CN102883405B - Method, device and system for access control - Google Patents
Method, device and system for access control Download PDFInfo
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- CN102883405B CN102883405B CN201210382205.1A CN201210382205A CN102883405B CN 102883405 B CN102883405 B CN 102883405B CN 201210382205 A CN201210382205 A CN 201210382205A CN 102883405 B CN102883405 B CN 102883405B
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Abstract
An embodiment of the invention discloses a method, a device and a system for access control. The method includes that a terminal receives access control information. The access control information includes forbidding the terminal from being accessed into a circuit area and returning probability threshold of CSFB business. The terminal determines that the CSFB business access fails when the access probability factor selected by the terminal is larger than the probability threshold, or the access control information includes forbidding the terminal from being accessed into the CSFB business; or the terminal transmits RRC connection requests when the access control information includes forbidding the terminal from being accessed into a circuit area and returning probability threshold of CSFB business, and the access probability factor selected by the terminal is smaller than or equal to the probability threshold, or when the access control information includes allowing the terminal to be accessed into the indication of the CSFB business.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to connection control method, equipment and system.
Background technology
At existing Long Term Evolution (Long Term Evolution, LTE) in system, wireless heterogeneous networks (the Radio Resource Control of terminal, RRC) layer is receiving non-access (Non-Access, after the request of NAS) layer, initiation business is judged whether according to the access control restricted information that reason and the network of this request issue, if, then send RRC connection request (RRC Connection Request) message to evolution base station eNB, this message comprises sets up reason (Establishment Cause).ENB carries out access control according to the reason of setting up received.
At existing universal mobile telecommunications system (Universal Mobile TelecommunicationSystem, or global system for mobile communications (Global System for MobileCommunications UMTS), GSM) in, if need to control respectively circuit domain and packet domain, then start based on territory access control (Domain Specific Access Control, DSAC), to control the terminal of Idle state.
Realizing in process of the present invention, inventor finds: the reason of setting up for access control in LTE system only comprises urgent call (emergency), high-priority users (high Priority Access), called (mt-Access), signaling (mo-Signalling) and caller (mo-Data), therefore, terminal in LTE system can when Idle state, by circuit domain rollback (CS Fallback, CSFB) community in service access UMTS/GSM system, the DSAC started in UMTS system was lost efficacy, thus reduce the spatial load forecasting ability of UMTS/GSM system.If controlled when switch decision by UMTS/GSM network, the resource utilization of LTE network can be reduced.Therefore need to control CSFB business in LTE network.
Summary of the invention
The embodiment of the present invention provides connection control method, equipment and system.
Embodiments provide a kind of connection control method, comprising:
Terminal receives access control information;
Described terminal initiates circuit domain rollback CSFB business;
Described access control information comprises the probability threshold forbidding described terminal place in circuit territory rollback CSFB business, and the access probability factor that described terminal is selected is less than when being greater than described probability threshold, or when described access control information comprises the instruction forbidding described terminal access CSFB business, described terminal determines the failure of CSFB service access; Or,
Described access control information comprises the probability threshold forbidding described terminal place in circuit territory rollback CSFB business, and the access probability factor that described terminal is selected is greater than when being less than or equal to described probability threshold, or when described access control information comprises the instruction allowing described terminal access CSFB business, described terminal sends RRC connection establishment request connection request.
The embodiment of the present invention additionally provides a kind of connection control method, comprising:
Network equipment sends access control information;
Wherein, if the load of the target UMTS/GSM network of the LTE network residing for network equipment or wish rollback is excessive, or start DSAC for the target UMTS network of rollback, or know generation emergency, described access control information comprises the instruction forbidding terminal access CSFB business, or forbids the first probability threshold of described terminal access CSFB business; Otherwise described access control information comprises the instruction allowing terminal access CSFB business, or forbid the second probability threshold of described terminal access CSFB business.
Embodiments provide a kind of subscriber equipment, comprising:
First receiver module, for receiving access control information;
First control module, for comprising when described access control information the probability threshold forbidding described terminal place in circuit territory rollback CSFB business, and the access probability factor that described terminal is selected is when being greater than described probability threshold, or when described access control information comprises the instruction forbidding described terminal access CSFB business, determine the failure of CSFB service access; Or, when described access control information comprises the probability threshold forbidding described terminal place in circuit territory rollback CSFB business, and the access probability factor that described terminal is selected is when being less than or equal to described probability threshold, or when described access control information comprises the instruction allowing described terminal access CSFB business, send RRC connection request.
The embodiment of the present invention additionally provides a kind of network equipment, comprising:
Sending module, for sending access control information;
Wherein, if the load of the target UMTS/GSM network of the LTE network residing for network equipment or wish rollback is excessive, or start DSAC for the target UMTS network of rollback, or know generation emergency, described access control information comprises the instruction forbidding terminal access CSFB business, or forbids the first probability threshold of described terminal access CSFB business; Otherwise described access control information comprises the instruction allowing terminal access CSFB business, or forbid the second probability threshold of described terminal access CSFB business.
Embodiments provide a kind of access control system, comprising: described network equipment and subscriber equipment, described network equipment is for sending access control information;
Wherein, if the load of the target UMTS/GSM network of the LTE network residing for network equipment or wish rollback is excessive, or start DSAC for the target UMTS network of rollback, or know generation emergency, described access control information comprises the instruction forbidding terminal access CSFB business, or forbids the first probability threshold of described terminal access CSFB business; Otherwise described access control information comprises the instruction allowing terminal access CSFB business, or forbid the second probability threshold of described terminal access CSFB business; Described subscriber equipment is used for comprising when described access control information the probability threshold forbidding described terminal place in circuit territory rollback CSFB business, and the access probability factor that described terminal is selected is when being greater than described probability threshold, or when described access control information comprises the instruction forbidding described terminal access CSFB business, determine the failure of CSFB service access;
Or, when described access control information comprises the probability threshold forbidding described terminal place in circuit territory rollback CSFB business, and the access probability factor that described terminal is selected is when being less than or equal to described probability threshold, or when described access control information comprises the instruction allowing described terminal access CSFB business, send RRC connection request.In embodiments of the present invention, network equipment sends the access control information for CSFB business to terminal, make terminal can carry out access control to CSFB business, avoid the terminal of Idle state to be reduced the spatial load forecasting ability of UMTS/GSM system by the community in CSFB service access UMTS/GSM system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the connection control method flow chart that the embodiment of the present invention one provides;
Fig. 2 is the connection control method flow chart that the embodiment of the present invention two provides;
Fig. 3 is the connection control method flow chart that the embodiment of the present invention three provides;
Fig. 4 is the connection control method flow chart that the embodiment of the present invention four provides;
Fig. 5 is the user device architecture schematic diagram that embodiments of the invention five provide;
Fig. 6 is the structural representation of the network equipment that the embodiment of the present invention six provides;
Fig. 7 is the structural representation of the access control system that the embodiment of the present invention seven provides;
Fig. 8 is the structural representation of the access control system that the embodiment of the present invention eight provides.
Embodiment
The embodiment of the present invention provides a kind of connection control method, wherein, network side sends access control information, this access information comprises the instruction whether forbidding terminal access CSFB business or the probability threshold forbidding terminal access CSFB business that network equipment determines according to actual conditions, to carry out access control to the CSFB business of terminal.Accordingly, terminal receives access control information, when initiation CSFB business according to the instruction in access control information or probability threshold, determines the failure of CSFB service access, or sends RRC connection request.
Various embodiments of the present invention are applicable to LTE system or LTE+ system, network equipment sends the access control information for CSFB business to terminal, make terminal can carry out access control to CSFB business, the terminal of Idle state is avoided to be reduced the spatial load forecasting ability of UMTS/GSM system by the community in CSFB service access UMTS/GSM system, be conducive to UMTS system and realize stable spatial load forecasting by DSAC, what be also conducive to avoiding in LTE system and UMTS/GSM system is congested.
With reference to figure 1, the embodiment of the present invention one provides a kind of connection control method, mainly comprises:
Step 101: terminal receives access control information, this access control information comprises Boolean type (BOOLEAN) the variable ac-BarringForCSFB indicating whether to allow this terminal access CSFB business.
Such as, terminal receiving system broadcast, and read the access control information in this message.
Step 102: terminal carries out access control according to the instruction of this ac-BarringForCSFB.
Concrete, if this ac-BarringForCSFB indicates allow this terminal access CSFB business, such as this ac-BarringForCSFB is False, then terminal sends for accessing the RRC connection request of CSFB business to network equipment, as evolution base station eNB.If this terminal access CSFB business is forbidden in this ac-BarringForCSFB instruction, such as this ac-BarringForCSFB is True, then terminal determines the failure of CSFB service access.
Optionally, when terminal initiates CSFB business, according to this ac-BarringForCSFB, the rrc layer of terminal will judge whether network side allows its access CSFB business.If so, then the rrc layer of terminal sends RRC connection request (RRC Connection Request); Otherwise this CSFB service access failure of the NAS layer of notification terminal, the rrc layer of terminal can also notify the reason of NAS layer access failure.
Optionally, when terminal initiates CSFB business, according to the ac-BarringForCSFB that rrc layer provides, the NAS layer of terminal judges whether network side allows its access CSFB business.If so, then NAS layer triggers rrc layer and initiates RRC establishment of connection process, and rrc layer sends RRC connection request (RRCConnection Request) to network equipment, as eNB; Otherwise NAS layer determines this CSFB service access failure.
In other embodiments of the invention, indicate whether that the variable allowing this terminal to access CSFB business can be other forms, such as, utilize 1 bit to indicate in access control information, this bit is that 0 instruction allows this terminal to access CSFB business.
In the present embodiment, the access control information for CSFB business that terminal can send according to network equipment, access control is carried out to CSFB business, the terminal of Idle state is avoided to be reduced the spatial load forecasting ability of UMTS/GSM system by the community in CSFB service access UMTS/GSM system, be conducive to UMTS system and realize stable spatial load forecasting by DSAC, what be also conducive to avoiding in LTE system and UMTS/GSM system is congested.
With reference to figure 2, the embodiment of the present invention two provides another kind of connection control method, mainly comprises:
Step 201: terminal receives access control information, this access control information comprises the probability threshold ac-BarringFactor forbidding terminal access CSFB business.
Such as, terminal receiving system broadcast, and read the probability threshold aC-BarringConfig in the access control information in this message.
Step 202: terminal carries out access control according to this probability threshold ac-BarringFactor.
Concrete, the value of probability threshold ac-BarringFactor can be one of following set: p00, p05, p10, p15, p20, p25, p30, p40, p50, p60, p70, p75, p80, p85, p90, p95.Wherein, the value of ac-BarringFactor is that pxy represents that the value of this probability threshold is 0.xy.The probability threshold received with terminal is below for p05, and namely value is 0.05 to be described for example.
When terminal initiates CSFB business, the rrc layer of terminal is by random selecting access probability factor, and this access probability factor can be any number between 0 to 1.Suppose that this access probability factor is 0.01, then this access probability factor is less than probability threshold 0.05, and the rrc layer of terminal sends for accessing the RRC connection request of CSFB business to network equipment.Suppose that this access probability factor is 0.10, then this access probability factor is greater than probability threshold 0.05, the rrc layer of terminal determines this CSFB service access failure, and this CSFB service access failure of the NAS layer of notification terminal, the rrc layer of terminal can also notify the reason of NAS layer access failure.
Optionally, the rrc layer of terminal starts timer.At timer run duration, NAS layer can not trigger rrc layer and initiate RRC establishment of connection process; When timer stops, rrc layer will notify NAS layer, so that NAS layer triggers rrc layer again initiate RRC process of establishing.
In the present embodiment, the access control information for CSFB business that terminal can send according to network equipment, access control is carried out to CSFB business, the terminal of Idle state is avoided to be reduced the spatial load forecasting ability of UMTS/GSM system by the community in CSFB service access UMTS/GSM system, be conducive to UMTS system and realize stable spatial load forecasting by DSAC, what be also conducive to avoiding in LTE system and UMTS/GSM system is congested.
With reference to figure 3, the embodiment of the present invention three provides another kind of connection control method, mainly comprises:
Step 301: network equipment know LTE network residing for it or excessive for the load of the target UMTS/GSM network of rollback time, or when the target UMTS network knowing for rollback has started DSAC, or know when there is emergency, perform step 302.
Step 302: network equipment sends access control information, this access control information comprises the instruction forbidding terminal access CSFB business.
Concrete, the variable ac-BarringForCSFB in access control information is set to True and maybe will indicates whether that the variable set up allowing this terminal to access CSFB business is 1.Optionally, access control information is sent to terminal by system broadcast message or dedicated signaling by network equipment.
In other embodiments of the invention, network equipment after step 301, the first probability threshold forbidding terminal access CSFB business can be determined, and the access control information comprising this first probability threshold is sent to terminal by system broadcast message or dedicated signaling.Wherein, the first probability threshold that network equipment is determined is lower, and the possibility of terminal access service is less, therefore, when network equipment tends to forbid terminal access CSFB business, determines lower probability threshold, with limiting terminal access CSFB business.
In other embodiments of the invention, when network equipment knows that LTE network residing for it or the target UMTS/GSM network for rollback do not occur that load is excessive, or when knowing that the target UMTS network of wish rollback does not start DSAC, or at the end of knowing emergency, send access control information.This access control information can comprise the instruction allowing terminal access CSFB business, such as, the variable ac-BarringForCSFB in access control information is set to False and maybe will indicates whether that the variable set up allowing this terminal to access CSFB business is 0.The access control information that network equipment sends also can comprise the second probability threshold forbidding terminal access CSFB business that network equipment is determined.The probability threshold that network equipment is determined is relevant to the possibility of terminal access service, and therefore, network equipment when tending to allow terminal access CSFB business, can determine higher probability threshold.
At present, CSFB business is the blank area that LTE system and UMTS/GSM system access control, and the terminal access UMTS/GSM system of LTE system will cause the extra duty of UMTS/GSM system.In the present embodiment, network equipment sends the access control information for CSFB business to terminal, make terminal can carry out access control to CSFB business, the terminal of Idle state can be avoided by the community in CSFB service access UMTS/GSM system to be reduced the spatial load forecasting ability of UMTS/GSM system, be conducive to UMTS system and realize stable spatial load forecasting by DSAC, what be also conducive to avoiding in LTE system and UMTS/GSM system is congested.Such as, the network equipment of LTE system can by the access control information of the system broadcast message transmission in network-wide basis for CSFB business, make terminal can get access control information in time, namely in LTE system, access control is carried out to CSFB business, thus make up the blank of LTE system and UMTS/GSM system, the spatial load forecasting of UMTS/GSM can be made really to come into force, avoid instantaneous a large amount of CSFB speech business and cause the congested of network.
With reference to figure 4, the embodiment of the present invention four provides a kind of connection control method, mainly comprises:
Step 401: network equipment sends access control information to terminal.
This step can realize network equipment with reference to above-described embodiment three and determines and send access control information, repeats no more herein.
Step 402: terminal receives this access control information, and when initiating CSFB business, allow its access CSFB business according to this access control information determination network equipment, then terminal sends RRC connection request, and carries CSFB service identification in this RRC connection request.Such as, it can be used as the cause value of this RRC connection request.CSFB service identification can represent with special symbol.
When this step can realize terminal initiation CSFB business with reference to above-described embodiment one or embodiment two, determine to send RRC connection request according to access control information, repeat no more herein.
Step 403: network equipment receives RRC connection request.
Wherein, network equipment can according to the CSFB service identification determination terminal request access CSFB business in this RRC connection request message.Such as, the cause value that eNB reads this RRC connection request is * symbol, then know this terminal request access CSFB business.
Step 404: network equipment judges whether to allow terminal access CSFB business.If so, then RRC connection establishment message is sent to terminal; Otherwise, send refuse information to terminal.
Network equipment in this step can judge according to actual conditions, and it is all applicable that existing network equipment judges whether to allow the method for terminal access CSFB business, repeats no more herein.
The present embodiment is applicable to the systems such as LTE and LTE+, the access control information for CSFB business that terminal can send according to network equipment, access control is carried out to CSFB business, the terminal of Idle state is avoided to be reduced the spatial load forecasting ability of UMTS/GSM system by the community in CSFB service access UMTS/GSM system, be conducive to UMTS system and realize stable spatial load forecasting by DSAC, what be also conducive to avoiding in LTE system and UMTS/GSM system is congested, meanwhile, the upgrading of existing system is convenient to.In addition, the terminal in the present embodiment, by the CSFB service apprized network equipment of RRC connection request by request access, is convenient to network equipment and is known that the business that terminal request accesses is CSFB, thus promptly and accurately judge.
Corresponding with the method that the invention described above embodiment provides, see Fig. 5, the embodiment of the present invention five additionally provides a kind of subscriber equipment, and this subscriber equipment can realize the connection control method that above-described embodiment provides.This subscriber equipment comprises the first receiver module 501 and the first control module 502.
Wherein, first receiver module 501 may be used for receiving access control information, this access control information can be forbid the instruction of terminal access CSFB business, or allows the instruction of access CSFB business, or forbids the probability threshold of terminal place in circuit territory rollback CSFB business.
Optionally, the first control module 502 may be used for, when access control information comprises the instruction forbidding terminal access CSFB business, determining the failure of CSFB service access.This module can also be used for, when access control information comprises the instruction allowing terminal access CSFB business, sending RRC connection request.
Optionally, the first control module 502 may be used for comprising when access control information the probability threshold forbidding terminal place in circuit territory rollback CSFB business, and when the access probability factor selected is greater than probability threshold, determines the failure of CSFB service access.This module can also be used for comprising when described access control information the probability threshold forbidding described terminal place in circuit territory rollback CSFB business, and when the access probability factor that described terminal is selected is less than or equal to described probability threshold, sends RRC connection request.
Further, the first receiver module 501 can comprise: first receives submodule 5011 and obtain submodule 5012.Wherein, first submodule 5011 is received for receiving system broadcast.Obtain submodule 5012, for obtaining access control information from system broadcast message.
Further, the first control module 502 in this subscriber equipment or other modules when initiating CSFB business, can select above-mentioned access probability factor.Further, above-mentioned first receiver module 501 and the first control module 502 can be integrated in user terminal in whole or in part, rrc layer as terminal realizes the access control to the CSFB business of terminal, also can directly as the user terminal realizing the control of CSFB service access, the independent entity that can also be connected with terminal as.The subscriber equipment of the present embodiment goes in LTE system or LTE+ system, and access control information can be network equipment, and as evolution base station eNB provides, wherein, the CSFB business that access control information is used for subscriber equipment triggers controls.
In the present embodiment, the access control information for CSFB business that subscriber equipment can send according to network equipment, access control is carried out to CSFB business, the terminal of Idle state is avoided to be reduced the spatial load forecasting ability of UMTS/GSM system by the community in CSFB service access UMTS/GSM system, be conducive to UMTS system and realize stable spatial load forecasting by DSAC, what be also conducive to avoiding in LTE system and UMTS/GSM system is congested.
Shown in figure 6, the embodiment of the present invention six provides a kind of network equipment, and this network equipment can realize the connection control method that above-described embodiment provides.
This network equipment comprises sending module 601, and this sending module 601 is for sending access control information.Wherein, if the load of the target UMTS/GSM network of current LTE network or wish rollback is excessive, or start DSAC for the target UMTS network of rollback, or know generation emergency, access control information comprises the instruction forbidding terminal access CSFB business, or forbids the second probability threshold of terminal access CSFB business; Otherwise access control information comprises the instruction forbidding terminal access CSFB business, or forbid the first probability threshold of terminal access CSFB business.
Wherein, forbid or allow terminal to access the detailed description of the instruction of CSFB business, forbidding the content of the connection control method that the detailed description of the probability threshold of terminal access CSFB business can provide with reference to above-described embodiment, do not repeat them here; It should be noted that, when network side sends access control information, periodically can send, also can be issued to terminal by system broadcast message, mode the present invention that network side sends access control information does not limit.
Further, this network equipment can also comprise the second receiver module 602 and the second control module 603.Wherein, the RRC access request message that the second receiver module 602 sends for receiving terminal, access request message comprises CSFB service identification.Second control module 603, for allowing terminal access CSFB business when network equipment, sends RRC connection establishment message; Otherwise, send refuse information.
Network equipment in the present embodiment is by sending access control information, enable end side to the access control of CSFB business, thus the terminal avoiding LTE system accesses UMTS/GSM system at Idle state, also can prevent the congested of UMTS/GSM network node in time.
Corresponding with said method and device embodiment, the embodiment of the present invention seven additionally provides a kind of access control system, and shown in figure 7, this system can comprise subscriber equipment 701 and network equipment 702.
Wherein, subscriber equipment 701 can realize the connection control method that embodiment one or embodiment two provide, and such as, adopts the subscriber equipment that embodiment five provides.
Network equipment 702 is for sending access control information.Wherein, if the load of the target UMTS/GSM network of the LTE network residing for network equipment or wish rollback is excessive, or start DSAC for the target UMTS network of rollback, or know generation emergency, access control information comprises the instruction forbidding terminal access CSFB business, or forbids the first probability threshold of terminal access CSFB business; Otherwise access control information comprises the instruction allowing terminal access CSFB business, or forbid the second probability threshold of terminal access CSFB business.
Corresponding with said method and device embodiment, the embodiment of the present invention eight additionally provides another access control system, and this system can comprise network equipment 801 and subscriber equipment 802.
Wherein, network equipment 801 can realize the connection control method that embodiment three or embodiment four provide, and such as, adopts the network equipment that embodiment six provides.
Optionally, subscriber equipment 802 may be used for comprising when access control information the probability threshold forbidding terminal place in circuit territory rollback CSFB business, and the access probability factor that terminal is selected is when being greater than probability threshold, or when access control information comprises the instruction forbidding terminal access CSFB business, determine the failure of CSFB service access.
Optionally, subscriber equipment 802 may be used for comprising when access control information the probability threshold forbidding terminal place in circuit territory rollback CSFB business, and the access probability factor that terminal is selected is when being less than or equal to probability threshold, or when access control information comprises the instruction allowing terminal access CSFB business, send RRC connection request.
The present embodiment can be LTE system or LTE+ system, and network side can adopt eNB to realize, and subscriber equipment can be the terminals such as mobile phone or wherein part entity.The access control information that subscriber equipment issues by receiving network side, can realize the access control to CSFB business.Network equipment sends the access control information for CSFB business to terminal, make terminal can carry out access control to CSFB business, the terminal of Idle state can be avoided by the community in CSFB service access UMTS/GSM system to be reduced the spatial load forecasting ability of UMTS/GSM system, be conducive to UMTS system and realize stable spatial load forecasting by DSAC, what be also conducive to avoiding in LTE system and UMTS/GSM system is congested.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, above-mentioned program can be stored in a computer read/write memory medium, above-mentioned storage medium, as: ROM/RAM, magnetic disc, CD etc.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The connection control method provided the embodiment of the present invention above, equipment and system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment is just for helping method and the thought thereof of understanding the embodiment of the present invention; Meanwhile, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. a connection control method, is characterized in that, described method is applicable to Long Term Evolution LTE system or LTE+ system, and described method comprises:
Terminal receives access control information, and described access control information is that network equipment sends to described terminal;
Described terminal initiates circuit domain rollback CSFB business;
Meet described access control information and comprise the probability threshold forbidding described terminal access CSFB business, and when the access probability factor that described terminal is selected is greater than described probability threshold, described terminal determines the failure of described CSFB service access; Or,
Meet described access control information and comprise the probability threshold forbidding described terminal access CSFB business, and when the access probability factor that described terminal is selected is less than described probability threshold, described terminal sends radio resource control RRC connection request to described network equipment.
2. method according to claim 1, is characterized in that, described terminal receives access control information and comprises:
Described terminal receiving system broadcast, described system broadcast message comprises described access control information.
3. method according to claim 1 and 2, is characterized in that, described RRC connection request comprises CSFB service identification.
4. a subscriber equipment, is characterized in that, described subscriber equipment is applicable to Long Term Evolution LTE system or LTE+ system, and described subscriber equipment comprises:
First receiver module, for receiving access control information, described access control information is that network equipment sends to described subscriber equipment;
First control module, comprises for meeting described access control information the probability threshold forbidding described subscriber equipment place in circuit territory rollback CSFB business, and when the access probability factor selected is greater than described probability threshold, determines the failure of described CSFB service access; Or,
Comprise for meeting described access control information the probability threshold forbidding described subscriber equipment access CSFB business, and when the access probability factor selected is less than described probability threshold, send radio resource control RRC connection request to described network equipment.
5. subscriber equipment according to claim 4, is characterized in that, described first receiver module comprises:
First receives submodule, for receiving system broadcast;
Obtain submodule, for obtaining described access control information from described system broadcast message.
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| CN201210382205.1A CN102883405B (en) | 2009-06-16 | 2009-06-16 | Method, device and system for access control |
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