CN102438087A - Wireless communication terminal and method for realizing CS voice - Google Patents
Wireless communication terminal and method for realizing CS voice Download PDFInfo
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- CN102438087A CN102438087A CN2011103102268A CN201110310226A CN102438087A CN 102438087 A CN102438087 A CN 102438087A CN 2011103102268 A CN2011103102268 A CN 2011103102268A CN 201110310226 A CN201110310226 A CN 201110310226A CN 102438087 A CN102438087 A CN 102438087A
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- wireless communication
- communication terminal
- client terminal
- voice
- tcp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
Abstract
The invention provides a wireless communication terminal and a method for realizing CS voice, wherein the method includes while the wireless communication terminal processing a voice business, opening a TCP/IP wireless voice channel to build a wireless business link; when receiving a voice signal, the wireless communication terminal intercepting the voice data, transmitting the voice data in the buffer area to a customer terminal via the ICP/IP channel; when sending the voice signal, the customer terminal sending the collected voice data to the wireless communication terminal via the TCP/IP channel; and the wireless communication terminal sending the voice data to the opposite terminal. Due to the technical proposal of the invention, compared with the prior art, the invention discloses a method for realizing a voice function on the free-drive data card, including authentication, control and voice data transmission. The invention solves the problem of the free-drive data card that cannot realize the voice function because there is no voice data channel, increases the competitiveness of the free-drive data card and reduces the cost of the hardware.
Description
Technical field
The present invention relates to communication technical field, more specifically, relate to the method for a kind of wireless communication terminal and realization CS voice thereof.
Background technology
Continuous development along with the mobile broadband technology; Make the mobile broadband user can use data card to carry out Network anywhere or anytime and dial voice call; Initial data card all is that the user waits necessary install driver in use; Install driver is needs tens seconds even the time of a few minutes often, and the user often need wait for for a long time just can carry out data service.Development along with the data card technology; The data card of state-of-the-art technology can not need installing drive just can carry out data service; But these data cards that do not need installing drive just can carry out data service do not have original data card realizes dialing the function of voice call through the virtual serial port transmitting audio data; Business function to data card has certain limitation, therefore, is necessary this is done certain improvement.
Summary of the invention
The present invention seeks to propose the method for a kind of wireless communication terminal and realization CS voice thereof.
For realizing above-mentioned purpose, the present invention proposes the method that a kind of wireless communication terminal is realized the CS voice, and said method comprises: when wireless communication terminal carries out speech business, open TCP/IP wireless speech passage and set up air traffic link; When received speech signal, wireless communication terminal intercepting speech data is sent to client terminal through the TCP/IP passage with the speech data in the buffering area then; When sending voice signal, client terminal sends to wireless communication terminal with the speech data of gathering through the TCP/IP passage, and wireless communication terminal sends to the opposite end with speech data then.
Further; Client terminal and wireless communication terminal at first will carry out mutual authentication before carrying out speech business; Clear and definite both sides' identity; Wireless communication terminal and client terminal are regularly inquired the other side's state after both sides' identity obtains confirming, if just state normally can carry out normal speech business, otherwise just can refuse the other side's solicit operation.
Further, client terminal is initiated authentication request to wireless communication terminal, and the TCP control unit of wireless communication terminal is responded the authentication request of client terminal, and initiates diagnosis request, the diagnostic clients SOT state of termination to client terminal; Client terminal is initiated the phonetic function solicited message to wireless communication terminal; Start first timer simultaneously; If in the timer term of validity, can not receive the response of wireless communication terminal; Then continue to start first timer, up to the phonetic function request at TCP control unit customer in response terminal, client terminal stops timer then.
Further, after the TCP of wireless communication terminal control unit is being received the client terminal request, just start second timer, regularly send diagnostic message, be used for confirming the SOT state of termination to client terminal; Client terminal is responded the data card diagnostic message; If the TCP control unit does not still receive the response of client terminal after second timer sends greater than a diagnostic message; Then think and if client terminal need carry out speech business, then must carry out authentication again by the client terminal abnormal state.
Further, when sending voice signal, wireless communication terminal is intercepting PCM speech data from DSP, then with data compression, and data is write in the buffering area, through the TCP/IP passage speech data in the buffering area is sent to client terminal then.
Further, when received speech signal, client terminal with the PCM speech data compression of gathering after, send to wireless communication terminal through the TCP/IP passage, then with voice data decompression and send to and send to the opposite end after DSP handles.
The present invention also proposes a kind of wireless communication terminal of the CS of realization voice, and said wireless communication terminal comprises voice unit, TCP voice transfer unit and client terminal unit;
Voice unit is to the call request of network-originated call request or reception network;
TCP voice data transmission unit is sent to the TCP Audio Processing Unit with the speech data of client terminal unit collection, simultaneously voice unit is sent to client terminal from the speech data that network receives;
The client terminal unit is to wireless communication terminal request phonetic function or receive the voice signal from wireless communication terminal.
Further, said wireless communication terminal also comprises the TCP control unit, and said TCP control unit is used to respond the authentication request of client terminal, and the diagnostic clients SOT state of termination, and the dialing order after resolving is sent to voice unit.
Further, when sending voice signal, wireless communication terminal is intercepting PCM speech data from DSP, then with data compression, and data is write in the buffering area, through the TCP/IP passage speech data in the buffering area is sent to client terminal then.
Further, when received speech signal, client terminal with the PCM speech data compression of gathering after, send to wireless communication terminal through the TCP/IP passage, then with voice data decompression and send to and send to the opposite end after DSP handles.
In sum, adopt the present invention to have following beneficial effect:
Compared with prior art, the present invention discloses a kind of method that on the free drive data card, realizes phonetic function, comprises authentication, control and voice data transmission.Solve the free drive data card owing to there is not a speech data passage and can not realize the problem of phonetic function, increased free drive data card competitiveness of product, reduced the cost of hardware simultaneously.
Description of drawings
Fig. 1 is the free drive data card of the embodiment of the invention and the schematic flow sheet of client terminal mutual authentication;
Fig. 2 is the schematic flow sheet of embodiment of the invention voice control function;
Fig. 3 is an embodiment of the invention voice data transmission control flow sketch map;
Fig. 4 is that embodiment of the invention speech data is sent to the schematic flow sheet that data card is sent to client terminal again from network side;
Fig. 5 is the composition structural representation of embodiment of the invention wireless communication terminal.
Embodiment
The invention provides the method for a kind of wireless communication terminal and realization phonetic function thereof, promptly realize having all functions of voice on the driving data card through the wireless proprietary protocol of TCP/IP, comprise authentication, control and voice data transmission, specific embodiments is following:
Above-mentioned authentication mainly comprises: client terminal and free drive data card at first will carry out mutual authentication before carrying out speech business; Identity with clear and definite both sides; Data card and client terminal are also wanted regular inquiry the other side state after both sides' identity obtains confirming; If state normally just can carry out normal speech business, just otherwise can break off relations the other side's solicit operation, comprise receiving calls, calling and function control.
Above-mentioned controlled function comprises: call, receive calls, hang up the telephone.
The said process of calling comprises: initiate the dialing order and open TCP/IP wireless speech passage simultaneously, and through the TCP/IP radio channel will dial command transfer to the free drive data card to carry out the foundation of Radio Link.The said process of receiving calls comprises: the free drive data card is opened TCP/IP wireless speech passage, and call information is sent to client terminal, then the terminal incoming call answering after receiving the call information that wireless network sends over.The said process of hanging up the telephone comprises: the client terminal on-hook, and send on-hook information simultaneously and give the free drive data card, the free drive data card sends to network with the on-hook order then, closes voice channel simultaneously; After network on-hook information is received in network on-hook, free drive data card,, simultaneously voice channel is closed through TCP/IP passage notice client terminal.
Above-mentioned voice data transmission comprises: free drive data card voice module is intercepting PCM speech data from DSP; Then the data compression of 320byte is become the data of 160byte; And with the each speed of 20ms data are write in the buffering area, through the TCP/IP passage speech data in the buffering area is sent to client terminal then; After client terminal is compressed into the 160byte size data with the PCM speech data of gathering; Speed with the 20ms per second sends to the free drive data card through the TCP/IP passage, and the data card voice module becomes voice data decompression the data of 320byte and delivers to and sends to the opposite end after DSP handles then.
Technical scheme of the present invention does not need extra control information of virtual serial port transferring voice and speech data, has increased the competitiveness of free drive data card on business function, has reduced hardware cost simultaneously.
To combine accompanying drawing and specific embodiment that embodiment of the present invention is done detailed description below.In following embodiment, said wireless communication terminal is that example describes with the data card.
As shown in Figure 1; Be the free drive data card of the embodiment of the invention and the schematic flow sheet of client terminal mutual authentication; It has described the authentication mechanism of free drive data card and client terminal, and this mechanism has guaranteed that data card and client terminal all are ready to before the voice call carrying out, and data card and client terminal mate each other; The possibility of having avoided the disabled user to use illegal client terminal to carry out voice call with the free drive data card, said flow process comprises the steps:
S101: the client terminal authentication module is to free drive data card request phonetic function, and responds the state at terminal to data card;
The S102:TCP control unit is responded the authentication request of client terminal, and initiates diagnosis request, the diagnostic clients SOT state of termination to client terminal;
S103: client terminal is initiated the phonetic function solicited message to data card, starts first timer T01 simultaneously, if in the timer term of validity, can not receive the response of data card, then continues to start first timer T01;
The phonetic function request of S104:TCP control unit customer in response end, client terminal stops timer T01 then;
The S105:TCP control unit just starts second timer T11 after receiving the client terminal request, regularly send diagnostic message to client terminal, is used for confirming the SOT state of termination;
S106: client terminal is responded the data card diagnostic message; If the TCP control unit does not still receive the response of client terminal after second timer T11 sends greater than a diagnostic message; Then think the client terminal abnormal state; If client terminal need carry out speech business, then must carry out authentication again.
As shown in Figure 2, be the schematic flow sheet of embodiment of the invention voice control function, it comprises the steps:
S201: the client terminal unit is realized control through the TCP control unit to the data card voice unit;
S204: client terminal sends to the TCP control unit through the TCP proprietary protocol with dialing information, and the TCP control unit is resolved the voice control information of receiving then, and order is sent to the data card voice unit;
After dialing order after the S205:TCP control unit will be resolved sent to data card voice control unit, the data card voice unit was just to the network-originated call request;
S206: the data card voice unit is received the call request of network, and information is sent to the TCP control unit;
After the S207:TCP control unit is received call request,, send to client terminal then with the call request information packing;
S208: client terminal is selected to hang up the telephone after dialing or receiving call information, and the information of will hanging up then sends to network through the TCP control unit, stops the Radio Link conversation;
S209: receive network hang up information after, the data card voice unit will be hung up information through the TCP control unit and send to client terminal, hang up the telephone with Spoke-to-Client terminal the other side.
As shown in Figure 3; It is embodiment of the invention voice data transmission control flow sketch map; It has explained the transmission course of speech data; In order to guarantee the validity of voice data transmission, in carrying out transmission course, use two TCP/IP channel transfer input and output speech data, said flow process comprises the steps:
S301: two TCP/IP voice data transmission passages are provided, are responsible for the speech data of client terminal collection is sent to the data card Audio Processing Unit, be responsible for simultaneously the data card voice unit is sent to client terminal from the speech data that network receives;
S302: receive the speech data that network sends over,,, will compress the back data then and be put in the buffering area the PCM speech data boil down to 160byte size data of 320byte size in order to improve data quality in transmission course;
S303: the speech data in the buffering area is taken out with the each speed of 20ms, and send to Unit 304 with the TCP/IP passage and handle;
S304: the compress speech bag that will from 301, receive is reduced into 320byte size speech data, plays then;
S305: gather speech data, and speech data is compressed the 160byte size data, will compress the back data then and be put into buffering area;
S306: the speed so that 20ms is each is taken out data from buffering area, data is sent in the buffering area of data card through the TCP/IP passage then;
S307: the speech data that receives from client terminal in the buffering area is reduced into 320byte size speech data, sends to network.
As shown in Figure 4, be that embodiment of the invention speech data is sent to the schematic flow sheet that data card is sent to client terminal again from network side, it comprises the steps:
S401: both call sides is set up after the conversation, and data card just begins to receive the speech data that sends over from wireless network side, and carries out encoding and decoding and handle;
S402: the upper strata voice module of data card carries out processed compressed with the PCM data of obtaining among the aDSP, and size of data is written in the buffering area with the each speed of 20ms by 320byte boil down to 160byte size then;
The S403:TCP/IP transport module starts timer, and every 20ms reads compression back speech data from above-mentioned buffering area, and empties buffering area, through the TCP/IP radio channel speech data is sent to client terminal then;
S404: client terminal starts thread waits always and receives speech data, receives behind the speech data data are reduced processings, and writes buffering area, waits for broadcast;
S405: the sound playing module is obtained speech data and is play from buffering area, and empties buffering area.
The present invention has realized a kind of method that on the free drive data card, realizes phonetic function; Promptly transmit all voice control information and speech data through the TCP/IP mode; Use this method can accomplish at all phonetic functions that have the driving data card to accomplish; Increase a supplementary service function of free drive data card, improved the competitiveness of free drive data card on mobile broadband market, reduced hardware cost simultaneously.Be implemented in that the free drive data card is uploaded the sending voice relevant information and speech data not only is confined to the TCP/IP mode, the general alternate manner that is applicable to is such as the UDP mode.
Please refer to shown in Figure 5ly, is the composition structural representation of embodiment of the invention wireless communication terminal, and it comprises TCP control unit, data card voice unit, TCP voice transfer unit and client terminal unit.
The TCP control unit is used to respond the authentication request of client terminal, and initiates heartbeat request to client terminal, and the diagnostic clients SOT state of termination sends to the data card voice unit with the dialing order after resolving.
The data card voice unit receives the dialing order after control unit is resolved, to the network-originated call request; The data card voice unit is received the call request of network, and information is sent to the TCP control unit.
TCP voice data transmission unit is responsible for the speech data of client terminal collection is sent to data card TCP Audio Processing Unit, is responsible for simultaneously the data card voice unit is sent to client terminal from the speech data that network receives.
The client terminal unit is used for initiating authentication request to the free drive data card, asks phonetic function, and responds the state at terminal to data card.
Certainly; The present invention also can have numerous embodiments; In the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art can make various corresponding changes or variation according to the present invention certainly, any modification of in every case within spirit of the present invention and principle, being done, are equal to replacement, improvement, all should be included within protection scope of the present invention.
Claims (10)
1. the method for wireless communication terminal realization CS voice is characterized in that said method comprises: when wireless communication terminal carries out speech business, open TCP/IP wireless speech passage and set up air traffic link; When received speech signal, wireless communication terminal intercepting speech data is sent to client terminal through the TCP/IP passage with the speech data in the buffering area then; When sending voice signal, client terminal sends to wireless communication terminal with the speech data of gathering through the TCP/IP passage, and wireless communication terminal sends to the opposite end with speech data then.
2. the method for claim 1; It is characterized in that; Client terminal and wireless communication terminal at first will carry out mutual authentication before carrying out speech business, clear and definite both sides' identity, and wireless communication terminal and client terminal are regularly inquired the other side's state after both sides' identity obtains confirming; If state normally just can carry out normal speech business, just otherwise can break off relations the other side's solicit operation.
3. method as claimed in claim 2; It is characterized in that client terminal is initiated authentication request to wireless communication terminal, the TCP control unit of wireless communication terminal is responded the authentication request of client terminal; And to client terminal initiation diagnosis request, the diagnostic clients SOT state of termination; Client terminal is initiated the phonetic function solicited message to wireless communication terminal; Start first timer simultaneously; If in the timer term of validity, can not receive the response of wireless communication terminal; Then continue to start first timer, up to the phonetic function request at TCP control unit customer in response terminal, client terminal stops timer then.
4. method as claimed in claim 3 is characterized in that, after the TCP of wireless communication terminal control unit is being received the client terminal request, just starts second timer, regularly sends diagnostic message to client terminal, is used for confirming the SOT state of termination; Client terminal is responded the data card diagnostic message; If the TCP control unit does not still receive the response of client terminal after second timer sends greater than a diagnostic message; Then think and if client terminal need carry out speech business, then must carry out authentication again by the client terminal abnormal state.
5. the method for claim 1 is characterized in that, when sending voice signal; Wireless communication terminal is intercepting PCM speech data from DSP; Write in the buffering area then with data compression, and with data, through the TCP/IP passage speech data in the buffering area is sent to client terminal then.
6. the method for claim 1; It is characterized in that, when received speech signal, after client terminal compresses the PCM speech data of gathering; Send to wireless communication terminal through the TCP/IP passage, then with voice data decompression and send to and send to the opposite end after DSP handles.
7. a wireless communication terminal of realizing the CS voice is characterized in that, said wireless communication terminal comprises voice unit, TCP voice transfer unit and client terminal unit;
Voice unit is to the call request of network-originated call request or reception network;
TCP voice data transmission unit is sent to the TCP Audio Processing Unit with the speech data of client terminal unit collection, simultaneously voice unit is sent to client terminal from the speech data that network receives;
The client terminal unit is to wireless communication terminal request phonetic function or receive the voice signal from wireless communication terminal.
8. wireless communication terminal as claimed in claim 7; It is characterized in that said wireless communication terminal also comprises the TCP control unit, said TCP control unit is used to respond the authentication request of client terminal; And the diagnostic clients SOT state of termination, the dialing order after resolving is sent to voice unit.
9. wireless communication terminal as claimed in claim 7; It is characterized in that; When sending voice signal, wireless communication terminal is intercepting PCM speech data from DSP, then with data compression; And data are write in the buffering area, through the TCP/IP passage speech data in the buffering area is sent to client terminal then.
10. wireless communication terminal as claimed in claim 7; It is characterized in that, when received speech signal, after client terminal compresses the PCM speech data of gathering; Send to wireless communication terminal through the TCP/IP passage, then with voice data decompression and send to and send to the opposite end after DSP handles.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103102268A CN102438087A (en) | 2011-10-13 | 2011-10-13 | Wireless communication terminal and method for realizing CS voice |
| PCT/CN2012/075917 WO2012155865A1 (en) | 2011-10-13 | 2012-05-22 | Wireless communication terminal and method for implementing cs voice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103102268A CN102438087A (en) | 2011-10-13 | 2011-10-13 | Wireless communication terminal and method for realizing CS voice |
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| CN102438087A true CN102438087A (en) | 2012-05-02 |
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| CN2011103102268A Pending CN102438087A (en) | 2011-10-13 | 2011-10-13 | Wireless communication terminal and method for realizing CS voice |
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| WO (1) | WO2012155865A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012155865A1 (en) * | 2011-10-13 | 2012-11-22 | 中兴通讯股份有限公司 | Wireless communication terminal and method for implementing cs voice |
| CN105516523A (en) * | 2015-12-03 | 2016-04-20 | 南京熊猫电子股份有限公司 | Method for calling up on wireless router through WIFI (Wireless Fidelity) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102438087A (en) * | 2011-10-13 | 2012-05-02 | 中兴通讯股份有限公司 | Wireless communication terminal and method for realizing CS voice |
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2011
- 2011-10-13 CN CN2011103102268A patent/CN102438087A/en active Pending
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2012
- 2012-05-22 WO PCT/CN2012/075917 patent/WO2012155865A1/en active Application Filing
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| US20020165915A1 (en) * | 2001-04-25 | 2002-11-07 | Canon Kabushiki Kaisha | Peripheral equipment and peripheral equipment control method |
| CN101662838A (en) * | 2009-09-18 | 2010-03-03 | 中兴通讯股份有限公司 | Device, method and USB data card for realizing internet surfing without drive |
| CN101945322A (en) * | 2010-09-19 | 2011-01-12 | 中兴通讯股份有限公司 | Method and system for communicating with wireless network by using data card and data card |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012155865A1 (en) * | 2011-10-13 | 2012-11-22 | 中兴通讯股份有限公司 | Wireless communication terminal and method for implementing cs voice |
| CN105516523A (en) * | 2015-12-03 | 2016-04-20 | 南京熊猫电子股份有限公司 | Method for calling up on wireless router through WIFI (Wireless Fidelity) |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012155865A1 (en) | 2012-11-22 |
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