CN1867117A - Method for initiating group-calling in digital trunking communication system - Google Patents
Method for initiating group-calling in digital trunking communication system Download PDFInfo
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- CN1867117A CN1867117A CN 200610032755 CN200610032755A CN1867117A CN 1867117 A CN1867117 A CN 1867117A CN 200610032755 CN200610032755 CN 200610032755 CN 200610032755 A CN200610032755 A CN 200610032755A CN 1867117 A CN1867117 A CN 1867117A
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Abstract
The invention relates to a method for initializing group calling in the digital colony communication system. Wherein, said method comprises: the mobile exchange center receives the group calling initialize request, and according to the combine group mark in the request, obtains the group character information of each user group in the combined group; the mobile exchange center, according to the user group calling character information, fixes the group calling section; the mobile exchange center builds group calling channel in said section, and informs the user of combined group that about the group calling initialization, and loads the same wireless channel description in the inform broadcast message of the same section. The invention can combine several users into one group, while each member can share the wireless channel resource in one section, to reduce the system resource occupancy, to be used in the temporary distribution between different groups and build a large group in interaction.
Description
Technical field
The present invention relates to the method for calling in the digital clustering communication system, relate in particular to a kind of method that in digital clustering communication system, a plurality of user's combinations group is also made a call.
Background technology
Digital clustering communication system is the trunked communication system of a new generation, plurality of advantages such as have availability of frequency spectrum height, the anti-channel fading ability of signal is strong, security reliability is high, business is abundant and network management control is flexibly effective is applicable to construction public network/private network digital colony network.
The basic service that digital clustering communication system provides is voice group call service (Voice Group CallService is called for short VGCS).VGCS permission user is established to the one group of user's who belongs to a certain given service area and group ID calling, the professional employing semiduplex mode that provides, during calling out the group in any member can become the speaker, but arbitrary moment only allow a speaker, other members are the hearer.Given service area is called group call region, comprises the cluster sub-district, and these sub-districts can belong to same mobile switching centre (Mobile Service Center is called for short MSC), also can belong to different MS C.Behind the VGCS call setup, there is a group-calling channel each residential quarter in the corresponding group call region, and wherein up-link is only used for current talker, that is to say that current talker is the group calling emission mode, all hearers monitor on downlink, that is to say that all listeners are the group calling receiving mode.Because the interior user of all groups shares a down channel, seizes up channel in the same residential quarter, has therefore greatly saved Radio Resource, has improved spectrum utilization efficiency.Because each user clicked earlier function button to seize up channel before speech, behind the acquisition up channel, can talk, so this business is also referred to as one by namely saying Push to Talk, abbreviation PTT).
The another one basic service that digital clustering communication system provides is Voice Broadcast Service (VoiceBroadcast Service is called for short VBS).During the professional difference with the VGCS business of VBS is that VBS calls out, only have call initiator to talk, other user can only be as listening the side.If the initiator withdraws from calling, then VBS just calls out and stops.
Existing cluster communication service can only be realized the unique user group is initiated group calling, and can't realize a plurality of user's groups are initiated group calling simultaneously, temporary scheduling when needing the commander of system between not being suitable for not on the same group, the Rapid Establishment of the large-scale consumer group when also not being suitable for emergency cooperative in emergency circumstances.
Summary of the invention
The objective of the invention is at the existing in prior technology defective, a kind of method of initiating group calling in digital clustering communication system is provided, this method can be easily merges to user's group of a plurality of existence in the group, by common dial mode, just can initiate to be combined the calling of group, thereby realization when being organized, a plurality of users is called out.
To achieve these goals, the invention provides a kind of method of initiating group calling in digital clustering communication system, this method is carried out following steps:
In technique scheme, the method for obtaining the group calling attribute information of each user's group in the merging group described in the step 1 can comprise:
Wherein, the group calling attribute information of merging group comprises subscriber group information, and user's group calling attribute information comprises that at least the user organizes the cell list of group call region.
Described step 2 can be extracted for: mobile switching centre the group call region cell list of user's group from the group calling attribute information of each user's group, the union of the group call region of each user's group is set to the group call region of merging group.
Described step 3 can comprise:
Merging group group call reference information and user that step 34, base station sub-system are set up in the request according to this group-calling channel organize the group call reference tabulation, are the cell allocation wireless channel of merging group group call region;
Step 35, base station sub-system are organized the group call reference tabulation according to merging group group call reference information and user, and the notification message of broadcasting user group carries identical wireless channel descriptor at the described notification message of same Cell Broadcast CB.
Wherein, the mode of the broadcasting in the described step 35 is with a predefined cycle repeated broadcast.
After described step 3, user's listen for user group notification message of each user group, and adjust to corresponding channel according to the wireless channel descriptor in the notification message and join in the group calling.
Before described step 1, turnkey console creates the merging group that comprises a plurality of user's groups, and notifies mobile switching centre with the establishment information of merging group, and this method is specially: turnkey console is merged into a merging group with a plurality of users' groups, and is that this merges component combo sign; Turnkey console merges the request of building of forming to mobile switching centre's transmission of its management; Mobile switching centre preserves this merging and forms merging group group sign and merging group group calling attribute information in the request of building, and returns to merge to form to turnkey console and build response.Wherein, described mobile switching centre preserve this merging form merging group group sign in the request of building and merging group group calling attribute information step can for; Mobile switching centre sends to the Group Call Register that is connected with this mobile switching centre with merging group group sign and merging group group calling attribute information; This Group Call Register is saved in merging group group sign and merging group group calling attribute information in the Group Call Register database.
The present invention has realized easily user's group of a plurality of existence is merged in the group, do not need the data of merging group are write in the user terminal card, only need by common dial mode, just can initiate to be combined the calling of group, thereby call out when realizing a plurality of user's group; Member sharing wireless channel resource and A interface circuit in same residential quarter of each user's group in the merging group, thus taking system resource can effectively be reduced; Temporary scheduling when needing collaborative commander between combination and function are suitable for not on the same group, and big group of Rapid Establishment during emergency cooperative in emergency circumstances.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is method flow diagram of initiating group calling in digital clustering communication system of the present invention.
Fig. 2 is the method flow diagram that obtains user's group calling attribute information of initiating the method for group calling in digital clustering communication system of the present invention.
Fig. 3 is the method flow diagram of setting up group-calling channel of initiating the method for group calling in digital clustering communication system of the present invention.
Fig. 4 is the method one specific embodiment flow chart of the foundation merging group of the method for initiating group calling in digital clustering communication system of the present invention.
Embodiment
The method of setting up group calling in digital clustering communication system of the present invention is to consist of the merging group and realize calling out in a plurality of users' groups by setting up user's group by a plurality of existence, and when distributing wireless channel, a residential quarter is only for merging channel of set of dispense, when a plurality of users in the merging group is arranged in the residential quarter organize, carry identical wireless channel descriptor in the notification message of these a plurality of user's groups, thereby it enjoyed radio channel resource after these a plurality of user's groups joined group calling.User's group among the present invention can be voice group call service user group, also can be voice broadcast service user group.
As described in Figure 1, for method flow diagram of in digital clustering communication system, initiating group calling of the present invention, comprise the steps:
The group calling request of setting up can be the form of " special prefix+merging group group sign ", after MSC receives this request, according to special prefix judge this be initiate to merge group calling, from called number, obtain then merging group group sign, to the group calling attribute information of Group Call Register (Group Call Register is called for short GCR) acquisition request merging group, as shown in Figure 2, for obtaining the method flow diagram of each user's group calling attribute information in the merging group, comprise the steps:
The group calling attribute information of merging group comprises subscriber group information, and GCR obtains the group calling attribute information of each user's group according to this subscriber group information from the GCR database, and the group calling attribute information of user's group comprises the group call region cell list that the user organizes.
Comprised the cell list that the user organizes group call region in the group calling attribute information of user group, and the group call region of merging group should comprise the group call region of all user's groups, therefore, the union that each user organizes group call region is set to merging group group call region, and all users that this zone has comprised in the merging group organize the group call region sub-district.
MSC organizes group call region according to merging, need to determine the base station sub-system (Base StationSubsystem is called for short BSS) of connection, and each BSS that is connected with needs sets up and calls out control connection, sends group-calling channel foundation request to each BSS then.After BSS receives the group-calling channel request of setting up, be the cell allocation channel of the merging group group call region of its covering, and broadcast announcement message.As shown in Figure 3, for setting up the method flow diagram of group-calling channel, comprise the steps:
MSC organizes group call region according to merging, need to determine the BSS of connection, and according to the difference of merging group group call region, it may be one or more needing the relevant BSS that connects.The calling control connection is set up and is comprised merging group group call reference information in the information, and this merging group group call reference information comprises: merging group group sign, merging group precedence information, merging group encryption mode information and merging set type information.
Group-calling channel is set up and is comprised in the request that merging group group call reference information and user organize the group call reference tabulation, wherein, the user organizes group call reference tabulation and comprises: user's group group sign, user organize precedence information, user's group encryption mode information and user's set type information.
Merging group group call reference information and user that step 34, BSS set up in the request according to this group-calling channel organize the group call reference tabulation, are the cell allocation wireless channel of merging group group call region;
Each BSS may cover the one or more residential quarters in the merging group group call region, thereby each BSS will be used for for each merging group group call region cell allocation of its covering the wireless channel of merging group group calling.In allocated channel, to consider each user's group type information at least, for example, be VGCS user's group or VBS user's group, and behind call setup, carry out the transmission of data according to information such as precedence information, cipher mode information.
After group-calling channel is set up, be by the notification channel of residential quarter, the user who organizes to the user sends a notification message, and notifies the user to have group calling to initiate, and notifies the descriptor of user's group-calling channel.BSS organizes the group call reference tabulation according to merging group group call reference information and user, and the notification message of broadcasting user group carries identical wireless channel descriptor at the described notification message of same Cell Broadcast CB, and notification message is with certain cycle repeated broadcast.
In the residential quarter of each merging group group call region, may there be one or more user's groups that belong to the merging group, BSS is in each merging group group call region residential quarter of its covering, during notification channel broadcast announcement message by this residential quarter, to organize broadcast announcement message for the user that each that is positioned at this residential quarter belongs to the merging group, the user who broadcasts in same residential quarter organizes and is carrying identical wireless channel descriptor in the notification message, namely is the wireless channel descriptor that is used for group calling that merges set of dispense in the residential quarter.After the user of each user's group listens to the notification message of user's group, according to the wireless channel descriptor in the notification message, adjust to identical channel, thereby can join in the same group calling.Member sharing wireless channel resource and A interface circuit in same residential quarter of each user's group can effectively reduce taking system resource in the merging group.
The merging group can create by several different methods, can mainly comprise two steps: at first, the turnkey console of Digital Clustering management system creates the merging group that comprises a plurality of user's groups; Then, notify the MSC of its management with the establishment information of this merging group, make MSC can when initiating the group calling of merging group, be combined the group calling attribute information that the merging group was identified and can be obtained to group.As shown in Figure 4, the method one specific embodiment flow chart for setting up the merging group may further comprise the steps:
Steps A, turnkey console are merged into a merging group with a plurality of user's groups, and are merged the set of dispense group id for this;
The keeper lands turnkey console and need to select a plurality of users that merge to organize, and turnkey console should a plurality of users' groups be merged into a merging group according to keeper's selection, and merged group sign of set of dispense for this.After turnkey console is set up the merging group,, can be combined the group calling attribute information that the merging group was discerned and can be obtained to group, therefore also the establishment information of merging group will be notified the MSC of its management in order to make MSC when receiving merging group group calling initiation request.Notice MSC merging is formed the information of building and can be realized by following steps.
Step B, turnkey console merge the request of building of forming to the MSC transmission of its management;
Comprise merging group group id and merging group group calling attribute information in this merging group creation request.
Step C, MSC receive merge form the request of building after, preserve merging group group sign and merging group group calling attribute information;
MSC can send to coupled GCR with merging group group sign and merging group group calling attribute information when preserving described merging group group sign and merging group group calling attribute information; Then, by GCR merging group group sign and merging group group calling attribute information are saved in the GCR database.
Step D, MSC return to merge to form to turnkey console and build response, and the notice turnkey console successfully receives the establishment information of merging group.
The present invention has realized easily user's group of a plurality of existence is merged in the group, do not need the data of merging group are write in the user terminal card, by common dial mode, just can initiate to be combined the calling of group, thereby call out when realizing a plurality of user's group; Member sharing wireless channel resource and A interface circuit in same residential quarter of each user's group in the merging group, thus taking system resource can effectively be reduced; Temporary scheduling when needing collaborative commander between combination and function are suitable for not on the same group, and big group of Rapid Establishment during emergency cooperative in emergency circumstances.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, the those of ordinary skill in described field should be appreciated that still and can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (12)
1, a kind of method of initiating group calling in digital clustering communication system is characterized in that this method may further comprise the steps:
Step 1, mobile switching centre receive group calling and initiate request, according to the merging group group id in the group calling initiation request, obtain the group calling attribute information of each user's group in the merging group;
Step 2, mobile switching centre determine the group call region of this merging group according to each user's group calling attribute information;
Step 3, mobile switching centre set up group-calling channel in the residential quarter of merging group group call region, and the user of each user's group has group calling to initiate in the notice merging group.
2, method according to claim 2 is characterized in that, the group calling attribute information that obtains each user's group in the merging group described in the step 1 may further comprise the steps:
Step 11, mobile switching centre send to Group Call Register and obtain each user's group calling attribute information message in the merging group;
Step 12, Group Call Register are according to obtaining the sign of the merging group group in user's group calling attribute information message in the merging group, from the Group Call Register database, obtain merging group group calling attribute information, and from the Group Call Register database, obtain each user's group calling attribute information according to merging group group calling attribute information;
Step 13, Group Call Register send to mobile switching centre with each the user's group calling attribute information in the merging group.
3, method according to claim 2 is characterized in that, described merging group group calling attribute information comprises subscriber group information.
4, method according to claim 2 is characterized in that, described user's group calling attribute information comprises that at least the user organizes the cell list of group call region.
5, method according to claim 2, it is characterized in that, described step 2 is specially: mobile switching centre extracts the group call region cell list of user's group from the group calling attribute information of each user's group, and the union of the group call region of each user's group is set to the group call region of merging group.
6, method according to claim 1 is characterized in that, described step 3 may further comprise the steps:
Step 31, mobile switching centre send the calling control connection according to merging group group call region to base station sub-system and set up information;
Step 32, base station sub-system are set up merging group group call reference information in the information according to this calling control connection, set up with mobile switching centre and call out control connection, and return to mobile switching centre and to call out control connection and be successfully established information;
Step 33, mobile switching centre send group-calling channel to base station sub-system and set up request;
Merging group group call reference information and user that step 34, base station sub-system are set up in the request according to this group-calling channel organize the group call reference tabulation, are the cell allocation wireless channel of merging group group call region;
Step 35, base station sub-system are organized the group call reference tabulation according to merging group group call reference information and user, and the notification message of broadcasting user group carries identical wireless channel descriptor at the described notification message of same Cell Broadcast CB.
7, method according to claim 6 is characterized in that, the mode of broadcasting is with a predefined cycle repeated broadcast in the described step 35.
8, method according to claim 1 is characterized in that, also comprises after described step 3: user's listen for user group notification message of each user group, and adjust to corresponding channel according to the wireless channel descriptor in the notification message and join in the group calling.
9, method according to claim 1 is characterized in that, also comprises before described step 1: turnkey console creates the merging group that comprises a plurality of user's groups, and notifies mobile switching centre with the establishment information of merging group.
10, method according to claim 9 is characterized in that, the step that described turnkey console creates the merging group that comprises a plurality of user's groups is specially: turnkey console is merged into a merging group with a plurality of user's groups, and merges component combo sign for this.
11, method according to claim 9 is characterized in that, describedly the step of building information notice mobile switching centre is formed in merging is specially: turnkey console sends to the mobile switching centre of its management and merges group creation request; Mobile switching centre preserves merging group group id and the merging group group calling attribute information in this merging group creation request, and returns to merge to form to turnkey console and build response.
12, method according to claim 11, it is characterized in that the step that described mobile switching centre preserves merging group group id and merging group group calling attribute information is specially: group id is organized in merging in mobile switching centre and merging group group calling attribute information sends to the Group Call Register that is connected with this mobile switching centre; Group id is organized in merging to this Group Call Register and merging group group calling attribute information is saved in the Group Call Register database.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011044800A1 (en) * | 2009-10-12 | 2011-04-21 | 华为技术有限公司 | Method, device and communication system for group call |
| CN104735629A (en) * | 2013-12-23 | 2015-06-24 | 成都鼎桥通信技术有限公司 | Broadcast communication method in full-service trunked communication system |
| CN104780613A (en) * | 2015-04-23 | 2015-07-15 | 河北远东通信系统工程有限公司 | Method for sharing and synchronizing resources between digital cluster base station and switching center |
| CN107027107A (en) * | 2017-03-07 | 2017-08-08 | 杭州承联通信技术有限公司 | A kind of Trunking Switching Center group exhales the method for being incorporated to and contention resolution |
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2006
- 2006-01-05 CN CN 200610032755 patent/CN1867117A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011044800A1 (en) * | 2009-10-12 | 2011-04-21 | 华为技术有限公司 | Method, device and communication system for group call |
| CN102045651A (en) * | 2009-10-12 | 2011-05-04 | 华为技术有限公司 | Cluster call method, MSC, BSC and communication system |
| RU2517296C2 (en) * | 2009-10-12 | 2014-05-27 | Хуавэй Текнолоджиз Ко., Лтд. | Method, device and communication system for group call |
| CN104735629A (en) * | 2013-12-23 | 2015-06-24 | 成都鼎桥通信技术有限公司 | Broadcast communication method in full-service trunked communication system |
| CN104735629B (en) * | 2013-12-23 | 2018-11-13 | 成都鼎桥通信技术有限公司 | A kind of method of broadcast communication in full-service trunked communication system |
| CN104780613A (en) * | 2015-04-23 | 2015-07-15 | 河北远东通信系统工程有限公司 | Method for sharing and synchronizing resources between digital cluster base station and switching center |
| CN107027107A (en) * | 2017-03-07 | 2017-08-08 | 杭州承联通信技术有限公司 | A kind of Trunking Switching Center group exhales the method for being incorporated to and contention resolution |
| CN107027107B (en) * | 2017-03-07 | 2019-12-13 | 杭州承联通信技术有限公司 | Group calling merging method and conflict resolution method for cluster switching center |
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