CN103220631B - Trunked communication system, monitor terminal and Adding Way thereof - Google Patents
Trunked communication system, monitor terminal and Adding Way thereof Download PDFInfo
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- CN103220631B CN103220631B CN201210016757.0A CN201210016757A CN103220631B CN 103220631 B CN103220631 B CN 103220631B CN 201210016757 A CN201210016757 A CN 201210016757A CN 103220631 B CN103220631 B CN 103220631B
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Abstract
The invention provides a kind of trunked communication system, monitor terminal and Adding Way thereof.Wherein method comprises: when the monitor terminal being arranged in current area detects the beep-page message coming from network side, obtain group and add periodic quantity C from this beep-page message; When described monitor terminal has detected that group activates, monitored this group, and from 0 ~ C Stochastic choice one random value T; Described monitor terminal postpones to initiate group according to described random value T to described network side and adds flow process.The present invention adds flow process by making monitor terminal postpone to initiate group according to selected random value T, the group of each monitor terminal is added be evenly distributed in time opportunity as far as possible, avoid the signaling storm produced when a large amount of monitor terminal adds group simultaneously, thus be conducive to ensureing normally carrying out of cluster communication service.
Description
Technical field
The present invention relates to a kind of trunked communication system, monitor terminal and Adding Way thereof, belong to time-division-Long Term Evolution (TimeDivision-LongTermEvolution, be called for short: TD-LTE) trunking communicating technology field.
Background technology
In the trunked communication system realized based on TD-LTE, when monitor terminal has detected that group activates, first monitor this group, then need to add by group the group that this monitor terminal of flow process informing network side monitors, make network side can know the group at monitor terminal place definitely
But add in flow process in existing group, monitor terminal is once detect that group's activation will send group to base station and join request.If now there is a large amount of monitor terminals all detected that group activates, then can send group to base station simultaneously join request, thus signaling storm can be produced by interface aloft, affect normal cluster communication service.
Summary of the invention
The invention provides a kind of trunked communication system, monitor terminal and Adding Way thereof, in order to avoid the signaling storm produced because a large amount of monitor terminal adds group simultaneously.
One aspect of the present invention provides the Adding Way of monitor terminal in a kind of trunked communication system, comprising:
When the monitor terminal being arranged in current area detects the beep-page message coming from network side, from this beep-page message, obtain group add periodic quantity C;
When described monitor terminal has detected that group activates, monitored this group, and from 0 ~ C Stochastic choice one random value T;
Described monitor terminal postpones to initiate group according to described random value T to described network side and adds flow process.
The present invention provides a kind of monitor terminal on the other hand, comprising:
Detection module, for when described monitor terminal is arranged in current area, detect the beep-page message coming from network side, and whether detection has group to activate;
Acquisition module, adds periodic quantity C for obtaining group in the described beep-page message that detects from detection module;
Monitor module, for when detection module has detected that group activates, monitor this group;
Select module, for when monitoring module and starting to monitor described group, Stochastic choice one random value T from 0 ~ C;
Initiation module, for adding flow process according to selecting the described random value T of model choice to postpone to initiate group to described network side.
Another aspect of the invention provides a kind of trunked communication system comprising above-mentioned monitor terminal, wherein also comprises network equipment, and this network equipment comprises:
Monitoring module, for detect described monitor terminal place current area in have contracted the quantity of monitor terminal of described group;
For the described quantity detected according to monitoring module, determination module, determines that group adds periodic quantity C;
Broadcast module, the described group for being determined by determination module adds periodic quantity C and is carried in beep-page message, and in described current area this beep-page message of broadcast transmission.
The present invention adds flow process by making monitor terminal postpone to initiate group according to selected random value T, the group of each monitor terminal is added be evenly distributed in time opportunity as far as possible, avoid the signaling storm produced when a large amount of monitor terminal adds group simultaneously, thus be conducive to ensureing normally carrying out of cluster communication service.
Accompanying drawing explanation
Fig. 1 is the flow chart of the Adding Way embodiment of monitor terminal in trunked communication system of the present invention;
Fig. 2 is for being sent the flow chart of beep-page message by network side before method shown in Fig. 1;
Fig. 3 is the citing signaling process figure of the Adding Way embodiment of monitor terminal in trunked communication system of the present invention;
Fig. 4 is the structural representation of trunked communication system embodiment of the present invention.
Embodiment
Fig. 1 is the flow chart of the Adding Way embodiment of monitor terminal in trunked communication system of the present invention, and as shown in the figure, the method comprises:
Step 110, when the monitor terminal being arranged in current area detects the beep-page message coming from network side, obtains group and adds periodic quantity C from this beep-page message.
Wherein, monitor terminal refers to the terminal that the group service of initiating speaker's terminal is monitored; C is the numerical value representing duration, is preferably integer; This beep-page message such as can add system information block (SystemInformationBlock, the abbreviation: SIB) 21 system messages, the definition of this message is exemplified below of periodic quantity C for carrying described group.
Wherein, " groupJoinCycle " represents that described group adds periodic quantity C, and unit is second; Default value is 0, represents that initiating group immediately adds flow process.Particularly, the process of transmitting of this beep-page message will be described in detail follow-up.
Step 120, when described monitor terminal has detected that group activates, has monitored this group, and from 0 ~ C Stochastic choice one random value T.
Particularly, before selecting, described monitor terminal first can judge whether self has added described group, this group is added if judge, then there is no need to initiate group again and add flow process, this monitor terminal only monitors this group, performs the subsequent step described in the present embodiment without the need to continuing again; Not yet add this group if judge, then Stochastic choice one random value T from 0 ~ C, and continue to perform following steps.
Step 130, described monitor terminal postpones to initiate group according to described random value T to described network side and adds flow process.
Particularly, described monitor terminal first starts with T is the delay timer of duration; When described delay timer then after, described monitor terminal sends group to described network side and joins request, and adds flow process to initiate described group.
Method described in the present embodiment adds flow process by making monitor terminal postpone to initiate group according to selected random value T, the group of each monitor terminal is added be evenly distributed in time opportunity as far as possible, avoid the signaling storm produced when a large amount of monitor terminal adds group simultaneously, thus be conducive to ensureing normally carrying out of cluster communication service.
In addition, stand in the angle of network side, after described group is activated, it is the removing timer of duration that this network side can also start with T1; When described removing timer then after, detect in described current area the quantity of the monitor terminal of the described group that contracted; When described quantity is zero, described network side, by the deexcitation of described group, namely deletes corresponding group resource.Wherein, T1 > T, to ensure that monitor terminal has time enough to add group.By carrying out the dynamic deleting mechanism of this group's resource, being conducive to timely releasing idling-resource, promoting the Appropriate application of resource.
Below see Fig. 2, describe the process of transmitting of above-mentioned beep-page message in detail, as shown in the figure, comprised the steps: before step 110
Step 101, described network side detects in described current area the quantity of the monitor terminal of the described group that contracted.
Wherein, described current area refers to the community at described monitor terminal place; Described contracting refers to the user of monitor terminal when opening group service to the registration that the operating side of network side is carried out, to obtain the authority adding relevant groups.
Step 102, according to described quantity, described network side determines that described group adds periodic quantity C.
When the quantity of monitor terminal is more, just need more random value T available, therefore select larger C value; Correspondingly, when the quantity of monitor terminal is less, less C value can be selected.
Step 103, described group is added periodic quantity C and is carried in described beep-page message by described network side, and in described current area this beep-page message of broadcast transmission.
By making the monitor terminal in current area can receive this beep-page message to the broadcast transmission of beep-page message.
Below illustrate the signalling interactive process of the present embodiment, as shown in Figure 3, comprising:
1-0 base station in the cell broadcast transmission carries the SIB21 system message that group adds periodic quantity C;
1-1 speaker's terminal initiates group call;
1-2 core net sends group to corresponding base station and sets up request (PTTInitialContextSetupRequest);
1-3 base station is replied group to core net and is set up response (PTTInitialContextSetupResponse), and starts removing timer by core net;
1-4 base station is broadcasted group in the cell and is activated message (PTTPaging), to activate group;
1-5 monitor terminal is monitored the group activated;
1-6 monitor terminal judges whether self has added described group; If then skip step 1-7,1-8 and 1-9; Otherwise perform step 1-7;
1-7 monitor terminal is Stochastic choice one random value T from 0 ~ C, and starting with T is the delay timer of duration;
1-8 when delay timer then after, by monitor terminal through base station to core net send group join request (PTTGroupJoinRequest);
1-9 core net is replied group through base station to monitor terminal and is added acceptance (PTTGroupJoinAccept);
1-10 when described removing timer then after, detect in described current area the quantity of the monitor terminal of the described group that contracted, when described quantity is zero, performs following step 1-11, otherwise repeat this step;
1-11 core net instruction base station is by the deexcitation of described group.
Fig. 4 is the structural representation of trunked communication system embodiment of the present invention, with to implement the above described method, as shown in the figure, comprise monitor terminal 10 and network equipment 20, wherein, network equipment 20 can comprise base station, equipment of the core network etc., and the thick vertical line in figure represents bus connecting mode, adopt other connected modes also passable, repeat no more herein.The operation principle of this system is as follows:
To contract in the current area at monitoring module 21 Anti-Sniffer terminal 10 place in network equipment 20 quantity of monitor terminal of described group; Then the described quantity detected according to monitoring module 21 by determination module 22 determines that group adds periodic quantity C; After this, the described group determined by determination module 22 by broadcast module 23 adds periodic quantity C and is carried in beep-page message, and in described current area this beep-page message of broadcast transmission.Particularly, this beep-page message can add the system information block SIB21 system message of periodic quantity C for carrying described group.
Described monitor terminal 10 comes from the beep-page message of network side by detection module 11 detection and whether detection has group to activate in current area; Then from the described beep-page message that detection module 11 detects, obtain group by acquisition module 12 and add periodic quantity C; When detection module 11 has detected that group activates, monitor this group by monitoring module 13; After this, by selection module 14 Stochastic choice one random value T from 0 ~ C; And add flow process according to the described random value T selecting module 14 to select to described network side delay initiation group by initiation module 15.Particularly, this initiation module 15 can select that to start take T as the delay timer of duration; When described delay timer then after, then send group to described network equipment 20 and join request, add flow process to initiate described group.
Particularly, before selection module 14 selects described random value T, first can judge whether this monitor terminal 10 self has added described group by judge module 16, if not, then indicate described selection module 14 Stochastic choice one random value T from 0 ~ C.
In addition, after described group is activated, it is the removing timer of duration that described network equipment 20 can also be started by time block 24 with T1, wherein, T1 > T, when described removing timer then after, trigger monitoring module 21 and detect in described current area the quantity of the monitor terminal 10 of the described group that contracted; When the described quantity that monitoring module 21 detects is zero, deleted group's resource of described group by removing module 25, thus by this group's deexcitation.
The present embodiment adds flow process by making monitor terminal 10 postpone to initiate group according to selected random value T, the group of each monitor terminal is added be evenly distributed in time opportunity as far as possible, avoid the signaling storm produced when a large amount of monitor terminal adds group simultaneously, thus be conducive to ensureing normally carrying out of cluster communication service.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the Adding Way of monitor terminal in trunked communication system, is characterized in that, comprising:
When the monitor terminal being arranged in current area detects the beep-page message coming from network side, from this beep-page message, obtain group add periodic quantity C;
When described monitor terminal has detected that group activates, monitored this group, and from 0 ~ C Stochastic choice one random value T;
Described monitor terminal postpones to initiate group according to described random value T to described network side and adds flow process;
Described monitor terminal also comprises before the beep-page message coming from network side being detected:
Described network side detects in described current area the quantity of the monitor terminal of the described group that contracted;
Determine that described group adds periodic quantity C according to described quantity;
Described group is added periodic quantity C be carried in described beep-page message, and in described current area this beep-page message of broadcast transmission.
2. method according to claim 1, is characterized in that, the described group of described monitor terminal delay initiation adds flow process and comprises:
Described monitor terminal startup take T as the delay timer of duration;
When described delay timer then after, described monitor terminal sends group to described network side and joins request, and adds flow process to initiate described group.
3. method according to claim 1, is characterized in that, described beep-page message is carry the system information block SIB21 system message that described group adds periodic quantity C.
4. method according to claim 1, is characterized in that, describedly comprises before Stochastic choice one random value T from 0 ~ C: described monitor terminal judges whether self has added described group, if not, then and Stochastic choice one random value T from 0 ~ C.
5. method according to claim 1, is characterized in that, after described group is activated, the method also comprises:
Described network side startup take T1 as the removing timer of duration, wherein, and T1>T;
When described removing timer then after, detect in described current area the quantity of the monitor terminal of the described group that contracted;
When described quantity is zero, described network side is by the deexcitation of described group.
6. a monitor terminal, is characterized in that, comprising:
Detection module, for when described monitor terminal is arranged in current area, detect the beep-page message coming from network side, and whether detection has group to activate;
Acquisition module, adds periodic quantity C for obtaining group in the described beep-page message that detects from detection module; It is the quantity of described network side by the monitor terminal of the described group that contracted in the described current area of detection that described group adds periodic quantity C, determines according to the quantity of the monitor terminal of described group;
Monitor module, for when detection module has detected that group activates, monitor this group;
Select module, for when monitoring module and starting to monitor described group, Stochastic choice one random value T from 0 ~ C;
Initiation module, for adding flow process according to selecting the described random value T of model choice to postpone to initiate group to described network side.
7. monitor terminal according to claim 6, it is characterized in that, also comprise: judge module, for judging whether this monitor terminal self has added described group before random value T described in selection model choice, if not, then described selection module Stochastic choice one random value T from 0 ~ C is indicated.
8. comprise a trunked communication system for monitor terminal described in claim 6 or 7, it is characterized in that, also comprise network equipment, this network equipment comprises:
Monitoring module, for detect described monitor terminal place current area in have contracted the quantity of monitor terminal of described group;
For the described quantity detected according to monitoring module, determination module, determines that group adds periodic quantity C;
Broadcast module, the described group for being determined by determination module adds periodic quantity C and is carried in beep-page message, and in described current area this beep-page message of broadcast transmission.
9. system according to claim 8, is characterized in that, described beep-page message is carry the system information block SIB21 system message that described group adds periodic quantity C.
10. system according to claim 8, is characterized in that, described network equipment also comprises:
Time block, be the removing timer of duration for starting after described group is activated with T1, wherein, T1>T, when described removing timer then after, trigger monitoring module and detect in described current area the quantity of the monitor terminal of the described group that contracted;
Removing module, when the described quantity for detecting when monitoring module is zero, by the deexcitation of described group.
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| CN201210016757.0A CN103220631B (en) | 2012-01-18 | 2012-01-18 | Trunked communication system, monitor terminal and Adding Way thereof |
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| CN201210016757.0A CN103220631B (en) | 2012-01-18 | 2012-01-18 | Trunked communication system, monitor terminal and Adding Way thereof |
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| CN103220631B true CN103220631B (en) | 2016-03-02 |
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| CN110475212B (en) * | 2018-05-10 | 2022-02-15 | 成都鼎桥通信技术有限公司 | Method and device for selecting receiving group |
| CN111586734B (en) * | 2019-02-15 | 2023-03-31 | 成都鼎桥通信技术有限公司 | Meticulous monitoring method and meticulous monitoring system for group in LTE broadband cluster |
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| CN1780694A (en) * | 2003-03-14 | 2006-05-31 | 高通股份有限公司 | Method and apparatus for exchanging an attachment in a group communication network. |
| CN101554068A (en) * | 2006-12-01 | 2009-10-07 | 艾利森电话股份有限公司 | Uplink access management |
| CN101978653A (en) * | 2008-04-04 | 2011-02-16 | 爱立信电话股份有限公司 | Method and arrangement for the power management of a digital communication line |
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