CN105554849B - The cut-in method and system of super-intensive networking, control node and back end - Google Patents
The cut-in method and system of super-intensive networking, control node and back end Download PDFInfo
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- CN105554849B CN105554849B CN201510926126.6A CN201510926126A CN105554849B CN 105554849 B CN105554849 B CN 105554849B CN 201510926126 A CN201510926126 A CN 201510926126A CN 105554849 B CN105554849 B CN 105554849B
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- 238000012545 processing Methods 0.000 claims description 37
- 238000013507 mapping Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 abstract description 10
- 238000007726 management method Methods 0.000 description 190
- 230000006870 function Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
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- 238000010295 mobile communication Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The embodiment of the present invention provides the cut-in method and system, control node and back end of super-intensive networking, is related to the communications field, can guarantee the flexibility of system in the case where guaranteeing the mobility and data connectivity of user terminal.The cut-in method of the super-intensive networking includes: that district management node obtains the access information that user terminal is sent；District management node selects control node group and back end group, wherein control node group includes at least one control node, and back end group includes at least one back end according to access information；District management node sends the first instruction information to control node group and back end group, and the first instruction information is used to indicate control node group and back end group and provides service for user terminal；District management node sends the information of control node group and the information of back end group to user terminal, so that user terminal access control node group and back end group.
Description
Technical field
The present invention relates to the communications field more particularly to the cut-in methods and system of super-intensive networking, control node and data
Node.
Background technique
With the continuous development of the communication technology, demand of the user to mobile data services is also growing day by day.4G(the 4th
Generation mobile communication, fourth generation mobile communication technology) the isomery topological network that occurs of epoch is different
In traditional isomorphism topology network architecture, what the computer produced by different manufacturers, the network equipment and system formed, and
It operates in most cases and supports different function or applications in different agreements.Wherein, UDN (Ultra-Dense
Network, super-intensive network) it is exactly that one kind keeps network node closer from user terminal, it is able to ascend power and spectrum efficiency
Isomery topological network.
C-RAN system is a kind of novel wireless network architecture, is to handle (Centralized based on centralization
Processing), collaborative radio (Collaborative Radio) and real-time cloud computing framework (Real-time Cloud
Infrastructure green wireless access network framework (Clean system)).By by baseband processing resource centralization, shape
It is managed collectively and is distributed at Base-Band Processing pond, using Collaborative, virtualization technology, realize dynamic dispatching and resource-sharing,
To reduce base station number, energy consumption is reduced, to reach more flexible and inexpensive operation.However, answering in C-RAN system
With in scene, still there is Special Handle of Drop Question caused by user terminal handover network node, influence user terminal mobility and
Data connectivity.
Summary of the invention
The embodiment of the present invention provides the cut-in method and system, control node and back end of super-intensive networking, Neng Gou
In the case where the mobility and data connectivity that guarantee user terminal, guarantee the flexibility of system.
The embodiment of the present invention provides a kind of cut-in method of super-intensive networking, comprising:
District management node obtains the access information that user terminal is sent；
The district management node selects control node group and back end group according to the access information,
In, the control node group includes at least one control node, and the back end group includes at least one back end；
The district management node sends the first instruction information to the control node group and the data section point group
Group, the first instruction information is used to indicate the control node group and the back end group is the user terminal
Service is provided；
The district management node sends the information of control node group and the information of back end group to the use
Family terminal, so that the user terminal accesses the control node group and the back end group.
The cut-in method of super-intensive networking provided in an embodiment of the present invention, since district management node can be believed according to access
Breath is user terminal selecting control node group and back end group, so that user terminal is terminated into control node group
And back end group.Accessing control node group and the collaboration of back end group is subscriber terminal service, can protected
In the case where the mobility and data connectivity of demonstrate,proving user terminal, guarantee the flexibility of system.
Optionally, the information of control node group and the information of back end group are sent in the district management node
After to the user terminal, the method also includes:
The district management node obtains the handover information that user terminal is sent；
The district management node adjusts the control node for including in the control node group according to the handover information
With the back end for including in the back end group；
The district management node sends second indication information to control node group adjusted and number adjusted
According to group of nodes, the second indication information is used to indicate the control node group adjusted and the number adjusted
Service is provided according to group of nodes for the user terminal；
The district management node send control node group adjusted information and data section point group adjusted
The information of group is to the user terminal, so that the user terminal accesses the control node group adjusted and described
Back end group adjusted.
The embodiment of the present invention provides a kind of cut-in method of super-intensive networking, comprising:
User terminal sends access information to district management node, so that the district management node is according to the access
Information selects control node group and back end group, wherein the control node group includes at least one control section
Point, the back end group include at least one back end；
The user terminal receives the information and back end for the control node group that the district management node is sent
The information of group；
The user terminal accesses the control node group and the back end group.
Optionally, described after the user terminal accesses the control node group and the back end group
Method further include:
The user terminal sends handover information to the district management node so that the district management node according to
The handover information, the number for adjusting the control node for including in the control node group and including in the back end group
According to node；
The user terminal receive the control node group adjusted that the district management node is sent information and
The information of back end group adjusted；
The user terminal accesses the control node group adjusted and the back end group adjusted.
The embodiment of the present invention provides a kind of cut-in method of super-intensive networking, comprising:
The first instruction information or second indication information that control node receiving area management node is sent, wherein described the
One instruction information is used to indicate the control node and selects to be that the user terminal provides service for the district management node
Control node group in any one node, the second indication information be used to indicate the control node be the region
Management node selects to be that the user terminal provides any one node in the control node group adjusted of service；
The control node allows the access of the user terminal, and provides control side business clothes for the user terminal
Business.
The embodiment of the present invention provides a kind of cut-in method of super-intensive networking, comprising:
The first instruction information or second indication information that back end receiving area management node is sent, wherein described the
One instruction information is used to indicate the back end and selects to be that the user terminal provides service for the district management node
Back end group in any one node, the second indication information be used to indicate the back end be the region
Management node selects to be that the user terminal provides any one node in the back end group adjusted of service；
The back end allows the access of the user terminal, and provides data side business clothes for the user terminal
Business.
The embodiment of the present invention provides a kind of district management node, and the district management node is by least one far end radio frequency list
First RRU and at least one interior baseband processing unit BBU is formed, and there are mapping relations, the regions by the RRU and the BBU
Management node includes:
Module is obtained, for obtaining the access information of user terminal transmission；
Selecting module, for it is described acquisition module obtain user terminal send access information after, according to the access
Information selects control node group and back end group, wherein the control node group includes at least one control section
Point, the back end group include at least one back end；
Sending module, for, according to the access information, selecting control node group and data in the selecting module
After group of nodes, sends the first instruction information to the control node group and the back end group, described first and refer to
Show that information is used to indicate the control node group and the back end group and provides service for the user terminal；Concurrently
The information of the information and back end group of sending control node group is to the user terminal, so that the user terminal connects
Enter the control node group and the back end group.
Optionally, the acquisition module is also used to send the information and number of control node group in the sending module
After the information to the user terminal of group of nodes, the handover information that user terminal is sent is obtained；
The district management node, further includes:
Adjust module, for it is described acquisition module obtain user terminal send handover information after, according to the switching
Information, the back end for adjusting the control node for including in the control node group and including in the back end group；
The sending module is also used to adjust the control node for including in the control node group in the adjustment module
With include in the back end group back end after, send second indication information to control node group adjusted with
And back end group adjusted, the second indication information are used to indicate the control node group adjusted and institute
It states back end group adjusted and provides service for the user terminal；Send the information of control node group adjusted with
And the information of back end group adjusted is to the user terminal, so that user terminal access is described adjusted
Control node group and the back end group adjusted.
The embodiment of the present invention provides a kind of user terminal, comprising:
Sending module, for sending access information to district management node, so that the district management node is according to institute
Access information is stated, selects control node group and back end group, wherein the control node group includes at least one
Control node, the back end group include at least one back end；
Receiving module, for receiving the region after the sending module sends access information to district management node
The information for the control node group that management node is sent and the information of back end group；
Processing module, for receiving the letter for the control node group that the district management node is sent in the receiving module
After the information of breath and back end group, the control node group and the back end group are accessed.
Optionally, the sending module is also used to access the control node group and described in the processing module
After back end group, handover information is sent to the district management node, so that the district management node is according to
Handover information, the data section for adjusting the control node for including in the control node group and including in the back end group
Point；
The receiving module is also used to after the sending module sends handover information to the district management node, connects
Receive control node group adjusted that the district management node is sent information and back end group adjusted
Information；
The processing module is also used to receive the control adjusted that the district management node is sent in the receiving module
After the information of group of nodes processed and the information of back end group adjusted, the control node group adjusted is accessed
And the back end group adjusted.
The embodiment of the present invention provides a kind of control node, the control node by least one remote radio unit (RRU) RRU and
At least one interior baseband processing unit BBU composition, there are mapping relations, the control node packets by the RRU and the BBU
It includes:
Receiving module, the first instruction information or second indication information sent for receiving area management node, wherein institute
It states the first instruction information and is used to indicate the control node and select to be that the user terminal provides for the district management node
Any one node in the control node group of service, it is described that the second indication information, which is used to indicate the control node,
District management node select be the user terminal provide in the control node group adjusted of service any one section
Point；
Processing module, the first instruction information or second for sending in receiving module receiving area management node refer to
After showing information, allow the access of the user terminal, and provide control side business service for the user terminal.
The embodiment of the present invention provides a kind of back end, the back end by least one remote radio unit (RRU) RRU and
At least one interior baseband processing unit BBU composition, there are mapping relations, the back end packets by the RRU and the BBU
It includes:
Receiving module, the first instruction information or second indication information sent for receiving area management node, wherein institute
It states the first instruction information and is used to indicate the back end and select to be that the user terminal provides for the district management node
Any one node in the back end group of service, it is described that the second indication information, which is used to indicate the back end,
District management node select be the user terminal provide in the back end group adjusted of service any one section
Point；
Processing module, the first instruction information or second for sending in receiving module receiving area management node refer to
After showing information, allow the access of the user terminal, and provide data side business service for the user terminal.
The embodiment of the present invention also provides a kind of super-intensive group network system, including the district management section with any of the above-described feature
Point, the user terminal with any of the above-described feature, at least one control node with any of the above-described feature and at least one
Back end with any of the above-described feature.
The cut-in method and system, control node and back end of super-intensive networking provided in an embodiment of the present invention, pass through
District management node obtains the access information that user terminal is sent；District management node selects control node according to access information
Group and back end group, wherein control node group includes at least one control node, and back end group includes extremely
A few back end；District management node sends the first instruction information to control node group and back end group, the
One instruction information is used to indicate control node group and back end group and provides service for user terminal；District management node
The information of control node group and the information of back end group are sent to user terminal, so that user terminal access control
Group of nodes and back end group.
Description based on the above embodiment, since district management node can be user terminal selecting according to access information
Control node group and back end group, so that user terminal is terminated into control node group and back end group.
Accessing control node group and the collaboration of back end group is subscriber terminal service, can be in the mobility for guaranteeing user terminal
In the case where data connectivity, guarantee the flexibility of system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of LTE system architecture diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram one of the cut-in method of super-intensive networking provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram two of the cut-in method of super-intensive networking provided in an embodiment of the present invention；
Fig. 4 is a kind of flow diagram three of the cut-in method of super-intensive networking provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram one of district management node provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram two of district management node provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of user terminal provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of control node provided in an embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram of back end provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Technology described in the embodiment of the present invention can be used for various super-intensive groups communication system off the net, such as 2G, 3G, 4G
Communication system and next generation communication system, such as global system for mobile communications (Global System for Mobile
Communications, GSM) etc. 2G system, CDMA (Code Division Multiple Access, CDMA) system,
Time division multiple acess (Time Division Multiple Access, TDMA) system, wideband code division multiple access (Wideband Code
Division Multiple Access Wireless, WCDMA) the 3G system such as system, long term evolution (Long Term
Evolution, LTE) the 4G system such as system and the subsequent evolution standard of LTE communication system or other similar communication system
System.
By taking LTE system as an example, Fig. 1 is a kind of LTE system architecture diagram provided in an embodiment of the present invention.LTE system includes:
MME (Mobility Management Entity, mobile management node entities), macro base station and micro-base station.
Wherein, MME can be equivalent to district management node described in the claims in the present invention, undertake core net control
Part is handled, supports activation, modification and the deactivation of mobile management function to ps domain and user plane bearer, and supports different 3GPP
Mobility between (3rd Generation Partnership Project, third generation partner program) access net, it is complete
At functions such as security controls, including authentication, signaling integrity protection and data encryption.
Macro base station can be equivalent to control node described in the claims in the present invention, be responsible for managing in its coverage area
Micro-base station.Macro base station can also include memory module, for storing location information, the current signal strength letter of each micro-base station
Breath, can the parameters such as distributing radio resource, store the information of user terminal, the essential information including user terminal access micro-base station,
So that macro base station has the function of the ambulant anticipation of user terminal；Screening module, for by calculating user terminal and micro-base station
Positional relationship, distance, in conjunction with the current radio resource allocation of micro-base station and the states such as utilize；Interactive module is used for user
Terminal and micro-base station send control information, specifically, interactive module can be sending module and receiving module.
Micro-base station can be equivalent to back end described in the claims in the present invention, and a micro-base station can be with one
Or multiple macro base station communications.When a micro-base station is managed by multiple macro base stations simultaneously, one of macro base station is main control
Node processed, other macro base stations are auxiliary control node.Micro-base station is only that user provides data service service, not responsible control and pipe
Manage function.
It should also be noted that, the terms " system " and " network " is often used interchangeably herein.Herein
Term "and/or", only it is a kind of describe affiliated partner incidence relation, indicate may exist three kinds of relationships, for example, A and/or
B can be indicated: individualism A, exist simultaneously A and B, these three situations of individualism B.In addition, character "/" herein, generally
Indicate that forward-backward correlation object is a kind of relationship of "or".
Embodiment 1
The embodiment of the present invention provides a kind of cut-in method of super-intensive networking, as shown in Fig. 2, the access of the super-intensive networking
Method includes:
S101, user terminal send access information to district management node.
Specifically, access information may include the location information of user terminal, the back end of user terminal measurement and control
The signal strength information of node processed, wherein the back end and control node of user terminal measurement can be according to user terminal
Position determine.For example, the signal strength information of back end and control node in user terminal measurement preset range, in advance
If range includes user terminal location.Preferably, user terminal can be located at the center of preset range, centered on user terminal
Preset range can be the range pre-set.In order to make it easy to understand, preset range can be set as one by we
A border circular areas, user terminal are located at the center of circle of border circular areas, preset range of the user terminal measurement centered on user terminal
The signal strength information of interior all back end and control node.
You need to add is that signal strength is used to indicate the strong of signal between user terminal and back end or control node
Degree, the intensity of signal can with but be not limited only to through channel quality between user terminal and back end or control node come table
Show.
S102, district management node obtain the access information that user terminal is sent.
Step corresponding with step S101, the user terminal of step S101 send access information to district management node,
Correspondingly, district management node obtains the access information that user terminal is sent.
S103, district management node select control node group and back end group according to access information.
Wherein, control node group includes at least one control node, and back end group includes at least one data section
Point.
Further, location information of the district management node according to access information, such as user terminal, user terminal measurement
Back end and control node signal strength information, the attribute informations such as load of combined data node and control node are
User terminal selecting is suitble to the control node group and back end group of user terminal access.
If control node group includes multiple control nodes, back end group includes multiple back end, district management
Node is also it needs to be determined that the coordination mechanism between these back end between these control nodes, such as which node carrying
The voice service of user terminal, the multimedia service etc. of which node carrying user terminal.
S104, district management node send the first instruction information to control node group and back end group.
First instruction information is used to indicate control node group and back end group and provides service for user terminal.
It should be noted that the process that district management node sends the first instruction information to control node group may include
District management node sends the first all control nodes of the instruction information into control node group, and district management node sends the
The process of one instruction information to back end group may include that district management node sends the first instruction information to back end
All back end in group.
The first instruction information that S105, control node receiving area management node are sent.
Wherein, the first instruction information is used to indicate control node and selects to be that user terminal provides clothes for district management node
Any one node in the control node group of business.
Step corresponding with step S104, the district management node of step S104 send the first instruction information to controlling section
Point group and back end group, correspondingly, the first instruction information that control node receiving area management node is sent.
The first instruction information that S106, back end receiving area management node are sent.
Wherein, the first instruction information is used to indicate back end and selects to be that user terminal provides clothes for district management node
Any one node in the back end group of business.
Step corresponding with step S104, the district management node of step S104 send the first instruction information to controlling section
Point group and back end group, correspondingly, the first instruction information that back end receiving area management node is sent.
It should be noted that step S105 and step S106 are not carried out successive relationship, control node can be received first
The first instruction information that district management node is sent, the first instruction that can also be sent with back end elder generation receiving area management node
Information；Can be with back end and control node the first instruction information that receiving area management node is sent simultaneously, the present invention is not
It is limited.
The information of S107, the information of district management node transmission control node group and back end group are whole to user
End.
It should be noted that information and back end group of the district management node in addition to sending control node group
Outside information to user terminal, user identifier can also be sent to user terminal.
It should also be noted that, step S104 and step S107 are not carried out successive relationship, district management node can be with
The first instruction information is first sent to control node group and back end group, the rear information for sending control node group and
The information of back end group is to user terminal；Information and the back end group of control node group can also first be sent
Information is to user terminal, and the rear first instruction information that sends is to control node group and back end group；It can also send out simultaneously
The information of the information and back end group of sending control node group sends the first instruction information to controlling section to user terminal
Point group and back end group, the present invention is with no restrictions.
The information for the control node group that S108, user terminal receiving area management node are sent and back end group
Information.
Step corresponding with step S107, the district management node of step S107 send the information of control node group with
And the information of back end group is to user terminal, correspondingly, the control node that user terminal receiving area management node is sent
The information of group and the information of back end group.
S109, user terminal access control node group and back end group.
S110, control node allow the access of user terminal, and provide control side business service for user terminal.
S111, back end allow the access of user terminal, and provide data side business service for user terminal.
From step S110 and S111 it is recognised that control node only provides control side business service, data to user terminal
Node only provides data side business service to user terminal, and the business for controlling side and data side is separated, and can guarantee user
In the case where the mobility and data connectivity of terminal, the flexibility of system is improved.
You need to add is that after user terminal accesses control node group and back end group, if user terminal
When control node and back end in control node group and back end group to access being needed to switch over, then hold
The step of row following S112-S122, conversely, the step of need not then executing following S112-S122.
S112, user terminal send handover information to district management node.
When user terminal is in the control node group and back end group of moving condition or user terminal access
When the overload of interior control node and back end, user terminal can be to the control node group of access and data section
Control node and back end in point group switch over.Specifically, handover information may include the position letter of user terminal
Breath, the back end of user terminal measurement and the signal strength information of control node.
S113, district management node obtain the handover information that user terminal is sent.
Step corresponding with step S112, the user terminal of step S112 send handover information to district management node,
Correspondingly, district management node obtains the handover information that user terminal is sent.
S114, district management node adjust the control node and data for including in control node group according to handover information
The back end for including in group of nodes.
It should be noted that the control node and data node cluster that include in district management node adjustment control node group
The specific steps for the back end for including in group may include: district management node to the control section for including in control node group
The back end for including in point and data group of nodes is deleted and is added.District management node is to control node group Nei Bao
Operation is deleted and added to the back end for including in the control node and data group of nodes included, which to guarantee as much as possible,
There are back end and control node to provide service for user terminal, during deletion and addition to guarantee the continuous of business
Property.
Wherein, district management node to including in the control node and data group of nodes for including in control node group
The process that back end is deleted and added can be identical as above-mentioned steps S103, and details are not described herein again.
S115, district management node send second indication information to control node group adjusted and number adjusted
According to group of nodes.
Second indication information is used to indicate control node group adjusted and back end group adjusted to use
Family terminal provides service.
It should be noted that district management node sends the process of second indication information to control node group adjusted
It may include that district management node sends all control nodes of the second indication information into control node group adjusted, area
The process that domain management node sends second indication information to back end group adjusted may include district management node hair
Send all back end of the second indication information into back end group adjusted.
The second indication information that S116, control node receiving area management node are sent.
Wherein, second indication information is used to indicate control node and selects to be that user terminal provides clothes for district management node
Any one node in the control node group adjusted of business.
Step corresponding with step S115, the district management node of step S115 send second indication information to after adjusting
Control node group and back end group adjusted, correspondingly, control node receiving area management node send
Second indication information.
The second indication information that S117, back end receiving area management node are sent.
Wherein, second indication information is used to indicate back end and selects to be that user terminal provides clothes for district management node
Any one node in the back end group adjusted of business.
Step corresponding with step S115, the district management node of step S115 send second indication information to after adjusting
Back end group and back end group adjusted, correspondingly, back end receiving area management node send
Second indication information.
It should be noted that step S116 and step S117 are not carried out successive relationship, control node can be received first
The second indication information that district management node is sent, the second instruction that can also be sent with back end elder generation receiving area management node
Information；Can be with back end and the control node second indication information that receiving area management node is sent simultaneously, the present invention is not
It is limited.
S118, district management node send control node group adjusted information and data section point group adjusted
The information of group is to user terminal.
It should be noted that after information and adjustment of the district management node in addition to sending control node group adjusted
Back end group information to user terminal outside, user identifier can also be sent to user terminal.
It should also be noted that, step S115 and step S118 are not carried out successive relationship, district management node can be with
Second indication information is first sent to control node group adjusted and back end group adjusted, is sent after adjusting afterwards
Control node group information and back end group adjusted information to user terminal；Adjustment can also first be sent
The information of control node group afterwards and the information of back end group adjusted are rear to send the second instruction to user terminal
Information is to control node group adjusted and back end group adjusted；Control adjusted can also be sent simultaneously
The information of group of nodes and the information of back end group adjusted send second indication information to adjustment to user terminal
Control node group and back end group adjusted afterwards, the present invention is with no restrictions.
The information and adjustment for the control node group adjusted that S119, user terminal receiving area management node are sent
The information of back end group afterwards.
The district management node of step corresponding with step S118, step S118 sends control node group adjusted
Information and back end group adjusted information to user terminal, correspondingly, user terminal receiving area management section
The information for the control node group adjusted that point is sent and the information of back end group adjusted.
S120, user terminal access control node group adjusted and back end group adjusted.
S121, control node allow the access of user terminal, and provide control side business service for user terminal.
S122, back end allow the access of user terminal, and provide data side business service for user terminal.
It should be noted that if control node belongs to control node group and is not belonging to control node group adjusted,
Or back end belongs to back end group and is not belonging to back end group adjusted, then, control node or number
It needs to disconnect according to node and be linked with user terminal, no longer provide service for user terminal.
Illustratively, as shown in figure 3, the cut-in method of the super-intensive networking includes:
S201, user terminal send access information to district management node.
S202, district management node obtain the access information that user terminal is sent.
S203, district management node select control node group and back end group according to access information.
Wherein, control node group includes 3 control nodes (control node 1, control node 2 and control node 3), data
Group of nodes includes 3 back end (back end 1, back end 2 and back end 3).
S204, district management node send the first instruction information to control node group and back end group.
I.e. district management node sends the first instruction information to control node 1, control node 2 and control node 3 and number
According to node 1, back end 2 and back end 3.
The first instruction letter that S205, control node 1, control node 2 and 3 receiving area management node of control node are sent
Breath.
The first instruction letter that S206, back end 1, back end 2 and 3 receiving area management node of back end are sent
Breath.
S207, district management node send control node 1, the information and back end of control node 2 and control node 3
1, the information of back end 2 and back end 3 is to user terminal.
The letter of S208, the control node 1 that user terminal receiving area management node is sent, control node 2 and control node 3
The information of breath and back end 1, back end 2 and back end 3
S209, user terminal access control node 1, control node 2 and control node 3 and back end 1, back end
2 and back end 3.
S210, control node 1, control node 2 and control node 3 allow the access of user terminal, and mention for user terminal
For controlling side business service.
S211, back end 1, back end 2 and back end 3 allow the access of user terminal, and mention for user terminal
For data side business service.
S212, user terminal send handover information to district management node.
When user terminal is in moving condition, user terminal detects the signal strength of back end 1 and control node 1
Smaller and smaller, then user terminal sends handover information to district management node.
S213, district management node obtain the handover information that user terminal is sent.
S214, district management node adjust the control node and data for including in control node group according to handover information
The back end for including in group of nodes.
Wherein, control node group includes 3 control nodes (control node 2, control node 3 and control nodes after adjustment
4), back end group includes 4 back end (back end 2, back end 3, back end 4 and back end 5).
S215, district management node send second indication information to control node group adjusted and number adjusted
According to group of nodes.
I.e. district management node sends second indication information to control node 2, control node 3 and control node 4 and number
According to node 2, back end 3, back end 4 and back end 5.
The second instruction letter that S216, control node 2, control node 3 and 4 receiving area management node of control node are sent
Breath.
S217, back end 2, back end 3, back end 4 and 5 receiving area management node of back end send the
Two instruction information.
S218, district management node send control node 2, the information and back end of control node 3 and control node 4
2, the information of back end 3, back end 4 and back end 5 is to user terminal.
The letter of S219, the control node 2 that user terminal receiving area management node is sent, control node 3 and control node 4
The information of breath and back end 2, back end 3, back end 4 and back end 5.
S220, user terminal access control node 2, control node 3 and control node 4 and back end 2, back end
3, back end 4 and back end 5.
S221, control node 2, control node 3 and control node 4 allow the access of user terminal, and mention for user terminal
For controlling side business service.
It should be noted that since user terminal has just accessed control node 2 and control node 3 originally, such as Fig. 4
Shown, step S221 control node 2, control node 3 and control node 4 allow the access of user terminal, and mention for user terminal
It is specifically included for control side business service:
S221a, user terminal disconnect the connection with control node 1.
S221b, control node 4 allow the access of user terminal, and provide control side business service for user terminal.
S222, back end 2, back end 3, back end 4 and back end 5 allow the access of user terminal, and are
User terminal provides data side business service.
It should be noted that since user terminal has just accessed back end 2 and back end 3 originally, step
S222 back end 2, back end 3, back end 4 and back end 5 allow the access of user terminal, and mention for user terminal
It is specifically included for data side business service:
S222a, user terminal disconnect the connection with back end 1.
S222b, back end 4 and back end 5 allow the access of user terminal, and provide data side industry for user terminal
Business service.
It should be noted that mapping relations back end provided in an embodiment of the present invention, control node and district management section
Point can be by least one RRU (Radio Remote Unit, remote radio unit (RRU)) and at least one BBU (Building
Base band Unit, indoor baseband processing unit) composition, there are mapping relations by RRU and BBU.One RRU can with it is multiple
BBU is there are mapping relations, and one BBU can also there are mapping relations with a RRU, wherein BBU can integrate in arbitrary object
Physically, the present invention is without limitation for body.
The cut-in method of super-intensive networking provided in an embodiment of the present invention obtains user terminal hair by district management node
The access information sent；District management node selects control node group and back end group according to access information, wherein
Control node group includes at least one control node, and back end group includes at least one back end；District management section
Point sends the first instruction information to control node group and back end group, and the first instruction information is used to indicate control node
Group and back end group provide service for user terminal；District management node send control node group information and
The information of back end group is to user terminal, so that user terminal access control node group and back end group.
Description based on the above embodiment, since district management node can be user terminal selecting according to access information
Control node group and back end group, so that user terminal is terminated into control node group and back end group.
Accessing control node group and the collaboration of back end group is subscriber terminal service, can be in the mobility for guaranteeing user terminal
In the case where data connectivity, guarantee the flexibility of system.
Embodiment 2
The embodiment of the present invention provides a kind of district management node, as shown in figure 5, district management node is by least one distal end
Radio frequency unit RRU and at least one interior baseband processing unit BBU is formed, and there are mapping relations by RRU and BBU.District management section
Point is for executing step performed by the district management node in above method.District management node may include corresponding steps institute
Corresponding module.It illustratively, may include obtaining module 10, selecting module 11 and sending module 12.
Module 10 is obtained, for obtaining the access information of user terminal transmission.
Selecting module 11, for after obtaining module 10 and obtaining the access information that user terminal is sent, according to access information,
Select control node group and back end group, wherein control node group includes at least one control node, data section
Point group includes at least one back end.
Sending module 12, for, according to access information, selecting control node group and back end in selecting module 11
After group, the first instruction information is sent to control node group and back end group, the first instruction information is used to indicate control
Group of nodes processed and back end group provide service for user terminal；And send the information and data of control node group
The information of group of nodes is to user terminal, so that user terminal access control node group and back end group.
Optionally, module 10 is obtained, is also used to send the information and data section of control node group in sending module 12
After the information to user terminal of point group, the handover information that user terminal is sent is obtained.
As shown in fig. 6, district management node, further includes:
Module 13 is adjusted, for after obtaining module 10 and obtaining the handover information that user terminal is sent, according to handover information,
The back end for including in the control node and data group of nodes for including in adjustment control node group.
Sending module 12 is also used to adjust the control node and data section for including in control node group in adjustment module 13
After the back end for including in point group, second indication information is sent to control node group adjusted and number adjusted
According to group of nodes, second indication information is used to indicate control node group adjusted and back end group adjusted is
User terminal provides service；Send the information of control node group adjusted and the information of back end group adjusted
To user terminal, so that user terminal accesses control node group adjusted and back end group adjusted.
It is understood that the district management node of the present embodiment can correspond to it is above-mentioned as Fig. 2, Fig. 3 and Fig. 4 are one of any
Embodiment super-intensive networking cut-in method in district management node, and in the district management node of the present embodiment
The division of modules and/or function etc. be for realizing as Fig. 2, Fig. 3 and Fig. 4 it is one of any shown in method flow, be
Brief introduction, details are not described herein.
Optionally, as another embodiment of the invention, the function of obtaining module 10 can be realized by receiver, be selected
The function of module 11 and adjustment module 13 can be realized that the function of sending module 12 can be realized by transmitter by processor.Its
In, receiver and transmitter can integrate in a transceiver.
The embodiment of the present invention provides a kind of district management node, and district management node is by least one remote radio unit (RRU)
RRU and at least one interior baseband processing unit BBU is formed, and there are mapping relations, district management node includes: to obtain by RRU and BBU
Modulus block, for obtaining the access information of user terminal transmission；Selecting module, for obtaining module acquisition user terminal transmission
Access information after, according to access information, select control node group and back end group, wherein control node group
Including at least one control node, back end group includes at least one back end；Sending module, in selecting module
According to access information, after selecting control node group and back end group, the first instruction information is sent to control node group
Group and back end group, the first instruction information is used to indicate control node group and back end group is user terminal
Service is provided；And the information of control node group and the information of back end group are sent to user terminal, so that user
Terminal accesses control node group and back end group.
Description based on the above embodiment, since district management node can be user terminal selecting according to access information
Control node group and back end group, so that user terminal is terminated into control node group and back end group.
Accessing control node group and the collaboration of back end group is subscriber terminal service, can be in the mobility for guaranteeing user terminal
In the case where data connectivity, guarantee the flexibility of system.
Embodiment 3
The embodiment of the present invention provides a kind of user terminal, as shown in fig. 7, user terminal is used to execute the use in above method
Step performed by the terminal of family.User terminal may include module corresponding to corresponding steps.It illustratively, may include sending
Module 20, receiving module 21 and processing module 22.
Sending module 20, for sending access information to district management node, so that district management node is according to access
Information selects control node group and back end group, wherein and control node group includes at least one control node,
Back end group includes at least one back end.
Receiving module 21, for after sending module 20 sends access information to district management node, receiving area to be managed
The information for the control node group that node is sent and the information of back end group.
Processing module 22, the information of the control node group for being sent in 21 receiving area management node of receiving module with
And after the information of back end group, control node group and back end group are accessed.
Optionally, sending module 20 are also used to access control node group and back end group in processing module 22
Afterwards, handover information is sent to district management node, so that district management node adjusts control node group according to handover information
The back end for including in the control node and data group of nodes for inside including.
Receiving module 21 is also used to after sending module 20 sends handover information to district management node, receiving area pipe
Manage the information for the control node group adjusted that node is sent and the information of back end group adjusted.
Processing module 22 is also used to the control node group adjusted sent in 21 receiving area management node of receiving module
After the information of group and the information of back end group adjusted, control node group adjusted and adjusted is accessed
Back end group.
It is understood that the user terminal of the present embodiment can be back end or control node in above-described embodiment
Lower serviced user terminal, user terminal can correspond to the super-intensive of above-mentioned as one of any embodiment such as Fig. 2, Fig. 3 and Fig. 4
User terminal in the cut-in method of networking, and the division and/or function of the modules in the user terminal of the present embodiment
Etc. be for realizing as Fig. 2, Fig. 3 and Fig. 4 it is one of any shown in method flow, for sake of simplicity, details are not described herein.
Optionally, as another embodiment of the invention, the function of sending module 20 can be realized by transmitter, be received
The function of module 21 can be realized that the function of processing module 22 can be realized by processor by receiver.Wherein, receiver and hair
Device is sent to can integrate in a transceiver.
The embodiment of the present invention provides a kind of user terminal, comprising: sending module, for sending access information to district management
Node, so that district management node selects control node group and back end group according to access information, wherein control
Group of nodes processed includes at least one control node, and back end group includes at least one back end；Receiving module is used for
After sending module sends access information to district management node, the letter for the control node group that receiving area management node is sent
The information of breath and back end group；Processing module, the control section for being sent in receiving module receiving area management node
After the information of point group and the information of back end group, control node group and back end group are accessed.
Description based on the above embodiment, since district management node can be user terminal selecting according to access information
Control node group and back end group, so that user terminal is terminated into control node group and back end group.
Accessing control node group and the collaboration of back end group is subscriber terminal service, can be in the mobility for guaranteeing user terminal
In the case where data connectivity, guarantee the flexibility of system.
Embodiment 4
The embodiment of the present invention provides a kind of control node, as shown in figure 8, control node is by least one remote radio unit (RRU)
RRU and at least one interior baseband processing unit BBU is formed, and there are mapping relations by RRU and BBU.Control node for execute with
Step performed by control node in upper method.Control node may include module corresponding to corresponding steps.Illustratively,
It may include receiving module 30 and processing module 31.
Receiving module 30, the first instruction information or second indication information sent for receiving area management node, wherein
First instruction information is used to indicate control node and selects to be that user terminal provides the control node of service for district management node
Any one node in group, it is that district management node selects to be user's end that second indication information, which is used to indicate control node,
End provides any one node in the control node group adjusted of service.
Processing module 31, the first instruction information or second for sending in 30 receiving area management node of receiving module refer to
After showing information, allow the access of user terminal, and provide control side business service for user terminal.
It is understood that the control node of the present embodiment corresponds to above-mentioned as one of any reality such as Fig. 2, Fig. 3 and Fig. 4
Apply the control node in the cut-in method of the super-intensive networking of example, and stroke of the modules in the control node of the present embodiment
Point and/or function etc. be for realizing as Fig. 2, Fig. 3 and Fig. 4 it is one of any shown in method flow, for sake of simplicity, herein not
It repeats again.
Optionally, as another embodiment of the invention, the function of receiving module 30 can be realized by receiver, processing
The function of module 31 can be realized by processor.
The embodiment of the present invention provides a kind of control node, and control node is by least one remote radio unit (RRU) RRU and at least
One interior baseband processing unit BBU composition, RRU and BBU are there are mapping relations, and control node includes: receiving module, for connecing
Receive the first instruction information or second indication information that district management node is sent, wherein the first instruction information is used to indicate control
Node selects to be that user terminal provides any one node in the control node group of service for district management node, and second
Instruction information is used to indicate control node and selects to be that user terminal provides the control adjusted of service for district management node
Any one node in group of nodes；Processing module, first for sending in receiving module receiving area management node refers to
After showing information or second indication information, allow the access of user terminal, and provide control side business service for user terminal.
Description based on the above embodiment, since district management node can be user terminal selecting according to access information
Control node group and back end group, so that user terminal is terminated into control node group and back end group.
Accessing control node group and the collaboration of back end group is subscriber terminal service, can be in the mobility for guaranteeing user terminal
In the case where data connectivity, guarantee the flexibility of system.
Embodiment 5
The embodiment of the present invention provides a kind of back end, as shown in figure 9, back end is by least one remote radio unit (RRU)
RRU and at least one interior baseband processing unit BBU is formed, and there are mapping relations by RRU and BBU.Back end for execute with
Step performed by back end in upper method.Back end may include module corresponding to corresponding steps.Illustratively,
It may include receiving module 40 and processing module 41.
Receiving module 40, the first instruction information or second indication information sent for receiving area management node, wherein
First instruction information is used to indicate back end and selects to be that user terminal provides the back end of service for district management node
Any one node in group, it is that district management node selects to be user's end that second indication information, which is used to indicate back end,
End provides any one node in the back end group adjusted of service.
Processing module 41, the first instruction information or the second instruction for being sent in receiving module receiving area management node
After information, allow the access of user terminal, and provide data side business service for user terminal.
It is understood that the back end of the present embodiment corresponds to above-mentioned as one of any reality such as Fig. 2, Fig. 3 and Fig. 4
Apply the back end in the cut-in method of the super-intensive networking of example, and stroke of the modules in the back end of the present embodiment
Point and/or function etc. be for realizing as Fig. 2, Fig. 3 and Fig. 4 it is one of any shown in method flow, for sake of simplicity, herein not
It repeats again.
Optionally, as another embodiment of the invention, the function of receiving module 40 can be realized by receiver, processing
The function of module 41 can be realized by processor.
The embodiment of the present invention provides a kind of back end, and back end is by least one remote radio unit (RRU) RRU and at least
One interior baseband processing unit BBU composition, RRU and BBU are there are mapping relations, and back end includes: receiving module, for connecing
Receive the first instruction information or second indication information that district management node is sent, wherein the first instruction information is used to indicate data
Node selects to be that user terminal provides any one node in the back end group of service for district management node, and second
Instruction information is used to indicate back end and selects to be that user terminal provides the data adjusted of service for district management node
Any one node in group of nodes；Processing module, first for sending in receiving module receiving area management node refers to
After showing information or second indication information, allow the access of user terminal, and provide data side business service for user terminal.
Description based on the above embodiment, since district management node can be user terminal selecting according to access information
Control node group and back end group, so that user terminal is terminated into control node group and back end group.
Accessing control node group and the collaboration of back end group is subscriber terminal service, can be in the mobility for guaranteeing user terminal
In the case where data connectivity, guarantee the flexibility of system.
Embodiment 6
The embodiment of the present invention provides a kind of super-intensive group network system, which includes district management node, user terminal, extremely
A few control node and at least one back end.For district management node description for details, reference can be made to above-mentioned such as Fig. 5 or
To the associated description of district management node in embodiment shown in fig. 6, for user terminal description for details, reference can be made to it is above-mentioned such as
To the associated description of user terminal in embodiment shown in Fig. 7, for the description of control node, for details, reference can be made to above-mentioned such as Fig. 8 institute
To the associated description of control node in the embodiment shown, for the description of back end, for details, reference can be made to above-mentioned as shown in Figure 9
To the associated description of back end in embodiment, details are not described herein again.
Description based on the above embodiment, since district management node can be user terminal selecting according to access information
Control node group and back end group, so that user terminal is terminated into control node group and back end group.
Accessing control node group and the collaboration of back end group is subscriber terminal service, can be in the mobility for guaranteeing user terminal
In the case where data connectivity, guarantee the flexibility of system.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds
Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of function described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description, can be with reference to corresponding in preceding method embodiment
Journey, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. a kind of cut-in method of super-intensive networking characterized by comprising
District management node obtains the access information that user terminal is sent；The access information includes the position letter of user terminal
The signal strength information of breath, the back end of user terminal measurement and control node；
The district management node selects control node group and back end group, wherein institute according to the access information
Stating control node group includes at least one control node, and the back end group includes at least one back end；
The district management node sends the first instruction information to the control node group and the back end group, institute
State that the first instruction information is used to indicate the control node group and the back end group provides for the user terminal
Service；
The information of district management node transmission control node group and the information of back end group are whole to the user
End, so that the user terminal accesses the control node group and the back end group.
2. the cut-in method of super-intensive networking according to claim 1, which is characterized in that sent out in the district management node
After sending the information of control node group and the information to the user terminal of back end group, the method also includes:
The district management node obtains the handover information that user terminal is sent；The handover information includes the position of user terminal
The signal strength information of information, the back end of user terminal measurement and control node；
The district management node adjusts the control node for including in the control node group and institute according to the handover information
State the back end for including in back end group；
The district management node sends second indication information to control node group adjusted and data section adjusted
Point group, the second indication information are used to indicate the control node group adjusted and the data section adjusted
Point group provides service for the user terminal；
The district management node send control node group adjusted information and back end group adjusted
Information is to the user terminal, so that the user terminal accesses the control node group adjusted and the adjustment
Back end group afterwards.
3. a kind of cut-in method of super-intensive networking characterized by comprising
User terminal sends access information to district management node, so that the district management node is believed according to the access
Breath selects control node group and back end group, wherein the control node group includes at least one control section
Point, the back end group include at least one back end；The access information includes the location information of user terminal, uses
The back end of family terminal measurement and the signal strength information of control node；
The user terminal receives information and the back end group for the control node group that the district management node is sent
Information；
The user terminal accesses the control node group and the back end group.
4. the cut-in method of super-intensive networking according to claim 3, which is characterized in that access institute in the user terminal
After stating control node group and the back end group, the method also includes:
The user terminal sends handover information to the district management node, so that the district management node is according to
Handover information, the data section for adjusting the control node for including in the control node group and including in the back end group
Point；The handover information includes the signal of the location information of user terminal, the back end of user terminal measurement and control node
Strength information；
The user terminal receives the information and adjustment for the control node group adjusted that the district management node is sent
The information of back end group afterwards；
The user terminal accesses the control node group adjusted and the back end group adjusted.
5. a kind of district management node, which is characterized in that the district management node by least one remote radio unit (RRU) RRU and
At least one interior baseband processing unit BBU composition, there are mapping relations, the district management nodes by the RRU and the BBU
Include:
Module is obtained, for obtaining the access information of user terminal transmission；The access information includes the position letter of user terminal
The signal strength information of breath, the back end of user terminal measurement and control node；
Selecting module, for after the acquisition module obtains the access information that user terminal is sent, according to the access information,
Select control node group and back end group, wherein the control node group includes at least one control node, institute
Stating back end group includes at least one back end；
Sending module, for, according to the access information, selecting control node group and back end in the selecting module
After group, the first instruction information is sent to the control node group and the back end group, the first instruction letter
Breath is used to indicate the control node group and the back end group and provides service for the user terminal；And send control
The information of group of nodes processed and the information of back end group are to the user terminal, so that the user terminal accesses institute
State control node group and the back end group.
6. district management node according to claim 5, which is characterized in that
The acquisition module is also used to send information and the back end group of control node group in the sending module
After information to the user terminal, the handover information that user terminal is sent is obtained；The handover information includes the position of user terminal
The signal strength information of confidence breath, the back end of user terminal measurement and control node；
The district management node, further includes:
Module is adjusted, for after the acquisition module obtains the handover information that user terminal is sent, according to the handover information,
The back end for adjusting the control node for including in the control node group and including in the back end group；
The sending module is also used to adjust the control node for including in the control node group and institute in the adjustment module
After stating the back end for including in back end group, second indication information is sent to control node group adjusted and tune
Back end group after whole, the second indication information are used to indicate the control node group adjusted and the tune
Back end group after whole provides service for the user terminal；Send the information and tune of control node group adjusted
The information of back end group after whole is to the user terminal, so that the user terminal accesses the control adjusted
Group of nodes and the back end group adjusted.
7. a kind of user terminal characterized by comprising
Sending module, for sending access information to district management node, so that the district management node connects according to
Enter information, selects control node group and back end group, wherein the control node group includes at least one control
Node, the back end group include at least one back end；The access information include user terminal location information,
The back end of user terminal measurement and the signal strength information of control node；
Receiving module, for receiving the district management after the sending module sends access information to district management node
The information for the control node group that node is sent and the information of back end group；
Processing module, for received in the receiving module information for the control node group that the district management node is sent with
And after the information of back end group, the control node group and the back end group are accessed.
8. user terminal according to claim 7, which is characterized in that
The sending module is also used to access the control node group and the back end group in the processing module
Afterwards, handover information is sent to the district management node, so that the district management node is according to the handover information, adjustment
The control node for including in the control node group and the back end for including in the back end group；The switching letter
Breath includes location information, the back end of user terminal measurement and the signal strength information of control node of user terminal；
The receiving module is also used to after the sending module sends handover information to the district management node, receives institute
State the information of the control node group adjusted of district management node transmission and the information of back end group adjusted；
The processing module is also used to receive the control section adjusted that the district management node is sent in the receiving module
After the information of point group and the information of back end group adjusted, access the control node group adjusted and
The back end group adjusted.
9. a kind of super-intensive group network system, which is characterized in that including have as district management node described in claim 5 or 6,
With user terminal as claimed in claim 7 or 8, at least one control node and at least one back end.
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