CN105472704A - Network searching method and device of mobile terminal - Google Patents
Network searching method and device of mobile terminal Download PDFInfo
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- CN105472704A CN105472704A CN201511032167.7A CN201511032167A CN105472704A CN 105472704 A CN105472704 A CN 105472704A CN 201511032167 A CN201511032167 A CN 201511032167A CN 105472704 A CN105472704 A CN 105472704A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The invention discloses a network searching method of a mobile terminal; the network searching method of the mobile terminal comprises the following steps: obtaining current position information of the mobile terminal; determining frequency points in need of searching according to the obtained position information; and carrying out network searching treatment successively according to the obtained frequency points till a resident frequency point is found. The invention further discloses a network searching device of the mobile terminal. According to the network searching method and the network searching device of the mobile terminal, the problem that the existing mobile terminal needs to search all frequency points in frequency point searching process so that the network searching speed is very slow is solved, and the network searching speed of the mobile terminal is improved.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of method for searching network and device of mobile terminal.
Background technology
Mobile terminal after powering, all needs to carry out SIM card and looks for net, namely search for frequency, then by the resident community of network to belonging to this SIM card operator of frequency.In the process of search frequency, support that the mobile terminal of fixing SIM card is when shutting down, can most recently used network frequency be kept in SIM card, again these frequencies can be read and these frequencies of first search from SIM card after start, if search less than searching for all frequencies again, thus cause search net spee can be very slow.In addition, along with the development of mobile network's business and mobile terminal, part mobile terminal brings into use dynamic SIM card technology, by dynamic SIM card technology, terminal can apply for different SIM card according to the network information searched to backstage, but with this simultaneously, adopts the terminal of dynamic SIM card technology when searching for frequency, need to search for all frequencies, cause that to search net spee very slow.
Known in sum, existing mobile terminal, in the process of search frequency, needs to search for all frequencies, thus causes that to search net spee very slow.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is the method for searching network and the device that provide a kind of mobile terminal, is intended to solve existing mobile terminal in the process of search frequency, needs to search for all frequencies, thus causes and search the very slow problem of net spee.
For achieving the above object, the method for searching network of a kind of mobile terminal provided by the invention, the method for searching network of described mobile terminal comprises the following steps:
Obtain the positional information that mobile terminal is current;
The frequency needing search is determined according to the described positional information obtained;
Carry out searching net process successively according to the described frequency obtained, until find can be resident frequency.
Alternatively, the step of the positional information that described acquisition mobile terminal is current comprises:
Read the band of position configuration information that mobile terminal prestores, wherein, described band of position configuration information comprises the band of position that mobile terminal allows to use and the frequency allowing the needs search existed in the band of position of use;
The described described positional information according to obtaining is determined to need the step of the frequency of search to comprise:
The described frequency needing search is obtained according to described band of position configuration information.
Alternatively, the step of the positional information that described acquisition mobile terminal is current comprises:
Start the locating module of mobile terminal, and obtain the current positional information of described mobile terminal by described locating module.
Alternatively, the step of the positional information that described acquisition mobile terminal is current comprises:
Available frequency in scanning active wireless network environment;
After scanning described available frequency, lock described available frequency, and obtain the system message of described available community, frequency place;
The current positional information of described mobile terminal is obtained according to described system message.
Alternatively, the described described positional information according to obtaining is determined to need the step of the frequency of search to comprise:
According to the frequency table that described place information inquiry mobile terminal prestores, wherein, described frequency table comprises the mapping relations of the frequency of positional information and needs search;
The described frequency needing search is determined according to described mapping relations.
In addition, for achieving the above object, what the present invention also provided a kind of mobile terminal searches net arrangement, and the net arrangement of searching of described mobile terminal comprises:
Acquisition module, for obtaining the current positional information of mobile terminal;
Determination module, for determining the frequency needing search according to the described positional information obtained;
Search net module, for carrying out searching net process successively according to the described frequency obtained, until find can be resident frequency.
Alternatively, described acquisition module is also for reading the band of position configuration information that mobile terminal prestores, and wherein, described band of position configuration information comprises the band of position that mobile terminal allows to use and the frequency allowing the needs search existed in the band of position of use;
Described determination module, also for obtaining the described frequency needing search according to described band of position configuration information.
Alternatively, described acquisition module also for starting the locating module of mobile terminal, and obtains the current positional information of described mobile terminal by described locating module.
Alternatively, described acquisition module comprises:
Scanning element, for scanning the available frequency in active wireless network environment;
Lock cell, for after scanning described available frequency, locks described available frequency, and obtains the system message of described available community, frequency place;
Acquiring unit, for obtaining the current positional information of described mobile terminal according to described system message.
Alternatively, described determination module comprises:
Query unit, for the frequency table prestored according to described place information inquiry mobile terminal, wherein, described frequency table comprises the mapping relations of the frequency of positional information and needs search;
Determining unit, for determining the described frequency breath needing search according to described mapping relations.
The present invention passes through at mobile terminal in the process of search frequency, obtain the positional information that mobile terminal is current, then determine according to the described positional information obtained the frequency needing search, and do not need to search for all frequencies, finally carry out successively searching net process according to the described frequency obtained, until find can be resident frequency, thus efficiently solve existing mobile terminal in the process of search frequency, need to search for all frequencies, thus cause and search the very slow problem of net spee, what improve mobile terminal searches net spee.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the first embodiment of the method for searching network of mobile terminal of the present invention;
The schematic flow sheet of the second embodiment of the method for searching network of Fig. 2 mobile terminal of the present invention;
Fig. 3 is the schematic flow sheet of the 3rd embodiment of the method for searching network of mobile terminal of the present invention;
Fig. 4 is the step refinement schematic flow sheet obtaining the current positional information of mobile terminal in Fig. 1;
Fig. 5 is the step refinement schematic flow sheet determining the frequency needing search in Fig. 3 according to the described positional information obtained;
Fig. 6 is the high-level schematic functional block diagram of searching the first embodiment of net arrangement of mobile terminal of the present invention;
Fig. 7 is the refinement high-level schematic functional block diagram of acquisition module in Fig. 6;
Fig. 8 is the refinement high-level schematic functional block diagram of determination module in Fig. 6.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Based on the problems referred to above, the invention provides a kind of method for searching network of mobile terminal.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are the first embodiment of the method for searching network of mobile terminal of the present invention.
In the present embodiment, the method for searching network of described mobile terminal comprises:
Step S10, obtains the positional information that mobile terminal is current;
In the present embodiment, described mobile terminal comprises mobile phone, PDA (personal digital assistant), PAD (panel computer) etc.Described mobile terminal is for mobile phone, and when after mobile phone power-on, mobile phone needs to carry out SIM card and looks for net, and namely search for frequency, described frequency is the numbering to fixed frequency.Prestore in mobile phone need search frequency, described in prestore needs search frequency can the positional information current according to described mobile terminal determine.The current location information of described mobile terminal can be accurate positional information, also can be coarse positional information, described accurate positional information is the position obtained by the locating module of mobile terminal, or be the positional information by the community residing for mobile terminal, the described country of coarse positional information residing for mobile terminal, namely current mobile terminal uses in China, or use in the U.S., or current mobile terminal uses in Asia, or in European Area use etc.
Step S20, determines according to the described positional information obtained the frequency needing search;
After the positional information getting described mobile terminal, just can determine according to the described positional information obtained the frequency needing search, and not need to search for all frequencies.Described need the frequency of search can divide for all frequency ranges of China Mobile frequency, China Telecom all frequency ranges divide frequency, CHINAUNICOM the frequency that divides of all frequency ranges; Or be some frequency in the frequency that all frequency ranges of some frequency in the frequency that all frequency ranges of some frequency in the frequency that all frequency ranges of China Mobile divide, China Telecom divide, CHINAUNICOM divide; Or be the frequency that all frequency ranges of foreign operator divide; Or be some frequency in the frequency that all frequency ranges of foreign operator divide.
Step S30, carries out searching net process successively according to the described frequency obtained, until find can be resident frequency.
After getting the frequency needing search, carry out searching net process successively, until find can be resident frequency.Carrying out searching in the process of net process, because described frequency is the numbering to fixed frequency, namely described frequency has numbering, such as frequency 1, frequency 2, frequency 3 etc.Therefore can carry out successively searching net process according to the described order of the frequency point number of search that needs, namely preferential searching frequency 1 nets process, searches in current network whether there is frequency 1.Described mobile phone is searched net process and is specifically comprised the following steps:
Step one, mobile phone frequency sweep: after mobile phone power-on, get started scan for networks, find available frequency;
Step 2, mobile phone frequency locking: after mobile phone finds available frequency, by " frequency correction signal " on FCCH (FrequencyCorrectionChannel, frequency correction channel), lock this frequency frequency;
Step 3, mobile phone are synchronous: after mobile phone locks this frequency, by 0 slot synchronization of " synchronizing signal " on SCH (SynchronizationChannel, synchronizing channel) with this frequency;
Step 4, mobile phone receiving system message: after 0 slot synchronization of mobile phone and this frequency, just can obtain the system message of this community, frequency place from this time slot.The content of system message is a lot, in this step, mobile phone compares mainly through the information that system message and SIM card are preserved determines that whether this frequency is the frequency of this mobile phone place network (China Mobile, CHINAUNICOM, China Telecom etc.), if, namely find can be resident frequency, mobile phone will start access procedure; If not, mobile phone can abandon this frequency, continues to use other frequencies to carry out searching net process.
The present invention passes through at mobile terminal in the process of search frequency, obtain the positional information that mobile terminal is current, then determine according to the described positional information obtained the frequency needing search, and do not need to search for all frequencies, finally carry out successively searching net process according to the described frequency obtained, until find can be resident frequency, thus efficiently solve existing mobile terminal in the process of search frequency, need to search for all frequencies, thus cause and search the very slow problem of net spee, what improve mobile terminal searches net spee.
Further, propose the second embodiment of the method for searching network of mobile terminal of the present invention based on the first embodiment, with reference to Fig. 2, described step S10 comprises:
Step S11, reads the band of position configuration information that mobile terminal prestores;
The described described positional information according to obtaining is determined to need the step of the frequency of search to comprise:
Step S21, obtains the described frequency needing search according to described band of position configuration information.
In the present embodiment, band of position configuration information is prestored in described mobile terminal.Described band of position configuration information comprises the band of position that mobile terminal allows to use and the frequency allowing the needs search existed in the band of position of use.Described mobile terminal allows the position area information used can be country, such as China, the U.S., Britain etc., or be larger region, such as China, European Area, America district etc., corresponding, the described frequency of search that needs is all frequencies that described dynamic terminal allows to exist in the band of position used.Such as, the described band of position configuration information prestored is China, the described frequency needing search is China Mobile, China Telecom, the frequency of CHINAUNICOM, when described mobile terminal carries out search frequency, then only need to search for China Mobile, China Telecom, the frequency of CHINAUNICOM, and other frequency need not be searched for, the frequency that the such as network of operator of India has, namely in the search procedure of frequency, the Base Band Unit of mobile terminal is search from the frequency of China Mobile or China Telecom or CHINAUNICOM directly, the frequency of current search whether is there is in search current network conditions, and search in current network conditions whether there is this frequency the frequency that the lower frequency range that need not have from the operator of other countries divides, thus save the time of search needed for these frequencies.
The present embodiment is by reading the band of position configuration information prestored, and therefrom obtain the frequency needing search, thus solve existing mobile terminal in the process of search frequency, need to search for all frequencies, thus cause and search the very slow problem of net spee, what improve mobile terminal searches net spee.
Further, propose the 3rd embodiment of the method for searching network of mobile terminal of the present invention based on above-mentioned first embodiment, with reference to Fig. 3, described step S10 can also comprise:
Step S12, starts the locating module of mobile terminal, and obtains the current positional information of described mobile terminal by described locating module;
In the present embodiment, can be obtained the current location information of mobile terminal by the locating module of mobile terminal, described positional information is longitude and the latitude information of the current present position of described mobile terminal.When needing the current location information obtaining mobile terminal, start the locating module of mobile terminal, obtain the current positional information of described mobile terminal by described locating module, described locating module can be GPS locating module, Big Dipper locating module, GPS Big Dipper bimodulus locating module etc.
Obtained the positional information of mobile terminal by the locating module of mobile terminal in the present embodiment, then according to the frequency table that described positional information acquisition mobile terminal prestores, and therefrom obtain the frequency needing search, thus solve existing mobile terminal in the process of search frequency, need to search for all frequencies, thus cause and search the very slow problem of net spee, what improve mobile terminal searches net spee.
Further, propose the 4th embodiment of the method for searching network of mobile terminal of the present invention based on above-mentioned 3rd embodiment, with reference to Fig. 4, described step S10 can also comprise:
Step S13, the available frequency in scanning active wireless network environment;
In the present embodiment, described available frequency is the frequency existed in current network conditions, and described frequency can be the frequency of the frequency of China Mobile, the frequency of China Telecom, the frequency of CHINAUNICOM or other external operators.Concrete, the Base Band Unit of described mobile terminal according to must be that order scans each frequency successively, and judges whether to sweep to this frequency, if scan a frequency, then this frequency is the described available frequency in environment.It should be noted that, each frequency can be scanned according to the size of frequency corresponding to frequency when described Base Band Unit scans each frequency in a certain order, namely scan from the frequency of the little correspondence of frequency, until find available frequency.
Step S14, after scanning described available frequency, locks described available frequency, and obtains the system message of described available community, frequency place;
Step S15, obtains the current positional information of described mobile terminal according to described system message.
Mobile terminal is after getting described available frequency, by " frequency correction signal " on frequency correction channel, lock this frequency frequency, by 0 slot synchronization of " synchronizing signal " in synchronizing channel with this frequency, with 0 slot synchronization of this frequency after, the system message of this community, frequency place just can be obtained from this time slot, LAC information (locationareacode is there is in described system message, Location Area Code), described Location Area Code is the region arranged for paging in mobile communication system, cover a slice geographic area, initial stage is generally by administrative division (Huo Yige district of a county), now very flexible, divide by paging amount, when the paging amount under a LAC reaches an early warning thresholding, just must split. in order to determine the position of travelling carriage, the area of coverage of each GSMPLMN is divided into many lane place, Location Area Code (LAC) is then for identifying different lane place, therefore by obtaining the Location Area Code in described system message, and according to the mapping table of Location Area Code and lane place, just can determine the positional information that mobile terminal is current.It should be noted that, the mapping table of described Location Area Code and lane place prestores with terminal.
This enforcement is by obtaining an available frequency in wireless network environment, then by obtaining the current location information of the system message determination mobile terminal of described available frequency, make, when mobile terminal does not have locating module or locating module is out of order, also can obtain the positional information of current mobile terminal.
Further, propose the 5th embodiment of the method for searching network of mobile terminal of the present invention based on the above-mentioned 3rd or the 4th embodiment, with reference to Fig. 5, described step S20 comprises:
Step S22, according to the frequency table that described place information inquiry mobile terminal prestores, wherein, described frequency table comprises the mapping relations of the frequency of positional information and needs search;
Step S23, determines the described frequency needing search according to described mapping relations.
After getting the current positional information of described mobile terminal, according to described place information inquiry frequency table.Described frequency table is pre-existing in described mobile terminal, have recorded diverse location information and the mapping relations needing the frequency searched in this frequency table.After the positional information obtaining described mobile terminal, by inquiring about described frequency table, and obtain the described frequency needing to search for according to diverse location information in described frequency table with needing the mapping relations of the frequency searched for.Such as, use in China before described mobile terminal shutdown, when described mobile terminal is started shooting again, use abroad, as long as the then now position enquiring frequency table of mobile terminal residing for current acquisition, just can obtain the frequency that described needs are searched for, and no longer need each frequency first searching for domestic existence, after search is less than available frequency, then search for other frequencies, thus save and search the net time.
The present embodiment by the position enquiring frequency table residing for current acquisition, thus obtains the described frequency needing search, saves and searches the net time.
What the present invention further provides a kind of mobile terminal searches net arrangement.
With reference to the high-level schematic functional block diagram of searching the first embodiment of net arrangement that Fig. 6, Fig. 6 are mobile terminal of the present invention.
In the present embodiment, the net arrangement of searching of described mobile terminal comprises: acquisition module 10, determination module 20 and search net module 30.
Described acquisition module 10, for obtaining the current positional information of mobile terminal;
In the present embodiment, described mobile terminal comprises mobile phone, PDA (personal digital assistant), PAD (panel computer) etc.Described mobile terminal is for mobile phone, and when after mobile phone power-on, mobile phone needs to carry out SIM card and looks for net, and namely search for frequency, described frequency is the numbering to fixed frequency.Prestore in mobile phone need search frequency, described in prestore needs search frequency can the positional information current according to described mobile terminal determine.The current location information of described mobile terminal can be accurate positional information, also can be coarse positional information, described accurate positional information is the position obtained by the locating module of mobile terminal, or be the positional information by the community residing for mobile terminal, the described country of coarse positional information residing for mobile terminal, namely current mobile terminal uses in China, or use in the U.S., or current mobile terminal uses in Asia, or in European Area use etc.
Described determination module 20, for determining the frequency needing search according to the described positional information obtained;
After the positional information getting described mobile terminal, just can determine according to the described positional information obtained the frequency needing search, and not need to search for all frequencies.Described need the frequency of search can divide for all frequency ranges of China Mobile frequency, China Telecom all frequency ranges divide frequency, CHINAUNICOM the frequency that divides of all frequency ranges; Or be some frequency in the frequency that all frequency ranges of some frequency in the frequency that all frequency ranges of some frequency in the frequency that all frequency ranges of China Mobile divide, China Telecom divide, CHINAUNICOM divide; Or be the frequency that all frequency ranges of foreign operator divide; Or be some frequency in the frequency that all frequency ranges of foreign operator divide.
Describedly searching net module 30, searching net process for carrying out successively according to the described frequency obtained, until find can be resident frequency.
After getting the frequency needing search, carry out searching net process successively, until find can be resident frequency.Carrying out searching in the process of net process, because described frequency is the numbering to fixed frequency, namely described frequency has numbering, such as frequency 1, frequency 2, frequency 3 etc.Therefore can carry out successively searching net process according to the described order of the frequency point number of search that needs, namely preferential searching frequency 1 nets process, searches in current network whether there is frequency 1.Described mobile phone is searched net process and is specifically comprised the following steps:
Step one, mobile phone frequency sweep: after mobile phone power-on, get started scan for networks, find available frequency;
Step 2, mobile phone frequency locking: after mobile phone finds available frequency, by " frequency correction signal " on FCCH (FrequencyCorrectionChannel, frequency correction channel), lock this frequency frequency;
Step 3, mobile phone are synchronous: after mobile phone locks this frequency, by 0 slot synchronization of " synchronizing signal " on SCH (SynchronizationChannel, synchronizing channel) with this frequency;
Step 4, mobile phone receiving system message: after 0 slot synchronization of mobile phone and this frequency, just can obtain the system message of this community, frequency place from this time slot.The content of system message is a lot, in this step, mobile phone compares mainly through the information that system message and SIM card are preserved determines that whether this frequency is the frequency of this mobile phone place network (China Mobile, CHINAUNICOM, China Telecom etc.), if, namely find can be resident frequency, mobile phone will start access procedure; If not, mobile phone can abandon this frequency, continues to use other frequencies to carry out searching net process.
Further, described acquisition module 10 is also for reading the band of position configuration information that mobile terminal prestores, wherein, described band of position configuration information comprises the band of position that mobile terminal allows to use and the frequency allowing the needs search existed in the band of position of use;
Described determination module 20, also for obtaining the described frequency needing search according to described band of position configuration information.
Band of position configuration information is prestored in described mobile terminal.Described band of position configuration information comprises the band of position that mobile terminal allows to use and the frequency allowing the needs search existed in the band of position of use.Described mobile terminal allows the position area information used can be country, such as China, the U.S., Britain etc., or be larger region, such as China, European Area, America district etc., corresponding, the described frequency of search that needs is all frequencies that described dynamic terminal allows to exist in the band of position used.Such as, the described band of position configuration information prestored is China, the described frequency needing search is China Mobile, China Telecom, the frequency of CHINAUNICOM, when described mobile terminal carries out search frequency, then only need to search for China Mobile, China Telecom, the frequency of CHINAUNICOM, and other frequency need not be searched for, the frequency that the such as network of operator of India has, namely in the search procedure of frequency, the Base Band Unit of mobile terminal is search from the frequency of China Mobile or China Telecom or CHINAUNICOM directly, the frequency of current search whether is there is in search current network conditions, and search in current network conditions whether there is this frequency the frequency that the lower frequency range that need not have from the operator of other countries divides, thus save the time of search needed for these frequencies.
Further, described acquisition module 10 also for starting the locating module of mobile terminal, and obtains the current positional information of described mobile terminal by described locating module.
Can be obtained the current location information of mobile terminal by the locating module of mobile terminal, described positional information is longitude and the latitude information of the current present position of described mobile terminal.When needing the current location information obtaining mobile terminal, start the locating module of mobile terminal, obtain the current positional information of described mobile terminal by described locating module, described locating module can be GPS locating module, Big Dipper locating module, GPS Big Dipper bimodulus locating module etc.
Invent by mobile terminal search frequency process in, obtain the positional information that mobile terminal is current, then determine according to the described positional information obtained the frequency needing search, and do not need to search for all frequencies, finally carry out successively searching net process according to the described frequency obtained, until find can be resident frequency, thus efficiently solve existing mobile terminal in the process of search frequency, need to search for all frequencies, thus cause and search the very slow problem of net spee, what improve mobile terminal searches net spee.
Further, propose second embodiment of searching net arrangement of mobile terminal of the present invention based on above-mentioned first embodiment, with reference to Fig. 7, described acquisition module 10 comprises scanning element 11, lock cell 12 and acquiring unit 13.
Described scanning element 11, for scanning the available frequency in active wireless network environment;
In the present embodiment, described available frequency is the frequency existed in current network conditions, and described frequency can be the frequency of the frequency of China Mobile, the frequency of China Telecom, the frequency of CHINAUNICOM or other external operators.Concrete, the Base Band Unit of described mobile terminal according to must be that order scans each frequency successively, and judges whether to sweep to this frequency, if scan a frequency, then this frequency is the described available frequency in environment.It should be noted that, each frequency can be scanned according to the size of frequency corresponding to frequency when described Base Band Unit scans each frequency in a certain order, namely scan from the frequency of the little correspondence of frequency, until find available frequency.
Described lock cell 12, for after scanning described available frequency, locks described available frequency, and obtains the system message of described available community, frequency place;
Described acquiring unit 13, for obtaining the current positional information of described mobile terminal according to described system message.
Mobile terminal is after getting described available frequency, by " frequency correction signal " on frequency correction channel, lock this frequency frequency, by 0 slot synchronization of " synchronizing signal " in synchronizing channel with this frequency, with 0 slot synchronization of this frequency after, the system message of this community, frequency place just can be obtained from this time slot, LAC information (locationareacode is there is in described system message, Location Area Code), described Location Area Code is the region arranged for paging in mobile communication system, cover a slice geographic area, initial stage is generally by administrative division (Huo Yige district of a county), now very flexible, divide by paging amount, when the paging amount under a LAC reaches an early warning thresholding, just must split. in order to determine the position of travelling carriage, the area of coverage of each GSMPLMN is divided into many lane place, Location Area Code (LAC) is then for identifying different lane place, therefore by obtaining the Location Area Code in described system message, and according to the mapping table of Location Area Code and lane place, just can determine the positional information that mobile terminal is current.It should be noted that, the mapping table of described Location Area Code and lane place prestores with terminal.
This enforcement is by obtaining an available frequency in wireless network environment, then by obtaining the current location information of the system message determination mobile terminal of described available frequency, make, when mobile terminal does not have locating module or locating module is out of order, also can obtain the positional information of current mobile terminal.
Further, propose the 3rd embodiment of searching net arrangement of mobile terminal of the present invention based on the above-mentioned first or second embodiment, with reference to Fig. 8, described determination module 20 comprises: query unit 21 and determining unit 22.
Described query unit 21, for the frequency table prestored according to described place information inquiry mobile terminal, wherein, described frequency table comprises the mapping relations of the frequency of positional information and needs search;
Described determining unit 22, for determining the described frequency breath needing search according to described mapping relations.
After getting the current positional information of described mobile terminal, according to described place information inquiry frequency table.Described frequency table is pre-existing in described mobile terminal, have recorded diverse location information and the mapping relations needing the frequency searched in this frequency table.After the positional information obtaining described mobile terminal, by inquiring about described frequency table, and obtain the described frequency needing to search for according to diverse location information in described frequency table with needing the mapping relations of the frequency searched for.Such as, use in China before described mobile terminal shutdown, when described mobile terminal is started shooting again, use abroad, as long as the then now position enquiring frequency table of mobile terminal residing for current acquisition, just can obtain the frequency that described needs are searched for, and no longer need each frequency first searching for domestic existence, after search is less than available frequency, then search for other frequencies, thus save and search the net time.
The present embodiment by the position enquiring frequency table residing for current acquisition, thus obtains the described frequency needing search, saves and searches the net time.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a method for searching network for mobile terminal, is characterized in that, the method for searching network of described mobile terminal comprises the following steps:
Obtain the positional information that mobile terminal is current;
The frequency needing search is determined according to the described positional information obtained;
Carry out searching net process successively according to the described frequency obtained, until find can be resident frequency.
2. the method for searching network of mobile terminal as claimed in claim 1, it is characterized in that, the step of the positional information that described acquisition mobile terminal is current comprises:
Read the band of position configuration information that mobile terminal prestores, wherein, described band of position configuration information comprises the band of position that mobile terminal allows to use and the frequency allowing the needs search existed in the band of position of use;
The described described positional information according to obtaining is determined to need the step of the frequency of search to comprise:
The described frequency needing search is obtained according to described band of position configuration information.
3. the method for searching network of mobile terminal as claimed in claim 1, it is characterized in that, the step of the positional information that described acquisition mobile terminal is current comprises:
Start the locating module of mobile terminal, and obtain the current positional information of described mobile terminal by described locating module.
4. the method for searching network of mobile terminal as claimed in claim 1, it is characterized in that, the step of the positional information that described acquisition mobile terminal is current comprises:
Available frequency in scanning active wireless network environment;
After scanning described available frequency, lock described available frequency, and obtain the system message of described available community, frequency place;
The current positional information of described mobile terminal is obtained according to described system message.
5. the method for searching network of the mobile terminal as described in claim 3 or 4, is characterized in that, the described described positional information according to obtaining is determined to need the step of the frequency of search to comprise:
According to the frequency table that described place information inquiry mobile terminal prestores, wherein, described frequency table comprises the mapping relations of the frequency of positional information and needs search;
The described frequency needing search is determined according to described mapping relations.
6. mobile terminal search a net arrangement, it is characterized in that, the net arrangement of searching of described mobile terminal comprises:
Acquisition module, for obtaining the current positional information of mobile terminal;
Determination module, for determining the frequency needing search according to the described positional information obtained;
Search net module, for carrying out searching net process successively according to the described frequency obtained, until find can be resident frequency.
7. mobile terminal as claimed in claim 6 search net arrangement, it is characterized in that, described acquisition module is also for reading the band of position configuration information that mobile terminal prestores, wherein, described band of position configuration information comprises the band of position that mobile terminal allows to use and the frequency allowing the needs search existed in the band of position of use;
Described determination module, also for obtaining the described frequency needing search according to described band of position configuration information.
8. mobile terminal as claimed in claim 6 search net arrangement, it is characterized in that, described acquisition module also for starting the locating module of mobile terminal, and obtains the current positional information of described mobile terminal by described locating module.
9. mobile terminal as claimed in claim 6 search net arrangement, it is characterized in that, described acquisition module comprises:
Scanning element, for scanning the available frequency in active wireless network environment;
Lock cell, for after scanning described available frequency, locks described available frequency, and obtains the system message of described available community, frequency place;
Acquiring unit, for obtaining the current positional information of described mobile terminal according to described system message.
10. as claimed in claim 8 or 9 mobile terminal search net arrangement, it is characterized in that, described determination module comprises:
Query unit, for the frequency table prestored according to described place information inquiry mobile terminal, wherein, described frequency table comprises the mapping relations of the frequency of positional information and needs search;
Determining unit, for determining the described frequency breath needing search according to described mapping relations.
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