CN101090529B - Implement method for terminal Later joined groups call in digital trunking communication system - Google Patents
Implement method for terminal Later joined groups call in digital trunking communication system Download PDFInfo
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- CN101090529B CN101090529B CN2006101672196A CN200610167219A CN101090529B CN 101090529 B CN101090529 B CN 101090529B CN 2006101672196 A CN2006101672196 A CN 2006101672196A CN 200610167219 A CN200610167219 A CN 200610167219A CN 101090529 B CN101090529 B CN 101090529B
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Abstract
This invention discloses a method for realizing group-call joining later by terminals in a digital cluster communication system including: a calling terminal initiates cluster call, a PDS authenticates the calling and call cluster members to a PHR, which feeds back the calling and cluster member information to the PDS, after the authentication, if terminals of some cluster members can not join in the cluster call temporarily, the PDS records the activated clusters where the terminals situate but not call these terminals, when the PDS tests that some terminals can join in the cluster call, it pages them.
Description
Technical field
The present invention relates to the digital cluster communication technology, relate in particular to the implementation method of terminal into group calling late in a kind of digital clustering communication system.
Background technology
Trunked communication system is a kind of senior mobile dispatching patcher, is representing the developing direction of the specialized mobile radio net of one of communication system.Trunked communication system has shared, the automatic selective channel function of all users that available channel is a system, and it is the multipurpose of shared resource, contribution, shared channel equipment and service, dynamical wireless dispatching communication system.Because it is big that digital clustering communication system has power system capacity, frequency efficiency height, the advantage of diverse in function, the present mainstream technology that has become the trunking communication field.
As shown in Figure 1, digital clustering communication system mainly comprises colony terminal, base station sub-system, switching subsystem and trunking dispatching subsystem, wherein:
Colony terminal (MS, Mobile Station) links to each other with group system by air interface, and the various group services of group system are provided for the user.Have the function of the plain old telephone service, supplementary service, short message service and the data service that provide traditional simultaneously concurrently.
Base station sub-system (BSS) 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.
Switching subsystem belongs to the core net in the mobile communication system, its network entity comprises moving exchanging center MSC (Mobile Switching Center) and attaching position register HLR (Home LocationRegister), mainly finish phone interconnect services, common telephone call business and part value-added service, and provide the storage and the management function of related service function user information, be included as that the mobile subscriber with normal speech business opens an account, nullifies, professional authentication and mandate etc., assist to finish user's calling and business operation simultaneously.
SMS service center SMSC (Short Message Service Centre) is responsible for relaying, storage or transmits short message.Terminal can be transmitted the short message that comes self terminal or be sent to terminal to the agreement of SMS service center.
Trunking dispatching subsystem comprises dispatching control center PDS (PTT Dispatching Server), dispatching home location register PHR (PTT Home Register), dispatching desk server DAS (DispatchingAgent Server), dispatching desk client DAC (Disaptching Agent Client) and cluster user database.Scheduler subsystem is mainly finished colony dispatching service.
Dispatching control center (PDS) is the master control point of trunked call, finishes the processing of colony dispatching calling, comprises the discriminating cluster user, sets up various trunked calls, judges the request of cluster conversation power etc.Dispatching control center also receives the cluster speech data from reverse link, is distributed to corresponding forward link again according to the character of calling out.
Dispatching home location register (PHR) is carried out the cluster user database management operation, finishes charging, authentication and authorization function in the digital cluster system.
The cluster user database storage all user related informations in the trunked communication system.
Dispatching desk server (DAS) trunking dispatch server end.
Dispatching desk client (DAC) cluster client end, the association attributes of carrying out cluster user disposes functions such as (the operating time section that comprises user in the interruption-free), management.Dispatching desk also can be used as limit priority terminal in the trunked call simultaneously, participates in trunked call service.
Realize at present terminal lag the conventional method that adds cluster group calling be when terminal because of shutdown, when exceeding reason such as coverage and can't add current group call, dispatching control center starts the paging timer by certain mechanism, timing is called out terminal.In case starting up of terminal or carry out the coverage, terminal promptly can in time respond paging and added and call out this moment.
The shortcoming of said method is exactly not have positional information or terminal when terminal because of reasons such as shutdown to have added other priority when being not less than the trunked call of current group calling, dispatching control center can be under it group call regularly paging all the time when activating, when this kind situation more for a long time, can take the timer resource of radio channel resource and dispatching control center in a large number, the performance of whole system is had certain influence.And if this terminal belongs to a plurality of groups, when a plurality of groups terminal can't be paged situation under initiate group calling simultaneously, can't carry out logic determines according to original method which group is this terminal added.
Summary of the invention
The technical problem to be solved in the present invention just provides the implementation method of terminal into group calling late in a kind of digital clustering communication system, this method can not take the timer resource of radio channel resource and dispatching control center in a large number because of terminal temporarily can't add this terminal of group call timing paging all the time.
In order to solve the problems of the technologies described above, the invention provides the implementation method of terminal into group calling late in a kind of digital clustering communication system, comprise the steps:
(1) calling terminal is initiated group call, and dispatching control center PDS carries out caller and call group member authentication to dispatching home location register PHR, and PHR returns caller and group member information to PDS;
(2) after authentication was passed through, in the time of temporarily can't adding group call as if the terminal that group member is arranged, PDS write down the residing activation of these terminals group, but does not call out these terminals;
(3) in this trunked call process, after PDS detects and has terminal can add this group call in these terminals, the paging terminal that can add again.
Further, in the described step (2), judge the terminal closedown of group member or do not have positional information, think that it temporarily can't add group calling as if PDS; In the described step (3), in the trunked call process,, and there is not other high priority or the trunked call that takes place is earlier treated paging if PDS detects and has terminal to start shooting in these terminals or enter service area, think that then this terminal can add this trunked call, this terminal of paging.
Further, in the described step (2), be in the calling and the priority of this calling when being not less than described group call, think that it temporarily can't add this group call if PDS judges the terminal of group member; In the described step (3), in the trunked call process,, think that then this terminal can add this group calling, this terminal of paging if PDS detects and has last time calling out of terminal discharged in these terminals and do not have other high priority or the trunked call that takes place is earlier treated paging.
Further, in the described step (3), if PDS receives the group call of the group member terminal initiation that temporarily can't add described group call, when the group call of judging this initiation has activated, this terminal of paging.
Further, PDS writes down residing activations of this terminal group by creating the terminal attribute table, and by the tabulate state of the group member terminal that writes down this group call of establishment group call member, both are associated by the ID of group; In the described step (2), after authentication is passed through, dispatching control center PDS judges whether the group member SOT state of termination temporarily can't add the international mobile subscriber identity IMSI inspection terminal attribute table of group calling: PDS according to terminal, if this terminal has corresponding terminal attribute table, then PDS judges whether this group call priority is higher than the Active Set groupcall priority at this current place of terminal, if in the equal or high-priority call, then this terminal temporarily can't add group calling to this terminal at other; If this terminal does not have corresponding terminal attribute table, then the end message that returns according to dispatching home location register PHR of PDS is created this terminal attribute table, checks whether terminal shuts down, if this terminal closedown or do not have positional information, then this terminal temporarily can't add group calling.
Further, if this terminal in the equal or high-priority call, is then carried out following steps at other:
(a) PDS finds the group call member tabulation at this terminal place according to the group ID of terminal attribute table, adds this end message in the list item of the group call member tabulation at this terminal place, and configuration state is NULL, wouldn't this terminal of paging;
(b) when this high-priority call discharges, PDS checks its terminal attribute table and group call member tabulation, according to serving earlier first and the high priority principle of priority, selecting this terminal state in its group call member tabulation is the calling of NULL, if this group call, then its state is changed to paging, and this terminal of paging.
Further, if this terminal closedown or do not have positional information is then carried out following steps:
(a) PDS finds the group call member tabulation at its place according to the group ID of terminal attribute table, adds this end message in the list item of the group call member tabulation at this terminal place, and configuration state is NULL, wouldn't this terminal of paging;
(b) described starting up of terminal or enter service area after, send position register request to PDS;
(c) after PDS receives the position register request of PHR, carry out position registering and authentifying to PHR;
(d) PHR examines the terminal positional information that PDS reports up, and authentication replys for the PDS position registering and authentifying by the back loopback;
(e) after the PDS position registering and authentifying that receives PHR is replied, IMSI according to this terminal searches the terminal attribute table, if there is the list item of this end message, illustrate that this terminal is in a certain trunked call, and further search and activate group list and group call member tabulation, according to serving earlier first and trunked call of high priority principle of priority selection, if this terminal state in group call member tabulation is NULL, then putting its state is paging;
(f) PDS replys to this terminal loopback location registration;
(g) this terminal of PDS paging.
Further, not in other are called out, PDS sets up the calling member list item at this terminal place according to organizing the calling membership table that ID finds its place as if the group member terminal, and configuration state is paging, and this terminal of paging, after the wait terminal responds it is added group calling; If terminal is not replied, PDS will start the paging timer, regularly this terminal be carried out paging, till terminal responds or group calling release.
Further, if judge that the group member terminal is in other low priority call, PDS finds the group call member tabulation at this terminal place according to the group ID of terminal attribute table, set up the group call member tabulation at this terminal place, configuration state is paging, and the state in the list item of the group call member of the original place of this terminal low priority call tabulation is changed to NULL, and call out this terminal simultaneously, waiting for after the terminal responds will it adding group calling; If terminal is not replied, PDS will start the paging timer, regularly this terminal be carried out paging, till terminal responds or group calling release.
Further, if the group member terminal withdraws from calling, then this terminal adds this trunked call again by call group.
Further, described terminal call group, the step that adds this trunked call again comprises:
(a) terminal sends the group calling request according to the group calling of initiating to have activated group to PDS;
(b) after PDS receives the group calling request that terminal sends here, carry out group calling and this terminal authentication as caller to PHR;
(c) PHR receives group's authentication request that PDS sends here, and group and this terminal information are examined, and authentication is given the PDS successful respond by the back loopback;
(d) after PDS receives group's authentication responses of PHR, activate group list according to the sets of numbers inquiry of initiating, if in activating group list, there is the list item that is complementary with sets of numbers, illustrate that then the group calling that this terminal is initiated activates, further check group call member tabulation, as find that the state of this terminal in group call member tabulation is NULL, then putting its state is paging, this terminal of PDS paging.
The present invention compares with traditional adding method that lags, and has following characteristics:
1. do not have positional information or terminal when terminal because of reasons such as shutdown and added other priority when being not less than the trunked call of current group calling, dispatching control center is this terminal of timing paging all the time not, save the timer resource of radio channel resource and dispatching control center, improved the overall performance of group system to a certain extent;
2. provide a kind of terminal initiatively to lag and added the method for group calling, strengthened the flexibility of system;
3. the logic determines simple and fast when belonging to a plurality of group for terminal.
Description of drawings
Fig. 1 is the basic network architecture of digital clustering communication system;
Fig. 2 judges whether paging group member flow chart for embodiment of the invention PDS;
Fig. 3 adds the group calling flow process for embodiment of the invention terminal location registers again lags;
Fig. 4 adds the group calling flow process for embodiment of the invention terminal initiatively lags.
Embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Present embodiment has proposed:
1. dispatching control center judges whether the initiatively method of paging group member;
2. when terminal can't add group calling because of exceeding reasons such as service area, enter the adding method that lags of service area;
3. when terminal can't add group calling because of reasons such as shutdown, the adding method that lags after the start;
4. when terminal can't add group calling because of being in reasons such as other high-priority call, last time called out the adding method that lags after discharging;
5. the terminal adding method that initiatively lags.
Present embodiment has proposed to realize that terminal adds a kind of relatively more compromise method of group call late, when terminal can't temporarily add group calling because of exceeding reasons such as service area, adopt dispatching control center to start the paging timer, regularly the method that terminal is called out by certain mechanism; Do not have positional information when terminal because of reasons such as shutdown and may add for a long time group calling, it is not carried out timing paging, and by terminal in start or when carrying out location registers again the triggering dispatching control center carry out paging again; When terminal may add group calling for a long time because of adding other trunked call that is not less than current group calling, it is not carried out timing paging yet, discharge back triggering dispatching control center and carry out paging again and call out at its place by terminal.Simultaneously, as replenishing of the above-mentioned passive adding method that lags, the active of system's support terminal addings that lag, promptly terminal is initiated the group calling of ownership group, and system adds calling with this terminal automatically when this group has activated.
Present embodiment need be provided with the group call member tabulation of trunked call in dispatching control center, and note the state of member in this trunked call of calling out, three kinds of the most basic states are: activation, paging and NULL, state of activation refers to that terminal successfully adds activation and calls out, paging state refers to this terminal of the positive paging of dispatching control center and the not adding calling of this terminal, the NULL state refer to the user because added other same priority or high priority trunked call, withdraw from or situation such as shutdown under, this is called for not paging of dispatching control center.The present invention also need be provided with the terminal attribute table in dispatching control center, the corresponding terminal attribute table of terminal, the field that comprises is information such as the attribute of terminal and the residing activation ID of group of terminal, can point to place group call member tabulation and activate group list, activate group list and mainly comprise the ID of group, activate fields such as group member number.
The step that the present invention realizes comprises:
(1) calling terminal is initiated group call, and PDS carries out caller and group's authentication to PHR, and PHR returns caller and group information, and PDS is confirming all normal back paging caller of the two information;
PHR is by verifying group and caller information, judge whether this terminal has the authority of initiating group calling, if had authentication by and return caller and group information, PDS sets up and activates group list and group call member tabulation, and according to the relevant information paging caller of calling terminal; If do not have then failed authentication, not paging of PDS caller, this group calling discharges.
Whether (two) PDS carries out the group member authentication to PHR, and PHR returns group member information, and PDS is according to the group member information that PHR returned, determine as shown in Figure 2, to may further comprise the steps this terminal of paging:
Step 200: beginning;
Step 201:PDS judges end message that PHR returns comprises whether positional information and group membership's attribute be legal, if legal then change step 202, otherwise would change step 209;
Step 202:PDS is according to international mobile subscriber identity (International MobileSubscriber Identification Number, IMSI) the inspection terminal attribute table of terminal;
Step 203:PDS checks the terminal attribute table, if find this terminal corresponding terminal attribute table is arranged, and illustrates that then this terminal is present in certain and activates in the calling, changes step 206; If there is not the terminal attribute table, illustrate that then this terminal does not add any trunked call, change step 204;
The end message that step 204:PDS returns according to PHR is created the terminal attribute table of this terminal.
Step 205:PDS checks whether terminal shuts down, if change step 208, otherwise changes step 207;
Step 206:PDS judges whether this group call priority is higher than the Active Set groupcall priority at this current place of terminal, changes step 207 if be higher than, otherwise changes step 208;
Step 207: for terminal not in other trunked calls and the situation of not shutting down, PDS finds the calling membership table of this terminal place group according to the group ID of terminal attribute table, in the list item of the group call member at this terminal place tabulation, add this end message, configuration state is paging, and this terminal of paging; For terminal at certain trunked call but the lower situation of priority, PDS finds the calling membership table at its place according to the group ID of terminal attribute table, in the list item of the group call member at this terminal place tabulation, add this end message, configuration state is paging, and the state that the place that the terminal attribute table points to is activated in the group list member list item is changed to NULL, calls out this terminal simultaneously;
Step 208:PDS finds the calling membership table at its place according to group ID, adds this end message in the list item of the group call member tabulation at this terminal place, and putting this SOT state of termination is NULL, this terminal of not paging temporarily;
Step 209: flow process finishes.
(3) in step (two) afterwards, the method for following several subsequent treatment is arranged: for two kinds of situations in the above-mentioned steps 207, this terminal of PDS paging adds group calling with it after the wait terminal responds.If terminal is not replied, PDS will start the paging timer, and this terminal is regularly carried out paging, till terminal responds or group calling release.
(4) for terminal at certain trunked call but the priority condition with higher, when this high-priority call discharges, PDS checks its terminal attribute table and group call member tabulation, at first according to service earlier first, according to the high priority principle of priority, selecting this terminal state in its calling membership table is the calling of NULL, if be this group call again, then its state is changed to paging, and this terminal of paging.
(5), at starting up of terminal or enter service area again during location registers, trigger this terminal of PDS paging for the situation of terminal closedown.As shown in Figure 3, comprise the steps:
Step 301: colony terminal start or enter service area after, send position register request to PDS;
After step 302:PDS receives the position register request of PHR, carry out position registering and authentifying to PHR;
Step 303:PHR examines the terminal positional information that PDS reports up, and authentication replys for the PDS position registering and authentifying by the back loopback;
After the position registering and authentifying that step 304:PDS receives PHR is replied, IMSI according to this terminal searches the terminal attribute table, if there is the corresponding list item of this terminal, illustrate that this terminal is in a certain trunked call, and further search and activate group list and group call member tabulation, according to serving earlier first and trunked call of high priority principle of priority selection, if this terminal state in group call member tabulation is NULL, then putting its state is paging.
Step 305:PDS replys to this terminal loopback location registration.
This terminal of step 306:PDS paging.
For above-mentioned several situations or other special circumstances, initiatively withdraw from or withdrawed from original calling such as terminal by the system manager, terminal can be by the mode of normal call group, when PDS judges under the situation that the group of its calling activated, also normal this terminal of paging realizes the terminal adding that initiatively lags.As shown in Figure 4, step is as follows:
Step 401: terminal sends the group calling request according to the group calling of initiating to have activated group to PDS.
After step 402:PDS receives the group calling request that terminal sends here, carry out group calling and this terminal authentication as caller to PHR.
Step 403:PHR receives group's authentication request that PDS sends here, and group and this terminal information are examined, and authentication is given the PDS successful respond by the back loopback.
After step 404:PDS receives group's authentication responses of PHR, activate group list according to the sets of numbers inquiry of initiating, if in activating group list, there is the list item that is complementary with sets of numbers, illustrate that then the group calling that this terminal is initiated activates, further check group call member tabulation, as find that the state of this terminal in group call member tabulation is NULL, then putting its state is paging.
This terminal of step 405:PDS paging.
Claims (20)
1. the implementation method of terminal into group calling late in the digital clustering communication system comprises the steps:
(1) calling terminal is initiated group call, and dispatching control center PDS carries out caller and call group member authentication to dispatching home location register PHR, and PHR returns caller and group member information to PDS;
(2) after authentication was passed through, in the time of temporarily can't adding group call as if the terminal that group member is arranged, PDS write down the residing activation of these terminals group, but does not call out these terminals;
(3) in this group call process, after PDS detects and has terminal can add this group call in these terminals, the paging terminal that can add again;
Wherein, in the described step (2), judge the terminal closedown of group member or do not have positional information, think that it temporarily can't add group calling as if PDS.
2. implementation method according to claim 1 is characterized in that:
In the described step (3), in the trunked call process,, and there is not other high priority or the trunked call that takes place is earlier treated paging if PDS detects and has terminal to start shooting in these terminals or enter service area, think that then this terminal can add this trunked call, this terminal of paging.
3. implementation method according to claim 1 is characterized in that, also comprises step:
The terminal of group member that temporarily can't add group call in the time can adding group call, active call group;
If PDS receives the group call of the group member terminal initiation that temporarily can't add described group call, when the group call of judging this initiation has activated, this terminal of paging.
4. implementation method according to claim 1 is characterized in that:
PDS writes down residing activations of this terminal group by creating the terminal attribute table, and by the tabulate state of the group member terminal that writes down this group call of establishment group call member, both are associated by the ID of group;
In the described step (2), after authentication was passed through, dispatching control center PDS judged whether the group member SOT state of termination temporarily can't add group calling:
PDS checks the terminal attribute table according to the international mobile subscriber identity IMSI of terminal, if this terminal has corresponding terminal attribute table, then PDS judges whether this group call priority is higher than the Active Set groupcall priority at this current place of terminal, if in the equal or high-priority call, then this terminal temporarily can't add group calling to this terminal at other;
If this terminal does not have corresponding terminal attribute table, then the end message that returns according to dispatching home location register PHR of PDS is created this terminal attribute table, checks whether terminal shuts down, if this terminal closedown or do not have positional information, then this terminal temporarily can't add group calling.
5. implementation method according to claim 4 is characterized in that: if this terminal in the equal or high-priority call, is then carried out following steps at other:
(a) PDS finds the group call member tabulation at this terminal place according to the group ID of terminal attribute table, adds this end message in the list item of the group call member tabulation at this terminal place, and configuration state is NULL, wouldn't this terminal of paging;
(b) when this high-priority call discharges, PDS checks its terminal attribute table and group call member tabulation, according to serving earlier first and the high priority principle of priority, selecting this terminal state in its group call member tabulation is the calling of NULL, if this group call, then its state is changed to paging, and this terminal of paging.
6. implementation method according to claim 4 is characterized in that: if this terminal closedown or do not have positional information is then carried out following steps:
(a) PDS finds the group call member tabulation at its place according to the group ID of terminal attribute table, adds this end message in the list item of the group call member tabulation at this terminal place, and configuration state is NULL, wouldn't this terminal of paging;
(b) described starting up of terminal or enter service area after, send position register request to PDS;
(c) after PDS receives the position register request of PHR, carry out position registering and authentifying to PHR;
(d) PHR examines the terminal positional information that PDS reports up, and authentication replys for the PDS position registering and authentifying by the back loopback;
(e) after the PDS position registering and authentifying that receives PHR is replied, IMSI according to this terminal searches the terminal attribute table, if there is the list item of this end message, illustrate that this terminal is in a certain trunked call, and further search and activate group list and group call member tabulation, according to serving earlier first and trunked call of high priority principle of priority selection, if this terminal state in group call member tabulation is NULL, then putting its state is paging;
(f) PDS replys to this terminal loopback location registration;
(g) this terminal of PDS paging.
7. implementation method according to claim 4, it is characterized in that: if the group member terminal is not in other are called out, PDS finds the calling membership table at its place according to group ID, set up the calling member list item at this terminal place, configuration state is paging, and this terminal of paging, after the wait terminal responds it is added group calling; If terminal is not replied, PDS will start the paging timer, regularly this terminal be carried out paging, till terminal responds or group calling release.
8. implementation method according to claim 4, it is characterized in that: if judge that the group member terminal is in other low priority call, PDS finds the group call member tabulation at this terminal place according to the group ID of terminal attribute table, set up the group call member tabulation at this terminal place, configuration state is paging, and the state in the list item of the group call member of the original place of this terminal low priority call tabulation is changed to NULL, and call out this terminal simultaneously, waiting for after the terminal responds will it adding group calling; If terminal is not replied, PDS will start the paging timer, regularly this terminal be carried out paging, till terminal responds or group calling release.
9. implementation method according to claim 1 is characterized in that: if the group member terminal withdraws from calling, then this terminal adds this trunked call again by call group.
10. implementation method according to claim 9 is characterized in that: described terminal call group, and the step that adds this trunked call again comprises:
(a) terminal sends the group calling request according to the group calling of initiating to have activated group to PDS;
(b) after PDS receives the group calling request that terminal sends here, carry out group calling and this terminal authentication as caller to PHR;
(c) PHR receives group's authentication request that PDS sends here, and group and this terminal information are examined, and authentication is given the PDS successful respond by the back loopback;
(d) after PDS receives group's authentication responses of PHR, activate group list according to the sets of numbers inquiry of initiating, if in activating group list, there is the list item that is complementary with sets of numbers, illustrate that then the group calling that this terminal is initiated activates, further check group call member tabulation, as find that the state of this terminal in group call member tabulation is NULL, then putting its state is paging, this terminal of PDS paging.
11. the implementation method of terminal into group calling late comprises the steps: in the digital clustering communication system
(1) calling terminal is initiated group call, and dispatching control center PDS carries out caller and call group member authentication to dispatching home location register PHR, and PHR returns caller and group member information to PDS;
(2) after authentication was passed through, in the time of temporarily can't adding group call as if the terminal that group member is arranged, PDS write down the residing activation of these terminals group, but does not call out these terminals;
(3) in this group call process, after PDS detects and has terminal can add this group call in these terminals, the paging terminal that can add again;
In the described step (2), be in the calling and the priority of this calling when being not less than described group call, think that it temporarily can't add this group call if PDS judges the terminal of group member.
12. implementation method according to claim 11 is characterized in that:
In the described step (3), in the trunked call process,, think that then this terminal can add this group calling, this terminal of paging if PDS detects and has last time calling out of terminal discharged in these terminals and do not have other high priority or the trunked call that takes place is earlier treated paging.
13. implementation method according to claim 11 is characterized in that, also comprises step:
The terminal of group member that temporarily can't add group call in the time can adding group call, active call group;
If PDS receives the group call of the group member terminal initiation that temporarily can't add described group call, when the group call of judging this initiation has activated, this terminal of paging.
14. implementation method according to claim 11 is characterized in that:
PDS writes down residing activations of this terminal group by creating the terminal attribute table, and by the tabulate state of the group member terminal that writes down this group call of establishment group call member, both are associated by the ID of group;
In the described step (2), after authentication was passed through, dispatching control center PDS judged whether the group member SOT state of termination temporarily can't add group calling:
PDS checks the terminal attribute table according to the international mobile subscriber identity IMSI of terminal, if this terminal has corresponding terminal attribute table, then PDS judges whether this group call priority is higher than the Active Set groupcall priority at this current place of terminal, if in the equal or high-priority call, then this terminal temporarily can't add group calling to this terminal at other;
If this terminal does not have corresponding terminal attribute table, then the end message that returns according to dispatching home location register PHR of PDS is created this terminal attribute table, checks whether terminal shuts down, if this terminal closedown or do not have positional information, then this terminal temporarily can't add group calling.
15. implementation method according to claim 14 is characterized in that: if this terminal in the equal or high-priority call, is then carried out following steps at other:
(a) PDS finds the group call member tabulation at this terminal place according to the group ID of terminal attribute table, adds this end message in the list item of the group call member tabulation at this terminal place, and configuration state is NULL, wouldn't this terminal of paging;
(b) when this high-priority call discharges, PDS checks its terminal attribute table and group call member tabulation, according to serving earlier first and the high priority principle of priority, selecting this terminal state in its group call member tabulation is the calling of NULL, if this group call, then its state is changed to paging, and this terminal of paging.
16. implementation method according to claim 14 is characterized in that: if this terminal closedown or do not have positional information is then carried out following steps:
(a) PDS finds the group call member tabulation at its place according to the group ID of terminal attribute table, adds this end message in the list item of the group call member tabulation at this terminal place, and configuration state is NULL, wouldn't this terminal of paging;
(b) described starting up of terminal or enter service area after, send position register request to PDS;
(c) after PDS receives the position register request of PHR, carry out position registering and authentifying to PHR;
(d) PHR examines the terminal positional information that PDS reports up, and authentication replys for the PDS position registering and authentifying by the back loopback;
(e) after the PDS position registering and authentifying that receives PHR is replied, IMSI according to this terminal searches the terminal attribute table, if there is the list item of this end message, illustrate that this terminal is in a certain trunked call, and further search and activate group list and group call member tabulation, according to serving earlier first and trunked call of high priority principle of priority selection, if this terminal state in group call member tabulation is NULL, then putting its state is paging;
(f) PDS replys to this terminal loopback location registration;
(g) this terminal of PDS paging.
17. implementation method according to claim 14, it is characterized in that: if the group member terminal is not in other are called out, PDS finds the calling membership table at its place according to group ID, set up the calling member list item at this terminal place, configuration state is paging, and this terminal of paging, after the wait terminal responds it is added group calling; If terminal is not replied, PDS will start the paging timer, regularly this terminal be carried out paging, till terminal responds or group calling release.
18. implementation method according to claim 14, it is characterized in that: if judge that the group member terminal is in other low priority call, PDS finds the group call member tabulation at this terminal place according to the group ID of terminal attribute table, set up the group call member tabulation at this terminal place, configuration state is paging, and the state in the list item of the group call member of the original place of this terminal low priority call tabulation is changed to NULL, and call out this terminal simultaneously, waiting for after the terminal responds will it adding group calling; If terminal is not replied, PDS will start the paging timer, regularly this terminal be carried out paging, till terminal responds or group calling release.
19. implementation method according to claim 11 is characterized in that: if the group member terminal withdraws from calling, then this terminal adds this trunked call again by call group.
20. implementation method according to claim 19 is characterized in that: described terminal call group, the step that adds this trunked call again comprises:
(a) terminal sends the group calling request according to the group calling of initiating to have activated group to PDS;
(b) after PDS receives the group calling request that terminal sends here, carry out group calling and this terminal authentication as caller to PHR;
(c) PHR receives group's authentication request that PDS sends here, and group and this terminal information are examined, and authentication is given the PDS successful respond by the back loopback;
(d) after PDS receives group's authentication responses of PHR, activate group list according to the sets of numbers inquiry of initiating, if in activating group list, there is the list item that is complementary with sets of numbers, illustrate that then the group calling that this terminal is initiated activates, further check group call member tabulation, as find that the state of this terminal in group call member tabulation is NULL, then putting its state is paging, this terminal of PDS paging.
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| CN101931889B (en) * | 2009-06-26 | 2014-03-12 | 中兴通讯股份有限公司 | Method for implementing self grouping of terminal in cluster system |
| CN102123354A (en) * | 2011-03-30 | 2011-07-13 | 上海通号轨道交通工程技术研究中心有限公司 | Group calling method based on digital trunking communication system |
| CN103220627B (en) * | 2012-01-18 | 2016-04-20 | 鼎桥通信技术有限公司 | Do not connect group call processing method and monitor terminal |
| CN103428643A (en) * | 2012-05-17 | 2013-12-04 | 大唐移动通信设备有限公司 | Method and device for dynamic restructuring |
| CN103546885B (en) * | 2012-07-09 | 2017-06-09 | 中兴通讯股份有限公司 | A kind of location updating method and system based on digital clustering communication system |
| CN107027106A (en) * | 2017-03-02 | 2017-08-08 | 四川海格恒通专网科技有限公司 | Dynamically increase the method for interim emergent group in a kind of wireless trunking communication system |
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| CN1418021A (en) * | 2001-10-30 | 2003-05-14 | 深圳市中兴通讯股份有限公司 | Modile communicatoin system and its group service realizing method |
| CN1848981A (en) * | 2005-12-21 | 2006-10-18 | 华为技术有限公司 | A method for implementing digital trunking late entry service |
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| CN1418021A (en) * | 2001-10-30 | 2003-05-14 | 深圳市中兴通讯股份有限公司 | Modile communicatoin system and its group service realizing method |
| CN1848981A (en) * | 2005-12-21 | 2006-10-18 | 华为技术有限公司 | A method for implementing digital trunking late entry service |
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