CN108200656B - Channel seizes system and method - Google Patents

Channel seizes system and method Download PDF

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Publication number
CN108200656B
CN108200656B CN201810133623.4A CN201810133623A CN108200656B CN 108200656 B CN108200656 B CN 108200656B CN 201810133623 A CN201810133623 A CN 201810133623A CN 108200656 B CN108200656 B CN 108200656B
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China
Prior art keywords
channel
intercom
seized
sent
seizes
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CN201810133623.4A
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Chinese (zh)
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CN108200656A (en
Inventor
朱国富
王飞
叶莉
杨娜
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SHENZHEN ANXINZHUO TECHNOLOGY Co Ltd
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SHENZHEN ANXINZHUO TECHNOLOGY Co Ltd
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Priority to CN201810133623.4A priority Critical patent/CN108200656B/en
Priority to PCT/CN2018/081110 priority patent/WO2019153457A1/en
Publication of CN108200656A publication Critical patent/CN108200656A/en
Priority to KR1020190005742A priority patent/KR102243091B1/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10Push-to-Talk [PTT] or Push-On-Call services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/002Transmission of channel access control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/16Time-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
    • H04J3/1694Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/10Arrangements for reducing cross-talk between channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/16Time-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
    • H04J3/1682Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/04Scheduled or contention-free access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria

Abstract

The invention discloses a kind of channels to seize system and method, and it includes: the first intercom and the second intercom that the channel, which seizes system,;The channel preemption instructions that first intercom is inputted in response to user generate channel and seize frame, channel is seized frame and 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, which is seized, according to channel determines whether that channel is seized according to preset rules, if channel is allowed to seize, terminates 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 when receiving the command for stopping of the second intercom transmission, sends business information to be 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 is interfered with each other, and avoids single intercom or business long-time busy channel.

Description

Channel seizes system and method
Technical field
The present invention relates to wireless communication technology fields more particularly to channel to seize system and method.
Background technique
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 carrying 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., before 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 defines straight-through and two kinds of basic networking modes of transfer, is referred to as normal mode.Normal mode When intercom sends business, if having there is another intercom in transmitting business, if the intercom forces transmitting, Ke Nengzao It is interfered with each other between two intercoms, causes business to send quality bad.How to avoid two intercoms in the business of transmission It interferes with each other and is a technical problem to be solved urgently.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of channels 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 it includes: first pair that the channel, which seizes system, Say machine and the second intercom;
First intercom, the channel preemption instructions for inputting in response to user generate channel and seize 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 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 also used to assert channel when receiving the command for stopping that second intercom is sent Success is seized, and business information to be sent is sent by the channel of seizing.
Preferably, first intercom is also used 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 generate channel and 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 also used 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 When higher than the second user rank, channel is allowed to seize.
Preferably, second intercom is also used to obtain when it is that advanced various-service is seized that the channel, which seizes type, 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 When the rank for being superior to first type of service of service type, channel is allowed to seize.
Preferably, first intercom is also used to show channel by user interface when assert that channel is seized successfully Successful information is seized, to prompt user 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 it includes: the first intercom and the second intercom that the channel, which seizes system,;
The lchannel preempting method the following steps are included:
The channel preemption instructions that first intercom is inputted in response to user generate channel and seize 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 Function, and business information to be sent is sent by the channel of seizing.
Preferably, the channel preemption instructions that first intercom is inputted in response to user generate channel and seize frame, and will The channel is seized frame and is sent to before second intercom, the lchannel preempting method further include:
First intercom receives second intercom in the first time slot and seizes the of channel transmission by described When one business information, judge whether the second time slot is idle, if second time slot is idle, executes described in response to user's input Channel preemption instructions, generate channel the step of seizing frame;
Correspondingly, 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 be higher than it is described second use When 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 it is that advanced various-service is seized that the channel, which seizes type, 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 include:
First intercom shows that channel seizes successful information by user interface, to prompt user to seize 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, what the business between intercom that reduces was sent interferes with each other, when avoiding single intercom or professional chief Between busy channel.
Detailed description of the invention
Fig. 1 is existing DMR agreement forward channel and backward channel schematic diagram;
Fig. 2 is the structural block diagram that channel of the present invention seizes system first embodiment;
Fig. 3 is existing DMR agreement CSBK common data structure figure;
Fig. 4 is the extension CSBK data structure diagram that channel of the present invention seizes system first embodiment;
Fig. 5 is the structural block diagram for the direct mode operation application scenarios that channel of the present invention seizes system first embodiment;
Fig. 6 is the structural block 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 structural block diagram that channel of the present invention seizes system first embodiment, referring to Fig. 2, this is proposed Invention channel seizes the first embodiment of system.
It includes: the first intercom 10 and the second intercom 20 that the channel, which seizes system,.
It will be appreciated that the communication between first intercom 10 and second intercom 20 can be direct mode operation It is communicated, can also be communicated by transfer mode, the present embodiment is without restriction to this.
First intercom 10, the channel preemption instructions for inputting in response to user generate channel and 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 It says machine 10, is also used to receive second intercom 20 in the first time slot and be believed by first business for seizing channel transmission When breath, judge whether the second time slot idle, if second time slot is idle, in response to user input channel preemption instructions, It generates channel and seizes frame, and the channel is seized into 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, first time slot transmission the of second intercom 20 in the bis- time slots of TDMA in first time slot 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 parses not seize frame to the channel.
Second intercom 20, parses for seizing frame to the channel, obtains channel and seizes type and wait rob Channel logo is accounted for, type is seized according to the channel and 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 determining it is corresponding seize channel, the channel seizes frame Data type can extend DMR agreement reservation data type, control signaling block (Control can also be extended Signalling Block, CSBK).As shown in figure 3, Fig. 3 is existing DMR agreement CSBK common data structure figure, the present embodiment For extending CSBK, Fig. 4 be the present embodiment extension CSBK data structure diagram, the channel seize can be extended to one it is complete The burst of whole 30ms, such as Fig. 4, therefore richer information can be carried, redundancy check mechanism has higher reliability.Figure In 4, CSBKO can be defined as agreement retention, such as 0x30, seize traffic frame and other traffic frames for distinct channel;CSR is Channel Seize Reason seizes type for identifying the channel, such as: 0x00 be advanced various-service seize, 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 is follow-up business type, and seizing type when channel is When advanced various-service is seized, identify follow-up business type with SST, for example, it may be possible to type of service have: 0x00 be exhale, 0x01 Exhaled for group, 0x02 be broadcast & call, 0x03 be 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 is pair for receiving channel and seizing traffic frame Say the device identification (Identification, ID) of machine;Source address is the intercom for sending channel and seizing 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 itself there are when 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: it is that advanced various-service is seized that the channel, which seizes type, When, allow channel to seize the higher business of rank.It is described default when seizing type there is no priority according to the channel Rule can be the customized priority rule of user.
Such as: as shown in figure 5, Fig. 5 is the structural block diagram of the present embodiment direct mode operation application scenarios, first intercom 10 receive the voice that second intercom 20 is sent 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 second intercom 20, works as institute The push-to-talk (Push To Talk, PTT) that the first intercom is inputted in response to user is stated, first intercom 10 detects The channel of seizing is occupied by second intercom 20.First intercom 10 passes through 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, receives described the in the second time slot The channel that one intercom 10 is sent seizes frame.It is robbed when receiving the channel that first intercom 10 is sent in second time slot 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 for waiting first intercom 10 to be received to send in first time slot returns Exhale information.
It will be appreciated that the communication channel between first intercom 10 and the second intercom 20, can be straight-through letter Road is also possible to transfer channel.Such as: as shown in fig. 6, Fig. 6 is the structural block 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 it is that advanced various-service is seized that channel, which seizes type, industry to be sent Business information is emergency alarm business.Second intercom 20 sends audio call in first time slot, at described second The signal of gap reception intermediate station.Frame is seized when receiving the channel that first intercom 10 is sent in second time slot, is sentenced Whether the rank for the emergency alarm business of breaking is higher than the rank of the 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 also used to assert when receiving the command for stopping that second intercom 20 is sent Channel seizes success, and sends business information to be sent by the channel to be seized.
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 be believed by the user interface (User Interface, UI) of first intercom 10 Successful information is seized in road, and to prompt user 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 also used to when assert that channel is seized successfully, show that channel seizes successful information by user interface, 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 The channel of the first business information is sent, 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, being also used to seize type in the channel is higher-level user 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, seize class in the channel When type is that higher-level user seizes, the device identification (ID) that can extract first intercom is seized in frame from the channel, 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 is compared by two user class with the second user rank, 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 lower 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 that first intercom 10 is sent 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, terminates the transmission of first business information, 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, being also used to seize type in the channel is advanced various-service 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, When 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 first intercom 10 is seized in frame from the channel 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 it is described to It sends type of service and is superior to first type of service, then second intercom 20 allows channel to seize, and terminates institute State the transmission of the first business information of the first time slot;If the type of service rank to be sent is lower 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 end of the advanced various-service may include second intercom 20, also may not include second intercom 20.
Such as: it is that advanced various-service is seized that the channel, which seizes type, 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 whether the rank of the emergency alarm business is 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 mentions Show that channel is seized described in user to be preempted;If the rank of the emergency alarm business is lower 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;Or it is aobvious by user interface (User Interface, UI) Show that the channel received seizes type, prompts user to seize type according to the channel and determine whether that channel is seized.
The present embodiment, through second intercom 20 when it is that advanced various-service is seized that the channel, which seizes type, if When the rank for being superior to first type of service of the type of service to be sent, channel is allowed to seize, to guarantee height The type of service to be sent of rank corresponding business to be sent is capable of high quality and send, and business hair between intercom is reduced 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, referring to Fig. 7, the present invention is proposed The first embodiment of lchannel preempting method.
In the present embodiment, the lchannel preempting method is based on the channel and seizes system, and the channel seizes system and includes: First intercom and the second intercom;
The lchannel preempting method the following steps are included:
Step S10, the channel preemption instructions that first intercom is inputted in response to user generate channel and seize frame, and The channel is seized into frame and is sent to second intercom.
It will be appreciated that the communication between first intercom and second intercom can be direct mode operation progress Communication, can also be communicated, the present embodiment is without restriction to 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 When 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 include: first intercom receives described second pair in the first time slot When saying machine by first business information for seizing channel transmission, judge whether the second time slot is idle, if second time slot Free time then executes the channel preemption instructions in response to user's input, generates the step of channel seizes frame.Correspondingly, described The channel is seized into frame and is sent to second intercom, is specifically included: the channel being 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.It is predefined according to user when the second time slot, which receives the channel, seizes frame 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 rob Account for channel logo.
It should be understood that the channel logo to be seized can be used for determining it is corresponding seize channel, the channel seizes frame Data type can extend DMR agreement reservation data type, control signaling block (Control can also be extended Signalling Block, CSBK).As shown in figure 3, Fig. 3 is existing DMR agreement CSBK common data structure figure, the present embodiment For extending CSBK, Fig. 4 be the present embodiment extension CSBK data structure diagram, the channel seize can be extended to one it is complete The burst of whole 30ms, such as Fig. 4, therefore richer information can be carried, redundancy check mechanism has higher reliability.Figure In 4, CSBKO can be defined as agreement retention, such as 0x30, seize traffic frame and other traffic frames for distinct channel;CSR is Channel Seize Reason seizes type for identifying the channel, such as: 0x00 be advanced various-service seize, 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 is follow-up business type, and seizing type when channel is When advanced various-service is seized, identify follow-up business type with SST, for example, it may be possible to type of service have: 0x00 be exhale, 0x01 Exhaled for group, 0x02 be broadcast & call, 0x03 be 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 is pair for receiving channel and seizing traffic frame Say the device identification (Identification, ID) of machine;Source address is the intercom for sending channel and seizing 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 is terminated corresponding by the channel logo to be seized if second intercom allows channel to seize Seize channel send the first business information.
It will be appreciated that seize type itself there are when 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: it is that advanced various-service is seized that the channel, which seizes type, When, allow channel to seize the higher business of rank.It is described default when seizing type there is no priority according to the channel Rule can be the customized priority rule of user.
Such as: as shown in figure 5, Fig. 5 is the structural schematic diagram of the present embodiment direct mode operation application scenarios, first intercommunication Machine receives the voice that second intercom is sent 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 The push-to-talk (Push To Talk, PTT) that intercom is inputted in response to user, first intercom detect 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, receives the channel that first intercom is sent in the second time slot and robs Account for frame.When second time slot receives the channel that first intercom is sent and 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 for waiting first intercom to be received to send 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 structural schematic diagram of the present embodiment transfer mode application scenarios, it is described Second intercom sends audio call in first time slot, and first time slot is the channel forward, first industry Business information is the audio call, and the audio call is detected by intermediate station forwarding 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, it is that advanced various-service is seized that channel, which seizes type, and business information to be sent is emergency alarm business. Second intercom sends audio call in first time slot, receives the signal of intermediate station in second time slot.When Second time slot receives the channel that first intercom is sent and seizes frame, judges that the rank of the emergency alarm business is The no rank higher than the 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;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 business information to be sent is sent by the channel of seizing.
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, to prompt user 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 Further include: first intercom shows that channel seizes successful information by user interface, to prompt user to seize 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 The channel of the first business information is sent, what the business between intercom that reduces was sent interferes with each other, and avoids single intercom or professional chief Time busy channel.
Further, it is based on above-mentioned lchannel preempting method first embodiment of the present invention shown in Fig. 7, referring to Fig. 8, proposes this 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 When 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, seize class in the channel When type is that higher-level user seizes, the device identification (ID) that can extract first intercom is seized in frame from the channel, The first user class of first intercom is determined according to the device identification of first intercom, while can obtain described 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 is compared with the second user rank, if first user class is higher than described the Two user class, then second intercom terminates the transmission of the first business information of first time slot;If described first uses Family rank is lower 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 the 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 that A is higher than B, then in institute When stating the channel of the first intercom transmission and seizing type and seize 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 enables the first intercom of higher-level user high to seize channel described in release The carry out business transmission of quality reduces the interference of second intercom, improves user experience.
Further, it is based on above-mentioned lchannel preempting method first embodiment of the present invention shown in Fig. 7, referring to Fig. 9, proposes this The 3rd embodiment of invention lchannel preempting method.
In the present embodiment, the step S30 is specifically included:
Step S302, second intercom is when it is that advanced various-service is seized that the channel, which seizes type, 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 When 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 first intercom is seized in frame from the channel 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.If described to be sent Type of service is superior to first type of service, then second intercom allows channel to seize, and terminates described first The transmission of first business information of time slot;If the type of service rank to be sent is lower 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 end of level traffic may include second intercom, also may not include second intercom.
Such as: it is that advanced various-service is seized that the channel, which seizes type, 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, judge whether the rank of the emergency alarm business is being higher than oneself 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 lower 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, prompts user to seize type according to the channel and determines whether that channel is seized.
The present embodiment, through second intercom when it is that advanced various-service is seized that the channel, which seizes type, 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, to guarantee advanced The corresponding business to be sent of other type of service to be sent is capable of high quality and send, and the business between intercom that reduces sends Interfere with each other, improve user experience.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.Word first, second, with And the use of third etc. does not indicate 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 be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly 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 it includes: the first intercom and the second intercommunication that the channel, which seizes system, Machine;
First intercom, the channel preemption instructions for inputting in response to user generate channel and seize 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 also used to when receiving the command for stopping that second intercom is sent, and assert that channel is seized Success, and business information to be sent is sent by the channel of seizing.
2. channel as described in claim 1 seizes system, which is characterized in that first intercom is also used at first When gap receives second intercom by first business information for seizing channel transmission, judge whether the second time slot is empty Spare time in response to the channel preemption instructions of user's input, generates channel and seizes frame, and described if second time slot is idle 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 also used in the letter When road is seized type and seized for higher-level user, the first user class and second intercom of first 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 also used in the letter It is advanced various-service when seizing that type is seized in road, obtains the type of service to be sent and first business of the business to be sent First type of service of information permits in the rank for being superior to first type of service of the type of service to be sent Perhaps channel is seized.
5. channel as described in 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, show that channel seizes successful information by user interface, with prompt user by it is described to 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 is based on channel and seizes system, and the channel is robbed The system of accounting for includes: the first intercom and the second intercom;
The lchannel preempting method the following steps are included:
The channel preemption instructions that first intercom is inputted in response to user generate channel and seize frame, and the channel is robbed 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, terminates and seize channel hair by the way that the channel logo to be seized is corresponding 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 was inputted in response to user Channel preemption instructions generate channel and seize frame, and the channel are seized before frame is sent to second intercom, the letter Road method for pre-emptively further include:
First intercom receives second intercom in the first time slot and passes through first industry for seizing channel transmission When information of being engaged in, judge whether the second time slot is idle, if second time slot is idle, executes the letter in response to user's input Road preemption instructions generate the step of channel seizes frame;
Correspondingly, 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 when it is that advanced various-service is seized that the channel, which seizes type, obtain the business to be sent to The first type of service for sending type of service and first business information, is superior to institute 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 is also wrapped It includes:
First intercom shows that channel seizes successful information by user interface, to prompt user to seize channel by described Send business information to be sent.
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