CN102149105A - Off-line informing method, system and equipment - Google Patents
Off-line informing method, system and equipment Download PDFInfo
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- CN102149105A CN102149105A CN2010101109357A CN201010110935A CN102149105A CN 102149105 A CN102149105 A CN 102149105A CN 2010101109357 A CN2010101109357 A CN 2010101109357A CN 201010110935 A CN201010110935 A CN 201010110935A CN 102149105 A CN102149105 A CN 102149105A
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Abstract
The embodiment of the invention discloses an off-line informing method, an off-line informing system and off-line informing equipment in a machine type communication (MTC) system, which relate to the field of wireless communication, and aim to solve the problem of a method for acquiring the link condition of a machine type communication device (MD) by using an MTC server or an MTC user in the MTC system in time. In the invention, a mobility management entity (MME) or a serving general packet radio service support node (SGSN) detects whether the link of the MD in an idle state is available or not; and when the condition that the link of the MD is unavailable is detected, the MTC server and/or the MTC user is informed of the condition that the link of the MD is unavailable. By the method, the system and the equipment, the MTC server and/or the MTC user can acquire the link condition of the MD in time.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of method, system and equipment of off-line notice.
Background technology
In the existing protocol, the judgement scheme of following two kinds of terminals link accessibility under idle (IDLE) attitude is arranged:
Scheme one: the initiatively interior paging (paging) of initiated area of the Mobility Management Entity of network side (MME)/Serving GPRS Support Node (SGSN):
At Machine Type communication apparatus (MTC Device, MD) be in mobile management registration (EMM-REGISTERED) attitude and EPS Connection Management free time during (ECM-IDLE) attitude, after gateway (Serving Gateway) receives the downlink data that Machine Type communication server (MTC server) sends, carry out following two actions: action one: retain line data; Action two: the position of seeking the MME/SGSN that is associated with MD.This MME/SGSN is paging MD in the log-on field of MD initiatively, and attempt to set up user plane bearer, if MD receives the paging of MME/SGSN, then initiate service request procedure (Service Request procedure), be used to send upstream data to MTC server to set up a radio bearer.Network side can be judged MD and can reach at the link of IDLE attitude after receiving the upstream data of MD transmission.Otherwise, the MME/SGSN paging no response that MD initiates for MME/SGSN before the paging clock of safeguarding is expired, MME/SGSN can think that this MD is unreachable at the link of IDLE attitude, and sends a downlink data notification refuse information about paging failure (Downlink DataNotification Reject message) to Serving Gateway.At this moment, Serving Gateway carries out following two actions: action one: deletion is kept at the downlink data in the buffer area (buffer); Action two: the restriction chain of command removes this MD of paging.
Scheme two: MD initiatively reports own present connection status:
In current mechanism, when MD is in EMM-REGISTERED attitude and EMM-IDLE attitude, MD is trigger position area update (TRACKING AREA UPDATE initiatively, TAU) process, one of mechanism of TAU is, when periodic band of position refresh clock (TA update timer) was expired, MD can initiatively initiate a TAU process.Can initiate periodic band of position renewal process (tracking area updating procedure) for the low MD that moves (low mobility) application scenarios can reach with the link of informing network side MD.In addition, for the MD that the mobility demand is arranged, when MD found in the band of position that network side does not provide when it is registered, the present residing band of position (TA) tabulation (list of TAs), MD also can initiate acyclic TAU and can reach with the link of informing network side MD.
In existing TAU system, MD initiates the TAU process and comes to report the concrete handling process of link circuit condition of oneself as follows to MME/SGSN:
Step 1:MD initiates a TAU request (TAU request) to new MME (New MME).
Step 2:New MME obtains mobile management (MM) context of MD from original MME, or MD initiatively reports the MM context of oneself to New MME.
Step 3:New MME carries out authentication according to the MM context to MD.
Revise and rebulid carrying between step 4:New MME and the Serving GW.
Step 5:New MME carries out the position to be upgraded and registration process.
Step 6:New MME cancellation is carried with network S1 between the original Serving GW (old Serving GW).
After periodic TAU finishes, network side can be judged the Link State of MD, as MD when link can reach under the IDLE attitude, can initiate the network service request (Service Request) of Machine Type (MT) and handle downlink data from Serving Gateway to MD, MD also can report the upstream data of oneself simultaneously.
In realizing process of the present invention, the inventor finds to exist in the prior art following technical problem:
When the link of the MD that is in the IDLE attitude was unreachable, MTC server or MTC user can't be known the inaccessible information of link of this MD, and then can't determine in time whether this MD is in and can accept service state etc.
Summary of the invention
The embodiment of the invention provides method, system and the equipment of a kind of off-line notice, is used for solving the problem how Machine Type communication (MTC) the system Machine Type communication server (MTC server) or Machine Type communication user (MTC user) in time know the link circuit condition of Machine Type communication equipment (MD).
The method of the off-line notice in a kind of MTC system, this method comprises:
Whether the link that Mobility Management Entity MME or service universal grouping wireless business supporting node SGSN detect the Machine Type communication equipment MD that is in Idle state can reach;
MME or SGSN are when the link that detects described MD is unreachable, and the link of notice machine type communication server MTC server and/or the described MD of Machine Type communication user MTC user is unreachable.
A kind of management equipment, this equipment comprises:
The link detecting unit, whether the link that is used to detect the Machine Type communication equipment MD that is in Idle state can reach;
The off-line notification unit is used for detecting in described link detecting unit the link of described MD when unreachable, and the link of notice machine type communication server MTC server and/or the described MD of Machine Type communication user MTC user is unreachable.
A kind of Machine Type communication MTC system, this system comprises:
Mobility Management Entity MME/ service universal grouping wireless business supporting node SGSN, whether the link that is used to detect the Machine Type communication equipment MD that is in Idle state can reach; When the link that detects described MD was unreachable, the link of notice machine type communication server MTC server and/or the described MD of Machine Type communication user MTC user was unreachable;
Machine Type communication server MTC server is used to receive described notice;
Machine Type communication user MTC user is used to receive described notice;
Machine Type communication equipment MD is used for communicating by letter with MME or SGSN.
Among the present invention, MME/SGSN is when the link that detects the MD that is in Idle state is unreachable, the link of notice MTC server and/or this MD of MTC user is unreachable, thereby makes MTC server in the MTC system and/or MTC user can in time know the link circuit condition of MD.
Description of drawings
The method flow schematic diagram that Fig. 1 provides for the embodiment of the invention;
Fig. 2 A is the schematic flow sheet of the embodiment of the invention one;
Fig. 2 B is the schematic flow sheet of the embodiment of the invention two;
The system configuration schematic diagram that Fig. 3 provides for the embodiment of the invention;
The device structure schematic diagram that Fig. 4 provides for the embodiment of the invention;
The device structure schematic diagram that Fig. 5 provides for the embodiment of the invention.
Embodiment
How in time to know the problem of the link circuit condition of MD in order to solve MTC server in the MTC system or MTC user, the embodiment of the invention provides a kind of method of off-line notice, in this method, MME/SGSN detects the link of MD when unreachable, and the inaccessible information of the link of this MD is notified to MTC server and/or MTC user.
Referring to Fig. 1, the method for the off-line notice that the embodiment of the invention provides specifically may further comprise the steps:
Whether the link that step 10:MME or SGSN detect the MD that is in Idle state can reach;
Step 11:MME or SGSN are when the link that detects MD is unreachable, and the link of notice MTC server and/or this MD of MTC user is unreachable.
As a kind of embodiment, whether the link that MME or SGSN detect the MD be in Idle state in the step 10 can reach, and its specific implementation method is as follows:
When MME or SGSN arrived in the paging clock cycle that sets in advance, MD is carried out paging; The time span of this paging clock cycle is less than the time span of the maximum offline that sets in advance sign detecting clock, and the time span of maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side; MME or SGSN judge whether to receive this MD to the replying of this paging, if determine that then the link of MD can reach; Otherwise, determine that the link of MD is unreachable.
The method that above-mentioned MME or SGSN are provided with the paging clock cycle is as follows:
At first, MME or SGSN obtain the information that sets in advance the described maximum offline sign detecting clock in home signature user server HSS;
Then, MME or SGSN are provided with the time span little paging clock cycle of time span than maximum offline sign detecting clock.
As another kind of embodiment, whether the link that MME or SGSN detect the MD be in Idle state in the step 10 can reach, and its specific implementation method is as follows:
At first, MME or SGSN send the TAU that sets in advance to MD and trigger the clock cycle, initiate the TAU process to indicate this MD to trigger the clock cycle according to this TAU to network side; TAU triggers the time span of the time span of clock cycle less than maximum offline sign detecting clock, and the time span of maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
Then, MME or SGSN judge whether MD triggers the clock cycle according to TAU and initiate the TAU process to network side; If be judged as be, determine that then the link of MD can reach, otherwise, determine that the link of MD is unreachable.
Above-mentioned MME or SGSN send according to the TAU that sets in advance to MD and trigger the indication of clock cycle to network side initiation band of position renewal TAU process, and its concrete grammar is:
At first, MME or SGSN obtain the information of the maximum offline sign detecting clock that sets in advance in home signature user server HSS, and the time span little TAU triggering clock cycle of time span than maximum offline sign detecting clock is set;
Then, MME or SGSN are handed down to MD with the information that TAU triggers the clock cycle, initiate the TAU process to indicate this MD to trigger the clock cycle according to this TAU to network side.Concrete, MME or SGSN can be in adhering in (Attach) process that MD initiates, and the information that TAU is triggered the clock cycle is handed down to MD.
Above-mentioned MME or SGSN judge whether MD triggers the clock cycle according to TAU and initiate the TAU process to network side, its concrete grammar is: MME or SGSN determine whether MD detects clock less than the maximum offline sign to the clock cycle of the actual initiation of network side TAU process, determine promptly whether MD is higher than the frequency that TAU triggers the clock cycle correspondence to the frequency of the actual initiation of network side TAU process; If, judge that then MD triggers the clock cycle according to TAU and initiates the TAU process to network side, otherwise, judge that MD does not trigger the clock cycle according to TAU and initiates the TAU process to network side.
Maximum offline sign detecting clock among the present invention can be to be consulted to determine by Virtual network operator and MTC service supplier, and the information of the maximum offline sign of determining being detected clock by Virtual network operator or MTC Server writes HSS.The concrete value of maximum offline sign detecting clock can be between 1 minute～1 hour.
Below the present invention is specifically described:
Core viewpoint of the present invention is as judging that MTC server and MTC user know that in time reference data of MD Link State and network clocking connect subscription data.This paper will improve at current mechanism, make MD under low mobility characteristic, mode by the restriction clock frequency reaches the frequency that lowers the network mobility management, simultaneously, also must satisfy MTC server and the MTC user timely judgement for MD link accessibility.
In existing scheme, initiatively remove paging MD by MME/SGSN, perhaps periodically send TAU and report own state to MME by MD, can carry out under the prerequisite of MD IDLE attitude link accessibility detection, introduce a logic determines condition, and maximum offline sign detecting clock mechanism, deallocation closes the new features of MTC device: off-line notice (Offline Indication).With reasonable realization characteristic demand.Specific embodiment is as follows:
Embodiment one:
Referring to Fig. 2 A, present embodiment specifically may further comprise the steps:
Step S01:MD in signatory process with a maximum offline sign detecting clock (show MD and network actual disconnect is connected with examine measure the time difference that disconnection is connected generation) write each MTC customizer (subscription), the information of this maximum offline sign detecting clock is stored in HSS, and configurable.
The paging clock cycle that step S02:MME/SGSN uses when it is initiatively initiated paging, maximum offline sign detecting clock contrast with in the CAMEL-Subscription-Information is provided with a paging clock cycle of the MD under the IDLE attitude initiatively being initiated paging than the short MME/SGSN of maximum offline sign detecting clock.
The paging clock cycle that step S03:MME/SGSN can active maintenance be provided with, and regularly MD is initiated paging to detect the present Link State of this MD according to this paging clock cycle.
Step S04:MME/SGSN judges whether MD is initiated paging and receives replying of MD, if, then arrive step S05, otherwise, to step S06;
Step S05:MME/SGSN thinks that the link of MD of IDLE attitude can reach, and regularly initiates paging according to the paging clock, removes to detect the state of MD.
Step S06:MME/SGSN thinks that the link of MD of IDLE attitude is unreachable, and sends a MD and do not set up the notice (offline notification) that signaling connects and give MD server or MD user, goes to state that this MD is unreachable.
Embodiment two:
Participate in Fig. 2 B, present embodiment specifically may further comprise the steps:
Step S11:MD in signatory process with a maximum offline sign detecting clock (show MD and network actual disconnect is connected with examine measure the time difference that disconnection is connected generation) write each MTC customizer (subscription), the information of this maximum offline sign detecting clock is stored in HSS, and configurable;
The paging clock cycle that step S12:MME/SGSN uses when it is initiatively initiated paging, detect the clock contrast with the maximum offline sign in the CAMEL-Subscription-Information, MD a TAU triggering clock cycle under IDLE attitude shorter than maximum offline sign detecting clock is set;
Step S13: when MD is registered to network, initiate an Attach process, MME/SGSN is handed down to MD with the TAU triggering clock cycle of the MD of setting.It is shorter than the maximum offline sign detecting clock that HSS preserves that this TAU that MD safeguards triggers the clock cycle;
Step S14:MD triggers the clock cycle according to the TAU that receives from MME/SGSN and initiatively initiates periodic TAU when the IDLE attitude;
In the time of step S15:MD initiation next time TAU process, the maximum offline sign detecting clock that MME/SGSN can preserve clock cycle of the actual initiation of MD TAU and HSS when signatory relatively, whether the clock cycle of judging the actual initiation of MD TAU is greater than maximum offline sign detecting clock, if, then arrive step S16, otherwise, to step S17;
Step S16:MME/SGSN thinks that the link of MD of IDLE attitude is unreachable, and send a MD and do not set up the notice (offline notification) that signaling connects and give MD server or MD user, go to state that this MD is unreachable, MME waits for the process of MD initiation next time simultaneously, returns step S13.
Step S17:MME thinks that the link of MD of IDLE attitude can reach, and the TAU that continues monitoring MD is clock periodically, to confirm whether MD can reach, and returns step S14.
Referring to Fig. 3, the embodiment of the invention also provides a kind of MTC system, and this system comprises:
MME/SGSN30, whether the link that is used to detect the MD that is in Idle state can reach; When the link that detects described MD was unreachable, the link of notice MTC server and/or the described MD of MTC user was unreachable;
MTC server31 is used to receive described notice;
MTC user32 is used to receive described notice;
MD33 is used for communicating by letter with MME or SGSN.
As a kind of embodiment, described MME/SGSN30 is used for:
When the paging clock cycle that sets in advance arrives, described MD is carried out paging; The time span of described paging clock cycle is less than the time span of maximum offline sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
Judge whether to receive described MD to the replying of described paging, if determine that then the link of described MD can reach; Otherwise, determine that the link of described MD is unreachable.
This system also comprises:
HSS34, the information that is used to store described maximum offline sign detecting clock;
Described MME/SGSN30 is used for:
Obtain the information of the maximum offline sign detecting clock among the described HSS; The time span little paging clock cycle of time span than described maximum offline sign detecting clock is set.
As another kind of embodiment, described MME/SGSN30 is used for:
Send the TAU that sets in advance to described MD and trigger the clock cycle, initiate band of position renewal TAU process to network side to indicate described MD to trigger the clock cycle according to this TAU; Described TAU triggers the time span of the time span of clock cycle less than maximum offline sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
Judge whether described MD triggers the clock cycle according to described TAU and initiate the TAU process to network side;
Being judged as when being, determine that the link of described MD can reach, when being judged as not, determine that the link of described MD is unreachable.
Described MME/SGSN30 is used for:
Determine whether the frequency that described MD initiates the TAU process to network side is higher than the frequency that described TAU triggers the clock cycle correspondence, if, judge that then described MD triggers the clock cycle according to the TAU that sets in advance and initiates the TAU process to network side, otherwise, judge that described MD does not trigger the clock cycle according to the TAU that sets in advance and initiates the TAU process to network side.
This system also comprises:
HSS34, the information that is used to store described maximum offline sign detecting clock;
Described MME/SGSN30 is used for:
Obtain the information of the maximum offline sign detecting clock among the described HSS, and the time span little TAU triggering clock cycle of time span than described maximum offline sign detecting clock is set;
The described TAU triggering clock cycle is handed down to described MD, initiates the TAU process to network side to indicate described MD to trigger clock cycle according to this TAU.
Described MME/SGSN30 is used for:
To adhering in the Attach process that network side is initiated, the information that described TAU is triggered the clock cycle is handed down to described MD at described MD.
Referring to Fig. 4, the embodiment of the invention also provides a kind of management equipment, and this equipment comprises:
Link detecting unit 40, whether the link that is used to detect the MD that is in Idle state can reach;
Off-line notification unit 41 is used for detecting in described link detecting unit the link of described MD when unreachable, and the link of notice MTC server and/or the described MD of MTC user is unreachable.
As a kind of embodiment, described link detecting unit 40 comprises:
The clock setting unit is used to be provided with the paging clock cycle; The time span of described paging clock cycle is less than the time span of maximum offline sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
The equipment paging unit, the paging clock cycle that is used for being provided with in the clock setting unit is carried out paging to described MD when arriving;
Reply judging unit, be used to judge whether to receive described MD to the replying of described paging, if determine that then the link of described MD can reach; Otherwise, determine that the link of described MD is unreachable.
Described clock setting unit is used for:
Obtain the information that sets in advance the described maximum offline sign detecting clock in home signature user server HSS; The time span little paging clock cycle of time span than described maximum offline sign detecting clock is set.
As another kind of embodiment, described link detecting unit 40 comprises:
Clock issues the unit, is used for sending the TAU that sets in advance to described MD and triggers the clock cycle, initiates band of position renewal TAU process to indicate described MD to trigger the clock cycle according to this TAU to network side; Described TAU triggers the time span of the time span of clock cycle less than maximum offline sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
The cycle judging unit is used to judge whether described MD triggers the clock cycle according to described TAU and initiate the TAU process to network side;
Determining unit is used for when being judged as of cycle judging unit is as a result, determines that the link of described MD can reach, and when being judged as not, determines that the link of described MD is unreachable.
Described cycle judging unit is used for:
Determine whether the frequency that described MD initiates the TAU process to network side is higher than the frequency that described TAU triggers the clock cycle correspondence, if, judge that then described MD triggers the clock cycle according to the TAU that sets in advance and initiates the TAU process to network side, otherwise, judge that described MD does not trigger the clock cycle according to the TAU that sets in advance and initiates the TAU process to network side.
Described clock issues the unit and is used for:
Obtain the information that sets in advance the described maximum offline sign detecting clock in home signature user server HSS; The time span little TAU triggering clock cycle of time span than described maximum offline sign detecting clock is set; The information that described TAU is triggered the clock cycle is handed down to described MD, initiates the TAU process to indicate described MD to trigger the clock cycle according to this TAU to network side.
Described clock issues the unit and is used for:
To adhering in the Attach process that network side is initiated, the information that described TAU is triggered the clock cycle is handed down to described MD at described MD.
Described management equipment is: MME or SGSN.
Referring to Fig. 5, the embodiment of the invention also provides a kind of Machine Type communication equipment MD, and this equipment comprises:
Indication receiving element 50 is used to receive this MD of indication that MME or SGSN send and triggers the information of clock cycle to network side TAU process according to TAU; Described TAU triggers the time span of the time span of clock cycle less than maximum offline sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
TAU initiates unit 51, is used for triggering the clock cycle according to described TAU and initiates the TAU process to network side.
This equipment also comprises:
Network registry unit 52 is used for when needs are registered to network side, initiates to adhere to the Attach process to network side;
Described indication receiving element is used for receiving described information in described Attach process.
To sum up, beneficial effect of the present invention comprises:
In the scheme that the embodiment of the invention provides, MME/SGSN is when the link that detects the MD that is in Idle state is unreachable, the link of notice MTC server and/or this MD of MTC user is unreachable, thereby make MTC server in the MTC system and/or MTC user can in time know the link circuit condition of MD, and then in time hold MD according to the link circuit condition of MD and whether be in and accept service state.
Simultaneously, for the improvement of the determination methods of MD link connection status under the IDLE attitude, can be used as the new demand that a kind of effective mechanism satisfies MTC offline notification characteristic among the present invention.At first in improvement, require the part of a maximum offline sign detecting clock as subscription data write among the HSS, this clock initiates the TAU cycle clock as definition MD or MME initiates reference data of paging cycle clock, the cycle clock or the MME that have introduced a MD triggering TAU again initiate the paging cycle clock, with a logic determines that is stored in a maximum offline sign detecting clock among the HSS in the signatory process of MD, judged result is learnt the link accessibility of MD under the IDLE attitude, and whether network satisfies MME sends trigger condition from an offline notification to MTC device and MTC user for the judgement conduct of accessibility.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. the method for the off-line notice in the Machine Type communication MTC system is characterized in that this method comprises:
Whether the link that Mobility Management Entity MME or service universal grouping wireless business supporting node SGSN detect the Machine Type communication equipment MD that is in Idle state can reach;
MME or SGSN are when the link that detects described MD is unreachable, and the link of notice machine type communication server MTC server and/or the described MD of Machine Type communication user MTC user is unreachable.
2. the method for claim 1 is characterized in that, whether the link that described MME or SGSN detect the MD that is in Idle state can reach and comprise:
When MME or SGSN arrived in the paging clock cycle that sets in advance, described MD is carried out paging; The time span of described paging clock cycle is less than the time span of the maximum offline that sets in advance sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
MME or SGSN judge whether to receive described MD to the replying of described paging, if determine that then the link of described MD can reach; Otherwise, determine that the link of described MD is unreachable.
3. method as claimed in claim 2 is characterized in that, the described paging clock cycle is set comprise:
MME or SGSN obtain the information that sets in advance the described maximum offline sign detecting clock in home signature user server HSS;
MME or SGSN are provided with the time span little paging clock cycle of time span than described maximum offline sign detecting clock.
4. the method for claim 1 is characterized in that, whether the link that described MME or SGSN detect the MD that is in Idle state can reach and comprise:
MME or SGSN send the TAU that sets in advance to described MD and trigger clock cycle information, initiate band of position renewal TAU process to indicate described MD to trigger the clock cycle according to this TAU to network side; Described TAU triggers the time span of the time span of clock cycle less than the maximum offline sign detecting clock that sets in advance, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
MME or SGSN judge whether described MD triggers the clock cycle according to described TAU and initiate the TAU process to network side;
MME or SGSN determine that being judged as when being the link of described MD can reach, and when being judged as not, determine that the link of described MD is unreachable.
5. method as claimed in claim 4 is characterized in that, described MME or SGSN judge whether described MD initiates the TAU process according to the described TAU triggering clock cycle to network side and comprise:
MME or SGSN determine whether described MD detects clock less than described maximum offline sign to the clock cycle of the actual initiation of network side TAU process, if, judge that then described MD triggers the clock cycle according to described TAU and initiates the TAU process to network side, otherwise, judge that described MD does not trigger the clock cycle according to described TAU and initiates the TAU process to network side.
6. method as claimed in claim 4 is characterized in that, described MME or SGSN send the indication of initiating the TAU process to network side according to the TAU triggering clock cycle that sets in advance to described MD and comprise:
MME or SGSN obtain the information that sets in advance the described maximum offline sign detecting clock in home signature user server HSS, and the time span little TAU triggering clock cycle of time span than described maximum offline sign detecting clock is set;
MME or SGSN are handed down to described MD with the information that described TAU triggers the clock cycle, initiate the TAU process to indicate described MD to trigger the clock cycle according to this TAU to network side.
7. method as claimed in claim 6 is characterized in that, described MME or SGSN are in adhering in the Attach process that described MD initiates, and the information that described TAU is triggered the clock cycle is handed down to described MD.
8. a management equipment is characterized in that, this equipment comprises:
The link detecting unit, whether the link that is used to detect the Machine Type communication equipment MD that is in Idle state can reach;
The off-line notification unit is used for detecting in described link detecting unit the link of described MD when unreachable, and the link of notice machine type communication server MTC server and/or the described MD of Machine Type communication user MTC user is unreachable.
9. equipment as claimed in claim 8 is characterized in that, described link detecting unit comprises:
The clock setting unit is used to be provided with the paging clock cycle; The time span of described paging clock cycle is less than the time span of the maximum offline that sets in advance sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
The equipment paging unit, the paging clock cycle that is used for being provided with in the clock setting unit is carried out paging to described MD when arriving;
Reply judging unit, be used to judge whether to receive described MD to the replying of described paging, if determine that then the link of described MD can reach; Otherwise, determine that the link of described MD is unreachable.
10. equipment as claimed in claim 9 is characterized in that, described clock setting unit is used for:
Obtain the information that sets in advance the described maximum offline sign detecting clock in home signature user server HSS;
The time span little paging clock cycle of time span than described maximum offline sign detecting clock is set.
11. equipment as claimed in claim 8 is characterized in that, described link detecting unit comprises:
Clock issues the unit, is used for sending the TAU that sets in advance to described MD and triggers the clock cycle, initiates band of position renewal TAU process to indicate described MD to trigger the clock cycle according to this TAU to network side; Described TAU triggers the time span of the time span of clock cycle less than the maximum offline sign detecting clock that sets in advance, and the time speech length of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
The cycle judging unit is used to judge whether described MD triggers the clock cycle according to described TAU and initiate the TAU process to network side;
Determining unit is used for when being judged as of cycle judging unit is as a result, determines that the link of described MD can reach, and when being judged as not, determines that the link of described MD is unreachable.
12. equipment as claimed in claim 11 is characterized in that, described cycle judging unit is used for:
Determine whether described MD detects clock less than described maximum offline sign to the clock cycle of the actual initiation of network side TAU process, if, judge that then described MD triggers the clock cycle according to described TAU and initiates the TAU process to network side, otherwise, judge that described MD does not trigger the clock cycle according to described TAU and initiates the TAU process to network side.
13. equipment as claimed in claim 11 is characterized in that, described clock issues the unit and is used for:
Obtain the information that sets in advance the described maximum offline sign detecting clock in home signature user server HSS; The time span little TAU triggering clock cycle of time span than described maximum offline sign detecting clock is set; The information that described TAU is triggered the clock cycle is handed down to described MD, initiates the TAU process to indicate described MD to trigger the clock cycle according to this TAU to network side.
14. equipment as claimed in claim 13 is characterized in that, described clock issues the unit and is used for:
To adhering in the Attach process that network side is initiated, the information that described TAU is triggered the clock cycle is handed down to described MD at described MD.
15. equipment as claimed in claim 8 is characterized in that, described management equipment is:
Mobility Management Entity MME, or service universal grouping wireless business supporting node SGSN.
16. a Machine Type communication MTC system is characterized in that this system comprises:
Mobility Management Entity MME/ service universal grouping wireless business supporting node SGSN, whether the link that is used to detect the Machine Type communication equipment MD that is in Idle state can reach; When the link that detects described MD was unreachable, the link of notice machine type communication server MTC server and/or the described MD of Machine Type communication user MTC user was unreachable;
Machine Type communication server MTC server is used to receive described notice;
Machine Type communication user MTC user is used to receive described notice;
Machine Type communication equipment MD is used for communicating by letter with MME or SGSN.
17. system as claimed in claim 16 is characterized in that, described MME/SGSN is used for:
When the paging clock cycle that sets in advance arrives, described MD is carried out paging; The time span of described paging clock cycle is less than the time span of the maximum offline that sets in advance sign detecting clock, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
Judge whether to receive described MD to the replying of described paging, if determine that then the link of described MD can reach; Otherwise, determine that the link of described MD is unreachable.
18. system as claimed in claim 16 is characterized in that, described MME/SGSN is used for:
Send the TAU that sets in advance to described MD and trigger the clock cycle, initiate band of position renewal TAU process to network side to indicate described MD to trigger the clock cycle according to this TAU; Described TAU triggers the time span of the time span of clock cycle less than the maximum offline sign detecting clock that sets in advance, and the time span of described maximum offline sign detecting clock is represented the actual difference that disconnects between the time that time of being connected and network side detect this disconnection connection generation of MD and network side;
Judge whether described MD triggers the clock cycle according to described TAU and initiate the TAU process to network side;
Being judged as when being, determine that the link of described MD can reach, when being judged as not, determine that the link of described MD is unreachable.
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| CN201010110935.7A CN102149105B (en) | 2010-02-10 | 2010-02-10 | Off-line informing method, system and equipment |
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| CN102413451A (en) * | 2011-09-23 | 2012-04-11 | 电信科学技术研究院 | Method for offering reachable state information of terminal and device therefor |
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| CN103947271A (en) * | 2011-11-22 | 2014-07-23 | Sca艾普拉控股有限公司 | Paging off-line state terminals |
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| WO2013102316A1 (en) * | 2012-01-04 | 2013-07-11 | 中兴通讯股份有限公司 | Method and system for responding triggering information and mtc user equipment |
| CN103200553B (en) * | 2012-01-04 | 2018-05-08 | 中兴通讯股份有限公司 | Method, system and the MTC user equipmenies of response triggering information |
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| WO2013127122A1 (en) * | 2012-03-02 | 2013-09-06 | 中兴通讯股份有限公司 | Method and system for triggering mtc device |
| CN103491622A (en) * | 2012-06-12 | 2014-01-01 | 电信科学技术研究院 | Uplink transmission method and device |
| WO2016106561A1 (en) * | 2014-12-30 | 2016-07-07 | 华为技术有限公司 | Message reporting apparatus and method as well as data sending apparatus and method |
| CN105934964A (en) * | 2014-12-30 | 2016-09-07 | 华为技术有限公司 | Message reporting apparatus and method as well as data sending apparatus and method |
| CN105934964B (en) * | 2014-12-30 | 2019-11-29 | 华为技术有限公司 | Information reporting device and method, data sending device and method |
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| CN107395658B (en) * | 2016-05-17 | 2020-10-02 | 谷歌有限责任公司 | Offline peer-to-peer assisted notification transmission |
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