CN102651883A - Method and apparatus for detecting connection loss of terminal - Google Patents
Method and apparatus for detecting connection loss of terminal Download PDFInfo
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- CN102651883A CN102651883A CN2011100461625A CN201110046162A CN102651883A CN 102651883 A CN102651883 A CN 102651883A CN 2011100461625 A CN2011100461625 A CN 2011100461625A CN 201110046162 A CN201110046162 A CN 201110046162A CN 102651883 A CN102651883 A CN 102651883A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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Abstract
The invention discloses a method for detecting a connection loss of a terminal, and the parameters for detecting the connection loss are added to the subscription data of the terminal. The method comprises that a network-side device obtains the subscription data of the terminal after receiving an attach request from the terminal, performs a connection loss detection for the terminal and reports a connection loss when the connection loss of the terminal is detected. The invention also discloses a connection loss detection apparatus for realizing the above method. According to the invention, the detection of whether the connection of the terminal is lost is realized by configuring a loss detection timer and the terminal status is monitored at a cost of a relatively small change of the protocol. Therefore, the drawbacks in the management of the terminal in the prior art are eliminated, and the monitoring management of the terminal is greatly facilitated.
Description
Technical field
The present invention relates to the connection loss detection technology of Machine Type communication (MTC, Machine Type Communication) equipment, relate in particular to a kind of sense terminals and connect method and the device of losing.
Background technology
Fig. 1 is the structural representation of cellular radio communication system, and is as shown in Figure 1, and cellular radio communication system mainly is made up of core net (CN, Core Network), Access Network (RAN, Radio Access Network) and terminal.Core net is responsible for for example updating of terminal position etc. of Non-Access Stratum affairs, and core net also is the anchor point of user plane simultaneously.Access Network comprises the base station; Perhaps base station and base station controller; Access Network is responsible for the for example management etc. of Radio Resource of Access Layer affairs, can have physics or connection in logic according to actual conditions between the base station, like the connection between the base station among Fig. 11 and base station 2, base station 1 and the base station 3; And each base station can be connected with more than one core net node.The terminal is subscriber equipment (UE, User Equipment), be meant can with the various device of cellular radio communication network communication, such as mobile phone or notebook computer etc.
The MTC business is the business that communicates between the machine.In the MTC business, do not need people's participation, all communications are independently accomplished by machine.MTC is professional to obtain data through awareness apparatus such as transducers; Through communication module data are reported mobile communications network then; And be linked into public data network through mobile communications network, specifically can be applicable to fields such as logistics monitoring, safety monitoring, tele-medicine detection, remote meter reading.These data are managed by the particular server of mobile operator or special MTC operator, can supply MTC user or MTC manager to check.In this process, the equipment that obtains professional needed data is MTC equipment.
After introducing the MTC business, MTC equipment is different with common user terminal occupation mode, all be usually to be arranged under some unwatched scenes, and all be to be under the scene of no administrative staff's supervision such as long-range ammeter, logistics monitoring device, Vending Machine or the like.That is to say that the user of MTC equipment can't be constantly with MTC equipment band at one's side.Yet whether the user needs to be grasped the own MTC equipment that is had also in operate as normal, in time to keep in repair when the MTC equipment fault.Therefore, this just need monitor the MTC equipment running through communication network.Whether MTC equipment breaks off connection is the emphasis that needs monitoring; And the method that the state of MTC equipment is detected; Method commonly used is that be set detection time; If MTC equipment has been failed signaling or data response in detection time, promptly be regarded as MTC equipment and be in off-line state, network need be reported to the MTC server.Be kept in home subscriber server (HSS, Home Subscriber Server) as each MTC device specific subscription data the detection time here.HSS is an entity of being responsible for identity information, authentication information and the authorization message etc. of preservation user or terminal equipment in the communication network.According to different situations; HSS can be used for preserving user's the identity information and the binding information of user and terminal equipment; Or only preserve user's identity information (specifically can preserve the binding information of user and terminal equipment), or directly preserve the identity information of terminal equipment by gateway.HSS also is responsible for user's subscribed database, and execution user's authentication and mandate etc.Business platform can be from HSS inquiring user or end message.
Whether mobility management unit (MME, Mobility Management Entity) is online for detecting ordinary terminal, can reach timer through moving the unified terminal that is provided with; When Non-Access Stratum (NAS is broken off at the terminal; Start the terminal when Non Access Stratum) connecting and to reach timer, can reach timer at the terminal, start implicit expression attachment removal timer to constantly; If do not connect to setting up NAS constantly yet at implicit expression attachment removal timer, then network side triggers terminal attachment removal flow process.
Yet; The business of MTC equipment is different with ordinary terminal; Cycle such as logistics monitoring equipment reported data is long, and the digital medical watch-dog reported data time is shorter, uses for different service; MTC user just possibly need the different detection cycle to obtain the state of MTC equipment, and unified terminal can reach the demand that timer and implicit expression attachment removal timer are not sufficient to satisfy different MTC users.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of sense terminals to connect method and the device of losing, and can connect loss detection to the terminal, in time reports with the end message that connection is lost.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of sense terminals connects the method for losing, and in the subscription data at terminal, sets up to connect the detected parameters of losing; Said method comprises:
After network equipment receives the attach request at terminal, obtain the subscription data at said terminal, and said terminal is connected loss detection, and connect and report when losing detecting said terminal.
Preferably, the said connection detected parameters of losing comprises and connects the loss detection timer duration.
Preferably, said startup connects loss detection to said terminal and is:
Said MME is when the NAS signaling that discharges said terminal connects or the state at said terminal when changing idle condition over to; Start or restart said connection loss detection timer; Connect when setting up or the state at said terminal when changing connection status in the NAS at said terminal signaling, stop said connection loss detection timer.
Report when preferably, the said connection that detects said terminal is lost into:
During said connection loss detection timer expiry, said MME sends said terminal to terminal server or HSS or gateway and connects and lose report.
Preferably, said MME to terminal server or HSS or gateway send said terminal connect lose report after, said method also comprises:
Said MME carries out the attachment removal operation to said terminal; Wherein, said attachment removal is operating as the carrying that deletion is set up for said terminal, deletes the contextual information at said terminal.
Preferably, said method also comprises:
Said MME stops the terminal and can reach timer and/or implicit expression attachment removal timer when said connection loss detection timer expiry;
Said MME stops said connection loss detection timer when implicit expression attachment removal timer expiry.
Preferably, said network equipment is MME;
The said subscription data that obtains said terminal is:
MME at first searches the connection loss detection timer duration parameter that whether has said terminal in local contextual information; Obtain the subscription data at said terminal when not having from HSS, and confirm whether to comprise in the subscription data at said terminal the parameter of said connection loss detection timer duration.
A kind of sense terminals connects the device of losing, and said device comprises: unit, receiving element, acquiring unit, detecting unit are set and report the unit; Said receiving element, said acquiring unit, said detecting unit and the said unit that reports are located in the network equipment; Wherein,
The unit is set, is used for setting up the detected parameters that connection is lost at the subscription data at terminal; Wherein, the said connection detected parameters of losing comprises and connects the loss detection timer duration;
Receiving element is used to receive the attach request at terminal;
Acquiring unit is used to obtain the subscription data at said terminal;
Detecting unit is used for said terminal is connected loss detection;
Report the unit, be used for reporting when losing to the connection of said terminal in said detection.
Preferably; Said detecting unit is further used for; When the NAS signaling that discharges said terminal connects or the state at said terminal when changing idle condition over to; Start or restart said connection loss detection timer, connect when setting up or the state at said terminal when changing connection status over to, stop said connection loss detection timer in the NAS at said terminal signaling.
Preferably, the said unit that reports is further used for, and when said connection loss detection timer expiry, sends said terminal to terminal server or HSS or gateway and connects and lose report.
Preferably, said network equipment is MME;
Said acquiring unit is further used for; At first in local contextual information, search the connection loss detection timer duration parameter that whether has said terminal; Obtain the subscription data at said terminal when not having from HSS, and confirm whether to comprise in the subscription data at said terminal the parameter of said connection loss detection timer duration.
Among the present invention, connect the detected parameters of losing through in the subscription data at terminal, setting up, so that network side confirms whether the terminal is connected loss detection after receiving the attach request at terminal.Like this, when confirming that the terminal connection is lost, can lose situation, make things convenient for the terminal management personnel that the SOT state of termination is monitored to the connection of corresponding network device reporting terminal.The present invention has realized the terminal is connected the monitoring of whether losing through the loss detection timer is set; With less agreement change cost; Realized monitoring, remedied prior art, greatly facilitated monitoring management the terminal to the deficiency in the terminal management to the SOT state of termination.
Description of drawings
Fig. 1 is the structural representation of cellular radio communication system;
Fig. 2 connects the flow chart of the method for losing for sense terminals of the present invention;
Fig. 3 connects the composition structural representation of the device of losing for sense terminals of the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below lift embodiment and with reference to accompanying drawing, to further explain of the present invention.
Fig. 2 connects the flow chart of the method for losing for sense terminals of the present invention, and as shown in Figure 2, sense terminals of the present invention connects the method for losing and specifically may further comprise the steps:
Step 201 is set up the detected parameters that connection is lost in the subscription data at terminal.
This step is for realizing the basic steps of technical scheme of the present invention.The present invention at first is provided with the detected parameters that the connection at terminal is lost, and promptly the mode through subscription data realizes the terminal is connected the detection of losing.The terminal can determine whether to be connected loss detection through the subscription data that operator is provided with when networking.Concrete, the detected parameters that the connection among the present invention is lost is for connecting the relevant parameter of loss detection timer duration.Promptly connect the detection timer lose and realize detection the terminal through being provided with.
Step 202, network equipment receive the attach request at terminal.
The terminal need be attached to the mobile network who self registers after beginning or restarting, need to send attach request to network side.
After step 203, network equipment receive the attach request at terminal, search whether to comprise in the subscription data at said terminal and connect the detected parameters of losing, start connection loss detection when comprising said terminal.
After network equipment receives the attach request at terminal, confirm at first whether this terminal has contracted and connect the business of the detection of losing, just can start the detection that the connection at this terminal is lost when signatory, otherwise can not start this detections business.Certainly, it will be appreciated by those skilled in the art that before being attached to network, also comprise network flow processs such as the authentication at terminal and authentications and since this flow process with realize that technical scheme of the present invention is irrelevant, the related procedure the when terminal of repeating no more is inserted here.
Above-mentioned network equipment generally is meant MME; Whether comprise in the above-mentioned subscription data of searching said terminal and connect the detected parameters of losing and be: MME at first in local contextual information, search whether store the terminal subscription data (if promptly the terminal is that non-first attached is when network; MME can store from the subscription data at the terminal that HSS obtains and storage; Contextual information as this locality), further confirm whether comprise the relevant parameter that connects the loss detection timer duration in the subscription data at terminal sometimes; Obtain the subscription data at terminal when not having from HSS, and confirm whether to comprise in the subscription data at said terminal the relevant parameter of said connection loss detection timer duration.Concrete, MME carries the identification information at terminal to the request that HSS sends the subscription data that obtains the terminal in this request; HSS finds out the subscription data at terminal according to the identification information at terminal after receiving the request of obtaining subscription data of MME, and sends to MME, and MME preserves the subscription data at this terminal.The subscription data that obtains the terminal from HSS is a prior art, and its more details that realizes here repeats no more.
When MME confirms to comprise the relevant parameter that connects the loss detection timer duration in the subscription data at terminal; When the NAS signaling that discharges the terminal connects or the state at said terminal when changing idle condition over to; Start or restart said connection loss detection timer; Connect when setting up or the state at terminal when changing connection status in the NAS at terminal signaling, stop to connect the loss detection timer.Among the present invention, when connecting the loss detection timer expiry, think promptly that this terminal connects to lose.Here, it is that terminal and network side have been set up bearing link that the state at terminal changes connection status over to, and promptly terminal and network side have data service.
Step 204 reports when the connection that detects said terminal is lost.
Concrete, when connecting the loss detection timer expiry, MME sends the terminal to terminal server or HSS or gateway and connects and lose report.Inform promptly that this terminal of terminal server or HSS or gateway connects and lose.
Step 205, MME carries out the attachment removal operation to said terminal.
MME to terminal server or HSS or gateway send said terminal connect lose report after, MME carries out the attachment removal operation to said terminal; Wherein, attachment removal is operating as the carrying that deletion is set up for the terminal, the contextual information at deletion terminal.
Sense terminals of the present invention connects the method for losing and also comprises: be provided for detecting said terminal whether can and reached timer and/or the implicit expression attachment removal timer of attachment removal; MME stops the terminal and can reach timer and/or implicit expression attachment removal timer when connecting the loss detection timer expiry; When implicit expression attachment removal timer expiry, stop said connection loss detection timer.
Terminal among the present invention refers to MTC equipment especially.Terminal server refers to the MTC server especially.
Below, further illustrate the essence of technical scheme of the present invention through concrete example.
When 1, terminal unit contractual is to mobile radio communication; Whether Virtual network operator connects to lose to it according to user's demand needs is detected; And set to connect the value of loss detection timer according to user's request; And in case detect connect lose after, indication network is carried out attachment removal to this terminal, preserves as subscription data.
2, attach request is sent to MME in the terminal;
3, after MME receives the attach request at this terminal; The local subscription data whether this terminal is arranged of inspection; If no, then send and upgrade location request message to HSS, comprise the international mobile subscriber identity (IMSI at this terminal in this renewal location request message; International Mobile Subscriber Identification Number), the subscription data that shows this terminal of needs request; Here, the identification information at terminal can also be other identification informations beyond the IMSI, like the identification information of peculiar hardware in the terminal etc., as long as can this terminal of unique identification, and can be identified this terminal by HSS and gets final product.
4, HSS according to the sign IMSI at the terminal in the message, searches the subscription data at this terminal after the renewal location request message that receives the MME transmission, if comprise the subscription data at this terminal in the subscription data, then sends to MME through upgrading the position response message.In the subscription data that sends, comprise and connect loss detection timer (suppose terminal unit contractual should business).
5, MME constructs the terminal contextual information according to the subscription data that receives in this locality after the terminal unit contractual data that receive the HSS transmission, will connect the loss detection timer and preserve in this locality.
Be connected with the NAS signaling of MME if 6 terminals are set up after being attached to network immediately, carry out the NAS Signalling exchange, then connecting the loss detection timer wouldn't start; If the terminal is after being attached to network, get into idle condition, then when the state at MME record terminal is idle condition, start connection loss detection timer.
7,, the terminal (for example moves out current tracking area when need sending the NAS signaling to MME when the terminal; Need to send the tracing section updating demand signalling and give MME; Perhaps business datum need be sent in the terminal, and transmission service request signaling is asked to set up Data-carrying to MME and sent data, and this tracing section updating demand signalling or service request signaling are a NAS signaling); Setting up with after the NAS signaling of UE is connected, MME stops to connect the loss detection timer.
8, when terminal and MME completion NAS Signalling exchange, after MME discharges the connection of NAS signaling, connect the loss detection timer and restarted.
9, when connecting the loss detection timer to constantly, MME connects the incident of losing to terminal server or HSS or this terminal of gateway report, and attachment removal operation is carried out at this terminal, promptly deletes the carrying that this terminal is set up, the contextual information at this terminal of deletion in this locality.
If 10 connect the loss detection timers then after, and can reach timer or implicit expression attachment removal timer still in operation at the terminal of MME operation, then stop the terminal and can reach timer or implicit expression attachment removal timer.
If 11 implicit expression attachment removal timers then, the connection loss detection timer at terminal still in operation, is then stopped to connect the loss detection timer.
Fig. 3 connects the composition structural representation of the device of losing for sense terminals of the present invention; As shown in Figure 3, sense terminals of the present invention connects the said device of losing of device and comprises: unit 30, receiving element 31, acquiring unit 32, detecting unit 33 are set and report unit 34; Receiving element 31, acquiring unit 32, detecting unit 33 and report unit 34 to be located in the network equipment; Wherein,
Unit 30 is set, is used for setting up the detected parameters that connection is lost at the subscription data at terminal; Wherein, the said connection detected parameters of losing comprises and connects the loss detection timer duration;
Receiving element 31 is used to receive the attach request at terminal;
Acquiring unit 32 is used to obtain the subscription data at said terminal;
Detecting unit 33 is used for said terminal is connected loss detection;
Report unit 34, be used for reporting when losing to the connection of said terminal in said detection.
Above-mentioned detecting unit 33 is further used for; When the NAS signaling that discharges said terminal connects or the state at said terminal when changing idle condition over to; Start or restart said connection loss detection timer; Connect when setting up or the state at said terminal when changing connection status in the NAS at said terminal signaling, stop said connection loss detection timer.
The above-mentioned unit 34 that reports is further used for, and when said connection loss detection timer expiry, sends said terminal to terminal server or HSS or gateway and connects and lose report.
Above-mentioned network equipment is MME;
Above-mentioned acquiring unit 32 is further used for; At first in local contextual information, search the connection loss detection timer duration parameter that whether has said terminal; Obtain the subscription data at said terminal when not having from HSS, and confirm whether to comprise in the subscription data at said terminal the parameter of said connection loss detection timer duration.
Those skilled in the art are to be understood that; Those skilled in the art are to be understood that; It is for realizing that aforesaid sense terminals connects the method for losing and is provided with that sense terminals shown in Figure 3 connects the device of losing, and the realization function of each processing unit among the figure can connect the associated description of the method for losing and understands with reference to aforesaid sense terminals.It will be appreciated by those skilled in the art that the function that sense terminals shown in Figure 3 connects each processing unit in the device of losing can realize through the program that runs on the processor, also can realize through concrete logical circuit.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (11)
1. a sense terminals connects the method for losing, and it is characterized in that, in the subscription data at terminal, sets up to connect the detected parameters of losing; Said method comprises:
After network equipment receives the attach request at terminal, obtain the subscription data at said terminal, and said terminal is connected loss detection, and connect and report when losing detecting said terminal.
2. method according to claim 1 is characterized in that, the detected parameters that said connection is lost comprises connection loss detection timer duration.
3. method according to claim 2 is characterized in that, said startup connects loss detection to said terminal and is:
Said MME is when the Non-Access Stratum NAS signaling that discharges said terminal connects or the state at said terminal when changing idle condition over to; Start or restart said connection loss detection timer; Connect when setting up or the state at said terminal when changing connection status in the NAS at said terminal signaling, stop said connection loss detection timer.
4. method according to claim 2 is characterized in that, the said connection that detects said terminal report when losing into:
During said connection loss detection timer expiry, said MME sends said terminal to terminal server or home subscriber server HSS or gateway and connects and lose report.
5. method according to claim 4 is characterized in that, said MME to terminal server or HSS or gateway send said terminal connect lose report after, said method also comprises:
Said MME carries out the attachment removal operation to said terminal; Wherein, said attachment removal is operating as the carrying that deletion is set up for said terminal, deletes the contextual information at said terminal.
6. according to each described method of claim 2 to 5, it is characterized in that said method also comprises:
Said MME stops the terminal and can reach timer and/or implicit expression attachment removal timer when said connection loss detection timer expiry;
Said MME stops said connection loss detection timer when implicit expression attachment removal timer expiry.
7. method according to claim 2 is characterized in that, said network equipment is mobile management unit MME;
The said subscription data that obtains said terminal is:
MME at first searches the connection loss detection timer duration parameter that whether has said terminal in local contextual information; Obtain the subscription data at said terminal when not having from home subscriber server HSS, and confirm whether to comprise in the subscription data at said terminal the parameter of said connection loss detection timer duration.
8. a sense terminals connects the device of losing, and it is characterized in that said device comprises: unit, receiving element, acquiring unit, detecting unit are set and report the unit; Said receiving element, said acquiring unit, said detecting unit and the said unit that reports are located in the network equipment; Wherein,
The unit is set, is used for setting up the detected parameters that connection is lost at the subscription data at terminal; Wherein, the said connection detected parameters of losing comprises and connects the loss detection timer duration;
Receiving element is used to receive the attach request at terminal;
Acquiring unit is used to obtain the subscription data at said terminal;
Detecting unit is used for said terminal is connected loss detection;
Report the unit, be used for reporting when losing to the connection of said terminal in said detection.
9. device according to claim 8; It is characterized in that; Said detecting unit is further used for, and when the NAS signaling that discharges said terminal connects or the state at said terminal when changing idle condition over to, starts or restarts said connection loss detection timer; Connect when setting up or the state at said terminal when changing connection status in the NAS at said terminal signaling, stop said connection loss detection timer.
10. device according to claim 8 is characterized in that, the said unit that reports is further used for, and when said connection loss detection timer expiry, sends said terminal to terminal server or HSS or gateway and connects and lose report.
11. device according to claim 8 is characterized in that, said network equipment is MME;
Said acquiring unit is further used for; At first in local contextual information, search the connection loss detection timer duration parameter that whether has said terminal; Obtain the subscription data at said terminal when not having from HSS, and confirm whether to comprise in the subscription data at said terminal the parameter of said connection loss detection timer duration.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110046162.5A CN102651883B (en) | 2011-02-25 | 2011-02-25 | Detection terminal connects the method and device lost |
| PCT/CN2011/073725 WO2012113178A1 (en) | 2011-02-25 | 2011-05-06 | Method and apparatus for detecting connection loss of terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110046162.5A CN102651883B (en) | 2011-02-25 | 2011-02-25 | Detection terminal connects the method and device lost |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102651883A true CN102651883A (en) | 2012-08-29 |
| CN102651883B CN102651883B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110046162.5A Expired - Fee Related CN102651883B (en) | 2011-02-25 | 2011-02-25 | Detection terminal connects the method and device lost |
Country Status (2)
| Country | Link |
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| CN (1) | CN102651883B (en) |
| WO (1) | WO2012113178A1 (en) |
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| CN110062274A (en) * | 2019-04-30 | 2019-07-26 | 深圳市迅雷网络技术有限公司 | A kind of video file caching method, device, equipment and readable storage medium storing program for executing |
| CN114079960A (en) * | 2020-08-21 | 2022-02-22 | 中国移动通信集团重庆有限公司 | Processing method and device for network access exception, computing equipment and storage medium |
| CN114079960B (en) * | 2020-08-21 | 2023-11-21 | 中国移动通信集团重庆有限公司 | Processing method and device for network access exception, computing equipment and storage medium |
| CN114221894A (en) * | 2021-12-27 | 2022-03-22 | 中科海微(北京)科技有限公司 | Internet of things networking loss prevention system and method |
| CN114221894B (en) * | 2021-12-27 | 2024-01-26 | 中科海微(北京)科技有限公司 | Anti-loss system and anti-loss method for networking of Internet of things |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102651883B (en) | 2016-12-28 |
| WO2012113178A1 (en) | 2012-08-30 |
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