CN101547524A - Cluster mobile station and group call releasing method thereof - Google Patents
Cluster mobile station and group call releasing method thereof Download PDFInfo
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- CN101547524A CN101547524A CN200810087702A CN200810087702A CN101547524A CN 101547524 A CN101547524 A CN 101547524A CN 200810087702 A CN200810087702 A CN 200810087702A CN 200810087702 A CN200810087702 A CN 200810087702A CN 101547524 A CN101547524 A CN 101547524A
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- group
- mobile station
- cluster mobile
- calling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/186—Processing of subscriber group data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
Abstract
The invention provides a cluster mobile station and a group call releasing method thereof. The method comprises the following steps that: a cluster mobile station receives a release signaling for releasing a group call service that the cluster mobile station currently carries out from a system side; the cluster mobile station releases the group call service; and the cluster mobile station returns to an idle state. In one aspect, the invention also provides the cluster mobile station, which comprises a receiving module for receiving the release signaling for releasing the group call service that the cluster mobile station currently carries out from the system side, a release module for releasing the group call service, and a returning module for returning the cluster mobile station to the idle state. The method realizes the group call release function in a cluster call.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of cluster mobile station and group call releasing method thereof.
Background technology
Digital clustering communication system is an important branch of mobile communication system, is a kind of mobile communication system that is applied to group's dispatch control communication.Be mainly used in professional moving communicating field, as government department, army, police service, all trades and professions such as railway, water conservancy, civil aviaton and steel logistics.
Fig. 1 shows a kind of digital clustering communication system network configuration of routine, mainly comprises cluster mobile station 1, base station sub-system 2, and scheduler subsystem 3, wherein:
Cluster mobile station 1 possesses the mobile station equipment of group service function, is the mutual capital equipment of cluster network and user;
Base station sub-system 2 possesses the base station system of group service function, finishes the access function of travelling carriage, is the capital equipment that connects travelling carriage and scheduler subsystem;
Scheduler subsystem 3 is finished control and management function to mobile station cluster service in the service area, is the control centre of group service.
Wherein base station sub-system 2 and scheduler subsystem 3 can be collectively referred to as system side.
Trunked call can be described as group calling again, and individual calling can be considered a kind of group calling of having only two members.
In realizing process of the present invention, the inventor finds in existing digital clustering communication system, when the group membership when group-calling process no longer needs to keep this calling, lack the implementation method that travelling carriage withdraws from group calling.
Summary of the invention
The present invention aims to provide a kind of cluster mobile station and group call releasing method thereof, can solve when the group membership when group-calling process no longer needs to keep this to call out, lack the problem that travelling carriage withdraws from the implementation method of group calling.
According to an aspect of the present invention, provide a kind of group call releasing method that is used for cluster mobile station, comprise the steps: cluster mobile station receive from system side about discharging the release signaling of the group-calling service that cluster mobile station just carrying out; Cluster mobile station discharges group-calling service; And cluster mobile station returns Idle state.
Preferably, cluster mobile station receive from system side about the release signaling that discharges the group-calling service that cluster mobile station just carrying out before comprise the steps: also that the request of cluster mobile station structure withdraws from group-calling service withdraw from the group calling instruction; Cluster mobile station sends to system side and withdraws from the group calling instruction; The system lateral cluster mobile station is responded release command.
Preferably, cluster mobile station receive from system side about the release signaling that discharges the group-calling service that cluster mobile station just carrying out before comprise the steps: also that the request of cluster mobile station structure withdraws from group-calling service withdraw from the group calling instruction; Cluster mobile station sends to system side and withdraws from the group calling instruction; The system lateral cluster mobile station is responded the refusal order of carrying the Reason For Denial value; Cluster mobile station shows refusal information according to the Reason For Denial value, and finishes about discharging the operation of group-calling service.
Preferably, before the release signaling of cluster mobile station reception, also comprise the steps: the terminating group instruction of cluster mobile station structure request terminating group business from the group-calling service that is just carrying out about the release cluster mobile station of system side; Cluster mobile station sends the terminating group instruction to system side; The system lateral cluster mobile station is responded release command; And after cluster mobile station discharges group-calling service, and the terminating group business, make other cluster mobile stations that participate in group-calling service also discharge group-calling service.
Preferably, before the release signaling of cluster mobile station reception, also comprise the steps: the terminating group instruction of cluster mobile station structure request terminating group business from the group-calling service that is just carrying out about the release cluster mobile station of system side; Cluster mobile station sends the terminating group instruction to system side; The system lateral cluster mobile station is responded the refusal order of carrying the Reason For Denial value; Cluster mobile station shows refusal information according to the Reason For Denial value, and finishes about discharging the operation of group-calling service.
Preferably, also comprised before the release signaling of cluster mobile station reception from the group-calling service that is just carrying out about the release cluster mobile station of system side: the system side structure requires cluster mobile station to withdraw from withdrawing from the group calling instruction or requiring the terminating group of cluster mobile station terminating group business to instruct as release signaling of group-calling service.
Preferably, comprise the steps: that also cluster mobile station is provided with timer; If cluster mobile station is not received release command after sending and withdrawing from the group calling instruction in the timer official hour, then retransmit and withdraw from the group calling instruction.
Preferably, timer is set to 5s.
Preferably, cluster mobile station discharges group-calling service and specifically comprises following at least one operation: cluster mobile station writes down the group information of group-calling service, and the symbol that withdraws from of " can not passively insert " is set; If release signaling carries the preemption prior information, then the cluster mobile station record preempts the group information of the preferential group of preemption of prior information indication, to guarantee the accurate preferential group of preemption that inserts next time.
According to a further aspect in the invention, also provide a kind of cluster mobile station, having comprised: receiver module, be used to receive from system side about discharging the release signaling of the group-calling service that cluster mobile station just carrying out; Release module is used to discharge group-calling service; And return module, be used for cluster mobile station is returned Idle state.
Cluster mobile station of the above embodiment of the present invention and group call releasing method thereof are because receive from the release signaling of base station sub-system and discharge group-calling service by cluster mobile station, so can solve when the group membership when group-calling process no longer needs to keep this to call out, lack the problem that a kind of travelling carriage withdraws from the implementation method of group calling, and then the perfect group calling release function of trunked call.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of digital clustering communication system network configuration of routine;
Fig. 2 shows the flow chart according to the group call releasing method that is used for cluster mobile station of the embodiment of the invention;
Fig. 3 shows the flow chart that initiatively withdraws from the group call releasing method that is used for cluster mobile station of group calling according to the travelling carriage of the embodiment of the invention;
Fig. 4 shows the flow chart according to the group call releasing method that is used for cluster mobile station of the travelling carriage active terminating group of the embodiment of the invention;
Fig. 5 shows travelling carriage according to the embodiment of the invention by the flow chart of the group call releasing method that is used for cluster mobile station of system's compulsory withdrawal group calling;
The Mobile Originated PTT that Fig. 6 shows according to the embodiment of the invention discharges flow chart;
Fig. 7 shows the PTT that initiates according to the scheduler subsystem of the embodiment of the invention and discharges flow process;
Fig. 8 shows the block diagram according to the cluster mobile station of the embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 2 shows the group call releasing method that is used for cluster mobile station according to the embodiment of the invention, comprises the steps:
Step S10, cluster mobile station receive from system side about discharging the release signaling of the group-calling service that cluster mobile station just carrying out;
Step S20, cluster mobile station discharges group-calling service; And
Step S30, cluster mobile station returns Idle state.
The group call releasing method that is used for cluster mobile station that the embodiment of the invention provides is because receive from the release signaling of base station sub-system and discharge the method for group-calling service by cluster mobile station, so can solve when the group membership when group-calling process no longer needs to keep this to call out, lack the problem that a kind of travelling carriage withdraws from the implementation method of group calling, and then realized the group calling release function of trunked call.
What preferably, comprised the steps: also before step S10 that cluster mobile station structure request withdraws from group-calling service withdraws from the group calling instruction; Cluster mobile station sends to system side and withdraws from the group calling instruction; The system lateral cluster mobile station is responded release command.
What preferably, comprised the steps: also before step S10 that cluster mobile station structure request withdraws from group-calling service withdraws from the group calling instruction; Cluster mobile station sends to system side and withdraws from the group calling instruction; The system lateral cluster mobile station is responded the refusal order of carrying the Reason For Denial value; Cluster mobile station shows refusal information according to the Reason For Denial value, and finishes about discharging the operation of group-calling service.
The Mobile Originated PTT that Fig. 6 shows according to the embodiment of the invention discharges flow chart.Preferably, the embodiment of Fig. 2 also comprises the step of Fig. 6: by cluster mobile station (MS, Moble Station) to base station sub-system (BSS, what Base Station Subsystem) send that request withdraws from group-calling service withdraws from group calling instruction SDB (short data durst, short data burst messages) (PTT Terminate) 602; Base station sub-system (BSS) will withdraw from group calling instruction (PTT Terminate) 604 and be transmitted to scheduler subsystem (PDS, PTT DispatchServer, PTT scheduler subsystem); Scheduler subsystem (PDS) is responded release command (Release Order) 606 to base station sub-system (BSS); Base station sub-system (BSS) is transmitted to cluster mobile station (MS) with release command SDB (Release Order) 608.
Cluster mobile station with authority can be according to IS2000 protocol construction SDB message, and the content difference of the DATABLOCK of SDB message (data volume) wherein specifically describes as follows:
Group system defines proprietary message by the DATABLOCK that uses SDB, and its message format adopts the TLV structure, and is as shown in table 1:
Table 1, SDB message format structural table
| MSG_TYPE (type of message) | Length (length of message text) | MSG_TXT (message text) |
| 8bits | 8bits | (8*Length)bits |
In the table 1:
MSG_TYPE: being used to distinguish type of message, taking 8 Bits, is the message header of SDB message, and in the present embodiment, MSG_TYPE is 0x0C;
Length: the length of expression Msg_txt is unit with byte (8 bits), and its length is subjected to the restriction of maximum length of the short message of access channel and paging channel, and the trunking signal length of Traffic Channel is unrestricted, and Length takies 8 Bit in the present embodiment;
MSG_TXT: message text, it comprises each information as shown in table 2.
Table 2, the information list that message text is included
| Value | Explanation |
| 00000000 | Withdraw from this group calling |
| 00000001 | Discharge this group calling |
| 00000010 | The key verification mistake withdraws from this group calling |
| 00000011 | The key verification mistake discharges this group calling |
| 00000100 11111111 | Reserved |
The PTT terminal can be decoded according to the regulation of IS2000 to Release Order message.
When travelling carriage initiatively withdrawed from group calling, travelling carriage sent to system and withdraws from the group calling signaling, withdrawed from after the system that obtains allows, and from then on no longer added this group calls in several, finished and restarted new calling up to this group calls in several.This moment, only the travelling carriage individuality no longer participated in group-calling service, but other group memberships will continue to keep group calling state (secret is exhaled and do not had this function).Do not allow if travelling carriage obtains system, travelling carriage cannot withdraw from group calling.
Fig. 3 shows the flow chart that initiatively withdraws from the group call releasing method that is used for cluster mobile station of group calling according to the travelling carriage of the embodiment of the invention, may further comprise the steps:
Step S302, group calling is withdrawed from user's decision, and presses and withdraw from the group calling acknowledgement key;
Step S304, travelling carriage will put sub-state timer T
PTTEXIT
Step S306, travelling carriage send and withdraw from the group calling instruction, and waiting system is replied;
Step S308, if travelling carriage in the waiting system Recovery Process, timer expiry is then retransmitted this signaling;
Step S310, if travelling carriage is received the base station rejection signaling, then travelling carriage shows corresponding information, and process ends;
Step S312, if receive the agreement release signaling, then travelling carriage is carried out releasing operation, writes down the calling sequence number of this this calling of group, and the symbol that withdraws from of " can not passively insert " is set;
Step S314, travelling carriage returns Idle state.
Preferably, comprise the steps: that also cluster mobile station is provided with timer; If cluster mobile station is not received release command after sending and withdrawing from the group calling instruction in the timer official hour, then retransmit and withdraw from the group calling instruction.
Preferably, timer T
PTTEXITBe set to 5s.
The above preferred embodiment timer is set to 5s and verifies the optimal values that is obtained repeatedly through the test of repeatedly response time of system side being estimated, can in the only time, remind cluster mobile station whether to retransmit signaling, improve the efficient that the cluster mobile station group calling discharges effectively.
Above preferred embodiment provides the implementation method of being initiated to withdraw from group-calling service by cluster mobile station.
Preferably, before step S10, also comprise the steps: the terminating group instruction of cluster mobile station structure request terminating group business; Cluster mobile station sends the terminating group instruction to system side; The system lateral cluster mobile station is responded release command; And after cluster mobile station discharges group-calling service, and the terminating group business, make other cluster mobile stations that participate in group-calling service also discharge group-calling service.
Preferably, before step S10, also comprise the steps: the terminating group instruction of cluster mobile station structure request terminating group business; Cluster mobile station sends the terminating group instruction to system side; The system lateral cluster mobile station is responded the refusal order of carrying the Reason For Denial value; Cluster mobile station shows refusal information according to the Reason For Denial value, and finishes about discharging the operation of group-calling service.
Travelling carriage is the terminating group signaling initiatively, withdraws from after the system that obtains allows.This moment, this group-calling service of this group was moved to end, and all group memberships will all withdraw from the group calling state.Do not allow if travelling carriage obtains system, travelling carriage cannot withdraw from group calling.As shown in Figure 4, Fig. 4 shows the flow chart according to the group call releasing method that is used for cluster mobile station of the travelling carriage active terminating group of the embodiment of the invention, may further comprise the steps:
Step S402, the user determines terminating group, and presses and withdraw from the group calling acknowledgement key;
Step S404, travelling carriage will put sub-state timer T
PTTEXIT
Step S406, travelling carriage sends the terminating group signaling, and waiting system is replied;
Step S408, if travelling carriage in the waiting system Recovery Process, timer expiry is then retransmitted this signaling;
Step S410, if travelling carriage is received the base station rejection signaling, then travelling carriage shows corresponding information, and process ends;
Step S412, if receive the agreement release signaling, then travelling carriage is carried out releasing operation;
Step S414, travelling carriage returns Idle state.
Preferably, timer T
PTTEXITBe set to 5s.
The above preferred embodiment timer is set to 5s and verifies the optimal values that is obtained repeatedly through the test of repeatedly response time of system side being estimated, can in the only time, remind cluster mobile station whether to retransmit signaling, improve the efficient that the cluster mobile station group calling discharges effectively.
Above preferred embodiment provides the implementation method of being initiated the terminating group business by cluster mobile station.
Preferably, also comprised before step S10: the system side structure requires cluster mobile station to withdraw from withdrawing from the group calling instruction or requiring the terminating group of cluster mobile station terminating group business to instruct as release signaling of group-calling service.The preferred embodiment is to initiate call release by system side.
Fig. 7 shows the PTT that initiates according to the scheduler subsystem of the embodiment of the invention and discharges flow process.Preferably, embodiment shown in Figure 2 also comprises the step of Fig. 7: scheduler subsystem (PDS) sends (the Release Order) 702 that release order to base station sub-system (BSS); Base station sub-system (BSS) SDB (Release Order) 704 that will release order is transmitted to cluster mobile station (MS); Cluster mobile station (MS) is replied instruction SDB (Release Order Acknowledge) 706 to base station sub-system (BSS); Base station sub-system (BSS) will be replied instruction (Release Order Acknowledge) 708 and will be transmitted to scheduler subsystem.Preferably, comprise the steps: that also cluster mobile station is provided with timer; If cluster mobile station is not received release command after sending and withdrawing from the group calling instruction in the timer official hour, then retransmit and withdraw from the group calling instruction.
Preferably, cluster mobile station discharges group-calling service and specifically comprises: cluster mobile station writes down the sequence number of group-calling service, and the symbol that withdraws from of " can not passively insert " is set.
Above preferred embodiment provides cluster mobile station by the implementation method of system's compulsory withdrawal group-calling service.
Travelling carriage is passive to withdraw from group calling, and travelling carriage sends to discharge replys signaling, and withdraws from group calling.This operation does not influence this group-calling service.Fig. 5 shows travelling carriage according to the embodiment of the invention by the flow chart of the group call releasing method that is used for cluster mobile station of system's compulsory withdrawal group calling, may further comprise the steps:
Step S502, travelling carriage receive that the base station requires release signaling;
Step S504, travelling carriage reply to discharge and reply signaling;
Step S506, travelling carriage is carried out releasing operation, writes down the calling sequence number of this this calling of group, and the symbol that withdraws from of " can not passively insert " is set;
Step S508, travelling carriage returns Idle state.
Preferably, cluster mobile station discharges group-calling service and specifically comprises following at least one operation: cluster mobile station writes down the group information of group-calling service, and the symbol that withdraws from of " can not passively insert " is set; If release signaling carries the preemption prior information, then the cluster mobile station record preempts the group information of the preferential group of preemption of prior information indication, to guarantee the accurate preferential group of preemption that inserts next time.
Fig. 8 shows the block diagram according to the cluster mobile station of the embodiment of the invention, comprising:
Cluster mobile station that the embodiment of the invention provides and group call releasing method thereof are because receive from the release signaling of base station sub-system and discharge group-calling service by cluster mobile station, so can solve when the group membership when group-calling process no longer needs to keep this to call out, lack the problem that a kind of travelling carriage withdraws from the implementation method of group calling, and then the perfect group calling release function of trunked call.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a group call releasing method that is used for cluster mobile station is characterized in that, comprises the steps:
Cluster mobile station receive from system side about discharging the release signaling of the group-calling service that described cluster mobile station just carrying out;
Described cluster mobile station discharges described group-calling service; And
Described cluster mobile station returns Idle state.
2. group call releasing method according to claim 1 is characterized in that, cluster mobile station receive from system side about the release signaling that discharges the group-calling service that described cluster mobile station just carrying out before also comprise the steps:
The request of described cluster mobile station structure is withdrawed from the group calling of withdrawing from of described group-calling service and is instructed;
Described cluster mobile station sends the described group calling instruction of withdrawing to described system side;
The described cluster mobile station of described system lateral is responded described release command.
3. group call releasing method according to claim 1 is characterized in that, cluster mobile station receive from system side about the release signaling that discharges the group-calling service that described cluster mobile station just carrying out before also comprise the steps:
The request of described cluster mobile station structure is withdrawed from the group calling of withdrawing from of described group-calling service and is instructed;
Described cluster mobile station sends the described group calling instruction of withdrawing to described system side;
The described cluster mobile station of described system lateral is responded the refusal order of carrying the Reason For Denial value;
Described cluster mobile station shows refusal information according to described Reason For Denial value, and finishes about discharging the operation of described group-calling service.
4. group call releasing method according to claim 1 is characterized in that, cluster mobile station receive from system side about the release signaling that discharges the group-calling service that described cluster mobile station just carrying out before also comprise the steps:
The terminating group instruction of the described group-calling service of described cluster mobile station structure request the end;
Described cluster mobile station sends described terminating group instruction to described system side;
The described cluster mobile station of described system lateral is responded described release command; And
After described cluster mobile station discharges described group-calling service, and finish described group-calling service, make other cluster mobile stations that participate in described group-calling service also discharge described group-calling service.
5. group call releasing method according to claim 1 is characterized in that, cluster mobile station receive from system side about the release signaling that discharges the group-calling service that described cluster mobile station just carrying out before also comprise the steps:
The terminating group instruction of the described group-calling service of described cluster mobile station structure request the end;
Described cluster mobile station sends described terminating group instruction to described system side;
The described cluster mobile station of described system lateral is responded the refusal order of carrying the Reason For Denial value;
Described cluster mobile station shows refusal information according to described Reason For Denial value, and finishes about discharging the operation of described group-calling service.
6. group call releasing method according to claim 1 is characterized in that, cluster mobile station receive from system side about the release signaling that discharges the group-calling service that described cluster mobile station just carrying out before also comprise:
Described system side structure requires described cluster mobile station to withdraw from withdrawing from the group calling instruction or requiring described cluster mobile station to finish the terminating group instruction of described group-calling service as described release signaling of described group-calling service.
7. according to each described group call releasing method in the claim 2,3,4,5, it is characterized in that, also comprise the steps:
Described cluster mobile station is provided with timer;
If described cluster mobile station sends the described group calling instruction back of withdrawing from and do not receive described release command in described timer official hour, then retransmit the described group calling instruction of withdrawing from.
8. group call releasing method according to claim 7 is characterized in that described timer is set to 5s.
9. according to each described group call releasing method in the claim 2,3,6, it is characterized in that described cluster mobile station discharges described group-calling service and specifically comprises following at least one operation:
Described cluster mobile station writes down the group information of described group-calling service, and the symbol that withdraws from of " can not passively insert " is set;
If described release signaling carries the preemption prior information, then described cluster mobile station writes down the group information of the preferential group of preemption of described preemption prior information indication, to guarantee that accurately inserting described preemption next time preferentially organizes.
10. a cluster mobile station is characterized in that, comprising:
Receiver module, be used to receive from system side about discharging the release signaling of the group-calling service that described cluster mobile station just carrying out;
Release module is used to discharge described group-calling service; And
Return module, be used for described cluster mobile station is returned Idle state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810087702A CN101547524A (en) | 2008-03-24 | 2008-03-24 | Cluster mobile station and group call releasing method thereof |
| PCT/CN2008/073382 WO2009117887A1 (en) | 2008-03-24 | 2008-12-08 | A cluster mobile station and a method for releasing it from a group call |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810087702A CN101547524A (en) | 2008-03-24 | 2008-03-24 | Cluster mobile station and group call releasing method thereof |
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| CN101547524A true CN101547524A (en) | 2009-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810087702A Pending CN101547524A (en) | 2008-03-24 | 2008-03-24 | Cluster mobile station and group call releasing method thereof |
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| CN (1) | CN101547524A (en) |
| WO (1) | WO2009117887A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480690A (en) * | 2010-11-25 | 2012-05-30 | 普天信息技术研究院有限公司 | Group calling releasing method in group system |
| WO2013000212A1 (en) * | 2011-06-27 | 2013-01-03 | 中兴通讯股份有限公司 | Method for accessing trunking service by terminal, terminal and base station |
| CN105307128A (en) * | 2014-07-17 | 2016-02-03 | 普天信息技术有限公司 | Method for transferring group call release authority of cluster user |
| CN105848111A (en) * | 2015-01-15 | 2016-08-10 | 北京信威通信技术股份有限公司 | Processing method for initiating call release or quit by trunking terminal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5878349A (en) * | 1996-07-16 | 1999-03-02 | Telefonaktiebolaget L M Ericsson | Call set-up on 800 MHz analog voice channel from 1900 MHZ digital control channel |
| CN100334899C (en) * | 2004-06-04 | 2007-08-29 | 中兴通讯股份有限公司 | Controlling method for digital cluster system calling process |
| WO2007138046A1 (en) * | 2006-05-30 | 2007-12-06 | Nokia Siemens Networks Gmbh & Co. Kg | Radio resource management method and central controller in mobile radio communication system |
| CN101141705B (en) * | 2006-09-05 | 2010-12-01 | 中兴通讯股份有限公司 | Method for cluster terminal to exit group calling actively |
| CN101141706A (en) * | 2006-09-05 | 2008-03-12 | 中兴通讯股份有限公司 | Cluster communication system of cluster terminal active exit group calling |
-
2008
- 2008-03-24 CN CN200810087702A patent/CN101547524A/en active Pending
- 2008-12-08 WO PCT/CN2008/073382 patent/WO2009117887A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480690A (en) * | 2010-11-25 | 2012-05-30 | 普天信息技术研究院有限公司 | Group calling releasing method in group system |
| WO2013000212A1 (en) * | 2011-06-27 | 2013-01-03 | 中兴通讯股份有限公司 | Method for accessing trunking service by terminal, terminal and base station |
| CN105307128A (en) * | 2014-07-17 | 2016-02-03 | 普天信息技术有限公司 | Method for transferring group call release authority of cluster user |
| CN105307128B (en) * | 2014-07-17 | 2019-02-15 | 普天信息技术有限公司 | A kind of method that cluster user group exhales release permission transfer |
| CN105848111A (en) * | 2015-01-15 | 2016-08-10 | 北京信威通信技术股份有限公司 | Processing method for initiating call release or quit by trunking terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009117887A1 (en) | 2009-10-01 |
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Application publication date: 20090930 |