CN2792031Y

CN2792031Y - Dual-mode mobile terminal

Info

Publication number: CN2792031Y
Application number: CNU2005201225032U
Authority: CN
Inventors: 许奕波; 刘碧波
Original assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Current assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Priority date: 2005-09-20
Filing date: 2005-09-20
Publication date: 2006-06-28
Anticipated expiration: 2015-09-20

Abstract

A dual-mode mobile terminal comprises a master, a control unit, a display unit, an electric microphone, a loud-speaker and a switch combination; further more, it comprises two communication modules and antennas connected with the communication modules respectively; the control unit controls the communication of the communication module; the switch combination receives the control signal from the control unit; the microphone and loudspeaker are connected to one of the two communication modules. User can receive a call from the GSM network and the CDMA network, and even if receiving the calls from the CDMA network and the GSM network at the same time, the user can respond to the two calls to fulfill communication.

Description

A kind of mode mobile terminal

Technical field

The utility model relates to a kind of portable terminal, particularly relates to a kind of mode mobile terminal.

Background technology

The present domestic two kinds of mobile communications networks that mainly contain, global system for mobile communications (Global System forMobile, GSM) and code division multiple access (two kinds of networks respectively have superiority at aspects such as business, rate, coverages for Code Division Multiple Access, CDMA) system.Use at the same time in the area of GSM and cdma system,, just need to support the terminal of cdma system if the user wishes to receive the CDMA service; If the user wishes to receive the GSM service, then need to support the terminal of gsm system; When the user need have the service of two networks simultaneously, generally speaking, realize using two networks, just need to use two portable terminals, this carry and use aspect all make troubles.

Fig. 1 is the structural representation of prior art mode mobile terminal.This mode mobile terminal 100 comprises antenna 10, controller 40, CDMA circuit 20, GSM circuit 30 and an electric power management circuit (figure do not show), wherein this GSM circuit 30 and CDMA circuit 20 common antenna 10, the integrated operation of controller 40 control GSM circuit 30 and CDMA circuit 20.GSM circuit 30 and CDMA circuit 20 comprise independently radio frequency and baseband circuit respectively, and the components and parts of radio frequency and baseband circuit are combined on the mainboard (figure does not show).

This mode mobile terminal 100 adopts GSM circuit 30 and CDMA circuit 20 shared strip antennas 10, because of the use frequency range of gsm system and cdma system very approaching, for aspiring for stability, the bandwidth of antenna 10 can not be very narrow, so, the isolation between two systems is very little, when the high-power emission of circuit of a system, the receiving circuit of another network is with cisco unity malfunction, and on an antenna, to comprise GSM900, GSM1800, GSM1900, CDMA800, these frequency ranges of CDMA1900 have big difficulty.Therefore this mode mobile terminal 100 is only to select a kind of communicating from GSM and cdma system, can not select two kinds of networks to communicate simultaneously, that is to say that this mode mobile terminal 100 does not have mode switch function when holding state, the user can't freely select communication pattern.

Existing mode mobile terminal 100 is that the components and parts of the radio frequency of GSM circuit 30 and CDMA circuit 20 and baseband circuit are combined on the mainboard, and two-part isolation is not enough, and the meeting phase of working simultaneously mutual interference influences the proper communication of two systems.Therefore can not realize the free handoff functionality of two kinds of communication patterns under the holding state.

In addition, the GSM circuit 30 of this mode mobile terminal 100 and CDMA circuit 20 shared control units 40 carry out control and treatment, and this controller 40 also needs to take into account demonstration in addition, functions such as input, when if GSM and cdma system are worked simultaneously, will cause processing speed slower, influence the performance of terminal.

Further, this mode mobile terminal 100 only adopts a cover electric power management circuit, and when GSM circuit 30 and CDMA circuit 20 were worked simultaneously, the current capacity problems such as mutual interference mutually not enough and by power supply that have device occurred.

Based on above reason, prior art mode mobile terminal 100 to select a kind of communicating from gsm system and cdma system, can not select two kinds of systems to communicate only simultaneously.Further, when the user selects a kind of communication network to communicate by this mode mobile terminal 100, if the call request from another network is arranged, this mode mobile terminal will be refused to set up to call out and connect, therefore the called subscriber may lose important incoming information, and this has also limited the application of dual-mode handset significantly.

The utility model content

The technical problems to be solved in the utility model provides a kind of mode mobile terminal that can select two kinds of different communication networks to communicate simultaneously.

The technical scheme of the utility model technical solution problem is: a kind of mode mobile terminal, comprise mainboard, control unit, display unit, microphone, loud speaker and a switch combination, further comprise two communication modules and the antenna that is connected with described communication module respectively, described control unit is controlled the communication of described communication module, described switch combination receives the control signal from described control unit, and described microphone and loud speaker are connected on one of them of two communication modules.

Wherein, a strip antenna is a vertical polarized antenna, and an other strip antenna is a horizontally-polarized antenna.

Wherein, an antenna adopts+45 ° of polarization, and another antenna adopts-45 ° of polarization.

Wherein, described two antennas are arranged at the top and the bottom of this mode mobile terminal respectively.

Wherein, independent fully between described two communication modules, shielding is separately arranged, link to each other with mainboard by a connector.

Wherein, described two communication modules comprise a CPU and a power management respectively, and described CPU controls the communication of the communication module at place respectively.

Wherein, described CPU controls the communication module at place by the AT instruction that receives described control unit.

Wherein, described communication module is gsm module and CDMA module.

Wherein, described gsm module further comprises first modulator-demodulator, and described CDMA module further comprises second modem, and described switch combination is connected with second modem with described first modulator-demodulator.

Wherein, described switch combination comprises first switch and second switch, and wherein first switch is used for switch microphone between first modulator-demodulator and second modem; Second switch is used for switching loud speaker between first modulator-demodulator and second modem.

Wherein, when the gsm module ongoing communication, when the CDMA module had call request, described control unit was notified the user this call request.

Wherein, control unit can be notified the user by modes such as voice, vibration or interface prompts.

Wherein, the user can select switch call, terminated call or cancellation call operation.

Wherein, further comprise " switch call " key, " terminated call " key and " cancellation is called out " key, correspond respectively to switch call, terminated call and cancellation call operation.

Wherein, show that on described display unit " switch call ", " terminated call " reach " cancellation is called out " option, the user can select corresponding option to carry out corresponding operation.

Wherein, the user selects corresponding option to carry out corresponding operation by keyboard.

Wherein, the user carries out corresponding operation by the above option of touch sensitive display unit.

Compared with prior art, the beneficial effects of the utility model are: the utility model mode mobile terminal comprises independently CDMA module and gsm module, and the antenna that is connected with gsm module with the CDMA module respectively, independent fully between two modules, shielding is separately arranged, link to each other with mainboard by connector, strict subregion and shielding are arranged between gsm module and the CDMA module like this, when one of them module in when work, can not cause interference, therefore can guarantee normal simultaneously work between CDMA module and the gsm module the communication of another one module; Gsm module and CDMA module are used antenna separately, so can reduce requirement to antenna, in addition, two antennas adopt the mode of perpendicular polarization and horizontal polarization respectively, because horizontally-polarized antenna can only receive or the emission level polarized wave, vertical polarized antenna can only receive or launch vertically polarized wave, and the antenna of different like this polarization receives or the signal of emission can not produce interference, solve the frequency range isolating problem, thereby guaranteed normally carrying out of communication.Other two antennas lay respectively at the mode mobile terminal both sides, at intervals, can further solve the frequency range isolating problem between two antennas, and a network can not damage the device of another network when work, can not cause interference to the other side yet; Gsm module and CDMA module have CPU separately, add a controller and dispatch functions application such as two modules and processes and displays, input, and this will improve response speed greatly.In addition, gsm module and CDMA module each have independently power management, therefore do not have current capacity problems such as mutual interference mutually not enough and by power supply and occur.Therefore even when from cdma network and GSM network simultaneously during receipt of call, the user also can respond two calling executive communications.

Description of drawings

Fig. 1 is the structural representation of prior art mode mobile terminal;

Fig. 2 is the structured flowchart of the utility model mode mobile terminal first execution mode;

Fig. 3 is the circuit block diagram of mode mobile terminal shown in Figure 2;

Fig. 4 is the structural representation of mode mobile terminal shown in Figure 2;

Fig. 5 is the utility model mode mobile terminal second execution mode structural representation;

Fig. 6 is the utility model mode mobile terminal the 3rd execution mode structural representation.

Embodiment

Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:

Please also refer to Fig. 2 and Fig. 3, the utility model mode mobile terminal 200 comprises CDMA module 2, gsm module 3, controller 4,

antenna

21,31 and display unit 5.This mode mobile terminal 200 further comprises microphone 6, loud speaker 7 and is connected respectively to microphone 6 and the switch 52 of loud speaker 7 and switch 51.Switch 52 and switch 51 are come the control signal of self-controller 4 to control respectively.

Controller 4 is cpu chips, is used to control the integrated operation of CDMA module 2 and gsm module 3.CDMA module 2 and gsm module 3 are independent communication module, and antenna 21 is connected with gsm module 3 with CDMA module 2 respectively with antenna 31.Adopt existing ripe gsm module 3 and CDMA module 2, independent fully between two modules, shielding is separately arranged, link to each other with cell phone mainboard (figure does not show) by connector, strict subregion and shielding are arranged between gsm module 3 and the CDMA module 2 like this, when one of them module in when work, can not cause interference to the communication of another one module, therefore can guarantee normal simultaneously work between CDMA module 2 and the gsm module 3.

Antenna 21 and antenna 31 that gsm module 3 and CDMA module 2 are used separately so can reduce the requirement to antenna 21 and antenna 31, are equivalent to use in a portable terminal GSM antenna and a CDMA antenna.Antenna 21 adopts different polarization modes with antenna 31, and antenna 21 adopts horizontal polarization, and antenna 31 adopts perpendicular polarization; Perhaps, antenna 21 adopts perpendicular polarization, and antenna 31 adopts horizontal polarization.Because horizontally-polarized antenna can only receive or the emission level polarized wave, vertical polarized antenna can only receive or launch vertically polarized wave, the antenna of different like this polarization receives or the signal of emission can not produce interference, has solved the frequency range isolating problem, thereby guarantees normally carrying out of communication.Antenna 21 and antenna 31 lay respectively at the both sides of mode mobile terminal 200 in addition, at intervals, can further solve the frequency range isolating problem between two

antennas

21 and 31, a network is when work, can not damage the device of another network, can not cause interference yet to the other side.Therefore operate as normal simultaneously between gsm module 3 and the CDMA module 2 can not impact the communication of another one module in the time of a module job.

Same antenna 31 and antenna 21 also can adopt ± and 45 ° of polarization isolate, and an antenna adopts+45 ° of polarization, and another antenna adopts-45 ° of polarization, and there is isolation too in two antennas.

CDMA module 2 comprises duplexer 201, receiver 202, transmitter 203, modulator-demodulator 204 and CPU 205, further comprise one independently electric power management circuit 206 be used for providing power supply to CDMA module 2 separately, wherein duplexer 201 is connected with antenna 21.Controller 4 does not directly transmit control signal to CDMA module 2, but by sending the AT instruction to CPU205, is transmitted control signal and carries out power control to CDMA module 2 by CPU 205.

Antenna 21 receives radio signals from the cdma mobile communication network, the signal that is received is input in the duplexer 201 of CDMA module 2, and duplexer 201 outputs to receiver 202 with the signal that is received from antenna 21.When duplexer 201 receives when transmitting from modulator-demodulator 204 through transmitter 203, transmitter 203 modulation are from the data of modulator-demodulator 204 outputs, and send the RF signal with the data of being modulated by duplexer 201 and antenna 21.Receiver 202 is through duplexer 201, receives radio signals and the conversion of signals that is received is become intermediate-freuqncy signal and it is reconciled into data by antenna 21, then it outputed in the modulator-demodulator 204.The audio signal that microphone 6 receives is modulated into radio signal by modulator-demodulator 204 behind switch 52.Modulator-demodulator 204 will be demodulated to audio signal by the radio signal that receiver 202 receives, and through switch 51, by loud speaker 7 outputs.

Gsm module 3 comprises duplexer 301, receiver 302, transmitter 303, modulator-demodulator 304 and a CPU 305, further comprises a power management 306 independently, and wherein antenna 31 is connected with duplexer 301.Controller 4 does not directly transmit control signal to gsm module 3, but by sending the AT instruction to CPU 305, is transmitted control signal and carries out power control to gsm module 3 by CPU 305.

Antenna 31 receives radio signals from the GSM network, and the signal that is received is input in the duplexer 301, and duplexer 301 receives from modulator-demodulator 304 through transmitter 303 and transmits, and will transmit and output to antenna 31.Transmitter 303 modulation are from the data of modulator-demodulator 304 outputs and the RF signal that sends the data of being modulated by duplexer 301 and antenna 31.Receiver 302 receives radio signals by antenna 31, and it is reconciled into data through duplexer 301, then it is outputed in the modulator-demodulator 304.Modulator-demodulator 304 will be through switch 52, and the audio signal that receives by microphone 6 is modulated into radio signal, and will be demodulated to audio signal by the radio signal that receiver 302 receives and pass through loud speaker 7 through switch 51 outputs.

Adopt the mode of independent gsm module 3 and CDMA module 2, then gsm module 3 and CDMA module 2 have separately CPU 305 and CPU 205, add a controller 4 and dispatch functions application such as two modules and processes and displays, input, and this will improve response speed greatly.In addition, use the mode of gsm module 3 and CDMA module 2, each have independently

power management

306 and 206, do not have current capacity problems such as mutual interference mutually not enough and and occur by power supply.

The calling procedure of the utility model mode mobile terminal 200 is described below by concrete example.

When by CDMA module 2 or gsm module 3 receipt of call, controller 4 notifies the user to receive this calling.If the calling that user's response is received, controller 4 send microphone control signal and loud speaker control signal to switch 52 and switch 51 respectively, so that microphone 6 and loud speaker 7 are connected on CDMA module 2 or the gsm module 3.Just, controller 4 is applied on the switch 52 the microphone control signal so that microphone 6 is connected on one of them of modulator-

demodulator

204 and 304; Controller 4 is applied on the switch 51 the loud speaker control signal so that loud speaker 7 is connected on one of them of modulator-

demodulator

204 and 304.

When mode mobile terminal 200 is being carried out with the communicating by letter of GSM network, if terminal 200 receives call request from cdma network, controller 4 can be pointed out the user this call request by modes such as voice suggestion, vibration or interface prompts, and the user can select switch call, terminated call or cancellation call operation.When the user selects the switch call operation, controller 4 control switchs 52 and switch 51, microphone 6 and loud speaker 7 are connected on the modulator-demodulator 204 of CDMA module 2, foundation is communicated by letter with cdma network, the state that this moment, this CDMA called out is the current talking state, and the calling of original GSM network is for calling out hold mode.When with the sign off of cdma network after, controller 4 control switchs 52 and switch 51 reconnect to microphone 6 and loud speaker 7 on the modulator-demodulator 304 of gsm module 3, recover originally and the communicating by letter of GSM network.

When the user selected the terminated call operation, terminal 200 sent end of calling information to the GSM network, finished the calling of current network.Then, controller 4 control switchs 52 and switch 51 are connected to microphone 6 and loud speaker 7 on the modulator-demodulator 204 of CDMA module 2, and foundation is communicated by letter with cdma network.

When the user selected to cancel call operation, terminal 200 sent the call setup failed message to cdma network, continued to carry out communicating by letter of current and GSM network.

In the utility model, terminated call operation that is to say corresponding to finishing current communications status, if currently communicate with the GSM network, when selecting the terminated call operation so, disconnects and being connected with the calling of GSM network; If currently communicate, when selecting the terminated call operation so, just disconnect and being connected with the calling of cdma network with cdma network.

The cancellation call operation is corresponding to the call request of another network of refusal, for example, when communicating, if the CDMA call request is arranged with the GSM network, when selecting the cancellation call operation so, then refuse the call request of this cdma network and continue the communications status that keeps original.

Please refer to Fig. 4, it is the structural representation of the utility model mode mobile terminal 200, wherein display unit 5 is touch-screens, when mode mobile terminal 200 and a network communicate, when other calling network request, show " switch call ", " terminated call " and " cancellation is called out " three options on the display unit 5, the user can select corresponding option to finish corresponding operation by the mode of touch sensitive display unit 5.

Please refer to Fig. 5, it is the structural representation of the utility model mode mobile terminal second execution mode, wherein, 52 is display unit, switch call key 11, end call 12 and cancellation assignment key 13 are set respectively on terminal, finish corresponding switch call, terminated call and cancellation call operation by pushing corresponding key.

Please refer to Fig. 6, is the 3rd execution mode schematic diagram of the utility model mode mobile terminal.One options button (figure does not show) is set on the keyboard 8 at least, when other calling network request, show " switch call ", " terminated call " and " cancellation is called out " three options on the display unit 51, the user can utilize the corresponding operation of corresponding options button selection on the keyboard 8.

In the utility model, the position of antenna 21 and antenna 31 is not limited to shown in Figure 2, can do corresponding adjustment according to situations such as the profile of terminal, structures.

The utility model mode mobile terminal inside, the calling of the corresponding communication network of the communication module of every kind of communication pattern, for calling from different communication network, its employed communication module difference.In addition, under different communication patterns, carry out call out when switching more, do not discharge the Internet resources that each calling takies, just disconnect being connected between every kind of communication module and microphone and the loud speaker when terminal.

The utility model provides with a kind of mode mobile terminal and method of calling thereof, so the user can be from GSM network and cdma network receipt of call, even when from cdma network and GSM network simultaneously during receipt of call, the user also can respond two and call out executive communications.

The above only is a better embodiment of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to and replace or improvement etc., all should be included within the protection range of the present utility model.

Claims

1. mode mobile terminal, comprise mainboard, control unit, display unit, microphone, loud speaker and a switch combination, it is characterized in that: further comprise the antenna that two communication modules and two are connected with described communication module respectively, described control unit is controlled the communication of described communication module, described switch combination receives the control signal from described control unit, and described microphone and loud speaker are connected on one of them of two communication modules.

2. mode mobile terminal as claimed in claim 1 is characterized in that: wherein a strip antenna is a vertical polarized antenna, and an other strip antenna is a horizontally-polarized antenna.

3. mode mobile terminal as claimed in claim 1 is characterized in that: an antenna adopts+45 ° of polarization, and another antenna adopts-45 ° of polarization.

4. mode mobile terminal as claimed in claim 2 is characterized in that: described two antennas are arranged at the top and the bottom of this mode mobile terminal respectively.

5. mode mobile terminal as claimed in claim 1 is characterized in that: independent fully between described two communication modules, shielding is separately arranged, and link to each other with mainboard by a connector.

6. mode mobile terminal as claimed in claim 5 is characterized in that: described two communication modules comprise a CPU and a power management respectively, and described CPU controls the communication of the communication module at place respectively.

7. mode mobile terminal as claimed in claim 1 is characterized in that: described communication module is gsm module and CDMA module.

8. mode mobile terminal as claimed in claim 7, it is characterized in that: described gsm module further comprises first modulator-demodulator, described CDMA module further comprises second modem, and described switch combination is connected with second modem with described first modulator-demodulator.

9. mode mobile terminal as claimed in claim 8 is characterized in that: described switch combination comprises first switch and second switch, and wherein first switch is used for switch microphone between first modulator-demodulator and second modem; Second switch is used for switching loud speaker between first modulator-demodulator and second modem.

10. mode mobile terminal as claimed in claim 9 is characterized in that: further comprise " switch call " key, " terminated call " key and " cancellation is called out " key of being arranged on the panel middle part.