CN101335978B - Roaming limitation method for 1X EV-DO system - Google Patents
Roaming limitation method for 1X EV-DO system Download PDFInfo
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- CN101335978B CN101335978B CN2007101094862A CN200710109486A CN101335978B CN 101335978 B CN101335978 B CN 101335978B CN 2007101094862 A CN2007101094862 A CN 2007101094862A CN 200710109486 A CN200710109486 A CN 200710109486A CN 101335978 B CN101335978 B CN 101335978B
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Abstract
The invention relates to a roam limiting method of a 1X EV-DO system, including a treating process when in access, wherein the process comprises the following steps: step 1. When the terminal is accessed to the network, the current access network obtains roam allowing area information and the current position information of the terminal; step2. The access network on which the terminal is on judges whether the current position is in the roam allowing area, if true, the terminal is limited to roam at the current position. The roam limiting method of the 1X EV-DO system realizes the roam limit on the user, which is convenient for the operator to develop operations.
Description
Technical field
The present invention relates to the roaming limiting method of a kind of 1X EV-DO system, relate in particular to the roaming limiting method of CDMA20001X EV-DO system.
Background technology
CDMA2000 evolution-1X the EV-DO of forms data system (CDMA2000 1XEvolution-Data Only) is called for short CDMA2000 1X EV-DO.CDMA2000 1X EV-DO is a member of CDMA2000 standard family from high data rate HDR (the High Data Rate) system evolution of Qualcomm (high pass).Second group of 3GPP2 of in October, 2000 third generation partner program (Third Generation Partnership Project2; Abbreviation 3GPP2) formally issues CDMA20001X EV-DO standard; International Telecommunications Union's standard I TU in December calendar year 2001 (International Telecommunication Union is called for short ITU) formally passes a resolution the part of CDMA20001X EV-DO as IMT-2000 (international mobile communication) series standard.
CDMA20001X EV-DO be to data service have sudden strong, speed is high, up-downgoing is asymmetric, optimize delaying time insensitive characteristics a kind of for realizing the technology of high-speed radio Packet data service.Among this paper, CDMA20001X EV-DO abbreviates 1X EV-DO as.
In 1X EV-DO network; Routing does not need international mobile subscriber identifier IMSI (International Mobile Subscriber Identity; Be called for short IMSI) and mobile identification number MIN (Mobile Identification Number; Be called for short MIN), so accessing terminal, 1X EV-DO do not need to distribute in advance IMSI and/or MIN.In order successfully between the inner access network AN (AccessNetwork is called for short AN) of same packet data serving node PDSN (Packet Data System Node is called for short PDSN), to transmit session, the IMSI of portable terminal should be the same.Because portable terminal does not have IMSI, when AN begins a session between portable terminal and PDSN, just distribute an IMSI to portable terminal.In the standard of 1X EV-DO, introduced a new interface A12.It is the interface between AN and AN-authentication AN-AAA (and Accounting is called for short AN-AAA for Acess Network/Authentication, the Authorization) server.AN-AAA has two functions: the first, accomplish authentication to portable terminal; The second, accept in the message to IMSI value of AN foldback in its authentication, this IMSI is used for AN and PDSN sets up the A10 session.
In present 1X EV-DO system, during user's access, though the authentication process of oriented AN-AAA does not have corresponding interface and method to realize the roaming restriction to the user, this carries out for the business of operator and has brought inconvenience.
Summary of the invention
The technical problem that the present invention will solve provides the random limiting method of a kind of 1X EV-DO system, and said method has realized the roaming restriction of 1X EV-DO system to user terminal.
In order to address the above problem, the invention provides the random limiting method of a kind of 1XEV-DO system, comprise the processing procedure when inserting, this process comprises the steps:
Step 1: during accessing terminal to network, the roaming that the access network at its current place obtains said terminal allows area information and current location information;
Step 2: whether the current location that the access network at current place, terminal is judged said terminal in said roaming allows the zone, if do not exist, then limits said terminal and roams in current location.
Further, said method also comprises the processing procedure of terminal when same access network mid span area switches, and this process may further comprise the steps:
A, said terminal roaming move to another subnet under the same access network, and with said access network interaction locations information, said access network obtains said terminal current position information;
Whether the current location that B, the access network at current place, said terminal judge said terminal in said roaming allows the zone, if do not exist, then limits said terminal and roams in current location.
Further, described random limiting method also comprises the processing procedure the when terminal spans into the network switching, and this process may further comprise the steps:
A, access network roaming moves to the target access network network from the source at said terminal, and said target access network network obtains the current location information at said terminal, and to judge said terminal be to span into network to switch;
B, said target access network network is mutual to said source access network, and in said roaming allowed the zone, if do not exist, then said target access network network limited said terminal and roams in current location the current location of judging said terminal.
Further, in the described random limiting method, said step b further is divided into following steps:
B1, said target access network network sends the said terminal information of message request to the source access network, comprises the current location information at said terminal in the message;
B2, said source access network relatively judge said terminal current location whether the roaming at said terminal allow in the zone, if do not exist, send refuse information to said target access network network;
B3 after said target access network network is received said refuse information, limits said terminal and roams in current location.
Further, in the said step 1 of described random limiting method, the roaming that the access network at current place, terminal obtains said terminal allows the process of area information further to comprise the steps:
Step 1a: the access network at current place, said terminal obtains the authentication information at said terminal;
Step 1b: the access network at current place, said terminal sends the authentication system of the message of the authentication information that carries said terminal to access network;
Step 1c: the authentication system of said access network according to the authentication information at said terminal to said terminal authentication; After the authentication success, send the roaming of carrying said terminal and allow the message of area information to give the access network at current place, said terminal.
Further, described random limiting method, among the step 1a, the access network at said terminal and said terminal carries out point-to-point to be consulted, and said access network uses challenge handshake authentication protocol mode to obtain the authentication information at said terminal;
Among the step 1b, said message of carrying the authentication information at said terminal is that A12 inserts request, comprising network insertion identifier, agreement challenge and protocol responses information;
Among the step 1c, it is that A12 accepts message that the roaming of said carried terminal allows the message of area information, comprising the roaming permission area information at international mobile subscriber identifier and said terminal.
Further, described random limiting method, the access network at current place, terminal described in the step 2 limits said terminal and roams in current location, refuses said terminal for the access network at current place, terminal and roams in current location.
Further, described random limiting method also includes following steps in the said step 2: if the roaming of the current location at said terminal at said terminal allows in the zone, then the access network at current place, terminal allows said terminal to roam in current location.
Further, described random limiting method, the content of said refuse information is: the current location at said terminal does not allow in the zone in the roaming at said terminal.
Further; Described random limiting method; In the said step 2, the access network at current place, terminal allows said terminal to roam in current location, comprises the steps: that said source access network sends conferencing information response message message to said target access network network; Allow the current location roaming of user in the target access network network, the roaming that includes said terminal in the said message message allows area information.
The random limiting method of 1X EV-DO provided by the present invention system has been realized the roaming restriction to the user, and this has made things convenient for the business of operator to carry out.
Description of drawings
Fig. 1 is the block diagram of the random limiting method of 1X EV-DO of the present invention system.
Fig. 2 is a user terminal of the present invention when inserting, the flow chart of user terminal roaming restriction.
Fig. 3 is that user terminal of the present invention is striden Subnet when switching, the flow chart of user terminal roaming restriction.
Fig. 4 is that user terminal of the present invention is striden AN when switching, the flow chart of user terminal roaming restriction.
Embodiment
The purpose of this invention is to provide and a kind ofly realize that in 1X EV-DO system the user roams limiting method.As shown in Figure 1, the random limiting method of a kind of 1XEV-DO system comprises the steps:
Step 1: during accessing terminal to network, the roaming that the access network at its current place obtains said terminal allows area information and current location information;
Step 2: whether the current location that the access network at current place, terminal is judged said terminal in said roaming allows the zone, if do not exist, then limits said terminal and roams in current location.
Terminal AT (Access Teminal is called for short AT) carries out transfer of data through access network AN and packet data serving node PDSN visit Internet.Because the characteristic that moves at any time; In the process of visit Internet; AT may move to another zone from a zone under the same access network, just moves to another subnet from a sub-net (subnet), promptly strides subnet and switches; Also possibly move to another AN, promptly stride AN and switch from an AN.
The present invention provides the user that user terminal inserts, user terminal is striden the subnet switching, user terminal is striden under three kinds of situation of AN switching and roams limiting method.
As shown in Figure 2, when inserting to user terminal, the present invention realizes that the user roams limiting method, may further comprise the steps:
Step 101: user terminal A T inserts a wireless network, and sets up session with said access network AN.In this process, access network AN obtains the positional information (being called for short Current Area) at the current place of AT, terminal, for example current affiliated subnet Subnet;
Step 102:AN preserves the current zone position information Current Area of AT.
Step 103: terminal AT and access network AN carry out point-to-point PPP (Point-to-Point; Be called for short PPP) consult; Access network AN uses challenge handshake authentication protocol CHAP (ChallengedHandshake Authentication Protocol is called for short CHAP) mode to obtain the authentication information of AT.
Step 104: access network AN sends A12 and inserts request Access Request message to AN-AAA; Please carry out authentication to AT by AN-AAA; Carry the authentication information of AT in the message, said authentication information comprises information such as network insertion identifier NAI, authentication challenge CHAP-Challenge, Authentication Response CHAP-Response.
Step 105:AN-AAA carries out authentication according to NAI, CHAP-Challenge, CHAP-Response information to the user.If the authentication success is sent response A12 and accepted Access Accept message to AN, comprise in the message that the roaming that IMSI, user can insert allows area information (being called for short Reachable Area-List), the subnet tabulation that for example can insert.
Step 106:AN gets access to authenticating result from AN-AAA; Preserve the zone list Reachable Area List that the user can insert; And whether the zone C urrent Area at the current place of judges is in Reachable Area List; When realizing that user terminal inserts in the 1X EV-DO network, to the restriction of user terminal roaming.
Wherein in the step 106, if user's current region Current Area in the zone list Reachable Area-List that allows the user to insert, AN sends authentication success CHAP-Success message and gives user terminal, allows user terminal to continue to insert;
Wherein in the step 106, give the user if user's current location Current Area not in the zone list Reachable Area-List that allows the user to insert, sends failed authentication CHAP-Faliure message, refusing user's inserts.
As shown in Figure 3, when in same AN, striding the subnet switching to user terminal, the present invention realizes that the user roams limiting method, may further comprise the steps:
Step 201:AT inserts source region network Source AN from the subnet zone that allows to insert (Source Subnet), and successful access network.
Step 202:AT roaming moves to the another one zone same AN under, for example among another targeted subnet Target Subnet, and and AN interaction locations information.
Step 203:AN obtains the AT current position information, and preserves the current zone position information Current Area of user.
Whether the zone C urrentAre at the current place of step 204:Source AN judges is in the Reachable of AT Area-List.
Step 205: wherein in the step 204; If user's current location Current Area is not in the zone list Reachable Area-List that allows the user to insert; Source AN sends the CHAP-Faliure message and gives the user, discharges the relevant session of AT, and refusing user's continues to insert.
Step 206: wherein in the step 204, if user's current location Current Area in the zone list Reachable Area-List that allows the user to insert, AN sends the CHAP-Success message and gives the user, allows the user to continue to insert.
As shown in Figure 4, when striding the AN switching to the user, the present invention realizes that the user roams limiting method, may further comprise the steps:
The zone of step 301:AT from allowing to insert at Source AN, and successful access network.
Step 302:AT moves in the Target AN regional extent, sets up to Target AN initiation session, and in this process, TargetAN obtains the area information CurrentArea at AT place.
Step 303:Target AN preserves the Current Area information of AT, and judges the user and stride AN to switch.
Step 304:Target AN sends A13 Information Request SessionInformation Request message message to Source AN, and request user's information is comprising user's Current Area information.
Step 305:Source AN sends response A13 session information response SessionInformation Response message, the information such as Reachable Area List of wherein carrying user terminal to Target AN;
Step 306:Target AN obtains the Reachable Area List information of user terminal; Preserve the zone list Reachable Area List that the user can insert, and the zone C urrent Area at the current place of judges is whether in Reachable Area List;
Step 307: if the result that step 306 is judged is that the current position of user is not in allowing the zone list that inserts; Source AN sends session information refusal Session InformationReject message to Target AN; The Reason For Denial that carries in the message is: the current region of user is not in allowing the regional extent that inserts; Indication Target AN refusing user's inserts, and Target AN discharges the associated session of AT, and refusing user's inserts; When realizing that the user strides the AN switching in the 1X EV-DO network, to the restriction of user's roaming.
If the result that step 306 is judged is that user's Current Area is in user's ReachableArea-list; Source AN sends Session Information Reponse message to Target AN; Allow user's access; Then Target AN and Target PCF: for the user sets up the bottom link, the user can proceed transfer of data between Packet Control Function (Packet ControlFunction) and the PDSN.The present invention has realized that the user roams limiting method in the 1X EV-DO network, provides user's access, user to stride the user that subnet switches, the user strides under three kinds of situation of AN switching and has roamed limiting method, and this carries out for business of operator and has brought convenience.
Claims (9)
1. the random limiting method of a 1XEV-DO system is characterized in that, comprises the processing procedure when inserting, and this process comprises the steps:
Step 1: during accessing terminal to network, the roaming that the access network at its current place obtains said terminal allows area information and current location information;
Step 2: whether the current location that the access network at current place, terminal is judged said terminal in said roaming allows the zone, if do not exist, then limits said terminal and roams in current location;
Also comprise the processing procedure the when terminal spans into the network switching, this process may further comprise the steps:
A, access network roaming moves to the target access network network from the source at said terminal, and said target access network network obtains the current location information at said terminal, and to judge said terminal be to span into network to switch;
B, said target access network network is mutual to said source access network, and in said roaming allowed the zone, if do not exist, then said target access network network limited said terminal and roams in current location the current location of judging said terminal.
2. random limiting method as claimed in claim 1 is characterized in that, also comprises the processing procedure of terminal when same access network mid span area switches, and this process may further comprise the steps:
A, said terminal roaming move to another subnet under the same access network, and with said access network interaction locations information, said access network obtains said terminal current position information;
Whether the current location that B, the access network at current place, said terminal judge said terminal in said roaming allows the zone, if do not exist, then limits said terminal and roams in current location.
3. random limiting method as claimed in claim 1 is characterized in that, said step b further is divided into following steps:
B1, said target access network network sends the said terminal information of message request to the source access network, comprises the current location information at said terminal in the message;
B2, said source access network relatively judge said terminal current location whether the roaming at said terminal allow in the zone, if do not exist, send refuse information to said target access network network;
B3 after said target access network network is received said refuse information, limits said terminal and roams in current location.
4. random limiting method as claimed in claim 1 is characterized in that, in the said step 1, the roaming that the access network at current place, terminal obtains said terminal allows the process of area information further to comprise the steps:
Step 1a: the access network at current place, said terminal obtains the authentication information at said terminal;
Step 1b: the access network at current place, said terminal sends the authentication system of the message of the authentication information that carries said terminal to access network;
Step 1c: the authentication system of said access network according to the authentication information at said terminal to said terminal authentication; After the authentication success, send the roaming of carrying said terminal and allow the message of area information to give the access network at current place, said terminal.
5. random limiting method as claimed in claim 4 is characterized in that,
Among the step 1a, the access network at said terminal and said terminal carries out point-to-point to be consulted, and said access network uses challenge handshake authentication protocol mode to obtain the authentication information at said terminal;
Among the step 1b, said message of carrying the authentication information at said terminal is that A12 inserts request, comprising network insertion identifier, agreement challenge and protocol responses information;
Among the step 1c, it is that A12 accepts message that the roaming of said carried terminal allows the message of area information, comprising the roaming permission area information at international mobile subscriber identifier and said terminal.
6. according to claim 1 or claim 2 random limiting method is characterized in that the access network at current place, terminal described in the step 2 limits said terminal and roams in current location, refuses said terminal for the access network at current place, terminal and roams in current location.
7. random limiting method as claimed in claim 3; It is characterized in that; Also include following steps in the said step 2: if the roaming of the current location at said terminal at said terminal allows in the zone, then the access network at current place, terminal allows said terminal to roam in current location.
8. random limiting method as claimed in claim 7 is characterized in that,
The content of said refuse information is: the current location at said terminal does not allow in the zone in the roaming at said terminal.
9. random limiting method as claimed in claim 8 is characterized in that,
In the said step 2; The access network at current place, terminal allows said terminal to roam in current location; Comprise the steps: that said source access network sends conferencing information response message message to said target access network network; Allow the current location roaming of user in the target access network network, the roaming that includes said terminal in the said message message allows area information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101094862A CN101335978B (en) | 2007-06-26 | 2007-06-26 | Roaming limitation method for 1X EV-DO system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101094862A CN101335978B (en) | 2007-06-26 | 2007-06-26 | Roaming limitation method for 1X EV-DO system |
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| CN101335978A CN101335978A (en) | 2008-12-31 |
| CN101335978B true CN101335978B (en) | 2012-06-06 |
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| CN111866778B (en) * | 2019-04-29 | 2022-04-05 | 华为技术有限公司 | Authentication method, equipment and system based on roaming scene |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642343A (en) * | 2004-01-17 | 2005-07-20 | 华为技术有限公司 | Method for limiting random of mobile terminal in CDMA network |
| CN1859718A (en) * | 2005-04-26 | 2006-11-08 | 华为技术有限公司 | Method for precisely roaming limit |
| CN1867183A (en) * | 2005-12-31 | 2006-11-22 | 华为技术有限公司 | Service realizing system and method for access terminal |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642343A (en) * | 2004-01-17 | 2005-07-20 | 华为技术有限公司 | Method for limiting random of mobile terminal in CDMA network |
| CN1859718A (en) * | 2005-04-26 | 2006-11-08 | 华为技术有限公司 | Method for precisely roaming limit |
| CN1867183A (en) * | 2005-12-31 | 2006-11-22 | 华为技术有限公司 | Service realizing system and method for access terminal |
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