CN101795484A - CDMA (Code Division Multiple Access) terminal and network searching method thereof - Google Patents
CDMA (Code Division Multiple Access) terminal and network searching method thereof Download PDFInfo
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- CN101795484A CN101795484A CN 201010124014 CN201010124014A CN101795484A CN 101795484 A CN101795484 A CN 101795484A CN 201010124014 CN201010124014 CN 201010124014 CN 201010124014 A CN201010124014 A CN 201010124014A CN 101795484 A CN101795484 A CN 101795484A
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Abstract
The invention discloses a CDMA terminal and a network searching method thereof, belonging to the field of network communication. The method comprises the following steps of: searching all available networks in a frequency range supported by the CDMA terminal and saving the identification information of the searched available networks; obtaining the message information of networks corresponding to the identification information from a network information file in the CDMA terminal according to the saved identification information and supplying the searched message information to users; receiving selection signals transmitted by the users according to the message information supplied by the CDMA terminal, wherein the selection signals carry the identification information of the selected network of the users; and registering resident networks by using the CDMA terminal according to the identification information of the selected network of the users. The CDMA terminal comprises a search module, an obtaining module, a receiving module and a registering module. Therefore, the terminal users can manually select networks to be resided according to various kinds of information of the networks.
Description
Technical field
The present invention relates to field of network communication, particularly a kind of CDMA (Code Division MultipleAccess, code division multiple access) terminal and method for searching network thereof.
Background technology
In the prior art, traditional CDMA terminal can enter the net pattern of searching automatically after start.The process of searching net can comprise: the network during at first the MRU (Most Recent Used, most recently used network) that preserves according to the CDMA terminal tabulates is searched for; If in the MRU tabulation, do not search available network, search for according to the network among the PRL (Prefered Roaming List, optimum roaming list) again; If in PRL, still do not search available network, the available network in the frequency range of being supported according to the acquiescence frequency sequential search CDMA terminal of stipulating in the relevant communications protocol of CDMA from low to high again; If still do not search available network, then start and search the net timer, the CDMA terminal shows no network state, and enters energy-saving mode; If searched available network in above-mentioned arbitrary link of searching in the network process, the CDMA terminal is registered in the network that searches, and enters normal holding state.
In realizing process of the present invention, the inventor finds that there is following shortcoming at least in prior art:
The above-mentioned network process of searching all is to carry out automatically behind the CDMA starting up of terminal, for the user, can't manually select resident network, and it is relatively poor to make that the CDMA terminal offers user's independence and selectivity ratios.
Summary of the invention
For the function of manual selection network is provided on the CDMA terminal, the embodiment of the invention provides a kind of CDMA terminal and method for searching network thereof.Described technical scheme is as follows:
On the one hand, the embodiment of the invention provides a kind of method for searching network of code division multiple access CDMA terminal, it is characterized in that, described method comprises:
In the frequency range that the CDMA terminal is supported, search for all available networks, and preserve the identification information of the available network that searches;
According to the identification information of preserving, obtain the information of the pairing network of described identification information in the network information files in described CDMA terminal, and the information that obtains is offered the user;
The selection signal that the information that receiving the user provides according to described CDMA terminal sends carries the identification information that described user selects network in the described selection signal;
Described CDMA terminal selects the identification information of network to carry out the registration of residing network according to described user.
On the other hand, the embodiment of the invention provides a kind of code division multiple access CDMA terminal, and described CDMA terminal comprises:
Search module, the frequency range that is used for supporting in the CDMA terminal is searched for all available networks, and wherein, the identification information of described available network is kept at the CDMA terminal;
Obtain module, be used for, obtain the information of the pairing network of described identification information in the network information files in described CDMA terminal, and the information that searches is offered the user according to the identification information of preserving;
Receiver module, the selection signal that the information that being used to receive the user provides according to described CDMA terminal sends carries the identification information that described user selects network in the described selection signal;
Registering modules is used for selecting the identification information of network to carry out the registration of residing network according to described user.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
During start, enter all available networks of manually searching in the frequency range that net pattern search terminal supports according to user's selection, and the identification information of preservation network, obtain the relevent information information of available network from the CDMA terminal according to the identification information of preserving, offering the user selects, and carry out the resident of network according to user's selection, make the terminal use manually to select to wish resident network according to the various informations of network, and be not only to carry out network selection according to the pre-set priority of manufacturer, improved the operability of CDMA terminal, further, improved the likability that the user uses the CDMA terminal.
Description of drawings
Fig. 1 is the method for searching network flow chart of the CDMA terminal that provides of one embodiment of the present of invention;
Fig. 2 is the method for searching network flow chart of the CDMA terminal that provides of an alternative embodiment of the invention;
Fig. 3 is the structural representation of the CDMA terminal that provides of an alternative embodiment of the invention;
Fig. 4 is the structural representation of the CDMA terminal that provides of an alternative embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
First embodiment of the present invention provides a kind of method for searching network of CDMA terminal, and as shown in Figure 1, this method comprises the steps:
S101: in the frequency range that the CDMA terminal is supported, search for all available networks, and preserve the identification information of the available network that searches;
S102: according to the identification information of preserving, in the network information files that the CDMA terminal is preserved, obtain the information of the pairing network of this identification information, and the information that obtains is offered the user;
S103: the selection signal that the information that receiving the user provides according to the CDMA terminal sends, carry the identification information that the user selects network in this selection signal;
S104: select the identification information of network to carry out the selection of CDMA terminal residing network according to the user.
The embodiment of the invention provides a kind of method for searching network of CDMA terminal, enter all available networks of manually searching in the frequency range that net pattern search terminal supports according to user's selection during start, and the identification information of preservation network, obtain the relevent information information of available network from the CDMA terminal according to the identification information of preserving, offering the user selects, and carry out the resident of network according to user's selection, make the terminal use manually to select to wish resident network according to the various informations of network, and be not only to carry out network selection according to the pre-set priority of manufacturer, improved the operability of CDMA terminal, further, improved the likability that the user uses the CDMA terminal.
Embodiment 2
Second embodiment of the present invention realizes that on the basis of first embodiment present embodiment provides a kind of method for searching network of CDMA terminal.Need to prove that the CDMA terminal in the embodiment of the invention can comprise multiple CDMA end entity such as CDMA mobile phone, CDMA data card product, does not do concrete qualification for the concrete entity type embodiment of the invention.Simultaneously, present embodiment can compatible prior art in the net pattern of searching automatically of CDMA terminal, be to provide the selection of searching the net pattern for the user after the CDMA terminal powers on, the user can select traditional net pattern of searching automatically, the net pattern of manually searching that provides in the embodiment of the invention also can be provided, it can be prompting frame, dialog box etc. that the selection of searching the net pattern specifically is provided, and the embodiment of the invention is not done concrete qualification.When the user selects traditional net pattern of searching automatically, promptly the CDMA terminal receives the user when selecting to search the signal of net pattern automatically, and the CDMA terminal can be carried out the search of available network according to automatic method for searching network of the prior art; When the user selected manually to search the net pattern, when promptly the CDMA terminal was accepted the user and selected manually to search the signal of net pattern, the method for searching network of CDMA terminal can be referring to Fig. 2, and concrete, present embodiment comprises the steps:
The S201:CDMA terminal is searched for available network in the frequency range that this CDMA terminal supported according to frequency set in the relevant communication protocol;
Wherein, can according to frequency from low to high or order from high to low carry out the search of available network.Relevant communication protocol can wherein have been stipulated information such as the operable frequency range of CDMA terminal, frequency for 3GPP (3rd Generation Partnership Project, the 3rd generation partner program) 2 agreements etc.
Whether the S202:CDMA terminal judges searches available network;
If carry out S203;
If not, continue to carry out S201.
Wherein,, promptly can begin search again immediately, also begin search again after the time that can preset at interval if the CDMA terminal does not search available network in S201.
S203: the identification information of the available network that searches is preserved;
Wherein, the identification information of available network comprises its SID (System Identifier, system identification) and NID (Network Identifier, NID); Can further include frequency point information etc.
The file of preserving identification information both can be the file of CDMA terminal Already in, and as AVA_SYS_LIST tabulation, database etc., can also be the CDMA terminal be the file of the new establishment of identification information of preserving above-mentioned available network.
S204: judge frequency range that this CDMA terminal supported whether all search finish;
If carry out S205;
If not, carry out S201.
S205: whether the identification information of checking the available network of having preserved is empty;
If carry out S208;
If not, carry out S206.
S206: according to the identification information of having preserved, in the network information files that the CDMA terminal is preserved, obtain the information of the pairing network of this identification information, and the information that searches is offered the user;
Wherein, can pass through ERI (EnhancedRoaming Indicator, enhancement mode roaming indication) technology at the local information of preserving diverse network of CDMA terminal realizes.The core of ERI technology is to preserve network title, roaming indication, icon even the information such as type of service and rate of each carrier network correspondence in a file, and this document is kept on the internal memory of CDMA terminal, application program on the CDMA terminal can be inquired about the various informations of carrier network by this document, and example is as shown in table 1:
Table 1
| ??SID | ??NID | The network title | The roaming indication | Icon | Type of service | Rate |
| ??4 | ??1 | CHINAUNICOM | ??0 | (summary) | Packet data service | ??1RMB/h |
Wherein, can uniquely determine a network, determine after the network, can obtain the information relevant, as network title, roaming indication, icon, type of service, rate etc. with this network according to SID and NID.
The information of the network that searches is offered the user can be in several ways, as: on the UI of CDMA terminal (User Interface, user interface), be shown to the user or the form by sound plays to user etc.Simultaneously, if what offer the user is the information of a plurality of available networks, then can also provide the priority given tacit consent between a plurality of available networks (promptly can when searching net automatically priority).
The S207:CDMA terminal enters normal holding state according to the identification information registered network that carries in the user's selection signals;
Wherein, user's selection signals be according to the CDMA terminal for the information that it provides compares, sends to after selecting the CDMA terminal, in selecting signal, need to carry the identification information that the user selects resident network.
Need to prove, before the step S207, can further include following steps: judge whether in Preset Time, to receive user's selection signals; When judged result when being, carry out S207; Otherwise the CDMA terminal enters and searches the net pattern automatically.
General Preset Time can be that the CDMA terminal has been set when dispatching from the factory, perhaps is provided with by modes such as the user set up on their own, and present embodiment is not done qualification to the method to set up of Preset Time, the time length of Preset Time.
The S208:CDMA starting terminal is searched the net timer, shows no network, and enters energy-saving mode.
The embodiment of the invention provides a kind of method for searching network of CDMA terminal, this method has had the pattern that traditional C DMA terminal is searched net automatically concurrently, provide a kind of user can manually search the method for net again, enter all available networks of manually searching in the frequency range that net pattern search terminal supports according to user's selection during start, and obtain the relevant information of the available network search from this locality, offer the user and select, and carry out the resident of network according to user's selection.Make the terminal use manually to select to wish resident network, and be not only to carry out network selection according to the pre-set priority of manufacturer according to multiple information such as the signal quality of network, operator, rate.
Embodiment 3
Implement on the basis that the 3rd embodiment of the present invention is any embodiment in preceding two embodiment, present embodiment provides a kind of CDMA terminal, and referring to Fig. 3, this CDMA terminal comprises:
Wherein, the identification information of the available network that searches can be kept at the CDMA terminal.
Obtain module 302, be used for, obtain the information of the pairing network of identification information in the network information files in the CDMA terminal, and the information that searches is offered the user according to the identification information of having preserved;
Registering modules 304 is used for selecting the identification information of network to carry out the registration of residing network according to the user.
Wherein, the identification information of preserving in the search module 301 comprises at least: system identification SID and NID NID.
Wherein, network information files is an enhancement mode roaming indication ERI file.
Under a kind of execution mode, receiver module 303 also is used for: receive user's mode select signal, carry the net pattern of searching that the user selects in the mode select signal;
Accordingly, search module 301 specifically comprises:
Search unit, the net pattern of searching that the user who is used for carrying when mode select signal that receiver module 303 receives selects are searched for all available networks when manually searching net in the frequency range that the CDMA terminal is supported.
Referring to Fig. 4, under a kind of execution mode, this CDMA terminal also comprises:
Automatically search net module 306, if the judged result that is used for judge module for not, enters and searches the net pattern automatically and search net.
Under a kind of execution mode, acquisition module 302 comprises provides the unit, provides the unit specifically to comprise:
Show subelement, be used on the user interface UI of CDMA terminal, being shown to the user;
Perhaps,
Play subelement, be used for playing to the user with the form of sound.
Need to prove that the CDMA terminal described in the embodiment of the invention comprises the multiple CDMA end entity such as PC of CDMA mobile phone, CDMA data card product, built-in module.
The embodiment of the invention provides a kind of CDMA terminal, this device has had the pattern that traditional C DMA terminal is searched net automatically concurrently, provide a kind of user can manually search the method for net again, enter all available networks of manually searching in the frequency range that net pattern search terminal supports according to user's selection by when start, and obtain the relevant information of the available network search from this locality, offer the user and select, and carry out the resident of network according to user's selection.Make the terminal use manually to select to wish resident network, and be not only to carry out network selection according to the pre-set priority of manufacturer according to multiple information such as the signal quality of network, operator, rate.
One of ordinary skill in the art will appreciate that, realize that all or part of step in the foregoing description method is to finish by program or the relevant hardware of instruction, described program can be stored in the computer read/write memory medium, described storage medium is as ROM/RAM/ disk/optical disc etc.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for searching network of a code division multiple access CDMA terminal is characterized in that, described method comprises:
In the frequency range that the CDMA terminal is supported, search for all available networks, and preserve the identification information of the available network that searches;
According to the identification information of preserving, obtain the information of the pairing network of described identification information in the network information files in described CDMA terminal, and the information that obtains is offered the user;
The selection signal that the information that receiving the user provides according to described CDMA terminal sends carries the identification information that described user selects network in the described selection signal;
Described CDMA terminal selects the identification information of network to carry out the registration of residing network according to described user.
2. the method for claim 1 is characterized in that, described in the frequency range that the CDMA terminal is supported before all available networks of search, described method also comprises:
Receive user's mode select signal, carry the net pattern of searching that the user selects in the described mode select signal;
Accordingly, described all available networks of searching in the frequency range that the CDMA terminal is supported are specially:
When the net pattern of searching of user's selection of carrying in the described mode select signal is netted for manually searching, all available networks of search in the frequency range that the CDMA terminal is supported.
3. the method for claim 1 is characterized in that, described information with the described available network that searches offers after the user, and described method also comprises:
The selection signal that the information that judging whether to receive the user in default effective time provides according to described CDMA terminal sends;
If not, enter and search the net pattern automatically and search net.
4. the method for claim 1 is characterized in that, described the information that searches is offered the user, specifically comprises:
On the user interface UI of described CDMA terminal, be shown to the user;
Perhaps, the form with sound plays to the user.
5. a code division multiple access CDMA terminal is characterized in that, described CDMA terminal comprises:
Search module, the frequency range that is used for supporting in the CDMA terminal is searched for all available networks, and wherein, the identification information of described available network is kept at the CDMA terminal;
Obtain module, be used for, obtain the information of the pairing network of described identification information in the network information files in described CDMA terminal, and the information that searches is offered the user according to the identification information of preserving;
Receiver module, the selection signal that the information that being used to receive the user provides according to described CDMA terminal sends carries the identification information that described user selects network in the described selection signal;
Registering modules is used for selecting the identification information of network to carry out the registration of residing network according to described user.
6. CDMA terminal as claimed in claim 5 is characterized in that, described identification information comprises: system identification SID and NID NID.
7. CDMA terminal as claimed in claim 5 is characterized in that, described network information files is an enhancement mode roaming indication ERI file.
8. CDMA terminal as claimed in claim 5 is characterized in that, described receiver module also is used for: receive user's mode select signal, carry the net pattern of searching that the user selects in the described mode select signal;
Accordingly, described search module specifically comprises:
Search unit, the net pattern of searching that the user who is used for carrying when mode select signal that described receiver module receives selects are searched for all available networks when manually searching net in the frequency range that the CDMA terminal is supported.
9. CDMA terminal as claimed in claim 5 is characterized in that, described device also comprises:
Judge module, the selection signal that the information that being used to judge whether to receive the user in default effective time provides according to described CDMA terminal sends;
Automatically search the net module, if the judged result that is used for described judge module for not, enters and searches the net pattern automatically and search net.
10. CDMA terminal as claimed in claim 5 is characterized in that, described acquisition module comprises provides the unit, and the described unit that provides specifically comprises:
Show subelement, be used on the user interface UI of described CDMA terminal, being shown to the user;
Perhaps,
Play subelement, be used for playing to the user with the form of sound.
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| CN 201010124014 CN101795484A (en) | 2010-02-26 | 2010-02-26 | CDMA (Code Division Multiple Access) terminal and network searching method thereof |
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| CN103179624A (en) * | 2013-02-19 | 2013-06-26 | 北京创毅讯联科技股份有限公司 | Method and device for switching modes of mobile communication terminal |
| CN103857070A (en) * | 2012-12-06 | 2014-06-11 | 中国电信股份有限公司 | Method, unit and mobile terminal for restricting multimode disturbance |
| CN113518410A (en) * | 2020-04-10 | 2021-10-19 | 维沃移动通信有限公司 | Network selection method and communication equipment |
| CN114339952A (en) * | 2020-09-29 | 2022-04-12 | 紫光展锐(重庆)科技有限公司 | Communication method and communication device for multi-mode terminal |
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| CN103857070A (en) * | 2012-12-06 | 2014-06-11 | 中国电信股份有限公司 | Method, unit and mobile terminal for restricting multimode disturbance |
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Application publication date: 20100804 |