CN101330691A - Multimode mobile terminal and method for implementing VoIP business - Google Patents
Multimode mobile terminal and method for implementing VoIP business Download PDFInfo
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Abstract
The invention discloses a multimode mobile terminal and a method for achieving the VoIP service through the multimode mobile terminal. The multimode mobile terminal comprises an application processor main module and a GSM communication secondary module connected with the application processor main module, a CDMA communication secondary module and a WIFI communication secondary module. The application processor main module is used for controlling the communications of the GSM communication secondary module, the CDMA communication secondary module and the WIFI communication secondary module with corresponding communication networks. The GSM communication secondary module is used for communicating with the GSM network in the GSM communication mode according to the control of the processor main module. The CDMA communication secondary module is used for communicating with the CDMA network in the CDMA communication mode according to the control of the application processor main module. The WIFI communication secondary module is used for communicating with the WIFI network in the WIFI communication mode according to the control of the application processor main module.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of portable terminal that can support plurality of communication schemes, and the method that realizes the VoIP business by this portable terminal.
Background technology
At present, the mobile communication technology development is rapid, and mobile phone becomes popular indispensable means of communication, becomes daily necessities.
The most universal mobile communications network in the whole world is respectively GSM (Global System for Mobilecommunication, global system for mobile communications) network and CDMA (Code Division MultipleAccess, code division multiple access inserts) network.Present CDMA/GSM double-mode and double-standby terminal (promptly supporting the portable terminal of access of CDMA pattern and GSM pattern and standby) can use under these two kinds of networks simultaneously, thereby satisfies user's requirement.
Reorganization along with telecommunications industry, operators such as telecommunications have had CDMA mobile network and fixed telephone network, and begin to develop and to dial VoIP (Voice over IP in indoor environments such as families, IP-based voice transfer) the wireless WIFI of phone (Wireless Fidelity, Wireless Fidelity) system.The WIFI technology can guarantee in about 100 meters the wireless network covering on every side of WIFI focus.Terminal can arrive fixed telephone network by the WIFI network insertion, thereby inserts the INTERNET network, realizes dialing of IP phone.Because the IP phone rate, special toll telephone rate are cheaper, and the user is more and more urgent to the demand of this business.But present CDMA/GSM double-mode and double-standby terminal is not supported the WIFI technology, thereby can't satisfy the application demand of user to voip phone business and other INTERNET business.
Summary of the invention
The embodiment of the invention provides a kind of multi-module mobile terminal, to realize the support to the plurality of communication schemes that comprises the WIFI communication pattern.
The multi-module mobile terminal that the embodiment of the invention provides comprises: use to handle the secondary module of primary module and connected gsm communication, the secondary module of the cdma communication secondary module of communicating by letter with Wireless Fidelity WIFI;
Primary module is handled in described application, is used to control communicate by letter with WIFI secondary module and corresponding communication network of the secondary module of described gsm communication, the secondary module of cdma communication and communicates;
The secondary module of described gsm communication is used for handling according to described application the control of primary module, adopts gsm communication pattern and GSM network to communicate;
The secondary module of described cdma communication is used for handling according to described application the control of primary module, adopts cdma communication pattern and cdma network to communicate;
The described WIFI secondary module of communicating by letter is used for handling according to described application the control of primary module, adopts WIFI communication pattern and WIFI network to communicate.
The above embodiment of the present invention, by the communicate by letter multiple communication module of secondary module of the integrated WIFI of comprising in portable terminal, and by using of the control of processing primary module to each communication module, realized that portable terminal is to comprising the support of communication patterns among WIFI communication pattern many, thereby solved the problem that dual-mode terminal of the prior art is not supported the WIFI communication pattern, thereby satisfied the needs of user and other INTERNET business professional based on the VoIP of WIFI communication.
The embodiment of the invention also provides two kinds of methods by above-mentioned multi-module mobile terminal realization VoIP business, to realize solving the problem that present multimode terminal is not supported the VoIP business.
The method of a kind of VoIP of realization business that the embodiment of the invention provides comprises the steps:
Communicate by letter secondary module of described WIFI receives the VoIP business datum, and handles primary module through sending to described application after the demodulation process;
Described application is handled the VoIP business datum of primary module after to demodulation and is carried out IP decapsulation processing and tone decoding, and the audio digital signals that decodes is converted to analog voice signal;
Described application is handled primary module and is exported described analog voice signal.
The another kind that the embodiment of the invention provides is realized the method for VoIP business, comprises the steps:
Described application is handled primary module and is gathered analog voice signal, and described analog voice signal is converted to audio digital signals;
Described application handles that primary module carries out speech coding to described audio digital signals and the IP data encapsulation is handled, and obtains the VoIP business datum, and the VoIP business datum is sent to the described WIFI secondary module of communicating by letter;
The described WIFI secondary module of communicating by letter carries out described VoIP business datum to send after the modulation treatment.
In the above embodiment of the present invention, when receiving the VoIP business datum, application in the above-mentioned multimode terminal is handled primary module from communicate by letter VoIP business datum behind the secondary module receiving demodulation of WIFI, and the VoIP business datum that receives carried out IP decapsulation processing, tone decoding and D/A switch, finally obtain the analog voice data that can play; When sending the VoIP business datum, application in the above-mentioned multimode terminal is handled primary module the voice analog signal that receives is carried out mould/number conversion, speech coding and IP data encapsulation, and send to the WIFI secondary module of communicating by letter, send by the WIFI secondary module modulation back of communicating by letter.Thereby realized from terminal to network, from the network to the terminal two-way VoIP business.
Description of drawings
The multimode terminal structural representation that Fig. 1 provides for the embodiment of the invention;
Fig. 2 be use to handle in the embodiment of the invention primary module and the secondary module of gsm communication or and cdma communication pair module between the signal connection diagram;
Fig. 3 handles communicate by letter with WIFI signal connection diagram between the secondary module of primary module for using in the embodiment of the invention;
Fig. 4 is one of realization flow schematic diagram of VoIP business in the embodiment of the invention;
Fig. 5 be VoIP business in the embodiment of the invention the realization flow schematic diagram two.
Embodiment
Deficiency at existing terminal existence, the embodiment of the invention proposes a kind of the support and three kinds of multimode terminals that wireless network communicates, and is explained in detail to the main realization principle of the embodiment of the invention, specific implementation process and to the beneficial effect that should be able to reach below in conjunction with Figure of description.
Referring to Fig. 1, structural representation for the multimode terminal that the embodiment of the invention provided, this multimode terminal comprises use to handle primary module 1, the secondary module 2 of gsm communication, the secondary module 3 of cdma communication communicate by letter with WIFI secondary module 4 and peripheral input/output module (as keyboard 6, display 7, camera 8) and other peripheral functional modules (as memory 5) of realizing conventional func such as input and output.
Use to handle primary module 1 and is connected with the secondary module 2 of gsm communication, the secondary module 3 of cdma communication and the WIFI secondary module 4 of communicating by letter respectively, and these three secondary modules of communication and peripheral input/output module are controlled and managed, the realization communication service.The major function and the composition thereof of each functional module are respectively:
Use and handle primary module 1, mainly comprise application processor 10.The application processor that the embodiment of the invention adopted is the stronger processor of disposal ability, can support open operating systems such as LINUX or WINDOWS, particularly can support voip phone employed SIP (the Session InitiationProtocol that communicates by letter, session initiation protocol) protocol stack and audio coder ﹠ decoder (codec), and load application such as office software, 3D recreation, the processing of high-quality multimedia such as OFFICE, to satisfy the requirement of user to Intelligent Terminal.Application program in the application processor 10 can be handled the data that the secondary module 4 of communicating by letter from the secondary module 2 of gsm communication, the secondary module 3 of cdma communication or WIFI receives, and can be with the transfer of data after handling to the secondary module of corresponding communication, send to corresponding communication network by the secondary module of corresponding communication, to realize communication service.
Use processing primary module 1 and also comprise audio-frequency module 11 and power module 12, wherein audio-frequency module 11 can be handled the digital-to-analogue conversion of VoIP PCM audio digital signals, and power module 12 is used for corresponding to handling primary module 1 power supply.10 pairs of audio-frequency modules 11 of application processor and power module 12 are controlled, to guarantee to use the normal operation of handling primary module 1.Use processing primary module 1 and go back input-output equipment such as the keyboard 6 of control and management terminal, display 7, camera 8, finish the driving of application.
The secondary module 2 of gsm communication can independently be finished the operation control of the communication protocol of GSM standard, comprises GSM Base Band Unit 20, GSM radio frequency unit 21.GSM Base Band Unit 20 is used for the signal to be sent of multimode terminal is carried out Base-Band Processing according to the GSM standard, as: speech coding, chnnel coding, data encryption; GSM radio frequency unit 21 is used for the signal after 20 processing of GSM Base Band Unit is carried out radio frequency processing according to the GSM standard, as: the modulation of voice, data message, and the signal after will modulating is transmitted into the GSM network by the antenna 22 that is connected with the secondary module 2 of gsm communication.The secondary module 2 of gsm communication from the process of GSM network received signal in contrast.The secondary module 2 of gsm communication can also directly provide simulated audio signal to using processing primary module 1, so that satisfy terminal audio frequency path needs by audio-frequency module 11.
The secondary module 3 of cdma communication can independently be finished the operation control of the communication protocol of CDMA standard, comprises CDMA Base Band Unit 30, CDMA radio frequency unit 31.CDMA Base Band Unit 30 is used for the signal to be sent of multimode terminal is carried out Base-Band Processing according to the CDMA standard, as: speech coding, chnnel coding, data encryption; CDMA radio frequency unit 31 is used for the signal after 30 processing of CDMA Base Band Unit is carried out radio frequency processing according to the CDMA standard, as: the modulation of voice, data message, and the signal after will modulating is transmitted into cdma network by the antenna 32 that is connected with the secondary module 3 of cdma communication.The secondary module 3 of cdma communication from the process of cdma network received signal in contrast.The secondary module 3 of cdma communication can also directly provide simulated audio signal to using processing primary module 1, so that satisfy terminal audio frequency path needs by audio-frequency module 11.
The WIFI secondary module 4 of communicating by letter comprises WIFI Base Band Unit 40, WIFI radio frequency unit 41.WIFI Base Band Unit 40 is used for the signal to be sent of multimode terminal is carried out Base-Band Processing, as: chnnel coding, data encryption; Signal after WIFI radio frequency unit 41 is used for WIFI Base Band Unit 40 handled carries out radio frequency processing according to the WIFI standard, and as the modulation of voice, data message, and the signal after will modulating is by launching with the WIFI antenna 42 that secondary module 4 is connected of communicating by letter.WIFI communicates by letter secondary module 4 from the process of WIFI network received signal in contrast.
The WIFI secondary module 4 of communicating by letter can only be finished chnnel coding, encryption, the deciphering of this standard, and modulate, launch, and the encoding and decoding speech of data can be given and use to handle primary module 1 and finish, promptly, WIFI 4 of the secondary modules of communicating by letter offer and use to handle primary module 1 data flow, finish the encoding and decoding speech of data by use handling application processor primary module 1 in the primary module 1, its detailed process can for:
WIFI communicates by letter after secondary module 4 receives data from network side, the initial data of not carrying out tone decoding and data parsing is sent to application handle primary module 1, use processing primary module 1 and at first carry out the IP data processing, take out and solve speech data, then data are carried out the speech data decoding, generate PCM (Pulse CodeModulation, pulse-code modulation) digital voice data, send to audio-frequency module 11, audio-frequency module 11 is converted to simulated audio signal with the PCM digital voice data that receives, and amplify driving, offer the terminal electro-acoustic element.When needs when network side sends, the analog voice signal that audio-frequency module 11 receives terminal, be converted to the PCM digital voice data, send to described application processor 10, application processor 10 carries out the coding of speech data, carry out IP data processing encapsulation then, send to the WIFI secondary module of communicating by letter by it.
The secondary module 2 of gsm communication can be connected with two draw-in grooves (SIM or UIM draw-in groove) by switch (not illustrating in the drawings) with the secondary module 3 of cdma communication, arbitrary draw-in groove can be connected with arbitrary module in the secondary module 3 of cdma communication with the secondary module 2 of the gsm communication of wherein placing by this switch, because handling primary module 1 with application, the draw-in groove switch is connected, therefore, can realize that by this switch secondary module 2 of the gsm communication that will place in arbitrary draw-in groove or the secondary module 3 of cdma communication are connected with application processing primary module.This switch can be an analog switch, realizes by switching circuit.The user can place SIM card or UIM card on any draw-in groove, then by the control of analog switch, select with which draw-in groove to be connected, thereby select corresponding SIM card or UIM to stick into row communication.
Using processing primary module 1 is connected by the UART port with the secondary module 3 of cdma communication with the secondary module 2 of gsm communication, carry out corresponding actions by secondary module 2 of AT order control gsm communication or the secondary module 3 of cdma communication, and carry out transfer of data by the UART port, comprise: the message transmission that the secondary module 3 of gsm communication or the secondary module 3 of cdma communication demodulate is handled primary module 1 to using, and will use handle primary module 1 editor message transmission to secondary module 2 of gsm communication or the secondary module 3 of cdma communication, so that modulate and launch by secondary module 2 of gsm communication or the secondary module 3 of cdma communication.
Use to handle primary module 1 and connect by the SPI port, by the base register control command WIFI secondary module 4 of communicating by letter is controlled, and carried out transfer of data by the SPI port with the WIFI secondary module 4 of communicating by letter.
The multimode terminal that the embodiment of the invention provides can be operated under GSM, CDMA and the WIFI mode of operation, can switch under above-mentioned mode of operation according to the needs of environment or practical operation.The switching of mode of operation can realize by user's input of control commands, also can be realized automatically by this multimode terminal.In realize the process that mode of operation is switched by user's input of control commands, indication is switched in application operating interface that the user can provide by multimode terminal or the button input that provides, after using this indication of processing primary module 1 reception, indicate this module to communicate to corresponding communication module transmitting control commands according to this indication.As, send the AT order by the UART port to the secondary module 2 of gsm communication or the secondary module 3 of cdma communication and realize, perhaps send the base register control commands and realize the waking up of secondary module 4 of communicating by letter to the WIFI secondary module 4 of communicating by letter WIFI by the SPI port to the waking up of secondary module 2 of gsm communication or the secondary module 3 of cdma communication.Automatically realizing by multimode terminal in the handoff procedure of each mode of operation, use handling primary module 1 can be according to web search results or to the testing result of each network environment, which kind of network service quality or factor decisions such as signal strength signal intensity and switchover policy according to each network use communicate, and indicate this communication module to communicate by this network by sending order to the respective communication module.As, when use handling primary module 1 and detect multimode terminal and enter the WIFI hot spot region, send and wake the control command of its work up to the WIFI secondary module 4 of communicating by letter, the WIFI secondary module 4 of communicating by letter is connected to according to this order the AP of WIFI access service is provided (AccessPoint, access point), be connected to INTERNET by AP, thereby use professional or other INTERNET business of VoIP.
By use handling communicate by letter with the WIFI control of secondary module 4 of the secondary module 2 of 1 pair of gsm communication of primary module, the secondary module 3 of cdma communication, can be implemented under the various communication patterns and freely switching.Which kind of network technology more can play a role, and just allows multimode terminal switch under which kind of pattern and works, and enjoys thereby obtain high-quality voice, guarantees best service quality and user satisfaction.
Use to handle primary module 1, the secondary module 2 of gsm communication, the secondary module 3 of cdma communication, the WIFI secondary module 4 of communicating by letter and to enter resting state independently, connect by holding wire between each module, can wake its resting state mutually up, entering state of activation, thereby reduce the power consumption of terminal.Wherein the WIFI secondary module 4 of communicating by letter can regularly start, and detects network condition, enters the work state of activation when detecting the WIFI network, under no network condition, enters resting state.
A kind of application that Fig. 2 has provided the embodiment of the invention handle primary module 1 and the secondary module 2 of gsm communication or and cdma communication pair module 3 between the signal connected mode and wake mode up.As shown in Figure 2, use to handle primary module 1 and the secondary module 2 of gsm communication or be connected the UART port signal that comprises routine with signal between the secondary module 3 of cdma communication, as UART TX, UART RX and GND signal, also comprise control signal GPIO1, GPIO2, GPIO3 and GPIO4, its concrete implication is:
GPIO1: use and handle the signal that primary module 1 wakes secondary module 2 of gsm communication or the secondary module 3 of cdma communication up, as: be dormancy during low level, when level uprises, wake the secondary module of corresponding communication up;
The GPIO2:GSM secondary module 3 of secondary module 2 or cdma communication of communicating by letter is waken up and is used the signal of handling primary module 1, as: be dormancy during low level, when level uprises, wake primary module up;
GPIO3: use the signal that processing primary module secondary module 2 of 1 control gsm communication or the secondary module 3 of cdma communication enter normal mode of operation or downloading mode, as: when level when low, the secondary module of respective communication enters normal mode of operation, and when level when being high, the secondary module of respective communication enters downloading mode;
GPIO4: use the signal of handling primary module secondary module 2 of 1 control gsm communication or the secondary module 3 power supplys input of cdma communication, can control by the power supply input switch of the secondary module of control respective communication this secondary module of communicating by letter is carried out switching on and shutting down (the secondary module of communicating by letter is set to the power on mode that powers on).When not using respective communication pair module, can disconnect the power supply input switch of this secondary module of communicating by letter, thereby cut off supply access the secondary module of respective communication by shutdown signal; When needs use respective communication pair module, connect the power supply input switch of this secondary module of communicating by letter by opening signal, thereby connect supply access the secondary module of respective communication, can reduce the machine system power consumption like this.
A kind of application that Fig. 3 has provided the embodiment of the invention handle primary module 1 communicate by letter with WIFI between the secondary module 4 the signal connected mode and wake mode up.As shown in Figure 3, use processing primary module 1 and be connected the SPI port signal that comprises routine with the signal that WIFI communicates by letter between the secondary module 4, as SPI CLK, SPI CS, SPI SDI, SPI SDO, also comprise control signal GPIO1, GPIO2, GPIO3 and GPIO4, its concrete implication is:
GPIO1: use to handle primary module 1 and wake the communicate by letter signal of secondary module 4 of WIFI up, as: be dormancy during low level, when level uprises, wake the WIFI secondary module 4 of communicating by letter up;
The GPIO2:WIFI secondary module 4 of communicating by letter is waken signal that use to handle primary module 1 up, as: be dormancy during low level, when level uprises, wake up to use and handle primary module 1;
The communicate by letter shutdown signal of secondary module 4 of GPIO3:WIFI, as: during for low level, the WIFI secondary module 4 of communicating by letter is closed, during for high level, the WIFI secondary module 4 of communicating by letter is opened;
GPIO4: use to handle the communicate by letter signal of power supply input of secondary module 4 of primary module 1 control WIFI, as: the power supply input switch that disconnects this secondary module of communicating by letter when not using WIFI to communicate by letter secondary module 4, to cut off this secondary module of communicating by letter is powered, reduce the machine system power consumption.
In addition, the secondary module 3 of said cdma communication can communicate with the CDMA2000 network in the embodiment of the invention, WIFI communicate by letter secondary module 4 can with IEEE 802.11x, WIFI, WiMAX (interoperability of global microwave system) network service.
The multimode terminal that utilizes the embodiment of the invention to provide can be realized the VoIP business.
Referring to Fig. 4, the implementation procedure of the VoIP business from the multimode terminal to the network side that provides for the embodiment of the invention comprises the steps:
In this step, multimode terminal receives the VoIP business datum that network side sends by the secondary module 4 of WIFI wherein.Be specially: after multimode terminal and network side are set up professional the connection, antenna 42 by the secondary module 4 of WIFI receives the VoIP business datum, radio frequency processing such as demodulation through WIFI radio frequency unit 41, after the Base-Band Processing such as the deciphering of process WIFI Base Band Unit 40, channel-decoding, do not carried out the data of tone decoding, and used the application processor 10 of handling primary module 1 by sending to the SPI interface of using processing primary module 1.
In this step, the VoIP data that 1 pair of primary module of the application of multimode terminal processing receives are carried out tone decoding.Be specially: after application processing primary module 1 receives the VoIP data of not carrying out tone decoding from the SPI interface, at first carrying out the decapsulation of IP data based on the Session Initiation Protocol stack handles, take out and solve speech data, to take out the speech data that solves then and carry out the speech data decoding, obtain the PCM digital voice data, send to audio-frequency module 11; Audio-frequency module 11 is converted to analog audio data with the PCM digital voice data that receives, and amplifies and drive, and offers terminal electro-acoustic element (as loud speaker), thereby plays simulated audio signal for the user.
Referring to Fig. 5, the implementation procedure of the VoIP business from the network side to the multimode terminal that provides for the embodiment of the invention comprises the steps:
In this step, when the user need send the VoIP business datum by pseudo-terminal, as, when end subscriber was conversed, the electro-acoustic element of terminal (as microphone) collected simulated audio signal and offers audio-frequency module 11 by the VoIP link set up; Audio-frequency module 11 is converted to the PCM digital voice data with the analog voice signal that terminal receives, and sends to described application processor 10; Application processor 10 carries out the coding of speech data, carries out IP data processing encapsulation based on the Session Initiation Protocol stack then, sends to the WIFI secondary module 4 of communicating by letter by it.
In this step, Base-Band Processing such as the chnnel coding of the WIFI Base Band Unit 40 of the secondary module 4 of process WIFI, data encryption after the radio frequency processing such as the voice of process WIFI radio frequency unit 41, data-modulated, are launched by antenna 42.
As can be seen, the multimode terminal that can utilize the embodiment of the invention to provide by Fig. 4 and flow process shown in Figure 5 is realized the VoIP business.
Utilize the above-mentioned multimode terminal of the embodiment of the invention, can realize the standby simultaneously of cdma network, GSM network and WIFI network, converse, note and data use.By secondary module of gsm communication and the secondary module of cdma communication, can guarantee that the user can use mobile communication system in outdoor CDMA/GSM network coverage area; Can guarantee that by the WIFI secondary module of communicating by letter in indoor WIFI network coverage areas such as family, offices, the user can use the INTERNET network, dials and accept voip phone, to save post and telecommunication tariff.The multimode terminal that the embodiment of the invention provides, utilize the powerful CPU of application processor operational capability, terminal can be carried the operation of WIFI VoIP communication Session Initiation Protocol and the encoding and decoding speech of WIFI VoIP data flow, simultaneously can also carry LINUX or WINDOWS third party's open system software, and load application software such as OFFICE office software, satisfy the intelligent terminal demand.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1, a kind of multi-module mobile terminal is characterized in that, comprising: use to handle the secondary module of primary module and connected gsm communication, the secondary module of the cdma communication secondary module of communicating by letter with Wireless Fidelity WIFI;
Primary module is handled in described application, is used to control communicate by letter with WIFI secondary module and corresponding communication network of the secondary module of described gsm communication, the secondary module of cdma communication and communicates;
The secondary module of described gsm communication is used for handling according to described application the control of primary module, adopts gsm communication pattern and GSM network to communicate;
The secondary module of described cdma communication is used for handling according to described application the control of primary module, adopts cdma communication pattern and cdma network to communicate;
The described WIFI secondary module of communicating by letter is used for handling according to described application the control of primary module, adopts WIFI communication pattern and WIFI network to communicate.
2, multi-module mobile terminal as claimed in claim 1 is characterized in that, described application is handled primary module and is further used for, and sends wake-up signal or sleep signal to the secondary module of described gsm communication, the secondary module of cdma communication or the WIFI secondary module of communicating by letter; The secondary module of described gsm communication, the secondary module of cdma communication or the WIFI secondary module of communicating by letter is further used for, and enters state of activation according to the described wake-up signal that receives, and perhaps enters resting state according to the described sleep signal that receives;
Perhaps, described application is handled primary module and is further used for, and sends normal mode of operation signal or downloading mode signal to the secondary module of described gsm communication, the secondary module of cdma communication or the WIFI secondary module of communicating by letter; The secondary module of described gsm communication, the secondary module of cdma communication or the WIFI secondary module of communicating by letter is further used for, and enters normal mode of operation according to the described normal mode of operation signal that receives, and perhaps enters the download mode of operation according to the described downloading mode signal that receives.
3, multi-module mobile terminal as claimed in claim 1 is characterized in that, the secondary module of described gsm communication, the secondary module of cdma communication or the WIFI secondary module of communicating by letter is connected with separately power supply input switch respectively;
Described application is handled primary module and is further used for, and sends and opens or closes signal to the communicate by letter power supply input switch of secondary module of the secondary module of described gsm communication, the secondary module of cdma communication or WIFI;
The communicate by letter power supply input switch of secondary module of the secondary module of described gsm communication, the secondary module of cdma communication or WIFI is used for, according to the supply access of the secondary module of described opening signal connection respective communication that receives, the supply access that perhaps cuts off the secondary module of respective communication according to the described shutdown signal that receives.
4, multi-module mobile terminal as claimed in claim 1 is characterized in that, the secondary module of described gsm communication, the secondary module of cdma communication or the WIFI secondary module of communicating by letter is further used for, and handles primary module to described application and sends wake-up signal or sleep signal;
Described application is handled primary module and is further used for, and enters state of activation according to the described wake-up signal that receives, and perhaps enters resting state according to the described sleep signal that receives.
5, multi-module mobile terminal as claimed in claim 1, it is characterized in that, described multimode terminal also comprises: handle primary module with described application and be connected, be used to place first draw-in groove and second draw-in groove of secondary module of gsm communication or the secondary module of cdma communication, and the switch that is connected with the draw-in groove of this secondary module of communicating by letter of placement of the secondary module of communication that is used for placing in described first draw-in groove or second draw-in groove;
Described application is handled primary module and is connected by the UART port with the secondary module of described gsm communication and with the secondary module of described cdma communication, and described application processing primary module and the described WIFI secondary module of communicating by letter is connected by the SPI port.
6, multi-module mobile terminal as claimed in claim 1 is characterized in that, the secondary module of described GSM, the secondary module of the CDMA secondary module of communicating by letter with WIFI comprises respectively: Base Band Unit and radio frequency unit;
Described Base Band Unit be used for the signal to be sent of the secondary module of respective communication is carried out Base-Band Processing according to the communication pattern of the secondary module of respective communication, and the signal after will handling sends to the described radio frequency unit of respective communication pair module; Perhaps, be used to receive signal that the radio frequency unit of the secondary module of respective communication sends and carry out Base-Band Processing according to the communication pattern of the secondary module of respective communication;
Described radio frequency unit is used for signal that the Base Band Unit from the secondary module of respective communication is received, and carries out radio frequency processing and be transmitted into corresponding communication network according to the communication pattern of the secondary module of respective communication; Perhaps, be used to receive the signal that respective communication network sends, and carry out sending to after the radio frequency processing Base Band Unit of the secondary module of respective communication according to the communication pattern of the secondary module of respective communication;
Described application is handled primary module and is comprised: application processor and audio-frequency module;
Described application processor, be used for from described WIFI communicate by letter secondary module receive do not carry out data that tone decoding handles after, carry out IP data processing and tone decoding, obtain pulse-code modulation PCM digital voice data, and described PCM digital voice data is sent to described audio-frequency module; Perhaps, receive the PCM digital voice data that described audio-frequency module sends, and described PCM digital voice data is carried out sending to after speech coding and the IP data processing the described WIFI secondary module of communicating by letter;
Described audio-frequency module, the PCM digital voice data that is used for receiving are converted to simulated audio signal and output; Perhaps, the analog voice signal that is used for receiving is converted to the PCM digital voice data, sends to described application processor.
7, a kind ofly realize it is characterized in that the method for IP-based voice transfer VoIP business, comprise the steps: by the described multi-module mobile terminal of the arbitrary claim of claim 1-6
Communicate by letter secondary module of described WIFI receives the VoIP business datum, and handles primary module through sending to described application after the demodulation process;
Described application is handled the VoIP business datum of primary module after to demodulation and is carried out IP decapsulation processing and tone decoding, and the audio digital signals that decodes is converted to analog voice signal;
Described application is handled primary module and is exported described analog voice signal.
8, method as claimed in claim 7 is characterized in that, described application is handled the VoIP business datum of primary module after to demodulation and carried out IP decapsulation processing and tone decoding, and the audio digital signals that decoding obtains is converted to analog voice signal, comprising:
Described application is handled the VoIP business datum of the dialogue-based initiation protocol Session Initiation Protocol of primary module stack after to demodulation and is carried out the decapsulation of IP data and handle, and takes out and solves speech data;
Carry out the speech data decoding with taking out the speech data that solves, obtain digital voice data;
The digital voice data that obtains is converted to simulated audio signal.
9, a kind of method by the described multi-module mobile terminal realization of the arbitrary claim of claim 1-6 VoIP business is characterized in that, comprises the steps:
Described application is handled primary module and is gathered analog voice signal, and described analog voice signal is converted to audio digital signals;
Described application handles that primary module carries out speech coding to described audio digital signals and the IP data encapsulation is handled, and obtains the VoIP business datum, and the VoIP business datum is sent to the described WIFI secondary module of communicating by letter;
The described WIFI secondary module of communicating by letter carries out described VoIP business datum to send after the modulation treatment.
10, method as claimed in claim 9 is characterized in that, described application is handled primary module described audio digital signals is carried out speech coding, is the VoIP business datum with the data encapsulation behind the coding, comprising:
Described application is handled primary module described audio digital signals is carried out speech coding;
Described application is handled primary module and based on the Session Initiation Protocol stack data after encoding is carried out the IP encapsulation, obtains the VoIP business datum.
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| CNA2008101262561A CN101330691A (en) | 2008-07-28 | 2008-07-28 | Multimode mobile terminal and method for implementing VoIP business |
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