CN101764645A - Method and device for realizing speech concurrent data - Google Patents
Method and device for realizing speech concurrent data Download PDFInfo
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Abstract
The invention discloses a method and a device for realizing speech concurrent data. The method comprises the following steps that: a data service frame is preferably multiplexed in a logical channel at a stage of calling and establishing a speech concurrent data service when PPP negotiation is not completed, forward signaling exists, a speech frame is at a full rate and the data service frame exists; and otherwise, the speech frame is preferably multiplexed in the logical channel. The method and the device can improve the success rate of calling the speech concurrent data and are convenient for users to use.
Description
Technical field
The present invention relates to the speech concurrent data technology, be meant a kind of method and device of realizing speech concurrent data in the CDMA2000 system especially.
Background technology
The CDMA2000 system is except supporting basic speech business and data service, also support voice and packet data concurrent service, voice and packet data concurrent service is meant with the business of supporting two or more in once calling out, such as, concurrent or data service of speech business and data service and data service are concurrent etc.Support voice business and data service is concurrent in the consensus standard of CDMA2000 Release A, popular says, the business that allows the user make a phone call while surfing the Net exactly just when there is transfer of data in terminal and packet data exchanged territory, can be carried out voice communication with another user; When perhaps carrying out voice communication, can initiate and being connected of packet data exchanged territory with another user.
The speech concurrent data service call comprises the called data service calls of speech concurrent caller data service calls and speech concurrent.The user still can receive calling or another user of active call from another user when carrying out download of file transfer protocol (FTP) (FTP, File Transfer Protocol) data or browsing page; When carrying out voice call, still can carry out the FTP data and download or browsing page, realized that voice communication and data service are concurrent.
CDMA2000 system media access control (MAC, Media Access Control) primary channel (FCH of layer service channel, Fundamental Channel) and Dedicated Control Channel (DCCH, DedicatedControl Channel) etc. logic channel is supported voice and packet data concurrent service, system is support voice business and packet switch domain service simultaneously, after calling enters logic channel by selecting Dispatching Unit (SDU, Select Distribute Unit) multiplex sublayer is finished voice, grouped data, multiplexing and the demultiplexing of signaling frame, the frame format of logic channel FCH and DCCH is divided into the main business data block as shown in Figure 1, inferior business datum piece and signaling traffic data block.Wherein, the data that speech data also can be placed data service both can have been placed in main business data block and the low priority data business module, concrete what business of placing is to be consulted to determine by the point-to-point protocol (PPP, Point-to-Point Protocol) of call establishment stage; The signaling traffic data block is used for multiplexing space interface signaling; The size of three kinds of business datum pieces is by protocol Data Unit (PDU, Protocol Data Unit) Type 1 and two kinds of frame format type decided of PDU Type2, and the frame format of PDU Type1 and PDU Type2 respectively as shown in Figures 2 and 3.FCH and DCCH can support above two kinds of PDU Type, use which kind of PDU Type to decide at call establishment stage according to type of call.
In the prior art, in whole speech concurrent data business, because the real-time of voice requires than higher, system is preferential multiplexed speech frame when the logic channel multiplexed frame, only ability multiplex data traffic frame when logic channel has the free time.At the speech concurrent data call setup and enter the ppp negotiation stage, if the user talks or is under the very noisy environment always, speech frame is a full-rate vocoding always, speech business will take whole logic channel spaces, make logic channel FCH and DCCH not have idle next multiplexing data service frame, cause in the data service calls establishment stage, the data service frame that carries out ppp negotiation with terminal such as mobile phone can't send to terminal, thereby cause the failure of speech concurrent data service call.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and device of realizing speech concurrent data, and is to improve the call successful rate of speech concurrent data business, user-friendly.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method that realizes speech concurrent data, this method comprises:
At speech concurrent data service call establishment stage, preferential multiplex data traffic frame on logic channel, after the concurrent success, preferential multiplexed speech frame on logic channel.
In the such scheme, described at speech concurrent data service call establishment stage, before the bgical channel priority multiplex data traffic frame, this method comprises: multiplex sublayer is judged and currently to be in the speech concurrent data call establishment stage and PPP(Point-to-Point Protocol) is consulted imperfect tense, continues to judge the current forward direction of the existence signaling frame that whether has; If the current forward direction signaling that exists, then multiplex sublayer is judged whether full rate and the data service frame is arranged of current speech frame; If current speech frame full rate and the data service frame is arranged, then preferential multiplex data traffic frame on logic channel.
In the such scheme, if multiplex sublayer is judged the current speech concurrent data call establishment stage that is not in, perhaps ppp negotiation is finished, and then this method comprises: preferential multiplexed speech frame on logic channel.
In the such scheme, if multiplex sublayer is judged the current forward direction signaling that do not exist, then this method comprises: preferential multiplexed speech frame on logic channel.
In the such scheme, if multiplex sublayer judges that the current speech frame is not a full rate, perhaps do not have the data service frame, then this method comprises: preferential multiplexed speech frame on logic channel.
The present invention also provides a kind of device of realizing speech concurrent data, and this device comprises:
Judging treatmenting module, whether be speech concurrent data service call establishment stage, and notify preferential multiplexer if being used for determining current;
Preferential multiplexer is used at speech concurrent data service call establishment stage, at bgical channel priority multiplex data traffic frame, and after the concurrent success, preferential multiplexed speech frame on logic channel.
In the such scheme, described preferential multiplexer comprises:
The preferential multiplexer of data service is used at speech concurrent data service call establishment stage, and it is preferential that the multiplexed frame form is adjusted into data service;
The preferential multiplexer of speech business, be used for concurrent success after, it is preferential that the multiplexed frame form is adjusted into speech business.
In the such scheme, described judging treatmenting module comprises:
Judge module is set up in concurrent call, be used for the speech concurrent data call signaling received according to the multiplex sublayer of SDM, judge currently whether be in the speech concurrent data call establishment stage, and judge whether ppp negotiation is not finished, judged result triggers forward direction signaling judge module when being;
Forward direction signaling judge module is used for the flag bit according to SDM, judges the current forward direction signaling frame that whether exists, and judged result triggers speech frame rates and data service frame judge module for not the time;
Speech frame rates and data service frame judge module, be used for judging whether full rate of current speech frame according to the respective field of multiplex sublayer speech frame form, and the saving result according to data service frame among the SDM has judged whether the data service frame, judged result when being, the professional preferential multiplexer of trigger data.
In the such scheme, it is preferential that the preferential multiplexer of described data service is adjusted into data service with the multiplexed frame form, be specially: SDM is according to the content and the length of current multiplexed frame, the speech frame of full rate is carried out the reduction of speed rate or abandon, remaining space in the logic channel is used for the data services frame, in the frame format type, obtain the frame format that is complementary, and multiplexed frame is sent to terminal with this form by logic channel;
It is preferential that the preferential multiplexer of described speech business is adjusted into speech business with the multiplexed frame form, be specially: SDM is according to the content and the length of current multiplexed frame, elder generation's multiplexed speech frame, determine the size of multiplex data traffic frame then according to the channel remaining space, in the frame format type, obtain the frame format that is complementary, and multiplexed frame is sent to terminal with this form by logic channel.
In the such scheme, the preferential multiplexer of described speech business also is used for:
Set up judge module when concurrent call and judge the current speech concurrent data call establishment stage that is not in, perhaps ppp negotiation is finished, and it is preferential then the multiplexed frame form to be adjusted into speech business;
Judge the current forward direction signaling that do not exist when forward direction signaling judge module, it is preferential then the multiplexed frame form to be adjusted into speech business;
Judge that when speech frame rates and data service frame judge module the current speech frame is not a full rate, perhaps do not have the data service frame, it is preferential then the multiplexed frame form to be adjusted into speech business.
A kind of method and device of realizing speech concurrent data provided by the present invention, at speech concurrent data service call establishment stage, when ppp negotiation is not finished, and there is the forward direction signaling, and speech frame full rate and when the data service frame is arranged, then at bgical channel priority multiplex data traffic frame, otherwise, at bgical channel priority multiplexed speech frame.Adopt method of the present invention and device, can improve the call successful rate of speech concurrent data business, user-friendly, improve user's satisfaction.
Description of drawings
Fig. 1 is the frame format schematic diagram of logic channel FCH and DCCH;
Fig. 2 is a CDMA2000 agreement MAC layer logic channel frame format PDU Type1 schematic diagram;
Fig. 3 is a CDMA2000 agreement MAC layer logic channel frame format PDU Type2 schematic diagram;
Fig. 4 realizes the method flow diagram of speech concurrent data for the present invention;
Fig. 5 realizes the device composition diagram of speech concurrent data for the present invention.
Embodiment
Basic thought of the present invention is: at speech concurrent data service call establishment stage, at bgical channel priority multiplex data traffic frame, after the concurrent success, preferential multiplexed speech frame on logic channel is to improve the call successful rate of speech concurrent data business.
Logic channel FCH frame format PDU Type1 with the MAC layer is an example below, and method of the present invention is done to describe in detail.Main business data block multiplexed speech frame on FCH, inferior business datum piece multiplex data traffic frame, the multiplexing space interface signaling of signaling traffic data block.
The method that realization speech concurrent data provided by the present invention is called out, as shown in Figure 4, this method may further comprise the steps:
Step 401: multiplex sublayer judges currently whether be in the speech concurrent data call establishment stage and ppp negotiation is not finished, if then execution in step 402, if not, then execution in step 405;
In this step, at the speech concurrent data call establishment stage, terminal can send the speech concurrent data call signaling to the base station, the base station sends to this signaling the selection distribution multiplexing and demultiplexing module (SDM of its inside, Select Distribute Multiplex Demultiplex Module), when the multiplex sublayer among the SDM is received this signaling, the current speech concurrent data call establishment stage that is in is described then; SDM activates the radio link protocol (RLP, Radio Link Protocol) of inside of base station, and notice RLP carries out ppp negotiation and detects, and wherein, notifies SDM when RLP detects ppp negotiation and finishes the back; Currently be in the speech concurrent data call establishment stage and ppp negotiation is not finished if the multiplex sublayer among the SDM is judged, then execution in step 402; If multiplex sublayer is judged the current speech concurrent data call establishment stage that is not in, perhaps ppp negotiation is finished, and then execution in step 405.
Step 402: multiplex sublayer is judged the current forward direction signaling frame that whether exists, and if there is no, then execution in step 403, if exist, then execution in step 405;
In this step, described forward direction signaling frame is meant the signaling that is used to keep talking state that sends to terminal from the base station; This signaling can be set up a corresponding marker bit, in order to identify the existence of this forward direction signaling frame in SDM in process of transmitting.
Step 403: multiplex sublayer is judged whether full rate and the data service frame is arranged of current speech frame; If then execution in step 404; If not, execution in step 405 then;
In this step, after the multiplex sublayer of SDM is received speech frame, can obtain the transmission rate of this speech frame according to the respective field in the frame format; When SDM receives the data service frame, this data service frame can be preserved, for the multiplex sublayer inquiry; If the user talks or is under the very noisy environment always, then speech frame is a full-rate vocoding always, makes speech business take whole logic channel spaces, and does not have free space multiplex data traffic frame; If multiplex sublayer is judged current speech frame full rate and the data service frame is arranged that then execution in step 404; Otherwise, execution in step 405.
It is preferential that step 404:SDM is adjusted into data service with logic channel frame multiplex mode; Finish current flow process;
In this step, it is preferential that SDM is adjusted into data service with the logic channel frame multiplex mode of multiplex sublayer; Be specially: SDM is according to the content and the length of current multiplexed frame, it is speech frame, the content of Frame and signaling frame and length, the speech frame of full rate is carried out the reduction of speed rate or abandon, under the situation of not damaging speech frame, remaining space in the logic channel is used for the data services frame, in the frame format type, as obtaining the frame format that is complementary among the PDU Type1, the Category that for example adopts Fig. 2 is 14 multiplexing clauses and subclauses, the speech business that makes the main business transmission of data blocks is 0, and the data service of inferior business datum piece transmission is 168, and multiplexed frame is sent to terminal with this form by logic channel; Described speech frame being carried out the reduction of speed rate, generally is its speed to be reduced to half of full rate.In the practical application, at the speech concurrent data call establishment stage, SDM is the time that the user finishes the online dialing, generally in 2～3 second time, so bigger damage can not arranged to the transmission of speech frame to the time that speech frame carries out reduction of speed or abandons.In the present embodiment, be to be example with logic channel FCH, in the practical application, logic channel can use FCH or DCCH separately, also can use two channels to come the data services frame simultaneously.
It is preferential that step 405:SDM is adjusted into speech business with logic channel frame multiplex mode.
In this step, it is preferential that SDM is adjusted into speech business with the logic channel frame multiplex mode of multiplex sublayer, be specially: SDM is according to the content and the length of current multiplexed frame, be the content and the length of speech frame, Frame and signaling frame, elder generation's multiplexed speech frame is then according to the size of channel remaining space decision multiplex data traffic frame, in the frame format type, as obtaining the frame format that is complementary among the PDU Type1, and multiplexed frame is sent to terminal with this form by logic channel.
In the said method, after ppp negotiation is finished, after being the speech concurrent data access success, just can enable complement channel (SCH, Supplemental Channel) data services frame, therefore preferential multiplexed speech frame after ppp negotiation is finished can not impact the speech concurrent data business yet.
Based on said method, the present invention also provides a kind of device of realizing speech concurrent data, and this device is arranged in SDM, comprising: judging treatmenting module and preferential multiplexer, wherein,
Judging treatmenting module, whether be speech concurrent data service call establishment stage, and notify preferential multiplexer if being used for determining current;
Preferential multiplexer is used at speech concurrent data service call establishment stage, at bgical channel priority multiplex data traffic frame, and after the concurrent success, preferential multiplexed speech frame on logic channel.
Wherein, preferential multiplexer comprises: preferential multiplexer of speech business and the preferential multiplexer of data service, as shown in Figure 5; Wherein,
The preferential multiplexer of data service is used at speech concurrent data service call establishment stage, and it is preferential that the multiplexed frame form is adjusted into data service;
The preferential multiplexer of speech business, be used for concurrent success after, it is preferential that the multiplexed frame form is adjusted into speech business.
Wherein, judging treatmenting module comprises: judge module, forward direction signaling judge module, speech frame rates and data service frame judge module are set up in concurrent call, as shown in Figure 5; Wherein,
Judge module is set up in concurrent call, be used for the speech concurrent data call signaling received according to the multiplex sublayer of SDM, judge the current speech concurrent data call establishment stage that whether is in, and judge whether ppp negotiation is not finished, judged result triggers forward direction signaling judge module, further when being, judged result triggers the preferential multiplexer of speech business for not the time;
Forward direction signaling judge module is used for the flag bit according to SDM, judges the current forward direction signaling frame that whether exists, judged result triggers speech frame rates and data service frame judge module, further for not the time, judged result triggers the preferential multiplexer of speech business when being;
Speech frame rates and data service frame judge module, be used for judging whether full rate of current speech frame according to the respective field of multiplex sublayer speech frame form, and the saving result according to data service frame among the SDM has judged whether the data service frame, judged result is when being, the professional preferential multiplexer of trigger data, further, judged result triggers the preferential multiplexer of speech business for not the time.
It is preferential that the preferential multiplexer of described data service is adjusted into data service with the multiplexed frame form, be specially: SDM is according to the content and the length of current multiplexed frame, the speech frame of full rate is carried out the reduction of speed rate or abandon, under the situation of not damaging speech frame, remaining space in the logic channel is used for the data services frame, in the frame format type, as obtaining the frame format that is complementary among the PDU Type1, and multiplexed frame is sent to terminal with this form by logic channel;
It is preferential that the preferential multiplexer of described speech business is adjusted into speech business with the multiplexed frame form, be specially: SDM is according to the content and the length of current multiplexed frame, elder generation's multiplexed speech frame, determine the size of multiplex data traffic frame then according to the channel remaining space, in the frame format type, as obtaining the frame format that is complementary among the PDU Type1, and multiplexed frame is sent to terminal with this form by logic channel.
The preferential multiplexer of described speech business also is used for,
Set up judge module when concurrent call and judge the current speech concurrent data call establishment stage that is not in, perhaps ppp negotiation is finished, and it is preferential then the multiplexed frame form to be adjusted into speech business;
Judge the current forward direction signaling that do not exist when forward direction signaling judge module, it is preferential then the multiplexed frame form to be adjusted into speech business;
Judge that when speech frame rates and data service frame judge module the current speech frame is not a full rate, perhaps do not have the data service frame, it is preferential then the multiplexed frame form to be adjusted into speech business.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method that realizes speech concurrent data is characterized in that, this method comprises:
At speech concurrent data service call establishment stage, preferential multiplex data traffic frame on logic channel, after the concurrent success, preferential multiplexed speech frame on logic channel.
2. method according to claim 1, it is characterized in that, described at speech concurrent data service call establishment stage, before the bgical channel priority multiplex data traffic frame, this method comprises: multiplex sublayer is judged and currently to be in the speech concurrent data call establishment stage and PPP(Point-to-Point Protocol) is consulted imperfect tense, continues to judge the current forward direction of the existence signaling frame that whether has; If the current forward direction signaling that exists, then multiplex sublayer is judged whether full rate and the data service frame is arranged of current speech frame; If current speech frame full rate and the data service frame is arranged, then preferential multiplex data traffic frame on logic channel.
3. method according to claim 2 is characterized in that, if multiplex sublayer is judged the current speech concurrent data call establishment stage that is not in, perhaps ppp negotiation is finished, and then this method comprises: preferential multiplexed speech frame on logic channel.
4. method according to claim 2 is characterized in that, if multiplex sublayer is judged the current forward direction signaling that do not exist, then this method comprises: preferential multiplexed speech frame on logic channel.
5. method according to claim 2 is characterized in that, if multiplex sublayer judges that the current speech frame is not a full rate, does not perhaps have the data service frame, and then this method comprises: preferential multiplexed speech frame on logic channel.
6. a device of realizing speech concurrent data is characterized in that, this device comprises:
Judging treatmenting module, whether be speech concurrent data service call establishment stage, and notify preferential multiplexer if being used for determining current;
Preferential multiplexer is used at speech concurrent data service call establishment stage, at bgical channel priority multiplex data traffic frame, and after the concurrent success, preferential multiplexed speech frame on logic channel.
7. device according to claim 6 is characterized in that, described preferential multiplexer comprises:
The preferential multiplexer of data service is used at speech concurrent data service call establishment stage, and it is preferential that the multiplexed frame form is adjusted into data service;
The preferential multiplexer of speech business, be used for concurrent success after, it is preferential that the multiplexed frame form is adjusted into speech business.
8. device according to claim 7 is characterized in that, described judging treatmenting module comprises:
Judge module is set up in concurrent call, be used for the speech concurrent data call signaling received according to the multiplex sublayer of SDM, judge currently whether be in the speech concurrent data call establishment stage, and judge whether ppp negotiation is not finished, judged result triggers forward direction signaling judge module when being;
Forward direction signaling judge module is used for the flag bit according to SDM, judges the current forward direction signaling frame that whether exists, and judged result triggers speech frame rates and data service frame judge module for not the time;
Speech frame rates and data service frame judge module, be used for judging whether full rate of current speech frame according to the respective field of multiplex sublayer speech frame form, and the saving result according to data service frame among the SDM has judged whether the data service frame, judged result when being, the professional preferential multiplexer of trigger data.
9. according to claim 7 or 8 described devices, it is characterized in that, it is preferential that the preferential multiplexer of described data service is adjusted into data service with the multiplexed frame form, be specially: SDM is according to the content and the length of current multiplexed frame, the speech frame of full rate is carried out the reduction of speed rate or abandon, remaining space in the logic channel is used for the data services frame, in the frame format type, obtains the frame format that is complementary, and multiplexed frame is sent to terminal with this form by logic channel;
It is preferential that the preferential multiplexer of described speech business is adjusted into speech business with the multiplexed frame form, be specially: SDM is according to the content and the length of current multiplexed frame, elder generation's multiplexed speech frame, determine the size of multiplex data traffic frame then according to the channel remaining space, in the frame format type, obtain the frame format that is complementary, and multiplexed frame is sent to terminal with this form by logic channel.
10. according to claim 7 or 8 described devices, the preferential multiplexer of described speech business also is used for:
Set up judge module when concurrent call and judge the current speech concurrent data call establishment stage that is not in, perhaps ppp negotiation is finished, and it is preferential then the multiplexed frame form to be adjusted into speech business;
Judge the current forward direction signaling that do not exist when forward direction signaling judge module, it is preferential then the multiplexed frame form to be adjusted into speech business;
Judge that when speech frame rates and data service frame judge module the current speech frame is not a full rate, perhaps do not have the data service frame, it is preferential then the multiplexed frame form to be adjusted into speech business.
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| CN201010001656.7A CN101764645B (en) | 2010-01-21 | 2010-01-21 | Method and device for realizing speech concurrent data |
| PCT/CN2010/079198 WO2011088705A1 (en) | 2010-01-21 | 2010-11-26 | Method and device for implementing service simultaneous voice and data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011088705A1 (en) * | 2010-01-21 | 2011-07-28 | 中兴通讯股份有限公司 | Method and device for implementing service simultaneous voice and data |
| CN111491290A (en) * | 2020-04-14 | 2020-08-04 | 深圳市沃特沃德股份有限公司 | Method, device and computer equipment for parallel transmission of network voice and PS domain data |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5625677A (en) * | 1993-12-30 | 1997-04-29 | At&T | Simultaneous voice and data communications |
| US6798762B1 (en) * | 1998-07-20 | 2004-09-28 | Agere Systems Inc. | Digital wireless communication system for simultaneously conveying full rate speech data and dedicated user data |
| US6781971B1 (en) * | 1999-04-02 | 2004-08-24 | Qualcomm Incorporated | System and method for prioritizing traffic channel messages |
| KR100519165B1 (en) * | 2002-10-17 | 2005-10-05 | 엘지전자 주식회사 | Method for Processing Traffic in Mobile Communication System |
| KR100514144B1 (en) * | 2002-10-29 | 2005-09-08 | 엘지전자 주식회사 | Method For Simultaneous Voice And Data Service In Mobile Communication System |
| CN100364255C (en) * | 2004-03-15 | 2008-01-23 | 中国联合通信有限公司 | Processing method of snchronously transmitting speech service in CDMA network pack data service |
| CN101227411B (en) * | 2008-02-03 | 2010-04-21 | 北京天碁科技有限公司 | Method and apparatus for ensuring voice business quality in terminal concurrence business |
| CN101340670A (en) * | 2008-08-11 | 2009-01-07 | 中兴通讯股份有限公司 | Method and multi-mode mobile terminal for processing voice and data concurrence |
| CN101764645B (en) * | 2010-01-21 | 2014-04-09 | 中兴通讯股份有限公司 | Method and device for realizing speech concurrent data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011088705A1 (en) * | 2010-01-21 | 2011-07-28 | 中兴通讯股份有限公司 | Method and device for implementing service simultaneous voice and data |
| CN111491290A (en) * | 2020-04-14 | 2020-08-04 | 深圳市沃特沃德股份有限公司 | Method, device and computer equipment for parallel transmission of network voice and PS domain data |
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| CN101764645B (en) | 2014-04-09 |
| WO2011088705A1 (en) | 2011-07-28 |
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