and as user's identification.
GUTI (Global Unique Temporary Identity): global unique temporary identity sign indicating number, distribute to terminal by MME, unique in the world sign portable terminal.
P-TMSI (P-Temporary Mobile Subscriber Identity): SGSN distributes to the temporary identity sign of portable terminal, unique certain portable terminal of sign in the SGSN range of management.
S-TMSI (S-Temporary Mobile Subscriber Identity): comprise MME number terminal temporary identity sign, belong to the part of GUTI, be commonly used in identify label as call terminal.
Step 803, the MTC terminal enters off-line/unregistered state, and when the MTC server need activate the MTC terminal, gateway sent and activates request message in the middle of MTC, and this message is carried the identify label of the MTC terminal that needs activation;
Step 804, after gateway is received the request of MTC server in the middle of the MTC, find the corresponding movable management unit by the mobility management unit address/sign of preserving in the step 802, perhaps according to the terminal latest position information analysis in the off-line notification message of step 802/inquire corresponding movable management unit, and send off-line to the latter and activate message, this message comprises the described MTC terminal identity sign of step 802, the latest position information of terminal (optional, prerequisite is that the off-line notification message in the step 802 comprises this cell);
Step 805, mobility management unit uses MTC terminal identity sign that the MTC terminal is initiated the paging flow process, activate message content according to the off-line in the step 804 and determine paging range: if off-line activation message comprises the latest position information of terminal, then paging range is limited in all sub-districts that positional information comprises; If off-line activates the latest position information that message does not comprise terminal, then paging range is limited to the sub-district in all lane place that mobility management unit administers;
In addition, according to operator's configuration,, can attempt enlarging paging range (for example expanding adjacent area to) if paging is unsuccessful.
Step 806, MTC terminal find that the identify label of the paging information on the described channel is its identify label, respond paging immediately and initiate attachment flow.
Embodiment five
Fig. 9 is under the roaming scence, when the attachment removal of MTC terminal takes place, mobility management unit is by gateway gateway command transmitting in the middle of ownership place MTC in the middle of the visit ground MTC, MTC terminal latest position information, MTC terminal iidentification are sent to the middle gateway of ownership place MTC to be preserved, after MTC terminal off-line, trigger mobility management unit paging MTC terminal by the MTC server by gateway in the middle of ownership place and the visit ground MTC, finally activate the process of MTC terminal.As shown in Figure 9, may further comprise the steps:
Step 901, the MTC terminal of login state is initiated the attachment removal flow process, or network initiates explicit attachment removal flow process, and perhaps network is initiated implicit expression attachment removal flow process;
According to the difference of network configuration, mobility management unit can be over time or delete the context of this terminal immediately or be labeled as invalid.
Can enter off-line/unregistered state after the MTC terminal, among the present invention, the MTC terminal under this state, preserve the identify label that is used for paging (fixedly identify label or, the temporary identity sign), and still monitor the broadcast channel of sub-district, place, this channel can be common broadcast channel/paging channel, also can be the dedicated broadcast channel/paging channel of MTC communication, the MTC terminal just can also can be arrived by ICQ under off-line/unregistered state like this, realizes the off-line mobilizing function.
Step 902, mobility management unit the context of this MTC terminal of deletion or be labeled as invalid before, the latest position information (optional) of the identify label of MTC terminal, terminal sent to visit ground MTC by the off-line notification message in the middle of gateway preserve;
Gateway can optionally be kept in the address/sign of the mobility management unit that sends this message in the middle of the visit ground MTC when receiving this message.
In the EPS network, the identify label of MT reconnaissance C terminal can be S-TMSI or GUTI or IMSI; The latest position information of MT reconnaissance C terminal can be one or one group of tracing Area sign, also can be a MME sign (all tracing Area that comprised this MME subordinate), or one or one group of cell ID; Address/the sign of above-mentioned mobility management unit can be the network address of MME, perhaps GUMMEI, perhaps GUTI (wherein comprising complete MME sign).
In GPRS network, MT reconnaissance C terminal identity sign can be P-TMSI or IMSI; The latest position information of MT reconnaissance C terminal can be one or one group of Routing Area Identifier, also can be one or one group of cell ID; Address/the sign of above-mentioned mobility management unit can be the network address of SGSN or SGSN number.
Step 903, gateway finds the middle gateway of ownership place MTC by the information in roaming agreement or the MTC terminal identity sign in the middle of visiting ground MTC, and with the identify label of the described MTC terminal of step 902, gateway was preserved in the middle of latest position information of terminal (if the off-line notification message in the step 902 carries this cell) and mobility management unit sign/address (if gateway has been kept in this information in the middle of visiting ground MTC in the step 902) sent to ownership place MTC by the off-line notification message, and the middle gateway of ownership place MTC also can be preserved the address of the middle gateway of visit ground MTC that sends the off-line notice simultaneously;
Step 904, the MTC terminal enters off-line/unregistered state, and the MTC server need activate the MTC terminal when communicating with, and the MTC server sends to ownership place MTC gateway and activates request message, and this message is carried the identify label that needs the MTC terminal that activates;
Step 905, ownership place MTC gateway retrieves the relevant information of this terminal of local storage according to the MTC terminal identity sign of the activation request message in the step 904, find this gateway according to gateway address in the middle of the visit ground MTC of storage in the step 903, and send off-line activation message to it;
Off-line activates all the elements that message comprises the off-line notification message of step 903.
Step 906, after gateway receives that the off-line of the middle gateway of ownership place MTC activates message in the middle of the visit ground MTC, find the corresponding movable management unit by the address of the mobility management unit in the message/sign, perhaps activate terminal latest position information analysis in the message/inquire corresponding movable management unit according to off-line, and send off-line to the latter and activate message, this message comprises the described MTC terminal identity sign of step 905, the latest position information of terminal (optional, prerequisite is that the off-line activation message of step 905 has been carried this cell);
Step 907, mobility management unit uses MTC terminal identity sign that the MTC terminal is initiated the paging flow process, activate message content according to the off-line in the step 906 and determine paging range: if off-line activation message comprises the latest position information of terminal, then paging range is limited in all sub-districts that positional information comprises; If off-line activates the latest position information that message does not comprise terminal, then paging range is limited to the sub-district in all lane place that mobility management unit administers;
In addition, according to operator's configuration,, can attempt enlarging paging range (for example expanding adjacent area to) if paging is unsuccessful.
Step 908, MTC terminal find that the identify label of the paging information on the described channel is its identify label, respond paging immediately and initiate attachment flow.
Embodiment six
Figure 10 is when the attachment removal of MTC terminal takes place, mobility management unit is to the user data server command transmitting, MTC terminal latest position information, MTC terminal iidentification are sent to user data server to be preserved, after MTC terminal off-line, trigger mobility management unit paging MTC terminal by the MTC server by user data server, finally activate the process of MTC terminal.As shown in figure 10, may further comprise the steps:
Step 1001, the MTC terminal of login state is initiated the attachment removal flow process, or network initiates explicit attachment removal flow process, and perhaps network is initiated implicit expression attachment removal flow process;
According to the difference of network configuration, mobility management unit can be over time or delete the context of this terminal immediately or be labeled as invalid.
Can enter off-line/unregistered state after the MTC terminal, among the present invention, the MTC terminal under this state, preserve the identify label that is used for paging (fixedly identify label or, the temporary identity sign), and still monitor the broadcast channel of sub-district, place, this channel can be common broadcast channel/paging channel, also can be the dedicated broadcast channel/paging channel of MTC communication, the MTC terminal just can also can be arrived by ICQ under off-line/unregistered state like this, realizes the off-line mobilizing function.
Step 1002, mobility management unit the context of this MTC terminal of deletion or be labeled as invalid before, the latest position information (optional) of the identify label of MTC terminal, terminal is sent to user data server by the off-line notification message preserves;
User data server also can be preserved the address/sign of the mobility management unit that sends this message simultaneously when receiving this message.
In the EPS network, the identify label of MT reconnaissance C terminal can be S-TMSI or GUTI or IMSI; The latest position information of MT reconnaissance C terminal can be one or one group of tracing Area sign, also can be a MME sign (all tracing Area that comprised this MME subordinate), or one or one group of cell ID; Address/the sign of above-mentioned mobility management unit can be the network address of MME, perhaps GUMMEI, perhaps GUTI (wherein comprising complete MME sign).
In GPRS network, MT reconnaissance C terminal identity sign can be P-TMSI or IMSI; The latest position information of MT reconnaissance C terminal can be one or one group of Routing Area Identifier, also can be one or one group of cell ID; Address/the sign of above-mentioned mobility management unit can be the network address of SGSN or SGSN number.
Step 1003, the MTC terminal enters off-line/unregistered state, when the MTC server need activate the MTC terminal, sends the activation request message to user data server, and this message is carried the identify label of the MTC terminal that needs activation;
Step 1004, user data server uses MTC terminal identity sign to retrieve related data after receiving the request of MTC server, find the corresponding movable management unit by the mobility management unit address/sign of preserving in the step 1002, and send off-line activation message to the latter;
This message comprises the full content of the off-line notification message in the step 1002.
Step 1005, mobility management unit uses MTC terminal identity sign that the MTC terminal is initiated the paging flow process, activate message content according to the off-line in the step 1004 and determine paging range: if off-line activation message comprises the latest position information of terminal, then paging range is limited in all sub-districts that positional information comprises; If off-line activates the latest position information that message does not comprise terminal, then paging range is limited to the sub-district in all lane place that mobility management unit administers;
In addition, according to operator's configuration,, can attempt enlarging paging range (for example expanding adjacent area to) if paging is unsuccessful.
Step 1006, MTC terminal find that the identify label of the paging information on the described channel is its identify label, respond paging immediately and initiate attachment flow.
In order to realize above embodiment one to three, the present invention also provides a kind of system that activates the off-line terminal, and as shown in figure 12, this system comprises:
Mobility management unit comprises information off-line administration module and offline page module, described information management module is used for when the situation that triggers machine class communication (MTC) terminal off-line produces, at the contextual information of this MTC terminal of deletion or be labeled as the identify label that invalid forward direction MTC server sends described MTC terminal; Described offline page module is used to receive off-line and activates message, comprising the identify label of described MTC terminal, and according to the identify label of described MTC terminal described MTC terminal is initiated the paging flow process;
Described MTC server comprises information off-line preservation module and off-line active module, and described information off-line is preserved module, is used to receive and preserve the identify label of described MTC terminal; Described off-line active module is used for when needs activate described MTC terminal, directly sends off-line to described mobility management unit and activates message, wherein carries the identify label of described MTC terminal;
Described MTC terminal comprises off-line monitoring module, the identify label that is used under off-line state, preserving paging receiving, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
It is invalid that described MTC terminal off-line refers to delete or be labeled as at the MM Context of the terminal of MTC described in the mobility management unit, mobility management unit can't be related to the MTC terminal, and terminal must be finished attachment flow and just can enter presence and communicate with the MTC server.The situation that triggers MTC terminal off-line includes but not limited to the attachment removal of MTC terminal, position renewal failure or adheres to failure etc.
Alternatively, the offline page module of described mobility management unit is initiated the paging flow process after receiving described off-line activation message in all lane place that described mobility management unit is administered.
Alternatively, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After the offline page module of described mobility management unit receives described off-line activation message, also be used for determining paging range according to the content of described off-line activation message, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
The identify label of described MTC terminal is S-TMSI, GUTI, P-TMSI or IMSI, and the latest position information of described MTC terminal adopts tracing Area sign, mobility management unit sign, cell ID or Routing Area Identifier to represent.
Alternatively, the information of described MTC server is preserved module, when preserving the identify label of described MTC terminal, also is used for preserving simultaneously the address or the sign of described mobility management unit; The off-line active module of described MTC server sends off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
Alternatively, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described MTC server is determined the corresponding movable management unit according to the latest position information of described MTC terminal, sends off-line to the described mobility management unit of determining and activates message.
System shown in Figure 12, applicable to the framework shown in Fig. 1 to 3, during only based on Fig. 2 and framework shown in Figure 3, the message between MTC server and the mobility management unit need be transmitted through intermediate NEs such as gateway in the middle of the MTC or user data servers, shown in frame of broken lines among the figure.
In order to realize above embodiment four to six, the present invention also provides the system of another kind of activation off-line terminal, and as shown in figure 13, this system comprises:
Mobility management unit comprises information off-line administration module and offline page module, described information management module is used for when the situation that triggers machine class communication (MTC) terminal off-line produces, at the contextual information of this MTC terminal of deletion or be labeled as the identify label that invalid forward direction intermediate NE sends described MTC terminal; Described offline page module is used to receive off-line and activates message, comprising the identify label of described MTC terminal, and according to the identify label of described MTC terminal described MTC terminal is initiated the paging flow process;
Described MTC server comprises that off-line activates request module, is used for sending the request of activation to described intermediate NE when needs activate described MTC terminal, wherein carries the identify label of described MTC terminal;
Intermediate NE comprises information off-line preservation module and off-line active module, and described information off-line is preserved the identify label that module is used to receive and preserve described MTC terminal; Described off-line active module is used to receive the activation request of described MTC server, and sends off-line activation message to described mobility management unit, wherein carries the identify label of described MTC terminal;
Described MTC terminal comprises off-line monitoring module, the identify label that is used under off-line state, preserving paging receiving, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
Described MTC terminal off-line refers to the attachment removal of described MTC terminal, position renewal failure or adheres to failure.
Alternatively, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After the offline page module of described mobility management unit receives described off-line activation message, also be used for determining paging range according to the content of described off-line activation message, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
Alternatively, the information of described intermediate NE is preserved module, when preserving the identify label of described MTC terminal, also is used for preserving simultaneously the address or the sign of described mobility management unit; The off-line active module of described intermediate NE sends off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
Alternatively, the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described intermediate NE is determined the corresponding movable management unit according to the latest position information of described MTC terminal, sends off-line to the described mobility management unit of determining and activates message.
Understandably, among Figure 12 and Figure 13, also be connected between MTC terminal and the mobility management unit by the base station.
The said intermediate NE of the present invention is gateway or a user data server in the middle of the MTC.
In addition, the present invention also provides a kind of machine class communication terminal, and described MTC terminal comprises off-line monitoring module, be used under off-line state, preserving the identify label of paging receiving, and monitor the broadcast channel of sub-district, place, and activate with response achieving paging off-line, possess the function that off-line activates.
The present invention activates in the method and system of off-line terminal, when the situation that triggers machine class communication (MTC) terminal off-line produces, MME is at the contextual information of this MTC terminal of deletion or be labeled as and the identify label of this terminal sent to MTC server or intermediate NE before invalid, when MTC server or intermediate NE activate this MTC terminal at needs, the identify label of this MTC terminal is fed back to MME, make MME to carry out normal paging according to the identify label of this feedback, terminal is monitored broadcast channel under off-line state simultaneously, make this MTC terminal can respond paging, thereby realize that off-line activates.

Claims (22)

1. a method that activates the off-line terminal is characterized in that, this method comprises:
When the situation that triggers machine class communication (MTC) terminal off-line produced, mobility management unit was at the contextual information of this MTC terminal of deletion or be labeled as invalid forward direction MTC server or intermediate NE sends the identify label of described MTC terminal;
Described MTC server or intermediate NE receive and preserve the identify label of described MTC terminal;
When described MTC server need activate described MTC terminal, directly or by described intermediate NE send off-line activation message, wherein carry the identify label of described MTC terminal to described mobility management unit;
Described mobility management unit receives described off-line and activates message, identify label according to described MTC terminal is initiated the paging flow process to described MTC terminal, described MTC terminal is preserved the identify label of paging receiving under off-line state, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
2. the method for claim 1 is characterized in that: trigger described MTC terminal offline scenario and comprise the attachment removal of described MTC terminal, position renewal failure or adhere to failure.
3. the method for claim 1 is characterized in that: after described mobility management unit receives described off-line and activates message, initiate the paging flow process in all lane place that described mobility management unit is administered.
4. the method for claim 1 is characterized in that: described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After described mobility management unit receives described off-line activation message, activate the content of message according to described off-line and determine paging range, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
5. method as claimed in claim, it is characterized in that: the identify label of described MTC terminal is the temporary identity sign (P-TMSI or S-TMSI) that global unique temporary identity sign indicating number (GUTI), international mobile subscriber identity (IMSI) or mobility management unit are distributed to the MTC terminal, and the latest position information of described MTC terminal adopts tracing Area sign, mobility management unit sign, cell ID or Routing Area Identifier to represent.
6. the method for claim 1 is characterized in that: when described MTC server or intermediate NE are preserved the identify label of described MTC terminal, preserve the address or the sign of described mobility management unit simultaneously; Described MTC server or centre send off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
7. the method for claim 1 is characterized in that: described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described MTC server or intermediate NE are determined the corresponding movable management unit according to the latest position information of described MTC terminal, send off-line to the described mobility management unit of determining and activate message.
8. the method for claim 1 is characterized in that: described intermediate NE is gateway or a user data server in the middle of the MTC.
9. a system that activates the off-line terminal is characterized in that, this system comprises:
Mobility management unit comprises information off-line administration module and offline page module, described information management module is used for when the situation that triggers machine class communication (MTC) terminal off-line produces, the deletion this MTC terminal contextual information or be labeled as invalid before, send the identify label of described MTC terminal to the MTC server; Described offline page module is used to receive off-line and activates message, comprising the identify label of described MTC terminal, and according to the identify label of described MTC terminal described MTC terminal is initiated the paging flow process;
Described MTC server comprises information off-line preservation module and off-line active module, and described information off-line is preserved module, is used to receive and preserve the identify label of described MTC terminal; Described off-line active module is used for when needs activate described MTC terminal, directly sends off-line to described mobility management unit and activates message, wherein carries the identify label of described MTC terminal;
Described MTC terminal comprises off-line monitoring module, the identify label that is used under off-line state, preserving paging receiving, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
10. system as claimed in claim 9 is characterized in that: the situation that triggers described MTC terminal off-line comprises the attachment removal of described MTC terminal, position renewal failure or adheres to failure.
11. system as claimed in claim 9 is characterized in that: the offline page module of described mobility management unit is initiated the paging flow process after receiving described off-line activation message in all lane place that described mobility management unit is administered.
12. system as claimed in claim 9 is characterized in that: the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After the offline page module of described mobility management unit receives described off-line activation message, also be used for determining paging range according to the content of described off-line activation message, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
13. system as claimed in claim 9, it is characterized in that: the identify label of described MTC terminal is the temporary identity sign (P-TMSI or S-TMSI) that global unique temporary identity sign indicating number (GUTI), international mobile subscriber identity (IMSI) or mobility management unit are distributed to the MTC terminal, and the latest position information of described MTC terminal adopts tracing Area sign, mobility management unit sign, cell ID or Routing Area Identifier to represent.
14. system as claimed in claim 9 is characterized in that: the information of described MTC server is preserved module, when preserving the identify label of described MTC terminal, also is used for preserving simultaneously the address or the sign of described mobility management unit; The off-line active module of described MTC server sends off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
15. method as claimed in claim 9 is characterized in that: the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described MTC server is determined the corresponding movable management unit according to the latest position information of described MTC terminal, sends off-line to the described mobility management unit of determining and activates message.
16. a system that activates the off-line terminal is characterized in that, this system comprises:
Mobility management unit comprises information off-line administration module and offline page module, described information management module is used for when the situation that triggers machine class communication (MTC) terminal off-line produces, the deletion this MTC terminal contextual information or be labeled as invalid before, send the identify label of described MTC terminal to intermediate NE; Described offline page module is used to receive off-line and activates message, comprising the identify label of described MTC terminal, and according to the identify label of described MTC terminal described MTC terminal is initiated the paging flow process;
Described MTC server comprises that off-line activates request module, is used for sending the request of activation to described intermediate NE when needs activate described MTC terminal, wherein carries the identify label of described MTC terminal;
Intermediate NE comprises information off-line preservation module and off-line active module, and described information off-line is preserved the identify label that module is used to receive and preserve described MTC terminal; Described off-line active module is used to receive the activation request of described MTC server, and sends off-line activation message to described mobility management unit, wherein carries the identify label of described MTC terminal;
Described MTC terminal comprises off-line monitoring module, the identify label that is used under off-line state, preserving paging receiving, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
17. system as claimed in claim 16 is characterized in that: described MTC terminal off-line refers to the attachment removal of described MTC terminal, position renewal failure or adheres to failure.
18. system as claimed in claim 16 is characterized in that: the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; After the offline page module of described mobility management unit receives described off-line activation message, also be used for determining paging range according to the content of described off-line activation message, in the paging range of determining, to initiate the paging flow process: if described off-line activates the latest position information that comprises described MTC terminal in the message, then paging range is limited to all sub-districts that described latest position information comprises, otherwise paging range is limited to the sub-district in all lane place that described mobility management unit administers.
19. system as claimed in claim 16 is characterized in that: the information of described intermediate NE is preserved module, when preserving the identify label of described MTC terminal, also is used for preserving simultaneously the address or the sign of described mobility management unit; The off-line active module of described intermediate NE sends off-line activation message according to the address or the sign of the described mobility management unit of preserving to described mobility management unit.
20. method as claimed in claim 16 is characterized in that: the information management module of described mobility management unit sends the latest position information of described MTC terminal simultaneously when sending the identify label of described MTC terminal; Described intermediate NE is determined the corresponding movable management unit according to the latest position information of described MTC terminal, sends off-line to the described mobility management unit of determining and activates message.
21. system as claimed in claim 16 is characterized in that: described intermediate NE is gateway or a user data server in the middle of the MTC.
22. machine class communication terminal, it is characterized in that: described machine class communication (MTC) terminal comprises off-line monitoring module, be used under off-line state, preserving the identify label of paging receiving, and monitor the broadcast channel of sub-district, place, activate with response achieving paging off-line.
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