CN104735629B - A kind of method of broadcast communication in full-service trunked communication system - Google Patents
A kind of method of broadcast communication in full-service trunked communication system Download PDFInfo
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- CN104735629B CN104735629B CN201310718095.6A CN201310718095A CN104735629B CN 104735629 B CN104735629 B CN 104735629B CN 201310718095 A CN201310718095 A CN 201310718095A CN 104735629 B CN104735629 B CN 104735629B
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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
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- Computer Networks & Wireless Communication (AREA)
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Abstract
This application discloses a kind of methods of broadcast communication in full-service trunked communication system, including：The dispatching desk of full-service trunked communication system sends broadcast group to the core net of the system and establishes request, and carries the Qos parameters of established broadcast group, is used to indicate the service attribute and zone of action range of the broadcast group；Type of business in the service attribute includes voice broadcast service and data broadcasting；Core net is established according to the broadcast group of reception and is asked, and broadcast group is established within the scope of the zone of action, and according to Qos parameters establishment and the carrying between base station and UE；After the data of the broadcast group that the core net sends dispatching desk replicate, the monitoring UE that is sent to using the carrying of establishment in the broadcast group.Using the application, data cluster can be supported to broadcast, and realize the United Dispatching of voice cluster and data cluster broadcast.
Description
Technical field
This application involves trunking communicating technology, more particularly to the side of broadcast communication in a kind of full-service trunked communication system
Method.
Background technology
Digital clustering communication system is one using semiduplex two-way group communication as the technology of main feature, basic industry
Business is group call；Generally there are multiple users in a group, the user in group there can be dispatcher, or single
Solely configuration is not belonging to the dispatcher of group, realizes the scheduling feature to group.Have the user of permission can in dispatcher or group
To initiate the process of establishing of group service, after group establishes, only possesses right of speech there are one user simultaneously in a group, possess
The user of right of speech（Speaker）It can talk, other users in group are hearers, receive the speech information of speaker；Speaker, which converses, to tie
Release speech right after beam；Other users in group（Hearer）Can in the case where group right of speech is idle or group's right of speech occupies Shen
Please right of speech, the user of high priority can seize the right of speech of low priority user.In one cell, group service establishes process
In, in a cell, no matter group user number how much, it is general only to establish a set of Bearer Channel resource, reach and saving net
In the case of network Bearer Channel resource, a speaker speaks, the effect of " getting ready to go into action in hundreds " that multiple users answer；
Broadcast communication is a kind of group call determined with regional extent, and the terminal in specified regional extent can supervise
It listens to the radio programme calling.Broadcast & call divide into the whole network broadcast group and regional broadcast group according to call coverage difference.
In current Digital Clustering application, for voice Clustering due to easy to use, foundation call is fast, has commander's tune
Spending function etc. has apparent advantage, has been widely used in every field.As TETRA systems have in voice cluster field
Preferable application, but be narrowband systems the problem of TETRA, due to the limitation of bandwidth, mainly support voice cluster or low capacity
Data service such as short message, cannot support data service very well, also not support data cluster.
And in the broadband cluster communication system currently based on LTE, although end-to-end speech cluster and data can be met
Business demand, but consider the Function Extension under the extension of follow-up business type and each type of business, in LTE broadband cluster systems, no
Support data cluster broadcast, voice cluster and data cluster are difficult to unified definition, United Dispatching.
Invention content
The method that the application provides broadcast communication in a kind of full-service trunked communication system, can support that data cluster is wide
It broadcasts, and realizes the United Dispatching of voice cluster and data cluster.
To achieve the above object, the application adopts the following technical scheme that：
A kind of method of broadcast communication in full-service trunked communication system, including：
The dispatching desk of full-service trunked communication system sends broadcast group to the core net of the system and establishes request, and carries
The Qos parameters of established broadcast group are used to indicate the service attribute and zone of action range of the broadcast group；The service attribute
In type of business include voice broadcast service and data broadcasting；
Core net is established according to the broadcast group of reception and is asked, and establishes broadcast group within the scope of the zone of action, and according to
The Qos parameters create and the carrying between base station and UE；
After the data for the broadcast group that the core net sends dispatching desk replicate, institute is sent to using the carrying of establishment
State the monitoring UE in broadcast group.
Preferably, the broadcast group, which is the whole network broadcast group, regional broadcast group or dynamic circle, selects broadcast group.
Preferably, when the zone of action is not configured in the Qos parameters, the zone of action of the instruction is the whole network.
Preferably, the Qos parameters include base station or TA tracking area lists, it is used to indicate the zone of action range.
Preferably, when the core net establishes broadcast group, the base station within the scope of the zone of action checks its control range
The broadcast group of interior activation ensures that only one broadcast group activates in the base station control range.
Preferably, only allowing to establish the whole network broadcast group, the priority of the whole network broadcast group is highest.
Preferably, when establishing regional broadcast group, if being successfully established the whole network broadcast group, core net does not establish the area
Domain broadcast group, and the information to fail is established to the dispatching desk return area broadcast group；And/or
When establishing the whole network broadcast group, if being successfully established regional broadcast group, the core net, which is dismantled, all successfully builds
Vertical regional broadcast group resettles the whole network broadcast group.
The mode of broadcast group is selected to include preferably, establishing the circle：
The region that dispatcher is dynamically enclosed choosing by dispatching desk in GIS map is converted into zone of action range and is sent to scheduling
Machine；The dispatcher extracts the information of the broadcast group to be established to prestore from OMC, by core net in the zone of action range
It inside establishes the circle and selects broadcast group.
Preferably, the zone of action ranging from station list or tracking area list.
Preferably, the GIS map is using base station or tracking area as minimum particle size.
Preferably, the data format of AMR voice broadcast service groups is：Air protocol layer header+AMR data；And/or
The data format of non-AMR voice broadcast services group is：Air protocol layer header+multicast IP+ data.
As seen from the above technical solution, in the application, the core of the dispatching desk of full-service trunked communication system to the system
Heart net sends broadcast group and establishes request, and carries the Qos parameters of established broadcast group, be used to indicate broadcast group service attribute and
Zone of action range；Wherein, the type of business in service attribute includes voice broadcast service and data broadcasting；Core net is according to reception
Broadcast group establishes request, broadcast group is established within the scope of the zone of action of instruction, and create between base station and UE according to Qos parameters
Carrying；After the data for the broadcast group that core net sends dispatching desk replicate, it is sent in broadcast group using the carrying of establishment
Monitor UE.By the above-mentioned means, can be in trunked communication system by carrying in the case where broadcast group establishes the qos parameter in request
Voice broadcast service and data broadcasting are carried out United Dispatching by sending service type.
Description of the drawings
Fig. 1 is the basic procedure schematic diagram of the broadcast communication method in full-service group system in the application；
Fig. 2 is the broadcast networking schematic diagram in full-service group system in the application；
Fig. 3 is to illustrate corresponding to the control plane of broadcast communication method in the application and the signaling flow of user plane and data flow
Figure；
Fig. 4 is that the business interface of broadcast group defines schematic diagram.
Specific implementation mode
In order to make the purpose, technological means and advantage of the application be more clearly understood, the application is done below in conjunction with attached drawing
It is further described.
Broadcast communication is a kind of basic service in group system, requires to refine being total to for cluster in full-service trunked communication system
Property, include the general character of the group services such as the broadcast of voice broadcast service, short message, video broadcasting, PS broadcast, extended voice is broadcast to full-service
Broadcast.The universal model of broadcasting service is as shown in table 1 in the full-service group system refined in the application：
Table 1
In the full-service group system of the application, following three kinds of broadcasting services are supported：
1, the whole network broadcast group：For broadcasting service in network-wide basis, it is not necessarily to signing-contract field range, it is desirable that user is in the whole network
It can monitor；
2, regional broadcast group：Specified broadcast is needed just for the broadcasting service within the scope of subregion, when broadcast group is contracted
Specific regional extent, it is desirable that user can monitor in the area；
3, dynamic circle selects broadcast group：For the broadcasting service within the scope of subregion, broadcast area is quiet when not opening an account
State is contracted but is selected by user's dynamic circle when broadcasting service is initiated.Dynamic circle selects broadcast group relatively complicated, dynamic circle
Function is selected to need with GIS map or base station, cell or TA（Tracking area）Configuration information associates.
Fig. 1 is the basic procedure schematic diagram of the broadcast communication method in full-service group system in the application.Fig. 2 is this Shen
Please in broadcast networking schematic diagram in full-service group system.In networking structure shown in Fig. 2, it can be used for implementing Fig. 1 institutes
The broadcast communication method shown.As depicted in figs. 1 and 2, the broadcast communication method of the application includes：
Step 101, the dispatching desk of full-service trunked communication system sends the foundation of broadcast group to core net by dispatcher and asks
It asks, and carries the Qos parameters of established broadcast group.
Wherein, Qos parameters are used to indicate the service attribute and zone of action range of broadcast group；Business kind in service attribute
Class may include voice broadcast service and data broadcasting.Here, data broadcasting can be further refined as video broadcasting, short message is broadcasted,
The types of business such as picture broadcast.By the mark of type of business in above-mentioned parameter, dispatcher can initiate the broadcast of various businesses
Group, such as voice, video, short message and PS broadcast groups etc..In addition, can further include in Qos parameters precedence information,
Service bandwidth etc..It can be using base station or the list of TA tracking areas come indicative function regional extent, when in Qos parameters in Qos parameters
When the zone of action is not configured, the expression zone of action is the whole network.
In the application, the foundation of broadcast group can only be initiated by dispatcher by dispatching desk, not allow ordinary user's power of robbing.
Step 102, core net is established according to the broadcast group of reception and is asked, and broadcast group is established within the scope of the zone of action, and
According to the establishment of Qos parameters and the carrying between base station and UE.
After core net receives broadcast group setup requests, according to the Qos parameters carried in call request message and originally
The regional extent of secondary broadcasting service establishes broadcast group service bearer in these regional extents.
Specifically, core net establishes group according to the region of configuration, and base station checks its control area, ensures in region only
One broadcast group activation, is not allow for multiple broadcast groups while activating.The whole network broadcast group can only there are one, the broadcast group it is preferential
Grade is defaulted as highest priority, does not allow to change.The regional broadcast group of foundation can also be defaulted as highest priority, but this is excellent
First grade allows to change.
When establishing broadcast group, since the same area is only capable of that there are one broadcast groups to activate, and the whole network broadcast group is preferential
Grade highest, it is therefore preferred that when establishing regional broadcast group, if it is wide to be successfully established the whole network in the corresponding zone of action
Group is broadcast, then core net does not resettle regional broadcast group, and the information of failure is established to dispatching desk return area broadcast group；It is establishing
When the whole network broadcast group, if being successfully established regional broadcast group, core net forces the region that all areas are successfully established of dismantling
Broadcast group resettles the whole network broadcast group.
Broadcast is set up immediately, indicates that the group is broadcast group in the paging message of eating dishes without rice or wine for issuing UE.UE receives paging hair
Existing group is after broadcast group, need not check whether the group that contracts, directly according to the group of the comparison of priority selection monitoring.
The processing of 101-102 through the above steps sets up broadcast group in full-service trunked communication system, and creates phase
The carrying answered.The specific signing information of the broadcast group can be stored in OMC shown in Fig. 2.Fig. 3 is corresponding in the application
The control plane of broadcast communication method and the signaling flow of user plane and data flow diagram.The processing of above-mentioned steps 101-102 is
The signaling processing of control plane, corresponds to control plane signaling flow shown in solid in Fig. 3 in broadcast communication method.
Step 103, it after the data for the broadcast group that core net sends dispatching desk replicate, is sent to extensively using the carrying of establishment
Broadcast the monitoring UE in group.
Core net by business datum replicate more parts, step 104 establish broadcasting service carrying in be handed down to monitor UE.
The processing of this step is the user face data processing in broadcast communication method, corresponds to user plane number shown in dotted lines in Figure 3
According to stream.
So far, the basic skills flow in the application terminates.By the above-mentioned means, being established in request in broadcast using carrying
Qos parameters, the broadcast types such as voice, data can be identified, and be indicated by unified format, to realize language
The United Dispatching of sound, data broadcasting.
In addition, as previously mentioned, the broadcast communication method in the application can also support dynamic is enclosed to select broadcast group, for this kind of
The foundation of broadcast group, is described in detail below.
Specifically, to realize that dynamic circle selects broadcast group, the integrated GIS server in networking structure, after integrating the server,
GIS map can be shown on dispatching desk interface, wherein preferably, GIS map can be with base station or TA（Tracking area）For minimum
Granularity.The broadcast group of static signing has been preserved in OMC, and zone of action range may be configured in the broadcast group,
It can also be without configuration zone of action range.Dispatcher selects the broadcast group of the static signing preserved in some OMC（Prepare to want
The broadcast group of foundation）, then dynamically circle selects a regional extent, the region that dispatching desk selects dispatcher to turn in GIS map
It changes station list into or dispatcher is issued in TA lists；The information of the broadcast group of static signing is extracted from OMC by dispatcher, and
It initiates to call the broadcast group of the circle favored area, corresponding broadcast group is established in circle favored area.
When stating broadcast communication method shown in FIG. 1 on the implementation, it is preferable that adopted in networking structure that can be shown in Fig. 2
It is defined with the business interface of broadcast group shown in Fig. 4, as shown in figure 4,
SIP interface：Transmission group establishes INVITE message, and the Qos parameters which carries broadcast group are used to indicate tool
The service attribute and regional extent of body identify（Base station IDs list or TA ID lists）；
Control plane interface between core net and UE：Clearly the group is broadcast group and carries in group paging channel
The Qos parameters of broadcast group；
Interface in the user plane between core net, base station and UE：Carrying is created according to the Qos of broadcast group；
The data packet format of air interface transmission is divided to following two class：
AMR voice packet formats are as shown in table 2：
Table 2
AMR voices are only sent using the data packet format of table 2 in air interface transmission, are suitable for voice broadcast service；Non- AMR voices number
It is as shown in table 3 according to packet format：
Table 3
Using the business datum of data packet format transmission data broadcast shown in table 3 in air interface transmission, it is suitable for all kinds of numbers
According to broadcast.
As above, as in the application in full-service trunked communication system broadcast communication method.In this application, it refines
The characteristic of broadcasting service, extended voice broadcasting service is to including the full-services broadcast communication mechanism such as voice, video, short message.Pass through
End-to-end unified full-service cluster definition, the QoS definition for providing broadcast group business are supported according to type of business and qos parameter
Data cluster is broadcasted, and realizes the United Dispatching of voice cluster and data cluster, controls user's surface treatment of full-service cluster.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (10)
1. a kind of method of broadcast communication in full-service trunked communication system, which is characterized in that including：
The dispatching desk of full-service trunked communication system sends broadcast group to the core net of the system and establishes request, and carries and built
The Qos parameters of vertical broadcast group, are used to indicate the service attribute and zone of action range of the broadcast group；In the service attribute
Type of business includes voice broadcast service and data broadcasting；
Core net is established according to the broadcast group of reception and is asked, and broadcast group is established within the scope of the zone of action, and according to described
Qos parameters create and the carrying between base station and UE；
After the data for the broadcast group that the core net sends dispatching desk replicate, it is sent to using the carrying of establishment described wide
Broadcast the monitoring UE in group；
Wherein, the broadcast group is that the whole network broadcast group, regional broadcast group or dynamic circle select broadcast group；The whole network broadcast group is directed to
Broadcasting service in network-wide basis is not necessarily to signing-contract field range, it is desirable that user can monitor in the whole network；The regional broadcast group needle
To the broadcasting service within the scope of subregion, it is desirable that user can monitor in the area；Dynamic circle selects broadcast group to be directed to part
Broadcasting service in regional extent, broadcast area not when opening an account static signing but moved by user when broadcasting service is initiated
State circle selects.
2. described according to the method described in claim 1, it is characterized in that, when the zone of action is not configured in the Qos parameters
The zone of action of instruction is the whole network.
3. according to the method described in claim 1, it is characterized in that, the Qos parameters include base station or TA tracking area lists,
It is used to indicate the zone of action range.
4. according to the method described in claim 1, it is characterized in that, when the core net establishes broadcast group, the zone of action
Base station in range checks the broadcast group activated in its control range, ensures that only one broadcast group swashs in the base station control range
It is living.
5. according to the method described in claim 1, it is characterized in that, only allowing to establish the whole network broadcast group, described the whole network is wide
The priority for broadcasting group is highest.
6. according to the method described in claim 1, it is characterized in that, when establishing regional broadcast group, if being successfully established the whole network
Broadcast group, then core net does not establish the regional broadcast group, and the letter of failure is established to the dispatching desk return area broadcast group
Breath；And/or
When establishing the whole network broadcast group, if be successfully established regional broadcast group, the core net is dismantled all be successfully established
Regional broadcast group resettles the whole network broadcast group.
7. according to the method described in claim 1, selecting the mode of broadcast group to include it is characterized in that, establishing the circle：
The region that dispatcher is dynamically enclosed choosing by dispatching desk in GIS map is converted into zone of action range and is sent to dispatcher；Institute
The information that dispatcher extracts the broadcast group to be established to prestore from OMC is stated, it is built-in in the zone of action range by core net
The vertical circle selects broadcast group.
8. the method according to the description of claim 7 is characterized in that the zone of action ranging from station list or tracking area row
Table.
9. according to the method described in claim 8, it is characterized in that, the GIS map is using base station or tracking area as minimum particle size.
10. according to the method described in claim 1, it is characterized in that, the data format of AMR voice broadcast service groups is：Air protocol
Layer header+AMR data；And/or
The data format of non-AMR voice broadcast services group is：Air protocol layer header+multicast IP+ data.
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| CN108810037B (en) * | 2017-04-27 | 2020-11-27 | 成都鼎桥通信技术有限公司 | Method and system for realizing distributed cluster service |
| CN111263420A (en) * | 2018-12-03 | 2020-06-09 | 成都鼎桥通信技术有限公司 | PDT and LTE cell selection mutual-assistance method and system under wide-narrow fusion system |
| CN112188401B (en) * | 2019-07-04 | 2022-04-01 | 大唐移动通信设备有限公司 | Positioning communication method and device based on Geographic Information System (GIS) |
| CN115334594B (en) * | 2022-10-14 | 2023-03-24 | 中国铁道科学研究院集团有限公司通信信号研究所 | Method for realizing quality of service negotiation control of railway 5G private network dispatching communication service |
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