CN100426894C - Method for initiating colony communication business - Google Patents
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- CN100426894C CN100426894C CNB2006101272013A CN200610127201A CN100426894C CN 100426894 C CN100426894 C CN 100426894C CN B2006101272013 A CNB2006101272013 A CN B2006101272013A CN 200610127201 A CN200610127201 A CN 200610127201A CN 100426894 C CN100426894 C CN 100426894C
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Abstract
The invention relates to a method for stating group communication service, which comprises calling service user inside the relay mobile exchange center starts the group communication service call; the relay mobile exchange center sends group communication service building information to the main control mobile exchange center, and instructs the group communication service mark information; said main control mobile exchange center based on said mark information builds the group communication service, to build the signal connection and inter-junction share conversation connection between group communication service and the relay mobile exchange service; said calling service user uses inter-junction share conversation to connect communication. The invention can improve the building efficiency of group communication service, to save inter-junction connecting resource.
Description
Technical field
The present invention relates to the communications field, relate to especially in the cluster mobile communcations system, the calling business user in Tandem Mobile Switching Center is initiated the method for cluster communication service.
Background technology
Trunking mobile communication is a kind of less expensive of growing up the seventies in 20th century, than the flexible movement communication system, it is the senior developing stage of traditional dedicated radio scheduling net.Traditional dedicated radio dispatching patcher, integrated planning is poor, and model, standard mix, and net little too much, and coverage rate is narrow, and in addition noise jamming is serious, the frequency resource waste.Therefore, a kind of new the radio dispatching technique--trunking mobile communication just arises at the historic moment, and is widely applied to traffic, each specialized departments such as public security, highway, fire-fighting, electric power, railway, flood control, finance.
So-called cluster communication service, promptly being to use a plurality of wireless channels is numerous user's services, working method with the telephone trunk line applies in the radio communications system exactly, limited dynamics of channels ground, automatically, rapidly and best all users that distribute to whole system, so that utilize the frequency resource of the channel of whole system to the full extent, its utilization switching technology and computer technology is for whole users of system provide very strong packet capability.We can say that trunked mobile communication system is a kind of special user's program controlled switch technology.
Voice group call service (Voice group call service, abbreviation VGCS), Voice Broadcast Service (VoiceBroadcast Service, be called for short VBS) and the multipriority that strengthens be three kinds of basic services of trunking mobile communication with conversion power (EnhanceMulti-Level Precedence and Pre-emption is called for short eMLPP).Wherein VGCS is the multi-user speech that is implemented in the VGCS zone, can the understand speech business of (hearer's quantity is unrestricted) of more user.And VBS realizes calling subscriber's speech, multi-user's obedient (hearer's quantity is unrestricted) speech business.VGCS and VBS have realized the some people speech, and the voice communication mode of the point-to-multipoint of listening to has in many ways broken through the limitation of point-to-point communication.
The initiation of cluster communication service can be initiated by service-user, when calling business user at Tandem Mobile Switching Center (Relay Mobile Switching Centrer, be called for short Relay MSC) when initiating cluster communication service, stipulate according to the 3GPP agreement, as shown in Figure 1, Relay MSC is from Group Call Register (Group CallRegister, abbreviation GCR) obtains Controlling MSC (Anchor Mobile SwitchingCentrer in, abbreviation Anchor MSC) address, according to Anchor MSC address, select the interoffice route, use group call reference (as shown in Table 1) structure message---set up the proprietary connection of interoffice, mail to AnchorMSC, be established to the proprietary connection message of interoffice of Anchor MSC for calling business user; Anchor MSC analyzes the cluster communication service that group call reference is known initiation, and inquiry Anchor GCR, obtain the cluster communication service attribute data, send message to Relay MSC---prepare the group calling request, set up interoffice proprietary be connected of the Relay MSC at this calling business user place to speech channel between the Anchor MSC and signaling for calling business user simultaneously, wherein the proprietary connection of this interoffice is only used for calling business user.
As seen, stipulate according to the 3GPP agreement, when service-user is initiated the cluster communication service calling in Relay MSC, Relay MSC will set up a proprietary speech channel to Anchor MSC for calling business user earlier and be connected with signaling, then, Anchor MSC is a cluster communication service again, and the total speech channel that is established to Relay MSC connects, all hearer's service-users use and should total speech channel connect, and listen to cluster communication service.
Therefore, when service-user is initiated the cluster communication service calling in Relay MSC, needs specially set up the proprietary speech channel of interoffice for calling service and the proprietary of signaling is connected, the speed that not only makes group calling set up is slower, simultaneously, taking of interoffice connection resource is also many, is unfavorable for saving the interoffice connection resource.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of initiating cluster communication service, when service-user is initiated cluster communication service in Relay MSC, improves the speed of setting up cluster communication service, saves interoffice signaling, traffic resource.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions:
A kind of method of initiating cluster communication service comprises:
Calling business user is initiated cluster communication service and is called out in Tandem Mobile Switching Center;
Described Tandem Mobile Switching Center is that described calling business user distributes proprietary wireless channel, and, set up notice to the communication service of Controlling MSC signalling of bouquet, and indicate described cluster communication service identification information;
Described Controlling MSC is set up described cluster communication service according to described cluster communication service identification information, and the signaling that is established to Tandem Mobile Switching Center for described cluster communication service connects and interoffice has speech channel and is connected;
Described calling business user uses the total speech channel of described interoffice to connect speech.
In the method for the invention, alternatively, described Tandem Mobile Switching Center is indicated described cluster communication service identification information to described Controlling MSC, specifically:
In described cluster communication service foundation notice, comprise telecommunication service, call reference information, the described cluster communication service identification information of the common formation of wherein said telecommunication service and described call reference information.
In the method for the invention, alternatively, described cluster communication service is set up notice and is MAP message.
In the method for the invention, alternatively, described MAP message is for preparing group calling indication MAP_PREPARE_GROUP_CALL_IND.
In the method for the invention, alternatively, described Controlling MSC further comprises after receiving described cluster communication service foundation notice:
Described Controlling MSC returns response message to described Tandem Mobile Switching Center.
In the method for the invention, alternatively,, then in described response message, carry failure cause if described cluster communication service is set up failure.
In the method for the invention, alternatively, described cluster communication service is a voice group call service.
In the method for the invention, alternatively, described cluster communication service is a Voice Broadcast Service.
Above technical scheme as can be seen, among the present invention, when calling business user was initiated the cluster communication service calling in Relay MSC, the Relay MSC at calling business user place set up notice to the communication service of Anchor MSC signalling of bouquet, and indicates described cluster communication service identification information; Anchor MSC sets up the total speech channel connection of interoffice for this cluster communication service and is connected with signaling according to this cluster communication service identification information; Described calling business user uses the total speech channel of described interoffice to connect and talks.As seen use the technology of the present invention, when calling business user is initiated the cluster communication service calling in Relay MSC, do not need the Relay MSC that sets up the place for calling business user to connect to the proprietary speech channel of interoffice between the Anchor MSC, signaling, not only improve the efficient that cluster communication service is set up, also saved interoffice signaling, traffic resource.
Description of drawings
Fig. 1 is that service-user is initiated the signaling flow of cluster communication service to schematic diagram in the prior art in Relay MSC;
Fig. 2 is the inventive method schematic flow sheet;
Fig. 3 for use the inventive method initiate group service call out set up the group service process signaling flow to schematic diagram.
Embodiment
Core concept of the present invention is, when calling business user is initiated the cluster communication service calling in Relay MSC, the Relay MSC at calling business user place sends professional foundation of group communication to Anchor MSC and notifies, and indicates described cluster communication service identification information; Anchor MSC sets up described cluster communication service according to described cluster communication service identification information, and the signaling that is established to Tandem Mobile Switching Center for described cluster communication service connects and interoffice has speech channel and is connected; Calling business user uses the total speech channel of described interoffice to connect speech.
In order to make those skilled in the art better understand technology contents of the present invention, content of the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment.
Embodiment 1:
Be illustrated in figure 2 as present embodiment method flow schematic diagram, as shown, this method may further comprise the steps:
Step S201: service-user is initiated cluster communication service and is called out in Relay MSC.
Be in service-user in the Relay MSC and need initiate cluster communication service when calling out, at travelling carriage input group id (Group ID) number, and, select corresponding cluster communication service COS to initiate cluster communication service and call out.
Such as: if when the cluster communication service of this initiation is VGCS, the COS of then corresponding selection VGCS; When if the cluster communication service of this initiation is VBS, the COS of then corresponding selection VBS.The common unique definite group call region sign of group id number (Group Call Area ID) that Group Call Register is initiated the cell ID at cluster communication service place and dialed according to service-user, group id number and group call region sign constitute group call reference as shown in Table 1, cluster communication service of sign that group call reference and cluster communication service COS are unique together.
| Group call region sign (Group call area ID) | Group calling sign (Group ID) |
Table one
Step S202:Relay MSC is that calling business user distributes proprietary wireless channel.
After the service-user place Relay MSC that this initiation cluster communication service is called out receives the service request of service-user, Visited Location Registor (Visited Location Registor to this Relay MSC, be called for short VLR) this service-user is carried out identity checks, if check and pass through, then this service-user is carried out authentication and encryption.After receiving the setup requests of this service-user, check whether correctly the contracted group ID of pre-initiation of this service-user,, arrive Group Call Register again and inquire about the group calling attribute data if check and pass through to the visit location register.The base station system (Base Station System is called for short BSS) of notifying this calling business user place is in the sub-district at this calling business user place, for this calling business user distributes dedicated wireless channel.
Step S203:Relay MSC sets up notice to the communication service of Anchor MSC signalling of bouquet, and indicates described cluster communication service identification information.
Relay MSC sets up notice to the communication service of Anchor MSC signalling of bouquet, and indicates described cluster communication service identification information in notice.
Table two is depicted as the structure of the MAP message of notice Anchor MSC cluster communication service used in the present invention foundation, and the MAP message of using is MAP_PREPARE_GROUP_CALL_Indication (preparing the group calling indication):
| Parameter name Parameter name | Request Request | Indication Indication | Response Response | Confirm Confirm |
| Call sign Invoke Id | Essential (M) | M(＝) | M(＝) | M(＝) |
| Telecommunication service Teleservice | Essential (M) | M(＝) |
| Call reference ASCI Call Reference | Essential (M) | M(＝) | ||
| Cryptographic algorithm Ciphering Algorithm | Essential (M) | C(＝) | ||
| Main group key sign Group Key Number VK-Id | Optional (C) | C(＝) | ||
| Short speech key VSTK Key | Optional (C) | C(＝) | ||
| Short speech key random number VSTK-RAND | Optional (C) | C(＝) | ||
| Priority priority | Optional (C) | C(＝) | ||
| Coding/decoding information CODEC-Information | Essential (M) | C(＝) | ||
| Up idle indication Uplink Free Indicator | Essential (M) | C(＝) | ||
| Group calling number Group Call Number | M | C(＝) | ||
| Application error User Error | C | C(＝) | ||
| Protocol error Provider Error | O |
Table two
As shown in Table 2, telecommunication service Teleservice and call reference ASCI Call Reference identify the cluster communication service that will initiate jointly.
Step S204:Anchor MSC is that signaling that described cluster communication service is established to Tandem Mobile Switching Center connects and interoffice has speech channel and is connected.
After Anchor MSC received cluster communication service foundation notice, according to the cluster communication service sign that notice is carried, the inquiry Group Call Register returned the preparation group calling to initiation Relay MSC and confirms.
The signaling that Anchor MSC is established to Relay MSC for this cluster communication service connects and interoffice has speech channel and is connected.
Step S205: calling business user uses the total speech channel of described interoffice to connect and talks.
Behind the call setup, calling business user uses the total speech channel of described interoffice to connect and talks.
Fig. 3 initiates the message flow of cluster communication service calling to schematic diagram for the calling business user that uses the present embodiment method in Relay MSC.Show as Fig. 3,
When the service-user 401 in the Relay MSC403 is initiated cluster communication service, service-user 401 is to the Relay at this user place BSS402 channel request, request distributes SDCCH (Separate DedicatedControl Channel, Separate Dedicated Control Channel);
Relay BSS402 is that service-user 401 distributes the SDCCH channel, by access grant channel (AGCHAccess Grant Channel, access grant channel) sends immediate assignment message to service-user 401, service-user 401 is assigned on the channel that is distributed;
Service-user 401 sends to Relay BSS402 the Asynchronous Balanced Mode frame is set, and comprises service request in this frame;
Relay BSS402 returns link setup to service-user 401 and confirms according to the received Asynchronous Balanced Mode frame that is provided with;
After Relay BSS402 received the Asynchronous Balanced Mode frame is set, the Relay MSC403 under it sent holostrome three information, was used for sending the business request information that service-user is sent to Relay MSC403;
Whether Relay MSC403 sends the request of access of handling to its corresponding Relay VLR404 after receiving complete layer three information, legal in order to check the identity of initiating service-user.
After Relay VLR404 checks and passes through, return processing to Relay MSC403 and insert response;
Then, Relay MSC403 initiates service-user 401 authentications and encryption.
Service-user 40l sends the request of foundation to Relay MSC403, carries group calling ID in the request of setting up;
After Relay MSC403 receives the request of setting up, send to Relay VLR404 and outwards to send informational message, check whether correctly the contracted group calling ID of pre-initiation of service-user;
After Relay VLR404 checks and to pass through, return to Relay MSC403 and to finish message related to calls, and in finishing message related to calls, carry the subscription data of service-user 401;
After Relay MSC403 receives and finishes message related to calls, send the Group Call Register query requests, inquire about the group calling attribute data of this cluster communication service to Relay GCR405;
After Relay GCR405 receives the Group Call Register query requests, return the response of inquiry Group Call Register, and in the response of inquiry Group Call Register, carry the group calling attribute data of this cluster communication service to Relay MSC403;
Relay MSC403 is to Relay BSS402 transmitting channel assignment request, and indication Relay BSS402 is that service-user 401 distributes the private radio Traffic Channel;
After Relay BSS402 receives the channel assignment request, according to the assignment request is that service-user 401 distributes radio traffic channel, revise indication to the change of service-user 401 transmitting channel patterns, be linked on the radio traffic channel of being distributed with indicating services user 401;
Service-user 401 is according to Channel Mode Modify indication, insert new channel after, respond to Relay BSS402 Return Channel schema modification;
Relay BSS402 finishes notice to the assignment of Relay MSC403 Return Channel after receiving the Channel Mode Modify response, and indicating services user 401 has been assigned to the private radio Traffic Channel;
Relay MSC403 receives after channel assignment finishes notice, send preparation group calling indication to Anchor MSC406, and in this notice, carry the cluster communication service sign and (comprise telecommunication service and call reference, the message structure of this preparation group calling indication is as shown in Table 2), begin to set up the cluster communication service that service-user 401 is initiated with notice Anchor MSC406;
After Anchor MSC406 received and prepares the group calling indication, the Anchor GCR407 that inquires about this MSC correspondence obtained the group calling attribute data.
Anchor GCR407 returns the Group Call Register inquiry response according to the Group Call Register query requests to Anchor MSC406, carries the group calling attribute data of this cluster communication service.
After Anchor MSC406 correctly obtains the group calling attribute data, return the preparation group calling to Relay MSC403 and confirm.Anchor MSC406 all RelayMSC (comprising Relay MSC403) in the Relay MSC tabulation in the group calling attribute data send the group calling request of preparing simultaneously, carry the group calling attribute information of this cluster communication service in request, indication begins to set up cluster communication service;
Relay MSC403 sends the Group Call Register query requests to Relay GCR405 after receiving and preparing the group calling request, inquires about the group calling attribute data of this cluster communication service;
Relay GCR405 returns the Group Call Register inquiry response according to the Group Call Register query requests to Relay MSC403, carries the group calling attribute data of this cluster communication service;
After Relay MSC403 obtains the group calling attribute data of this cluster communication service, send the request of group calling number assignment to Relay VLR404, the request assign group is wailed sign indicating number;
Relay VLR404 returns assign group catchword sign indicating number to Relay MSC403 and replys, and carry the group calling number of distribution in replying according to the request of group calling number assignment;
After Relay MSC403 obtains the group calling number, return preparation group calling response, wherein carry the group calling number to Anchor MSC406;
Anchor MSC406 selects the interoffice route according to the group calling number after receiving and preparing the group calling response, and the total speech channel of interoffice that is established to Relay MSC403 connects, and sends to Relay MSC403 and sets up message, and indication Relay MSC403 sets up the total speech channel of interoffice and connects;
After Relay MSC403 receives and sets up message, send release group calling number notifying to Relay VLR404, indication Relay VLR404 discharges this group calling number, and is established to the total speech channel connection of interoffice of Anchor MSC406;
Simultaneously, Relay MSC403 all Relay BSS (comprising Relay BSS402, is example with Relay BSS402 here) under group call region under this MSC, this cluster communication service send group calling and set up message, are established to the calling control connection of BSS;
Relay BSS402 receives after this group calling sets up message, returns group calling to Relay MSC403 and sets up response, and the indicating call control connection is set up successfully;
After Relay MSC403 receives group calling foundation response, send group calling assignment request to Relay BSS402, be that group call cell distributes group-calling channel, in group calling assignment request, carry the priority of group call reference, group call channel type, group-calling service and other key informations etc.;
After Relay BSS402 receives group calling assignment request, distribute group-calling channel, and after distributing group-calling channel, return group calling assignment result to Relay MSC403;
Simultaneously, Anchor MSC406 is behind correct acquisition group calling attribute data, when promptly all the Relay MSC (comprising Relay MSC403) in the tabulation of Relay MSC in the group calling attribute data send and prepare the group calling request, all Anchor BSS (comprising Anchor BSS408) in this MSC send group calling and set up message, are established to the calling control connection of BSS;
Anchor BSS408 receives after this group calling sets up message, returns group calling to Relay MSC403 and sets up response, and the indicating call control connection is set up successfully;
After Anchor MSC406 receives group calling foundation response, send group calling assignment request to Relay BSS402, be that group call cell distributes group-calling channel, in group calling assignment request, carry the priority of group call reference, group call channel type, group-calling service and other key informations etc.;
Anchor BSS408, receive group calling assignment request after, distribute group-calling channel, and after distributing group-calling channel, return group calling assignment result to Relay MSC403.
So far, the dedicated wireless channel of distributing for service-user 401, be this cluster communication service cell allocation group-calling channel and Relay MSC403 have speech channel to the interoffice of Anchor MSC406, all assigned.
After Relay MSC403 receives the group-calling channel allocation result, send connection message to service-user 401 and Anchor MSC406 respectively;
After service-user 401 receives this connection message, know that cluster communication service successfully sets up, can carry out cluster communication service communication;
And Relay MSC403 sends the request of group calling end signal to Anchor MSC406, and indication Anchor MSC group-calling service in Relay MSC403 is successfully set up.
By on can see, because the present invention is when calling business user is initiated cluster communication service in Relay MSC, need not to set up Relay MSC to the proprietary connection of the interoffice of Anchor MSC for calling business user specially, and make calling business user use the total speech channel of interoffice to connect, improve group calling and set up speed, and saved the interoffice connection resource.
More than a kind of method of initiating cluster communication service provided by the present invention is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1, a kind of method of initiating cluster communication service is characterized in that, described method comprises:
Calling business user is initiated cluster communication service and is called out in Tandem Mobile Switching Center;
Described Tandem Mobile Switching Center is that described calling business user distributes proprietary wireless channel, and, set up notice to the communication service of Controlling MSC signalling of bouquet, and indicate described cluster communication service identification information;
Described Controlling MSC is set up described cluster communication service according to described cluster communication service identification information, and the signaling that is established to Tandem Mobile Switching Center for described cluster communication service connects and interoffice has speech channel and is connected;
Described calling business user uses the total speech channel of described interoffice to connect speech.
According to the method for the described initiation cluster communication service of claim 1, it is characterized in that 2, described Tandem Mobile Switching Center is indicated described cluster communication service identification information to described Controlling MSC, specifically:
In described cluster communication service foundation notice, comprise telecommunication service, call reference information, the described cluster communication service identification information of the common formation of wherein said telecommunication service and described call reference information.
According to the method for the described initiation cluster communication service of claim 2, it is characterized in that 3, described cluster communication service is set up notice and is MAP message.
According to the method for the described initiation cluster communication service of claim 3, it is characterized in that 4, described MAP message is for preparing group calling indication MAP_PREPARE_GROUP_CALL_IND.
According to the method for the described initiation cluster communication service of claim 3, it is characterized in that 5, described Controlling MSC further comprises after receiving described cluster communication service foundation notice:
Described Controlling MSC returns response message to described Tandem Mobile Switching Center.
6, according to the method for the described initiation cluster communication service of claim 5, it is characterized in that,, then in described response message, carry described cluster communication service and set up failure cause if described cluster communication service is set up failure.
7, according to the method for the arbitrary described initiation cluster communication service of claim 1 to 6, it is characterized in that described cluster communication service is a voice group call service.
8, according to the method for the arbitrary described initiation cluster communication service of claim 1 to 6, it is characterized in that described cluster communication service is a Voice Broadcast Service.
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| CNB2006101272013A CN100426894C (en) | 2006-09-07 | 2006-09-07 | Method for initiating colony communication business |
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| CNB2006101272013A CN100426894C (en) | 2006-09-07 | 2006-09-07 | Method for initiating colony communication business |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101960908B (en) * | 2008-07-24 | 2014-04-23 | 松下电器产业株式会社 | Relay device and relay method |
| CN102300169A (en) * | 2010-06-23 | 2011-12-28 | 中兴通讯股份有限公司 | Trunking service processing method and system |
| CN103067877B (en) * | 2011-10-21 | 2016-08-10 | 华为技术有限公司 | Cluster communication service realization method and system, relay MSC, controlling MSC |
| CN103260134B (en) * | 2012-02-16 | 2016-02-03 | 鼎桥通信技术有限公司 | Group call implementation method in trunked communication system and system |
| CN104283602B (en) * | 2013-07-09 | 2018-12-25 | 中兴通讯股份有限公司 | Cluster trunking method, apparatus and system |
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| WO2000038439A2 (en) * | 1998-12-21 | 2000-06-29 | Ericsson Inc. | Systems and methods to assist a handover operation of a mobile station, including methods of performing an inter-bsc cell change during group calls |
| CN1496042A (en) * | 2002-08-15 | 2004-05-12 | ���˹���Ѷ��� | CDMA wireless communication cluster system and method for implementing group calling service |
| CN1595998A (en) * | 2003-09-10 | 2005-03-16 | 华为技术有限公司 | Method for using land circuit in cellular communication system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2000038439A2 (en) * | 1998-12-21 | 2000-06-29 | Ericsson Inc. | Systems and methods to assist a handover operation of a mobile station, including methods of performing an inter-bsc cell change during group calls |
| CN1496042A (en) * | 2002-08-15 | 2004-05-12 | ���˹���Ѷ��� | CDMA wireless communication cluster system and method for implementing group calling service |
| CN1595998A (en) * | 2003-09-10 | 2005-03-16 | 华为技术有限公司 | Method for using land circuit in cellular communication system |
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Address after: 213164 building C, building 407-2-6, Tian An Digital City, 588 Chang Wu Road, Wujin hi tech Industrial Development Zone, Changzhou, Jiangsu, China Patentee after: Changzhou Xiaoguo Information Service Co., Ltd. Address before: 225300 Jiangsu City, Gaogang District, city road, No. 58, No. Patentee before: Changzhou Xiaoguo Information Service Co., Ltd. |
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