CN101951302B - Processing method for realizing forcibly inserting signaling into voice conversation - Google Patents
Processing method for realizing forcibly inserting signaling into voice conversation Download PDFInfo
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- CN101951302B CN101951302B CN 201010276704 CN201010276704A CN101951302B CN 101951302 B CN101951302 B CN 101951302B CN 201010276704 CN201010276704 CN 201010276704 CN 201010276704 A CN201010276704 A CN 201010276704A CN 101951302 B CN101951302 B CN 101951302B
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- 230000011664 signaling Effects 0.000 title claims abstract description 54
- 238000003672 processing method Methods 0.000 title claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000008520 organization Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The invention relates to a processing method for realizing forcibly inserting a signaling into a voice conversation. The method comprises the following steps: firstly, compressing voice in a digital mode so that the transmission rate thereof is less than the bandwidth of a wireless channel; then segmenting the voice, carrying out time division treatment on the wireless channel, organizing the spare bandwidth of the wireless channel and the voice in a form in accordance with the predefined frame, and sending into the air asynchronously or in a mode of being synchronous with transmitting equipment which runs at the moment; adopting a carrier sense mode to acquire an air wireless signal by a receiving party, carrying out synchronization by utilizing the air wireless signal, and resolving transmitted shunting instruction information, wherein the shunting command is the signaling; and enabling the signaling and the voice to utilize different channels in the frame, thus realizing forcibly inserting the signaling. The invention has the following advantages: the voice and the signaling are ensured not to conflict with each other; the voice and the shunting signaling operate in non-conflicting communication modes; when the voice is used, the signaling can be forcibly inserted, thus ensuring that the voice and the shunting operation can be carried out synchronously and the shunting signaling can not be lost due to signaling transmission and voice conversation.
Description
Technical field
The present invention relates to train radio flat shunting communication equipment field, particularly a kind of signaling that realizes is inserted the processing method of voice call by force, and this method is used for the communication of train radio flat shunting.
Background technology
In the flat shunting operation, wireless flat shunting equipment has progressively replaced original lamp and flag, becomes the effective tool of shunting.But in existing marshalling facilities, owing to equipment is reasons such as simulation standard, the signaling of shunting transmission and voice call often can not be carried out synchronously, so that can not receive the signaling of shunting simultaneously at the transmission voice, therefore, may cause the signaling of shunting to lose, and can cause the use trouble of flat shunting equipment.
Summary of the invention
Purpose of the present invention is exactly in view of above problem, a kind of technical scheme is provided, under the communication mode that does not conflict mutually, work with the signaling of shunting to guarantee voice, under this communication mode, the user is when using voice, can insert signaling by force, to guarantee carrying out synchronously of voice and shunting service.
For achieving the above object, the technical solution adopted in the present invention is: a kind of signaling that realizes is inserted the processing method of voice call by force, it is characterized in that, at first with voice digitization, and it is compressed, make its transmission rate less than wireless signal-path band width, then voice are carried out segmentation, divisional processing when wireless channel is carried out, with the vacant wireless signal-path band width that comes out and voice with the format organization that meets the predefine frame in wireless channel, by asynchronous or send in the air with the synchronous mode of the current transmitter that is moving; The recipient adopts the carrier sense mode to obtain the on-air radio signal, utilizes the on-air radio signal to carry out synchronously, and parses the command information of shunting of transmission, and the instruction of shunting is signaling; In use, signaling and voice use the different time-gap in the frame respectively, realize the signaling intrusion with this;
Described on-air radio channel adopts time division multiple access, and the time slot allocation of regulation on-air radio channel is: every 1S is a frame, and each frame comprises 10 time slots, and each time slot is divided into the voice time slot of 55ms, the data slot of 35ms and the guard time of 5ms again;
The 4FSK modulation system is adopted in the wireless data modulation, and transmission rate is 9600bps;
The voice time slot is formed and is comprised: 72bit lead code+48bit slot synchronization sign indicating number+72bit information loads+360bit speech payloads, and wherein speech payloads is being carried the voice signal of 100ms, and the 100ms voice signal is through digital speech compression and chnnel coding;
Data slot is formed and is comprised: 72bit lead code+48bit slot synchronization sign indicating number+144bit digital signalling load; Wherein digital signalling is through chnnel coding;
Whom the method for synchronization adopts whom initiates is the synchronisation source mode, and the recipient is synchronized with emission side;
The treating method comprises following steps:
(1) detects the situation that takies of air traffic channel before signaling emission side sends;
(2) if air traffic channel is taken by other or equipment of itself, then according to the voice slot synchronization of air traffic channel in other or equipment of itself, send signaling at data slot, realize the signaling interposing function;
If air traffic channel is not taken by other or equipment of itself, then according to self time slot transmission signaling, realize the signaling interposing function.
Advantage of the present invention is, by with voice digitization, compression and voice are carried out segmentation, and divisional processing when wireless channel carried out, shunt instruction and voice of order use different time-gap in the frame (both bandwidth are possible asymmetric) respectively, assurance voice and signaling are not conflicted mutually, can guarantee that like this voice work under the communication mode that does not conflict mutually with the signaling of shunting, under this communication mode, the user is when using voice, can insert signaling by force, guarantee carrying out synchronously of voice and shunting service, the signaling of shunting can often can not lost because of shunt signaling transmission and voice call synchronously, thereby has guaranteed the normal of flat shunting equipment, effectively operation.
Description of drawings
Fig. 1, voice and signalling time slot figure;
Envelope diagram is switched in Fig. 2, power transmitting-receiving.
Among the figure: Region A: the power elevated areas;
Region B: power stability zone;
Region C: power descends regional.
Embodiment
Describe the embodiment of the invention in detail below in conjunction with accompanying drawing:
The present invention is that a kind of signaling that realizes is inserted the processing method of voice call by force.Mainly be applicable to handheld device, station console equipment and head of district's platform equipment of wireless plane marshalling system, equipment works in the half-duplex state.
In the present embodiment; the on-air radio channel adopts tdma; the time slot allocation of regulation on-air radio channel as shown in Figure 1; wherein every 1S is a frame; each frame comprises 10 time slots; each time slot is divided into the voice time slot of 55ms, the data slot of 35ms and the guard time of 5ms again, and wherein, the guard time of 5ms is used to protect upgrading and decline and signal propagation delay on the power of PA (power amplifier).
The 4FSK modulation system is adopted in the wireless data modulation, and transmission rate is 9600bps.
Curve shown in Figure 2 is satisfied in the transmitting-receiving power switching of voice or data slot.
The voice time slot is formed and is comprised: 72bit lead code+48bit slot synchronization+72bit information loads+360bit speech payloads, wherein speech payloads is being carried the voice signal of 100ms, the 100ms voice signal improves the voice communication reliability through digital speech compression and chnnel coding.
Data slot is formed and is comprised: 72bit lead code+48bit slot synchronization+144bit digital signalling load.Wherein digital signalling improves the signaling communication reliability through chnnel coding.
Whom the method for synchronization adopts whom initiates is the synchronisation source mode, recipient synchronized transmissions side.
Concrete implementation step:
Before sending, step 1, signaling emission side detect the situation that takies of air traffic channel;
If step 2 air traffic channel is taken by other or equipment of itself, carry out step 3, otherwise carry out step 4;
According to the above description, in conjunction with the art prior art, can reproduce technical scheme of the present invention.
Claims (1)
1. realize that signaling inserts the processing method of voice call by force for one kind, it is characterized in that, at first with voice digitization, and it is compressed, make its transmission rate less than wireless signal-path band width, then voice are carried out segmentation, divisional processing when wireless channel is carried out, with the vacant wireless signal-path band width that comes out and voice with the format organization that meets the predefine frame in wireless channel, by asynchronous or send in the air with the synchronous mode of the current transmitter that is moving; The recipient adopts the carrier sense mode to obtain the on-air radio signal, utilizes the on-air radio signal to carry out synchronously, and parses the command information of shunting of transmission, and the instruction of shunting is signaling; In use, signaling and voice use the different time-gap in the frame respectively, realize the signaling intrusion with this;
Described on-air radio channel adopts time division multiple access, and the time slot allocation of regulation on-air radio channel is: every 1S is a frame, and each frame comprises 10 time slots, and each time slot is divided into the voice time slot of 55ms, the data slot of 35ms and the guard time of 5ms again;
The 4FSK modulation system is adopted in the wireless data modulation, and transmission rate is 9600bps;
The voice time slot is formed and is comprised: 72bit lead code+48bit slot synchronization sign indicating number+72bit information loads+360bit speech payloads, and wherein speech payloads is being carried the voice signal of 100ms, and the 100ms voice signal is through digital speech compression and chnnel coding;
Data slot is formed and is comprised: 72bit lead code+48bit slot synchronization sign indicating number+144bit digital signalling load, and wherein digital signalling is through chnnel coding;
Whom the method for synchronization adopts whom initiates is the synchronisation source mode, and the recipient is synchronized with emission side;
The treating method comprises following steps:
(1) detects the situation that takies of air traffic channel before signaling emission side sends;
(2) if air traffic channel is taken by other or equipment of itself, then according to the voice slot synchronization of air traffic channel in other or equipment of itself, send signaling at data slot, realize the signaling interposing function;
If air traffic channel is not taken by other or equipment of itself, then according to self time slot transmission signaling, realize the signaling interposing function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010276704 CN101951302B (en) | 2010-09-09 | 2010-09-09 | Processing method for realizing forcibly inserting signaling into voice conversation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010276704 CN101951302B (en) | 2010-09-09 | 2010-09-09 | Processing method for realizing forcibly inserting signaling into voice conversation |
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| Publication Number | Publication Date |
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| CN101951302A CN101951302A (en) | 2011-01-19 |
| CN101951302B true CN101951302B (en) | 2013-07-10 |
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| CN 201010276704 Expired - Fee Related CN101951302B (en) | 2010-09-09 | 2010-09-09 | Processing method for realizing forcibly inserting signaling into voice conversation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107040359B (en) * | 2017-05-08 | 2021-01-19 | 海能达通信股份有限公司 | Method, device and equipment for carrying channel associated signaling in voice calling process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1342350A (en) * | 1999-03-03 | 2002-03-27 | 诺基亚移动电话有限公司 | Method and system for realising fast control channel in cellular radio network |
| CN101729994A (en) * | 2008-10-17 | 2010-06-09 | 华南师范大学 | Call control method of public network IP trunked communication system |
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2010
- 2010-09-09 CN CN 201010276704 patent/CN101951302B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1342350A (en) * | 1999-03-03 | 2002-03-27 | 诺基亚移动电话有限公司 | Method and system for realising fast control channel in cellular radio network |
| CN101729994A (en) * | 2008-10-17 | 2010-06-09 | 华南师范大学 | Call control method of public network IP trunked communication system |
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| CN101951302A (en) | 2011-01-19 |
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