The local system searching installation of portable terminal device and method
Technical field
The local system search registration that the present invention relates to for the local service of portable terminal device to carry out rapidly particularly relates to and a kind ofly utilizes quick pattern to carry out local system search and location registers rapidly, the local system searching installation and the method for the portable terminal device of local service are provided.
Background technology
Mobile communication system is to utilize the limited wireless frequency resource, the system that makes a plurality of portable terminal devices take radio communication channel simultaneously and communicate, distribute and occupation mode according to above-mentioned wireless frequency, be divided into code division multiple access and global system for mobile communications (GSM) mode substantially.
Above-mentioned global system for mobile communications (GSM:GLOBAL SYSTEM FOR MOBILE COMMUNICATION) mode, mobile communication system is used set frequency resource in time division multiple access (TDMA:TIME DIVISION MULTIPLE ACCESS) mode, it is the respective channel that makes a plurality of networking users (SUBSCRIBER) or portable terminal device occupy distribution simultaneously, when moving, communicate digital form, simultaneously, it also is to be the standard mode of the mobile communication system that grows up of center with (EUROPE) area, Europe.
In Europe, owing to all use GSM mode mobile communication system,, can use the portable terminal device of same mode so which country no matter goes, by roaming (ROAMING) service, move or whilst on tour can utilize the portable terminal device of original use to obtain the mobile communication service in other country.
When inconvenience is carried above-mentioned portable terminal device and moved, take off and carry Subscriber Identity Module (SIM:SUBSCRIBER IDENTITY MODULE) and go to the destination travelling or move.Wherein, Subscriber Identity Module is made of nonvolatile memories such as volatile storages, is easy to plug, records network users mobile communication telephone number, mobile communication telephone number, identity information, the use information etc. of including.
At the above-mentioned corresponding area that moves or travel, lease portable terminal device separately, after installation connects above-mentioned SIM card of carrying, just can serve the service of acquisition mobile communication by roaming (ROAMING) immediately.
Mobile communication system need confirm to follow the tracks of the current location of the portable terminal device that moves all the time, above-mentioned portable terminal device is in opening the initialization procedure of working power (SWITCH ON) when powering, need register to mobile communication corresponding operator to current location, after in above-mentioned initialization procedure, having carried out location registers (LOCATIONREGISTRATION), carry out location registers with given time unit period ground.
Generally speaking, mobile communication service provider or mobile communication system form service area to a country, sometimes, may have a plurality of service provider in the country, sign a contract separately between the service provider of use GSM mode, roaming service (ROAMING SERVICE) is provided.
The mobile communication system of above-mentioned portable terminal device networking registration is called this locality (HOME) system, providing the system of mobile communication roaming service to call roaming system according to the roaming service contract.
In said GSM mode mobile communication system, used the standard specification TS 23.122 of the location registers that is used for the regulation portable terminal device, according to above-mentioned standard specification, portable terminal device is at first searched for final register system, as do not search above-mentioned final register system, then search for local system, if do not search above-mentioned local system, all mobile communication system that constitute in the search system catalogue (LIST) successively then.
When above-mentioned portable terminal device is positioned at the service area of local system, can obtains and use all services that local system provides, but in the service area of roaming system, can only obtain limited services such as voice communication, but also need additional payment roaming service expense.
Therefore need a kind of technology of exploitation, when being positioned at the local service area, carry out location registers to local system rapidly, the local service that the acquisition expense is cheap with the above-mentioned portable terminal device of box lunch.
The local system way of search of the portable terminal device of prior art is described with reference to the accompanying drawings.
Fig. 1 is the function constitution map of general mobile communication system, and Fig. 2 is the local system searching method precedence diagram of portable terminal device under the prior art, and they all are used to illustrate prior art.
Below with reference to above-mentioned shown in Figure 1, general mobile communication system is described.Suppose that portable terminal device (UE) 10 has added mobile switching centre (MSC:MOBILE SWITCHING CENTER) 40 and registers, in the service area (SERVICE AREA) 30 that the base station (RAN:RADIO ACCESS NETWORK) 20 that is subjected to above-mentioned mobile switching centre (MSC) 40 controls forms, one side moves freely, and one side obtains the mobile communication service by local service (HOME SERVICE).
The mobile communication system 50 that above-mentioned portable terminal device 10 is added registration calls local system 50, and these parts are the parts that are subjected to mobile switching centre (MSC) 40 controls and monitor, manage that comprise above-mentioned base station (RAN) 20.
When above-mentioned portable terminal device 10 to neighboring countries or other countries' whilst on tour of GSM mode mobile communication service is provided, for example, when service area 31 that the base station 21 that moves to the control that is subjected to mobile switching centre 41 and supervision forms, obtain the mobile communication service by roaming service (ROAMING SERVICE).
The mobile communication system 51 that above-mentioned roaming service is provided is called roaming (ROAMING) system, and roaming base station 21 forms roaming service area 31 in the control of roaming mobile switching centre 41 with under monitoring.
When above-mentioned portable terminal device 10 moves to service area 32 when carrying out location registers, mobile switching centre 42 is roaming mobile switching centres 42, and base station 22 is roaming base stations 22, forms roaming system 52.
As mentioned above, portable terminal device 10 moves or whilst on tour, for the roaming system from current location obtains roaming service, need carry out location registers, providing the system of roaming service to call register system according to above-mentioned location registers.
For example, if above-mentioned portable terminal device 10 carries out location registers by local system 50, obtain the mobile communication service, so, above-mentioned local system 50 promptly is a local system, also is register system simultaneously.Again for example, when in roaming mobile communication system 51, carrying out location registers, when obtaining roaming service, 51 of above-mentioned roaming systems are register systems, and when carry out location registers in roaming system 52, when obtaining roaming service, 52 of above-mentioned roaming systems are register systems.
Above-mentioned portable terminal device 10 finally is connected with the local system of the registration that networks, and the register system information of registering is saved in the SIM card line output of going forward side by side.
Above-mentioned portable terminal device 10 carries out initialization when opening working power and power, in above-mentioned initialization procedure, the strongest mobile communication system of search received signal intensity is carried out relevant position registration (LOCATIONREGISTRATION).
Above-mentioned portable terminal device 10 has carried out under the state of location registers in mobile communication system, obtain the mobile communication service by local service or roaming service, all services that local service can using system provides, the service of roaming service is limited, and the additional collection roaming charges, there is the problem of usage charges costliness.
Below with reference to above-mentioned accompanying drawing 2, the local system searching method of the portable terminal device of prior art is described.
In the time will utilizing above-mentioned portable terminal device 10 to obtain mobile communication service desired position registration (LOCATIONREGISTRATION) (step S10), judge whether to carry out location registers (step S20) with automatic mode.In automatic mode determining step S20,,, in the system that searches, in the system of received signal intensity maximum, carry out location registers (step S30) according to the system of set sequential search periphery when being judged as when carrying out location registers with automatic mode.
Both definite sequences of above-mentioned search perimeter systems are, at first search for local system, when not searching, the system of the last registration of search, if in above-mentioned search, do not search system, then catalogue is made by all systems that receive signal from periphery, big system begins connected system successively from signal strength signal intensity, the request location registers.
After finishing system registration with above-mentioned automatic mode,, then return the 2nd step S20, carry out the automatic mode step repeatedly if arrive the cycle (step S40) that is provided with.
In above-mentioned automatic mode determining step S20, when not carrying out location registers, judge whether to have imported the corresponding command signal (step S50) with the manual mode search with automatic mode.If above-mentioned determining step S50 has imported the manual search command signal,,, in the system that searches, in the system of received signal intensity maximum, carry out location registers (step S60) from peripheral search system then according to above-mentioned both definite sequences.
As above there are the following problems for the prior art of Gou Chenging, that is, and and when using with automatic mode, with the cycle unit that is provided with, according to set sequential search local system, even when being in the local service area that generates by local system, before arriving set cycle time, can't be connected to local system.
Also there are the following problems in addition,, even arrived above-mentioned both fixed cycles, when temporarily having moved to roaming service area in the time at the search local system, then gets back to the local service area again that is, also can't be connected to local system in this case.
Also there are the following problems in addition,, when using with manual mode, keeps the connection status of the system of manual search and connection that is, before manual search again, can't carry out systematic search.
Summary of the invention
The object of the present invention is to provide a kind of local system searching installation and method of portable terminal device, in portable terminal device, specify particular key, search for local system rapidly, carry out location registers, utilize the time thereby increase local service in the time of needs.
For achieving the above object, the present invention proposes a kind of local system searching installation of portable terminal device, and one has control part in portable terminal device, and this control part is analyzed the command signal that inserts from button portion, is used to carry out location registers, uses the mobile communication service.Described control part utilizes the application program of memory section, if selected quick pattern, then the peripheral base station signal that radio section is received is analyzed, and search connects the local system that writes down in the SIM portion, carries out location registers; If selected automatic mode, every the cycle that timer portion is provided with, the registrable system of search carries out location registers from the peripheral base station signal; If selected manual mode, when the request search, the registrable system of search carries out location registers from the peripheral base station signal.
The present invention also proposes a kind of local system searching installation of portable terminal device, comprise following several sections: radio section, it is according to corresponding control, and wireless receiving comprises the base station signal of all mobile communication system of periphery of local system and the roaming system line output of going forward side by side; Control part is connected to above-mentioned radio section, according to command signal, searches for local system, or searches for attachable system according to automatic mode and manual mode, carries out location registers; SIM portion is connected to above-mentioned control part, comprises local system information and automatic mode cycle time, and intrinsic number of recorded and stored portable terminal device and sequence number, mobile communication are used information and output; Timer portion is connected to above-mentioned control part, according to control, the time that is provided with is counted and exports; Button portion, it is connected to above-mentioned control part, and input is used to control the quick pattern of search registration local system and the command signal of carrying out the systematic search registration according to automatic mode, manual mode.
Described device also comprises a memory section: memory section is connected to described control part, recorded and stored the program line output of going forward side by side of control following steps, promptly, if imported the shortcut signal that the search registration of local system is carried out in order, then the series of steps of searching for local system and registering from periphery rapidly; Utilize automatic mode and manual mode, from peripheral search system and the series of steps registered.
Described SIM portion comprises that in assigned region recorded and stored and output the mobile communication system that the timer of system information, the automatic mode of intrinsic telephone number, Electronic Serial Number, subscriber identity information, local system information, the location registers of portable terminal device is provided with information cycle time uses information under the control of described control part.
Described radio section under the control of described control part, from peripheral base station systematic search local system, when not searching the base station signal of local system, the signal and the output of all base station systems that wireless receiving can receive from periphery.
The options button of described control part button portion is set to local system search shortcut, control, supervision, management following steps: if imported command signal from shortcut, then control radio section, reception is positioned at the base station signal of periphery, compare with the local system information that writes down in the SIM portion, judge whether to search local system; If insert the order of carrying out the systematic search registration with automatic mode from button portion, then the timer according to SIM portion is provided with cycle time, by set sequential search perimeter systems, carries out location registers; If insert the order of carrying out the systematic search registration with manual mode, so, when the inputted search order,, carry out location registers by set sequential search perimeter systems from button portion.
The present invention also proposes a kind of local system searching method of portable terminal device, carry out following steps with a series of orders: when portable terminal device serves as when using the mobile communication service to carry out location registers, if selected quick pattern, then the base station signal that receives from periphery, search for local system, carry out location registers; If selected automatic mode, then press both fixed cycle driving timers, location registers is carried out in registrable system of search and connection the base station signal that receives from periphery, carries out above-mentioned steps repeatedly with the cycle unit that is provided with in the timer; If selected manual mode, then when having imported search command, location registers is carried out in registrable system of search and connection the base station signal that receives from periphery.
The local system searching method of another kind of portable terminal device of the present invention comprises following several steps: the beginning step, when carrying out location registers, confirm whether search for quick pattern for the communication service of portable terminal device; The local service step, confirming the result when above-mentioned beginning step is during with quick pattern search, receives the system signal of periphery, the search local system connects the best base station of receiving intensity and registers; Select step, confirm the result when above-mentioned beginning step and when searching for local system, judge whether to carry out systematic search with automatic mode with shortcut; Automatically step when above-mentioned selection step judged result is when search for automatic mode, then drives timer portion, according to the system and the connection of set sequential search periphery, carries out location registers; The timing step has been carried out in system after the location registers in above-mentioned automatic step, confirms the gate time of timer portion, after arriving the cycle time that is provided with, returns above-mentioned beginning step.
Method of the present invention also comprises manual step, when described selection step does not search system with automatic mode, judges whether to have imported the order with the manual mode search;
Register step when if described manual step judged result is input with the order of manual mode search, then receives the perimeter systems signal line search of going forward side by side by both definite sequences, is connected to the base station of selection, carries out location registers.
Described beginning step comprises following several steps:
Judge whether described mobile communication portable terminal device is to use the mobile communication service to carry out the step of location registers;
If judge and assert the location registers that is intended to obtain the mobile communication service, then judge whether step with quick pattern search local system.
Described local service step comprises following several steps:
When being judged as when searching for the step of the wireless signal of all peripheral base stations of wireless receiving in the described beginning step with quick pattern;
The base station signal that receives is analyzed, judged whether to search local system,, then enter the step of selecting step if do not search;
If judged result is when searching local system from the peripheral base station wireless signal, then be wirelessly connected to the best local system base station of receiving intensity, be intended to obtain the step of the location registers of mobile communication service.
Described automatic step comprises following several steps:
When being judged as in the described selection step is during with automatic mode search local system, then drives timer portion, the step that the time that is provided with is counted;
Portable terminal device from the system signal that periphery receives, is wirelessly connected to the selection of base stations of local system or the selection of base stations of roaming system by set sequential search, is intended to obtain the step of the location registers of mobile communication service.
Beneficial effect of the present invention is, the quick mode key that uses button portion to have confirms whether search local system from current surrounding enviroment rapidly, if search local system, then carries out location registers, thereby can promptly use local service.
The present invention also has following industrial result of use, promptly, the button that in the button portion of portable terminal device, distributes quick pattern, if select to have imported above-mentioned button, then promptly the base station information that receives from periphery is analyzed, the search local system carries out location registers, therefore can provide local service immediately.
In addition, the present invention also has the convenient effect in the following use, promptly, if insert quick pattern control command signal, then search for local system immediately, carry out location registers, thereby can facilitate, cheap local service the reliability that the raising system uses rapidly.
Description of drawings
Fig. 1 is the function constitution map of general mobile communication system;
Fig. 2 is the local system searching method precedence diagram of portable terminal device under the prior art;
Fig. 3 is the local system searching installation function constitution map of portable terminal device of the present invention;
Fig. 4 is the local system searching method precedence diagram of portable terminal device of the present invention;
Fig. 5 is that the button portion shortcut of portable terminal device of the present invention distributes key diagram.
The symbol description of accompanying drawing major part:
100: radio section 110: control part
120: memory section 130: button portion
140: 150:SIM portion of timer portion
Embodiment
The local system searching installation and the method for portable terminal device of the present invention are described with reference to the accompanying drawings.
Fig. 3 is the local system searching installation function constitution map of portable terminal device of the present invention, Fig. 4 is the local system searching method precedence diagram of portable terminal device of the present invention, Fig. 5 is that the button portion shortcut of an embodiment of portable terminal device of the present invention distributes key diagram, and they all are used to illustrate the present invention.
With reference to as above-mentioned Fig. 3, the local system searching installation of portable terminal device of the present invention is described.One has control part 110 in mobile portable terminal device, and 110 pairs of command signals that insert from button portion 130 of control part are analyzed, and control part 110 is used to carry out location registers, uses the mobile communication service.Described control part utilizes the application program of memory section 120 to carry out following series of steps: if selected quick pattern, then the peripheral base station signal that radio section 100 is received is analyzed, the local system that search connects record in the SIM portion 150 carries out location registers; If selected automatic mode, every the cycle that timer portion 140 is provided with, the registrable system of search carries out location registers from the peripheral base station signal; If selected manual mode, when the request search, the registrable system of search carries out location registers from the peripheral base station signal.
As above the local system searching installation of the portable terminal device of the present invention of Gou Chenging is made of radio section 100, control part 110, memory section 120, button portion 130, timer portion 140, SIM portion 150.Wherein, radio section 100 is used for according to corresponding control, and wireless receiving comprises the base station signal of all mobile communication system of periphery of this locality (HOME) system and roaming (ROAMING) the system line output of going forward side by side.Radio section 100 is searched for local system from the peripheral base station system under the control of control part 110, when not searching the base station signal of local system, from the signal and the output of receivable all base station systems of peripheral wireless receiving.
Control part 110 is connected to above-mentioned radio section 100, according to command signal, searches for local system, or searches for attachable system according to automatic mode and manual mode, carries out location registers.The options button of control part 110 button portions 130 is set to local system search shortcut, control, monitor, manage following series of steps: if imported command signal from shortcut, then control radio section 100, reception is positioned at the base station signal of periphery, compare with the local system information that writes down in the SIM portion, judge whether to search local system; If insert the order of carrying out the systematic search registration with automatic mode from button portion 130, then the timer according to SIM portion 150 is provided with cycle time, by set sequential search perimeter systems, carries out location registers; If insert the order of carrying out the systematic search registration with manual mode, so, when the search command of input,, carry out location registers by set sequential search perimeter systems from button portion 130.
Memory section 120 is connected to above-mentioned control part 110, recorded and stored the program line output of going forward side by side of control following steps, that is, if imported the shortcut signal that the search registration of local system is carried out in order, the then series of steps of searching for local system and registering from periphery rapidly; Utilize automatic mode and manual mode, from peripheral search system and the series of steps registered.
Button portion 130 is connected to above-mentioned control part 110, is used to import control local system is searched for the quick pattern of registration and the command signal of carrying out the systematic search registration with automatic mode and manual mode.
Timer portion 140 is connected to above-mentioned control part 110, according to control the time that is provided with is counted and exports.
SIM portion 150 is used to be connected to above-mentioned control part 110, comprises local system information and automatic mode cycle time, and the intrinsic number of recorded and stored portable terminal device and sequence number, mobile communication are used information and output.SIM portion 150 is under the control of control part 110, intrinsic telephone number, Electronic Serial Number and the subscriber identity information, local system information, the system information of location registers and the timer of automatic mode that comprise portable terminal device are provided with information cycle time, use mobile communication system the information recorded and stored in the assigned region line output of going forward side by side.
With reference to the accompanying drawings, describe the local system searching installation of the portable terminal device of the present invention that as above constitutes in detail.
The system of above-mentioned mobile communication portable terminal device networking registration is called local system,, can use all mobile communication services that provide with regular fee at the service area that above-mentioned local system forms.
The do not network registration or provide the system of roaming service to call roaming system of above-mentioned portable terminal device, roaming charges (ROAMING CHARGE) are appended in above-mentioned roaming service, and all mobile communication service that provides can't be provided.
Therefore, in the service area that can connect local system, carry out location registers at local system, obtain local service, this is favourable to user and Service Operation commercial city, when being that technology of the present invention can realize rapid connection in the time of can connecting local system regional.
After connecting working power, the control part 110 of above-mentioned portable terminal device reads application program and search local system go forward side by side program, the data of line position registration from memory section 120, enters the use holding state, monitors each function portion.
Above-mentioned portable terminal device should carry out location registers (LOCATION REGISTRATION) in order to obtain the mobile communication service in local system or roaming system.For above-mentioned location registers, have dual mode: a kind of is quick pattern and the manual mode that upgrades (UPDATE) according to the command signal that inserts from button portion 130; Also having a kind of is to be provided with according to the order that inserts from above-mentioned button portion 130, the automatic mode that upgrades with the cycle time unit of timer portion 140 countings (COUNT).
That is, above-mentioned control part 110 monitors button portion 130, and being judged as the command signal of carrying out location registers and inserting is quick pattern, automatic mode or manual mode.
Above-mentioned button portion 130 can be in a plurality of keys that have, and selected particular key makes it to import quick mode command signal.As above-mentioned shown in Figure 5, can specify " * " key or " # " key, or to specify " HUTCH " key, above-mentioned " HUTCH " be the function key of WAP (the WIRELESS APPLICATION PROTOCOL) control that is used to utilize portable terminal device wireless connections the Internet (INTERNET).
The specified button of above-mentioned button portion 130 had been assigned order originally, so detect longly by state (LONG KEY DETECTION), it had been considered as importing the corresponding command signal that is used for location registers.
For example, respective keys input in the above-mentioned button of the control part 110 perception portion 130 is also analyzed, when being judged as quick pattern, above-mentioned control part 110 activates radio section 100, wireless receiving is from the signal of all base stations in mobile communication system of periphery reception, read the information of the local system of recorded and stored in the above-mentioned SIM portion 150 and compare, confirm whether to have received the base station signal of local system.
If above-mentioned control part 110 searches the base station signal of local system, then carry out wireless connections, intrinsic telephone number (ID), the Electronic Serial Number use information wireless such as (ESN) of the portable terminal device of recorded and stored in the above-mentioned SIM portion 150 are sent to the base station, carry out location registers.When searching a plurality of local system signal of base station, be wirelessly connected to the base station of received signal intensity maximum, carry out as above location registers, thereby obtain local service.
But, when not searching local system under above-mentioned quick pattern, above-mentioned control part 110 is converted to automatic mode, drives timer portion, activate radio section repeatedly by the set cycle time unit that is provided with, wireless receiving is from whole signals of the mobile communication base station of periphery.Press the set sequential search that local system, the system of once registering, roaming system etc. are provided with, be connected to the system of above-mentioned search, carry out location registers, thereby can use the mobile communication service.
That is, under above-mentioned quick pattern, only search for local system,,, finish step until location registers then according to a series of orders if search local system.Under above-mentioned automatic mode, be wirelessly connected to local system or roaming system or the best base station of signal strength signal intensity from the system that periphery searches, carry out location registers, the time cycle that above-mentioned location registers is provided with in timer portion 140 upgrades repeatedly.
For example, if be set to 6 minutes the cycle time of above-mentioned timer portion 140, so, under above-mentioned automatic mode, be that local system is searched for by unit with 6 minutes, when not searching local system, location registers is carried out in the base station of the roaming system that search signal intensity is best.
Above-mentioned automatic mode can just be set to automatic mode from the beginning by input at the key that above-mentioned button portion 130 distributes.
In another embodiment, import the key that is assigned as manual mode in the above-mentioned button portion 130, after above-mentioned control part 110 perceives this situation, have only when having imported above-mentioned manual mode key, above-mentioned control part 110 is just searched for local system, when not searching local system, and the base station of the roaming system that search signal intensity is best, carry out location registers, finish then.
That is, under manual mode, have only ability search system when having imported command signal, carry out location registers by correspondent button, therefore, the mobile communication service of the system of registration before can continuing to use.
Therefore, the invention described above is to use quick pattern, searches for the service area of local system immediately in the time of needs, if search above-mentioned local system, then carries out location registers rapidly, accepts local service.So advantage is all mobile communication services that the user can use to be provided with regular fee.
The present invention also has following advantage in addition,, when utilizing above-mentioned quick pattern not search local system, is converted to automatic mode that is, searches for local system repeatedly with the cycle time unit that is provided with in the timer portion 140, carries out location registers.
Below with reference to Fig. 4, the local system searching method of portable terminal device of the present invention is described.
This method is carried out following steps: when portable terminal device carries out location registers for using the mobile communication service, if selected quick pattern, then search for local system the base station signal that receives from periphery, carry out location registers; If selected automatic mode, then press both fixed cycle driving timers, location registers is carried out in registrable system of search and connection the base station signal that receives from periphery, carries out above-mentioned steps repeatedly with the cycle unit that is provided with in the timer; If selected manual mode, then when having imported search command, location registers is carried out in registrable system of search and connection the base station signal that receives from periphery.
The local system searching method of the portable terminal device of the invention described above is made of beginning step, local service step, selection step S150, automatic step, timing step S180, manual step S190, register step S200.Wherein, whether the beginning step is when carrying out location registers for the communication service that obtains portable terminal device, to confirm with quick pattern search.The beginning step specifically comprises following several steps: judge whether portable terminal device is to use the mobile communication service to carry out the step S100 of location registers; Assert the location registers that is intended to obtain the mobile communication service if above-mentioned steps S100 judges, then judge whether step S110 with quick pattern search local system.
The local service step is, judges when above-mentioned beginning step and assert when searching for quick pattern, receives the system signal of periphery, the search local system, and register good local system base station to be connected to receiving intensity.The local service step specifically comprises following several steps: when searching for quick pattern, and the step S120 of the wireless signal of all peripheral base stations of wireless receiving; The base station signal that above-mentioned steps S120 receives is analyzed, judged whether to search local system,, then enter the step S130 that selects step if do not search; If above-mentioned steps S130 searches local system from the peripheral base station wireless signal, then be wirelessly connected to the best local system base station of receiving intensity, be intended to obtain the step S140 of the location registers of mobile communication service.
Select step S150 to be, confirm the result when above-mentioned beginning step and when searching for local system, judge whether with the automatic mode search system with quick way of search.
Automatically step is, when above-mentioned selection step S150 is when search for automatic mode, drives timer portion, by set sequential search and connect peripheral system, carries out location registers.Automatically step specifically comprises following several steps: drive timer portion, the step S160 that the time that is provided with is counted; The portable terminal device of above-mentioned steps S160 from the system signal that periphery receives, is wirelessly connected to the selection of base stations of local system or the selection of base stations of roaming system by set sequential search, is intended to obtain the step S170 of the location registers of mobile communication service.
Timing step S180 is, in above-mentioned automatic step, in system, carried out the location registers of portable terminal device after, confirm the gate time of timer portion, if arrived the cycle time that is provided with, then return beginning step S110.
Manual step S190 is, is not during with the automatic mode search system when above-mentioned selection step S150 confirms the result, judges whether to have imported the order with the manual mode search.
Register step S200 is, assert the order of having imported with the manual mode search if above-mentioned manual step S190 judges, then by both definite sequences, receives also search perimeter systems signal, is connected to the base station of selection, carries out location registers.
With reference to the accompanying drawings, describe the local system searching method of the portable terminal device of the present invention that as above constitutes in detail.
The control part 110 of above-mentioned portable terminal device is in order to use the mobile communication service, need carry out location registers, therefore, when the firm access of working power, be set to carry out the required state of location registers (step S100), judge whether quick pattern (step S110) to be set for above-mentioned location registers.
When above-mentioned judgement (step S110) result is when being set to quick pattern, above-mentioned control part 110 activates radio section, all mobile communication base station signals (step S120) that reception receives from periphery, read the local system information of record in the above-mentioned SIM portion 150, compare with the base station information of above-mentioned reception, judge whether to search local system (step S130).
If above-mentioned judgement (step S130) result searches local system, then be wirelessly connected to corresponding base station, the content of record in the above-mentioned SIM of the wireless transmission portion 150, promptly, transmission comprises the intrinsic telephone number (ID) of distributing to portable terminal device and the use information of Electronic Serial Number (ESN), carries out location registers (step S140).
When above-mentioned judgement (step S130) identification does not search local system and when above-mentioned beginning step (step S110) judges that identification is not provided with quick pattern, above-mentioned control part 110 judges whether to be provided with automatic mode (step S150).
If above-mentioned judgement (step S150) result is provided with automatic mode, then under the control of above-mentioned control part 110, activate timer portion 140, the set time to setting is counted (step S160), the base station information that the above-mentioned radio section that is activated 100 receives from periphery according to set sequential search.
Above-mentioned both definite sequences are the orders of recorded and stored in the SIM portion 150, promptly, according to the local system of portable terminal device networking registration and the sequential searches such as system of once registering recently, when above-mentioned not searching, be connected to the best system of received signal intensity, that is, be connected to roaming system, the intrinsic telephone number (ID) of wireless transmission portable terminal device, Electronic Serial Number use information such as (ESN) are carried out location registers (step S170).
In above-mentioned steps S170, control part has judged whether to arrive the set cycle time (step S180) that timer portion 140 is provided with, if arrived above-mentioned cycle time, then returns above-mentioned beginning step S110, carries out above-mentioned selection step S150 repeatedly.
When among the above-mentioned selection step S150 automatic mode not being set,, judge then whether button portion 130 has imported the command signal (step S190) that control is searched for the manual mode of above-mentioned setting if be arranged to manual mode.If assert, above-mentioned judgement (step S190) result imported the command signal that requirement is searched for manual mode, then utilize the radio section 100 that is activated, according to as above both definite sequence the signal that receives from periphery is analyzed and is searched for, carry out location registers (step S200).
Promptly, in the present invention of above-mentioned formation, carry out in the step of location registers for obtaining the mobile communication service at portable terminal device, if imported the command signal of registering with quick pattern, then the base station signal that receives from current periphery is analyzed, judge whether to search local system,, then in local system, carry out location registers rapidly if searched local system; When not searching local system, enter automatic mode when above-mentioned.
Under above-mentioned automatic mode, search for the local system signal of base station that judges whether to have received from periphery with the given time cycle unit that timer portion 140 is provided with, upgrade location registers in the base station of signal strength signal intensity maximum, obtain the mobile communication service.And under above-mentioned manual mode, when having only the search command of access, just upgrade the registration of base station, obtain the mobile communication service.
Therefore, the invention described above has following advantage, promptly, the quick mode key that uses button portion to have confirms whether search local system from current surrounding enviroment rapidly, if search local system, then carry out location registers, thereby can promptly use local service.
In sum, the present invention has following industrial result of use, promptly, the button that in the button portion of portable terminal device, distributes quick pattern, if select to have imported above-mentioned button, then promptly the base station information that receives from periphery is analyzed the search local system, carry out location registers, therefore can provide local service immediately.
In addition, the present invention also has the convenient effect in the following use, promptly, if insert quick pattern control command signal, then search for local system immediately, carry out location registers, thereby can facilitate, cheap local service the reliability that the raising system uses rapidly.
Above embodiment only is used to illustrate the present invention, but not is used to limit the present invention.