CN1956586A - Method and device for limitting call in trunking system - Google Patents
Method and device for limitting call in trunking system Download PDFInfo
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Abstract
This invention discloses a method for limiting call in a cluster system and a device, in which, said method includes: setting up a database including the relationship between storage dispatch location regions and local areas, dispatch location region and a base station controller, the dispatch location region lists contained in the service region corresponding to the limited groups and/or limited users, limiting calls of calling and called according to the relationship and dispatched service regions of limited groups or limited users to control the cluster call in the dispatched service region.
Description
Technical field
The present invention relates to digital clustering communication system, particularly a kind of dispatcher-controlled territory restriction set groupcall of pressing is limited in trunked call in certain dispatcher-controlled territory, and the terminal that exceeds dispatcher-controlled territory can not obtain the method for group call service.
Background technology
Trunked communication system is an important branch of mobile communication system, is widely used in fields such as medical lifesaving, communications and transportation, social interlock, municipal administration, water conservancy and hydropower, industrial enterprise, public safety.The group customer of choice set group communication (as hotel, harbour etc.) is for considerations such as safe and secret, optimizing scheduling, cost savings, usually wish that the relevant trunked call of this group can be limited in carrying out in the job site, and the colony terminal that exceeds the job site will can not get cluster service, some provide the telecom operators of cluster service, wish to utilize the difference of rate to attract more client, and the common rate of the calling that is subjected to region limits are cheaper, just in time catered to the demand of these operators.
Yet existing call region limits technology mainly has the following disadvantages:
On limited dispatcher-controlled territory setting and storage means, the call scheduling zone is made up of one or several sub-districts in the prior art, in the database of network side, directly write down the corresponding relation between the sub-district of limited users and dispatcher-controlled territory, there are two defectives in design like this: first, in the network side data storehouse in logic dispatch service zone and the sub-district physically of base station side division directly set up corresponding relation, many and distribute when concentrating as user in the geographic area, usually the also corresponding meeting in sub-district of wherein dividing is a lot, at this moment, if the call blocking zone comprises this geographic area, just need write down a large amount of cell ids, do the burden that increased database and the transmission capacity of signaling like this at network side; Second, dilatation along with network, may in a geographic area, set up the base station, the base station increases the corresponding increase in sub-district that has caused this area to divide, therefore, all of storing in the network side data storehouse comprise the call blocking zone of this geographic area, and its corresponding district set also all will increase new sub-district, and the workload of revising database is huge;
Prior art only proposed in the GSM network, single terminal does not relate to the region limits technology of group call the region limits technical scheme of single terminal call in the PHS network, and group call the most distinctive method of calling in the trunking communication exactly;
Do not relate to terminal in the trunked call in the prior art and leave the processing of limited dispatcher-controlled territory;
Do not relate in the trunked call terminal in the prior art and lag and enter the processing of limited dispatcher-controlled territory, do not relate to the processing that terminal is started shooting in limited dispatcher-controlled territory.
Simultaneously in the prior art, system is the sub-district at the current place of called subscriber, location earlier, judge the called subscriber whether in allowing the zone of calling out according to the cell id behind the location and the contrast in call blocking zone then, and the characteristics of cluster multi call are to get ready to go into action in hundreds, the requirement call set-up time is short, the calling and called access speed is fast, and the mode of location, paging more obviously is worthless earlier.
Summary of the invention
The objective of the invention is to solve existing a series of problems in the prior art, the implementation method and the device that in a kind of group system calling are limited are provided, guaranteeing that trunked call is controlled in the dispatcher-controlled territory carries out, and exceed the cluster user of dispatcher-controlled territory, trunked communication system will no longer provide service for it, avoid directly writing down the physical region sub-district of base station side simultaneously, reduce the coupling in the dispatcher-controlled territory configuration of base station side and network side at network side.
To achieve these goals, the invention provides the implementation method that in a kind of group system calling is limited, wherein, comprising:
The database establishment step, set up first, second and the 3rd database respectively, the dispatch location area that comprises in the dispatch service zone of the corresponding relation of the corresponding relation of the memory scheduling band of position and sub-district, dispatch location area and base station controller and limited group and/or limited users correspondence respectively tabulation;
The call blocking controlled step, the dispatch location area tabulation that comprises in the dispatch service zone according to corresponding relation, limited group and/or the limited users correspondence of corresponding relation, dispatch location area and the base station controller of described dispatch location area and sub-district, and the dispatch service zone of limited group and/or limited users calling and/or called is carried out call blocking, trunked call is controlled in the dispatch service zone carries out.
The implementation method that in the above-mentioned group system calling is limited, wherein, described calling is that described call blocking controlled step was carried out following operation when lasting paging was called in the dispatcher-controlled territory:
Dispatching control center obtains the dispatch service zone of called object, and the dispatch location area tabulation that comprises in the dispatch service zone according to the corresponding relation of corresponding relation, dispatch location area and the base station controller of dispatch location area and sub-district in described first, second and the 3rd database and limited group and/or limited users correspondence determines that needs send the sub-district of paging, sends the paging request by base station controller to described definite sub-district that needs to send paging.
The implementation method that in the above-mentioned group system calling is limited, wherein, continue in the described dispatcher-controlled territory in the called step of paging, for the terminal that does not have the access set groupcall, dispatching control center can by base station sub-system regularly, continue send paging to it.
The implementation method that in the above-mentioned group system calling is limited, wherein, described calling is that limited users rises when exhaling individual calling, the following operation of the concrete execution of described call blocking controlled step:
Limited users rises exhales the ground dispatch location area not in the tabulation in calling subscriber's dispatch service zone, dispatching control center is refused this individual calling request, otherwise dispatching control center obtains the dispatch service zone of called object, and according to described first, the corresponding relation of dispatch location area and sub-district in the second and the 3rd database, the dispatch location area tabulation that comprises in the dispatch service zone of the corresponding relation of dispatch location area and base station controller and limited group and/or limited users correspondence determines that needs send the sub-district of paging, sends the paging request by base station controller to described definite sub-district that needs to send paging.
The implementation method that in the above-mentioned group system calling is limited, wherein, described calling is a limited users when initiating limited cluster multi call, described call blocking controlled step is concrete carries out following operation:
Described limited users rises exhales the ground dispatch location area not in the tabulation of group scheduling coverage, dispatching control center is refused this group calling request, otherwise dispatching control center obtains the dispatch service zone of called object, and according to described first, the corresponding relation of dispatch location area and sub-district in the second and the 3rd database, the dispatch location area tabulation that comprises in the dispatch service zone of the corresponding relation of dispatch location area and base station controller and limited group and/or limited users correspondence determines that needs send the sub-district of paging, sends the paging request by base station controller to described definite sub-district that needs to send paging.
The implementation method that in the above-mentioned group system calling is limited, wherein, described calling is when limited users is left user's dispatch service zone in the individual calling in the communication process, the following operation of the concrete execution of described call blocking controlled step:
Dispatch location area is differentiated, the user who is in business state stride the sub-district switch finish after, the base station is according to described first database, whether the dispatch location area of judging the dispatch location area of destination cell id correspondence and cell-of-origin correspondence is consistent, as inconsistent, base station controller structure handoff completion message is notified to dispatching control center, carries the dispatch location area of sub-district, destination correspondence in the handoff completion message;
User's dispatch service zone, dispatching control center judges according to dispatch location area tabulation in destination dispatch location area and the user's dispatch service zone whether the user exceeds the dispatch service zone, if the user exceeds the dispatch service zone, owing to be individual calling, dispatching control center discharges this individual calling.
The implementation method that in the above-mentioned group system calling is limited, wherein, described calling is when limited users is left user's dispatch service zone in the individual calling in the communication process, the following operation of the concrete execution of described call blocking controlled step:
Dispatch location area is differentiated, the user who is in business state stride the sub-district switch finish after, the base station is according to described first database, whether the dispatch location area of judging the dispatch location area of destination cell id correspondence and cell-of-origin correspondence is consistent, as inconsistent, base station controller structure handoff completion message is notified to dispatching control center, carries the dispatch location area of sub-district, destination correspondence in the handoff completion message;
User's dispatch service area judging, dispatching control center judges according to dispatch location area tabulation in destination dispatch location area and the user's dispatch service zone whether the user exceeds the dispatch service zone, if enter next step;
Group calling finish to judge, dispatching control center according to group calling exist principle judge this user withdraw from after needs terminating group whether, do not need to finish if judged result is group calling, enter next step;
Single user discharges, and starts to discharge flow process, discharges this user separately, and after release finished, dispatching control center regularly sent paging to this user in the group scheduling zone.
The implementation method that in the above-mentioned group system calling is limited, wherein, after the user who exceeds the group scheduling coverage is discharged by system, dispatching control center is initiated the periodicity paging to this user once more in the group scheduling coverage, after limited member moves forward into the group scheduling coverage, the response cycle paging enters calling.
The implementation method that in the above-mentioned group system calling is limited, wherein, described calling is to lag when adding cluster multi call after the limited users start, the following operation of the concrete execution of described call blocking controlled step:
In the limited group call process, be in the user of shutdown attitude in the dispatching control center record group;
Limited member start, the base station sub-system position register request of will starting shooting is sent to dispatching control center;
The dispatching control center position register request of will starting shooting is sent to dispatching home location register, and dispatching home location register is noted the latest position information of start terminal;
The registration of dispatching home location register home position is replied to dispatching control center, dispatching control center is when base station sub-system response location registers is replied, the limited group calling that inquires the user place is just in communication process, all base station controllers in the group scheduling coverage send the periodicity paging request at the start user, carry the dispatch location area tabulation that belongs to this base station controller in the dispatch service zone in the paging request;
Base station controller determines that according to described dispatch location area list query first database needs send the sub-district of paging;
Base station controller is to determining that the sub-district that sends paging sends the paging request
Because the user is in the group scheduling coverage in start, to respond connection by base station sub-system to dispatching control center and finish, the response paging enters calling.
In order better to realize above-mentioned purpose, the present invention also provides the implement device that in a kind of group system calling is limited, comprise terminal, base station sub-system and scheduler subsystem, described scheduler subsystem comprises dispatching control center, dispatching home location register, wherein:
Described base station sub-system, dispatching control center and dispatching home location register store first, second and the 3rd database respectively, are used for the dispatch location area tabulation that the dispatch service zone of the corresponding relation of corresponding relation, dispatch location area and the base station controller of the memory scheduling band of position and sub-district respectively and limited group and/or limited users correspondence comprises;
Base station sub-system and scheduler subsystem, be used for together dispatch location area tabulation that the dispatch service zone according to corresponding relation, limited group and/or the limited users correspondence of corresponding relation, dispatch location area and the base station controller of described dispatch location area and sub-district comprises, and the dispatch service zone of limited group and/or limited users calling and/or called is carried out call blocking, trunked call is controlled in the dispatch service zone carries out.
Use the implementation method and the device that in the group system of the present invention calling are limited, dispatcher-controlled territory is by two-layer division, ground floor is divided into deployment position district dispatch location area in base station sub-system with microzonation, the second layer is divided into dispatch service zone, dispatch service district in scheduler subsystem with dispatch location area, avoided directly writing down the physical region sub-district of base station side at network side, make that the division of dispatcher-controlled territory is simple and clear, and, between sub-district and dispatch service district, introduce dispatch location area, can reduce the coupling in the dispatcher-controlled territory configuration of base station side and network side, the increase and decrease of base station cell no longer needs network side to revise synchronously; While is according to the corresponding relation of dispatch location area of depositing in the base station sub-system database and sub-district, directly in the dispatch service zone, send paging, can avoid first location, back paging to the influence of called access speed, accelerate the speed of called adding trunked call; After the user left the dispatch service zone simultaneously, system can be with it from just discharging in the trunked call communication process, to guarantee only to provide group call service in the dispatch service zone; In the dispatch service zone, continue paging simultaneously, entered the dispatch service zone, can add trunked call at once in case guaranteed called lagging to not adding call out called.
Description of drawings
Fig. 1 is the network structure of digital clustering communication system;
Fig. 2 (a) is that dispatcher-controlled territory is divided and the storage schematic diagram;
Fig. 2 (b) is a dispatcher-controlled territory partiting step schematic diagram;
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 3 (d) are respectively that the trunked call dispatcher-controlled territory limits basic scene schematic diagram;
Fig. 4 is the signaling process figure that limited users is initiated the cluster individual calling;
Fig. 5 is the signaling process figure that limited member initiates cluster multi call;
Fig. 6 is the signaling process figure that limited users is left the dispatch service zone in the cluster individual calling;
Fig. 7 is the signaling process figure that limited member leaves the dispatch service zone in the limited cluster multi call;
Fig. 8 is the signaling process figure that limited member starts shooting in the dispatch service zone in the limited cluster multi call;
Embodiment
As shown in Figure 1, the digital clustering communication system among the present invention is made up of following basic subsystem:
Terminal 1 possesses the terminal equipment of group service function, also possesses multiple business abilities such as interconnect call business, Packet data service, short message service simultaneously;
In conjunction with shown in Figure 1, realize that by the present invention trunked call is controlled in the dispatcher-controlled territory, and the service method that the cluster user that exceeds dispatcher-controlled territory can not get trunked communication system and provides must set and storage at first to dispatcher-controlled territory, comprise the steps:
Step 101, actual needs according to the network planning, base station sub-system is divided into some dispatch location area (DLA with its overlay area, Dispatch Location Area), a dispatch location area comprises one or more sub-districts, and set up first database, the corresponding relation between the memory scheduling band of position and the sub-district in base station sub-system;
Step 102, dispatching control center is set up second database, corresponding relation between the memory scheduling band of position and the base station controller 22, by this second database, dispatching control center can find the base station controller that this dispatch location area belongs to by a certain dispatch location area;
Step 103, dispatching home location register in the scheduler subsystem is set up the 3rd database, store dispatch service zone (the Dispatch Service Area of limited group and/or limited users correspondence, DSA) the dispatch location area tabulation that comprises in, wherein the dispatch service zone comprises one or more dispatch location area.
After the step that dispatcher-controlled territory is set and stored, describe the dispatcher-controlled territory restriction call method how method of the present invention realizes group system below in detail, it comprises following multiple situation:
System continues Radio Paging in dispatcher-controlled territory called;
Limited users rises exhales individual calling;
Limited users rises exhales group calling;
System discharged individual calling after limited individual calling user left user's dispatch service zone in the communication process;
System discharged it after limited member in the communication process in the limited group calling left the group scheduling coverage from call out;
Limited users adds cluster multi call after entering dispatcher-controlled territory;
The adding cluster multi call lags after the limited users start.
In conjunction with Fig. 1, group system continues Radio Paging in the dispatch service zone called, comprises following key step:
Step 201, after the trunked call authentication was passed through, dispatching control center obtained the dispatch service zone of called object from the 3rd database of dispatching home location register;
Step 202, dispatching control center are inquired about the dispatch location area in second database and the corresponding relation of base station controller, determine to need to throw in the concrete corresponding base station controller in dispatch service zone of paging;
Step 203, dispatching control center sends paging request message to the base station controller that inquires, carry the dispatch location area tabulation that belongs to this base station controller in the dispatch service zone in this paging request message, the indication base station controller is thrown in paging to which dispatch location area.
Step 204, after base station controller is received the paging request of dispatching control center, decoding obtains the dispatch location area tabulation in the paging request, and base station controller is inquired about the corresponding relation of dispatch location area and minizone in first database, determines to need to send the sub-district of paging;
Step 205, base station controller is to determining that the sub-district that sends paging sends the paging request, be in the called response paging in the dispatch service zone and insert calling, it is extra-regional called because its sub-district, place does not send the paging request to be in dispatch service, therefore can not insert calling;
Step 206, for the terminal that does not have the access set groupcall, dispatching control center can by base station sub-system regularly, continue send paging to it.
In conjunction with Fig. 1, another limited users of limited users cluster individual calling comprises following key step:
Step 301, limited users are initiated the cluster individual calling and are risen to call for and asks, dispatching control center receive this individual calling rise call for ask after, the record caller rises exhales the ground positional information, and sends authentication request to dispatching home location register;
Step 302, dispatching home location register rises to call for to this individual calling asks authentication, after authentication is passed through, return to the attribute data that carries calling and called in the authentication responses of dispatching control center, comprise user's dispatch service zone and called user's dispatch service zone (being caller and called confined area) of caller in these attribute datas;
Step 303, dispatching control center obtains user's dispatch service zone of caller from authentication responses, and and the caller that prestores rise and exhale the ground positional information to compare, if caller rises and exhales the position outside caller dispatch service zone, then change step 304, otherwise change step 305;
Step 304, dispatching control center are refused this individual calling request, Reason For Denial " caller is not in the dispatch service zone ";
Step 305, dispatching control center is initiated paging to caller, and dispatching control center obtains the base station controller of called confined area correspondence according to limited called user's dispatch service site polling second database;
Step 306, dispatching control center sends the paging request to the base station controller that inquires, carry the dispatch location area tabulation that belongs to this base station controller in the dispatch service zone in this paging request, the indication base station controller is thrown in paging to which dispatch location area;
Step 307, after base station controller is received the paging request of dispatching control center, decoding obtains the dispatch location area tabulation in the paging request, and base station controller is inquired about the corresponding relation of dispatch location area and minizone in first database, determines to need to send the sub-district of paging;
Step 308, base station controller is to determining that the sub-district that sends paging sends the paging request, if called being in the dispatch service zone, then respond paging and insert individual calling, if called being in outside the dispatch service zone because its sub-district, place does not send the paging request, therefore can not be inserted individual calling.
In conjunction with Fig. 1, limited users is initiated limited cluster multi call, mainly comprises the steps:
Step 401, limited users are initiated cluster multi call and are risen to call for and asks, dispatching control center receive should call for ask after, note caller rise exhale positional information, and to dispatching home location register transmission authentication request;
Step 402, dispatching home location register is carried out authentication to rising to exhale, after authentication is passed through, in returning to the authentication responses of dispatching control center, carry the attribute data of called group, comprise the dispatch service zone (being the confined area of group calling) of group in the group property data;
Step 403, dispatching control center obtains the group scheduling coverage from authentication responses, for group, all members' (comprising caller) confined area is the confined area of group, therefore the confined area of caller is equal to the confined area with group, at first and the caller that prestores rise and exhale the ground positional information to compare, if caller rises and exhales the position outside the group scheduling coverage, then change step 404, otherwise change step 405;
Step 404, dispatching control center are refused this group calling request, Reason For Denial " caller is not in the dispatch service zone ";
Step 405, dispatching control center is initiated paging to caller, and dispatching control center is inquired about second database according to the group scheduling coverage, obtains the corresponding base station controller in called group restricted zone;
Step 406, dispatching control center sends the paging request to the base station controller that inquires, carry the dispatch location area tabulation that belongs to this base station controller in the dispatch service zone in this paging request, the indication base station controller is thrown in paging to which dispatch location area;
Step 407, after base station controller is received the paging request of dispatching control center, decoding obtains the dispatch location area tabulation in the paging request, and base station controller is inquired about the corresponding relation of dispatch location area and minizone in first database, determines to need to send the sub-district of paging;
Step 408, base station controller is to determining that the sub-district that sends paging sends the paging request, if called being in the group scheduling coverage, then respond paging and access group calling, if called being in outside the group scheduling coverage, because its sub-district, place does not send the paging request, therefore can not access group calling.
In conjunction with Fig. 1, system discharged individual calling after the limited users in the communication process in the individual calling was left user's dispatch service zone, mainly comprised the steps:
Step 501, in the cluster individual calling communication process, the limited users in the calling is moving out user's dispatch service zone, because the composition unit in dispatch service zone is the sub-district, therefore, moves out user's dispatch service zone and means and move out a certain sub-district;
Step 502, the user who is in business state begins to stride the sub-district and switches, after switching is finished, base station controller is inquired about first database, relatively whether the dispatch location area of the dispatch location area of destination cell id correspondence and cell-of-origin correspondence is consistent, if inconsistent, base station controller structure handoff completion message, be notified to dispatching control center, carry the dispatch location area of sub-district, destination correspondence in the handoff completion message;
Step 504, owing to be individual calling, and a member in the individual calling left its dispatch service zone, dispatching control center discharges this individual calling.
In conjunction with Fig. 1, system was with its method that discharges from call out after the limited member in the communication process in the limited group calling left the group scheduling coverage, and its key step is as follows:
Step 602, the user who is in business state begins to stride the sub-district and switches, after switching is finished, first database is inquired about in the base station, relatively whether the dispatch location area of the dispatch location area of destination cell id correspondence and cell-of-origin correspondence is consistent, if inconsistent, base station structure handoff completion message, be notified to dispatching control center, carry the dispatch location area of sub-district, destination correspondence in the handoff completion message;
Step 604, dispatching control center according to certain group calling exist principle judge this user withdraw from after needs terminating group whether, it can be that the group calling promoter withdraws from then group calling end that there is principle in group calling, also can be to activate then group calling end of member's less than two people in the group calling, if being group calling, judged result do not need to finish, change step 605, otherwise change step 606;
Step 605 starts the release flow process, discharges this user separately, release cause " exceeds the dispatch service zone ", after release finished, dispatching control center regularly sent paging to this user in the group scheduling zone, so that this user enters the adding group calling that can lag behind the group scheduling coverage once more;
Step 606, dispatching control center begin to discharge this group calling.
In conjunction with Fig. 1, limited users enters to lag behind the dispatcher-controlled territory and adds the method for cluster multi call, in the limited calling talk process, limited member in the group is outside the group scheduling coverage, therefore do not add this group calling, limited member moves forward into the group scheduling coverage, and its key step is as follows:
Step 701, dispatching control center are carried out the periodicity paging to limited member always in the group scheduling coverage, after limited member moved forward into the dispatch service zone, the response cycle paging entered calling;
In conjunction with Fig. 1, the adding cluster multi call that lags after the limited users start, its key step is as follows:
Step 801, in the limited group call process, because limited users shutdown in the group, dispatching control center does not send paging to it, only notes this user and be in the shutdown attitude in group;
Step 802, the limited member start in the group, the base station sub-system position register request of will starting shooting is sent to dispatching control center;
Step 803, the dispatching control center position register request of will starting shooting is sent to dispatching home location register, and dispatching home location register is noted the latest position information of start terminal;
Step 804, the registration of dispatching home location register home position is replied to dispatching control center, dispatching control center is when base station sub-system response location registers is replied, the limited group calling that inquires the user place just in communication process, is therefore initiated periodically paging to the user in the group scheduling coverage;
Step 805, if the start user then responds paging and access group calling in the group scheduling coverage, otherwise owing to do not receive paging, this user can not access group calling.
The present invention will be described below in conjunction with execution mode more specifically.
Fig. 2 divides for dispatcher-controlled territory and the storage schematic diagram, and Fig. 3 is a dispatcher-controlled territory partiting step schematic diagram.
As shown in Figure 2, suppose that the base station controller coverage is 14 sub-districts, these 14 microzonations are divided into 5 dispatch location area DLA_1, DLA_2, DLA_3, DLA_4 and DLA_5, the working region of one group user is the coverage (i.e. 14 sub-districts) of base station controller, and needs first group of this group user and the trunked call of second group are defined in certain zone.
Shown in Fig. 2 (a) and Fig. 2 (b), dispatcher-controlled territory is divided and is comprised the steps:
Step S201, actual needs according to the network planning, base station sub-system is divided into 5 dispatch location area DLA_1, DLA_2, DLA_3, DLA_4 and DLA_5 with the base station controller overlay area, a dispatch location area comprises one or more sub-districts, base station sub-system is set up first database, the corresponding relation between the memory scheduling band of position and the sub-district;
Step S202, dispatching control center set up second database, store the corresponding relation between 5 dispatch location area and the base station controller;
Step S203, operator is after the division of the dispatch location area that obtains the base station, working region according to this group user is the base station controller coverage, 5 dispatch location area that base station controller is had under its command are stored in the 3rd database of dispatching home location register as the dispatch service zone of this group user;
Step S204, the user is behind the dispatch service zone that obtains operator's appointment, concrete working region needs according to each group in the group user and each user, by turnkey console is first group and the second group designated group dispatch service zone, be user specifies dispatch service zone, be stored in the 3rd database of dispatching home location register, the dispatch service district of group and user's dispatcher-controlled territory can only be subclass in group dispatch service zone; In this example, the keeper who is responsible for this group is that the group scheduling coverage that first group divides is DLA_1, DLA_2, DLA_4, is that the group scheduling coverage that second group divides is DLA_3, DLA_4, DLA_5;
At this, user's dispatch service region limits user's cluster individual calling, the dispatch service region limits cluster multi call of group can be revised user, group, group member and be limited for not dispatching the coverage in the 3rd database of dispatching home location register; Be made as not limited users, no user dispatch service zone, the cluster individual calling is not dispatched the coverage and is limited; Be made as not limited group, no group scheduling coverage, cluster multi call is not dispatched the coverage and is limited; Be made as not limited group member, it is not limited by in limited cluster multi call the group scheduling coverage.
The dispatch service dividing region is division in logic, therefore a dispatch service zone can have overlapping even identical (the dispatch service zone that had both belonged to first group such as DLA_4 with other dispatch service zone, the dispatch service zone that yet belongs to second group), the dispatch service zone does not require it must is that adjacent dispatch location area is formed (the dispatch service zone that can constitute a group such as DLA_1 and DLA_5) geographically yet.
Fig. 3 is the explanation of colony dispatching region limits associated scenario:
Shown in Fig. 3 (a), following several situation is arranged:
Limited group calling rises when exhaling, if caller is outside group calling dispatch service zone, and caller is subjected to group calling dispatch service region limits, then dispatching control center is refused this and is risen and exhale, if called outside group calling dispatch service zone, and the called group calling dispatch service region limits that is subjected to, then called can not be by incoming call group;
Limited group calling rises when exhaling, if caller is outside group calling dispatch service zone, and caller is not subjected to group calling dispatch service region limits, then dispatching control center is accepted this and is risen and exhale, if called outside group calling dispatch service zone, and the called group calling dispatch service region limits that is not subjected to, then called by incoming call group;
Individual calling rises when exhaling, if caller is limited and outside calling subscriber's dispatch service zone, then dispatching control center is refused this and risen and exhale, if called limited and outside called subscriber's dispatch service zone, then called can not be by the incoming call individual calling.
Shown in Fig. 3 (b), following several situation is arranged:
Limited group calling rises when exhaling, if caller is in group calling dispatch service zone, then dispatching control center is accepted this and risen and exhale, if called in group calling dispatch service zone, and the then called paged group of going into;
Individual calling rises when exhaling, if caller is limited and in caller dispatch service zone, then dispatching control center is accepted this and risen and exhale, if called limited and in called dispatch service zone, and the then called paged individual calling of going into.
Shown in Fig. 3 (c), following several situation is arranged:
Limited group calling is under talking state, if the member is subjected to group calling dispatch service region limits, when this member moved out group calling dispatch service zone, dispatching control center discharged this user, and release cause " exceeds the dispatch service district ";
Limited group calling is under talking state, if the member is not subjected to group calling dispatch service region limits, when this member moved out group calling dispatch service zone, dispatching control center continued as it service is provided;
Individual calling is under talking state, if member's (caller or called) is subjected to user's dispatch service region limits, when the member moved out user's dispatch service zone, dispatching control center discharged this individual calling, and release cause " exceeds the dispatch service district ".
Shown in Fig. 3 (d), following situation is arranged:
Limited group calling if the member is manoeuvred into outside group calling dispatch service zone in the group calling dispatch service zone, is perhaps started shooting in group calling dispatch service zone under talking state, and dispatching control center is gone into group with this member's paging.
Suppose limited caller and limited called all be user in the group described of Fig. 2, group management person is that user's dispatch service zone that limited caller is divided is DLA_1, DLA_2, for user's dispatch service zone of limited called division is DLA_3, DLA_5, describe the limited called signaling process of limited caller cluster individual calling in detail below in conjunction with Fig. 4, flow process is as follows:
Step S401, limited caller is initiated the cluster individual calling and is risen to call for and asks, and carries calling identification, called number in the request and rises and exhale the ground positional information;
Step S402, dispatching control center receive this call for ask after, note caller and rise and exhale the dispatch location area of ground in the positional information;
Step S403, dispatching control center sends authentication request to dispatching home location register, carries calling identification and called number in the authentication request;
Step S404, dispatching home location register rises caller according to the calling identification in the authentication request and exhales authentication, inquiring calling information, and called number carried out number analysis, inquire about called attribute information; After authentication is passed through, in returning to the authentication responses of dispatching control center, carry the attribute data of calling and called, comprise user's dispatch service zone and called user's dispatch service zone (being caller and called confined area) of caller in these attribute datas;
Step S405, dispatching control center obtains user's dispatch service zone of caller from authentication responses, DLA_1, DLA_2 in this dispatch service zone and the caller that prestores risen exhale the ground dispatch location area to compare, if rising and exhaling the ground dispatch location area is DLA_3, DLA_3 is not in the set of DLA1 and DLA2 composition, illustrating then that caller rises exhales the position outside caller dispatch service zone, and dispatching control center is refused this individual calling request, Reason For Denial " caller is not in the dispatch service zone "; If rising and exhaling the ground dispatch location area is DLA_1, DLA_1 illustrates then that caller rises to exhale the position in caller dispatch service zone that dispatching control center is initiated caller paging request to caller in the set that DLA1 and DLA2 form;
Step S406, dispatching control center is according to the tabulation of the dispatch location area in limited called user's dispatch service zone (being DLA_3 and DLA_5) inquiry second database, obtain the base station controller of called confined area correspondence, dispatching control center sends the called paging request to the base station controller that inquires, carry the dispatch location area DLA_3, the DLA_5 that belong to this base station controller in the called dispatch service zone in this paging request, the indication base station controller is thrown in paging to DLA_3 and DLA_5;
Step S407, after base station controller is received the paging request of dispatching control center, decoding obtains the dispatch location area tabulation in the paging request, and base station controller is inquired about the corresponding relation of dispatch location area and minizone in first database, determines to need to send the sub-district of paging; Base station controller is to determining that the sub-district that sends paging sends the paging request, if called being in the dispatch service zone then responds paging and insert individual calling, if called being in outside the dispatch service zone, because its sub-district, place does not send the paging request, therefore can not insert individual calling.
Below in conjunction with first group in the group of describing among Fig. 2, and Fig. 5 describes the signaling process that limited users is initiated limited cluster multi call in detail, and flow process is as follows:
Step S501, limited users is initiated group calling at first group of group and is risen to call for and ask, carried in the request that the person of exhaling identifies, called first group number and rising exhale positional information;
Step S502, dispatching control center receive this call for ask after, note caller and rise and exhale the dispatch location area of ground in the positional information;
Step S503, dispatching control center sends authentication request to dispatching home location register, carries calling identification and called first group number in the authentication request;
Step S504, dispatching home location register rises caller according to the calling identification in the authentication request and exhales authentication, and called group number is carried out number analysis, inquires about first cohort attribute information; After authentication is passed through, in returning to the authentication responses of dispatching control center, carry the attribute data of first group, comprise the dispatch service zone (being the confined area of group calling) of first group in the group property data;
Step S505, dispatching control center obtains first group from authentication responses dispatch service zone (is DLA_1, DLA_2, the set of DLA_4), at first with the dispatch location area DLA_1 in this dispatch service zone, DLA_2, DLA_4 and the caller that prestores rise exhales the ground dispatch location area to compare, if caller rises and exhales the ground dispatch location area is DLA_3, not at DLA_1, DLA_2, in the set of DLA_4, illustrating then that caller rises exhales the position outside the first group scheduling coverage, dispatching control center is refused this group calling request, Reason For Denial " caller is not in the dispatch service zone "; If rising and exhaling the ground dispatch location area is DLA_2, in the set of DLA_1, DLA_2, DLA_4, caller then is described in the first group scheduling coverage, then dispatching control center is initiated caller paging request to caller;
Step S506, dispatching control center is according to the tabulation of the dispatch location area in the first group scheduling coverage (being the set that DLA_1, DLA_2, DLA_4 constitute) inquiry second database, obtain the corresponding base station controller in the first group restricted zone, dispatching control center sends the called paging request to the base station controller that inquires, carry dispatch location area DLA_1, DLA_2, the DLA_4 that belongs to this base station controller in the dispatch service zone in this paging request, the indication base station controller is thrown in paging to DLA_1, DLA_2, DLA_4;
Step S507, after base station controller is received the paging request of dispatching control center, decoding obtains the dispatch location area tabulation in the paging request, and base station controller is inquired about the corresponding relation of dispatch location area and minizone in first database, determines to need to send the sub-district of paging; Base station controller is to determining that the sub-district that sends paging sends the paging request, if called being in the group scheduling coverage then responds paging and access group calling, if called being in outside the group scheduling coverage, because its sub-district, place does not send the paging request, therefore can not access group calling.
Suppose that limited users in the individual calling is the user in the group described of Fig. 2, user's dispatch service zone that group management person divides for this limited users is DLA_1, DLA_2, describes the step that limited users in the individual calling communication process is left system's release individual calling behind user's dispatch service zone below in conjunction with Fig. 6:
Step S601, in the cluster individual calling communication process, the limited users in the calling moves to DLA_3 by DLA_1, promptly moves out this user's dispatch service zone; Because the composition unit in dispatch service zone is the sub-district, therefore, moving out user's dispatch service zone means and moves out a certain sub-district, the user who is in business state begins to stride the sub-district and switches, after switching is finished, first database is inquired about in the base station, the dispatch location area of finding destination cell id correspondence is DLA_3, inconsistent with the dispatch location area DLA_1 that the cell-of-origin is number corresponding, base station structure handoff completion message, be notified to dispatching control center, carry the dispatch location area sign DLA_3 of sub-district, destination correspondence in the handoff completion message;
Step S602, dispatching control center is received handoff completion message, dispatch location area tabulation in switching destination dispatch location area DLA_3 in the message and the user's dispatch service zone is compared, find that destination dispatch location area DLA_3 is not in the set that DLA_1, DLA_2 constitute, illustrate that the user has exceeded user's dispatch service zone, dispatching control center begins to discharge this individual calling; Dispatching control center sends release command to caller;
Step S603, dispatching control center is to called transmission release command.
Below be example with first group in the group of describing among Fig. 2, describe in the limited calling talk process in conjunction with Fig. 7, limited member leaves behind the group scheduling coverage system with its step that discharges from call out:
Step S701, in the first cluster group calling communication process, the limited users in the calling moves to DLA_5 by DLA_4, promptly moves out the dispatch service zone of first group; Because the composition unit in dispatch service zone is the sub-district, therefore, moving out the group scheduling coverage means and moves out a certain sub-district, the user who is in business state begins to stride the sub-district and switches, after switching is finished, first database is inquired about in the base station, relatively the dispatch location area DLA_4 of the dispatch location area DLA_5 of destination cell id correspondence and cell-of-origin correspondence is inconsistent, base station structure handoff completion message, be notified to dispatching control center, carry the dispatch location area sign DLA_5 of sub-district, destination correspondence in the handoff completion message;
Step S702, dispatching control center is received handoff completion message, dispatch location area tabulation (being the set of DLA_1, DLA_2, DLA_4) in switching destination dispatch location area sign DLA_5 in the message and the group scheduling coverage is compared, find that destination dispatch location area DLA_5 not in the dispatch location area tabulation of group scheduling coverage, illustrates that the user has exceeded the group scheduling coverage of first group; Dispatching control center according to certain group calling exist principle judge this user withdraw from after needs terminating group whether, it can be that the group calling promoter withdraws from then group calling end that there is principle in group calling, it also can be then group calling end of member's less than two people in the communication process in the group calling, if judge that group calling needs to finish, then dispatching control center begins to discharge this group calling; Do not need to finish if judged result is group calling, dispatching control center sends release command to this user, and release cause " exceeds the dispatch service zone ";
Step S703, the user who exceeds the group scheduling coverage discharges and finishes, and dispatching control center receives that the member discharges the signaling that finishes.
Further, in conjunction with Fig. 3 scene 4, for lagging, limited users just can enter group calling behind the group calling dispatch service zone that enters first group in talking state, after the user who exceeds the group scheduling coverage is discharged by system, dispatching control center need be in the dispatch service zone of first group, and (being in the scope that comprises of DLA_1, DLA_2, DLA_4) initiates the periodicity paging to this user once more, after limited member moves forward into the group scheduling coverage, with the response cycle paging, enter calling.
Fig. 8 describes the signaling process that limited member starts shooting in the dispatch service zone in the limited cluster multi call:
Step S801, in the limited group call process, because limited users shutdown in the group, dispatching control center does not send paging to it, only notes this user and be in the shutdown attitude in group; Limited member's start in the group sends position register request to dispatching control center, and request type is start;
Step S802, the dispatching control center position register request of will starting shooting is sent to dispatching home location register, and dispatching home location register is noted the latest position information of start terminal;
Step S803, the registration of dispatching home location register home position is replied to dispatching control center;
Step S804, dispatching control center is responded location registers to base station sub-system and is replied;
Step S805, dispatching control center inquires the limited group calling at user place just in communication process, therefore all base station controllers in the group scheduling coverage send the periodicity paging request at the start user, carry the dispatch location area tabulation that belongs to this base station controller in the dispatch service zone in the paging request, the indication base station controller is thrown in paging to which dispatch location area;
Step S806, after base station controller is received the paging request of dispatching control center, decoding obtains the dispatch location area tabulation in the paging request, and base station controller is inquired about the corresponding relation of dispatch location area and minizone in first database, determines to need to send the sub-district of paging; Base station controller is to determining that the sub-district that sends paging sends the paging request;
Step S807, owing to start shooting the user in the group scheduling coverage, this user responds to connect to dispatching control center by base station sub-system and finishes, the response paging enters calling.
In sum, the present invention passes through the division by different level to dispatcher-controlled territory, and according to technical schemes such as dispatcher-controlled territory input paging requests, has effectively solved the technical problem of calling area restriction in the trunked call.
Though method of the present invention proposes at the trunked call that portable terminal relates to, and for the trunked call that the dispatcher relates to, initiates trunked call as the dispatcher, terminal is initiated trunked call etc. to the dispatcher, is suitable for too;
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 (11)
1, the implementation method that in a kind of group system calling is limited is characterized in that, comprising:
The database establishment step, set up first, second and the 3rd database respectively, the dispatch location area that comprises in the dispatch service zone of the corresponding relation of the corresponding relation of the memory scheduling band of position and sub-district, dispatch location area and base station controller and limited group and/or limited users correspondence respectively tabulation;
The call blocking controlled step, the dispatch location area tabulation that comprises in the dispatch service zone according to corresponding relation, limited group and/or the limited users correspondence of corresponding relation, dispatch location area and the base station controller of described dispatch location area and sub-district, and the dispatch service zone of limited group and/or limited users calling and/or called is carried out call blocking, trunked call is controlled in the dispatch service zone carries out.
2, the implementation method that in the group system according to claim 1 calling is limited is characterized in that, described calling is when lasting paging is called in the dispatcher-controlled territory, the following operation of the concrete execution of described call blocking controlled step:
Dispatching control center obtains the dispatch service zone of called object, and the dispatch location area tabulation that comprises in the dispatch service zone according to the corresponding relation of corresponding relation, dispatch location area and the base station controller of dispatch location area and sub-district in described first, second and the 3rd database and limited group and/or limited users correspondence determines that needs send the sub-district of paging, sends the paging request by base station controller to described definite sub-district that needs to send paging.
3, the implementation method that in the group system according to claim 2 calling is limited, it is characterized in that, continue in the described dispatcher-controlled territory in the called step of paging, for the terminal that does not have the access set groupcall, dispatching control center can by base station sub-system regularly, continue send paging to it.
4, the implementation method that in the group system according to claim 1 calling is limited is characterized in that, described calling is that limited users rises when exhaling individual calling, the following operation of the concrete execution of described call blocking controlled step:
Limited users rises exhales the ground dispatch location area not in the tabulation in calling subscriber's dispatch service zone, dispatching control center is refused this individual calling request, otherwise dispatching control center obtains the dispatch service zone of called object, and according to described first, the corresponding relation of dispatch location area and sub-district in the second and the 3rd database, the dispatch location area tabulation that comprises in the dispatch service zone of the corresponding relation of dispatch location area and base station controller and limited group and/or limited users correspondence determines that needs send the sub-district of paging, sends the paging request by base station controller to described definite sub-district that needs to send paging.
5, the implementation method that in the group system according to claim 1 calling is limited is characterized in that, described calling is a limited users when initiating limited cluster multi call, and described call blocking controlled step is concrete carries out following operation:
Described limited users rises exhales the ground dispatch location area not in the tabulation of group scheduling coverage, dispatching control center is refused this group calling request, otherwise dispatching control center obtains the dispatch service zone of called object, and according to described first, the corresponding relation of dispatch location area and sub-district in the second and the 3rd database, the dispatch location area tabulation that comprises in the dispatch service zone of the corresponding relation of dispatch location area and base station controller and limited group and/or limited users correspondence determines that needs send the sub-district of paging, sends the paging request by base station controller to described definite sub-district that needs to send paging.
6, the implementation method that in the group system according to claim 1 calling is limited, it is characterized in that, described calling is when limited users is left user's dispatch service zone in the individual calling in the communication process, the following operation of the concrete execution of described call blocking controlled step:
Dispatch location area is differentiated, the user who is in business state stride the sub-district switch finish after, the base station is according to described first database, whether the dispatch location area of judging the dispatch location area of destination cell id correspondence and cell-of-origin correspondence is consistent, as inconsistent, base station controller structure handoff completion message is notified to dispatching control center, carries the dispatch location area of sub-district, destination correspondence in the handoff completion message;
User's dispatch service zone, dispatching control center judges according to dispatch location area tabulation in destination dispatch location area and the user's dispatch service zone whether the user exceeds the dispatch service zone, if the user exceeds the dispatch service zone, owing to be individual calling, dispatching control center discharges this individual calling.
7, the implementation method that in the group system according to claim 1 calling is limited, it is characterized in that, described calling is when limited users is left user's dispatch service zone in the individual calling in the communication process, the following operation of the concrete execution of described call blocking controlled step:
Dispatch location area is differentiated, the user who is in business state stride the sub-district switch finish after, the base station is according to described first database, whether the dispatch location area of judging the dispatch location area of destination cell id correspondence and cell-of-origin correspondence is consistent, as inconsistent, base station controller structure handoff completion message is notified to dispatching control center, carries the dispatch location area of sub-district, destination correspondence in the handoff completion message;
User's dispatch service area judging, dispatching control center judges according to dispatch location area tabulation in destination dispatch location area and the user's dispatch service zone whether the user exceeds the dispatch service zone, if enter next step;
Group calling finish to judge, dispatching control center according to group calling exist principle judge this user withdraw from after needs terminating group whether, do not need to finish if judged result is group calling, enter next step;
Single user discharges, and starts to discharge flow process, discharges this user separately, and after release finished, dispatching control center regularly sent paging to this user in the group scheduling zone.
8, the implementation method that in the described group system according to claim 7 calling is limited, it is characterized in that, after the user who exceeds the group scheduling coverage is discharged by system, dispatching control center is initiated the periodicity paging to this user once more in the group scheduling coverage, after limited member moves forward into the group scheduling coverage, the response cycle paging enters calling.
9, the implementation method that in the described group system according to claim 1 calling is limited is characterized in that, described calling is to lag when adding cluster multi call after the limited users start, the following operation of the concrete execution of described call blocking controlled step:
In the limited group call process, be in the user of shutdown attitude in the dispatching control center record group;
Limited member start, the base station sub-system position register request of will starting shooting is sent to dispatching control center;
The dispatching control center position register request of will starting shooting is sent to dispatching home location register, and dispatching home location register is noted the latest position information of start terminal;
The registration of dispatching home location register home position is replied to dispatching control center, dispatching control center is when base station sub-system response location registers is replied, the limited group calling that inquires the user place is just in communication process, all base station controllers in the group scheduling coverage send the periodicity paging request at the start user, carry the dispatch location area tabulation that belongs to this base station controller in the dispatch service zone in the paging request;
Base station controller determines that according to described dispatch location area list query first database needs send the sub-district of paging;
Base station controller is to determining that the sub-district that sends paging sends the paging request
Because the user is in the group scheduling coverage in start, to respond connection by base station sub-system to dispatching control center and finish, the response paging enters calling.
10, the implement device that in a kind of group system calling is limited comprises terminal, base station sub-system and scheduler subsystem, and described scheduler subsystem comprises dispatching control center, dispatching home location register, it is characterized in that:
Described base station sub-system, dispatching control center and dispatching home location register store first, second and the 3rd database respectively, are used for the corresponding relation of corresponding relation, dispatch location area and the base station controller of the memory scheduling band of position and sub-district and the dispatch service zone of limited group and/or limited users correspondence respectively
The dispatch location area tabulation that comprises;
Base station sub-system and scheduler subsystem, be used for together dispatch location area tabulation that the dispatch service zone according to corresponding relation, limited group and/or the limited users correspondence of corresponding relation, dispatch location area and the base station controller of described dispatch location area and sub-district comprises, and the dispatch service zone of limited group and/or limited users calling and/or called is carried out call blocking, trunked call is controlled in the dispatch service zone carries out.
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