CN100359969C - Method for realizing regional dispatch in grouped system - Google Patents
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Abstract
The present invention discloses a method for realizing regional dispatch in a cluster system, which comprises steps as follows: a region is selected on a positioning map of the dispatching desk; all cluster users in the region are calculated to form a called party member list of a current cluster call; the dispatching desk sends a call initiating request of the cluster call to a dispatch control center through a dispatch proxy server; a call initiating authentication request which is sent by the dispatch control center to a register is dispatched, and a response is sent to the dispatch control center after authentication; the dispatch proxy server and the dispatching desk mutually establishes a connection and send a connection success response to the dispatch control center; a base station system and a terminal mutually accomplish users' wireless resource allocation and sends a paging success response to the dispatch control center; the dispatch control center sends a call establishment success instruction to the dispatching desk. The method can enable a dispatcher to effectively allocate a dispatching command, and thus, the dispatching ability of the cluster system is enhanced.
Description
Technical field
The present invention relates to the trunking communication field, specifically, relate to the method that the cluster user in the appointed area is made a call.
Background technology
Trunked communication system is an important branch of mobile communication system, it is a kind of mobile communication system that is used for group's dispatch control communication, be mainly used in professional moving communicating field, for example large enterprise, railway, hotel, safety, taxi dispatching, harbour etc.Different with common mobile communication, the characteristics of trunking communication maximum are, Speech Communication adopts PTT (Push To Talk) button, continue in a mode that pushes to talk, and called need not can answering by off-hook, and the speed that continues is very fast, and can support function such as group call.Trunked communication system has very strong scheduling color, and the dispatcher of industry and group can realize functions such as the state observation to group, dynamic reorganization, management and group, audio monitoring, voice recording, broadcasting by scheduling operation.
Location technology also is gradually improved through years of development, and technical system is comparative maturity also.Up to now, used location technology is divided into three kinds in the positioning service: based on network non-GPS (Global PositionSystem) location technology, as locating E-OTD (Enhanced Observed Time Difference) etc. based on the location of Cellid, enhancing property forward link three limits location AFLT (Advanced Forward Link Trilateration), enhancing observed time difference; Traditional location technology based on GPS, the adding of GPS have been accelerated the processing of location and have been improved positioning accuracy; Network Based and based on the mixed type location technology of GPS, the deficiency of utilizing information that network obtains such as signal of base station to replenish satellite increases response time and precision that new network entity such as mobile positioning center/position determining entity etc. further guarantee the location simultaneously.
Trunked communication system provides abundant scheduling feature for the dispatcher, as group calling, secret exhale, broadcasting, temporary group calling, dynamically reorganization or the like, but but being difficult to the dispatcher provides visual scheduling foundation., when carrying out dispatching services, often wish only the cluster user in the appointed area on the map to be made a call such as the dispatcher.In the prior art, also well do not solve this problem in the group system.
Summary of the invention
The object of the invention is to provide a kind of location technology of utilizing in trunked communication system, solved the problem that the dispatcher provides visual scheduling foundation that is difficult to.
The invention provides a kind of method that in group system, realizes subdispatch, comprise the steps: step 1: on the map of the location of dispatching desk, select a zone, and calculate all that drop in this zone
Cluster user is as called member's tabulation of current calling;
Step 2: dispatching desk rises to call for and asks to what the scheduling proxy server signalling of bouquet was called out, comprises called member's tabulation in the request;
Step 3: scheduling proxy server has been transmitted to call for to dispatching control center and has been asked;
Step 4: dispatching control center has sent to dispatching home location register and has exhaled authentication request;
Step 5: dispatching home location register is carried out authentication, mandate to rising to call for to ask, and sends authentication/authorization response to dispatching control center;
Step 6: dispatching control center sends connection request to dispatching desk, sends paging request to all members to base station system to scheduling proxy server;
Step 7: scheduling proxy server and dispatching desk connect alternately, and reply to dispatching control center transmission successful connection;
Step 8: base station system and terminal interaction, finish the user radio resource allocation, send the paging successful respond to dispatching control center then;
Step 9: dispatching control center sends call setup to dispatching desk and successfully indicates.
In the above-mentioned steps 2, rise to call for to ask and also comprise user ID: user MDN (Mobile DictionaryNumber) or VPN (Virtual Private Network) number or IMSI (InternationalMobile Subscriber Identification) or ESN (Electronic Serial Number).
In the above-mentioned steps 3, scheduling proxy server is called for to rising of transmitting of dispatching control center and is comprised dispatcher's information and called user information in asking.
In the above-mentioned steps 4, dispatching control center has sent to exhale to dispatching home location register and has comprised dispatcher's information and called user information in the authentication request.
Above-mentioned steps 5 comprises that specifically dispatching home location register carries out authentication to dispatcher's authority, called subscriber's authority, after authentication is passed through, member for trunked call and calling authorizes, comprise the authorization message of calling and member's authorization message, then these authorization messages are sent to dispatching control center in authentication/authorization response.
Above-mentioned steps 7 specifically comprises the steps:
701, scheduling proxy server is received the connection request of dispatching control center, is the call distribution system resource, transmits connection request to dispatching desk then;
702, after dispatching desk is received the connection request of scheduling proxy server, be the call distribution system resource, send to connect to scheduling proxy server then and reply;
703, after scheduling proxy server receives that the connection of dispatching desk is replied, transmit connection to dispatching control center and reply;
704, dispatching control center is received that the connection of scheduling proxy server is replied and is the dispatching desk distributing system resource, the success of call resources between dispatching control center and the dispatching desk and voice transfer link establishment so far.
Above-mentioned steps 8 specifically comprises the steps:
801, after base station system is received the paging request of dispatching control center, and terminal interaction, finish the user radio resource allocation, send the paging successful respond to dispatching control center then;
802, after dispatching control center is received base station sub-system the member is paged reply,, the member calls out relevant system resource for distributing, so far, and call resources between dispatching control center and the terminal and voice transfer link establishment success.
Above-mentioned steps 9 specifically comprises the steps:
901, dispatching control center is received and a plurality of group member paging successful respond that the connection of scheduling proxy server is replied and base station sub-system is sent, judge that according to certain strategy group sets up successfully, send group to scheduling proxy server then and set up successfully indication;
902, scheduling proxy server receives that the call setup that dispatching control center sends successfully indicates, and sets up indication to the dispatching desk forwarded call.
Also comprise step 10: dispatching desk sends call setup to dispatching control center and confirms that successfully this step specifically comprises the steps:
1001, after dispatching desk receives that call setup is successfully indicated, send call setup to scheduling proxy server and confirm;
1002, scheduling proxy server is set up to the dispatching control center forwarded call and is confirmed.
Also comprise step 11: dispatching control center receives that the call setup of scheduling proxy server successfully confirms, confirms access success.
The present invention is by initiating the method for trunked call in the appointed area on map, thereby provide the method for subdispatch for the dispatcher, can only make a call to the cluster user in the appointed area on the map, make the dispatcher effectively issue dispatching command, thereby improved the dispatching of group system.
Description of drawings
Fig. 1 is the group system structural representation that arrives involved in the present invention;
Fig. 2 is the flow chart of an embodiment of the inventive method.
Embodiment
As shown in Figure 1, the communication system network structure that the present invention relates to mainly is made of following several systems: trunked call control system, Trunked Radio System, positioning service system, base station system, GIS-Geographic Information System.Can be interconnected between each system by Signaling System Number 7 net or Packet Data Network.
Wherein:
(1) trunked call control system is by dispatching control center DCC (Dispatching Control Center) and dispatching home location register DHR (Dispatching Home Register).DCC is the control centre of trunked call, is responsible for the functions such as call manager, call management, accounting management of trunked call (group calling, secret are exhaled, organized temporarily, broadcasting etc.).DHR is the cluster user database, record clustering user position information, customer service attribute information.
(2) Trunked Radio System is by scheduling proxy server (DAS, Dispatch Agent Server), dispatching desk.DAS is the acting server of dispatching desk, functions such as the access control of responsible dispatching desk, call control agent, positioning service service broker.Dispatching desk possesses scheduling feature, for the user provides visual scheduling man-machine interface, possesses the function of positioning service client simultaneously again, presents functions such as cartographic information for the user.
(3) positioning service system, according to the difference of various location technologies, the composition of navigation system also has nothing in common with each other.Major function is to accept the location service request of dispatching patcher, obtains the positional information (longitude, latitude coordinate etc.) that is requested cluster user by location technology, and positional information replied by location-based service sends to dispatching patcher.It is to be noted, the present invention is for the not specific requirement of location technology of positioning service system itself, can be any location technology, such as based on the location technology of Cell-ID, based on the location technology of AFLT, based on the location technology of GPS, based on technology of gpsOne or the like.
(4) base station system is made up of base station transceiver BTS (Base Transceiver System) and base station controller BSC (Base Station Controller).Base station transceiver is finished functions such as the modulation and demodulation, radiofrequency signal transmitting-receiving of baseband signal, and base station controller is then finished all kinds of switchings of wireless resource allocation, call treatment, power control and support terminal.Base station sub-system BSS links to each other with scheduler subsystem, switching subsystem by standard interface, satisfies the miscellaneous service demand of colony terminal, comprises group service, telephone service and data service.
(5) GIS-Geographic Information System provides GIS service.Receive the GIS service request of service requester,, obtain data such as geographical text description, near terrestrial object information and picture, and the GIS service response is sent to service requester according to positional information (longitude, latitude etc.) inquiry map data base.
It may be noted that in the present invention dispatching desk also possesses the function of locations services client LCS Client (Location Service Client) when possessing scheduling feature.Prerequisite of the present invention is, finished the location to cluster user on the map of dispatching desk, and cluster user shows on map as scheduler object, and has stored the positional information of each cluster user.
Selectable, can also comprise mobile switch system in the present networks mechanism, generally there are mobile switching center MSC/VLR (Mobile Switch Center/Visited Location Register) and attaching position register HLR (Home Location Register) to constitute, for the user provides mobile exchange capacity and the function that interconnects.Mobile switching centre and dispatching control center are independent on function, physically partable.Because mobile switch system is not indispensable system in this communication system, so clearly do not mark in present network architecture.
At dispatching desk, cluster user on the map of location by clear and definite performance and sign, the dispatcher can be according to current scheduling scene and each member the definite position on map, select one or more user to initiate trunked call.The method of selecting can be that a rectangular area, border circular areas, one are fan-shaped, a polygonal region or the like, show the implementation algorithm ability and decide, drop on the interior cluster user in this zone like this as called member, the cluster user that drops on outside the zone then can not called out.
Fig. 2 initiates the flow chart of the example of trunked call in designated geographic area for the present invention.
(201) on the map of the location of dispatching desk, select a zone (can be a rectangular area, border circular areas, are fan-shaped, a polygonal region or the like);
(202) dispatching desk software scaling according to the map, area coordinate is converted to latitude and longitude coordinates, again according to the latitude and longitude information of each cluster user of dispatching desk storage, according to existing graphics algorithm, determine which member and drop within the selected zone, thereby draw a called group member tabulation;
(203) dispatching desk rises to call for and asks to what the scheduling proxy server signalling of bouquet was called out, comprises called cluster user tabulation in the request, and user ID, user MDN or VPN number or IMSI or ESN;
(204) scheduling proxy server is received that rising of dispatching desk transmitted to call for to dispatching control center DCC (DispatchControl Center) after calling for and is asked, and comprises dispatcher's information and called user information in the request;
(205) dispatching control center receive rising of scheduling proxy server call for ask after, sent and exhaled authentication request to dispatching home location register DHR (Dispatch Home Register), comprise dispatcher's information and called user information in the request;
(206) after dispatching home location register has been received and has been exhaled authentication request, dispatcher's authority, called subscriber's authority are carried out authentication, authentication is authorized by the member of back for trunked call and calling, comprise the life span of calling, the priority of calling, speak authority, the duration of call, wireless attributes or the like of member, then these authorization messages are sent to dispatching control center in authentication response;
(207) after dispatching control center receives that the authentication success of dispatching home location register is replied, send connection request, to the paging request of base station system transmission to the all-calls member to scheduling proxy server;
(2081) scheduling proxy server is received the connection request of dispatching control center, is the call distribution system resource, transmits connection request to dispatching desk then;
(2082) after dispatching desk is received the connection request of scheduling proxy server, be the call distribution system resource, send to connect to scheduling proxy server then and reply;
(2083) after scheduling proxy server receives that the connection of dispatching desk is replied, transmit connection to dispatching control center and reply;
(2084) dispatching control center is received that the connection of scheduling proxy server is replied and is the dispatching desk distributing system resource, the success of call resources between dispatching control center and the dispatching desk and voice transfer link establishment so far;
(2091) after base station system is received the paging request of dispatching control center, and terminal interaction, finish the user radio resource allocation, send the paging successful respond to dispatching control center then;
(2092) after dispatching control center is received base station sub-system the member is paged reply, for distributing, the member calls out relevant system resource, the success of call resources between dispatching control center and the terminal and voice transfer link establishment so far;
(210) dispatching control center is received and a plurality of group member paging successful respond that the connection of scheduling proxy server is replied and base station sub-system is sent, judge that according to certain strategy group sets up successfully, send group to scheduling proxy server then and set up successfully indication;
(211) scheduling proxy server receives that the call setup that dispatching control center sends successfully indicates, and sets up indication to the dispatching desk forwarded call;
(212) after dispatching desk receives that call setup is successfully indicated, send call setup to scheduling proxy server and confirm;
(213) scheduling proxy server is set up to the dispatching control center forwarded call and is confirmed;
(214) dispatching control center receives that the call setup of scheduling proxy server successfully confirms, confirms access success.
So far, trunked call has been set up successfully, and the dispatcher can issue dispatching command to all members of this calling.
Claims (10)
1, a kind of method that realizes subdispatch in group system is characterized in that comprising the steps:
Step 1: on the map of the location of dispatching desk, select a zone, and calculate all cluster users that drop in this zone, as called member's tabulation of current calling;
Step 2: dispatching desk rises to call for and asks to what the scheduling proxy server signalling of bouquet was called out, comprises called member's tabulation in the request;
Step 3: scheduling proxy server has been transmitted to call for to dispatching control center and has been asked;
Step 4: dispatching control center has sent to dispatching home location register and has exhaled authentication request;
Step 5: dispatching home location register is carried out authentication, mandate to rising to call for to ask, and sends mirror/authorization response to dispatching control center;
Step 6: dispatching control center sends connection request to dispatching desk, sends paging request to all members to base station system to scheduling proxy server;
Step 7: scheduling proxy server and dispatching desk connect alternately, and reply to dispatching control center transmission successful connection;
Step 8: base station system and terminal interaction, finish the user radio resource allocation, send the paging successful respond to dispatching control center then;
Step 9: dispatching control center sends call setup to dispatching desk and successfully indicates.
2, the method for claim 1 is characterized in that, in the described step 2, rises to call for to ask and also comprises user ID: user MDN or VPN number or IMSI or ESN.
3, the method for claim 1 is characterized in that, in the described step 3, scheduling proxy server is called for to rising of transmitting of dispatching control center and comprised dispatcher's information and called user information in asking.
4, the method for claim 1 is characterized in that, in the described step 4, dispatching control center has sent to exhale to dispatching home location register and comprised dispatcher's information and called user information in the authentication request.
5, the method for claim 1, it is characterized in that, described step 5 comprises that specifically dispatching home location register carries out authentication to dispatcher's authority, called subscriber's authority, after authentication is passed through, member for trunked call and calling authorizes, comprise the authorization message of calling and member's authorization message, then these authorization messages are sent to dispatching control center in mirror/authorization response.
6, the method for claim 1 is characterized in that, described step 7 specifically comprises the steps:
701, scheduling proxy server is received the connection request of dispatching control center, is the call distribution system resource, transmits connection request to dispatching desk then;
702, after dispatching desk is received the connection request of scheduling proxy server, be the call distribution system resource, send to connect to scheduling proxy server then and reply;
703, after scheduling proxy server receives that the connection of dispatching desk is replied, transmit connection to dispatching control center and reply;
704, dispatching control center is received that the connection of scheduling proxy server is replied and is the dispatching desk distributing system resource, the success of call resources between dispatching control center and the dispatching desk and voice transfer link establishment so far.
7, the method for claim 1 is characterized in that, described step 8 specifically comprises the steps:
801, after base station system is received the paging request of dispatching control center, and terminal interaction, finish the user radio resource allocation, send the paging successful respond to dispatching control center then;
802, after dispatching control center is received the paging successful respond of base station sub-system, for terminal distribution is called out relevant system resource, so far, call resources between dispatching control center and the terminal and voice transfer link establishment success.
8, the method for claim 1 is characterized in that, described step 9 specifically comprises the steps:
901, dispatching control center is received one or more group member paging successful respond that the connection of scheduling proxy server is replied and base station sub-system is sent, judge that according to group member paging successful respond group sets up successfully, send group to scheduling proxy server then and set up successfully indication;
902, scheduling proxy server receives that the group that dispatching control center sends sets up successfully indication, transmits group to dispatching desk and sets up successfully indication.
9, the method for claim 1 is characterized in that, also comprises step 10: dispatching desk sends call setup to dispatching control center and confirms that successfully this step specifically comprises the steps:
1001, after dispatching desk receives that call setup is successfully indicated, send call setup to scheduling proxy server and successfully confirm;
1002, scheduling proxy server is set up successfully to the dispatching control center forwarded call and is confirmed.
10, method as claimed in claim 9 is characterized in that, also comprises step 11: dispatching control center receives that the call setup of scheduling proxy server successfully confirms, confirms access success.
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| CN100455072C (en) * | 2006-06-20 | 2009-01-21 | 华为技术有限公司 | Method and system for implementing trunked call service |
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| CN101137120B (en) * | 2007-01-29 | 2010-05-19 | 中兴通讯股份有限公司 | Resource allocation method and apparatus |
| CN101127966B (en) * | 2007-09-20 | 2011-06-22 | 中兴通讯股份有限公司 | A method for cluster system to call terminal and its scheduling subsystem |
| CN101159929B (en) * | 2007-10-23 | 2010-09-08 | 中兴通讯股份有限公司 | Method of implementing cluster session in digital cluster communication system |
| CN101453798B (en) * | 2007-11-29 | 2010-09-08 | 中兴通讯股份有限公司 | Mobile communication terminal with intercom module and communication processing method thereof |
| CN101179777B (en) * | 2007-12-10 | 2010-06-16 | 中兴通讯股份有限公司 | Called party paging method |
| JP5115186B2 (en) * | 2007-12-27 | 2013-01-09 | 富士通株式会社 | Control method in wireless communication system |
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| CN101594576B (en) * | 2009-06-23 | 2012-05-09 | 中兴通讯股份有限公司 | Method for realizing trans-provincial group calling in digital cluster communication system |
| CN102457814B (en) * | 2010-10-22 | 2015-01-28 | 中兴通讯股份有限公司 | Cluster dispatching method and system |
| CN102014282B (en) * | 2010-10-25 | 2013-07-03 | 深圳市融创天下科技股份有限公司 | Distributed video transcoding scheduling method and system |
| CN103108284A (en) * | 2011-11-09 | 2013-05-15 | 中兴通讯股份有限公司 | Digital cluster scheduling system and group calling method and dispatcher station thereof |
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