CN101237673B - A method and system for realizing network discovery and a base station and terminal - Google Patents
A method and system for realizing network discovery and a base station and terminal Download PDFInfo
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- CN101237673B CN101237673B CN2007100027790A CN200710002779A CN101237673B CN 101237673 B CN101237673 B CN 101237673B CN 2007100027790 A CN2007100027790 A CN 2007100027790A CN 200710002779 A CN200710002779 A CN 200710002779A CN 101237673 B CN101237673 B CN 101237673B
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Abstract
The invention discloses a method and a system for realizing network discovery as well as a terminal and a base station in a network access provider (NAP) network, wherein the NAP network sends the information of a network service provider (NSP) network which is directly connected with the NAP network to the terminal; the terminal judges whether the NSP network can be connected with the NSP network to which the NSP network belongs; if the judgment is YES, the NAP network is connected. Moreover, the terminal comprises an information acquisition unit, a processing unit and a connection execution unit, while the base station comprises an information storage unit and an information sending unit; meanwhile, the terminal can acquire the information of the NSP network having signed relation with the NSP network to which the terminal belongs, or the information of the NSP network having signed relation with the NSP network directly connected with the NAP network, thereby correctly selecting the NAP network according to the acquired NSP network information and ensuring that the terminal can be connected with the NSP network to which the terminal belongs.
Description
Technical field
The present invention relates to the network communications technology, particularly relate to a kind of method and system and a kind of base station and terminal that network is found of in micro-wave access to global intercommunication (WiMax) network, realizing.
Background technology
The WiMax network is a kind of network end to end, and higher access rate can be provided, for the broadband wireless technology provides wide application prospect.Fig. 1 is the structural representation of terminal WiMax network when roaming.Referring to Fig. 1; Situation about roaming for the terminal; The WiMax network comprises: the connectivity service network (CSN) and the application of the access service network (ASN) of terminal (SS/MSS), Network Access Provider (NAP) administration, Internet Service Provider (NSP) administration provide provider network or internet (ASP Network OR Internet); Wherein, CSN is the CSN of the NSP administration of terminal attaching, i.e. the CSN that administered of Home NSP.The structural representation of WiMax network when Fig. 2 is terminal generation roaming.Referring to Fig. 2, the situation of roaming takes place for the terminal, CSN not only comprises the CSN that Home NSP is administered, but also comprises the CSN that NSP administered on terminal roaming ground, i.e. the CSN that administered of Visited NSP.
Fig. 3 is two kinds of deployment way sketch mapes of WiMax network.Referring to Fig. 3, there are two kinds of network design modes in the WiMax network.Wherein, a kind of is the NAP+NSP mode, promptly the ASN among NAP only with a fixing NSP in CSN link to each other; Another kind is the mode that the ASN among the NAP shares, and promptly the ASN among NAP links to each other with a plurality of CSN among a plurality of NSP.
In the WiMax network, the terminal must be carried out network and found that the NSP that is connected to its ownership through on-site NAP is Home NSP, thereby accomplishes follow-up business procedure everywhere, such as the authentication of in HomeNSP, carrying out the terminal and service billing etc.
Fig. 4 is a flow chart of realizing that in the prior art network is found.Referring to Fig. 1 to Fig. 4, when the ASN sharing mode among the WiMax network using NAP, in the prior art, the process that the network discovery is carried out at the terminal mainly may further comprise the steps:
Step 401: the NAP network that all can insert is confirmed at the terminal.
Step 402: each NAP network, the information of each NSP network that respectively will be direct-connected with it is sent to the terminal.
In this step, the mode that the information of NSP network is sent to the terminal comprises: mode one, NAP network are on one's own initiative or after receiving the terminal sent request, and the information of each NSP network that will be direct-connected with it through broadcast is sent to the terminal; Mode two, in the capability negotiation stage of terminal and network side; After the NAP network received basic capability negotiating request (SBC_REQ) message of the service identifiers request of carrying (SIQ) information of sending at the terminal, the information of each NSP network that will be direct-connected with it through basic capability negotiating response (SBC_RSP) message was sent to the terminal.
Step 403: the NSP network is selected according to the information that can insert all NSP networks that the NAP network sends in the terminal.
Step 404: the NAP network with the NSP direct network connection of selecting is confirmed at the terminal, and through this NAP network insertion.
Can find out that by above description when the ASN sharing mode among the WiMax network using NAP, in the prior art, the NAP network insertion can only be selected according to the information of the NSP network of its NAP direct network connection that can insert in the terminal.Like this; When at the terminal roaming taking place, the NSP network of its ownership then can't be confirmed can be linked into through which NAP network and NSP network in the terminal, and is visible; Prior art can't guarantee the correct network insertion of terminal selection, thereby can't guarantee that the terminal is connected to the NSP network of its ownership.
In addition, in the prior art, when accomplishing the network discovery in capability negotiation stage; Terminal and network side must at first carry out the mutual and resource allocation process of various message in time-frequency adjustment (Ranging) process; And then carry out the mutual of various message in the capability negotiation process, could make the terminal obtain corresponding and the NSP network information NAP direct network connection, therefore; It realizes that process need takies the long time, and has increased institute's interactive messages quantity.Further; If capability negotiation stage at terminal and network side; Correct network insertion finally can't be selected in the terminal, so, has wasted the shared interface-free resources of interacting message in the various Radio Resources that in the Ranging process, distributed and the Ranging process then meaninglessly.
Summary of the invention
In view of this; First purpose of the embodiment of the invention is to provide a kind of method that network is found that in the WiMAX network, realizes; Second purpose of the embodiment of the invention is to provide a kind of system that network is found that in the WiMAX network, realizes; The 3rd purpose of the embodiment of the invention is to provide a kind of terminal, and the 4th purpose of the embodiment of the invention is to provide the base station in a kind of NAP network, can be connected to the NSP network of its ownership so that guarantee the terminal.
In order to achieve the above object, the technical scheme of the embodiment of the invention is achieved in that
A kind of method that realizes that network is found, this method comprises:
When roaming takes place in the terminal, receive send by Network Access Provider NAP network, with the information of the Internet Service Provider NSP network of this NAP direct network connection;
Judgement exists in the NSP network information of contract signing relationship in the ownership NSP network information of obtaining in advance with this ownership NSP network, whether can find the NSP network information with said NAP direct network connection, if then confirm to be connected to the NSP network of its ownership.
A kind of method that realizes that network is found, the information of its ownership of configuration NSP network on the terminal; This method comprises:
When roaming takes place in the terminal, receive send by the NAP network, obtain in advance have the NSP network information of contract signing relationship with this NAP direct network connection NSP network;
Whether judgement can find the NSP network information of pre-configured terminal attaching in all NSP network informations that receive, if can find, then confirm to be connected to the NSP network of its ownership.
A kind of system that realizes that network is found, this system comprises: the terminal when the NAP network is roamed with generation, wherein,
The NAP network is used for the information of the NSP network direct-connected with it is sent to the terminal;
The terminal; Be used to obtain the ownership NSP network information and have the NSP network information of contract signing relationship with this ownership NSP network; And judge in the NSP network information of obtaining; Whether can find the NSP network information with said NAP direct network connection, judge can find after, confirm to be connected to the NSP network of its ownership.
A kind of system that realizes that network is found, this system comprises: the terminal when the NAP network is roamed with generation, wherein,
The NAP network is used to obtain the NSP network information that there is contract signing relationship in NSP network direct-connected with it, and the NSP network information that this obtains is sent to the terminal;
The terminal disposes the information that it belongs to the NSP network, judges in all NSP network informations that the NSP network is sent, and whether can find the NSP network information of the ownership of preserving at the terminal, if can find, then confirms to be connected to the NSP network of its ownership.
A kind of terminal, when being applied to it roaming taking place, this terminal comprises: information acquisition unit, processing unit and be connected performance element, wherein,
Information acquisition unit is used to receive the information of the NSP network direct-connected with it that the NAP network sends; And obtain the NSP network information of terminal attaching and have the NSP network information of contract signing relationship with this ownership NSP network;
Processing unit; Be used for according to the received NSP network information of information acquisition unit; Judgement exists in the NSP network information of contract signing relationship in the ownership NSP network information of obtaining with this ownership NSP network; Whether can find the NSP network information with said NAP direct network connection, judge can find after, confirm to be connected to the NSP network of its ownership;
Connect performance element, be used for receiving the said NAP network of connection indication back access.
Base station in a kind of NAP network, this base station comprises: information memory cell and information transmitting unit, wherein,
Information memory cell, be used to obtain and preservation and base station under the NAP direct network connection the NSP network information and with the base station under the NSP network of NAP direct network connection have the NSP network information of contract signing relationship;
Information transmitting unit, be used for information memory cell is preserved with the base station under the NAP direct network connection the NSP network information and with the base station under the NSP network of the NAP direct network connection terminal when existing the NSP network information of contract signing relationship to be sent to roaming takes place.
This shows; In embodiments of the present invention; The terminal can obtain the NSP network information that has contract signing relationship with its ownership NSP network; Perhaps obtain the NSP network information that has contract signing relationship with the NSP network of NAP direct network connection, thereby can correctly select the NAP network, guarantee that the terminal can be connected to the NSP network of its ownership according to the NSP network information of being obtained.
In addition; In embodiments of the present invention, owing to can make the terminal obtain the corresponding NSP network information through RNG_REQ in the time-frequency adjustment process and RNG_RSP message, rather than the handling capacity negotiations process makes the terminal obtain the corresponding NSP network information in the prior art; Therefore; Reduce the shared time of network discovery process, and reduced institute's interactive messages quantity, reduced the complexity of business realizing.
Description of drawings
Fig. 1 is the structural representation of terminal WiMax network when roaming.
The structural representation of WiMax network when Fig. 2 is terminal generation roaming.
Fig. 3 is two kinds of deployment way sketch mapes of WiMax network.
Fig. 4 is a flow chart of realizing that in the prior art network is found.
Fig. 5 is a system configuration sketch map of realizing that in embodiments of the present invention network is found.
Fig. 6 is the structural representation at the terminal that provides in embodiments of the present invention.
Fig. 7 is the structural representation of base station in the NAP network that provides in embodiments of the present invention.
Fig. 8 is a flow chart of realizing the embodiment of the invention 1 of network discovery.
Fig. 9 is a flow chart of realizing the embodiment of the invention 2 of network discovery.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, the present invention is done to describe in detail further below in conjunction with accompanying drawing and specific embodiment.
The embodiment of the invention has proposed a kind of system that realizes that network is found.Fig. 5 is a system configuration sketch map of realizing that in embodiments of the present invention network is found.Referring to Fig. 5, this system comprises: NAP network and terminal, wherein,
The NAP network is used for the information of the NSP network direct-connected with it is sent to the terminal;
The terminal is used to judge the NSP network through said NAP direct network connection, whether can be connected to the NSP network of its ownership, after confirming to be connected to the NSP network of its ownership, inserts said NAP network.
Correspondingly, the embodiment of the invention has also proposed a kind of terminal.Fig. 6 is the structural representation at the terminal that provides in embodiments of the present invention.Referring to Fig. 6, this terminal comprises: information acquisition unit, processing unit and be connected performance element, wherein,
Information acquisition unit is used to receive the information of its direct-connected NSP network that the NAP network sends;
Processing unit; Be used for according to the received NSP network information of information acquisition unit, judge NSP network, whether can be connected to the NSP network of its ownership through said NAP direct network connection; After confirming to be connected to the NSP network of its ownership, will connect indication and be sent to the connection performance element;
Connect performance element, be used for receiving the said NAP network of connection indication back access.
Referring to Fig. 6, in the terminal that the embodiment of the invention provides, said information acquisition unit is further used for obtaining the NSP network information of terminal attaching and has the NSP network information of contract signing relationship with this ownership NSP network;
Said processing unit is used for judging the NSP network information of obtaining in information acquisition unit, whether can find the NSP network information with said NAP direct network connection, judge can find after, confirm to be connected to the NSP network of its ownership.
Correspondingly, the embodiment of the invention has also proposed the base station in a kind of NAP network.Fig. 7 is the structural representation of base station in the NAP network that provides in embodiments of the present invention.Referring to Fig. 7, this base station comprises: information memory cell and information transmitting unit, wherein,
Information memory cell is used to preserve the information that belongs to the NSP network of NAP direct network connection with the base station;
Information transmitting unit, the information with NSP network place, base station NAP direct network connection that be used for information memory cell is preserved is sent to the terminal.
Referring to Fig. 7, in the base station of the NAP network that the embodiment of the invention proposed, said information memory cell is further used for obtaining and there is the NSP network information of contract signing relationship in the NSP network of preservation and place, base station NAP direct network connection; Said information transmitting unit is further used for existing the NSP network information of contract signing relationship to be sent to the terminal on the NSP network of preserving in the information memory cell with place, base station NAP direct network connection.
Correspondingly, the embodiment of the invention has also proposed a kind of method that realizes that network is found.In the method, at first, the information of the NSP network that the NAP network will be direct-connected with it is sent to the terminal; Then, whether terminal judges can be connected to the NSP network of its ownership, if then insert this NAP network through the NSP network of this NAP direct network connection.
Wherein, the terminal realizes that the process of above-mentioned judgement specifically comprises dual mode:
Mode one, obtain the NSP network information that has contract signing relationship with its ownership NSP network by the terminal, according to this NSP network information of obtaining and NAP network that send with information NAP direct network connection NSP network, carry out the process of above-mentioned judgement.
Mode two, obtain NSP network direct-connected by the NAP network and have the NSP network information of contract signing relationship and send to the terminal with it; The NSP network information direct-connected with it that send according to the NAP network at the terminal and have the information of all NSP networks of contract signing relationship with these direct-connected NSP networks carried out the process of above-mentioned judgement.
Lift an embodiment respectively to above-mentioned dual mode below the idiographic flow of realizing that network is found is described.
Embodiment 1:
Present embodiment describes to aforesaid way one.
Fig. 8 is a flow chart of realizing the embodiment of the invention 1 of network discovery.Referring to Fig. 8, in present embodiment 1, realize that the process that network is found specifically may further comprise the steps:
Step 801: the terminal obtains the ownership NSP network information and has the NSP network information of contract signing relationship with this ownership NSP network.
In the present embodiment; Can be in advance on the terminal configuration ownership NSP network information and have the NSP network information of contract signing relationship with this ownership NSP network; Like this; In this step, the terminal can obtain the ownership NSP network information and have the NSP network information of contract signing relationship with this ownership NSP network according to this configuration.
Perhaps; Exist the NSP network information of contract signing relationship to be sent to the terminal by the NSP network of terminal attaching with self network information with it in advance, the terminal obtains the described ownership NSP network information and has the information of the NSP network of contract signing relationship with this ownership NSP network through reception.
Need to prove; After this step; Can also be after the contract signing relationship that monitors terminal attaching NSP network and other NSP networks changes; To the terminal obtains and ownership NSP network existed the NSP network information of contract signing relationship to carry out real-time update, such as, can (Provision) mode is online that the terminal has been obtained to exist the NSP network information of contract signing relationship to carry out real-time update with its ownership NSP network through providing.
Step 802: behind the down channel of base station in scanning a NAP network, terminal, set up down-going synchronous with the base station in this NAP network.
Step 803: the sign ID that obtains this NAP network in the downlink map DL_MAP message that send the base station of terminal from this NAP network.
Step 804: in the time-frequency adjusting stage, the time-frequency adjustment request (RNG-REQ) that service identifiers request (SIQ) information will be carried in the terminal is sent to the base station in this NAP network.
In the present embodiment, can be in advance in RNG-REQ, increase a type lengths values (tlv) cell, with the TLV cell of this increase as SIQ information, such as, newly-increased TLV cell can be defined as form shown in the following form:
| Name | Type | Length | Value | Scope |
| SIQ | 4 | 1 | NULL | SBC-REQ， RNG_REQ |
Step 805: the base station in this NAP network is carried at the NSP network information of this NAP direct network connection and its corresponding counter mark in time-frequency adjustment response (RNG-RSP) message and is sent to the terminal after receiving the RNG-REQ that carries SIQ information.
In the present embodiment; Can in RNG-RSP, increase a TLV cell in advance; Like this, in this step, the NSP network information and its corresponding counter mark of NAP direct network connection carried in the base station in the NAP network with the TLV cell that increases among the RNG-RSP; Such as, the NSP network information of the NAP direct network connection that newly-increased TLV cell promptly carries in RNG-RSP can be form shown in the following form with its corresponding counter mark:
| Name | Type | Length | Value | Scope |
| NSP?List | 5 | 3*n | Including n，24bit Network Service Provider IDs，n is greater than or equal to 1. | SBC-REQ， RNG_RSP， SII_ADV |
| NSP?Count | 6 | 1 | Increment by one (modulo 256)by the Operator Network whenever the list ofthe NSP cha | SBC-REQ， RNG_RSP， SII_ADV |
| NSP?Mapping List | 7 | variable | Compound (the compound field contains sub-attributes as defined in following Table) | SBC-REQ， RNG_RSP， SII_ADV |
Wherein, if when comprising sign and the domain name of NSP network in the NSP network information, so, NSPMapping List can be again a form shown in the following form:
| Type | Length | Value |
| NSP?Identifier | 3 | 24-bit?format?NSP?identifier |
| NSP?realm | variable | NSP realm，the fully qualified domain name |
Need to prove; In above-mentioned steps 804 and step 805; Base station in the NAP network is after in the time-frequency adjustment process, receiving the RNG-REQ that carries SIQ information that sends at the terminal, just the NSP network information of NAP direct network connection is carried in the RNG-RSP message and is sent to the terminal.In the business realizing of reality; Can also initiatively the NSP network information of NAP direct network connection be sent to the terminal by the base station in the NAP network; At this moment, the process of above-mentioned steps 804 and step 805 then replaces with: the base station in the NAP network periodically is sent to the terminal with the NSP network information of NAP direct network connection with its corresponding counter mark through service identifiers broadcast (SII-ADV).
Also need to prove; The implementation procedure of above-mentioned steps 804 and step 805 also can be used for reference the implementation of prior art; That is to say that in step 804, the SBC_REQ that SIQ information will be carried in capability negotiation stage in the terminal is sent to the base station in this NAP network; In step 805, the base station in this NAP network is carried at the NSP network information of this NAP direct network connection and its corresponding counter mark in the SBC RSP message and is sent to the terminal.
Step 806: whether preserved the corresponding NSP network information and the counter mark of NAP network ID that is obtained in the terminal judges self, if then execution in step 807, otherwise, direct execution in step 808.
Step 807: whether the counter mark that terminal judges receives is identical with the counter mark of preservation, if, then finish current flow process, otherwise, execution in step 808.
Here; If the counter mark that terminal judges goes out to receive is identical with the counter mark of preservation; So, the terminal can confirm that then the NSP network information of the current NAP direct network connection that receives once receiving before, promptly need not to carry out subsequent treatment; If the counter mark of counter mark that terminal judges goes out to receive and preservation is inequality; So, the terminal can confirm that then the NSP network information of the current NAP direct network connection that receives was not receiving before, should carry out the follow-up processing that determines whether through said NAP access.
Step 808: the corresponding relation of the NAP network ID that obtains in current NSP network information sum counter mark that receives and the step 803 is preserved at the terminal.
Step 809: terminal judges exists in the NSP network information of contract signing relationship in the ownership NSP network information of obtaining in advance with this ownership NSP network; Whether can find the NSP network information with said NAP direct network connection, if then execution in step 810; Otherwise, finish current flow process.
Step 810: the NSP network that its ownership is confirmed to be connected in the terminal, then insert this NAP network.
Embodiment 2:
In the present embodiment, present embodiment describes to aforesaid way two.
Fig. 9 is a flow chart of realizing the embodiment of the invention 2 of network discovery.Referring to Fig. 9, in present embodiment 2, at first on the terminal, dispose the information of its ownership NSP network, like this, realize that the process that network is found specifically may further comprise the steps:
Step 901:NAP network obtains the NSP network information that there is contract signing relationship in NSP network direct-connected with it in advance.
In the present embodiment; Can on the NAP network, dispose the NSP network information that there is contract signing relationship in NSP network direct-connected with it in advance; Like this, in this step, the NAP network can obtain the NSP network information that there is contract signing relationship in NSP network direct-connected with it according to this configuration.
Perhaps; NSP network by the NAP direct network connection will exist the NSP network information of contract signing relationship to be sent to said NAP network with it in advance; Like this, in this step, said NAP network obtains the NSP network information that there is contract signing relationship in NSP network direct-connected with it through reception.
All descriptions of step 902～step 904 are all identical with all descriptions of step 802～step 804.
Step 905: the base station in this NAP network will be with the NSP network information of NAP direct network connection, exist the NSP network information and the corresponding counter mark of contract signing relationship to be carried in the RNG-RSP message with this direct-connected NSP network to be sent to the terminal after receiving the RNG-REQ that carries SIQ information.
In the present embodiment; Can in RNG-RSP, increase a TLV in advance; Like this, in this step, the described NSP network information and corresponding counter mark are carried with the TLV that increases among the RNG-RSP in the base station in the NAP network; Such as, TLV newly-increased in RNG-RSP can be form shown in the following form:
| Name | Type | Length | Value | Scope |
| NSP?List | 5 | 3*n | Including n，24bit Network Service Provider IDs，n is greater than or equal to 1. | SBC-REQ， RNG_RSP， SII_ADV |
| NSP?Count | 6 | 1 | Increment by one (modulo 256)by the Operator Network whenever the list ofthe NSP cha | SBC-REQ， RNG_RSP， SII_ADV |
| NSP?Mapping List | 7 | variable | Compound (the compound field contains sub-attributes as | SBC-REQ， RNG_RSP， SII_ADV |
[0094]?
| ? | ? | ? | defined in following?Table) | ? |
Wherein, if when comprising sign and the domain name of NSP network in the NSP network information, so, NSPMapping List can be again a form shown in the following form:
| Type | Length | Value |
| NSP?Identifier | 3 | 24-bit?format?NSP?identifier |
| NSP?realm | variable | NSP realm，the fully qualified domain name |
Need to prove; In above-mentioned steps 904 and step 905; Base station in the NAP network is after in the time-frequency adjustment process, receiving the RNG-REQ that carries SIQ information that sends at the terminal, just will be with the NSP network information of NAP direct network connection, exist the NSP network information of contract signing relationship and corresponding counter mark to be sent to the terminal with this direct-connected NSP network.In the business realizing of reality; Can also by the base station in the NAP network initiatively will be with the NSP network information of NAP direct network connection, exist the NSP network information of contract signing relationship and corresponding counter mark to be sent to the terminal with this direct-connected NSP network; At this moment, the process of above-mentioned steps 904 and step 905 then replaces with: the base station in the NAP network through service identifiers broadcast (SII-ADV) periodically will be with the NSP network information of NAP direct network connection, exist the NSP network information of contract signing relationship and corresponding counter mark to be sent to the terminal with this direct-connected NSP network.
Also need to prove; The implementation procedure of above-mentioned steps 904 and step 905 also can be used for reference the implementation of prior art; That is to say; In step 904; The SBC_REQ that SIQ information will be carried in capability negotiation stage in the terminal is sent to the base station in this NAP network, and in step 905, the base station in this NAP network will be with the NSP network information of NAP direct network connection, exist the NSP network information and the corresponding counter mark of contract signing relationship to be carried in the SBC RSP message with this direct-connected NSP network is sent to the terminal.
All descriptions of step 906～step 908 are all identical with all descriptions of step 906～step 908.
Step 909: whether terminal judges can find the NSP network information of terminal attaching in all NSP network informations that receive, if can find, then execution in step 910, otherwise, finish current flow process.
Step 910: the NSP network that its ownership is confirmed to be connected in the terminal, then insert this NAP network.
In the invention described above embodiment, the described NSP network information can be the domain name of NSP network identity and/or NSP network.
Need to prove, in the invention described above embodiment, be to carry out the various processing in the NAP network by the base station in the NAP network, such as, the described NSP network information is sent to the terminal.In other embodiments of the invention, also can carry out the various processing in the NAP network by other equipment in the NAP network, its concrete implementation procedure is identical with the principle of the foregoing description process.
In a word, the above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1. method that realizes that network is found is characterized in that this method comprises:
When roaming takes place in the terminal, receive send by Network Access Provider NAP network, with the information of the Internet Service Provider NSP network of this NAP direct network connection;
Judgement exists in the NSP network information of contract signing relationship in the ownership NSP network information of obtaining in advance with this ownership NSP network, whether can find the NSP network information with said NAP direct network connection, if then confirm to be connected to the NSP network of its ownership.
2. method according to claim 1; It is characterized in that; This method further comprises: after the contract signing relationship that monitors terminal attaching NSP network and other NSP networks changed, the Provision mode is online to exist the NSP network information of contract signing relationship to upgrade what the terminal obtained with its ownership NSP network through providing.
3. method according to claim 1 is characterized in that, said terminal obtains the described ownership NSP network information and has the NSP network information of contract signing relationship with this ownership NSP network through pre-configured; Perhaps; Exist the NSP network information of contract signing relationship to be sent to the terminal by the NSP network of terminal attaching with self network information with it, the terminal obtains the described ownership NSP network information and has the information of the NSP network of contract signing relationship with this ownership NSP network through reception.
4. according to any described method in the claim 1 to 3, it is characterized in that send the said NSP network information by the NAP network and comprise: said NAP network periodically is sent to the terminal with the said NSP network information through the service identifiers broadcast.
5. according to any described method in the claim 1 to 3, it is characterized in that, send the said NSP network information by the NAP network and comprise: the terminal is carried at service identifiers request SIQ information among the time-frequency adjustment request RNG-REQ and is sent to said NAP network; Said NAP network is carried at the said NSP network information in the time-frequency adjustment response RNG-RSP message and is sent to the terminal after receiving the RNG-REQ that carries SIQ information.
6. method according to claim 5 is characterized in that, the terminal is carried at said SIQ information on the type lengths values TLV cell that increases in advance among the RNG-REQ;
And/or said NAP network is carried at the said NSP network information on the TLV cell that increases in advance in the RNG-RSP message.
7. according to any described method in the claim 1 to 3, it is characterized in that, send the said NSP network information by the NAP network and further comprise: the counter mark that said NAP network is corresponding with the said NSP network information is sent to the terminal;
Whether can be connected in terminal judges before the NSP network of its ownership; Further comprise: whether the counter mark that terminal judges has been preserved is identical with the current counter mark that receives; If it is different; Then preserve the current counter mark that receives, and continue to carry out the described step that judges whether to be connected to the NSP network of its ownership.
8. according to any described method in the claim 1 to 3, it is characterized in that the said NSP network information comprises: the sign ID of said NSP network, and/or the domain name of said NSP network.
9. according to any described method in the claim 1 to 3, it is characterized in that, carry out the step of sending the said NSP network information by the base station in the said NSP network.
10. a method that realizes that network is found is characterized in that, the information of its ownership of configuration NSP network on the terminal; This method comprises:
When roaming takes place in the terminal, receive send by the NAP network, obtain in advance have the NSP network information of contract signing relationship with this NAP direct network connection NSP network;
Whether judgement can find the NSP network information of pre-configured terminal attaching in all NSP network informations that receive, if can find, then confirm to be connected to the NSP network of its ownership.
11. method according to claim 10 is characterized in that, the NSP network information of being sent by said NAP network comprises, obtains the NSP network information that there are contract signing relationship in described and this NAP direct network connection NSP network through pre-configured;
Perhaps, will exist the NSP network information of contract signing relationship to be sent to said NAP network with it by the NSP network of said NAP direct network connection, the NAP network obtains the NSP network information that there is contract signing relationship in described NSP network direct-connected with it through reception.
12., it is characterized in that send the said NSP network information by the NAP network and comprise: said NAP network periodically is sent to the terminal with the said NSP network information through the service identifiers broadcast according to any described method in the claim 10 to 11.
13. according to any described method in the claim 10 to 11, it is characterized in that, send the said NSP network information by the NAP network and comprise: the terminal is carried at service identifiers request SIQ information among the time-frequency adjustment request RNG-REQ and is sent to said NAP network; Said NAP network is carried at the said NSP network information in the time-frequency adjustment response RNG-RSP message and is sent to the terminal after receiving the RNG-REQ that carries SIQ information.
14. method according to claim 13 is characterized in that, the terminal is carried at said SIQ information on the type lengths values TLV cell that increases in advance among the RNG-REQ;
And/or said NAP network is carried at the said NSP network information on the TLV cell that increases in advance in the RNG-RSP message.
15. according to any described method in the claim 10 to 11, it is characterized in that, send the said NSP network information by the NAP network and further comprise: the counter mark that said NAP network is corresponding with the said NSP network information is sent to the terminal;
Whether can be connected in terminal judges before the NSP network of its ownership; Further comprise: whether the counter mark that terminal judges has been preserved is identical with the current counter mark that receives; If it is different; Then preserve the current counter mark that receives, and continue to carry out the described step that judges whether to be connected to the NSP network of its ownership.
16., it is characterized in that the said NSP network information comprises: the sign ID of said NSP network, and/or the domain name of said NSP network according to any described method in the claim 10 to 11.
17. according to any described method in the claim 10 to 11, it is characterized in that, carry out the step of sending the said NSP network information by the base station in the said NSP network.
18. a system that realizes that network is found is characterized in that this system comprises: the terminal when the NAP network is roamed with generation, wherein,
The NAP network is used for the information of the NSP network direct-connected with it is sent to the terminal;
The terminal; Be used to obtain the ownership NSP network information and have the NSP network information of contract signing relationship with this ownership NSP network; And judge in the NSP network information of obtaining; Whether can find the NSP network information with said NAP direct network connection, judge can find after, confirm to be connected to the NSP network of its ownership.
19. a system that realizes that network is found is characterized in that this system comprises: the terminal when the NAP network is roamed with generation, wherein,
The NAP network is used to obtain the NSP network information that there is contract signing relationship in NSP network direct-connected with it, and the NSP network information that this obtains is sent to the terminal;
The terminal disposes the information that it belongs to the NSP network, judges in all NSP network informations that the NSP network is sent, and whether can find the NSP network information of the ownership of preserving at the terminal, if can find, then confirms to be connected to the NSP network of its ownership.
20. a terminal is characterized in that, when being applied to it roaming taking place, this terminal comprises: information acquisition unit, processing unit and be connected performance element, wherein,
Information acquisition unit is used to receive the information of the NSP network direct-connected with it that the NAP network sends; And obtain the NSP network information of terminal attaching and have the NSP network information of contract signing relationship with this ownership NSP network;
Processing unit; Be used for according to the received NSP network information of information acquisition unit; Judgement exists in the NSP network information of contract signing relationship in the ownership NSP network information of obtaining with this ownership NSP network; Whether can find the NSP network information with said NAP direct network connection, judge can find after, confirm to be connected to the NSP network of its ownership;
Connect performance element, be used for receiving the said NAP network of connection indication back access.
21. the base station in the NAP network is characterized in that this base station comprises: information memory cell and information transmitting unit, wherein,
Information memory cell, be used to obtain and preservation and base station under the NAP direct network connection the NSP network information and with the base station under the NSP network of NAP direct network connection have the NSP network information of contract signing relationship;
Information transmitting unit, be used for information memory cell is preserved with the base station under the NAP direct network connection the NSP network information and with the base station under the NSP network of the NAP direct network connection terminal when existing the NSP network information of contract signing relationship to be sent to roaming takes place.
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