CN108566681A - A kind of method that call transmitting terminal is interrupted in narrowband radio digital communication system - Google Patents
A kind of method that call transmitting terminal is interrupted in narrowband radio digital communication system Download PDFInfo
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- CN108566681A CN108566681A CN201810108563.0A CN201810108563A CN108566681A CN 108566681 A CN108566681 A CN 108566681A CN 201810108563 A CN201810108563 A CN 201810108563A CN 108566681 A CN108566681 A CN 108566681A
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- terminal
- voice
- synchronization character
- interrupt requests
- frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
Abstract
A kind of method that call transmitting terminal is interrupted in narrowband radio digital communication system, the time-division multiple address system based on 2 time slots are included the following steps：(1) synchronization character of the interrupt requests of a lot of priority level is preset in each voice superframes, each voice superframes are made of six speech frames such as A, B, C, D, E and F frame, the centre of wherein A frames is voice synchronization character, and the synchronization character of the interrupt requests is set between E frames and F frames；(2) launch terminal emits voice, it receives terminal and is waiting for reception, when launch terminal emits voice, the subsequent time slot of E frames of each voice superframes is switched to reception pattern, and attempt to go the synchronization character of decoding matching interrupt requests, whether the synchronization character successful match of interrupt requests or not, the subsequent time slot of E frames just switches back into emission mode at the end of closing on；(3) terminal is received in reception state, when to initiate voice or data service, need to interrupt ability normal transmission after the calling of launch terminal.
Description
Technical field
The present invention relates to the communications fields, emit in particular to call is interrupted in a kind of narrowband radio digital communication system
The method at end.
Background technology
In narrow-band communication system, a voice communication is just in present channel activity, if there is the higher industry of priority
Business will make relatively low preferential in present channel in use, just it is necessary to interrupt just in the lower calling of movable and priority
Grade calling stops transmitting, discharges channel resource.Have at present and (when emitting voice, is being sent out using the method for stealing speech frame
Request is interrupted in the position for penetrating some speech frame for receiving to wait for, crossed this position and switched to continue again to emit voice) it realizes
Call is interrupted, but the drawbacks of the method is the damage that can cause voice, the decline of sound quality.
Invention content
The present invention is to provide a kind of method that call transmitting terminal is interrupted in narrowband radio digital communication system, main mesh
Be overcome the problems, such as it is existing interrupt call transmitting terminal method can cause the damage of voice, the decline of sound quality.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of method that call transmitting terminal is interrupted in narrowband radio digital communication system, the time division multiple acess system based on 2 time slots
System carries out, and includes the following steps：
(1) synchronization character of the interrupt requests of a lot of priority level, each voice are preset in each voice superframes
Superframe is made of six speech frames such as A, B, C, D, E and F frame, and the centre of wherein A frames is voice synchronization character, the interrupt requests
Synchronization character is set between E frames and F frames；
(2) launch terminal emits voice, receives terminal and is waiting for reception, when launch terminal emits voice, Mei Geyu
The subsequent time slot of E frames of sound superframe is switched to reception pattern, and attempts to go the synchronization character of decoding matching interrupt requests, no matter
Whether the synchronization character successful match of interrupt requests, the subsequent time slot of E frames just switches back into emission mode at the end of closing on；If hair
The synchronization character for penetrating decoding terminals matching interrupt requests is unsuccessful, then the synchronization character for ignoring interrupt requests continues to keep sending language
Sound；It is excellent when the synchronization character of interrupt requests that decoding is matched to if the synchronization character success of launch terminal decoding matching interrupt requests
First rank is less than or equal to own priority, then ignores the synchronization character of interrupt requests, continues to send voice；When decoding is matched to
The priority of the synchronization character of interrupt requests is higher than own priority, it is meant that receives effective interrupt requests, transmitting at this time is eventually
After the completion of end can emit current voice superframes, followed by emit voice end frame, terminate transmitting flow and is switched to reception
Pattern goes to wait for；
(3) terminal is received in reception state, when to initiate voice or data service, need to interrupt the calling of launch terminal
After could normal transmission switch to emission mode after E frames in the case when receiving terminal and receiving, send interrupt requests
Synchronization character, reception pattern switched back into after distributing at once continue to wait for, and start a timer and check launch terminal
Whether stopping emits；When until timer does not all check the end frame or present channel sky of launch terminal after spilling
Spare time indicates that the priority for receiving terminal is less than the priority of launch terminal, and launch terminal can not be interrupted by receiving terminal, be received at this time
Failure is interrupted in terminal prompts transmitting；Before timer overflows, the end frame of launch terminal or current letter have been checked
Road is idle, it is meant that the priority for receiving the priority ratio launch terminal of terminal is high, and receives terminal and successfully interrupted hair
The transmitting of terminal is penetrated, receiving terminal at this time with normal transmission and can start relevant transmitting flow.
Further, the time span of the voice superframes is 360ms.
Further, the size of the synchronization character of interrupt requests is 48bit, time span 5ms in the step (1).
By the above-mentioned description of this invention it is found that compared to the prior art, the invention has the advantages that：The present invention uses
Completely new interrupts method, and this method avoid the modes of speech frame steathily, does not influence the damage of voice and the decline of sound quality.Meanwhile
This method is designed with priority level, and high priority can interrupt low priority, but low priority can not interrupt high priority,
And priority level synchronization character has been only used, and other parameters are not carried, it is easily and conveniently matched in this way by decoding, raising pair
Side decodes matched efficiency.
Description of the drawings
Fig. 1 is the sequence diagram that voice transmission terminal of the present invention is interrupted.
Specific implementation mode
Referring to Fig.1.A kind of method that call transmitting terminal is interrupted in narrowband radio digital communication system, based on 2 time slots when
Division multiple access system carries out, and includes the following steps：
(1) synchronization character of the interrupt requests of a lot of priority level, each voice are preset in each voice superframes
Superframe is made of six speech frames such as A, B, C, D, E and F frame, and the centre of wherein A frames is voice synchronization character, the interrupt requests
Synchronization character is set between E frames and F frames.The time span of the voice superframes be 360ms, the synchronization character of the interrupt requests it is big
Small is 48bit, time span 5ms.The synchronization character of the interrupt requests designed in this step only has 5ms, and there are enough time use
Come the switching for emitting and receiving.
(2) launch terminal MS1 emits voice, receives terminal MS 2 and receives waiting for, launch terminal MS1 transmitting voice when
It waits, the subsequent time slot of E frames of each voice superframes is switched to reception pattern, and attempts to go the same of decoding matching interrupt requests
Word is walked, whether the synchronization character successful match of interrupt requests or not, the subsequent time slot of E frames just switches back into transmitting at the end of closing on
Pattern；If the synchronization character of launch terminal MS1 decoding matching interrupt requests is unsuccessful, the synchronization character for ignoring interrupt requests continues
It keeps sending voice；If the synchronization character success of launch terminal MS1 decoding matching interrupt requests, when the interrupt requests that decoding is matched to
Synchronization character priority level be less than or equal to own priority, then ignore the synchronization character of interrupt requests, continue send voice；
When the priority that decoding is matched to the synchronization character of interrupt requests is higher than own priority, it is meant that receive effective interrupt and ask
It asks, after the completion of launch terminal MS1 can emit current voice superframes at this time, followed by emits voice end frame Term, terminate
Emit flow and be switched to reception pattern and goes to wait for；
(3) terminal MS 2 is received in reception state, when to initiate voice or data service, need to interrupt launch terminal MS1
Calling after could normal transmission, in the case, when receive terminal MS 2 receive E frames after switch to emission mode, send
The synchronization character of interrupt requests switches back into reception pattern and continues to wait at once after distributing, and starts a timer Timer and come
Check whether launch terminal MS1 stops emitting；When until timer Timer does not check launch terminal MS1 after spilling
End frame or present channel it is idle, indicate that the priority for receiving terminal MS 2 is less than the priority of launch terminal MS1, receive
Terminal MS 2 can not interrupt launch terminal MS1, receive terminal MS 2 at this time and suggest that failure is interrupted in transmitting；When in timer Timer
Before spilling, end frame or the present channel for having checked launch terminal MS1 are idle, it is meant that receive the excellent of terminal MS 2
First grade is higher than the priority of launch terminal MS1, and receives the transmitting that terminal MS 2 has successfully interrupted launch terminal MS1, connects at this time
Receiving terminal MS 2 with normal transmission and can start relevant transmitting flow.
The specific implementation mode of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this
Conceive the change for carrying out unsubstantiality to the present invention, the behavior for invading the scope of the present invention should all be belonged to.
Claims (3)
1. a kind of method for interrupting call transmitting terminal in narrowband radio digital communication system, the time-division multiple address system based on 2 time slots
It carries out, it is characterised in that：Include the following steps：
(1) synchronization character of the interrupt requests of a lot of priority level, each voice superframes are preset in each voice superframes
It is made of six speech frames such as A, B, C, D, E and F frame, the centre of wherein A frames is voice synchronization character, the synchronization of the interrupt requests
Word is set between E frames and F frames；
(2) launch terminal emits voice, receives terminal and is waiting for reception, when launch terminal emits voice, each voice is super
The subsequent time slot of E frames of frame is switched to reception pattern, and attempts to go the synchronization character of decoding matching interrupt requests, no matter it interrupts
Whether the synchronization character successful match of request, the subsequent time slot of E frames just switches back into emission mode at the end of closing on；If transmitting is eventually
The synchronization character of end decoding matching interrupt requests is unsuccessful, then the synchronization character for ignoring interrupt requests continues to keep sending voice；If
The synchronization character success of launch terminal decoding matching interrupt requests, when the priority level of the synchronization character for the interrupt requests that decoding is matched to
Less than or equal to own priority, then the synchronization character of interrupt requests is ignored, continues to send voice；It is asked when decoding is matched to interruption
The priority for the synchronization character asked is higher than own priority, it is meant that receives effective interrupt requests, launch terminal can incite somebody to action at this time
After the completion of current voice superframes transmitting, followed by emit voice end frame, terminates transmitting flow and be switched to reception pattern
It waits for；
(3) terminal is received in reception state, when to initiate voice or data service, need to interrupt ability after the calling of launch terminal
Energy normal transmission switches to emission mode after receiving terminal and receiving E frames, sends the same of interrupt requests in the case
Word is walked, reception pattern is switched back into after distributing at once and continues to wait for, and starts a timer whether to check launch terminal
Stop transmitting；When until timer does not all check end frame or the present channel free time of launch terminal, table after spilling
Show that the priority for receiving terminal is less than the priority of launch terminal, launch terminal can not be interrupted by receiving terminal, receive terminal at this time
Suggest that failure is interrupted in transmitting；Before timer overflows, end frame or the present channel for having checked launch terminal are empty
It is not busy, it is meant that the priority for receiving the priority ratio launch terminal of terminal is high, and receives terminal and successfully interrupted transmitting eventually
The transmitting at end, receiving terminal at this time with normal transmission and can start relevant transmitting flow.
2. the method for interrupting call transmitting terminal in a kind of narrowband radio digital communication system as described in claim 1, feature
It is：The time span of the voice superframes is 360ms.
3. the method for interrupting call transmitting terminal in a kind of narrowband radio digital communication system as described in claim 1, feature
It is：The size of the synchronization character of interrupt requests is 48bit, time span 5ms in the step (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108563.0A CN108566681B (en) | 2018-02-02 | 2018-02-02 | Method for interrupting call transmitting end in narrow-band wireless digital communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108563.0A CN108566681B (en) | 2018-02-02 | 2018-02-02 | Method for interrupting call transmitting end in narrow-band wireless digital communication system |
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| CN108566681A true CN108566681A (en) | 2018-09-21 |
| CN108566681B CN108566681B (en) | 2021-07-09 |
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| CN201810108563.0A Active CN108566681B (en) | 2018-02-02 | 2018-02-02 | Method for interrupting call transmitting end in narrow-band wireless digital communication system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109787675A (en) * | 2018-12-06 | 2019-05-21 | 安徽站乾科技有限公司 | A kind of data analysis method based on satellite voice channel |
| CN110248419A (en) * | 2018-10-23 | 2019-09-17 | 浙江大华技术股份有限公司 | A kind of method and device that communication service is interrupted |
| CN111314867A (en) * | 2019-05-13 | 2020-06-19 | 展讯通信（上海）有限公司 | Voice transmission and receiving method and device of DMR system, storage medium and terminal |
| CN111918221A (en) * | 2020-07-28 | 2020-11-10 | 福建北峰通信科技股份有限公司 | Digital intercom system with comprehensive communication interruption function |
| CN112218291A (en) * | 2019-07-12 | 2021-01-12 | 海能达通信股份有限公司 | Voice communication method, base station, mobile terminal, and computer-readable storage medium |
| CN113038534A (en) * | 2021-02-26 | 2021-06-25 | 海能达通信股份有限公司 | Call interruption method in narrowband ad hoc network and related device |
| WO2022178816A1 (en) * | 2021-02-26 | 2022-09-01 | 海能达通信股份有限公司 | Call interruption method in narrowband ad hoc network and related apparatus |
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| CN103391518A (en) * | 2013-08-05 | 2013-11-13 | 深圳市森虎科技有限公司 | Method for transmitting data except for voice data in special wireless voice communication |
| CN103703824A (en) * | 2013-03-05 | 2014-04-02 | 华为技术有限公司 | Treatment for business interruption and related device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248419A (en) * | 2018-10-23 | 2019-09-17 | 浙江大华技术股份有限公司 | A kind of method and device that communication service is interrupted |
| CN110248419B (en) * | 2018-10-23 | 2022-08-09 | 浙江芯昇电子技术有限公司 | Method and device for interrupting communication service |
| CN109787675A (en) * | 2018-12-06 | 2019-05-21 | 安徽站乾科技有限公司 | A kind of data analysis method based on satellite voice channel |
| CN111314867A (en) * | 2019-05-13 | 2020-06-19 | 展讯通信（上海）有限公司 | Voice transmission and receiving method and device of DMR system, storage medium and terminal |
| CN112218291A (en) * | 2019-07-12 | 2021-01-12 | 海能达通信股份有限公司 | Voice communication method, base station, mobile terminal, and computer-readable storage medium |
| CN112218291B (en) * | 2019-07-12 | 2023-12-19 | 海能达通信股份有限公司 | Voice communication method, base station, mobile terminal and computer readable storage medium |
| CN111918221A (en) * | 2020-07-28 | 2020-11-10 | 福建北峰通信科技股份有限公司 | Digital intercom system with comprehensive communication interruption function |
| CN113038534A (en) * | 2021-02-26 | 2021-06-25 | 海能达通信股份有限公司 | Call interruption method in narrowband ad hoc network and related device |
| WO2022178816A1 (en) * | 2021-02-26 | 2022-09-01 | 海能达通信股份有限公司 | Call interruption method in narrowband ad hoc network and related apparatus |
| CN113038534B (en) * | 2021-02-26 | 2023-04-07 | 海能达通信股份有限公司 | Call interruption method in narrowband ad hoc network and related device |
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| CN108566681B (en) | 2021-07-09 |
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