CN100455067C - Method for realizing single-calling in colony system - Google Patents

Method for realizing single-calling in colony system Download PDF

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Publication number
CN100455067C
CN100455067C CNB2005100862061A CN200510086206A CN100455067C CN 100455067 C CN100455067 C CN 100455067C CN B2005100862061 A CNB2005100862061 A CN B2005100862061A CN 200510086206 A CN200510086206 A CN 200510086206A CN 100455067 C CN100455067 C CN 100455067C
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base station
ptt
calling
dispatch server
message
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CN1909689A (en
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陆文玲
刘金龙
吴强
李伟浩
孙波
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Caltta Technologies Co ltd
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ZTE Corp
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Priority to CNB2005100862061A priority Critical patent/CN100455067C/en
Priority to PCT/CN2006/001934 priority patent/WO2007014528A1/en
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    • 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
    • H04W76/00Connection management
    • H04W76/40Connection management for selective distribution or broadcast
    • H04W76/45Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention relates to a method for realizing single call in group system, which can be used in code division multiple access group system with base station, terminal, exchanger, mobile exchange center, and distribute server, wherein said method comprises: initializing the PTT single call; paging the single call; requesting PTT; releasing PTT; PTT terminal initializes the call release; the distribute sever initializes the call release. The invention can improve the frequency resource utilization and realize smooth transition to third generation communication.

Description

Realize the method for individual calling in a kind of group system
Technical field
The present invention relates to the implementation method of individual calling in a kind of group system, particularly relate to the method for individual calling in CDMA (CodeDivision Multiple Access, code division multiple access) Digital Clustering field.
Background technology
The honeycomb trunked communication system combines cellular communication system and specific schedule communication system, has both expanded the scope of business of cellular communication system, makes trunked communication system break away from the specific-dispatching communication system in function and regional limitation again.
Trunking communication is a kind of semiduplex communication modes, adopts the mode of PoC PTT (Push to Talk) to carry out communication.An important service function of group system is the PTT individual calling, and this is a kind of point-to-point talking mode.Traditional trunking communication all is the mode that adopts time division multiple access, exist frequency resource utilize low, can't be to defectives such as third generation communication seamlessly transit, and CDMA technology can address these problems.
Summary of the invention
Technical problem to be solved by this invention is to provide the method that realizes individual calling in a kind of group system, has solved the method that realizes individual calling in CDMA technology, thereby has improved the frequency resource utilance of group system, and realizes seamlessly transitting to third generation communication.
To achieve these goals, the invention provides the method that realizes individual calling in a kind of group system, be applicable to the CDMA cluster system that comprises base station, terminal, switch and mobile switching centre thereof, PTT dispatch server, comprising:
Step is exhaled in rising of one PTT individual calling;
The paging step of one PTT individual calling;
The step of one PTT request;
The step that one PTT discharges;
The step that the calling that one PTT terminal is initiated discharges; And
The step that the calling that one described dispatch server is initiated discharges.
Realize the method for individual calling in the described group system, wherein, the step of exhaling that rises of described PTT individual calling further comprises:
Step 101, calling subscriber send call message to described base station, and described base station sends acknowledge message to the calling subscriber after receiving call message;
Step 102, set up described base station and be connected with calling between the described dispatch server;
Step 103, described base station send business request information to described switch, and described switch sends the assignment request to described base station after receiving this message;
Step 104, described base station send Extended Channel Assignment Message to described calling subscriber after receiving described assignment request;
Step 105, described base station begin to catch the calling subscriber, and notify described switch assignment to finish behind acquisition success, notify described dispatch server call setup to finish simultaneously; And
Step 106, sets up at calling and to finish, and described dispatch server receives that the call setup of Called Subscriber finishes after the message that described dispatch server sends authorization messages to described calling subscriber; After described calling subscriber receives authorization messages, send authorization response message to described dispatch server by the base station.
Realize the method for individual calling in the described group system, wherein, described step 102 comprises that further described dispatch server carries out the step of authentication to the user.
Realize the method for individual calling in the described group system, wherein, described step 1-5 comprises further that described base station is caught and carries out between described base station and calling subscriber among the calling subscriber that signaling is shaken hands and/or the step of service negotiation.
Realize the method for individual calling in the described group system, wherein, the step of the paging of described PTT individual calling further comprises:
Step 401, described dispatch server receive after calling subscriber's the call request that to described base station calling called subscriber, described paged user beams back page response to described base station;
Step 402, described base station send business request information to described switch, and described switch sends the assignment request to described base station after receiving this message;
Step 403, described base station send Extended Channel Assignment Message to the called subscriber after receiving described assignment request;
Step 404, described base station begin to catch the called subscriber, and notify described switch assignment to finish behind acquisition success, notify described dispatch server call setup to finish simultaneously; And
Step 405, described dispatch server send the conversation prompt tone to described called subscriber after receiving calling subscriber's authorization response message, the conversation beginning.
Realize the method for individual calling in the described group system, wherein, described step 404 comprises further that described base station is caught and carries out between described base station and called subscriber among the called subscriber that signaling is shaken hands and/or the step of service negotiation.
Realize the method for individual calling in the described group system, wherein, QoS of customer and/or security parameter are carried in described assignment request.
Realize the method for individual calling in the described group system, wherein, described Extended Channel Assignment Message carries the Radio Resource of described base station assigns, described Radio Resource comprises configuration, multiplex mode and rate set, frequency, frequency range, frame biasing, radio configuration RC, Pilot PN, the walsh code walshcode of primary channel, one or more among the user IMSI.
Realize the method for individual calling in the described group system, wherein, the step of described PTT request further comprises:
Step 801, the described terminal that is in state of activation are pressed the PTT key, and send the PTT request message by the base station to described dispatch server;
Step 802, described dispatch server are arbitrated after receiving the PTT request message, and send authorization messages by described base station to terminal;
Step 803, judge and analyze the type of the authorization messages that described terminal is received, described terminal is made according to described grant message type and is sent prompt tone in a minute and send authorization response message or return the processing of initial activation state to described dispatch server; And
Whether step 804, described dispatch server basis are received the authorization response message of described terminal and are made the PTT processing of request of accepting or no longer accepting other users again.
The method of realization individual calling in the described group system, wherein, if described authorization messages is spoken for authorizing, then described terminal sends authorization response message by described base station to described dispatch server when sending the prompt tone of speaking; If described authorization messages is refusal PTT request, then described terminal is back to the initial activation state.
Realize the method for individual calling in the described group system, wherein,, then no longer accept other user's PTT request if described dispatch server is received the authorization response message of described terminal; If described dispatch server is not received the authorization response message of described terminal, then accept other user's PTT request again.
Realize the method for individual calling in the described group system, wherein, the step that described PTT discharges further comprises:
Step 111, the terminal of pressing the PTT key are unclamped the PTT key, and send the PTT release message by the base station to described dispatch server;
After step 112, described dispatch server are received release message, send release by described base station to described terminal and reply, represent this PTT conversation end.
Realize the method for individual calling in the described group system, wherein, the step that the calling that described PTT terminal is initiated discharges further comprises:
Step 121, described terminal initiate to discharge request message to described base station, and described base station sends to terminal and discharges response, discharges the resource of having distributed simultaneously, and initiates to discharge request to dispatch server and mobile switching centre;
Step 122, described dispatch server, mobile switching centre send release command to described base station respectively after receiving the request of release; And
After step 123, described base station collect the release command message of dispatch server and mobile switching centre, notify described dispatch server, mobile switching centre to discharge and finish.
Realize the method for individual calling in the described group system, wherein, the step that the calling that described dispatch server is initiated discharges further comprises:
Step 131, described dispatch server are to the release command that makes a call of described base station, and described base station sends the request of release to described mobile switching centre after receiving release command;
Request message is initiated to discharge to described terminal in step 132, described base station, discharges the resource of having distributed simultaneously; And
After step 133, described base station collect the release command message of the release response message of described terminal and mobile switching centre, notify described dispatch server, mobile switching centre to discharge and finish.
The present invention proposes the method that has realized the PTT individual calling on CDMA technology, utilize lowly thereby improved frequency resource, and solved can't be to defectives such as third generation communication seamlessly transit.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is that the PTT individual calling rises and exhales flow chart;
Fig. 2 is a PTT individual calling paging flow chart.
Embodiment
To be solved by this invention is the method that a kind of PTT individual calling is provided in cdma system, makes the PTT individual calling have the advantage of cdma system.
For achieving the above object, the present invention proposes a kind of method that in cdma system, realizes the PTT individual calling.The CDMA group system that this method relates generally to is by travelling carriage (MS, Mobile Station), base station sub-system (BSS, Base Station Subsystem), PTT scheduler subsystem/dispatch server (PDS, PTTDispatching Server), switching subsystem (MSS, Mobile Switch Subsystem) is formed.This method mainly may further comprise the steps:
The first step: the PTT individual calling work the process of exhaling;
Second step: the paging of PTT individual calling;
The 3rd step: PTT request process;
The 4th step: PTT dispose procedure;
The 5th step: the calling dispose procedure that the PTT terminal is initiated; And
The calling dispose procedure that the 6th step PDS initiates.
The described first step works the process of exhaling for the PTT individual calling, and this step can comprise the following steps: again
1. the calling subscriber sends call message to the base station, and the base station sends acknowledge message to the calling subscriber after receiving call message.
2. the base station connects with setting up between PDS to call out, and this PDS also can carry out authentication to the user, and content comprises the authority whether it has the PTT business etc.
3. the base station sends business request information to switch, after switch is received this message, sends the assignment request to the base station.
4. after the assignment request that switch sends is received in the base station, send Extended Channel Assignment Message to the calling subscriber.
5. the base station begins to catch terminal, and service negotiation is shaken hands with increasing signaling between the calling subscriber in this base station.
6. after the capture terminal success, base station notice switch assignment is finished, and base station notice PDS call setup is finished simultaneously.
7. sets up at calling and finish, and PDS receives that the call setup of Called Subscriber finishes after the message that PDS authorizes to the calling subscriber.After terminal is received authorization messages, return the PTT authorization response message to PDS by the base station.
Described second step is PTT individual calling paging, and this step can comprise the following steps: again
8.PDS receive after calling subscriber's the call request that to the base station calling called subscriber, paged user beams back page response to the base station.
9. the base station sends business request information to switch, after switch is received this message, sends the assignment request to the base station.
10. the base station sends Extended Channel Assignment Message to the called subscriber after receiving the assignment request that switch sends.
11. the base station begins to catch terminal, service negotiation is shaken hands with increasing signaling between the called subscriber in this base station.
12. after catching called subscriber's success, base station notice switch assignment is finished, base station notice PDS call setup is finished simultaneously.
13.PDS send the conversation prompt tone to the called subscriber after receiving calling subscriber's authorization response message, the conversation beginning.
Described the 3rd step is the PTT request process, and this step can comprise the following steps: again
Press the PTT key 14. be in the terminal of state of activation, terminal sends the PTT request message by the base station to PDS.
15.PDS after receiving the PTT request message, arbitrate, send authorization messages to terminal by the base station.Authorization messages can be to authorize to speak, and also can be refusal PTT request.
16. if the authorization messages that terminal is received is to authorize to speak, then terminal sends authorization response message by the base station to PDS when sending the prompt tone of speaking.If the authorization messages that terminal is received is refusal PTT request, then terminal is got back to initial state of activation.
17.PDS after receiving the authorization response message of terminal, no longer accept other user's PTT request.If PDS does not receive this message, then accept other user's request again.
Described the 4th step is the PTT dispose procedure, and this step can comprise the following steps: again
18. if unclamp the PTT key press the terminal of PTT key, terminal sends the PTT release message by the base station to PDS.
19.PDS after receiving release message, send release by the base station to terminal and reply, represent this PTT conversation end.
The calling dispose procedure that described the 5th step initiates for terminal, this step can comprise the following steps: again
20. terminal initiates to discharge request message to the base station, the base station sends to terminal and discharges response, discharges the resource of having distributed simultaneously, and all initiates to discharge request to PDS and MSC (Mobile Switching Center, mobile switching centre).
21.PDS after receiving the request of release, send release command to the base station; After MSC receives the request of release, send release command to the base station.
22. after the base station collected the release command message of PDS and MSC, notice PDS discharged and finishes, notice MSC discharges and finishes.
The calling dispose procedure that described the 6th step initiates for PDS, this step can comprise the following steps: again
23.PDS to the base station release command that makes a call, the base station sends the request of release to MSC after receiving release command.
24. request message is initiated to discharge to terminal in the base station, the base station discharges the resource of having distributed simultaneously;
25. after the base station collected the release command message of the release response message of terminal and MSC, notice PDS discharged and finishes, notice MSC discharges and finishes.
Be example with the cluster communication system based on the CDMA standard below, the enforcement to technical scheme is described in further detail in conjunction with the accompanying drawings:
Fig. 1 has described the PTT individual calling and has risen and exhale flow chart, and this flow process comprises the steps:
(101): terminal 10 sends call message to base station 20;
(102): base station 20 sends acknowledge message to terminal 10 after receiving call message;
(103): base station 20 sends call request to PDS 30;
(104): PDS 30 sends call connection request message to base station 20, and this call connection request message portability type of call is an individual calling, and call property is that urgent call still preempts preferably, call priority, the preferred indication of preemption etc.;
(105): base station 20 sends business request information to switch 40;
(106): switch 40 sends the assignment request to base station 20, information such as assignment request portability QoS of customer, security parameter;
(107): base station 20 sends Extended Channel Assignment Message to terminal 10, this assignment message need carry base station 20 assigned radio resource: the configuration of primary channel, multiplex mode and rate set, frequency, frequency range, frame biasing, RC, PN, walshcode, information such as user IMSI.Base station 20 sends the Null traffic frame to terminal 10, attempts catching terminal 10.After base station 20 captures the prefix Preamble of Reverse Fundamental Channel of terminal 10, show that terminal 10 enters Traffic Channel and caught by base station 20;
(108): behind the Traffic Channel acquisition success, base station 20 sends assignment to switch 40 and finishes message;
(109): base station 20 sends call setup to PDS 30 and finishes message;
(110): PDS 30 sends authorization messages to base station 20 after the call setup of receiving the Called Subscriber transmission is finished message;
(111): base station 20 sends authorization message to terminal 10;
(112): terminal 10 sends authorization response message to base station 20;
(113): base station 20 sends authorization response message to PDS 30.
Fig. 2 has described PTT individual calling paging flow chart, and this flow process comprises the steps:
(201): PDS 30 sends the beep-page message call connection request to base station 20;
(202): base station 20 sends beep-page messages to terminal 10 after receiving the beep-page message of PDS 30;
(203): terminal 10 is to 20 page responses in base station;
(204): base station 20 sends business request information to switch 40;
(205): switch 40 sends assignment request, this assignment request portability QoS of customer, information such as security parameter to base station 20;
(206): base station 20 sends Extended Channel Assignment Message to terminal 10, this assignment message need carry base station 20 assigned radio resource: the configuration of primary channel, multiplex mode and rate set, frequency, frequency range, frame biasing, RC, PN, walshcode, information such as user IMSI.Base station 20 sends the Null traffic frame to terminal 10, attempts catching terminal 10.After base station 20 captures the Preamble of Reverse Fundamental Channel of terminal 10, show that terminal 10 enters Traffic Channel and caught by base station 20;
(207): behind the Traffic Channel acquisition success, base station 20 sends assignment to switch 40 and finishes message; And
(208): base station 20 sends call setups to PDS 30 and finishes message, and PDS 30 sends the conversation prompt tone for terminal 10 after receiving calling subscriber's authorization response message, the conversation beginning.
The present invention proposes the method that has realized the PTT individual calling on CDMA technology, utilize lowly thereby improved frequency resource, and solved can't be to defectives such as third generation communication seamlessly transit.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (13)

1, realize the method for individual calling in a kind of group system, be applicable to the CDMA cluster system that comprises base station, terminal, switch and mobile switching centre thereof, PoC PTT dispatch server, comprising:
Step is exhaled in rising of one PTT individual calling;
The paging step of one PTT individual calling;
The step of one PTT request;
The step that one PTT discharges;
The step that the calling that one PTT terminal is initiated discharges; And
The step that the calling that one described dispatch server is initiated discharges; It is characterized in that the step of exhaling that rises of described PTT individual calling further comprises:
Step 101, calling subscriber send call message to described base station, and described base station sends acknowledge message to described calling subscriber after receiving call message;
Step 102, set up described base station and be connected with calling between the described dispatch server;
Step 103, described base station send business request information to described switch, and described switch sends the assignment request to described base station after receiving this message;
Step 104, described base station send Extended Channel Assignment Message to described calling subscriber after receiving described assignment request;
Step 105, described base station begin to catch the calling subscriber, and notify described switch assignment to finish behind acquisition success, notify described dispatch server call setup to finish simultaneously; And
Step 106, sets up at calling and to finish, and described dispatch server receives that the call setup of Called Subscriber finishes after the message that described dispatch server sends authorization messages to described calling subscriber; After described calling subscriber receives authorization messages, send authorization response message to described dispatch server by the base station.
2, realize the method for individual calling in the group system according to claim 1, it is characterized in that described step 102 comprises that further described dispatch server carries out the step of authentication to the calling subscriber.
3, realize the method for individual calling in the group system according to claim 1, it is characterized in that described step 105 comprises further that described base station is caught and carries out between described base station and calling subscriber among the calling subscriber that signaling is shaken hands and/or the step of service negotiation.
4, realize the method for individual calling in the group system according to claim 1, it is characterized in that the step of the paging of described PTT individual calling further comprises:
Step 401, described dispatch server receive after calling subscriber's the call request that to described base station calling called subscriber, described paged user beams back page response to described base station;
Step 402, described base station send business request information to described switch, and described switch sends the assignment request to described base station after receiving this message;
Step 403, described base station send Extended Channel Assignment Message to the called subscriber after receiving described assignment request;
Step 404, described base station begin to catch the called subscriber, and notify described switch assignment to finish behind acquisition success, notify described dispatch server call setup to finish simultaneously; And
Step 405, described dispatch server send the conversation prompt tone to described called subscriber after receiving calling subscriber's authorization response message, the conversation beginning.
5, realize the method for individual calling in the group system according to claim 4, it is characterized in that described step 404 comprises further that described base station is caught and carries out between described base station and called subscriber among the called subscriber that signaling is shaken hands and/or the step of service negotiation.
6, according to the method that realizes individual calling in claim 2,3, the 4 or 5 described group systems, it is characterized in that QoS of customer and/or security parameter are carried in described assignment request.
7, according to the method that realizes individual calling in claim 2,3, the 4 or 5 described group systems, it is characterized in that, described Extended Channel Assignment Message carries the Radio Resource of described base station assigns, described Radio Resource comprises configuration, multiplex mode and rate set, frequency, frequency range, frame biasing, radio configuration RC, Pilot PN, the walsh code walshcode of primary channel, one or more among the user IMSI.
8, realize the method for individual calling in the group system according to claim 1, it is characterized in that the step of described PTT request further comprises:
Step 801, the described terminal that is in state of activation are pressed the PTT key, and send the PTT request message by the base station to described dispatch server;
Step 802, described dispatch server are arbitrated after receiving the PTT request message, and send authorization messages by described base station to terminal;
Step 803, judge and analyze the type of the authorization messages that described terminal is received, described terminal is made according to described grant message type and is sent prompt tone in a minute and send authorization response message or return the processing of initial activation state to described dispatch server; And
Whether step 804, described dispatch server basis are received the authorization response message of described terminal and are made the PTT processing of request of accepting or no longer accepting other users again.
9, realize the method for individual calling in the group system according to claim 8, it is characterized in that, if described authorization messages is spoken for authorizing, then described terminal sends authorization response message by described base station to described dispatch server when sending the prompt tone of speaking; If described authorization messages is refusal PTT request, then described terminal is back to the initial activation state.
10, realize the method for individual calling in the group system according to claim 9, it is characterized in that,, then no longer accept other user's PTT request if described dispatch server is received the authorization response message of described terminal; If described dispatch server is not received the authorization response message of described terminal, then accept other user's PTT request again.
11, realize the method for individual calling in the group system according to claim 1, it is characterized in that the step that described PTT discharges further comprises:
Step 111, the terminal of pressing the PTT key are unclamped the PTT key, and send the PTT release message by the base station to described dispatch server;
After step 112, described dispatch server are received release message, send release by described base station to described terminal and reply, represent this PTT conversation end.
12, realize the method for individual calling in the group system according to claim 1, it is characterized in that the step that the calling that described PTT terminal is initiated discharges further comprises:
Step 121, described terminal initiate to discharge request message to described base station, and described base station sends to terminal and discharges response, discharges the resource of having distributed simultaneously, and initiates to discharge request to dispatch server and mobile switching centre;
Step 122, described dispatch server, mobile switching centre send release command to described base station respectively after receiving the request of release; And
After step 123, described base station collect the release command message of dispatch server and mobile switching centre, notify described dispatch server, mobile switching centre to discharge and finish.
13, realize the method for individual calling in the group system according to claim 1, it is characterized in that the step that the calling that described dispatch server is initiated discharges further comprises:
Step 131, described dispatch server are to the release command that makes a call of described base station, and described base station sends the request of release to described mobile switching centre after receiving release command;
Request message is initiated to discharge to described terminal in step 132, described base station, discharges the resource of having distributed simultaneously; And
After step 133, described base station collect the release command message of the release response message of described terminal and mobile switching centre, notify described dispatch server, mobile switching centre to discharge and finish.
CNB2005100862061A 2005-08-04 2005-08-04 Method for realizing single-calling in colony system Expired - Fee Related CN100455067C (en)

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