CN108200656A - Channel seizes system and method - Google Patents
Channel seizes system and method Download PDFInfo
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- CN108200656A CN108200656A CN201810133623.4A CN201810133623A CN108200656A CN 108200656 A CN108200656 A CN 108200656A CN 201810133623 A CN201810133623 A CN 201810133623A CN 108200656 A CN108200656 A CN 108200656A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 108091006146 Channels Proteins 0.000 claims abstract description 367
- 230000004044 response Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 38
- 238000010586 diagram Methods 0.000 description 15
- 238000004891 communication Methods 0.000 description 6
- 230000011664 signaling Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 208000002173 dizziness Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1694—Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/10—Arrangements for reducing cross-talk between channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
-
- 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
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- Computer Networks & Wireless Communication (AREA)
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- Multimedia (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of channels to seize system and method, and the channel is seized system and included：First intercom and the second intercom；First intercom seizes frame in response to channel preemption instructions input by user, generation channel, and channel is seized frame is sent to the second intercom；Second intercom is seized frame to channel and is parsed, it obtains channel and seizes type and channel logo to be seized, type is seized according to channel and determines whether that channel is seized according to preset rules, if channel is allowed to seize, terminate and the first business information is sent by the corresponding channel of seizing of channel logo to be seized；First intercom assert that channel seizes success in the command for stopping for receiving the transmission of the second intercom, and business information to be sent is sent by channel to be seized.The present invention sends channel by the first intercom and seizes frame to the second intercom, and to seize the channel of the second intercom occupancy, what the business between intercom that reduces was sent interferes with each other, and avoids single intercom or business long-time busy channel.
Description
Technical field
The present invention relates to wireless communication technology fields more particularly to channel to seize system and method.
Background technology
Digital mobile radio (Digital Mobile Radio, DMR) agreement is that the digital walkie-talkie that Europe is formulated makes
Consensus standard, entitled 102 361X of ETSI TS of etsi standard.Time division multiple acess uses (Time Divide Multi
Address, TDMA) double slotted modes, realize that a physical channel carries two logic channels, while carries two-way business.DMR
Protocol definition backward channel (Reverse Channel, RC), as shown in Figure 1, when intercom is in a time slot, i.e., it is preceding to letter
When road (Forward Channel) sends business, it can be connect in another time slot, i.e. backward channel (Reverse Channel)
Receipts business.DMR Tier II define straight-through and two kinds of basic networking modes of transfer, are referred to as normal mode.Normal mode
When intercom sends business, if having had another intercom in transmitting business, if the intercom forces transmitting, Ke Nengzao
It is interfered with each other between two intercoms, business is caused to send quality bad.How two intercoms are avoided in the business of transmission
It interferes with each other and is a technical problem to be solved urgently.
The above is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that the above is existing skill
Art.
Invention content
It is a primary object of the present invention to provide a kind of channel to seize system and method, it is intended to solve two intercoms and send out
The technical issues of being interfered with each other when sending business.
To achieve the above object, the present invention provides a kind of channel and seizes system, and the channel is seized system and included：First pair
Say machine and the second intercom；
First intercom, in response to channel preemption instructions input by user, generation channel seizes frame, and by institute
It states channel and seizes frame and be sent to second intercom；
Second intercom, parses for seizing frame to the channel, obtains channel and seizes type and wait to seize
Channel logo seizes type according to the channel and determines whether that channel is seized according to preset rules, if channel is allowed to seize,
It then terminates and the first business information is sent by the corresponding channel of seizing of the channel logo to be seized；
First intercom is additionally operable to, when receiving the command for stopping that second intercom is sent, assert channel
Success is seized, and passes through the channel of seizing and sends business information to be sent.
Preferably, first intercom is additionally operable to receive second intercom in the first time slot and be robbed by described
Account for channel transmission the first business information when, judge whether the second time slot idle, if second time slot is idle, in response to
The channel preemption instructions of family input, generation channel seize frame, and the channel is seized frame in second time slot and is sent to institute
State the second intercom.
Preferably, second intercom is additionally operable to when the channel is seized type and seized for higher-level user, is obtained
The second user rank of first user class of first intercom and second intercom, in first user class
During higher than the second user rank, channel is allowed to seize.
Preferably, second intercom is additionally operable to, when the channel is seized type and seized for advanced various-service, obtain
First type of service of the type of service to be sent of the business to be sent and first business information, in the industry to be sent
During the rank for being superior to first type of service of service type, channel is allowed to seize.
Preferably, first intercom is additionally operable to, when assert that channel is seized successfully, pass through user's interface display channel
Successful information is seized, user to be prompted to send business information to be sent by the channel to be seized.
In addition, to achieve the above object, the present invention also provides a kind of lchannel preempting method, the lchannel preempting method is based on
Channel seizes system, and the channel is seized system and included：First intercom and the second intercom；
The lchannel preempting method includes the following steps：
For first intercom in response to channel preemption instructions input by user, generation channel seizes frame, and by the letter
Road seizes frame and is sent to second intercom；
Second intercom is seized frame to the channel and is parsed, and obtains channel and seizes type and channel mark to be seized
Know；
Second intercom seizes type according to the channel and determines whether that channel is seized according to preset rules；
If second intercom allows channel to seize, terminate by described that channel logo to be seized is corresponding seizes letter
Road sends the first business information；
First intercom assert that channel is seized into when receiving the command for stopping that second intercom is sent
Work(, and pass through the channel of seizing and send business information to be sent.
Preferably, for first intercom in response to channel preemption instructions input by user, generation channel seizes frame, and will
The channel is seized frame and is sent to before second intercom, and the lchannel preempting method further includes：
First intercom the first time slot receive second intercom by it is described seize channel and send the
During one business information, judge whether the second time slot is idle, if second time slot is idle, perform described in response to user's input
Channel preemption instructions, generation channel the step of seizing frame；
Correspondingly, it is described the channel is seized into frame to be sent to second intercom, it specifically includes：
The channel is seized into frame in second time slot and is sent to second intercom.
Preferably, second intercom seizes type according to the channel and determines whether channel according to preset rules
It seizes, specifically includes：
Second intercom obtains first intercom when the channel is seized type and seized for higher-level user
The first user class and second intercom second user rank, first user class higher than described second use
During the rank of family, channel is allowed to seize.
Preferably, second intercom seizes type according to the channel and determines whether channel according to preset rules
It seizes, specifically includes：
Second intercom obtains the business to be sent when the channel is seized type and seized for advanced various-service
Type of service to be sent and first business information the first type of service, it is high in the rank of the type of service to be sent
When the rank of first type of service, channel is allowed to seize.
Preferably, first intercom assert channel when receiving the command for stopping that second intercom is sent
After seizing successfully, the lchannel preempting method further includes：
First intercom seizes successful information by user's interface display channel, user to be prompted to be seized by described
Channel sends business information to be sent
Channel is sent by the first intercom in the present invention and seizes frame to the second intercom, to seize the transmission of the second intercom
The channel of first business information, reduce intercom between business send interfere with each other, when avoiding single intercom or professional chief
Between busy channel.
Description of the drawings
Fig. 1 is existing DMR agreements forward channel and backward channel schematic diagram；
Fig. 2 is the structure diagram that channel of the present invention seizes system first embodiment；
Fig. 3 is existing DMR agreements CSBK common data structure figures；
Fig. 4 is the extension CSBK data structure diagrams that channel of the present invention seizes system first embodiment；
Fig. 5 is the structure diagram for the direct mode operation application scenarios that channel of the present invention seizes system first embodiment；
Fig. 6 is the structure diagram for the transfer mode application scenarios that channel of the present invention seizes system first embodiment；
Fig. 7 is the flow diagram of lchannel preempting method first embodiment of the present invention；
Fig. 8 is the flow diagram of lchannel preempting method second embodiment of the present invention；
Fig. 9 is the flow diagram of lchannel preempting method 3rd embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Fig. 2, Fig. 2 is the structure diagram that channel of the present invention seizes system first embodiment, with reference to Fig. 2, this is proposed
Invention channel seizes the first embodiment of system.
The channel is seized system and is included：First intercom 10 and the second intercom 20.
It will be appreciated that the communication between first intercom 10 and second intercom 20 can be direct mode operation
It communicates, can also be communicated by transfer mode, the present embodiment does not limit this.
First intercom 10, in response to channel preemption instructions input by user, generation channel to seize frame, and will
The channel seizes frame and is sent to second intercom 20.
In the concrete realization, in order to which that reduces that business between the machine of saying sends interferes with each other, first intercom 10 is being sent out
When sending business to be sent, it can first send channel and seize frame to second intercom 20, be seized with carrying out channel.Described first pair
Say machine 10, be additionally operable to the first time slot receive second intercom 20 pass through it is described seize channel send the first business believe
During breath, judge whether the second time slot is idle, if second time slot is idle, in response to channel preemption instructions input by user,
Generation channel seizes frame, and the channel is seized frame in second time slot and is sent to second intercom 20.
It should be noted that first intercom 10 receives the signal of channel, second intercom in the first time slot
20 send the first business information in first time slot, and second intercom 20 is in the first time slot transmission the of the bis- time slots of TDMA
One business information receives complete TDMA frame in the second time slot.When the second time slot, which receives the channel, seizes frame, according to user
It is predefined to judge whether that seizing frame to the channel parses, for example when first business information is urgency traffic, can determine
Justice is parsed not seize frame to the channel.
Second intercom 20, parses for seizing frame to the channel, obtains channel and seizes type and wait to rob
Channel logo is accounted for, seize type according to the channel determines whether that channel is seized according to preset rules, if channel is allowed to rob
It accounts for, then terminates and the first business information is sent by the corresponding channel of seizing of the channel logo to be seized.
It should be understood that the channel logo to be seized can be used for determine it is corresponding seize channel, the channel seizes frame
Data type can extend DMR agreements reservation data type, control signaling block (Control can also be extended
Signalling Block, CSBK).As shown in figure 3, Fig. 3 is existing DMR agreements CSBK common data structure figures, the present embodiment
For extending CSBK, Fig. 4 be the present embodiment extension CSBK data structure diagrams, the channel seize can be extended to one it is complete
The burst of whole 30ms, such as Fig. 4, therefore more rich information can be carried, redundancy check mechanism has higher reliability.Figure
In 4, CSBKO can be defined as agreement retention, such as 0x30, and traffic frame and other traffic frames are seized for distinct channel；CSR is
Channel Seize Reason seize type for identifying the channel, such as：0x00 is seized for advanced various-service, 0x01
Seized for higher-level user, 0x02 be callback seize, 0x03 be transmitting prescribe a time limit (Time Out Timer, TOT) seize or 0x04
For forcible aborting channel etc.；SST, that is, Subsequent Service Type are follow-up business type, and seizing type when channel is
When advanced various-service is seized, with SST identify follow-up business type, for example, it may be possible to type of service have：0x00 is exhales, 0x01
Exhaled for group, 0x02 be broadcast ＆ call, 0x03 for generally call, 0x04 is urgency traffic, 0x05 is data service, 0x06 is commonly to supplement
Business, 0x07 are remote monitoring and 0x08 is distant dizzy/activation etc.；Target address are to receive pair that channel seizes traffic frame
Say the device identification (Identification, ID) of machine；Source address are to send the intercom that channel seizes traffic frame
ID.If channel is seized reason and seized for higher-level user, the rank of user is judged by this ID.
It will be appreciated that seize type in itself there are during priority level in the channel, the preset rules can be according to
The channel is seized the corresponding priority level of type and is configured, such as：The channel is seized type and is seized for advanced various-service
When, the business higher to rank allows channel to seize.Type is being seized there is no during priority according to the channel, it is described default
Rule can be user-defined priority rule.
Such as：As shown in figure 5, Fig. 5 is the structure diagram of the present embodiment direct mode operation application scenarios, first intercom
10 receive the voice of the transmission of the second intercom 20 by Traffic Channel, they are communicated by direct mode operation, the industry
Business channel, that is, first time slot.First intercom 10 needs reply voice information to work as institute to second intercom 20
The first intercom is stated in response to push-to-talk input by user (Push To Talk, PTT), first intercom 10 detects
The channel of seizing is occupied by second intercom 20.First intercom 10 is by backward channel to second intercommunication
Machine 20 sends channel and seizes frame, and the backward channel, that is, second time slot is robbed at this point, the channel seizes type for callback
It accounts for.Second intercom 20 sends voice to first intercom 10 in the first time slot, and described the is received in the second time slot
The channel that one intercom 10 is sent seizes frame.When the channel that the transmission of the first intercom 10 is received in second time slot is robbed
When accounting for frame, determine whether that channel is seized according to the type of seizing, the channel is seized type and seized for callback, according to institute
It states preset rules to be judged to that channel is allowed to seize, then second intercom 20 stops the first business of first time slot immediately
The transmission of information, but calling can not be exited, the voice that first intercom 10 to be received is sent in first time slot is waited to return
Exhale information.
It will be appreciated that the communication channel between 10 and second intercom 20 of the first intercom, can be straight-through letter
Road or transfer channel.Such as：As shown in fig. 6, Fig. 6 is the structure diagram of the present embodiment transfer mode application scenarios, institute
It states the second intercom 20 and sends audio call in first time slot, first time slot is the channel forward, and described the
One business information is the audio call, and the audio call is forwarded by intermediate station 30, detected by first intercom 10
It arrives, first intercom 10 is not the participant of the audio call.It is described when first intercom 10 initiation emergency alarm
First intercom 10, which detects, described to be seized channel and is occupied by second intercom 20.First intercom 10 is described
Two time slots send channel to second intercom 20 and seize frame, and channel is seized type and seized for advanced various-service, industry to be sent
Business information is emergency alarm business.Second intercom 20 sends audio call in first time slot, at described second
Gap receives the signal of intermediate station.Frame is seized when receiving the channel that first intercom 10 sends in second time slot, is sentenced
Whether the rank for the emergency alarm business of breaking is higher than the rank of voice call service oneself sent.If emergency alarm
Business-level is high, then second intercom 20 stops the transmission of the audio call of first time slot immediately, and prompts user
The channel of seizing is preempted；If emergency alarm business-level is low, the hair of the audio call of first time slot is not stopped
It send.
First intercom 10 is additionally operable to, when receiving the command for stopping that second intercom 20 is sent, assert
Channel seizes success, and passes through the channel to be seized and send business information to be sent.
In the concrete realization, first intercom is when receiving the command for stopping that second intercom 20 is sent,
Assert that channel seizes success, then can be shown and believed by the user interface (User Interface, UI) of first intercom 10
Successful information is seized in road, and user to be prompted to send business information to be sent by the channel to be seized, user passes through the use
Family interface checks that channel seizes successful information, so that the transmission of business to be sent is carried out in time, in the present embodiment, described first pair
It says machine 10, is additionally operable to, when assert that channel is seized successfully, successful information be seized by user's interface display channel, to prompt user
Business information to be sent is sent by the channel to be seized.
The present embodiment sends channel by the first intercom and seizes frame to the second intercom, to seize the second intercom hair
Send the channel of the first business information, what the business between intercom that reduces was sent interferes with each other, and avoids single intercom or professional chief
Time busy channel.
Further, system first embodiment is seized based on above-mentioned channel of the present invention shown in Fig. 2, proposes channel of the present invention
Seize the second embodiment of system.
In a second embodiment, second intercom 20 is additionally operable to seize type as higher-level user in the channel
When seizing, the first user class of first intercom and the second user rank of second intercom are obtained, described
When first user class is higher than the second user rank, channel is allowed to seize.
It is parsed it should be understood that seizing frame to the channel, obtains channel and seize type, class is seized in the channel
When type is that higher-level user seizes, the device identification (ID) that can extract out first intercom is seized from the channel in frame,
The first user class of first intercom is determined according to the device identification of first intercom 10, while can be obtained described
The device identification of second intercom 20 determines the of second intercom 20 by the device identification of second intercom 20
First user class and the second user rank are compared by two user class, if first user class is high
In the second user rank, then second intercom 20 terminates the transmission of the first business information of first time slot；If
First user class is less than the second user rank, then second intercom 20 does not terminate the of first time slot
The transmission of one business information.
Such as：The device identification of first intercom 10 is 01, and corresponding first user class is A；Described
The device identification of two intercoms 20 is 02, and the corresponding second user rank is B, wherein, the height of user class is higher than for A
B, then when the channel of first intercom 10 transmission is seized type and seized for higher-level user, second intercom
20 permission channels are seized, and terminate the transmission of first business information, to seize channel described in release.
The present embodiment, by when the channel is seized type and seized for higher-level user, if first intercom 10
The first user class be higher than the second user rank of second intercom 20, then second intercom 20 allows channel to rob
It accounts for, the transmission of first business information is terminated, to seize channel described in release so that the first intercom 10 of higher-level user
It is capable of the carry out business transmission of high quality, reduces the interference of second intercom 20, improves user experience.
Further, system first embodiment is seized based on above-mentioned channel of the present invention shown in Fig. 2, proposes channel of the present invention
Seize the 3rd embodiment of system.
In the third embodiment, second intercom 20 is additionally operable to seize type as advanced various-service in the channel
When seizing, the type of service to be sent of the business to be sent and the first type of service of first business information are obtained,
During the rank for being superior to first type of service of the type of service to be sent, channel is allowed to seize.
It is parsed it should be noted that seizing frame to the channel, obtains channel and seize type, seized in the channel
When type is that advanced various-service is seized, the to be sent industry that can extract out first intercom 10 is seized from the channel in frame
The type of service to be sent of business, while the first business information that second intercom 20 is sent in first time slot can be obtained
The first type of service, the type of service to be sent and first type of service are subjected to rank comparison.If described treat
It sends type of service and is superior to first type of service, then second intercom 20 allows channel to seize, and terminate institute
State the transmission of the first business information of the first time slot；If the type of service rank to be sent is less than first service class
Type, then second intercom does not allow channel to seize, and does not terminate the transmission of the first business information of first time slot.
The receiving terminal of the advanced various-service may include second intercom 20, also may not include second intercom 20.
Such as：The channel is seized type and is seized for advanced various-service, and business information to be sent is emergency alarm business.Institute
It is voice call service that the second intercom 20, which is stated, in the first business information that first time slot is sent, when in second time slot
It receives the channel that first intercom 10 is sent and seizes frame, judge the rank of the emergency alarm business whether higher than oneself
The rank of the voice call service sent.If the emergency alarm business is superior to the audio call industry
The rank of business, then second intercom 20 stops the transmission of the voice call service of first time slot immediately, and carries
Show that channel is seized described in user to be preempted；If the rank of the emergency alarm business is less than the grade of the voice call service
Not, then the transmission of the voice call service of first time slot is not stopped.
It should be noted that second intercom 20 is when second time slot receives the channel and seizes frame, it is right
The channel is seized frame and is parsed, and obtains channel and seizes type, system can seize type according to the channel and judge whether end
The only transmission of first business information of first time slot；It is or aobvious by user interface (User Interface, UI)
Show that the channel received seizes type, user is prompted to seize type according to the channel and determines whether that channel is seized.
The present embodiment, by second intercom 20 when the channel is seized type and seized for advanced various-service, if
During the rank for being superior to first type of service of the type of service to be sent, channel is allowed to seize, so as to ensure height
The corresponding business to be sent of type of service to be sent of rank is capable of high quality and send, and business is sent out between reducing intercom
That send interferes with each other, and improves user experience.
In addition, seizing system first embodiment based on above-mentioned channel of the present invention shown in Fig. 2, with reference to Fig. 7, the present invention is proposed
The first embodiment of lchannel preempting method.
In the present embodiment, the lchannel preempting method seizes system based on the channel, and the channel is seized system and included：
First intercom and the second intercom；
The lchannel preempting method includes the following steps：
Step S10, first intercom seize frame in response to channel preemption instructions input by user, generation channel, and
The channel is seized into frame and is sent to second intercom.
It is carried out it will be appreciated that the communication between first intercom and second intercom can be direct mode operation
Communication, can also be communicated, the present embodiment does not limit this by transfer mode.
In the concrete realization, in order to which that reduces that business between the machine of saying sends interferes with each other, first intercom is being sent
During business to be sent, it can first send channel and seize frame to second intercom, be seized with carrying out channel.In the present embodiment, institute
Before stating step S10, the lchannel preempting method further includes：First intercom receives described second pair in the first time slot
Say machine by it is described seize channel send the first business information when, judge whether the second time slot idle, if second time slot
Free time, then execution is described in response to channel preemption instructions input by user, generates the step of channel seizes frame.Correspondingly, it is described
The channel is seized into frame and is sent to second intercom, is specifically included：The channel is seized into frame in second time slot
It is sent to second intercom.
It should be noted that first intercom receives the signal of channel in the first time slot, second intercom exists
First time slot sends the first business information, and second intercom sends the first business in the first time slot of the bis- time slots of TDMA
Information receives complete TDMA frame in the second time slot.When the second time slot, which receives the channel, seizes frame, predefined according to user
Judge whether that seizing frame to the channel parses, for example, first business information be urgency traffic when, may be defined as not
Frame is seized to the channel to parse.
Step S20, second intercom are seized frame to the channel and are parsed, and obtain channel and seize type and wait to rob
Account for channel logo.
It should be understood that the channel logo to be seized can be used for determine it is corresponding seize channel, the channel seizes frame
Data type can extend DMR agreements reservation data type, control signaling block (Control can also be extended
Signalling Block, CSBK).As shown in figure 3, Fig. 3 is existing DMR agreements CSBK common data structure figures, the present embodiment
For extending CSBK, Fig. 4 be the present embodiment extension CSBK data structure diagrams, the channel seize can be extended to one it is complete
The burst of whole 30ms, such as Fig. 4, therefore more rich information can be carried, redundancy check mechanism has higher reliability.Figure
In 4, CSBKO can be defined as agreement retention, such as 0x30, and traffic frame and other traffic frames are seized for distinct channel；CSR is
Channel Seize Reason seize type for identifying the channel, such as：0x00 is seized for advanced various-service, 0x01
Seized for higher-level user, 0x02 be callback seize, 0x03 be transmitting prescribe a time limit (Time Out Timer, TOT) seize or 0x04
For forcible aborting channel etc.；SST, that is, Subsequent Service Type are follow-up business type, and seizing type when channel is
When advanced various-service is seized, with SST identify follow-up business type, for example, it may be possible to type of service have：0x00 is exhales, 0x01
Exhaled for group, 0x02 be broadcast ＆ call, 0x03 for generally call, 0x04 is urgency traffic, 0x05 is data service, 0x06 is commonly to supplement
Business, 0x07 are remote monitoring and 0x08 is distant dizzy/activation etc.；Target address are to receive pair that channel seizes traffic frame
Say the device identification (Identification, ID) of machine；Source address are to send the intercom that channel seizes traffic frame
ID.If channel is seized reason and seized for higher-level user, the rank of user is judged by this ID.
Step S30, second intercom seize type according to the channel and determine whether letter according to preset rules
Road is seized.
Step S40 if second intercom allows channel to seize, is terminated and is corresponded to by the channel logo to be seized
Seize channel send the first business information.
It will be appreciated that seize type in itself there are during priority level in the channel, the preset rules can be according to
The channel is seized the corresponding priority level of type and is configured, such as：The channel is seized type and is seized for advanced various-service
When, the business higher to rank allows channel to seize.Type is being seized there is no during priority according to the channel, it is described default
Rule can be user-defined priority rule.
Such as：As shown in figure 5, Fig. 5 is the structure diagram of the present embodiment direct mode operation application scenarios, first intercommunication
Machine receives the voice of the second intercom transmission by Traffic Channel, they are communicated by direct mode operation, the business
Channel, that is, first time slot.First intercom needs reply voice information to second intercom, when described first
For intercom in response to push-to-talk input by user (Push To Talk, PTT), first intercom detects described seize
Channel is occupied by second intercom.First intercom sends channel to second intercom by backward channel and robs
Frame is accounted for, the backward channel, that is, second time slot is seized at this point, the channel seizes type for callback.Second intercommunication
Machine sends voice to first intercom in the first time slot, and the channel that the first intercom transmission is received in the second time slot is robbed
Account for frame.When the channel that the first intercom transmission is received in second time slot seizes frame, type is seized according to described
Determine whether that channel is seized, the channel is seized type and seized for callback, is judged to allowing letter according to the preset rules
Road is seized, then second intercom stops the transmission of the first business information of first time slot immediately, but can not exit and exhale
It cries, the voice Callback information that first intercom to be received is waited to be sent in first time slot.
It will be appreciated that the communication channel between first intercom and the second intercom, can be direct channel,
It can be transfer channel.Such as：As shown in fig. 6, Fig. 6 is the structure diagram of the present embodiment transfer mode application scenarios, it is described
Second intercom sends audio call, the as described channel forward of first time slot, first industry in first time slot
Business information is the audio call, and the audio call forwarded by intermediate station, detected by first intercom, described the
One intercom is not the participant of the audio call.When first intercom initiates emergency alarm, the first intercommunication machine examination
Channel is seized described in measuring to be occupied by second intercom.First intercom is in second time slot to described second pair
Say that machine sends channel and seizes frame, channel is seized type and seized for advanced various-service, and business information to be sent is emergency alarm business.
Second intercom sends audio call in first time slot, and the signal of intermediate station is received in second time slot.When
Second time slot receives the channel that first intercom is sent and seizes frame, and judging the rank of the emergency alarm business is
It is no higher than the rank of voice call service oneself sent.If emergency alarm business-level is high, second intercommunication
Machine stops the transmission of the audio call of first time slot immediately, and prompts to seize channel described in user and be preempted；It is if urgent
Alert service rank is low, then does not stop the transmission of the audio call of first time slot.
Step S50, first intercom assert channel when receiving the command for stopping that second intercom is sent
Success is seized, and passes through the channel of seizing and sends business information to be sent.
In the concrete realization, first intercom is recognized when receiving the command for stopping that second intercom is sent
Determine channel and seize success, then can show that channel is robbed by the user interface (User Interface, UI) of first intercom
Successful information is accounted for, user to be prompted to send business information to be sent by the channel to be seized, user passes through user circle
Face checks that channel seizes successful information, so that the transmission of business to be sent is carried out in time, in the present embodiment, first intercom
When receiving the command for stopping that second intercom is sent, after assert that channel is seized successfully, the lchannel preempting method
It further includes：First intercom seizes successful information by user's interface display channel, user to be prompted to be seized by described
Channel sends business information to be sent.
The present embodiment sends channel by the first intercom and seizes frame to the second intercom, to seize the second intercom hair
Send the channel of the first business information, what the business between intercom that reduces was sent interferes with each other, and avoids single intercom or professional chief
Time busy channel.
Further, based on above-mentioned lchannel preempting method first embodiment of the present invention shown in Fig. 7, with reference to Fig. 8, this is proposed
The second embodiment of invention lchannel preempting method.
In the present embodiment, the step S30 is specifically included：
Step S301, second intercom is when the channel is seized type and seized for higher-level user, described in acquisition
The second user rank of first user class of the first intercom and second intercom is higher than in first user class
During the second user rank, channel is allowed to seize.
It is parsed it should be understood that seizing frame to the channel, obtains channel and seize type, class is seized in the channel
When type is that higher-level user seizes, the device identification (ID) that can extract out first intercom is seized from the channel in frame,
The first user class of first intercom is determined according to the device identification of first intercom, while described can be obtained
The device identification of two intercoms determines the second user grade of second intercom by the device identification of second intercom
Not, first user class and the second user rank are compared, if first user class is higher than described the
The transmission of two user class, then the first business information of the second intercom termination first time slot；If described first uses
Family rank is less than the second user rank, then second intercom does not terminate the first business information of first time slot
It sends.
Such as：The device identification of first intercom is 01, and corresponding first user class is A；Second intercommunication
The device identification of machine is 02, and the corresponding second user rank is B, wherein, the height of user class is higher than B for A, then in institute
When stating the channel of the first intercom transmission and seizing type and seized for higher-level user, second intercom allows channel to rob
It accounts for, and terminates the transmission of first business information, to seize channel described in release.
The present embodiment, by when the channel is seized type and is seized for higher-level user, if first intercom
First user class is higher than the second user rank of second intercom, then second intercom allows channel to seize, eventually
The only transmission of first business information, to seize channel described in release so that the first intercom of higher-level user can be high
The carry out business transmission of quality reduces the interference of second intercom, improves user experience.
Further, based on above-mentioned lchannel preempting method first embodiment of the present invention shown in Fig. 7, with reference to Fig. 9, this is proposed
The 3rd embodiment of invention lchannel preempting method.
In the present embodiment, the step S30 is specifically included：
Step S302, second intercom is when the channel is seized type and seized for advanced various-service, described in acquisition
First type of service of the type of service to be sent of business to be sent and first business information, in the service class to be sent
During the rank for being superior to first type of service of type, channel is allowed to seize.
It is parsed it should be noted that seizing frame to the channel, obtains channel and seize type, seized in the channel
When type is that advanced various-service is seized, the to be sent business that can extract out first intercom is seized from the channel in frame
Type of service to be sent, while the of the first business information that second intercom is sent in first time slot can be obtained
The type of service to be sent and first type of service are carried out rank comparison by one type of service.It is if described to be sent
Type of service is superior to first type of service, then second intercom allows channel to seize, and terminate described first
The transmission of first business information of time slot；If the type of service rank to be sent is less than first type of service, institute
Stating the second intercom does not allow channel to seize, and does not terminate the transmission of the first business information of first time slot.The height
The receiving terminal of level traffic may include second intercom, also may not include second intercom.
Such as：The channel is seized type and is seized for advanced various-service, and business information to be sent is emergency alarm business.Institute
It is voice call service that the second intercom, which is stated, in the first business information that first time slot is sent, and is connect when in second time slot
It receives the channel that first intercom is sent and seizes frame, whether higher than oneself to judge the rank of the emergency alarm business
The rank of the voice call service sent.If the emergency alarm business is superior to the voice call service
Rank, then second intercom stops the transmission of the voice call service of first time slot immediately, and prompts user
The channel of seizing is preempted；If the rank of the emergency alarm business is less than the rank of the voice call service, no
Stop the transmission of the voice call service of first time slot.
It should be noted that second intercom is when second time slot receives the channel and seizes frame, to institute
It states channel and seizes frame and parsed, obtain channel and seize type, system can seize type according to the channel and judge whether to terminate
The transmission of first business information of first time slot；Or it is shown by user interface (User Interface, UI)
The channel received seizes type, and user is prompted to seize type according to the channel and determines whether that channel is seized.
The present embodiment, by second intercom when the channel is seized type and seized for advanced various-service, if institute
When stating the rank for being superior to first type of service of type of service to be sent, channel is allowed to seize, it is advanced so as to ensure
The corresponding business to be sent of other type of service to be sent is capable of high quality and send, and between reducing intercom business is sent
Interfere with each other, improve user experience.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or system institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.Word first, second, with
And the use of third etc. does not indicate that any sequence, can be title by these word explanations.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), used including some instructions so that a station terminal equipment (can be mobile phone, computer takes
Be engaged in device, air conditioner or the network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of channel seizes system, which is characterized in that the channel is seized system and included：First intercom and the second intercommunication
Machine；
First intercom, in response to channel preemption instructions input by user, generation channel seizes frame, and by the letter
Road seizes frame and is sent to second intercom；
Second intercom, parses for seizing frame to the channel, obtains channel and seizes type and channel to be seized
Mark, seizes type according to the channel and determines whether that channel is seized according to preset rules, if channel is allowed to seize, eventually
The first business information is only sent by the corresponding channel of seizing of the channel logo to be seized；
First intercom is additionally operable to when receiving the command for stopping that second intercom is sent, and assert that channel is seized
Success, and pass through the channel of seizing and send business information to be sent.
2. channel as described in claim 1 seizes system, which is characterized in that first intercom is additionally operable at first
Gap receive second intercom by it is described seize channel send the first business information when, judge whether the second time slot empty
In the spare time, if second time slot is idle, in response to channel preemption instructions input by user, generation channel seizes frame, and described
The channel is seized frame and is sent to second intercom by the second time slot.
3. channel as claimed in claim 2 seizes system, which is characterized in that second intercom is additionally operable in the letter
When road is seized type and seized for higher-level user, the first user class of first intercom and second intercom are obtained
Second user rank, first user class be higher than the second user rank when, allow channel seize.
4. channel as claimed in claim 2 seizes system, which is characterized in that second intercom is additionally operable in the letter
When road is seized type and seized for advanced various-service, the type of service to be sent of the business to be sent and first business are obtained
First type of service of information in the rank for being superior to first type of service of the type of service to be sent, permits
Perhaps channel is seized.
5. as channel according to any one of claims 1 to 4 seizes system, which is characterized in that first intercom is also used
In when assert that channel is seized successfully, successful information is seized by user's interface display channel, user to be prompted to be treated by described
It seizes channel and sends business information to be sent.
6. a kind of lchannel preempting method, which is characterized in that the lchannel preempting method seizes system based on channel, and the channel is robbed
The system of accounting for includes：First intercom and the second intercom；
The lchannel preempting method includes the following steps：
First intercom seizes frame, and the channel is robbed in response to channel preemption instructions input by user, generation channel
It accounts for frame and is sent to second intercom；
Second intercom is seized frame to the channel and is parsed, and obtains channel and seizes type and channel logo to be seized；
Second intercom seizes type according to the channel and determines whether that channel is seized according to preset rules；
If second intercom allows channel to seize, terminate and sent out by the corresponding channel of seizing of the channel logo to be seized
Send the first business information；
First intercom assert that channel seizes success when receiving the command for stopping that second intercom is sent, and
Business information to be sent is sent by the channel of seizing.
7. lchannel preempting method as claimed in claim 6, which is characterized in that first intercom is in response to input by user
Channel preemption instructions, generation channel seize frame, and the channel are seized before frame is sent to second intercom, the letter
Road method for pre-emptively further includes：
First intercom receives second intercom in the first time slot and passes through first industry seized channel and sent
During information of being engaged in, judge whether the second time slot is idle, if second time slot is idle, perform described in response to letter input by user
The step of road preemption instructions, generation channel seizes frame；
Correspondingly, it is described the channel is seized into frame to be sent to second intercom, it specifically includes：
The channel is seized into frame in second time slot and is sent to second intercom.
8. lchannel preempting method as claimed in claim 7, which is characterized in that second intercom is seized according to the channel
Type determines whether that channel is seized according to preset rules, specifically includes：
Second intercom obtains the of first intercom when the channel is seized type and seized for higher-level user
The second user rank of one user class and second intercom is higher than the second user grade in first user class
When other, channel is allowed to seize.
9. lchannel preempting method as claimed in claim 7, which is characterized in that second intercom is seized according to the channel
Type determines whether that channel is seized according to preset rules, specifically includes：
Second intercom obtains treating for the business to be sent when the channel is seized type and seized for advanced various-service
The first type of service of type of service and first business information is sent, institute is superior in the type of service to be sent
When stating the rank of the first type of service, channel is allowed to seize.
10. the lchannel preempting method as described in any one of claim 6~9, which is characterized in that first intercom is connecing
When receiving the command for stopping that second intercom is sent, after assert that channel is seized successfully, the lchannel preempting method also wraps
It includes：
First intercom seizes successful information by user's interface display channel, user to be prompted to seize channel by described
Send business information to be sent.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133623.4A CN108200656B (en) | 2018-02-08 | 2018-02-08 | Channel seizes system and method |
| PCT/CN2018/081110 WO2019153457A1 (en) | 2018-02-08 | 2018-03-29 | Channel preemption system and method |
| KR1020190005742A KR102243091B1 (en) | 2018-02-08 | 2019-01-16 | Channel preemption system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133623.4A CN108200656B (en) | 2018-02-08 | 2018-02-08 | Channel seizes system and method |
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| Publication Number | Publication Date |
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| CN108200656A true CN108200656A (en) | 2018-06-22 |
| CN108200656B CN108200656B (en) | 2019-04-26 |
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|---|---|---|---|
| CN201810133623.4A Active CN108200656B (en) | 2018-02-08 | 2018-02-08 | Channel seizes system and method |
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| Country | Link |
|---|---|
| KR (1) | KR102243091B1 (en) |
| CN (1) | CN108200656B (en) |
| WO (1) | WO2019153457A1 (en) |
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| CN115065947A (en) * | 2021-09-13 | 2022-09-16 | 北京市万格数码通讯科技有限公司 | Multimode intelligent recording and call-robbing dual-network fire rescue interphone based on public network |
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| CN115315010A (en) * | 2022-10-11 | 2022-11-08 | 北京北交信通科技有限公司 | Method, device, equipment and medium for forced insertion of voice instruction in flat shunting system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019153457A1 (en) | 2019-08-15 |
| KR102243091B1 (en) | 2021-04-21 |
| CN108200656B (en) | 2019-04-26 |
| KR20190025858A (en) | 2019-03-12 |
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