CN102843729B - CoMP system information updating method and main serving cell - Google Patents
CoMP system information updating method and main serving cell Download PDFInfo
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- CN102843729B CN102843729B CN201110169704.8A CN201110169704A CN102843729B CN 102843729 B CN102843729 B CN 102843729B CN 201110169704 A CN201110169704 A CN 201110169704A CN 102843729 B CN102843729 B CN 102843729B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
Abstract
The invention provides a kind of CoMP system information updating method and main serving cell, the method includes：Main serving cell updates its CoMP system information for being preserved according to the change of the attribute of cooperation cell, and the attribute of wherein cooperation cell includes that type of service is supported in the load condition of cooperation cell and/or cooperation cell；Main serving cell sends CoMP system broadcast to cooperation UE；Cooperation UE updates the CoMP system information for itself being preserved according to broadcast.By the present invention, the renewal of CoMP system information is carried out come the UE that notifies to cooperate using the change of the attribute according to cooperation cell, opportunity irrational problem is issued so as to solve the system information in existing CoMP system, cooperation UE and the information exchange of network side is reduced, is improve throughput of system.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of CoMP (Cooperative Multi-Point, multiple spot
Cooperation) system information update method and main serving cell.
Background technology
CoMP transmission technology is introduced in LTE_A (Long Term Evolution Advanced, senior long term evolution)
Afterwards, by network side, the selection of cooperation cell both can determine that can also be based on UE sides intelligently chooses, and is chosen based on UE intelligent associations
Cooperation cell set thought be：Serving cell collects the load status information of all adjacent areas and business information can be supported in adjacent area,
The neighboring BS information that collects and the information on load of oneself and the business information that can be supported are sent by Serving cell by broadcast
Collaboration user is given, collaboration user is obtained each adjacent cell load and can be supported business information by reception system broadcast message, is cooperated
User carries out priority queueing according to information on load to each adjacent area, obtains a priority query of each adjacent area load condition.Again
Each adjacent area is measured, according to measurement result RSRP and SINR (Signal to Interference plus Noise
Ratio the cooperation cell collection of the collaboration user) is finally determined with reference to load priority queue.When carrying out cooperation cell based on UE sides
During selection, it is not quite reasonable that the system information in existing CoMP system issues opportunity so that the CoMP system letter of collaboration user
Breath frequent updating, increased interacting for cooperation UE and network side, have impact on the selection efficiency of cooperation cell.
Content of the invention
Present invention is primarily targeted at a kind of CoMP system information updating method and main serving cell are provided, at least to solve
Certainly the problems referred to above.
According to an aspect of the invention, there is provided a kind of CoMP system information updating method, including：Main serving cell root
Its CoMP system information for being preserved is updated according to the change of the attribute of cooperation cell, the attribute of wherein cooperation cell includes cooperating little
Support type of service in the load condition in area and/or cooperation cell；Main serving cell sends CoMP system broadcast to cooperation UE；
Cooperation UE updates the CoMP system information for itself being preserved according to broadcast.
Preferably, main serving cell updates its CoMP system packet for being preserved according to the change of the attribute of cooperation cell
Include：When the load of cooperation cell exceedes predetermined threshold value, main serving cell updates the CoMP system information preserved by which.
Preferably, main serving cell updates its CoMP system packet for being preserved according to the change of the attribute of cooperation cell
Include：When the business that cooperation cell does not support cooperation UE to choose, main serving cell is chosen according to the cooperation cell that cooperation UE is reported
As a result updating its CoMP system information for being preserved.
Preferably, main serving cell updates its CoMP system packet for being preserved according to the change of the attribute of cooperation cell
Include：When the business that the resource of cooperation cell is unsatisfactory for cooperation UE selections is taken, the association that main serving cell is reported according to cooperation UE
Make cell to choose result to update the CoMP system information preserved by which.
Preferably, the system information block 1 of broadcast cell access relevant information in carry at least following information it
One：Cooperation cell load condition, the corresponding weight coefficient of cooperation cell load condition, cooperation cell load condition exceed threshold value
Flag bit, cooperation cell support that type of service, cooperation cell support that the corresponding weight coefficient of type of service, cooperation cell support industry
Service type changes flag bit.
Preferably, carry in the homogeneous-frequency adjacent-domain information of the system information block 4 of broadcast cooperation cell load condition and/
Or traffic type information is supported in cooperation cell.
Preferably, cooperation UE updates the CoMP system information for itself being preserved according to broadcast includes：Cooperation UE according to
Cooperation cell load condition in broadcast exceedes threshold value flag bit or cooperation cell supports that type of service changes flag bit
To judge whether to update the CoMP system information for itself being preserved；If it is, updating the CoMP system letter for itself being preserved
Breath.
According to a further aspect in the invention, there is provided a kind of main serving cell, including：Update module, for according to cooperation
The change of the attribute of cell updates the CoMP system information preserved by main serving cell, and the attribute of wherein cooperation cell includes cooperating
Support type of service in the load condition of cell and/or cooperation cell；Transceiver module, for sending CoMP system broadcast to cooperation UE
Message, wherein, broadcast updates its CoMP system information for being preserved for the UE that cooperates.
Preferably, update module includes：First updates submodule, exceedes predetermined thresholding for the load when cooperation cell
During value, the CoMP system information preserved by main serving cell is updated.
Preferably, update module includes：Second updates submodule, for not supporting the industry of cooperation UE selections when cooperation cell
During business, the CoMP system information preserved by main serving cell is updated.
Preferably, update module includes：3rd updates submodule, for not supporting the industry of cooperation UE selections when cooperation cell
During business, the CoMP system information preserved by main serving cell is updated.
By the present invention, CoMP system information is carried out come the UE that notifies to cooperate using the change of the attribute according to cooperation cell
Update, issue opportunity irrational problem so as to solve the system information in existing CoMP system, reduce cooperation UE with
The information exchange of network side, improves throughput of system.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is according to the Serving cell of correlation technique, adjacent cell and cooperation cell collection distribution schematic diagram；
Fig. 2 is according to embodiments of the present invention one CoMP system information updating method flow chart；
Fig. 3 is according to embodiments of the present invention two CoMP system information updating method flow chart；
Fig. 4 is that according to embodiments of the present invention three non-CoMP system broadcast message issues interaction figure；
Fig. 5 is according to embodiments of the present invention four to issue CoMP system broadcast message interaction figure；
Fig. 6 is that according to embodiments of the present invention five cooperation cell changing load updates CoMP system broadcast message interaction figure；
Fig. 7 is that according to embodiments of the present invention six collaboration user is initiated particular service and changes cooperation cell and update CoMP systems
System broadcast message interaction figure；
Fig. 8 is that according to embodiments of the present invention seven main serving cell changes renewal CoMP system broadcast message interaction figure；
Fig. 9 is that according to embodiments of the present invention eight collaboration user removes collaboration region renewal cooperation cell set schematic diagram；
Figure 10 is to be updated to non-COMP systems when according to embodiments of the present invention eight collaboration user removes CoMP collaboration regions
Broadcast message interaction figure；
Figure 11 is according to embodiments of the present invention nine main serving cell modular structure schematic diagram.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
In the 3 gpp standards, Serving cell, the concept of adjacent area cell have been exactly defined.Serving cell：By PDCCH to
UE sends broadcast message and the cell of Physical layer control information is referred to as Serving cell.Adjacent area cell：Adjacent with Serving cell is little
Area.
Separately also need to introduce several concepts：Collaboration user (cooperation UE), cooperation cell collection, cooperation cell, main serving cell, auxiliary
Cell.Collaboration user：The interference that cell edge is subject to is than larger user.Cooperation cell collection：Directly or indirectly participate in passing UE
The set of cells of transmission of data, including participative decision making and the cell of scheduling process.Cooperation cell：Belong to little in the collection of cooperation cell
Area.Main serving cell：Belong to cooperation cell collection, and the Serving cell of master control collaboration user.Secondary cell：Belong to cooperation cell collection,
But it is not belonging to the cooperative scheduling cell of main serving cell.Wherein, main serving cell, secondary cell and cooperation cell collection distribution such as Fig. 1
Shown.
Cooperation cell collection is chosen, the determination of collaboration user and adjacent cell are chosen and do not belonged to the scope of the present invention, and here is not retouched
State.
Embodiment one
Fig. 2 is according to embodiments of the present invention one CoMP system information updating method flow chart, as shown in Fig. 2 including with
Lower step：
Step S202, main serving cell update its CoMP system letter for being preserved according to the change of the attribute of cooperation cell
Breath, the attribute of wherein cooperation cell include that type of service is supported in the load condition of cooperation cell and/or cooperation cell.
Step S204, main serving cell send CoMP system broadcast to cooperation UE.
Step S206, cooperation UE update the CoMP system information for itself being preserved according to broadcast.
In the present embodiment, the UE that notified to cooperate according to the change of the attribute of cooperation cell carries out CoMP system information more
Newly, opportunity irrational problem is issued so as to solve the system information in existing CoMP system, reduce cooperation UE and net
The information exchange of network side, improves throughput of system.
Wherein, before step S202, also include judging collaboration user is whether there is in CoMP collaboration regions, when CoMP coordinated regions
When in domain without collaboration user, CoMP system information is still issued by existing LTE system information.Use when there is cooperation in CoMP collaboration regions
During family, the system broadcast message that main serving cell is issued will be CoMP system information.
Wherein, in the present embodiment, CoMP system information need to increase more cells to meet UE intelligent association demands, main
If SIB1 (SystemInFormationBlockTypel, system information block 1) in cellAccessRelatedInfo
Add load status information in (cell access relevant information) information, can support type of service and both distinguish corresponding weighting
Coefficient field, cooperation cell load condition exceed the flag bit that type of service change is supported in thresholding or cooperation cell.It is also required to
(SystemInformationBlockType4, system information block is 4) for homogeneous-frequency adjacent-domain letter SIB4
Increase load status information in IntraFreqNeighCellInfo (homogeneous-frequency adjacent-domain information) information and type of service two can be supported
Field, CoMP system need to separately set up cooperation cell load condition thresholding.
Wherein, in step S202, when there is the super threshold value of a certain cooperation cell load condition, main serving cell is just more
The information on load of new CoMP system information, and the load condition in SIB1 or type of service are changed mark position very, only assist
When receiving the genuine system message in load condition mark position as user, collaboration user can just go to update its system message for preserving.
If the system information changed as UE needs particular service, also can by SIB1 in load condition or type of service change mark
Notifying collaboration user update system message, non-cooperating UE will not go to judge the flag bit for will position.
Wherein, when main serving cell switches, CoMP system information can be updated by existing LTE system method.
Embodiment two
Fig. 3 is according to embodiments of the present invention two CoMP system information updating method flow chart.As shown in figure 3, including with
Lower step：
Step S302, starter system broadcast are issued.
When in CoMP collaboration regions without UE, the system broadcast message that Serving cell is issued will be non-CoMP system information,
Now system information elements are as LTE system cell, issue mode and update mode also as existing LTE system.When UE is entered
CoMP collaboration regions or UE access CoMP cooperation main serving cells, and now system can choose collaboration user, under main serving cell
The system broadcast message that sends out will be CoMP system information, and the system information of preservation is updated to CoMP system information by UE, enter
CoMP system tupe.
Step S304, collaboration user are chosen, when having collaboration user in CoMP collaboration regions, execution step S308；Otherwise,
Execution step S306.
Step S306, judges whether starter system broadcast needs to update, if it is return to step S302；If it is not, then knot
Line journey.
Step S308, X2 information exchanges, main serving cell collect the load condition of other cooperation cells.
Step S310, CoMP system broadcast are issued.UE enter CoMP system mode of operation after, with CoMP cooperate little
The change of area's load condition, cooperation cell collection can also change, as the super CoMP of the load of a certain cooperation cell of cooperation cell collection
During the thresholding of default, main serving cell can update CoMP system information, and be handed down to UE.
Step S312, collaboration user update CoMP system information.
Collaboration user can judge load condition flag bit in the CoMP system information for receiving to decide whether to need to update
The system information of preservation, rather than the UE of collaboration user need not judge load condition flag bit.
When UE initiates certain particular service, in current cooperative cell, some cells do not support the business, now main service
The cooperation cell that cell is reported according to UE is chosen result to become row CoMP system information, and collaboration user can judge the CoMP for receiving
Type of service in system information changes flag bit to decide whether the system information that need to update preservation, rather than collaboration user
UE need not judge that type of service changes flag bit.
When main serving cell is unsatisfactory for needing to change when user requires, after main serving cell change success, new clothes
Business cell need to update CoMP system broadcast message, while UE need to update CoMP system information, enter new main serving cell scheduling
Pattern.
Step S314, collaboration user measurement are reported.
Step S316, judges whether also collaboration user, if it is execution step S318；Otherwise return to step S302.
When no user in CoMP collaboration regions, CoMP system cell will update system information and believe for non-CoMP system
Breath, issues with update mode as non-CoMP system broadcast message, while UE will update the system information of preservation.
Step S318, judges whether CoMP system information needs to update, if it is, execution step S320；If otherwise
Terminate flow process.
Step S320, after renewal, CoMP system information broadcast message is issued.
Embodiment three
Fig. 4 is that according to embodiments of the present invention three non-CoMP system broadcast message issues interaction figure.
When in CoMP collaboration regions without UE, the system broadcast message that Serving cell is issued will be non-CoMP system information
(LTE system information), now system information elements as LTE system cell, issue mode and update mode also with existing LTE system
Equally.UE is in non-CoMP system mode of operation (LTE system mode of operation), with the resident collaboration user in CoMP collaboration regions,
CoMP system broadcast will upgrade in time as CoMP system information.
The interactive step of the present embodiment is shown in the S402-S416 of Fig. 4, because identical with existing LTE system, here is not done in detail
Description.
Example IV
Fig. 5 is according to embodiments of the present invention four to issue CoMP system broadcast message interaction figure.
When there is UE to enter CoMP collaboration regions and be resident, now system can choose collaboration user, and main serving cell is issued
System broadcast message will be CoMP system information, and the system information of preservation is updated to CoMP system information by UE, for having just enter into
Collaboration user in collaboration region, now cooperation cell collection have not determined, the collaboration user also needs to carry out cooperation cell selection, with
After report cooperation cell to choose result to main serving cell, main serving cell according to collaboration user reported result and corresponding is aided in
Cell communication, and their information on load and the business information that can be supported is collected, set cooperation cell load thresholding.Such as Fig. 5 institutes
Show, specifically include following steps：
Step S502, UE access main serving cell.
Step S504, main serving cell pass through X2 information exchanges with assisted cell.
Step S506, collaboration user channel quality are reported.
Step S508, main serving cell collaboration user are chosen.
Step S510, main serving cell issue CoMP system broadcast to UE.
Step S512, collaboration user update CoMP system information.
Step S514, collaboration user report cooperation cell to choose result to main serving cell.
Step S516, X2 information exchanges, main serving cell collect each cooperation assisted cell information on load.
Step S518, main serving cell issue CoMP system broadcast.
Step S520, collaboration user update CoMP system information.
Step S522, CoMP system process.
Embodiment five
Fig. 6 is that according to embodiments of the present invention five cooperation cell changing load updates CoMP system broadcast message interaction figure.
After UE enters CoMP system mode of operation, with the change of CoMP cooperation cells load condition, cooperation cell collection
Can change, when the thresholding that the super CoMP system of the load of a certain cooperation cell of cooperation cell collection sets, main serving cell meeting
CoMP system information is updated, and is handed down to UE, collaboration user can judge the load condition mark in the CoMP system information for receiving
Will position is deciding whether the system information that need to update preservation, rather than the UE of collaboration user need not judge load condition mark
Position, after collaboration user updates the system information for preserving, need to reenter cooperation cell and choose process, and report result is chosen
Main serving cell, main serving cell update cooperation cell information, update CoMP system information, and are handed down in main serving cell
The flag bit that all UE, UE are carried again according to system information is judging whether the system information that need to update preservation.
Interaction flow is as shown in fig. 6, comprise the following steps：
Step S602, X2 information exchanges, cooperation cell load exceed threshold value.
Step S604, main serving cell update CoMP system information.
Step S606, main serving cell issue the CoMP system broadcast of renewal to UE.
Step S608, collaboration user can judge load condition flag bit in the CoMP system information for receiving to determine to be
The no system information that need to update preservation, if it is, update the system information for preserving.Rather than the UE of collaboration user need not sentence
Disconnected load condition flag bit.
Step S610, after collaboration user updates the system information for preserving, need to reenter cooperation cell and choose process
Step S612, will choose result and reports main serving cell.
Step S614, main serving cell update cooperation cell collection
Step S616, main serving cell and assisted cell X2 information exchanges, change cooperation cell.
Step S618, main serving cell update CoMP system information.
Step S620, main serving cell issue all UE in the CoMP system broadcast to main serving cell of renewal.
Step S622, collaboration user update the system information of preservation again by the flag bit judged in system information.
Embodiment six
Fig. 7 is that according to embodiments of the present invention six collaboration user is initiated particular service and changes cooperation cell and update CoMP systems
System broadcast message interaction figure.
When the business that collaboration user is chosen changes, for example, special VIP business is needed, as some are concentrated in cooperation cell
Cell a variety of causes does not support the business, or the business resource requirement cooperation cell is when concentrating some cells to be unsatisfactory for, association
Need to update cooperation cell set as user, and cooperation cell renewal result is reported main serving cell, now main service is little
The cooperation cell that area is reported according to UE is chosen result to change CoMP system information, and collaboration user can judge the CoMP systems for receiving
Type of service in system information changes flag bit to decide whether the system information that need to update preservation, rather than the UE of collaboration user
Need not judge that type of service changes flag bit.
Interaction flow is as shown in fig. 7, comprises following steps：
Step S702, collaboration user initiate particular service, and the business is not supported in some of which cooperation cell.
Step S704, collaboration user update cooperation cell information.
Step S706, collaboration user are measured to main serving cell and are reported.
Step S708, main serving cell is according to the measurement updaue cooperation cell for reporting.
Step S710, main serving cell and assisted cell X2 information exchanges, change cooperation cell.
Step S712, main serving cell update CoMP system information.
Step S714, main serving cell issue the CoMP system broadcast of renewal
Step S716, collaboration user update CoMP system information
Step S718, CoMP system process, supports collaboration user particular service.
Step S720, collaboration user are measured again and are reported.
Embodiment seven
Fig. 8 is that according to embodiments of the present invention seven main serving cell changes renewal CoMP system broadcast message interaction figure.
When main serving cell is unsatisfactory for needing to change when user requires, after main serving cell change success, new clothes
Business cell need to update CoMP system broadcast message, while UE need to update CoMP system information, collaboration user enters cooperation cell choosing
Flow process is taken, and cooperation cell selection result is reported new main serving cell, new main serving cell updates cooperation cell letter
Breath, updates CoMP system broadcast message, and is handed down to all UE in main serving cell, the mark that UE is carried according to system information
Continue CoMP system mode of operation judging whether the system information that need to update preservation in position.
Interaction flow is as shown in figure 8, comprise the following steps：
Step S802, collaboration user are measured to main serving cell and are reported
Step S804, main serving cell switch over judgement.
Step S806, switches over processing procedure.
Step S808, main serving cell update CoMP system information.
Step S810, main serving cell issue the CoMP system broadcast of renewal.
Step S812, collaboration user update CoMP system information.
Step S814, collaboration user carry out cooperation cell selection.
Step S816, collaboration user measurement report cooperation cell to choose result.
Step S818, main serving cell is according to the measurement updaue cooperation cell information for reporting.
Step S820, main serving cell and assisted cell X2 information exchanges, cooperation cell load are reported, and support type of service
Report.
Step S822, collaboration user update CoMP system information.
Step S824, main serving cell issue the CoMP system broadcast of renewal.
Step S826, collaboration user update CoMP system information.
Step S828, CoMP system process operation.
Embodiment eight
Fig. 9 is that according to embodiments of the present invention eight collaboration user removes collaboration region renewal cooperation cell set schematic diagram.
Figure 10 is to be updated to non-COMP system broadcasts when according to embodiments of the present invention eight all collaboration users remove CoMP collaboration regions
Information exchange figure.
When no user in CoMP collaboration regions, CoMP system cell will update system information for non-CoMP system information
(LTE system information), issues with update mode as non-CoMP system broadcast message, while the system that UE will update preservation
Information, enters non-CoMP system (LTE system) mode of operation.
The interactive step of the present embodiment is shown in the S902-S914 of Fig. 9, because which is identical with the step of existing LTE system, here
It is not described in detail.
Embodiment nine
Figure 11 is according to embodiments of the present invention nine main serving cell modular structure schematic diagram.As shown in figure 11, the main clothes
Business cell includes：Update module 100 and transceiver module 200.
Wherein, update module 100 is preserved for the change renewal main serving cell according to the attribute of cooperation cell
The attribute of CoMP system information, wherein cooperation cell includes that service class is supported in the load condition of cooperation cell and/or cooperation cell
Type.Transceiver module 200 is used for sending CoMP system broadcast to cooperation UE, and wherein, broadcast updates which for the UE that cooperates
The CoMP system information for being preserved.
Wherein, update module 100 includes that the first renewal submodule 110, second updates submodule 120 and the 3rd and updates submodule
Block 130.First updates submodule 110 is used for, when the load of cooperation cell exceedes predetermined threshold value, updating main serving cell
The CoMP system information for being preserved.Second updates submodule 120, for not supporting the business of cooperation UE selections when cooperation cell
When, update the CoMP system information preserved by main serving cell.3rd updates submodule 130, for when cooperation cell is not supported
During the business that cooperation UE chooses, the CoMP system information preserved by main serving cell is updated.
In the various embodiments described above of the present invention, there is provided a kind of CoMP system information updating side based on UE intelligent associations
Method.The selection efficiency of cooperation cell is improved by designing a kind of new CoMP system update method, the letter of UE and network is reduced
Breath interaction reaches raising throughput of system purpose.UE intelligent association demands can faster, more effectively be met using this method, reached
To the purpose for lifting handling capacity, available resources are saved, increase number of users, improve the economic benefit of operator.
Obviously, those skilled in the art should be understood that each module or each step of the above-mentioned present invention can be with general
Computing device realizing, they can be concentrated on single computing device, or are distributed in multiple computing devices and are constituted
Network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to they are stored
Executed by computing device in the storage device, and in some cases, can be executed with the order being different from herein shown
The step of going out or describe, or they are fabricated to each integrated circuit modules respectively, or by the multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of multipoint cooperative CoMP system information updating method, it is characterised in that include：
Main serving cell updates its CoMP system information for being preserved, wherein described cooperation according to the change of the attribute of cooperation cell
The attribute of cell includes that type of service is supported in the load condition of the cooperation cell and/or the cooperation cell；
The main serving cell sends CoMP system broadcast to cooperation UE, wherein, after the system broadcast message is for updating
The CoMP system information；
The cooperation UE updates the CoMP system information for itself being preserved according to the broadcast.
2. method according to claim 1, it is characterised in that main serving cell according to the change of the attribute of cooperation cell more
Its CoMP system information for being preserved new includes：
When the load of the cooperation cell exceedes predetermined threshold value, the main serving cell updates the CoMP systems preserved by which
System information.
3. method according to claim 1, it is characterised in that main serving cell according to the change of the attribute of cooperation cell more
Its CoMP system information for being preserved new includes：
When the business that the cooperation cell does not support the cooperation UE to choose, the main serving cell is according on the cooperation UE
Choose result to update the CoMP system information preserved by which in the cooperation cell of report.
4. method according to claim 1, it is characterised in that main serving cell according to the change of the attribute of cooperation cell more
Its CoMP system information for being preserved new includes：
When the business that the resource of the cooperation cell is unsatisfactory for the cooperation UE selections is taken, the main serving cell is according to institute
State the cooperation cells that report of cooperation UE to choose result to update the CoMP system information preserved by which.
5. the method according to any one of Claims 1-4, it is characterised in that the system information block 1 of the broadcast
Cell is accessed in relevant information and carries one of at least following information：
Cooperation cell load condition, the corresponding weight coefficient of cooperation cell load condition, cooperation cell load condition exceed thresholding
Value flag bit, cooperation cell support that type of service, cooperation cell support that the corresponding weight coefficient of type of service, cooperation cell are supported
Type of service changes flag bit.
6. method according to claim 5, it is characterised in that the homogeneous-frequency adjacent-domain of the system information block 4 of the broadcast
Cooperation cell load condition is carried in information and/or traffic type information is supported in cooperation cell.
7. method according to claim 6, it is characterised in that the cooperation UE updates itself institute according to the broadcast
The CoMP system information of preservation includes：
The cooperation UE exceedes threshold value flag bit or cooperation cell according to the cooperation cell load condition in the broadcast
Support that type of service changes flag bit to judge whether to update the CoMP system information for itself being preserved；
If it is, updating the CoMP system information for itself being preserved.
8. a kind of main serving cell, it is characterised in that include：
Update module, for updating the CoMP system letter preserved by the main serving cell according to the change of the attribute of cooperation cell
Breath, the attribute of wherein described cooperation cell include that business is supported in the load condition of the cooperation cell and/or the cooperation cell
Type；
Transceiver module, for sending CoMP system broadcast to cooperation UE, wherein, after the system broadcast message is renewal
The CoMP system information, the broadcast update its CoMP system information for being preserved for the cooperation UE.
9. main serving cell according to claim 8, it is characterised in that the update module includes：
First updates submodule, for when the load of the cooperation cell exceedes predetermined threshold value, updating the main service
The CoMP system information preserved by cell.
10. main serving cell according to claim 8, it is characterised in that the update module includes：
Second updates submodule, for do not support the cooperation UE to choose when the cooperation cell business when, the renewal master
The CoMP system information preserved by Serving cell.
11. main serving cells according to claim 8, it is characterised in that the update module includes：
3rd updates submodule, for do not support the cooperation UE to choose when the cooperation cell business when, the renewal master
The CoMP system information preserved by Serving cell.
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| CN201110169704.8A CN102843729B (en) | 2011-06-22 | 2011-06-22 | CoMP system information updating method and main serving cell |
| PCT/CN2012/071590 WO2012174881A1 (en) | 2011-06-22 | 2012-02-24 | Comp system information updating method and main service cell |
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| CN201110169704.8A CN102843729B (en) | 2011-06-22 | 2011-06-22 | CoMP system information updating method and main serving cell |
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| US11051235B2 (en) * | 2016-11-03 | 2021-06-29 | Sony Corporation | Wireless telecommunications apparatuses and methods |
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| CN101583161A (en) * | 2009-05-26 | 2009-11-18 | 北京邮电大学 | Cooperative node unit selection method and device |
| CN101998351A (en) * | 2009-08-12 | 2011-03-30 | 中兴通讯股份有限公司 | Neighbourhood cooperative multipoint transmission information updating method, device and system |
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| CN101873669B (en) * | 2009-04-22 | 2012-12-26 | 电信科学技术研究院 | System information notification method, system and device |
| CN102083124B (en) * | 2009-11-30 | 2014-04-30 | 中兴通讯股份有限公司 | Method and system for dynamically feeding back system information sent and received by CoMP (Cooperation Multi-Point) |
| CN101959171B (en) * | 2010-09-30 | 2015-06-10 | 中兴通讯股份有限公司 | Neighboring cell configuration information updating method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101583161A (en) * | 2009-05-26 | 2009-11-18 | 北京邮电大学 | Cooperative node unit selection method and device |
| CN101998351A (en) * | 2009-08-12 | 2011-03-30 | 中兴通讯股份有限公司 | Neighbourhood cooperative multipoint transmission information updating method, device and system |
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