CN103391518B - The method of the data of transmission except speech data in specialty wireless telecommunications voice communication - Google Patents
The method of the data of transmission except speech data in specialty wireless telecommunications voice communication Download PDFInfo
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Abstract
A kind of method of the data of transmission except speech data in professional wireless telecommunications voice communication, at transmitting terminal, transmission 20ms*N continuously, by the speech data in the predetermined 20ms period, uses data and specific identifier thereof except speech data to substitute and send; Continue transmission 20ms*N, then by the speech data in the 2nd predetermined 20ms period in voice superframes, then substitute and send with the data except speech data and specific identifier thereof; By that analogy; At receiving terminal, obtain continuously 20ms*N, the data except speech data and specific identifier thereof in the predetermined 20ms period in voice superframes are obtained and processed; Continue again to obtain 20ms*N, then the data except speech data and specific identifier thereof in the 2nd predetermined 20ms period in voice superframes are obtained and processed; By that analogy, until all data receivers are complete. The present invention has using when professional wireless telecommunications system, can voice call process in, can transmit the advantage of the data except speech data simultaneously.
Description
Technical field
The present invention relates to a kind of professional wireless telecommunications system and in voice communication, transmit data except speech dataMethod, refers in particular to and in DMR/PDT wireless communication terminal or system, carries out voice and the data except speech data pass simultaneouslyDefeated method.
Background technology
In prior art, a tdma frame of professional wireless telecommunications sends BURST by a 30ms and a 30ms receivesBURST composition, in speech business transmitting procedure, 6 continuous superframes of tdma frame composition, for transferring voice, lengthFor 360ms, number consecutively is that " A " arrives " F ", because a tdma frame takies the 60ms time, and only has 30ms for transmitting, because ofThis, the 60ms voice in a tdma frame must complete transmission at the transmission BURST of 30ms, as shown in Figure 1.
In professional wireless telecommunications, speech frame A is simultaneous voice frame, can identify according to synchronous characteristic symbol; RemainingFor embedding signaling voice frame, each embedding signaling voice frame comprises a 32bit embedding data district, 2 8bit embedding datasDistrict and 2 108bit speech data districts, wherein 32bit embedding data district is used for carrying the information of entering that lags, and 2 8bit embed numbersAccording to composition, a 16bit embeds signaling (EMB16), can embed in signaling voice frame B-F for identification. Speech frameData structure as shown in Figure 2.
In fact the speech data of 60ms can be divided into 3 20ms and processes, and every 20ms speech data is compressed into72bit, the speech data of burst (comprise and receive burst and transmitting burst) is filled as shown in Figure 3.
Therefore, in the prior art, in whole speech business process, when speech data takies recipient's reception alwaysTherefore gap and launch party's transmission time slot is the transmission that can not carry out other data service in whole voice call process., use in the process of professional wireless telecommunications system transferring voice in reality, user need to not interrupted voice again sometimesWhen call, by other the data except speech data, as information, signaling etc. are transferred to the other side, logical at existing voiceIn words, but cannot realize.
Summary of the invention
In order to address the above problem, to the invention provides a kind of professional wireless telecommunications system and in voice communication, transmit except voiceThe method of the data beyond data, solve in voice call process, transmits other data except speech data simultaneouslyProblem.
Technical scheme of the present invention is to provide a kind of professional wireless telecommunications system and in voice communication, transmits except speech dataThe method of data in addition, while being used professional wireless telecommunications system speech communication;
(1), at the transmitting terminal of professional wireless telecommunications system, transmit continuously 20ms*N, N is more than or equal to first group of voice of 20After, by the speech data in the predetermined 20ms period in voice superframes, with data and spy thereof except speech dataCalibration knowledge substitutes and sends; Continue transmission 20ms*N, N is more than or equal to after second group of voice of 20 again, then by voice superframesSpeech data in the 2nd predetermined 20ms period, more alternative concurrent by the data except speech data and specific identifier thereofSend; By that analogy, until all data be sent;
(2), at the receiving terminal of professional wireless telecommunications system, obtain continuously 20ms*N, N is more than or equal to first group of voice of 20After, the data except speech data and specific identifier thereof in the predetermined 20ms period in voice superframes are obtained alsoProcess; Continue to obtain 20ms*N, N is more than or equal to after second group of voice of 20 again, then by predetermined second in voice superframesThe data except speech data and specific identifier thereof in the 20ms period obtain and process; By that analogy, until all dataReceive.
As improvement of the present invention, in above-mentioned (2) step, be also included in the language that removes in each predetermined 20ms periodWhen data beyond sound data and specific identifier thereof obtain and process, with corresponding be positioned at the predetermined 20ms period beforeThe 20ms period in speech data be filled in the predetermined 20ms period, and as next group language data process.
As improvement of the present invention, for the B-E frame in voice superframes, described specific identifier is located at B-E frameEmbed in signaling area, and data except speech data are located at E frame or are close in F frame thereafter.
As improvement of the present invention, for the F frame in voice superframes, described specific identifier is located at the embedding of F frameIn signaling area, and data except speech data are located in F frame.
As improvement of the present invention, for the A-F frame in voice superframes, change that specify or random A-F frameIn Error Correction of Coding or the algorithm that interweaves of data in any one block of speech, use as specific identifier; And will be except speech dataData are in addition located in present frame.
In the present invention, described data except speech data comprise signaling or information. Described information comprise status information,Positional information or pictorial information.
The present invention has using when professional wireless telecommunications system, can voice call process in, transmit other simultaneously and removeData beyond speech data can be transmitted the advantage of the data except speech data simultaneously.
Professional wireless telecommunications system in the present invention mainly refers to PDT or DMR, and the Chinese meaning of " PDT " is specialty numeralCluster; The Chinese meaning of " DMR " is digital mobile intercom.
Brief description of the drawings
Fig. 1 is existing voice superframe structure schematic diagram.
Fig. 2 is the voice bursts structural representation that existing band embeds signaling.
Fig. 3 is the structural representation that existing voice compression sends.
Fig. 4 is the structural representation of an embodiment of the present invention.
Fig. 5 is the structural representation of the another kind of embodiment of the present invention.
Fig. 6 is that in the present invention, B-E frame embeds signalling schematic diagram.
Fig. 7 is speech frame E structural representation of the present invention.
Fig. 8 is that the present invention utilizes the schematic flow sheet that embeds the data of signalling except speech data.
Fig. 9 is that in the present invention, F frame embeds signalling schematic diagram.
Figure 10 is speech frame F structural representation of the present invention.
Figure 11 is that the present invention utilizes speech frame F to transmit the schematic flow sheet of the data except speech data.
Figure 12 is the structural representation of receive in block of speech verification/transmitting burst.
Figure 13 is the schematic flow sheet that in block of speech verification, assigned address transmits the data except speech data.
Figure 14 is the schematic flow sheet that in block of speech verification, random site transmits the data except speech data.
Figure 15 is block of speech data reduction module diagram.
Detailed description of the invention
Refer to Fig. 4, Fig. 4 disclose be a kind of professional wireless telecommunications system in voice communication, transmit remove speech data withThe method of outer data, while being used professional wireless telecommunications system speech communication;
(1), at the transmitting terminal of professional wireless telecommunications system, transmit continuously 20ms*N, N is more than or equal to first group of voice of 20After 1, by the speech data in the predetermined 20ms period 11 in voice superframes, by the data except speech data andSpecific identifier substitutes and sends; Continue transmission 20ms*N, N is more than or equal to after second group of voice 2 of 20 again, then by voice superframesThe 2nd predetermined 20ms period 21 in speech data, more alternative also by the data except speech data and specific identifier thereofSend; By that analogy, until all data be sent;
(2), at the receiving terminal of professional wireless telecommunications system, obtain continuously 20ms*N, N is more than or equal to first group of voice of 20After 1, the data except speech data and specific identifier thereof in the predetermined 20ms period 11 in voice superframes are obtainedGet and process; Continue to obtain 20ms*N, N is more than or equal to after second group of voice 2 of 20 again, then by predetermined the in voice superframesThe data except speech data and specific identifier thereof in two 20ms periods 21 obtain and process; By that analogy, until allData receiver is complete. So, can realize while using PDT or DMR equipment, in voice call process, transmission is except voice simultaneouslyThe object of the data beyond data.
In said method, described data except speech data comprise signaling or information; Wherein, described information comprises shapeState information, positional information or pictorial information etc. (lower same).
Refer to Fig. 5, Fig. 5 is the structural representation of the another kind of embodiment of the present invention. What Fig. 5 disclosed is another kind of professional nothingLine communication apparatus transmits the method for the data except speech data in voice communication, while using PDT or DMR speech communication;
(1), at the transmitting terminal of professional wireless telecommunications system, transmit continuously 20ms*N, N is more than or equal to first group of voice of 20After 1, by the speech data in the predetermined 20ms period 11 in voice superframes, by the data except speech data andSpecific identifier substitutes and sends; Continue transmission 20ms*N, N is more than or equal to after second group of voice 2 of 20 again, then by voice superframesThe 2nd predetermined 20ms period 21 in speech data, more alternative also by the data except speech data and specific identifier thereofSend; By that analogy, until all data be sent;
(2), at the receiving terminal of professional wireless telecommunications system, obtain continuously 20ms*N, N is more than or equal to first group of voice of 20After 1, the data except speech data and specific identifier thereof in the predetermined 20ms period 11 in voice superframes are obtainedGet and process,, the speech data that is positioned at a predetermined 20ms period 12 before 20ms period 11 is filled in advance meanwhileIn the fixed 20ms period 11, process as second group of speech data 2; Continue again to obtain 20ms*N, N be more than or equal to 20After two groups of voice 2, then by the data except speech data in the 2nd predetermined 20ms period 21 in voice superframes andSpecific identifier obtains and processes, and meanwhile, will be positioned at the voice number of the 2nd predetermined 20ms period 22 before 20ms period 21According to being filled in the 2nd predetermined 20ms period 21, process as the 3rd group of speech data 2; By that analogy, until all dataReceive.
So, while using professional wireless telecommunications system except realizing, in voice call process, transmission is except voice simultaneouslyOutside the object of the data beyond data, can also substantially not affect the quality of voice call.
Refer to Fig. 6, Fig. 7 and Fig. 8, what Fig. 6 to Fig. 8 disclosed is specifically specific in voice superframes B-E frame of the present inventionMark and the insertion of mark and the data except speech data, and reception & disposal process. For the B-E frame in voice superframes, described specific identifier is located in the embedding signaling area of B-E frame, and data except speech data are located at E frame or tightIn adjacent F frame thereafter.
In the time of voice transfer, the information of entering (call setup information) that lags, every frame bag are carried in the embedding signaling area of B-E frameContaining 32 embedding bit, amount to 128bit, these 128bit data are set up packet by the audio call of 72bit and are compiled through forward error correctionCode and interweave after obtain, as shown in Figure 6. In the call setup information of 72bit, there is part to retain bit and not yet use at present, justNormal calling duration is 0, therefore can use 1 bit wherein to use as specific identifier, if this BIT value is 0, represents specialThe data of determining home position are normal voice, otherwise are the data except speech data.
Taking the group calling in professional wireless telecommunications as example, existing voice data structure is as following table, and (other speech business data are tiedStructure is identical):
| Information unit | Length (BIT) | Explanation |
| PF(Protect Flag) | 1 | Protective emblem |
| RSV(Reserved) | 1 | Be necessary for 0 |
| FLCO(Full Link Control Opcode) | 6 | Complete link control command code |
| FID(Feature set ID) | 8 | Function collection ID |
| SO(Service Options) | 8 | Business option |
| GrpAddr(Group Address) | 24 | Group address |
| SrcAddr(Source Address) | 24 | Source address |
Using reservation bit RSV wherein as specific identifier, the data structure after improving is as follows:
| Information unit | Length (BIT) | Explanation |
| PF(Protect Flag) | 1 | Protective emblem |
| SF（Specific Flag） | 1 | 0: without other data, 1: have voice with individual data |
| FLCO(Full Link Control Opcode) | 6 | Complete link control command code |
| FID(Feature set ID) | 8 | Function collection ID |
| SO(Service Options) | 8 | Business option |
| GrpAddr(Group Address) | 24 | Group address |
| SrcAddr(Source Address) | 24 | Source address |
Data except speech data can select 3 intermediate mass positions insertions in block of speech (certainly, also can selectAny one in other 2 block of speech inserted), as shown in Figure 7. In voice call, in the time that voice A frame sends, detect and sendWhether side has data to need to send, if there are data to be sent, SF mark is put to 1, and regenerates the embedding of B-E frameThe data of 32BIT, then carry out the transmission processing of subsequent voice, but in the time generating the data of speech frame E, use needs to sendThe former speech data of data replacement (as shown in Figure 4) except speech data.
When use, transmitting terminal and receiving terminal are specifically to the handling process of the data except speech data as shown in Figure 8.
At transmitting terminal, carry out following steps:
S100, program start;
Whether S110, detection speech frame A send, and if so, enter S120, if not, enter S140;
S120, are there data except speech data to send? if so, enter S130, if not, enter S140;
S130, regenerate after the embedding signaling data that includes specific identifier, then enter S140;
S140, transmission speech frame E? if enter S150, enter if not S170;
Whether S150, inspection have specific identifier, if enter S160, enter if not S170;
S160, the data replacement former speech data of use except speech data;
S170, transmission speech frame;
S180, end;
At receiving terminal, carry out following steps:
S200, program start;
S210, judge whether it is simultaneous voice Frame A? if so, enter S220, if not, enter S230;
S220, removing embed signaling data, enter S295;
S230, judge whether it is speech data frame B? if so, enter S240, if not, enter S250;
The 32bit of S240, reservation speech frame B embeds signaling data, enters S295;
S250, judge whether it is speech data frame C? if so, enter S260, if not, enter S270;
The 32bit of S260, reservation speech frame C embeds signaling data, enters S295;
S270, judge whether it is speech data frame D? if so, enter S280, if not, enter S290;
The 32bit of S280, reservation speech frame D embeds signaling data, enters S295;
S290, judge whether it is speech data frame E? if so, enter S291, if not, enter S296;
The 32bit of S291, reservation speech frame E embeds signaling data, enters S292;
S292, embedding signaling decoding;
S293, judge whether specific identifier? if enter S294; Enter if not S295;
294, obtain the data except speech data and fill front 20ms speech data to current block, and entering S295;
S295, tone decoding;
S296, end.
Refer to Fig. 9, Figure 10 and Figure 11, what Fig. 9 to Figure 11 disclosed is specifically specific in voice superframes F frame of the present inventionMark and the insertion of mark and the data except speech data, and reception & disposal process. For the F frame in voice superframes andSpeech, described specific identifier is located in the embedding signaling area of F frame, and data except speech data are located in F frame.
In the time of voice transfer, the embedding 32bit data of F frame are all zero, as shown in Figure 9. Therefore, can use F frame32 embed bit as specific identifier, in the time that needs transmit the data except speech data, by specific identifier data head informationThe 32bit embedding data district of 32bit data stuffing F frame producing through forward error correction coding, after interweaving, recipient is receiving FFrame also detects when embedding data district is non-zero, deinterleaves, decoding FEC, specific if data check correctly, representsThe data block of position is the data except speech data, otherwise presses normal voice data processing.
Specifically, in the time that the speech data of voice F frame is prepared, if there are the data except speech data to send outSend, use special processing, the filling of the data except speech data as shown in figure 10.
When use, transmitting terminal and receiving terminal are specifically to the handling process of the data except speech data as shown in figure 11.
At transmitting terminal, carry out following steps:
S300, program start;
Whether S310, detection speech frame F send, and if so, enter S320, if not, enter S350;
S320, are there data except speech data to send? if so, enter S330, if not, enter S350;
S330, filling specific identifier enter to embed signaling area, then enter S340;
S340, the data of filling except speech data enter block of speech, then enter S350;
S350, transmission speech frame F;
S360, end;
At receiving terminal, carry out following steps:
S400, program start;
S410, judge whether it is speech data frame F? if so, enter S420, if not, enter S460;
S420, judge embed signaling be null value?, if enter S430, if not, enter S460;
S430, verification specific identifier; Enter S440;
S440, no correct while judging specific identifier, if so, enters S450, if not, enters S460;
S450, the data of extraction except speech data, enter S460;
S460, tone decoding;
S470, end.
Refer to Figure 12 to Figure 14, what Figure 12 to Figure 14 disclosed is by the block of speech school of any frame in speech frame A-FThe program of testing is identified specific identifier and is inserted the method for the data except speech data. It can be divided into two kinds of situations, oneAssigned address, one is to choose at random.
For the A-E frame in voice superframes, in change A-F frame that specify or random in any one block of speechThe Error Correction of Coding of data, is used as specific identifier; And the data except speech data are located in present frame.
In the present invention, each voice synchronous frame and embedding signaling frame all comprise the speech data of 216bit coding, by 372bit data composition, the speech data that each 72bit comprises 20ms, as shown in figure 12.
Each 72bit data by the speech sample data of 20ms through specific compressed encoding, Error Correction of Coding and after interweavingGenerate. Therefore,, in the time that needs use the data except speech data, transmit leg uses not the data except speech dataBe same as former speech data Error Correction of Coding or the algorithm that interweaves, receive and be conveniently easy to distinguish speech data and remove speech dataData in addition. Recipient number of speech frames to each 72bit according to before carrying out tone decoding, preferentially remove speech data withThe error correction decoding of outer data, the detection that deinterleaves, if verification is correct, this blocks of data is the data except speech data, noBe speech data, by normal voice flow processing.
Specifically, if insert the data except speech data by the position of making an appointment, except speech dataData be only set in specific frame and piece position, recipient only carries out verification identification to the physical block data of particular frame,Its flow process transmit leg and recipient as shown in figure 13.
At transmitting terminal, carry out following steps:
S500, program start;
S510, have the data except speech data speech frame send? if so, enter S520, if not, enterEnter S540;
S520, are there there the data except speech data? if enter S530, if not, enter S540;
S530, fill data except speech data to specified speech piece, then enter S540;
S540, transmission speech frame;
S550, end;
At receiving terminal, carry out following steps:
S600, program start;
S610, judge whether be specify contain the Frame except speech data? if so, enter S620, ifNo, enter S650;
S620, the verification data-voice piece except speech data, enters S630;
Whether S630, the data of judgement except speech data correct? if so, enter S640, if not, enterS650；
S640, obtain the data except speech data, enter S650;
S650, tone decoding;
S660, end.
Send out front data input and data output except speech data for choosing at random speech frame, can be according to removing of waiting to send outThe time point of the request of data beyond speech data extracts speech data block position nearby and sends, and therefore, recipient needsData block BLK1, the BLK2, the BLK3 order that receive speech frame are carried out to verification identification (referring to Figure 15), and it is in transmit leg and receptionThe flow process of side as shown in figure 14.
At transmitting terminal, carry out following steps:
S700, program start;
S710, there is the speech frame of the data beyond speech data to send? if so, enter S720, if not, enterS740；
S720, are there there the data except speech data? if enter S730, if not, enter S740;
S730, choose the data stuffing of a block of speech except speech data, then enter S740;
S740, transmission speech frame;
S750, end;
At receiving terminal, carry out following steps:
S800, program start;
S810, reception speech frame, enter S820;
Do you S820, judge that whether BLK1 verification correct? if so, enter S830, if not, enter S840;
S830, the data of extraction except speech data, enter S880;
Do you S840, judge that whether BLK2 verification correct? if so, enter S850, if not, enter S860;
S850, the data of extraction except speech data, enter S880;
Do you S860, judge that whether BLK3 verification correct? if so, enter S870, if not, enter S880;
S870, the data of extraction except speech data, enter S880;
S880, tone decoding;
S890, end.
Claims (6)
1. professional wireless telecommunications system transmits a method for the data except speech data in voice communication, and its feature existsIn: while using professional wireless telecommunications speech communication;
(1), at the transmitting terminal of professional wireless telecommunications, transmit continuously 20ms*N, N is more than or equal to after first group of voice of 20, by languageSpeech data in the predetermined 20ms period in sound superframe, uses data and specific identifier thereof except speech data to replaceIn generation, also sends; Continue transmission 20ms*N, N is more than or equal to after second group of voice of 20 again, then by predetermined the in voice superframesSpeech data in two 20ms periods, then substitute and send with the data except speech data and specific identifier thereof; With this type ofPush away, until all data are sent;
(2), at the receiving terminal of professional wireless telecommunications system, obtain continuously 20ms*N, N is more than or equal to after first group of voice of 20,The data except speech data and specific identifier thereof in the predetermined 20ms period in voice superframes are obtained and locatedReason; Continue to obtain 20ms*N, N is more than or equal to after second group of voice of 20 again, then by the 2nd predetermined 20ms in voice superframesThe data except speech data and specific identifier thereof in period obtain and process; By that analogy, until all data receiversComplete;
The data except speech data within each predetermined 20ms period (11) and specific identifier thereof obtain and processMeanwhile, be filled into the corresponding speech data that is positioned at the 20ms period (12) before described predetermined 20ms period (11)In the described predetermined 20ms period (11), and as next group language data process.
2. professional wireless telecommunications system according to claim 1 transmits the data except speech data in voice communicationMethod, it is characterized in that: for the B-E frame in voice superframes, described specific identifier is located at the embedding signaling district of B-E frameIn territory, and data except speech data are located in E frame or next-door neighbour's F frame thereafter.
3. professional wireless telecommunications system according to claim 1 transmits the data except speech data in voice communicationMethod, it is characterized in that: for the F frame in voice superframes, described specific identifier is located at the embedding signaling area of F frameIn, and data except speech data are located in F frame.
4. professional wireless telecommunications system according to claim 1 transmits the data except speech data in voice communicationMethod, it is characterized in that: for the A-F frame in voice superframes, change specify or random A-F frame in any oneThe Error Correction of Coding of the data in block of speech or the algorithm that interweaves, use as specific identifier; And by the data except speech dataBe located in present frame.
5. pass in voice communication according to the professional wireless telecommunications system described in any one claim in claim 1-4The method of defeated data except speech data, is characterized in that: described data except speech data comprise signaling or letterBreath.
6. professional wireless telecommunications system according to claim 5 transmits the data except speech data in voice communicationMethod, it is characterized in that: described information comprises status information, positional information or pictorial information.
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| CN104703112A (en) * | 2013-12-06 | 2015-06-10 | 杭州优能通信系统有限公司 | Transmission method and communication system for transmitting satellite positioning information based on voice channel |
| CN104601284B (en) * | 2015-01-13 | 2019-02-12 | 哈尔滨海能达科技有限公司 | A kind of method, apparatus and system of data information transfer |
| CN106255084B (en) * | 2016-08-08 | 2019-06-18 | 广州海格通信集团股份有限公司 | In voice channel transmission, the method and its system of reception non-voice information |
| CN108012040B (en) * | 2016-10-31 | 2020-11-17 | 海能达通信股份有限公司 | Narrow-band-based data transmission method and terminal |
| CN108566681B (en) * | 2018-02-02 | 2021-07-09 | 福建科立讯通信有限公司 | Method for interrupting call transmitting end in narrow-band wireless digital communication system |
| CN110380753B (en) * | 2019-07-05 | 2021-06-15 | 浙江大华技术股份有限公司 | Intercom and intercom system |
| CN112787751B (en) * | 2019-11-11 | 2023-03-24 | 海能达通信股份有限公司 | Data transmission method, data receiving method and related device |
| CN112995933B (en) * | 2021-04-27 | 2021-08-17 | 广州慧睿思通科技股份有限公司 | Interphone, communication method thereof, electronic equipment and storage medium |
| CN113314128B (en) * | 2021-05-27 | 2022-07-12 | 哈尔滨海能达科技有限公司 | Delayed access method, device and system for voice service and related products |
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| CN201876723U (en) * | 2010-11-26 | 2011-06-22 | 宋素杰 | Monitoring system |
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