CN103391516B - Digital cluster system group call resource distribution method and equipment under long-term evolution structure - Google Patents
Digital cluster system group call resource distribution method and equipment under long-term evolution structure Download PDFInfo
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Abstract
The invention discloses digital cluster system group call resource distribution method and equipment under long-term evolution structure, and this method comprises the following steps：A, evolution base station eNB and multiple cell multicast coordinated entity MCE negotiate evolutionary multimedia broadcast multicast business eMBMS radio-resource-configurations, the transmission with evolutionary multimedia broadcast multicast gateway eMBMS GW is established according to the instruction message of MCE to carry, the instruction message includes that eMBMS configures parameter；B, eNB is matched according to the transfer resource of eMBMS described in the configuration parameter configuration.Through the invention, in long term evolution LTE frameworks, eNB, MCE and MME negotiate eMBMS resource distributions, realize radio resource allocation in several cases, reduce the connecting time delay that wideband digital group system group-calling service is initiated, and improve business continuance.
Description
Technical field
The present invention relates to digital cluster system group call resources under mobile communication field more particularly to long-term evolution structure to distribute
Method and apparatus.
Background technology
LTE（Long Term Evolution, long term evolution）It is 3GPP（Third Generation Partnership
Project, 3-G (Generation Three mobile communication system) collaborative project）The next-generation mobile broadband network standard of definition.Using OFDM technology
And introduce MIMO（Multi output multi output）Etc. technologies；It can support 1.25-20MHz bandwidth simultaneously, peak-data speed is greatly improved
The network structure of rate and power system capacity, flattening enhances scheduling and wireless heterogeneous networks efficiency, shortens connecting time delay.
MBMS（Multimedia broadcast-multicast service）Business has supported that framework is in forth generation in No.3 generation mobile communication system
EMBMS in mobile communication LTE system（Evolutionary multimedia broadcast multicast business）Business is regarded as by industry application scenarios very much
One business.
Trunked communication system is developed, is applied towards specific industry to meet industry user's command scheduling demand
Private wireless communication system, in system wireless user can sharing wireless channel, applied based on command scheduling, be a kind of multi-purpose
On the way, dynamical wireless communication system, and have the characteristic of distinctive group of calling function and short calling.
Trunked communication system in a government office, public safety, emergency communication, electric power, civil aviaton, the necks such as petrochemical industry and army
Domain has a wide range of applications market.With the development of economy, taxi, logistics, estate management and factory's manufacturing industry also increasingly need
Want cluster communication.
Trunked communication system technically also will be to system IPization, business diversification, data broadband, terminal multimode
Direction is developed.Therefore, it is necessary to channel capacity, the higher availability of frequency spectrum, preferably transmission that trunked communication system has bigger
Performance using inexpensive, scalable, configurable IP full wireless multimedia network architecture, and can realize smooth evolution.In conjunction with
The service feature of above-mentioned trunked communication system, based on eMBMS LTE wideband digital group services application solution meet the tendency of and
It is raw, as shown in Figure 1, eMBMS building-block of logic in forth generation mobile communication LET systems.So that cluster communication is as a kind of business
It is dissolved into the cellular mobile system of the public.
Invention content
The object of the present invention is to provide digital cluster system group call resource distribution method under a kind of long-term evolution structure and set
It is standby so that the UE in LTE network（User Equipment user equipmenies）、eNB（ENodeB, evolution base station）, MCE（Multi-
Cell/Multicast Coordination Entity, multiple cell/multicast coordinated entity）, MME (Mobility
Management Element, mobile management entity) between cooperate, to carry wideband digital cluster multi call business LTE
System eMBMS radio resources are allocated and manage.
The purpose of the present invention is what is be achieved through the following technical solutions, the present invention has supplied number under a kind of long-term evolution structure
Group system group call resource distribution method, including：A, evolution base station eNB disappears according to the instruction of multiple cell multicast coordinated entity MCE
Breath is established the transmission with evolutionary multimedia broadcast multicast gateway eMBMS-GW and is carried, and the instruction message includes that evolutionary multimedia is wide
Broadcast multicast service eMBMS configuration parameters；B, eNB carries out the transmission of eMBMS by the transmission carrying according to the configuration parameter
Resource coordination.
The present invention also provides the evolution base station eNBs under a kind of long-term evolution structure, including：
Module is established in transmission carrying, more with evolution for being established according to the instruction message of multiple cell multicast coordinated entity MCE
The transmission of media broadcast multicast gateway eMBMS-GW carries, and the instruction message includes evolutionary multimedia broadcast multicast business
EMBMS configures parameter；
Radio resource allocation module, for according to the configuration parameter, the transmission of eMBMS to be carried out by the transmission carrying
Resource coordination.
Through the invention, in LTE frameworks, eNB, MCE and MME negotiate eMBMS resource distributions, realize in several cases
Radio resource allocation, reduce wideband digital group system group-calling service initiate connecting time delay, improve business continuance.
Description of the drawings
Fig. 1 is eMBMS building-block of logic in forth generation mobile communication LET systems；
Fig. 2 is a kind of stream of digital cluster system group call resource distribution method under long-term evolution structure in the embodiment of the present invention
Cheng Tu；
Fig. 3 is cell-level digital cluster system group call resource distribution method under long-term evolution architecture in the embodiment of the present invention
Flow chart；
Fig. 4 is that digital cluster system group is exhaled when non-right of speech user switching on and shutting down under long-term evolution architecture in the embodiment of the present invention
The flow chart of resource allocation methods；
Fig. 5 is that non-right of speech user switching word group system group exhales money under long-term evolution architecture in the embodiment of the present invention
The flow chart of source distribution method；
Fig. 6 is digital cluster system group in the case of right of speech user is non-switching under long-term evolution architecture in the embodiment of the present invention
Exhale the flow chart of resource allocation methods；
Fig. 7 is that digital cluster system group is exhaled under right of speech user's switch instances under long-term evolution architecture in the embodiment of the present invention
The structure chart of resource allocation methods；
Fig. 8 is a kind of knot of digital cluster system group call resource distributing equipment under long-term evolution structure in the embodiment of the present invention
Composition；
Fig. 9 is digital cluster system group call resource distributing equipment under another long-term evolution structure in the embodiment of the present invention
Structure chart.
Specific implementation mode
First embodiment of the invention provides digital cluster system group call resource distribution method under a kind of long-term evolution structure,
This method technology technology to be solved is cooperated by UE, eNB, MCE and MME in LTE network, to carrying wideband digital
The LTE system eMBMS radio resources of cluster multi call business are allocated and manage, as shown in Fig. 2, specifically including following steps：
Step S101, evolution base station eNB are established and the more matchmakers of evolution according to the instruction message of multiple cell multicast coordinated entity MCE
The transmission of body broadcast group broadcast gateway eMBMS-GW carries, and the instruction message includes evolutionary multimedia broadcast multicast business eMBMS
Configure parameter.
According to the configuration parameter, the transfer resource for carrying out eMBMS by the transmission carrying matches by step S102, eNB.
Digital cluster system group call resource distribution method under a kind of long-term evolution structure of second embodiment of the invention offer, should
Method is exhaled applied to LET cell-level digital cluster system groups in radio resource allocation, in the present embodiment, is established in cell initial
When, eNB establishes the logical connection with adjacent network element.As shown in figure 3, specifically including following steps：
Whether step S201 supports eMBMS, if current area is not supported by back-end data library inquiry current area
EMBMS, then termination process.
Step S202, if current area supports eMBMS, eNB to establish the biography with eMBMS-GW according to the instruction message of MCE
Transmission bearing, the instruction message include that evolutionary multimedia broadcast multicast business eMBMS configures parameter.
Step S203, eNB are matched according to the transfer resource of eMBMS described in the configuration parameter configuration；
After transfer resource successful matching, is carried by the transmission and carry out resource transmission.
Digital cluster system group call resource distribution method under a kind of long-term evolution structure of third embodiment of the invention offer, is answered
For digital cluster system group to be exhaled in radio resource allocation when non-right of speech user UE switching on and shutting down in LTE, in the present embodiment, user
Booting is resident current area and initiates start-up logging, while being registered in MME and cluster management and running center, such as 4 institute of attached drawing
Show, specifically includes following steps：
Step S301：The corresponding MCE in current area where UE issues the set of digits of the current UE (by M3 interfaces) according to MME
Group business information carries out inquiring whether the current area supports eMBMS, if carrying the set of digits group-calling that the UE needs
EMBMS radio resources are established in current area, S305 are thened follow the steps, wherein the Digital Clustering business information includes
MBSFN Area ID and session session numbers etc..
Step S302, if eMBMS radio resources are not established in current area, MCE is according to cluster multi call business feature
Parameter carries out admission judgment.
Step S303, admission judgment success after, then be by M2 interface notifications current area eNB, the current area eNB
Current UE distributing user context.
Step S304, MCE indicate that current area eNB and eMBMS-GW establish transmission carrying by M1 interfaces.
The configuration parameter configuration eMBMS radio resources that step S305, current area eNB are indicated according to MCE, eNB is according to institute
State the user's context and eMBMS-GW progress resource coordinations that configuration parameter is the UE, wherein the cluster group
It includes Qos, the parameters such as rate to exhale business feature parameter.
Further, after radio resource allocation success, eNB indicates that UE carries out data word cluster monitoring, under its range
Cell in UE when no longer carrying out set of digits group-calling, radio resource is discharged.It is following rapid：
Step S306, eNB generates system broadcasts and indicates the UE in newly-built EMBMS radio resources after the completion of resource coordination
Upper progress Digital Clustering monitoring.
Step S307：MCE sends response message by M3 interfaces to MME, carries out the information update of user class.
Step S308：Current area eNB monitors whether its lower cell still has UE to continue in real time according to certain period
Set of digits group-calling, if without when, one section of delay is specifically after configurable time, by corresponding EMBMS radio resources into
Row release, and carry out information update with MCE.
Digital cluster system group call resource distribution method under a kind of long-term evolution structure of fourth embodiment of the invention offer, is answered
For active user to be supported in radio resource allocation, wherein cell-of-origin with Target cell when non-right of speech user UE switchings in LTE
Digital Clustering group-calling service, UE sends the measurement report based on switching to serving cell, and it is accurate that serving cell judgement enters switching
Standby process.As shown in Fig. 5, following steps are specifically included：
Step S401, eNB where cell-of-origin inquire local data base or to the corresponding MCE inquiries Target cells in cell-of-origin
No support eMBMS.
Step S402 sends handover preparation request to the Target cell and disappears if the Target cell supports eMBMS
It ceases, the Digital Clustering group-calling service information of the UE is carried in the handover preparation request message；The set of digits group-calling industry
Information of being engaged in includes MBSFNArea ID and session session numbers.
Step S403, the Target cell eNB switch over required connect according to the Digital Clustering group-calling service information
Receive judgement.
Step S404, after admission judgment success, the Target cell eNB sends switching preparation confirmation to the cell-of-origin and disappears
Breath, the switching prepare confirmation message and carry the system broadcast information for configuring parameter about the Target cell eMBMS.
The cell-of-origin indicates that the UE carries out cell switching by instruction of eating dishes without rice or wine.
Step S405, the Target cell eNB are designated as the UE distributing users context according to Target cell MCE.
Step S406, the Target cell eNB are established according to the instruction message of the Target cell MCE and Target cell
The transmission of eMBMS-GW carries.
Step S407：The Target cell eNB prepares the system broadcasts carried in confirmation message according to the switching
The user's context and the eMBMS-GW that Target cell eMBMS configuration parameters in information are the UE carry out resource and match
It is right.
Step S402-S404 is replaced by step S411-S414 if the Target cell does not support eMBMS.Specific step
It is rapid as follows：
Step S411 sends switching to mobile management entity MME and prepares if the Target cell does not support eMBMS
Request message carries the Digital Clustering group-calling service information of the UE in the handover preparation request message.
Step S412, the MME by the handover preparation request message correspond to general service and digital group service into
Row partition, and the Target cell eNB and the Target cell MCE are sent respectively.
Step S413, the Target cell eNB carry out admission judgment to the general service, and the Target cell MCE divides
Other to carry out admission judgment to the Digital Clustering business, the Digital Clustering business admission judges failure, then only carries out common industry
Business；Or,
General service and the digital equal admission judgment of group service fail, then termination process.
Step S414, after the Digital Clustering business admission judges successfully, the MME is by the Target cell eNB and mesh
After the feedback integration for marking cell MCE, sends switching to the cell-of-origin and prepare confirmation message, the switching prepares confirmation message and takes
Band configures the system broadcast information of parameter about the Target cell eMBMS；The cell-of-origin is by eating dishes without rice or wine described in instruction instruction
UE carries out cell switching.
Digital cluster system group call resource distribution method under a kind of long-term evolution structure of fifth embodiment of the invention offer, is answered
Specifically comprise the following steps as shown in Fig. 6 for radio resource allocation when right of speech user UE is non-switching in LTE：
Step S501, MME is received as UE distribution cluster communication right of speech service requests, and notifies place current area eNB.
Step S502, current area eNB are that the UE is established during user's context according to mobile management entity MME
Digital Clustering group-calling service parameter logistic word group service carries out admission judgment, if connecing red receive judges failure, Digital Clustering
Operation flow terminates.
Step S503, if admission judgment success, eNB is current UE distributing user context.
Step S504, current area eNB establish the transmission with eMBMS-GW and carry.
Step S505, the current area eNB by instruction of eating dishes without rice or wine are the user's context of the UE and described
EMBMS-GW carries out resource coordination.
Further, after the completion of radio resource allocation, current area eNB is inquired the right of speech of active user by some cycles
State；If active user discharges right of speech, current area eNB indicates that the UE discharges radio resource by instruction of eating dishes without rice or wine.
Digital cluster system group call resource distribution method under a kind of long-term evolution structure of sixth embodiment of the invention offer, is answered
Radio resource allocation when switching for right of speech user UE in LTE, current UE have obtained language Digital Clustering group-calling service for the time being
In the survival stage, the UE sends the measurement report based on switching to serving cell, and serving cell judgement switches over preparation
Process.In the present embodiment, active user's cluster multi call right of speech user's unicast service before Target cell is sent out according to cell-of-origin
Switch over receiving.As shown in Fig. 7, specifically comprise the following steps：
The Digital Clustering group-calling service for the UE that the Target cell eNB of step S601, the UE are sent according to cell-of-origin
Parameter carries out admission judgment to the Digital Clustering business, if the Digital Clustering business admission judges failure, then only carries out general
Logical business；Or,
General service and the digital equal admission judgment of group service fail, then termination process.
Step S602 after admission judgment success, sends switching to the cell-of-origin and is ready to respond to message.
Step S603, the cell-of-origin indicate that the UE carries out cell switching by instruction of eating dishes without rice or wine.
Step S604, the Target cell eNB are established according to the instruction message of the Target cell MCE and Target cell
The transmission of eMBMS-GW carries.
On the user that step S605, the Target cell eNB are the UE according to the Digital Clustering group-calling service parameter
Hereafter resource coordination is carried out with the Target cell eMBMS-GW.
Digital cluster system group call resource distributing equipment under a kind of long-term evolution structure of seventh embodiment of the invention offer, should
Equipment is evolution base station eNB, as shown in figure 8, including：
Module 701 is established in transmission carrying, for according to the foundation of the instruction message of multiple cell multicast coordinated entity MCE and evolution
The transmission of multimedia broadcasting and multicast gateway eMBMS-GW carries, and the instruction message includes evolutionary multimedia broadcast multicast business
EMBMS configures parameter；
Radio resource allocation module 702, for according to the configuration parameter, carrying out eMBMS's by the transmission carrying
Transfer resource matches.
Further include：
Enquiry module 703, for passing through whether back-end data library inquiry current area supports eMBMS, if current area
It supports eMBMS, then the transmission load is called to establish module；
If eMBMS, termination process are not supported in current area.
Digital cluster system group call resource distributing equipment under a kind of long-term evolution structure of eighth embodiment of the invention offer, should
Equipment is evolution base station eNB, as shown in Fig. 9, including：
Module 801 is established in transmission carrying, for according to the foundation of the instruction message of multiple cell multicast coordinated entity MCE and evolution
The transmission of multimedia broadcasting and multicast gateway eMBMS-GW carries, and the instruction message includes evolutionary multimedia broadcast multicast business
EMBMS configures parameter；
Radio resource allocation module 802, for according to the configuration parameter, carrying out eMBMS's by the transmission carrying
Transfer resource matches；
Enquiry module 803, for inquiring local data base or whether being supported to the corresponding MCE inquiries Target cell in cell-of-origin
eMBMS；
Handover preparation request message transmission module 804 is used for when the Target cell supports eMBMS, to the target
Cell sends handover preparation request message；Or, if the Target cell does not support eMBMS, sent out to mobile management entity MME
Handover preparation request message is sent, the Digital Clustering group-calling service information of the UE is carried in the handover preparation request message；
Admission judgment module 805 is sentenced for switching over required receiving according to the Digital Clustering group-calling service information
It is disconnected；
Switching prepares confirmation message sending module 806, and after admission judgment success, it is accurate to send switching to the cell-of-origin
Standby confirmation message, the switching prepare confirmation message and carry the system broadcasts letter for configuring parameter about the Target cell eMBMS
Breath；
Context distribution module 807, for being designated as the UE distributing users context according to Target cell MCE.
Through the embodiment of the present invention, in long term evolution LTE frameworks, eNB, MCE and MME negotiate eMBMS resource distributions, real
Now radio resource allocation in several cases reduces the connecting time delay that wideband digital group system group-calling service is initiated, and improves
Business continuance.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (16)
1. digital cluster system group call resource distribution method under a kind of long-term evolution structure, which is characterized in that including：
A, evolution base station eNB and multiple cell multicast coordinated entity MCE negotiations evolutionary multimedia broadcast multicast business eMBMS are wirelessly provided
Source configures, and establishing the transmission with evolutionary multimedia broadcast multicast gateway eMBMS-GW according to the instruction message of MCE carries, the finger
Show that message includes that eMBMS configures parameter；
B, eNB is matched according to the transfer resource of eMBMS described in the configuration parameter configuration；
Wherein, the eNB establishes the transmission with eMBMS-GW according to the instruction message of MCE and carries, including：Target cell eNB roots
The transmission with Target cell eMBMS-GW is established according to the instruction message of the Target cell MCE to carry.
2. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as described in claim 1
In, it is described according to the instruction message of MCE establish with before the transmission of eMBMS-GW carrying, including：
The eNB by back-end data library inquiry within the scope of its cell whether support eMBMS, if the cell supports eMBMS,
Then carry out step A；
If the cell does not support eMBMS, termination process.
3. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as described in claim 1
In, UE is non-right of speech UE, before the eNB establishes the transmission carrying with eMBMS-GW according to the instruction message of MCE, including：
When UE booting, the UE's that the corresponding MCE in current area where the UE is issued according to mobile management entity MME
Digital Clustering business information inquires whether the current area supports eMBMS；
If eMBMS is supported in the current area, judge to carry whether the UE carries out the eMBMS of set of digits group-calling
It is established in the current area, subsequent processing is carried out according to judging result；
If eMBMS, termination process are not supported in the current area.
4. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as claimed in claim 3
In, it is described judge to carry the UE and carry out the eMBMS of set of digits group-calling whether established in the current area, according to sentencing
Disconnected result carries out subsequent processing, including：
If carrying the UE carries out the eMBMS of set of digits group-calling in current area foundation, progress step A；
If if carrying the UE carries out the eMBMS of set of digits group-calling not in current area foundation, the MCE roots
Admission judgment is carried out according to cluster multi call service parameter, after receiving successfully, according to being designated as in the UE distributing users for the MCE
Hereafter, step A is carried out.
5. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as claimed in claim 4
In, according to the configuration parameter, the transfer resource for carrying out eMBMS by the transmission carrying matches the eNB, including：
The user's context and the eMBMS-GW that eNB is the UE according to the configuration parameter carry out resource coordination.
6. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as described in claim 1
In, UE is non-right of speech UE, before the eNB establishes the transmission carrying with eMBMS-GW according to the instruction message of MCE, including：
When the UE carries out cell switching, eNB where cell-of-origin inquires local data base or inquires mesh to the corresponding MCE in cell-of-origin
Whether mark cell supports eMBMS, if the Target cell supports eMBMS, sends switching to the Target cell and prepares to ask
Message is sought, the Digital Clustering group-calling service information of the UE is carried in the handover preparation request message；
If the Target cell does not support eMBMS, handover preparation request message is sent to mobile management entity MME, it is described
The Digital Clustering group-calling service information of the UE is carried in handover preparation request message.
7. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as claimed in claim 6
In, after the transmission handover preparation request message to the Target cell, including：
The Target cell eNB switches over required admission judgment according to the Digital Clustering group-calling service information, and receiving is sentenced
After being broken into work(, sends switching to the cell-of-origin and prepare confirmation message, the switching prepares confirmation message and carries about the mesh
Mark the system broadcast information of cell eMBMS configuration parameters；
The cell-of-origin indicates that the UE carries out cell switching by instruction of eating dishes without rice or wine；
The Target cell eNB is designated as the UE distributing users context according to Target cell MCE's.
8. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as claimed in claim 6
In, after the transmission handover preparation request message to mobile management entity MME, including：
The handover preparation request message is corresponded to general service to the MME and digital group service decouples, and respectively
Send the Target cell eNB and the Target cell MCE；
The Target cell eNB carries out admission judgment to the general service, and the Target cell MCE is respectively to the set of digits
Group business carries out admission judgment, if the Digital Clustering business admission judges successfully, the MME is by the Target cell eNB
After being integrated with the feedback of Target cell MCE, sends switching to the cell-of-origin and prepare confirmation message, the switching prepares to confirm and disappear
Breath carries the system broadcast information that parameter is configured about the Target cell eMBMS；The cell-of-origin passes through instruction instruction of eating dishes without rice or wine
The UE carries out cell switching；The Target cell eNB is designated as the UE distributing users or more according to Target cell MCE's
Text；Or,
The Digital Clustering business admission judges failure, then only carries out general service；Or,
General service and the digital equal admission judgment of group service fail, then termination process.
9. digital cluster system group call resource distribution side under a kind of long-term evolution structure as described in claim 7 and 8 any one
Method, which is characterized in that the eNB according to the configuration parameter, match by the transfer resource for carrying out eMBMS by the transmission carrying
It is right, including：
The Target cell eNB prepares the mesh in the system broadcast information carried in confirmation message according to the switching
Mark the user's context and eMBMS-GW progress resource coordinations that cell eMBMS configuration parameters are the UE.
10. digital cluster system group call resource distribution method under a kind of long-term evolution structure, feature exist as described in claim 1
In, before UE establishes the transmission carrying with eMBMS-GW for right of speech UE, the eNB according to the instruction message of MCE, including：
For the UE in the case that non-switching, current area eNB where the UE is UE foundation according to mobile management entity MME
Digital Clustering group-calling service parameter logistic word group service during user's context carries out admission judgment, admission judgment success
Afterwards, step A is carried out；
The UE in a handover situation, the set of digits group for the UE that the Target cell eNB of the UE is sent according to cell-of-origin
It exhales service parameter to carry out admission judgment after admission judgment success to the Digital Clustering business to send and switch to the cell-of-origin
It is ready to respond to message；The cell-of-origin indicates that the UE carries out cell switching by instruction of eating dishes without rice or wine；Or,
The Digital Clustering business admission judges failure, then only carries out general service；Or,
General service and the digital equal admission judgment of group service fail, then termination process.
11. digital cluster system group call resource distribution method under a kind of long-term evolution structure as claimed in claim 10, feature
It is, according to the configuration parameter, the transfer resource for carrying out eMBMS by the transmission carrying matches the eNB, including：
The UE is in the case that non-switching, and according to the configuration parameter, the current area eNB is the UE by instruction of eating dishes without rice or wine
The user's context and the eMBMS-GW carry out resource coordination.
12. digital cluster system group call resource distribution method under a kind of long-term evolution structure as claimed in claim 10, feature
It is, in a handover situation, the eNB carries out the biography of eMBMS by the transmission carrying to the UE according to the configuration parameter
Defeated resource coordination, including：
The Target cell eNB is according to the user's context and the target that the Digital Clustering group-calling service parameter is the UE
Cell eMBMS-GW carries out resource coordination.
13. digital cluster system group call resource distributing equipment under a kind of long-term evolution structure, which is characterized in that including：
Module is established in transmission carrying, for according to the foundation of the instruction message of multiple cell multicast coordinated entity MCE and evolutionary multimedia
The transmission of broadcast group broadcast gateway eMBMS-GW carries, and the instruction message is matched comprising evolutionary multimedia broadcast multicast business eMBMS
Set parameter；
Radio resource allocation module, for according to the configuration parameter, the transfer resource of eMBMS to be carried out by the transmission carrying
Pairing；
Wherein, the transmission carrying is established module and is additionally operable to according to the foundation of the instruction message of Target cell MCE and Target cell
The transmission of eMBMS-GW carries.
14. digital cluster system group call resource distributing equipment under a kind of long-term evolution structure as claimed in claim 13, feature
It is, including：
Enquiry module, for passing through whether back-end data library inquiry current area supports eMBMS, if current area is supported
EMBMS then calls the transmission load to establish module；
If eMBMS, termination process are not supported in current area.
15. digital cluster system group call resource distributing equipment under a kind of long-term evolution structure as claimed in claim 13, feature
It is, including：
Enquiry module, for inquiring local data base or whether supporting eMBMS to the corresponding MCE inquiries Target cell in cell-of-origin；
Handover preparation request message transmission module, for when the Target cell supports eMBMS, being sent to the Target cell
Handover preparation request message；Or, if the Target cell does not support eMBMS, it is accurate to send switching to mobile management entity MME
For request message, the Digital Clustering group-calling service information of UE is carried in the handover preparation request message.
16. digital cluster system group call resource distributing equipment under a kind of long-term evolution structure as claimed in claim 15, feature
It is, after the transmission handover preparation request message to the Target cell, including：
Admission judgment module, for switching over required admission judgment according to the Digital Clustering group-calling service information；
Switching prepares confirmation message sending module, after admission judgment success, sends switching to the cell-of-origin and prepares to confirm
Message, the switching prepare confirmation message and carry the system broadcast information for configuring parameter about the Target cell eMBMS；
Context distribution module, for being designated as the UE distributing users context according to Target cell MCE.
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