CN103546874B - A kind of method and system of call management - Google Patents
A kind of method and system of call management Download PDFInfo
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- CN103546874B CN103546874B CN201210247211.6A CN201210247211A CN103546874B CN 103546874 B CN103546874 B CN 103546874B CN 201210247211 A CN201210247211 A CN 201210247211A CN 103546874 B CN103546874 B CN 103546874B
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Abstract
The invention discloses the implementation method of a kind of call management, including: one or more terminals in group and base station are set up after RRC connects, and ask to dispatch server application sending the right words；Dispatch server selects right of speech terminal from one or more terminals；Dispatch server sets up the uplink service carrying of right of speech terminal, and authorizes right of speech to right of speech terminal；The invention also discloses a kind of call management realizes system.It is capable of the right of speech to LTE group system correct, efficient by the present invention to be managed.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to the method and system of a kind of call management.
Background technology
Mobile communication technology has evolved to forth generation, and wherein trunking communication is also increasingly becoming a kind of indispensable
Communication traffic.Trunking communication refers to a kind of special dispatching communication mode, logical including special commander and scheduling
Letter, its system channel can be shared by system total user, have automatically select channel, resource-sharing multiplex
On the way, dynamical feature, cluster user can be simultaneously introduced calling, converses and works with simplex mode.
Second filial generation group system is narrow-band digital trunked communication system, system supports voice and low speed data (
High 28.8kbps) communication, the system of representative is ETSI (ETSI, European
Telecommunications Standards Institute) define TErrestrial TRunked Radio (TETRA,
Terrestrial Trunked Radio) system, U.S. Motorola Integrated Digital Enhanced Network (IDEN,
Integrated Digital Enhanced Networks) system, ZTE Co., Ltd based on
The open trunking architecture (GoTa, Global Open Trunking Architecture) of CDMA1X exploitation
System and GT800 system based on GSM exploitation.
In sum, existing digital clustering communication system be all based on second generation mobile communication system (2G) or
3-G (Generation Three mobile communication system) (3G) realizes.Along with developing rapidly and whole world nothing of mobile Internet
The Large scale construction in line city, the broadband development trend becoming whole radio communication.Tradesman is in application
During trunked communication system carries out command scheduling, the most not only require " hearing ", also require " to see
See ".Correspondingly, trunked communication system the most also will be to system IPization, business variation, data width
The direction of the many modellings of band, terminal is developed.From the point of view of concrete application angle, be mainly reflected in high-speed data,
Video and be implemented in the multiple application on this basis, including mobile office, multimedia cluster scheduling, regards
The aspects such as frequency monitoring, City Emergency Linkage Control System.Meanwhile, trunked communication system also should have bigger letter
Road capacity, the higher availability of frequency spectrum, more preferable transmission performance and use low cost, scalable, can
The IP full wireless multimedia network architecture of configuration, and it is capable of smooth evolution.
Group-calling service is the most basic business that digital clustering communication system provides.Can multiple use during once group is exhaled
Family simultaneously participates in, but synchronization only allows user's speech, and other users can only listen.Therefore, words
Power is the valuable source during group is exhaled, and talker has right of speech, and during group calling communication, talker can release
The power of saying, hearer can apply for right of speech thus become new talker.Owing to group existing multiple user,
Therefore there is multiple user and apply for the scene of right of speech simultaneously, so the right of speech correct, efficient in group system
Manage most important, but prior art does not also provide a kind of technical scheme can correctly, efficiently to LTE
The right of speech of group system is managed.
Summary of the invention
In view of this, present invention is primarily targeted at the method and system that a kind of call management is provided,
To realize correctly, efficiently to the right of speech of LTE group system being managed.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The invention discloses the implementation method of a kind of call management, the method includes:
One or more terminals in group and base station are set up after radio resource control RRC connects, to scheduling clothes
Business device application sending the right words request；Dispatch server selects right of speech terminal from the one or more terminal；
Dispatch server sets up the uplink service carrying of described right of speech terminal, and authorizes right of speech to described terminal.
Described dispatch server sets up the uplink service carrying of described right of speech terminal, including:
Described dispatch server sends carrying and sets up request message to described base station, wherein carries dispatch server
Uplink service for described right of speech terminal carries the first Tunnel Identifier ID of distribution；
Described base station recording carrying sets up the first tunnel ID carried in request message, sets up for right of speech terminal
Row service bearer, and notify that right of speech terminal is heavily joined RRC and connected；
Described base station receive right of speech terminal RRC connect heavily join completion message after, to dispatch server send hold
Load sets up response message, wherein carries the second tunnel of the uplink service carrying distribution that base station is right of speech terminal
ID；
Dispatch server recording carrying sets up the second tunnel ID carried in response message, completes right of speech terminal
The foundation of uplink service carrying.
Right of speech is authorized to described right of speech terminal, including:
Dispatch server sends right of speech authorization messages to right of speech terminal；
After right of speech terminal receives right of speech authorization messages, respond right of speech authorization response message to dispatch server,
And start speech.
Described terminal and base station are set up RRC and are connected, including:
Terminal sends RRC connection establishment request message to base station；
Base station is terminal distribution ascending resource, and sends RRC connection establishment notification message to terminal, described
RRC connection establishment completes.
Described to dispatch server application sending the right words ask, including:
After RRC has connected, terminal asks message to base station application sending the right words on described ascending resource；
Described the right to apply for words request message is transmitted to described dispatch server by base station；
Described dispatch server selects right of speech terminal from the one or more terminal, including:
The described the right to apply for words request of described dispatch server one or more described terminals in receiving group disappears
After breath, select the terminal that right of speech priority is the highest as right of speech terminal from the one or more terminal.
After described right of speech terminal authorizes right of speech, the method also includes:
Dispatch server passes through base station other all terminals in group in addition to right of speech terminal and sends right of speech prompting
Message, prompting right of speech is occupied.
After described right of speech terminal authorizes right of speech, the method also includes:
Dispatch server sends right of speech row to the terminal of the request message of other application sending the right words in addition to right of speech terminal
Team's message, and indicate base station release terminal of other application sending the right words request message in addition to right of speech terminal
RRC connects.
The method also includes: described right of speech terminal application right of speech discharges, for:
Described right of speech terminal sends right of speech releasing request message to dispatch server；
Described dispatch server returns right of speech release response message, release speech right.
The method also includes: described dispatch server discharges the right of speech of described right of speech terminal, for:
Dispatch server sends right of speech releasing request message to described right of speech terminal；
Described right of speech terminal returns right of speech release response message, release speech right.
The method also includes: described base station discharges the right of speech of described right of speech terminal, for:
Base station sends the uplink service for right of speech terminal to dispatch server and carries releasing request message；
After dispatch server receives described uplink service carrying releasing request message, release speech right.
After described release speech right, the method also includes:
Dispatch server sends right of speech prompting message by base station all terminals in group, and prompting right of speech is idle.
After described release speech right, the method also includes:
Dispatch server notice base station discharges the described uplink service carrying of described right of speech terminal and described RRC
Connect；
Base station notifies that described right of speech terminal discharges described RRC and connects, and discharges the described of described right of speech terminal simultaneously
Uplink service carries；After the carrying release of described uplink service completes, base station returns up to dispatch server
The Release complete of service bearer.
The method also includes: right of speech priority seizes right of speech higher than the terminal of described right of speech terminal, for:
After dispatch server receives the right to apply for words request, determine the right of speech of the terminal that application sending the right words asks
Priority higher than described right of speech terminal time, using described right of speech priority higher than described right of speech terminal terminal as
New right of speech terminal；
Dispatch server discharges the right of speech of described right of speech terminal, and notifies that base station discharges the upper of described right of speech terminal
Row service bearer and RRC connect, and meanwhile, dispatch server is set up the uplink service of described new right of speech terminal and held
Carry, and authorize right of speech to described new right of speech terminal.
Present invention also offers a kind of call management realizes system, including: terminal, base station and dispatch service
Device；Wherein:
Described terminal and described base station, be used for setting up RRC and connect, and send in right of speech and please ask；
Described dispatch server, for after receiving the request of described the right to apply for words, from one or more described ends
End selects right of speech terminal；It is additionally operable to set up the uplink service carrying of described right of speech terminal, and to described right of speech
Terminal authorizes right of speech.
Described dispatch server, is additionally operable to send carrying to described base station and sets up request message, wherein carry tune
Degree server is the first tunnel ID of the uplink service carrying distribution of described right of speech terminal；
Described base station, is additionally operable to recording carrying and sets up the first tunnel ID carried in request message, for described words
Power terminal sets up uplink service carrying, and notifies that described right of speech terminal is heavily joined RRC and connected；
Described base station, is additionally operable to receive after the RRC of right of speech terminal connects and heavily join completion message, to dispatch service
Device sends carrying and sets up response message, wherein carries the of the carrying distribution of uplink service that base station is right of speech terminal
Two tunnel ID；
Described dispatch server, is additionally operable to recording carrying and sets up the second tunnel ID carried in response message, complete
Become the foundation of the uplink service carrying of right of speech terminal.
Described dispatch server, is additionally operable to send right of speech authorization messages to described right of speech terminal；
Described right of speech terminal, after being additionally operable to receive right of speech authorization messages, responds right of speech to dispatch server and awards
Power response message, and start speech.
Described terminal, is additionally operable to send RRC connection establishment request message to described base station；
Described base station, for for described terminal distribution ascending resource, and sends RRC to described terminal and connects and build
Vertical notification message；
Described terminal, is additionally operable to set up after RRC connected, sends out to described base station on described ascending resource
The right to apply for words is sent to ask message；
Described base station, is additionally operable to described the right to apply for words request message is transmitted to described dispatch server；
Described dispatch server, the described right of speech Shen of one or more described terminals in being additionally operable to receive group
After please asking message, from one or more described terminals, select the described terminal conduct that right of speech priority is the highest
Right of speech terminal.
Described right of speech terminal, is additionally operable to apply for right of speech release.
Described dispatch server, is additionally operable to discharge the right of speech of described right of speech terminal.
Described base station, is additionally operable to discharge the right of speech of described right of speech terminal.
Right of speech priority, higher than the described terminal of described right of speech terminal, is additionally operable to seize right of speech.
The present invention plants the method and system of call management: dispatch server receives in group one or many
When the right to apply for words of individual terminal is asked, the terminal that right of speech priority is the highest is selected to make from one or more terminals
For right of speech terminal；Dispatch server sets up the uplink service carrying of right of speech terminal, and authorizes words to right of speech terminal
Power.The right of speech of terminals all in group is managed collectively by dispatch server, please and discharge all in right of speech
It is uniformly controlled by dispatch server, it is ensured that the correctness of LTE group system right of speech management and high efficiency.
Accompanying drawing explanation
Fig. 1 a is the method schematic diagram one that the present invention realizes call management in LTE group system；
Fig. 1 b is the method schematic diagram two that the present invention realizes call management in LTE group system；
Fig. 2 is the schematic flow sheet of terminal the right to apply for words；
Fig. 3 is the schematic flow sheet of terminal actively release speech right；
Fig. 4 is the schematic flow sheet of dispatch server forcible aborting terminal right of speech；
Fig. 5 is the schematic flow sheet of base station forcible aborting terminal right of speech；
Fig. 6 is the schematic flow sheet that right of speech is seized；
Fig. 7 is the Organization Chart of LTE cluster.
Detailed description of the invention
The present invention realizes the method for call management as shown in Figure 1a in LTE group system, including:
Step 101, one or more terminals in group and base station are set up after RRC connects, to dispatch service
Device application sending the right words is asked；Dispatch server selects right of speech terminal from one or more terminals.
Wherein, so-called group refers to: (such as trunked call service, group is exhaled to add some group service
Business) the set of multiple terminals, each terminal is the member of this group.
Concrete, wireless heterogeneous networks (RRC, Radio Resource Control) is set up in terminal and base station
The process connected includes:
Terminal sends RRC connection establishment request message to base station；
Base station is terminal distribution ascending resource, and sends RRC connection establishment notification message to terminal.
Terminal is set up after RRC connected, in addition it is also necessary to please to base station application sending the right words on ascending resource
Seek message；The right to apply for words is asked message to be transmitted to dispatch server by base station.
After the right to apply for words request message of dispatch server one or more terminals in receiving group, therefrom
Select the terminal that right of speech priority is the highest as right of speech terminal.
Step 102, dispatch server is set up the uplink service carrying of right of speech terminal, and is authorized to right of speech terminal
Right of speech.
Wherein, the process of the uplink service carrying that dispatch server sets up right of speech terminal includes:
Dispatch server sends carrying and sets up request message to base station, and wherein carrying dispatch server is that right of speech is whole
First tunnel ID of the uplink service carrying distribution of end；
Base station recording carrying sets up the first tunnel ID carried in request message, sets up upper industry for right of speech terminal
Business carrying, and notify that right of speech terminal is heavily joined RRC and connected；
Base station receive right of speech terminal RRC connect heavily join completion message after, to dispatch server send carrying build
Vertical response message, wherein carries the second tunnel ID of the uplink service carrying distribution that base station is right of speech terminal；
Dispatch server recording carrying sets up the second tunnel ID carried in response message, completes right of speech terminal
The foundation of uplink service carrying.
The process authorizing right of speech to right of speech terminal includes:
Dispatch server sends right of speech authorization messages to right of speech terminal；
After right of speech terminal receives right of speech authorization messages, respond right of speech authorization response message to dispatch server,
And start speech.
Preferably, after right of speech terminal authorizes right of speech, the inventive method also includes:
Dispatch server passes through base station other all terminals in group in addition to right of speech terminal and sends right of speech prompting
Message, prompting right of speech is occupied.And,
Dispatch server sends talking right queuing to the terminal that other application sending the right words in addition to right of speech terminal are asked and disappears
Breath, and indicate release RRC of the terminal of other application sending the right words request in addition to right of speech terminal in base station to connect.
Such as Fig. 1 b, the method realizing call management in LTE group system of the present invention also includes:
Step 103, right of speech terminal application right of speech discharges.
Step 104, the right of speech of dispatch server release speech right terminal.
Step 105, the right of speech of base station release speech right terminal.
Step 106, right of speech priority seizes the right of speech of right of speech terminal higher than the terminal of right of speech terminal.
It should be noted that step 103, the execution order in no particular order of 104,105,106.
Wherein, being implemented as of step 103:
Right of speech terminal sends right of speech releasing request message to dispatch server；
Dispatch server returns right of speech release response message, release speech right.
Being implemented as of step 104:
Dispatch server sends right of speech releasing request message to right of speech terminal；
Right of speech terminal returns right of speech release response message, release speech right.
Being implemented as of step 105:
Base station sends the uplink service for right of speech terminal to dispatch server and carries releasing request message；
After dispatch server receives uplink service carrying releasing request message, release speech right.
Preferably, in step 103, in 104,105 after release speech right, the method for the present invention also includes:
Dispatch server sends right of speech prompting message by base station all terminals in group, and prompting right of speech is idle；
And, uplink service carrying and the RRC of dispatch server notice base station release speech right terminal connect, and base station leads to
Know that right of speech terminal release RRC connects, the uplink service carrying of the most described right of speech terminal；Hold at uplink service
After load release completes, base station returns the Release complete of uplink service carrying to dispatch server.
Being embodied as of step 106:
After dispatch server receives the right to apply for words request, determine the right of speech of the terminal that application sending the right words asks
Priority is higher than right of speech terminal, and right of speech priority is higher than the terminal of right of speech terminal as new right of speech terminal；
The right of speech of dispatch server release speech right terminal, and notify that the uplink service of base station release speech right terminal holds
Carrying and RRC connects, meanwhile, dispatch server sets up the uplink service carrying of new right of speech terminal, and to newspeak
Power terminal authorizes right of speech.
The such scheme of the present invention is described below by specific embodiment.
Fig. 2 show the schematic flow sheet of terminal the right to apply for words, after trunked call is successfully established, if group
Current unmanned speech in group, i.e. right of speech is idle, now the most all with initiating words by terminal per family in group
Power application, detailed process includes:
Step 201, terminal B presses PTT key application right of speech, and terminal B sends RRC even to eNodeB
Connect foundation request message.
Step 202, after eNodeB receives RRC connection request message, eNodeB is adjusted by time slot and guarantees
Uplink synchronous, distributes ascending resource simultaneously, sends RRC connection establishment notification message, notice to terminal B
Terminal B is set up RRC and is connected, and carries the ascending resource of distribution in an announcement message.
Step 203, after RRC connection establishment completes, terminal B on the most the allocated ascending resource to eNodeB
Application sending the right words request message, it is preferred that this message can use NAS message, can also use certainly
Conventional message between other-end and eNodeB；
Preferably, according to 3GPP standard, this NAS message can be sent to eNodeB by MSG3 message.
Step 204, eNodeB sends the right to apply for words request message of terminal B to dispatch server.
In this step, the NAS message of the right to apply for words request message is carried in T1 message.
Step 205～step 208 initiate the process of the right to apply for words request for terminal A, with step 201～step
The process that 204 terminals B initiate the right to apply for words request is identical, can perform simultaneously, and here is omitted.
Step 209, after dispatch server receives the right to apply for words request message of terminal B and terminal A, according to
The information such as priority compare decision-making, if the right of speech priority of terminal B is high, then determine and right of speech awarded
Give terminal B (right of speech terminal).
Step 210, when determining right of speech granting terminal B, sets up the uplink service carrying of terminal B.
It is pointed out that when applying for right of speech, no matter whether the uplink service carrying of terminal B exists, all
Need to re-establish the uplink service carrying of terminal B.Concrete: dispatch server sends to eNodeB and holds
Carry and set up request message, wherein carry the first tunnel of the uplink service carrying distribution that dispatch server is terminal B
Road ID, meanwhile, the talking state machine of dispatch server transfers right of speech pre-authorization state to, and starts right of speech pre-granted
Power intervalometer.
If right of speech pre-authorization intervalometer then after, dispatch server do not receive eNodeB return carrying set up
Response message, then carrying is set up unsuccessfully, and dispatch server notice terminal B release speech right, flow process terminates.
Step 211, eNodeB recording carrying sets up the first tunnel ID carried in request message, for terminal B
Set up uplink service carrying, and notify that terminal B is heavily joined RRC and connected.
Step 212, the RRC connection of terminal B notifies eNodeB after heavily having joined.
Step 213, eNodeB receive terminal B RRC connect heavily join completion message after, to dispatch service
Device sends carrying and sets up response message, wherein carries the uplink service carrying distribution that eNodeB is terminal B
Second tunnel ID, the second tunnel ID are corresponding with the first tunnel ID that dispatch server distributes.
Step 214, dispatch server receives after the carrying of eNodeB sets up response message, records eNodeB
Uplink service for terminal B carries the second tunnel ID of distribution, and the uplink service carrying of terminal B has been set up
Become.Dispatch server closes right of speech pre-authorization intervalometer, sends right of speech authorization messages to terminal B, leads to simultaneously
Speech phase machine transfers right of speech licensing status to, starts right of speech mandate intervalometer.
It is preferred that right of speech authorization messages can use NAS message；This NAS message is carried in T1 and disappears
In breath.
If right of speech mandate intervalometer then after, dispatch server do not receive terminal B return right of speech authorization response
Message, then dispatch server notice terminal B release speech right, flow process terminates.
Step 215, terminal B is to dispatch server response right of speech authorization response message, and user is by eventually simultaneously
End B loquiturs.
It is preferred that right of speech authorization response message can use NAS message；This NAS message is carried in T1
In message.
Step 216, after dispatch server receives the right of speech authorization response message of terminal B, stops right of speech mandate
Intervalometer, sends right of speech prompting message to eNodeB；ENodeB not dialogue right prompting message processes, directly
Switch through other all group members (for terminal A in this embodiment) issued in addition to terminal B, point out other
The right of speech of all group member groups is occupied, and the user of terminal B talks.
It is preferred that right of speech prompting message can use NAS message；This NAS message is carried in T1 and disappears
In breath.
In order to avoid the new user accessed cannot receive right of speech prompting message, dispatch server can be in T1 message
In carry repeating transmission instruction, instruction eNodeB periodically to other all group members retransmit right of speech prompting message.
Step 217, dispatch server sends talking right queuing message to terminal A, notifies terminal A talking right queuing.
It is preferred that talking right queuing message can use NAS message；This NAS message is carried in T1 and disappears
In breath.
In order to economize on resources, dispatch server can carry the instruction of RRC Connection Release, instruction in T1 message
The RRC of eNodeB release terminal A connects.It should be understood that this step is judged in step 209 step
After words advise granting terminal B, being immediately performed, the right of speech mandate with terminal B is carried out simultaneously.
Fig. 3 show the schematic flow sheet of terminal actively release speech right, after trunked call is successfully established, certain group
Group membership's (terminal A) takies right of speech, and now terminal A (right of speech terminal) can trigger by unclamping PTT key
Right of speech discharges, and detailed process includes:
Step 301, terminal A sends right of speech releasing request message to dispatch server.
It is preferred that right of speech releasing request message can use NAS message；This NAS message is carried in T1
In message.
Step 302, after dispatch server receives the right of speech releasing request message of terminal A, verification terminal A is
After talker, send right of speech release response message, meanwhile, the talking state machine of dispatch server to terminal A
Transfer right of speech idle condition to.
It is preferred that right of speech release response message can use NAS message；This NAS message is carried in T1
In message.
Step 303, after terminal A release speech right, in group, right of speech is idle, and now, dispatch server is to eNodeB
Send right of speech prompting message；ENodeB not dialogue right prompting message processes, and is directly forwarded to all one-tenth of group
Member (terminal A and B), prompting right of speech is idle.
It is preferred that right of speech prompting message can use NAS message；This NAS message is carried in T1 and disappears
In breath.
In order to avoid the new user accessed cannot receive right of speech prompting message, dispatch server can be in T1 message
In carry repeating transmission instruction, instruction eNodeB periodically to other all group members retransmit right of speech prompting message.
Step 304, the uplink service carrying of dispatch server notice eNodeB release terminal A and RRC are even
Connect.
Step 305, eNodeB notice terminal A release RRC connects.
Step 306, after eNodeB releases the uplink service carrying of terminal A, sends uplink service carrying
Release complete.After dispatch server receives the Release complete of uplink service carrying, it is cleared on this
The related resource that row service bearer is set up.
Wherein, terminal A release RRC connects and the uplink service carrying of eNodeB release terminal A can be with
Shi Jinhang.
Fig. 4 show the schematic flow sheet of dispatch server forcible aborting terminal right of speech, and trunked call is successfully built
After Li, certain group member (terminal A) takies right of speech, and now dispatch server can forcible aborting terminal A (words
Power terminal) right of speech, detailed process is as follows:
Step 401, after dispatch server detects the right of speech needing to discharge terminal A, sends words to terminal A
Power releasing request message, meanwhile, the talking state machine of dispatch server transfers right of speech release conditions to, and starts
Right of speech release timer.
It is preferred that right of speech releasing request message can use NAS message；This NAS message is carried in T1
In message.
If right of speech release timer does not receives the right of speech release response message of terminal A after then, then it is assumed that terminal
The right of speech of A has discharged complete, jumps directly to step 403.
Step 402, after terminal A receives the right of speech releasing request message of dispatch server, closes microphone, stops
Spline sends out voice, sends right of speech release response message to dispatch server.
It is preferred that right of speech release response message can use NAS message；This NAS message is carried in T1
In message.
Step 403, dispatch server cut out right of speech release timer, talking state machine transfers right of speech sky to simultaneously
Not busy state, and send right of speech prompting message to eNodeB；ENodeB not dialogue right prompting message processes,
Being directly forwarded to all members of group (terminal A and B), prompting right of speech is idle.
It is preferred that right of speech prompting message can use NAS message；This NAS message is carried in T1 and disappears
In breath.
In order to avoid the new user accessed cannot receive right of speech prompting message, dispatch server can be in T1 message
In carry repeating transmission instruction, instruction eNodeB periodically to other all group members retransmit right of speech prompting message.
Step 404, the uplink service carrying of dispatch server notice eNodeB release terminal A and RRC are even
Connect.
Step 405, eNodeB notice terminal A release RRC connects.
Step 406, after eNodeB releases the uplink service carrying of terminal A, sends uplink service carrying
Release complete.After dispatch server receives the Release complete of uplink service carrying, it is cleared on this
The related resource that row service bearer is set up.
Wherein, terminal A release RRC connects and the uplink service carrying of eNodeB release terminal A can be with
Shi Jinhang.
Fig. 5 show the schematic flow sheet of eNodeB forcible aborting terminal right of speech, and trunked call is successfully established
After, certain group member (terminal A) takies right of speech, if after eNodeB detects that link is abnormal, can force
The right of speech of release terminal A (right of speech terminal), detailed process is as follows:
Step 501, after eNodeB detects that the link of terminal A is abnormal, sends for end to dispatch server
The uplink service carrying releasing request message of end A, is carried in T1 message.
Step 502, after dispatch server receives uplink service carrying releasing request message, forces to regain terminal A
Right of speech, talking state machine transfers right of speech idle condition to simultaneously, and sends right of speech prompting message to eNodeB；
ENodeB not dialogue right prompting message processes, and is directly forwarded to all members of group (terminal A and B),
Prompting right of speech is idle.
It is preferred that right of speech prompting message can use NAS message；This NAS message is carried in T1 and disappears
In breath.
In order to avoid the new user accessed cannot receive right of speech prompting message, dispatch server can be in T1 message
In carry repeating transmission instruction, instruction eNodeB periodically to other all group members retransmit right of speech prompting message.
Step 503, the uplink service carrying of dispatch server notice eNodeB release terminal A and RRC are even
Connect.
Step 504, eNodeB notice terminal A release RRC connects.
Step 505, after eNodeB releases the uplink service carrying of terminal A, sends uplink service carrying
Release complete.After dispatch server receives the Release complete of uplink service carrying, it is cleared on this
The related resource that row service bearer is set up.
Wherein, terminal A release RRC connects and the uplink service carrying of eNodeB release terminal A can be with
Shi Jinhang.
Fig. 6 show the schematic flow sheet that right of speech is seized, and after trunked call is successfully established, certain group member is (eventually
End A) take right of speech, if the right of speech priority of terminal B is higher than terminal A, then (new right of speech is eventually for terminal B
End) right of speech of terminal A (right of speech terminal) can be seized, detailed process is as follows:
Step 601, terminal B presses PTT key application right of speech, and terminal B sends RRC even to eNodeB
Connect foundation request message.
Step 602, after eNodeB receives RRC connection request message, eNodeB is adjusted by time slot and guarantees
Uplink synchronous, distributes ascending resource simultaneously, sends RRC connection establishment notification message, notice to terminal B
Terminal B is set up RRC and is connected, and carries the ascending resource of distribution in an announcement message.
Step 603, after RRC connection establishment completes, terminal B on the most the allocated ascending resource to eNodeB
Application sending the right words request message, it is preferred that this message can use NAS message, can also use certainly
Conventional message between other-end and eNodeB；
Preferably, according to 3GPP standard, this NAS message can be sent to eNodeB by MSG3 message.
Step 604, eNodeB sends the right to apply for words request message of terminal B to dispatch server.
In this step, the NAS message of the right to apply for words request message is carried in T1 message.
Step 605, after dispatch server receives terminal B the right to apply for words request message, believes according to priority etc.
Breath compares decision-making, determines that the right of speech priority of terminal B higher than terminal A, then needs forcible aborting terminal
The right of speech of A, and determine right of speech granting terminal B.So, dispatch server is released to terminal A transmission right of speech
Putting request message, meanwhile, the talking state machine of dispatch server transfers right of speech release conditions to, and starts right of speech
Release timer.
It is preferred that right of speech releasing request message can use NAS message；This NAS message is carried in T1
In message.
If right of speech release timer does not receives the right of speech release response message of terminal A after then, then it is assumed that terminal
The right of speech of A has discharged complete, jumps directly to step 607.
Step 606, after terminal A receives the right of speech releasing request message of dispatch server, closes microphone, stops
Spline sends out voice, sends right of speech release response message to dispatch server.
Step 607, dispatch server cut out right of speech release timer, talking state machine transfers right of speech sky to simultaneously
Not busy state.Dispatch server notice eNodeB is released to the uplink service carrying of terminal A foundation with RRC even
Connect.
Step 608, eNodeB notice terminal A release RRC connects.
Step 609, after eNodeB releases the uplink service carrying of terminal A, sends uplink service carrying
Release complete.After dispatch server receives the Release complete of uplink service carrying, it is cleared on this
The related resource that row service bearer is set up.
Wherein, terminal A release RRC connects and the uplink service carrying of eNodeB release terminal A can be with
Shi Jinhang.
Step 610, when determining right of speech granting terminal B, sets up the uplink service carrying of terminal B.
Dispatch server checks that terminal B is waiting right of speech to be granted, and true directional terminals B authorizes.It may be noted that
, when applying for right of speech, no matter whether the uplink service carrying of terminal B exists, and is required for re-establishing
The uplink service carrying of terminal B.Concrete: dispatch server sends carrying foundation request to eNodeB and disappears
Breath, wherein carries the first tunnel ID of uplink service that dispatch server is terminal B carrying distribution, meanwhile,
The talking state machine of dispatch server transfers right of speech pre-authorization state to, and starts right of speech pre-authorization intervalometer.
Illustrate: this step can be carried out with step 607 simultaneously.If right of speech pre-authorization intervalometer does not receives after then
Response message is set up in the carrying that eNodeB returns, then carrying is set up unsuccessfully, dispatch server notice terminal B
Release speech right, flow process terminates.
Step 611, eNodeB recording carrying sets up the first tunnel ID carried in request message, for terminal B
Set up uplink service carrying, and notify that terminal B is heavily joined RRC and connected.
Step 612, the RRC connection of terminal B notifies eNodeB after heavily having joined.
Step 613, NodeB receive terminal B RRC connect heavily join completion message after, to dispatch server
Send carrying and set up response message, wherein carry the of the carrying distribution of uplink service that eNodeB is terminal B
Two tunnel ID, the second tunnel ID are corresponding with the first tunnel ID that dispatch server distributes.
Step 614, dispatch server receives after the carrying of eNodeB sets up response message, records eNodeB
Uplink service for terminal B carries the second tunnel ID of distribution, closes right of speech pre-authorization intervalometer, to terminal
B sends right of speech authorization messages, and talking state machine transfers right of speech licensing status to simultaneously, starts right of speech mandate timing
Device.
It is preferred that right of speech authorization messages can use NAS message；This NAS message is carried in T1 and disappears
In breath.
If right of speech mandate intervalometer then after, dispatch server do not receive terminal B return right of speech authorization response
Message, then dispatch server notice terminal B release speech right, flow process terminates.
Step 615, terminal B is to dispatch server response right of speech authorization response message, and user is by eventually simultaneously
End B loquiturs.
It is preferred that right of speech authorization response message can use NAS message；This NAS message is carried in T1
In message.
Step 616, after dispatch server receives the right of speech authorization response message of terminal B, stops right of speech mandate
Intervalometer, sends right of speech prompting message to eNodeB；ENodeB not dialogue right prompting message processes, directly
Switch through other all group members issued in addition to terminal B, point out the right of speech of other all group member groups
Occupied, the user of terminal B talks.
It is preferred that right of speech prompting message can use NAS message；This NAS message is carried in T1 and disappears
In breath.
In order to avoid the new user accessed cannot receive right of speech prompting message, dispatch server can be in T1 message
In carry repeating transmission instruction, instruction eNodeB periodically to other all group members retransmit right of speech prompting message.
In the above-described embodiments, the use of intervalometer greatly reduces the time delay of the right to apply for words, allows users to
Quickly obtain right of speech.
The method realizing call management in the above-mentioned LTE group system of the present invention, goes for such as Fig. 7 institute
The framework shown.
In the architecture:
Terminal: possess the terminal unit of group service function, also possesses interconnection call business, packet count simultaneously
According to the multiple business ability such as business, short message service, can roam in system whole-network coverage.
Broadband wireless access subsystem: be made up of several eNodeB, in order to complete the access function of terminal,
And use type of service to distribute corresponding subsystem processes according to user.
Scheduler subsystem: in order to complete the control of terminal cluster business in coverage and management function, be
The control centre of group service.
Scheduler subsystem includes: dispatch server, schedule register and dispatching desk, wherein:
Dispatch server, it is achieved the Call-Control1 of trunked call and right of speech management.
Schedule register, preserves cluster user and the log-on message of group and positional information, it is achieved use cluster
The authentication at family, mandate and billing function, and location updating and group management function.
Dispatching desk, safeguards the session of each dispatching desk, turnkey console, it is achieved turnkey console and dispatching desk are to colony dispatching
Management and maintenance.
In order to realize said method, present invention also offers a kind of call management realizes system, including: eventually
End, base station and dispatch server；Wherein:
Terminal and base station, be used for setting up RRC and connect, and application sending the right words request；
Dispatch server, for after receiving the right to apply for words request, selects right of speech from one or more terminals
Terminal；It is additionally operable to set up the uplink service carrying of right of speech terminal, and authorizes right of speech to right of speech terminal.
Preferably, dispatch server, it is additionally operable to send carrying to base station and sets up request message, wherein carry tune
Degree server is the first tunnel ID of the uplink service carrying distribution of right of speech terminal；
Base station, is additionally operable to recording carrying and sets up the first tunnel ID carried in request message, build for right of speech terminal
Vertical uplink service carrying, and notify that right of speech terminal is heavily joined RRC and connected；
Base station, is additionally operable to receive after the RRC of right of speech terminal connects and heavily join completion message, sends out to dispatch server
Send carrying to set up response message, wherein carry the second tunnel of the uplink service carrying distribution that base station is right of speech terminal
Road ID；
Dispatch server, is additionally operable to recording carrying and sets up the second tunnel ID carried in response message, completes words
The foundation of the uplink service carrying of power terminal.
Dispatch server, is additionally operable to send right of speech authorization messages to right of speech terminal；
Right of speech terminal, after being additionally operable to receive right of speech authorization messages, responding right of speech mandate to dispatch server should
Answer message, and start speech.
Terminal, is additionally operable to send RRC connection establishment request message to base station；
Base station, for for terminal distribution ascending resource, and sends RRC connection establishment notification message to terminal；
Terminal, is additionally operable to set up after RRC connected, please to base station application sending the right words on ascending resource
Seek message；
Base station, is additionally operable to ask message to be transmitted to dispatch server the right to apply for words；
Dispatch server, in being additionally operable to receive group after the right to apply for words request message of one or more terminals,
Select the terminal that right of speech priority is the highest as right of speech terminal from one or more terminals.
Right of speech terminal, is additionally operable to apply for right of speech release.
Dispatch server, is additionally operable to the right of speech of release speech right terminal.
Base station, is additionally operable to the right of speech of release speech right terminal.
Right of speech priority, higher than the terminal of right of speech terminal, is additionally operable to seize right of speech.
Here, what right of speech release and right of speech were seized implements respectively with the reality shown in above-mentioned Fig. 3,4,5,6
Executing described in example, here is omitted.
The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose.
Claims (19)
1. the implementation method of a call management, it is characterised in that the method includes:
One or more terminals in group and base station are set up after radio resource control RRC connects, to scheduling clothes
Business device application sending the right words request；Dispatch server selects right of speech terminal from the one or more terminal；
Dispatch server sets up the uplink service carrying of described right of speech terminal, and authorizes right of speech to described terminal；
Described dispatch server sets up the uplink service carrying of described right of speech terminal, including:
Described dispatch server sends carrying and sets up request message to described base station, wherein carries dispatch server
Uplink service for described right of speech terminal carries the first Tunnel Identifier ID of distribution；
Described base station recording carrying sets up the first tunnel ID carried in request message, sets up for right of speech terminal
Row service bearer, and notify that right of speech terminal is heavily joined RRC and connected；
Described base station receive right of speech terminal RRC connect heavily join completion message after, to dispatch server send hold
Load sets up response message, wherein carries the second tunnel of the uplink service carrying distribution that base station is right of speech terminal
ID；
Dispatch server recording carrying sets up the second tunnel ID carried in response message, completes right of speech terminal
The foundation of uplink service carrying.
The implementation method of call management the most according to claim 1, it is characterised in that to described right of speech eventually
End authorizes right of speech, including:
Dispatch server sends right of speech authorization messages to right of speech terminal；
After right of speech terminal receives right of speech authorization messages, respond right of speech authorization response message to dispatch server,
And start speech.
The implementation method of call management the most according to claim 1, it is characterised in that described terminal and base
Station is set up RRC and is connected, including:
Terminal sends RRC connection establishment request message to base station；
Base station is terminal distribution ascending resource, and sends RRC connection establishment notification message to terminal, described
RRC connection establishment completes.
The implementation method of call management the most according to claim 3, it is characterised in that described to scheduling clothes
Business device application sending the right words request, including:
After RRC has connected, terminal asks message to base station application sending the right words on described ascending resource；
Described the right to apply for words request message is transmitted to described dispatch server by base station；
Described dispatch server selects right of speech terminal from the one or more terminal, including:
The described the right to apply for words request of described dispatch server one or more described terminals in receiving group disappears
After breath, select the terminal that right of speech priority is the highest as right of speech terminal from the one or more terminal.
The implementation method of call management the most according to claim 2, it is characterised in that to described right of speech eventually
After end authorizes right of speech, the method also includes:
Dispatch server passes through base station other all terminals in group in addition to right of speech terminal and sends right of speech prompting
Message, prompting right of speech is occupied.
The implementation method of call management the most according to claim 2, it is characterised in that to described right of speech eventually
After end authorizes right of speech, the method also includes:
Dispatch server sends right of speech row to the terminal of the request message of other application sending the right words in addition to right of speech terminal
Team's message, and indicate base station release terminal of other application sending the right words request message in addition to right of speech terminal
RRC connects.
The implementation method of call management the most according to claim 1, it is characterised in that the method also includes:
Described right of speech terminal application right of speech discharges, for:
Described right of speech terminal sends right of speech releasing request message to dispatch server；
Described dispatch server returns right of speech release response message, release speech right.
The implementation method of call management the most according to claim 1, it is characterised in that the method also includes:
Described dispatch server discharges the right of speech of described right of speech terminal, for:
Dispatch server sends right of speech releasing request message to described right of speech terminal；
Described right of speech terminal returns right of speech release response message, release speech right.
The implementation method of call management the most according to claim 1, it is characterised in that the method also includes:
Described base station discharges the right of speech of described right of speech terminal, for:
Base station sends the uplink service for right of speech terminal to dispatch server and carries releasing request message；
After dispatch server receives described uplink service carrying releasing request message, release speech right.
10. according to the implementation method of call management described in claim 7,8 or 9, it is characterised in that described
After release speech right, the method also includes:
Dispatch server sends right of speech prompting message by base station all terminals in group, and prompting right of speech is idle.
The implementation method of 11. call managements according to claim 10, it is characterised in that described release is talked about
Quan Hou, the method also includes:
Dispatch server notice base station discharges the described uplink service carrying of described right of speech terminal and described RRC
Connect；
Base station notifies that described right of speech terminal discharges described RRC and connects, and discharges the described of described right of speech terminal simultaneously
Uplink service carries；After the carrying release of described uplink service completes, base station returns up to dispatch server
The Release complete of service bearer.
12. according to the implementation method of the arbitrary described call management of claim 1 to 6, it is characterised in that should
Method also includes: right of speech priority seizes right of speech higher than the terminal of described right of speech terminal, for:
After dispatch server receives the right to apply for words request, determine the right of speech of the terminal that application sending the right words asks
Priority higher than described right of speech terminal time, using described right of speech priority higher than described right of speech terminal terminal as
New right of speech terminal；
Dispatch server discharges the right of speech of described right of speech terminal, and notifies that base station discharges the upper of described right of speech terminal
Row service bearer and RRC connect, and meanwhile, dispatch server is set up the uplink service of described new right of speech terminal and held
Carry, and authorize right of speech to described new right of speech terminal.
13. 1 kinds of call managements realize system, it is characterised in that including: terminal, base station and scheduling clothes
Business device；Wherein:
Described terminal and described base station, be used for setting up RRC and connect, and application sending the right words request；
Described dispatch server, for after receiving the request of described the right to apply for words, from one or more described ends
End selects right of speech terminal；It is additionally operable to set up the uplink service carrying of described right of speech terminal, and to described right of speech
Terminal authorizes right of speech；
Described dispatch server, is additionally operable to send carrying to described base station and sets up request message, wherein carry tune
Degree server is the first tunnel ID of the uplink service carrying distribution of described right of speech terminal；
Described base station, is additionally operable to recording carrying and sets up the first tunnel ID carried in request message, for described words
Power terminal sets up uplink service carrying, and notifies that described right of speech terminal is heavily joined RRC and connected；
Described base station, is additionally operable to receive after the RRC of right of speech terminal connects and heavily join completion message, to dispatch service
Device sends carrying and sets up response message, wherein carries the of the carrying distribution of uplink service that base station is right of speech terminal
Two tunnel ID；
Described dispatch server, is additionally operable to recording carrying and sets up the second tunnel ID carried in response message, complete
Become the foundation of the uplink service carrying of right of speech terminal.
14. realize system according to call management described in claim 13, it is characterised in that
Described dispatch server, is additionally operable to send right of speech authorization messages to described right of speech terminal；
Described right of speech terminal, after being additionally operable to receive right of speech authorization messages, responds right of speech to dispatch server and awards
Power response message, and start speech.
15. realize system according to call management described in claim 13, it is characterised in that
Described terminal, is additionally operable to send RRC connection establishment request message to described base station；
Described base station, for for described terminal distribution ascending resource, and sends RRC to described terminal and connects and build
Vertical notification message；
Described terminal, is additionally operable to set up after RRC connected, sends out to described base station on described ascending resource
The right to apply for words is sent to ask message；
Described base station, is additionally operable to described the right to apply for words request message is transmitted to described dispatch server；
Described dispatch server, the described right of speech Shen of one or more described terminals in being additionally operable to receive group
After please asking message, from one or more described terminals, select the described terminal conduct that right of speech priority is the highest
Right of speech terminal.
16. realize system according to call management described in claim 13, it is characterised in that
Described right of speech terminal, is additionally operable to apply for right of speech release.
17. realize system according to call management described in claim 13, it is characterised in that
Described dispatch server, is additionally operable to discharge the right of speech of described right of speech terminal.
18. realize system according to call management described in claim 13, it is characterised in that
Described base station, is additionally operable to discharge the right of speech of described right of speech terminal.
19. realize system according to call management described in claim 13, it is characterised in that
Right of speech priority, higher than the described terminal of described right of speech terminal, is additionally operable to seize right of speech.
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| CN105637909A (en) * | 2014-09-26 | 2016-06-01 | 华为技术有限公司 | Emergency communication method and apparatus |
| CN105592426A (en) * | 2014-10-20 | 2016-05-18 | 中兴通讯股份有限公司 | Method and device for applying speaking right in PTT call and cluster core network |
| ES2881502T3 (en) * | 2015-06-29 | 2021-11-29 | Huawei Tech Co Ltd | Method, apparatus and system for word control in multiple MCPTT systems |
| CN106162573B (en) * | 2016-09-14 | 2020-02-28 | 海能达通信股份有限公司 | Cluster group call processing method, related equipment and system |
| CN107733631A (en) * | 2017-10-31 | 2018-02-23 | 深圳市惟新科技股份有限公司 | The right of speech control method and device of full-duplex terminal |
| CN110290479A (en) * | 2018-03-19 | 2019-09-27 | 海能达通信股份有限公司 | The control method and relevant device of right of speech in a kind of MCPTT system |
| CN113132922B (en) * | 2020-01-15 | 2022-09-09 | 成都鼎桥通信技术有限公司 | Method and device for playing group call prompt tone |
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| CN1968455A (en) * | 2005-11-15 | 2007-05-23 | 中兴通讯股份有限公司 | Method for controlling session right of common multimedia terminal in trunked call |
| CN102137337B (en) * | 2010-01-27 | 2013-09-25 | 普天信息技术研究院有限公司 | Method for quickly setting up group calling in digital trunking communication system |
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