CN100499913C - Method for selecting network automatically of a multi-mode terminal - Google Patents
Method for selecting network automatically of a multi-mode terminal Download PDFInfo
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- CN100499913C CN100499913C CNB2004100429066A CN200410042906A CN100499913C CN 100499913 C CN100499913 C CN 100499913C CN B2004100429066 A CNB2004100429066 A CN B2004100429066A CN 200410042906 A CN200410042906 A CN 200410042906A CN 100499913 C CN100499913 C CN 100499913C
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
Abstract
A multimode terminal automatic network selection method, which contains setting priority level list of access mode in multimode terminal, when entering automatic selection mode, selecting access from mode high to low in priority level list and requesting access until accessing said network, said invention simplifies operation and provides user a more convenient searching and network selection method.
Description
Technical field
The present invention relates to wireless access technology, particularly relate to the method that a kind of multimode terminal is selected network automatically.
Background technology
Along with the continuous propelling of social informatization and the develop rapidly of the communication technology, the user is become increasingly abundant to the demand of information service, is the main flow that the broadband multimedia data business of representative is just becoming the Network development with the Intemet business.Therefore, make up broadband, full-service, intelligentized modern communication networks has become trend of the times.Compare with line access mode is arranged, wireless access has deployment speed soon, does not need advantages such as cable and optical cable is laid, networking is flexible, the market startup is fast.Wireless access is being brought into play important effect as a kind of important means of communication always.
Development along with wireless communication technique, increasing wireless access way occurred, well-known wireless access way comprises: global system for mobile communications (GSM), total access communication system (TACS), broadband CDMA system (WCDMA), code division multiple access system (CDMA), CDMA 2000 system (cdma2000), wireless lan (wlan), bluetooth (Bluetooth) or the like.These access waies respectively have superiority and inferior position in each side such as transmission rate, coverage, networking cost, fail safes.
Because the network of different access waies respectively has it that shortcoming is arranged, and in order to take into account the advantage of various access waies, has occurred the user terminal of comprehensive plurality of access modes in one in recent years, this terminal is also referred to as multimode terminal.The advantage of multimode terminal is can support plurality of access modes simultaneously, take into account a plurality of networks, and the user can freely select to allow terminal works in a kind of access way wherein.For example, the dual mode data address card of compatible WLAN and GPRS (GPRS) is taken into account the high speed low price of WLAN and the wide characteristics of covering of GPRS; The dual-mode handset of compatible Personal Handyphone System (PHS) and GSM/WCDMA makes the user enjoy the rate advantage of Personal Handyphone System, and experiences the network advantage of GSM/WCDMA; The dual-mode handset of compatible second generation mobile communication system 2G and 3-G (Generation Three mobile communication system) 3G can seamless transfer, smooth and easy work in GSM and WCDMA two cover systems.Though a small amount of multimode terminal may be simultaneously operated in the network of plurality of access modes, a certain moment of most multimode terminals is operated under a kind of access way, thus must select a kind of access way, and then select a network under this access way.For different access waies, network selection procedures is also different.
For access way is the network of GSM/WCDMA, comprising three kinds of access waies: UMTS Terrestrial radio access network (UTRAN), GSM and GSM COMPACT.The GSM/WCDMA user terminal identifies by Public Land Mobile Network (PLMN) sign and access way and selects network.The Subscriber Identity Module of terminal (USIM) is stored on subscriber identification module (SIM) card, and information spinner relevant with network selecting among the USIM will comprise: the preferential selective listing of PLMN, the PLMN tabulation of forbidding, home network and the access way identification list of the preferential selective listing of user-controlled PLMN, operator's control.The PLMN sign and the access way sign that comprise priority in the tabulation.Network selecting has two kinds of patterns: manually with automatic.Manual mode refers to that user terminal is linked into the network that certain PLMN identifies and access way identifies that the user initiatively selects.Automatic mode refers to the signal quality of user terminal according to network preference lists set forth among the USIM and reception, selects the network of certain access way.Three kinds of access way: UTRAN, GSM and the GSMCOMPACT that belongs to GSM/WCDMA only listed in the tabulation of the access way here, do not comprise other access way sign.
For access way is the network of CDMA/cdma2000, comes recognition network by system banner (SID) and network identity (NID).The CDMA/cdma2000 terminal is selected network by SID and NID, comprises the SID and the NID tabulation of priority in user terminal.Similar with the GSM/WCDMA terminal, CDMA/cdma2000 also has automatically and manual two kinds of network selecting patterns.
For access way is the wireless lan (wlan) network, discerns by system business sign (SSID).Current WLAN terminal does not generally have the ssid list of priority, needs the user to select a network manually.3GPP is studying the intercommunication of WLAN and WCDMA network, for the dual-mode terminal of supporting WLAN/WCDMA, has increased " wlan network is preferentially selected " tabulation in USIM uses, and comprises the SSID sign.
This shows, under the manual network preference pattern, at first from the access way that terminal shows, select a kind of access way, under this access way that terminal shows, select a network the current all-network that signal arranged then, initiate the registration request to this network.The manual network preference pattern is no problem on the implementation.
Under the automatic network preference pattern, user terminal for single access way, because every kind of network has all defined network selecting method separately, generally on user terminal or SIM card, preserve network priority list, or comprise and forbid the network list that inserts, terminal can carried out normal network selecting under the preference pattern automatically.But, for the multimode terminal of supporting plurality of access modes, under the automatic network preference pattern, can't carry out normal network selecting, this is because at present only at the priority definition of a certain type access network, and do not have uniform rules to define priority how to judge different access way networks, for example, for WLAN and WCDMA dual-mode terminal, when terminal is arranged in wlan network and WCDMA network simultaneously, the undefined how preferentially different access waies of selection, be that not know preferentially to select wlan network still be the WCDMA network to multimode terminal, so multimode terminal must rely on manual selection when selecting access way, can't realize automatic selection network truly.
Fig. 1 is the method flow diagram that the prior art multimode terminal is selected network automatically, and as can be seen from Figure 1, this method comprises the steps:
Step 101: from the access way tabulation that terminal shows, select a kind of access way.
Step 102: select the highest network of this access way lower network priority list medium priority.
Step 103: multimode terminal detects the signal of selected network, and judges whether whether the signal strength signal intensity of selected network be in abnormality greater than threshold value and selected network, if illustrate that then selected network can reach, and forwards step 104 to; Otherwise, illustrate that selected network is unreachable, forward step 106 to.
Network signal intensity compared with signal threshold value can represent the current network quality of signals, if signal strength signal intensity, illustrates that the current network quality of signals is better greater than signal threshold value; If signal strength signal intensity, illustrates that the current network quality of signals is relatively poor less than signal threshold value.
The reason that network is in abnormality has a lot, and for example, network is in congestion state.When network is in abnormality, do not allow terminal to insert usually.
Step 104: multimode terminal initiates to insert request to selected network.
Step 105: judge whether terminal successfully inserts selected network, if then finish; Otherwise, forward step 106 to.
Judge that whether terminal successfully inserts selected network mainly is to judge the whether authentication by selected network of terminal, if whether terminal authentication by selected network, illustrate that then terminal successfully inserts selected network, get nowhere otherwise the explanation terminal inserts selected network.
Step 106: whether the priority of judging selected network is minimum in network priority list, if then forward step 108 to; Otherwise, forward step 107 to.
Step 107: select the network priority list medium priority to be lower than the next network of current network, forward step 103 then to.
Step 108: the multimode terminal display network is selected failed message.
In the prior art, owing to do not have the priority list of access way in the multimode terminal at present,, select the step of access way manually to finish by the user so can't realize selecting automatically network.In case the user has selected a kind of access way, then steady job is under this access way, and the user can only select the network under this access way, manually selects another access way once more up to the user.Like this, if the desirable access way of user is at a time unreachable, then multimode terminal is operated under other access way, the user has only by manually just switching under the access way of hope so, and can not switch under the access way that the user wishes by automatic selection access way.This uses the user of multimode terminal to bring a problem with regard to giving: the user can't insert its network of wishing access easily, and uses the multimode terminal online to put to no little inconvenience to the user.
Summary of the invention
Main purpose of the present invention is to provide a kind of multimode terminal to select the method for network automatically, makes multimode terminal when selecting access way, need not user intervention, the access way that can select the user to wish automatically.
The objective of the invention is to be achieved through the following technical solutions:
A kind of multimode terminal is selected the method for network automatically, this method is in advance in the network priority list that is provided with on the multimode terminal under access way priority list and each access way,, when multimode terminal enters automatic selection network schemer, carry out following steps:
A, detect the network signal of all access waies and each access way, constitute the candidate network priority list of candidate's access way priority list and each access way, comprise in described candidate's access way priority list access way in the described access way priority list that sets in advance and actual detected to the not access way in the described access way priority list that sets in advance, comprise in the described candidate network priority list network in the described network priority list that sets in advance and actual detected to the not network in the described network priority list that sets in advance, from described candidate's access way priority list, select the highest access way of priority;
B, according to candidate network priority list medium priority selective sequential network from high to low under the described access way of selecting, and request access selected network, if terminal successfully inserts selected network, then withdraw from this flow process, if it is unsuccessful that terminal inserts selected network, then forward step C to;
C, selection candidate access way priority list medium priority only are lower than the access way of current selected access way, return step B then.
Step B comprises:
The highest network of candidate network priority list medium priority under B1, the selected access way of selection;
B2, multimode terminal request insert selected network, if terminal by the authentication of selected network, then multimode terminal successfully inserts selected network, withdraws from this flow process then; Otherwise, forward step B3 to;
B3, judge whether the priority of selected network is minimum in the candidate network priority list, if, then forward step C to, otherwise, select the network priority list medium priority only to be lower than the network of selected network, return step B2 then.
Further comprise between step B1 and the step B2: judge whether selected network can reach, if then forward step B2 to; Otherwise, forward step B3 to.
Describedly judge that whether selected network can reach, and comprising: detect the signal strength signal intensity of selected network, and judge whether that this signal strength signal intensity is in normal condition greater than the network signal intensity threshold value and the selected network that set in advance, if then selected network can reach.
Further comprise between step B and the step C: whether the priority of judging selected access way is minimum in candidate's access way priority list, if then display network is selected failed message on multimode terminal, withdraws from this flow process then; Otherwise, forward step C to.
Described candidate's access way priority list comprises the access way of user-defined access way and/or Virtual network operator definition, wherein, user-defined access way is included in the user-defined access way priority list, and the access way of Virtual network operator definition is included in the access way priority list of Virtual network operator definition.
Described candidate's access way priority list further comprises all access waies in the detected access way priority list that is not included in the definition of user-defined access way priority list and/or Virtual network operator of multimode terminal.
In described candidate's access way priority list, the priority that is included in the access way in the user-defined access way priority list is higher than in the access way priority list that is included in Virtual network operator definition and is not included in access way in the user-defined access way priority list.
In described candidate's access way priority list, the priority that is included in user-defined access way in the user-defined access way priority list is higher than in the access way priority list that is included in Virtual network operator definition and is not included in access way in the user-defined access way priority list;
In described candidate's access way priority list, the priority that is included in the access way in the access way priority list of Virtual network operator definition is higher than the access way in the access way priority list that is not included in user-defined access way priority list and Virtual network operator definition.
Described candidate network priority list comprises the network of user-defined network and/or Virtual network operator definition, wherein, user-defined network packet is contained in the user-defined network priority list, and the network packet of Virtual network operator definition is contained in the network priority list of Virtual network operator definition.
Described candidate network priority list further comprises the network in the detected network priority list that is not included in the definition of user-defined network priority list and/or Virtual network operator of multimode terminal.
In the described candidate network priority list, the priority that is included in the network in the user-defined network priority list is higher than in the network priority list that is included in Virtual network operator definition and is not included in network in the user-defined network priority list.
The priority of the network in the described candidate network priority list in the user-defined network priority list is higher than in the network priority list that is included in Virtual network operator definition and is not included in network in the user-defined network priority list;
In the described candidate network priority list, the priority that is included in the network in the network priority list of Virtual network operator definition is higher than the network in the network priority list that is not included in user-defined network priority list and Virtual network operator definition.
Described access way priority list is stored in the subscriber identification module of multimode terminal.
The user can increase, delete and/or revise the operation of its priority to the access way in the described user-defined access way priority list.
From above technical scheme as can be seen, the invention provides a kind of multimode terminal and select the method for network automatically, the access way priority list is set on multimode terminal in advance, when multimode terminal enters automatic selection network schemer, according to access way priority list medium priority selective sequential access way from high to low, and according to selected access way lower network priority list medium priority selective sequential network from high to low and request access, until inserting selected network.In the method for prior art, network priority list is only arranged, and do not have the access way priority list, so the access way tabulation that the user can only show from multimode terminal, manually select a kind of access way, can't realize automatic selection.So, method of the present invention has solved the problem that multimode terminal in the prior art can't be selected access way automatically, by the access way priority list is set, and, realize selecting automatically network in conjunction with existing network priority list and network signal quality in the multimode terminal.
And, in the prior art, the user is when selecting network, might need to carry out comparatively complicated repetitive operation, the network that can insert the signal ideal or oneself wish to insert, method of the present invention simplified that needs that the user uses multimode terminal might run into repeat when desirable access way of search and network than complicated operations, only need to select to select automatically network schemer, can be according to user's demand and the network signal quality network desirable for the user inserts.So the present invention provides a kind of method of searching for more easily and selecting network for the user.
Description of drawings
Fig. 1 is the method flow diagram that the multimode terminal of prior art is selected network automatically.
Fig. 2 is a method flow diagram of selecting network according to multimode terminal of the present invention automatically.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is further described below in conjunction with the drawings and specific embodiments.
Method of the present invention is the priority list that access way is set at multimode terminal in advance, when multimode terminal enters automatic selection network schemer, according to the network priority list under the access way priority list that sets in advance and this access way, and the comprehensive wireless quality of signals, insert the network of high priority as far as possible.
Fig. 2 is a method flow diagram of selecting network according to multimode terminal of the present invention automatically, and as can be seen from Figure 2, this method may further comprise the steps:
Step 201: the access way priority list is set on multimode terminal in advance, and this tabulation can be kept in the SIM card.
The access way priority list can be the tabulation that is defined voluntarily by the user, also can be by the tabulation of Virtual network operator definition, perhaps comprises above-mentioned two tabulations in multimode terminal.If comprise above-mentioned two whens tabulation simultaneously, the priority of user-defined tabulation is higher than the tabulation of Virtual network operator definition.
The access way priority list is as shown in table 1, according to the various access waies of the sequence arrangement of priority:
Table 1: access way priority list
| Access technology sign 1 (limit priority) |
| Access technology sign 2 |
| Access technology sign 3 |
| Access technology sign 4 |
| ...... |
| Access technology sign N (lowest priority) |
In the different access technologies priority list, access technology sign 1 is necessary parameter, and remaining access technology sign is an optional parameters.For example, access technology sign 1 expression 3GPP access technology, it comprises three kinds of access technology: UTRAN, GSM and GSM COMPACT; Access technology sign 2 expression 3GPP2 access technologies; Access technology sign 3 expression WLAN access technologies; Access technology sign 4 expression PHS access technologies; Access technology sign 5 expression Bluetooth access technologies.
In addition, also store different access way lower network priority lists at multimode terminal, network priority list also can have two kinds of the tabulations of user-defined tabulation and Virtual network operator definition, the same with the access way priority list, the priority of user-defined tabulation is higher than the tabulation of Virtual network operator definition.
Step 202: when multimode terminal entered automatic preference pattern, multimode terminal detected the network signal of all access waies and each access way, constituted the candidate network priority list of candidate's access way priority list and each access way.
In candidate's access way priority list, the priority that is included in the access way in the user-defined access way priority list is the highest; Be included in then in the access way priority list of Virtual network operator definition but be not included in access way in the user-defined access way priority list; Be the access way in the detected access way priority list that is not included in the definition of user-defined and operator of terminal again, its priority can be arranged according to random order, for example, can arrange according to the sequencing that network is detected.
For example, the detected access way of terminal has access way 1,2,3,4,5 and 6, and wherein, access way 2 and 4 is included in the user-defined access way priority list, and the priority of access way 2 is higher than access way 4; Access way 3,5 and 2 is included in the access way priority list of Virtual network operator definition, and the priority of access way 3 is higher than access way 5, and the priority of access way 5 is higher than access way 2; Access way 1 and 6 are network measurings to the access way priority list that is not included in user-defined access way priority list and Virtual network operator definition in access way, so, in candidate's access way priority list, each access way according to priority from high to low sequence arrangement is access way 2, access way 4, access way 3, access way 5, access way 1, access way 6, and wherein the position of access way 1 and access way 6 can exchange.
The same with candidate's access way priority list, the candidate network priority list of each access way is also according to user-defined network priority, the network priority of Virtual network operator definition and the sequential configuration of the detected network priority of terminal, access way difference, the network identity in the candidate network priority list are also different.
Step 203: read candidate's access way priority list, select the access way of limit priority.
Step 204: read the candidate network priority list of this access way correspondence, select the highest network identity of priority.
Step 205: detect the signal strength signal intensity of selected network, and judge whether that detected signal strength signal intensity is in normal condition greater than signal threshold value and selected network, if illustrate that then selected network can reach, and forwards step 206 to; Otherwise, illustrate that selected network is unreachable, forward step 208 to.
Step 206: multimode terminal initiates to insert request to this network.
Step 207: judge whether terminal successfully inserts selected network, if then finish; Otherwise, forward step 208 to.
Judge that whether terminal successfully inserts selected network mainly is to judge the whether authentication by selected network of terminal, if whether terminal authentication by selected network, illustrate that then terminal successfully inserts selected network, get nowhere otherwise the explanation terminal inserts selected network.
Step 208: whether the priority of judging current network minimum priority in the candidate network priority list, if then forward step 210 to; Otherwise, forward step 209 to.
Step 209: select this candidate network priority list medium priority to be lower than the next network identity of current network sign, return step 205 then.
Step 210: whether the priority of judging current access way minimum priority in candidate's access way priority list, if then forward step 212 to; Otherwise, forward step 21l to.
Step 211: select candidate's access way priority list medium priority to be lower than the next access way sign of current access way sign, return step 204 then.
Step 212: display network is selected failure information on multimode terminal, finishes then.
If the user at a time can't insert the network of desired access, can be by selecting to insert comparatively desirable network automatically, simultaneously, the user also can search for and manually select and insert the network of desired access at any time by the method for selecting manual network to select.
User-defined access way priority list and network priority list can be carried out additions and deletions and modification to access way and network according to actual needs by the user, for example, the user can increase new access way at the access way priority list, or delete existing access way, also can revise the priority orders of each access way in the access way priority list.
In concrete implementation process, can carry out suitable improvement, to adapt to the concrete needs of concrete condition to the method according to this invention.Therefore be appreciated that according to the specific embodiment of the present invention just to play an exemplary role, not in order to restriction protection scope of the present invention.
Claims (15)
1, a kind of multimode terminal is selected the method for network automatically, it is characterized in that, this method is in advance in the network priority list that is provided with on the multimode terminal under access way priority list and each access way, when multimode terminal enters automatic selection network schemer, carries out following steps:
A, detect the network signal of all access waies and each access way, constitute the candidate network priority list of candidate's access way priority list and each access way, comprise in described candidate's access way priority list access way in the described access way priority list that sets in advance and actual detected to the not access way in the described access way priority list that sets in advance, comprise in the described candidate network priority list network in the described network priority list that sets in advance and actual detected to the not network in the described network priority list that sets in advance, from described candidate's access way priority list, select the highest access way of priority;
B, according to candidate network priority list medium priority selective sequential network from high to low under the described access way of selecting, and request access selected network, if terminal successfully inserts selected network, then withdraw from this flow process, if it is unsuccessful that terminal inserts selected network, then forward step C to;
C, selection candidate access way priority list medium priority only are lower than the access way of current selected access way, return step B then.
2, multimode terminal according to claim 1 is selected the method for network automatically, it is characterized in that, step B comprises:
The highest network of candidate network priority list medium priority under B1, the selected access way of selection;
B2, multimode terminal request insert selected network, if terminal by the authentication of selected network, then multimode terminal successfully inserts selected network, withdraws from this flow process then; Otherwise, forward step B3 to;
B3, judge whether the priority of selected network is minimum in the candidate network priority list, if, then forward step C to, otherwise, select the network priority list medium priority only to be lower than the network of selected network, return step B2 then.
3, multimode terminal according to claim 2 is selected the method for network automatically, it is characterized in that, further comprises between step B1 and the step B2: judge whether selected network can reach, if then forward step B2 to; Otherwise, forward step B3 to.
4, multimode terminal according to claim 3 is selected the method for network automatically, it is characterized in that, describedly judge whether selected network can reach and comprise: the signal strength signal intensity that detects selected network, and judge whether that this signal strength signal intensity is in normal condition greater than the network signal intensity threshold value and the selected network that set in advance, if then selected network can reach.
5, multimode terminal according to claim 1 is selected the method for network automatically, it is characterized in that, further comprise between step B and the step C: whether the priority of judging selected access way is minimum in candidate's access way priority list, if, then display network is selected failed message on multimode terminal, withdraws from this flow process then; Otherwise, forward step C to.
6, multimode terminal according to claim 1 is selected the method for network automatically, it is characterized in that, described candidate's access way priority list comprises the access way of user-defined access way and/or Virtual network operator definition, wherein, user-defined access way is included in the user-defined access way priority list, and the access way of Virtual network operator definition is included in the access way priority list of Virtual network operator definition.
7, multimode terminal according to claim 6 is selected the method for network automatically, it is characterized in that described candidate's access way priority list further comprises all access waies in the detected access way priority list that is not included in the definition of user-defined access way priority list and/or Virtual network operator of multimode terminal.
8, multimode terminal according to claim 6 is selected the method for network automatically, it is characterized in that, in described candidate's access way priority list, the priority that is included in the access way in the user-defined access way priority list is higher than in the access way priority list that is included in Virtual network operator definition and is not included in access way in the user-defined access way priority list.
9, multimode terminal according to claim 7 is selected the method for network automatically, it is characterized in that,
In described candidate's access way priority list, the priority that is included in user-defined access way in the user-defined access way priority list is higher than in the access way priority list that is included in Virtual network operator definition and is not included in access way in the user-defined access way priority list;
In described candidate's access way priority list, the priority that is included in the access way in the access way priority list of Virtual network operator definition is higher than the access way in the access way priority list that is not included in user-defined access way priority list and Virtual network operator definition.
10, multimode terminal according to claim 1 is selected the method for network automatically, it is characterized in that, described candidate network priority list comprises the network of user-defined network and/or Virtual network operator definition, wherein, user-defined network packet is contained in the user-defined network priority list, and the network packet of Virtual network operator definition is contained in the network priority list of Virtual network operator definition.
11, multimode terminal according to claim 10 is selected the method for network automatically, it is characterized in that described candidate network priority list further comprises the network in the detected network priority list that is not included in the definition of user-defined network priority list and/or Virtual network operator of multimode terminal.
12, multimode terminal according to claim 10 is selected the method for network automatically, it is characterized in that, in the described candidate network priority list, the priority that is included in the network in the user-defined network priority list is higher than in the network priority list that is included in Virtual network operator definition and is not included in network in the user-defined network priority list.
13, multimode terminal according to claim 11 is selected the method for network automatically, it is characterized in that,
The priority of the network in the described candidate network priority list in the user-defined network priority list is higher than in the network priority list that is included in Virtual network operator definition and is not included in network in the user-defined network priority list;
In the described candidate network priority list, the priority that is included in the network in the network priority list of Virtual network operator definition is higher than the network in the network priority list that is not included in user-defined network priority list and Virtual network operator definition.
14, multimode terminal according to claim 1 is selected the method for network automatically, it is characterized in that, described access way priority list is stored in the subscriber identification module of multimode terminal.
15, multimode terminal according to claim 6 is selected the method for network automatically, it is characterized in that, the user increases, deletes and/or revise the operation of its priority to the access way in the described user-defined access way priority list.
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| CNB2004100429066A CN100499913C (en) | 2004-05-27 | 2004-05-27 | Method for selecting network automatically of a multi-mode terminal |
| PCT/CN2005/000740 WO2005117468A1 (en) | 2004-05-27 | 2005-05-27 | A method of selecting a network by multimode terminal |
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| CNB2004100429066A CN100499913C (en) | 2004-05-27 | 2004-05-27 | Method for selecting network automatically of a multi-mode terminal |
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| CN100499913C true CN100499913C (en) | 2009-06-10 |
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| CN1705400A (en) | 2005-12-07 |
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