CN100493231C - Method, apparatus and system for realizing roaming limitation - Google Patents

Method, apparatus and system for realizing roaming limitation Download PDF

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Publication number
CN100493231C
CN100493231C CNB2006101574827A CN200610157482A CN100493231C CN 100493231 C CN100493231 C CN 100493231C CN B2006101574827 A CNB2006101574827 A CN B2006101574827A CN 200610157482 A CN200610157482 A CN 200610157482A CN 100493231 C CN100493231 C CN 100493231C
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China
Prior art keywords
message
radio access
access controller
user terminal
roaming
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CN1976534A (en
Inventor
杨胜强
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

A method for realizing limitation of roaming includes receiving switch-over message by attribution radio access controller and sending said message out by source radio access controller, judging whether object region switch over by user terminal is roaming limitation region or not by attribution radio access controller and carrying out roaming limitation operation on user terminal by attribution radio access controller if object region switched over by user terminal is roaming limitation region. The system used for realizing said method is also disclosed.

Description

A kind of method, Apparatus and system of realizing roaming restriction
Technical field
The present invention relates to communication technical field, be specifically related to a kind of method, Apparatus and system of realizing roaming restriction.
Background technology
Wireless local (Wireless Local Loop, WLL) network is to utilize wireless technology to provide the terminal traffic service for fixed terminal equipment or regional mobile terminal device, have advantages such as small investment, capacity is big, deployment is flexible, networking speed is fast, accommodative ability of environment is strong, network configuration is simple, be not subject to natural calamity and destroy.The WLL network can be used as replenishing of cable network, for operator provides abundant and economic more networking scheme.
Based on the WLL system group network of CDMA2000 as shown in Figure 1, Radio Access Controller (Radio AccessControl, RAC) can meet a plurality of base station transceivers (Base transceiverstation by Abis interface downwards, BTS), controlling whole wireless channel inserts, upwards connect local switch (Local Exchange by going out the V5 interface, LE) insert public switched telephone network (PSTN) (Public Switched TelephoneNetwork, PSTN), by the A10/A11 interface connect the accessing group data service network (Packet DataServing Node, PDSN); In RAC, (Virtual Core Network, VCN) module realizes the partial function of former CDMA mobile network MSC/VLR/HLR/AC equipment to the virtual core network, comprises mobile management, calls out control, functions such as authentication.In the local access of CDMA radio (CDMAWLL) system, because the operator of this system of deployment is relatively harsher to the demand that user's roaming limits for the consideration to factors such as the difference between rate, policy, movible licence plate, fixed network and the mobile network, competitions.Roam restriction and be meant that but requiring terminal only to carry out business at a roaming range of stipulating uses, and exceeds the business use that roaming range then stops the user.
Some random limiting methods have been proposed in wireless network at present, but all be by when the initial connecting system of user terminal (beginning exhales, page response or location registers) legitimacy is carried out in the user terminal region judge and realize the roaming limitation function.If but user terminal is at first at the random zone connecting system, entering the activated state industry of going forward side by side is engaged in, be moved to the restriction random zone of a vicinity in the situation of non-interrupting service, with inoperative, user terminal can be proceeded business at the restriction random zone to original roaming restricted version in the case to this situation.
Summary of the invention
The embodiment of the invention provides a kind of method, Apparatus and system of realizing roaming restriction, is used for solving existing network, and the user terminal that is in activated state enters restriction roaming district by switching and can also proceed professional problem.
The embodiment of the invention discloses a kind of method that realizes roaming restriction, this method comprises:
A, ownership Radio Access Controller receive and switch message, and described switching message is sent by the source Radio Access Controller;
B, described ownership Radio Access Controller judge according to described switching message whether the target area that user terminal switches belongs to the zone that roaming limits;
If the target area that the described user terminal of C switches belongs to the zone of roaming restriction, described ownership Radio Access Controller is carried out roaming restriction operation to described user terminal.
Further, before steps A, further comprise step:
A0, source Radio Access Controller receive user terminal to send up Pilot Strength Measurement Message PSMM, and described source Radio Access Controller carries out switching judging according to described PSMM message, need to switch then to send to the ownership Radio Access Controller to switch message.
Further, between steps A and B, further comprise step:
D, described ownership Radio Access Controller judge according to call context information whether the business that user terminal carries out is urgent call, if not execution in step B then.
Further, described switching message is handoff request message or switches execution message.
Further, described roaming restriction operation is specially:
Described ownership the Radio Access Controller message by having information indicating or short message before user traffic channel discharges carry the information that exceeds service area and send to described source Radio Access Controller;
Described source Radio Access Controller carries the information that exceeds service area with the described message that has an information indicating or short message and sends to described user terminal.
Further, described roaming restriction operation is specially:
By expansion V5 message informing local switch, the voice messaging that allows the local switch broadcast exceed service area is given described user terminal to described ownership Radio Access Controller before user traffic channel discharges.
Further, described roaming restriction operation is specially:
Described ownership Radio Access Controller discharges the back in user traffic channel and carries by service announcements message or short message and exceed service area information and send to described source Radio Access Controller;
Described source Radio Access Controller sends to described user terminal with described service announcements message or short message.
Preferably, when described switching message was handoff request message, described roaming restriction operation also comprises to the transmission of described source Radio Access Controller switched refuse information.
Further, described source Radio Access Controller is described ownership Radio Access Controller, and described switching message is inside story.
Further, described switching message comprises cell list information, and described ownership Radio Access Controller judges by the cell list information of carrying in the described switching message whether the target area that user terminal switches belongs to the zone that roaming limits.
Further, described user terminal is the activated state user terminal.
Embodiments of the invention also disclose a kind of device of realizing roaming restriction, and this device comprises: receiving element, decision unit, performance element;
Receiving element is used for the switching message that the reception sources Radio Access Controller sends;
Decision unit, judge according to described switching message whether the business that the activated state user terminal carries out is urgent call, when described business is non-emergency call, judge according to described switching message whether the target area that described user terminal switches belongs to the permission random zone, notice performance element when roaming is limited;
Performance element is used to receive the roaming limited information that described decision unit sends, and described user terminal is carried out roaming restriction operation.
Embodiments of the invention also disclose a kind of system that realizes roaming restriction, and this system comprises: first Radio Access Controller, second Radio Access Controller;
First Radio Access Controller is used to receive the PSMM message of user terminal to send up, and carries out switch decision according to described PSMM message, needs to switch then to send to second Radio Access Controller to switch message
Second Radio Access Controller, be used to receive described switching message, and judge according to described switching message whether the business that described user terminal carries out is urgent call, when described business is non-emergency call, judge whether the target area that described user terminal switches belongs to the zone that roaming limits, when roaming is limited, carry out the roaming restriction and operate.
Further, described system also comprises:
Information notification apparatus is used for roaming when limited at described user terminal, sends the message that exceeds service area to described user terminal; Described information notification apparatus directly notifies the user to exceed the information of service area to described user terminal by the message, short message or the service announcements message that have information indicating, perhaps by expansion V5 message informing local switch, the voice messaging that allows the local switch broadcast exceed service area is given described user terminal.
Further, described user terminal is the activated state user terminal.
Further, described first Radio Access Controller, second Radio Access Controller are same equipment, and described switching message is inside story.
Beneficial effect of the present invention is as follows:
Enriched roaming restriction solution, can effectively solve present user terminal and under activated state, enter the problem that the restriction random zone can also be proceeded business, satisfied some operator demand relatively harsher the roaming requirement for restriction by switching.
Description of drawings
Fig. 1 is the networking schematic diagram of CDMA2000 WLL in the prior art;
Fig. 2 realizes roaming the flow chart of the method embodiment one of restriction for the present invention is a kind of;
Fig. 3 realizes roaming the flow chart of the method embodiment two of restriction for the present invention is a kind of;
Fig. 4 is a kind of structure drawing of device of realizing roaming restriction of the embodiment of the invention;
Fig. 5 is a kind of system construction drawing of realizing roaming restriction of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, below in conjunction with the accompanying drawings and the specific embodiments the present invention is elaborated.
In the practical application, the switching of cdma system is divided into direct-cut operation and two kinds of situations of soft handover, describes respectively below.
Embodiment one:
The method that present embodiment is roamed restriction during to the user terminal direct-cut operation is elaborated.Referring to Fig. 2, this method comprises:
Step 201: (Radio Access Control RAC) reports Pilot Strength Measurement Message PSMM to user terminal to the source Radio Access Controller.
Reporting message comprises the reference pilot PN biasing and the pilot frequency intensity of Active Set, contents such as the pilot phase of Candidate Set pilot tone and pilot frequency intensity in this step.
Step 202: source RAC receives this reporting message, and when the RRM module determined that according to this message needs proceed to the direct-cut operation of Target cell, source RAC initiated the direct-cut operation flow process.
Step 203: source RAC sends the handoff request message of band cell list to ownership RAC.
In this step, source RAC also may belong to RAC exactly, if source RAC is ownership RAC, handoff request message is inside story.
Step 204: (Virtual Core Network, VCN) module receives handoff request message to the virtual core network of ownership RAC, judges whether the service call that user terminal carries out is urgent call.If user terminal is the urgent call of carrying out, carry out normal handover operation (concrete switching flow is identical with agreement, does not do detailed description at this), process ends is no longer carried out the step 205 and the step 206 of back; If what user terminal carried out is non-emergency call, execution in step 205.
Urgent call comprises and carries out 110 warnings, 120 first aids, 119 fire alarms or the like in this step.
Step 205:VCN judges whether the target area that this user terminal switches is the roaming confined area, if the target area is for allowing random zone, (concrete switching flow is identical with agreement to carry out normal handover operation, do not do detailed description at this), process ends is no longer carried out the step 206 of back; If the target area that user terminal switches is roaming confined area, execution in step 206.
In this step, the cell list information that the VCN module is carried by switching message is roamed the judgement of restriction.
Step 206: roam the restriction operation, specifically determine according to system configuration.
In this step, system can dispose one or more strategies and carry out this roaming restriction operation.The system configuration strategy has only a kind of the time directly roams the restriction operation according to this strategy; Also to select when system configuration is multiple, specifically how select, can come as the case may be to determine by operator.
Collocation strategy one: directly discharge the business that user terminal carries out.This scheme is not given any prompting of user, directly discharges professional.
Collocation strategy two: return and switch refuse information.This scheme does not allow to carry out the direct-cut operation flow process to user terminal.
Collocation strategy three: ownership RAC before user traffic channel discharges by having the message of information indicating
(Flash With Information) or short message carry " you have exceeded service area " information and are handed down to source RAC, and source RAC is handed down to user terminal with this message, and the prompting back discharges user traffic channel.
Collocation strategy four: ownership RAC before user traffic channel discharges by expansion V5 message informing LE, allow LE repeat playing " you exceeded service area " sound and given user terminal, prompting back release user traffic channel.
Collocation strategy five: ownership RAC discharges the back in user traffic channel and carries " by service announcements message (FeatureNotify Message) or short message you have exceeded service area " information and send to source RAC, and source RAC sends to the user to terminal with described message.
Embodiment two
Present embodiment is roamed restriction during soft handover to user terminal in RAC method is elaborated.Soft handoff procedure need not the VCN module and participates in control, and the roaming restriction is to carry out message trigger roaming restriction flow process according to the switching that reports the VCN module after soft handover is finished in the RAC.Referring to Fig. 3, idiographic flow comprises:
Step 301: (Radio Access Control RAC) reports PSMM message to user terminal to the source Radio Access Controller.
Reporting message comprises the reference pilot PN biasing and the pilot frequency intensity of Active Set, contents such as the pilot phase of Candidate Set pilot tone and pilot frequency intensity in this step.
Step 302: source RAC receives this reporting message, and when the RRM module determined that according to this message needs proceed to the soft handover of Target cell, source RAC initiated soft handoff procedure.
Step 303: after soft handover was finished, source RAC sent switching execution message to the VCN module of ownership RAC.
In this step, source RAC also may belong to RAC exactly, if source RAC is ownership RAC, switching execution message is inside story.
In this step, switching execution message comprises the Target cell list information after the user terminal soft handover is finished.
Step 304: after the VCN module of ownership RAC receives this switching execution message, judge whether the business that user terminal carries out is urgent call, if user terminal is the urgent call of carrying out, the VCN module is not done operation, process ends is no longer carried out the step 305 and the step 306 of back; If what user terminal carried out is non-emergency call, execution in step 305.
Urgent call comprises and carries out 110 warnings, 120 first aids, 119 fire alarms or the like in this step.
Step 305:VCN judges whether the target area that this user terminal switches is the roaming confined area, if the target area is for allowing random zone, the VCN module is not done operation, and process ends is no longer carried out the step 306 of back; If the target area that user terminal switches is roaming confined area, execution in step 306.
In this step, the cell list information that the VCN module is carried by switching execution message is roamed the judgement of restriction.
Step 306: roam the restriction operation, specifically determine according to system configuration.
In this step, system can dispose one or more strategies and carry out this roaming restriction operation.The system configuration strategy has only a kind of the time directly roams the restriction operation according to this strategy; Also to select when system configuration is multiple, specifically how select, can come as the case may be to determine by operator.
Collocation strategy one: directly discharge the business that user terminal carries out.This scheme is not given any prompting of user, directly discharges professional.
Collocation strategy two: ownership the RAC message (Flash With Information) by having information indicating or short message before user traffic channel discharges carry " you have exceeded service area " information and are handed down to source RAC, and source RAC is handed down to user terminal with this message.
Collocation strategy three: belong to RAC and pass through expansion V5 message informing LE before user traffic channel discharges, you have exceeded service area " sound to user terminal to allow LE play ".
Collocation strategy four: ownership RAC discharges the back in user traffic channel and carries " by service announcements message (FeatureNotify Message) or short message you have exceeded service area " information and send to source RAC, and source RAC sends to the user to terminal with described message.
Fig. 4 is a structure drawing of device of realizing the roaming restriction in the embodiment of the invention.Referring to Fig. 4, this device comprises:
Receiving element 401 is used for receiving and switches message, and this switches message and is sent by the residing source of user terminal Radio Access Controller.This receiving element is specially virtual core network (VirtualCore Network, VCN) module of Radio Access Controller.Triggering transmission switching message is specially: at first be that the activated state user terminal reports PSMM message to the RRM module of source Radio Access Controller, the judgement whether the source Radio Access Controller switches according to reporting message, switch if desired, then the receiving element 401 to the ownership Radio Access Controller sends switching message.Wherein, when the source Radio Access Controller was same equipment with the ownership Radio Access Controller, this switching message was inside story.
Decision unit 402, judge according to the switching message that receives whether the business that user terminal carries out is urgent call, when this business is non-emergency call, judge whether the target area that this user terminal switches belongs to the permission random zone, notice performance element 403 when roaming is limited;
Performance element 403 is used to receive the roaming limited information that decision unit 402 sends, and user terminal is carried out roaming restriction operation.Concrete roaming restriction operates in the front and has carried out detailed elaboration, does not do detailed description at this.
Fig. 5 is a structure chart of realizing the system of roaming restriction in the embodiment of the invention.Referring to Fig. 5, the equipment list that dotted line is described among Fig. 5 is shown optionally, and this system comprises:
Source Radio Access Controller 501 is used to receive the PSMM message of user terminal to send up, and carries out switch decision according to described PSMM message, needs to switch then to send to the ownership Radio Access Controller to switch message
Ownership Radio Access Controller 502, be used to receive described switching message, and judge according to described switching message whether the business that described user terminal carries out is urgent call, when described business is non-emergency call, judge whether the target area that described user terminal switches belongs to the zone that roaming limits, when roaming is limited, carry out the roaming restriction and operate.
Wherein, when the source Radio Access Controller was same equipment with the ownership Radio Access Controller, this switching message was inside story.
Information notification apparatus 503 is used for roaming when limited at described user terminal, sends the message that exceeds service area to described user terminal 501; Described information notification apparatus 503 can directly notify the user to exceed the information of service area to described user terminal by the message, short message or the service announcements message that have information indicating, also can be by expansion V5 message informing local switch, the voice messaging that allows the local switch broadcast exceed service area is given described user terminal.
Wherein, user terminal is the activated state user terminal in the embodiment of the invention, and the zone is sub-district or sector.
Wherein, technical scheme that the embodiment of the invention discloses not only is applied to CDMA WLL system, can also use and other various wireless networks.Comprise mobile networks such as GSM, CDMA, WCDMA.
By the above as can be seen, a kind of method, Apparatus and system of realizing roaming restriction that the embodiment of the invention provided, effectively solve present user terminal and under activated state, enter the problem that the restriction random zone can also be proceeded business, satisfy some operator demand relatively harsher the roaming requirement for restriction by switching.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (16)

1, a kind of method that realizes roaming restriction is characterized in that, this method comprises:
A, ownership Radio Access Controller receive and switch message, and described switching message is sent by the source Radio Access Controller;
B, described ownership Radio Access Controller judge according to described switching message whether the target area that user terminal switches belongs to the zone that roaming limits;
If the target area that the described user terminal of C switches belongs to the zone of roaming restriction, described ownership Radio Access Controller is carried out roaming restriction operation to described user terminal.
2, the method for realization roaming restriction as claimed in claim 1 is characterized in that, before steps A, further comprises step:
A0, source Radio Access Controller receive user terminal to send up Pilot Strength Measurement Message PSMM, and described source Radio Access Controller carries out switching judging according to described PSMM message, need to switch then to send to the ownership Radio Access Controller to switch message.
3, the method for realization roaming restriction as claimed in claim 1 is characterized in that, further comprises step between steps A and B:
D, described ownership Radio Access Controller judge according to call context information whether the business that user terminal carries out is urgent call, if not execution in step B then.
As the method for the arbitrary described realization roaming restriction of claim 1 to 3, it is characterized in that 4, described switching message is handoff request message or switches execution message.
5, the method for realization roaming restriction as claimed in claim 4 is characterized in that, described roaming restriction operation is specially:
Described ownership the Radio Access Controller message by having information indicating or short message before user traffic channel discharges carry the information that exceeds service area and send to described source Radio Access Controller;
Described source Radio Access Controller carries the information that exceeds service area with the described message that has an information indicating or short message and sends to described user terminal.
6, the method for realization roaming restriction as claimed in claim 4 is characterized in that, described roaming restriction operation is specially:
By expansion V5 message informing local switch, the voice messaging that allows the local switch broadcast exceed service area is given described user terminal to described ownership Radio Access Controller before user traffic channel discharges.
7, the method for realization roaming restriction as claimed in claim 4 is characterized in that, described roaming restriction operation is specially:
Described ownership Radio Access Controller discharges the back in user traffic channel and carries by service announcements message or short message and exceed service area information and send to described source Radio Access Controller;
Described source Radio Access Controller sends to described user terminal with described service announcements message or short message.
8, the method for realization roaming restriction as claimed in claim 4 is characterized in that, when described switching message was handoff request message, described roaming restriction operation also comprises to the transmission of described source Radio Access Controller switched refuse information.
9, as the method for the arbitrary described realization roaming restriction of claim 1 to 3, it is characterized in that described source Radio Access Controller is described ownership Radio Access Controller, described switching message is inside story.
10, the method that arbitrary described realization roaming limits as claim 1 to 3, it is characterized in that, described switching message comprises cell list information, and described ownership Radio Access Controller judges by the cell list information of carrying in the described switching message whether the target area that user terminal switches belongs to the zone that roaming limits.
11, as the method for arbitrary described realization roaming restriction in the claim 1 to 3, it is characterized in that described user terminal is the activated state user terminal.
12, a kind of device of realizing roaming restriction is characterized in that, this device comprises: receiving element, decision unit, performance element;
Receiving element is used for the switching message that the reception sources Radio Access Controller sends;
Decision unit, judge according to described switching message whether the business that the activated state user terminal carries out is urgent call, when described business is non-emergency call, judge according to described switching message whether the target area that described user terminal switches belongs to the permission random zone, notice performance element when roaming is limited;
Performance element is used to receive the roaming limited information that described decision unit sends, and described user terminal is carried out roaming restriction operation.
13, a kind of system that realizes roaming restriction is characterized in that, this system comprises: first Radio Access Controller, second Radio Access Controller;
First Radio Access Controller is used to receive the PSMM message of user terminal to send up, and carries out switch decision according to described PSMM message, needs to switch then to send to second Radio Access Controller to switch message;
Second Radio Access Controller, be used to receive described switching message, and judge according to described switching message whether the business that described user terminal carries out is urgent call, when described business is non-emergency call, judge whether the target area that described user terminal switches belongs to the zone that roaming limits, when roaming is limited, carry out the roaming restriction and operate.
14, the system of realization roaming restriction as claimed in claim 13 is characterized in that described system also comprises:
Information notification apparatus is used for roaming when limited at described user terminal, sends the message that exceeds service area to described user terminal; Described information notification apparatus directly notifies the user to exceed the information of service area to described user terminal by the message, short message or the service announcements message that have information indicating, perhaps by expansion V5 message informing local switch, the voice messaging that allows the local switch broadcast exceed service area is given described user terminal.
15, as the system of claim 13 or 14 arbitrary described realization roaming restrictions, it is characterized in that described user terminal is the activated state user terminal.
16, as the system of claim 13 or 14 arbitrary described realization roaming restrictions, it is characterized in that described first Radio Access Controller, second Radio Access Controller are same equipment, described switching message is inside story.
CNB2006101574827A 2006-12-12 2006-12-12 Method, apparatus and system for realizing roaming limitation Expired - Fee Related CN100493231C (en)

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CN102752829B (en) * 2007-06-25 2015-11-25 华为技术有限公司 Access processing method, device and subscriber equipment
CN101115301B (en) * 2007-08-07 2011-03-30 华为技术有限公司 Method for obtaining roaming state of mobile terminal, mobile terminal and system
CN101883347B (en) * 2009-05-08 2014-08-06 电信科学技术研究院 Switching control method and device of home network

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