CN101646226B - Network selection method and device based on shared network - Google Patents

Network selection method and device based on shared network Download PDF

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Publication number
CN101646226B
CN101646226B CN 200910167551 CN200910167551A CN101646226B CN 101646226 B CN101646226 B CN 101646226B CN 200910167551 CN200910167551 CN 200910167551 CN 200910167551 A CN200910167551 A CN 200910167551A CN 101646226 B CN101646226 B CN 101646226B
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plmn
shared
residential quarter
grade
register
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CN101646226A (en
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何毅
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2010/075864 priority patent/WO2011023064A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

The invention discloses a network selection method and a device based on a shared network. The network selection method based on a shared network comprises: when a mobile station (MS) fails to register to a first public land mobile network (PLMN), searching whether a first PLMN assembly exists in a first selection level belonging to the first PLMN, wherein, the first PLMN assembly comprises one or a plurality of PLMNs positioned in the same shared cell with the first PLMN; if the first PLMN assembly is found, selecting a PLMN from the first PLMN assembly for registering. Thus, when PLMN is selected, the shared information can be used, other PLMNs belonging to the same shared cell are selected preferably without re-lingering, so that the network selection process is simplified, and register efficiency can be improved.

Description

Network selection method and device based on shared network
Technical field
The present invention relates to the communications field, in particular to a kind of network selection method based on shared network and device.
Background technology
For efficent use of resources, save operation costs, a plurality of operators may share same Access Network, and for example China is just advocating now a plurality of mobile operators and is sharing as far as possible same Radio Resource system.Therefore same residential quarter can belong to a plurality of operators, and such residential quarter is referred to as shared residential quarter, and such network is called shared network.Portable terminal is in search or when residing in some residential quarters, if share the residential quarter, portable terminal just can utilize the information of sharing a plurality of operators that the residential quarter provides, optimizes PLMN selection and register flow path.
Select standard (referring to 3GPP (Third Generation PartnershipProject according to PLMN, third generation partner program) TS (Technical Specification, technical specification) 23.122), the NAS of MS (Non-Access Stratum, Non-Access Stratum) layer is from AS (Access Stratum, Access Layer) it is resident to select a PLMN to carry out in the available PLMN tabulation that reports, if resident success is initiated registration process in resident residential quarter.Wherein, strategy when carrying out the PLMN selection is: automatically selecting under the pattern of PLMN, if having RPLMN (Registered PLMN, registered PLMN) or ERPLMN (EQUALENT RPLMN, RPLMN of equal value), select one among RPLMN or the ERPLMN to register; If there is no RPLMN or ERPLMN, the PLMN that user search can be used, and carry out PLMN by following priority and select:
1) EHPLMN (if having the EHPLMN tabulation) of HPLMN (Home PLMN, Home PLMN) (if not having EHPLMN (EQUALENT HPLMN) tabulation) or limit priority;
2) by user's preference lists of prioritizing;
3) by operator's preference lists of prioritizing;
4) the high quality P LMN of random alignment tabulation;
5) press other PLMN tabulations that signal quality is arranged.
Wherein, there is SIM (Subscriber Identity Module in first three tabulation, subscriber identity module) in the card, when network selection, MS selects a PLMN, carry out first resident, if resident success, register at resident PLMN again, if registration failure, and failure cause is #11 (PLMN not allowed, not supported PLMN), #13 (Roaming notallowed in this location area, do not provide roaming in this band of position), #14 (GPRSservices not allowed in this PLMN, the GPRS service is not provided among this PLMN), NAS can select next PLMN, and again resident, if resident success then re-registers at the new PLMN that selects.
Can find out from top process, not use shared cell information in the PLMN selection course, thus when selecting new PLMN, need to re-start resident, thereby make the network selection flow process complicated, and reduced registration efficient.
Can cause the network selection flow process complicated for network selection method in the correlation technique, and reduce the problem of registration efficient, not yet propose at present effective solution.
Summary of the invention
Can cause the network selection flow process complicated for network selection method in the correlation technique, and reduced the problem of registration efficient and proposed the present invention, for this reason, main purpose of the present invention is to provide a kind of network selection method based on shared network and device, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of network selection method based on shared network.
Network selection method based on shared network according to the present invention comprises: at mobile terminal MS after the first Public Land Mobile Nerwork PLMN registration failure, search whether there is PLMN set in the first selection grade under a PLMN, wherein, PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a PLMN; If find PLMN set, then from PLMN set, select a PLMN to register.
To achieve these goals, according to a further aspect in the invention, provide a kind of network selection device based on shared network.
Network selection device based on shared network according to the present invention comprises: search module, be used at mobile terminal MS after the first Public Land Mobile Nerwork PLMN registration failure, search whether there is PLMN set in the first selection grade under a PLMN, wherein, PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a PLMN; Select module, be used in the situation that finds PLMN set, selecting a PLMN to register from PLMN set.
According to the present invention, when MS searches for available PLMN tabulation, if belong to the PLMN of same shared residential quarter, then preserve the shared information of this PLMN, like this, when selecting PLMN, can utilize these shared information, preferential other PLMN that belong to shared same residential quarter that select register, and do not need again resident, thereby simplify the network selection flow process, improved registration efficient.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the network selection method based on shared network of the present invention;
Fig. 2 is the schematic diagram based on the network selection method of shared network according to the embodiment of the invention;
Fig. 3 is the schematic diagram that puts in order according to the PLMN of prior art;
Fig. 4 is the schematic diagram that puts in order according to the PLMN of the embodiment of the invention;
Fig. 5 is the structure chart according to the network selection device based on shared network of the present invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Functional overview
Consider that network selection method can cause the network selection flow process complicated in the correlation technique, and reduced the problem of registration efficient, the invention provides a kind of network selection method based on shared network and device.According to the present invention, when AS reports the available PLMN tabulation that searches, if belong to the PLMN of same shared residential quarter, then when reporting PLMN, report simultaneously shared information, like this, when selecting PLMN, can utilize shared cell information, preferential other PLMN that belong to shared same residential quarter that select register, and do not need again resident, thereby simplify the network selection flow process, improved registration efficient.
According to the present invention, provide a kind of network selection method based on shared network.
Fig. 1 is the flow chart according to the network selection method based on shared network of the present invention.After the first Public Land Mobile Nerwork PLMN registration failure, the above-mentioned network selection method based on shared network comprises that mainly following step S102 is to step S104, as shown in Figure 1 at mobile terminal MS:
Step S102 first selects to search in the grade whether have PLMN set under a PLMN, wherein, PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a PLMN.
Step S104 if find PLMN set, then selects a PLMN to register from PLMN set.
If do not find above-mentioned PLMN set, the above-mentioned network selection method based on shared network also comprises:
Step S106 selects to search in the grade whether have the 2nd PLMN set second, and wherein, second selects grade to be lower than first selects grade, and the 2nd PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a PLMN.
Step S108 if find the 2nd PLMN set, then selects a PLMN to register from the 2nd PLMN set.
Be described in detail below in conjunction with the implementation procedure of example to the embodiment of the invention.
Fig. 2 is the schematic diagram based on the network selection method of shared network according to the embodiment of the invention.As shown in Figure 2, above-mentioned network selection method mainly comprises the steps S202 to S216:
The available PLMN of AS search of step S202:MS.If there are a plurality of PLMN to be positioned at same shared residential quarter, then AS reports to carry the message that these PLMN share information when reporting available PLMN tabulation.
As shown in Figure 2, when AS reports the available PLMN that searches, can report PLMN message, wherein, this PLMN message carries information as shown in table 1.If PLMN is positioned at the PLMN that shares the residential quarter, then AS also will report the shared information of this PLMN.For example, in the shared information of this PLMN, sharePLMN indicates this PLMN whether to be positioned at the PLMN that shares the residential quarter, shareNu indicates the mapping relations of this PLMN and the shared residential quarter under it, namely which this PLMN is positioned at and shares the residential quarter, the rat indication is the PLMN that searches under any RAT (Radio Access Technology, wireless access technology), and the PLMN that namely searches is subject to any standard.Here, MS preserves the shared information of above-mentioned PLMN.
Table 1
Variable Explanation
?rat Standard comprises GSM, UTRAN, e-UTRAN etc.
?sharePLMN 1: be positioned at the PLMN that shares the residential quarter; 0: the non-PLMN that shares the residential quarter that is positioned at
?shareNu Packet number, the packet number of the shared residential quarter that PLMN is positioned at
Step S204: the PLMN that searches is arranged, and formation can be for the PLMN tabulation of user selection.
Optionally, can arrange the PLMN that searches in accordance with the following steps:
Step S2042 carries out the first time according to the order of the selection grade of PLMN to all available PLMN and arranges;
Step S2044 carries out the second time and arranges for belonging to PLMN in the same selection grade according to the order of the priority of PLMN;
Whether step S2046 is positioned at same shared residential quarter according to PLMN the PLMN that passes through the same selection grade of arranging is for the second time arranged for the third time.
Here, above-mentioned for the third time arrangement refers to: at first, the next-door neighbour arranges the one or more PLMN that are positioned at same shared residential quarter, and one or more PLMN consist of a PLMN subclass; Then, with PLMN is the highest in the PLMN subclass the priority priority as the PLMN subclass, PLMN subclass and/or the PLMN that is not positioned at same shared residential quarter are arranged according to the order of priority.
As shown in Figures 2 and 3, suppose that the available PLMN tabulation that AS reports comprises sP1, sP2, sP3 and P1 totally 4 PLMN.Aspect shared residential quarter, above-mentioned sP1, sP2, sP3 are positioned at same shared residential quarter; Aspect the selection grade of PLMN, sP1, sP2 and P1 belong to first and select grade, for example, belong to operator and preferably tabulate, and sP3 belongs to the second selection grade, and wherein, first selects grade to be higher than second selects grade; Aspect the priority of PLMN, the priority of sP1, P1, sP2 and sP3 reduces successively.
As shown in Figure 3, according to the aligning method of the PLMN of prior art, putting in order of sP1, sP2, sP3 and P1 is sP1, P1, sP2, sP3.
According to embodiments of the invention, at first, to sP1, sP2, sP3 and P1 totally 4 PLMN carry out first time according to the order of selecting grade and arrange, then carry out the arrangement second time according to the order of the priority of PLMN for the PLMN that belongs in the same selection grade.Select grade because sP1, sP2 and P1 belong to first, and sP3 belongs to the second selection grade, and the priority of sP1, P1, sP2 and sP3 reduces successively, if according to selecting grade and priority order from high to low, then can obtain following putting in order: sP1, P1, sP2, sP3.
Secondly, whether being positioned at same shared residential quarter according to PLMN arranges for the third time to the PLMN that passes through the same selection grade of arranging the described second time.Because sP1 and sP2 are positioned at same shared residential quarter, thus at first in " sP1, P1, sP2 " such arrangement the next-door neighbour arrange sP1 and sP2, and regard sP1 and sP2 as the PLMN subclass.Because the priority of sP1 is higher than sP2, then the priority of sP1 is regarded as the priority of above-mentioned PLMN subclass, in order to carry out follow-up arrangement.Then, priority according to PLMN is arranged above-mentioned PLMN subclass and P1, because the priority of P1 is lower than the priority of above-mentioned PLMN subclass, so can obtain following putting in order: sP1, sP2, P1, sP3, as shown in Figure 4, and according to such putting in order above-mentioned 4 PLMN are kept in the above-mentioned PLMN tabulation.
Step S206, carry out at the PLMN that selects resident, if resident success goes to step S208.
Preferably, it is resident to select the highest PLMN of priority to carry out, and for example, selects the highest sP1 of above-mentioned PLMN tabulation medium priority to carry out resident.
Step S208 registers at the PLMN that selects.
For example, register at selected sP1
Step S210, network side refusal registration request, thereby registration failure, and return following quilt and refuse reason: #11 (PLMN not allowed), #13 (Roaming not allowedin this location area), #14 (GPRS services not allowed in this PLMN).
Step S212, according to standard, if also there is available PLMN, then MS should reselect PLMN.When selecting new PLMN, can in the PLMN of above-mentioned formation tabulation, select in the following order.
Step S2122 first selects to search in the grade whether have such PLMN set what sP1 belonged to, that is, this PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with sP1.If there is above-mentioned PLMN set, then from above-mentioned PLMN set, selects a PLMN to register, and go to step S208.If there is no above-mentioned PLMN set then goes to step S2124.
In the present embodiment, owing to select also to have the sP2 that is positioned at same shared residential quarter with sP1 in the grade first, so MS selects sP2 to re-start registration.Because sP1 and sP2 belong to a shared residential quarter, so when selecting sP2 to register, do not need again residently, and can directly register, simplify like this network selection flow process, and improved registration efficient.
Step S2124 selects to search in the grade whether have such PLMN set second, that is, this PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with sP1, here, second selects grade to be lower than first selects grade.If there is above-mentioned PLMN set, then from above-mentioned PLMN set, select a PLMN to register, and go to step S208, preferred here, select the highest PLMN of priority to carry out resident.If there is no above-mentioned PLMN set then goes to step S214.
Step 214 is selected a PLMN who does not belong to shared residential quarter to register in the PLMN tabulation that forms, and is gone to step S206.
Here, can come in the PLMN tabulation that forms, to select one not belong to the PLMN that shares the residential quarter according to selection mode of the prior art, for example, select with sP1 belong to first select in the grade other PLMN (for example, P1), wherein, these other PLMN are not positioned at same shared residential quarter with sP1.
In sum, according to the present invention, when MS searches for available PLMN tabulation, if belong to the PLMN of same shared residential quarter, then preserve the shared information of this PLMN, like this, when selecting PLMN, can utilize these shared information, preferential other PLMN that belong to shared same residential quarter that select register, and do not need again resident, thereby simplify the network selection flow process, improved registration efficient.Present home and abroad portable terminal is in the situation that a plurality of PLMN share consolidated network, and the present invention has promotional value.
According to embodiments of the invention, provide a kind of network selection device based on shared network.
Fig. 5 is the structure chart according to the network selection device based on shared network of the present invention.As shown in Figure 5, this device comprises: search module 504, be used at mobile terminal MS after the first Public Land Mobile Nerwork PLMN registration failure, search whether there is PLMN set in the first selection grade under a PLMN, wherein, PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a PLMN; Select module 502, be used in the situation that finds PLMN set, selecting a PLMN to register from PLMN set.
Searching module 504 also is used in the situation that does not find PLMN set, in the second selection grade, search and whether have the 2nd PLMN set, wherein, second selects grade to be lower than first selects grade, and the 2nd PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a PLMN;
Select module 502 also to be used in the situation that finds the 2nd PLMN set, selecting a PLMN to register from the 2nd PLMN set.
This device also comprises: search module 506 is used for searching for available PLMN before mobile terminal MS is registered to the first Public Land Mobile Nerwork PLMN; Memory module 508, the shared information that is used for when searching the PLMN that is positioned at shared residential quarter, preserving PLMN, wherein, shared information comprises at least: the mapping relations of PLMN and the shared residential quarter under it.
After the first Public Land Mobile Nerwork PLMN registration failure, search in the first selection grade of module 504 under a PLMN to search whether there is above-mentioned PLMN set at mobile terminal MS.If find PLMN set, then search 504 message informings of module and select module 502 from PLMN set, to select a PLMN to register.
If do not find above-mentioned PLMN set, then search module 504 and in the second selection grade, search whether there is above-mentioned the 2nd PLMN set.If find the 2nd PLMN set, then search 504 message informings of module and select module 502 from the 2nd PLMN set, to select a PLMN to register.
According to the present invention, when selecting PLMN, can utilize PLMN to share information, preferentially select to belong to other PLMN that share same residential quarter and register, and do not need again resident, thereby simplification network selection flow process has improved registration efficient.
Need to prove, can in the computer system such as one group of computer executable instructions, carry out in the step shown in the flow chart of accompanying drawing, and, although there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the network selection method based on shared network is characterized in that, after the first Public Land Mobile Nerwork PLMN registration failure, described method comprises at mobile terminal MS:
First select to search in the grade whether have PLMN set under a described PLMN, wherein, described PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a described PLMN;
If find described PLMN set, then from described PLMN set, select a PLMN to register.
2. method according to claim 1 is characterized in that, selects a PLMN to register from described PLMN set and comprises:
From described PLMN set, select the PLMN that priority is the highest to register.
3. method according to claim 1 is characterized in that, if do not find described PLMN set, described method also comprises:
Select to search in the grade whether have the 2nd PLMN set second, wherein, described second selects grade to be lower than described first selects grade, and described the 2nd PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a described PLMN;
If find described the 2nd PLMN set, then from described the 2nd PLMN set, select a PLMN to register.
4. method according to claim 3 is characterized in that, selects a PLMN to register from described the 2nd PLMN set and comprises:
From described the 2nd PLMN set, select the PLMN that priority is the highest to register.
5. each described method in 4 according to claim 1 is characterized in that, before the described PLMN registration, described method also comprises at described MS:
Search for available PLMN, share the residential quarter if the PLMN that searches is positioned at, the shared information of then preserving described PLMN, wherein, described shared information comprises at least: the mapping relations of described PLMN and the shared residential quarter under it.
6. method according to claim 5 is characterized in that, after the available PLMN of described search, described method also comprises:
According to the order of the selection grade of PLMN all available PLMN being carried out the first time arranges;
Carry out the second time and arrange for belonging to PLMN in the same selection grade according to the order of the priority of PLMN;
Whether being positioned at same shared residential quarter according to PLMN arranges for the third time to the PLMN that passes through the same selection grade of arranging the described second time.
7. method according to claim 6 is characterized in that, the described arrangement for the third time comprises:
The next-door neighbour arranges the one or more PLMN that are positioned at same shared residential quarter, and described one or more PLMN consist of a PLMN subclass;
With PLMN is the highest in the described PLMN subclass the priority priority as described PLMN subclass, described PLMN subclass and/or the PLMN that is not positioned at described same shared residential quarter are arranged according to the order of priority.
8. network selection device based on shared network is characterized in that described device comprises:
Search module, be used at mobile terminal MS after the first Public Land Mobile Nerwork PLMN registration failure, search whether there is PLMN set in the first selection grade under a described PLMN, wherein, described PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a described PLMN;
Select module, be used in the situation that finds described PLMN set, selecting a PLMN to register from described PLMN set.
9. device according to claim 8 is characterized in that,
The described module of searching also is used in the situation that does not find described PLMN set, in the second selection grade, search and whether have the 2nd PLMN set, wherein, described second selects grade to be lower than described first selects grade, and described the 2nd PLMN set comprises: be positioned at one or more PLMN of same shared residential quarter with a described PLMN;
Described selection module also is used for selecting a PLMN to register from described the 2nd PLMN set in the situation that finds described the 2nd PLMN set.
10. according to claim 8 or 9 described devices, it is characterized in that described device also comprises:
Search module is used for searching for available PLMN before mobile terminal MS is registered to the first Public Land Mobile Nerwork PLMN;
Memory module, for the shared information of preserving described PLMN when searching the PLMN that is positioned at shared residential quarter, wherein, described shared information comprises at least: the mapping relations of described PLMN and the shared residential quarter under it.
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