CN103841606B - A kind of method and apparatus for managing user equipment member carrier - Google Patents
A kind of method and apparatus for managing user equipment member carrier Download PDFInfo
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- CN103841606B CN103841606B CN201210490530.XA CN201210490530A CN103841606B CN 103841606 B CN103841606 B CN 103841606B CN 201210490530 A CN201210490530 A CN 201210490530A CN 103841606 B CN103841606 B CN 103841606B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 9
- 230000011664 signaling Effects 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 description 11
- 230000002776 aggregation Effects 0.000 description 7
- 238000004220 aggregation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
This application discloses a kind of method for managing user equipment member carrier, including：When the system information of first community will change, it is the user equipment of secondary cell for configuration first community, judge user equipment main plot adjacent cell in the presence or absence of second community can turn into the user equipment secondary cell, if so, second community is replaced into first community as the secondary cell of the user equipment；Otherwise first community is first discharged in the secondary cell configured list of the user equipment be further added by first community.Disclosed herein as well is a kind of device for managing user equipment member carrier.By application technical scheme, adjustment can be optimized to user equipment member carrier in the case where additional signaling overhead is not increased, be the secondary cell that user device configuration is more suitable for.
Description
Technical field
The application is related to wireless communication technology field, is specifically designed carrier aggregation technology, more particularly to a kind of management user
The method and apparatus of equipment member carrier.
Background technology
Carrier aggregation（CA, CarrierAggregation）Technology is to improve the most direct method of message transmission rate.Institute
Meaning carrier aggregation, refers to user equipment（UE）Data can be in multiple member carriers（Component Carrier,CC）It is upper same
When transmit, equivalent to the transmission bandwidth that increased user equipment.In LTE Rel-10 agreements, a user equipment can be simultaneously
The CC for using is up to 5, and the maximum transmission bandwidth of such unique user equipment can reach 100MHz in theory, and this will be very big
Improve the peak rate of customer equipment data transmission in ground.
CC represents a up-link carrier or a descending carrier, and up CC and descending CC is by certain correspondence
Relationship to just constituting a cell together（Cell）, so carrier aggregation is also referred to as cell aggregation
（CellAggregation）.It is main member carrier that member carrier is divided（Primary CC, PCC）With auxiliary member carrier
（Secondary CC, SCC）In order to be managed to member carrier, and specify that each user equipment is up on one
A row PCC and descending PCC.The effect of descending PCC includes setting up RRC signaling connection, Non-Access Stratum（Non-Access
Stratum, NAS）Mobility and the input as security parameters etc.；Up PCC is used to send the control information of physical layer.Under
Row PCC and up PCC are associated and constitute main plot（Primary Cell, PCell）, descending SCC and optional up
SCC is associated and constitutes secondary cell（Secondary Cell, SCell）.
Carrier aggregation mainly has 5 kinds of deployment scenarios, and respectively as shown in Fig. 1 a to Fig. 1 e, wherein F1 represents the first frequency range, F2
The second frequency range is represented, 101 is macro base station, and 102 is Remote Radio Unit, and 103 is via node.In Fig. 1 a, F1 and F2 is co-located, weight
Superimposition lid, coverage is almost identical；F1 and F2 can be provided and covered enough；Typical scene is that F1 and F2 belong to same frequency
Section, such as 2GHz.In Fig. 1 b, F1 and F2 is co-located, overlap covering, and the covering of F2 is less than F1；Only F1 can be provided and covered enough,
F2 is used to improve capacity；Typical scene is that F1 and F2 belongs to different frequency range, for example：F1={ 800MHz, 2GHz }, F2=
{3.5GHz}.In Fig. 1 c, the co-located coverings of F1 and F2, the antenna of F2 points to the cell boarder of F1, for providing cell edge capacity；
Only F1 is used to provide covering；Typical scene is that F1 and F2 belongs to different frequency range, for example：F1={ 800MHz, 2GHz }, F2=
{3.5GHz}.In Fig. 1 d, F1 and F2 be not co-located, and the F1 on macro base station 101 provides grand covering, the F2 on Remote Radio Unit 102
Capacity for providing hot zones；Typical scene is that F1 and F2 belongs to different frequency range, for example：F1={800MHz,2GHz}
and F2={3.5GHz}.Fig. 1 e are similar with scene shown in Fig. 1 b, are not both in the coverage of macro base station 101 and deploy frequency
Selective via node 103, the coverage for extending certain frequency range.
In Rel-10, because all of carrier wave is all backward compatibility carrier wave, it is meant that broadcast system on each carrier wave
Information.User equipment is from the free time（IDLE）State Transferring to connection（CONNECTED）When state, based on resident carrier wave change
Member carrier.The process of Rel-8/9 is continued to use in the SIM system information management of main member carrier, and the management of SCell system informations is mainly wrapped
The aspect of SIM system information management two when SIM system information management and SCell system informations when including SCell increases change.
When SCell increases, system information is obtained by the system information of RRC dedicated signalings transmission SCell, i.e.,
The system information of relevant configuration information and SCell when SCell increases is in same wireless heterogeneous networks（RRC）Connection is reconfigured
Transmitted in message, and system information can only include the system information related to CA transmission.
When the changing system information of SCell, the system information for updating is transmitted by RRC signaling.Clearly it is as SCell
When system information changes, the method that the SCell is further added by the SCell is first discharged by the process of removal+addition
To realize.
In systems for user equipment carries out reasonable distribution and effectively management member carrier, systematic function and capacity can be made
Reach joint optimum state.Base station is adjusted to the member carrier of user equipment（As SCelll increase, SCell replace or
SCell is deleted）When, it is necessary to by RRC connect reconfiguration message notify to user equipment.If continually adjusting user equipment
Member carrier, can lift the transmission data throughout for being adjusted user equipment, but continually carry out Scell deletion increase behaviour
Make, substantial amounts of signaling consumption can be caused.Therefore carrier management scheme needs to consider algorithm performance and signaling consumption simultaneously.
The content of the invention
This application provides a kind of method and apparatus for managing user equipment member carrier, do not increasing additional signaling overhead
In the case of, adjustment is optimized to user equipment member carrier, it is the SCell that user device configuration is more suitable for.
A kind of method of management user equipment member carrier that the embodiment of the present application is provided, including：
It is the user equipment of secondary cell for configuration first community when the system information of first community will change,
Judge user equipment main plot adjacent cell in the presence or absence of second community can turn into the user equipment secondary cell, if
It is that second community is replaced into first community as the secondary cell of the user equipment；Secondary cell otherwise in the user equipment is matched somebody with somebody
Put and first discharge first community in list and be further added by first community.
It is preferred that the use can be turned into the presence or absence of second community in the adjacent cell of the main plot for judging user equipment
The secondary cell of family equipment, if so, second community is replaced into first community as the secondary cell of the user equipment；Otherwise in the use
First community first being discharged in the secondary cell configured list of family equipment and being further added by first community be：Judge the main plot of user equipment
With the presence or absence of the RSRPs of the Reference Signal Received Power RSRP more than first community of second community in adjacent cell, if so, by second
Cell replaces secondary cell of the first community as the user equipment；Otherwise in the secondary cell configured list of the user equipment first
Release first community is further added by first community.
The embodiment of the present application also provides a kind of device for managing user equipment member carrier, and the device is located in base station, bag
Include：
Wireless heterogeneous networks module, for perceiving whether cell system information changes, system information is changed
First community cell ID notify carrier management modules；And the operation information fed back according to carrier management modules is user
Equipment assembles corresponding radio resource control RRC connection reconfiguration message, and RRC connections reconfiguration message is sent into use
Family equipment；
Carrier management modules are right for after the cell ID of first community of wireless heterogeneous networks module notice is received
Be the user equipment of secondary cell in configuration first community, judge the user equipment main plot adjacent cell in whether there is the
Two cells can turn into the secondary cell of the user equipment, if so, judge that the user equipment will carry out secondary cell replacement operation, it is no
Then judge that the user equipment will carry out the operation when system information of secondary cell changes；By the operation of the user equipment
Feedback of the information gives wireless heterogeneous networks module.
It is preferred that when carrier management modules judge that the user equipment will carry out secondary cell replacement operation, feeding back to wireless
The operation information of the user equipment of resource controlled block includes customer equipment identification, to be deleted from secondary cell configured list
The cell ID of the first community removed and will increase to secondary cell configured list second community cell ID.
It is preferred that the use can be turned into the presence or absence of second community in judging the adjacent cell of the main plot of the user equipment
The secondary cell of family equipment, if so, judging that the user equipment will carry out secondary cell replacement operation, otherwise judges the user equipment
The operation when system information for carrying out secondary cell changes is：Judge user equipment main plot adjacent cell in whether deposit
In the RSRPs of the Reference Signal Received Power RSRP more than first community of second community, if so, it is small that second community is replaced into first
Area as the user equipment secondary cell；Otherwise first community is first discharged in the secondary cell configured list of the user equipment again
Increase first community.
As can be seen from the above technical solutions, in the system information of the secondary cell of user equipment situation about being changed
Under, it is right if presence can turn into the cell of the secondary cell of the user equipment in the adjacent cell of the main plot of the user equipment
The user equipment carries out the operation of secondary cell replacement, otherwise, the related behaviour when system information for carrying out secondary cell changes
Make.So, in the case where additional signaling overhead is not increased, adjustment is optimized to user equipment member carrier, is use
The secondary cell that family device configuration is more suitable for, is conducive to user device transmissions data throughout in increase system, and then improve
Systematic function and throughput of system.
Brief description of the drawings
Fig. 1 a to Fig. 1 e are 5 kinds of typical deployed schematic diagram of a scenario of carrier aggregation；
Fig. 2 is a kind of method flow diagram of management user equipment member carrier that the application is proposed；
The method flow diagram of the management user equipment member carrier that Fig. 3 is provided for the embodiment of the present application.
Specific embodiment
The application propose it is a kind of manage user equipment member carrier method, its flow as shown in Fig. 2 including：
Step 201：It is the use of SCell for configuration first community when the system information of first community will change
Family equipment, judge user equipment main plot adjacent cell in can turn into the user equipment with the presence or absence of second community
SCell, if so, performing step 202；Otherwise perform step 203；
Step 202：The operation of SCell replacements is carried out to the user equipment, using second community replace first community as
The SCell of the user equipment, and terminate this flow；
Step 203：Associative operation when being changed to the system information that the user equipment carries out SCell, i.e., at this
First community is first discharged in the SCell configured lists of user equipment be further added by first community.
So, in the case where additional signaling overhead is not increased, adjustment is optimized to user equipment member carrier, is use
The SCell that family device configuration is more suitable for, is conducive to user device transmissions data throughout in increase system, and then improves and be
System performance and throughput of system.
To make know-why, feature and the technique effect of technical scheme clearer, below in conjunction with specific reality
Example is applied to be described in detail technical scheme.
The embodiment of the present application provides a kind of device for managing user equipment member carrier, and the device is located in base station, including：
Wireless heterogeneous networks module, for perceiving whether cell system information changes, system information is changed
First community cell ID notify carrier management modules；And the operation information fed back according to carrier management modules is user
Equipment assembles corresponding radio resource control RRC connection reconfiguration message, and RRC connections reconfiguration message is sent into use
Family equipment；
Carrier management modules are right for after the cell ID of first community of wireless heterogeneous networks module notice is received
Be the user equipment of secondary cell in configuration first community, judge the user equipment main plot adjacent cell in whether there is the
Two cells can turn into the secondary cell of the user equipment, if so, judge that the user equipment will carry out secondary cell replacement operation, it is no
Then judge that the user equipment will carry out the operation when system information of secondary cell changes；By the operation of the user equipment
Feedback of the information gives wireless heterogeneous networks module.
The principle of the basis for estimation can be according to Reference Signal Received Power（RSRP, Reference
SignalReceiving Power）It is compared, it is also possible to according to RSRP and loading condition Integrated comparative；Or it is other
Principle, technical scheme is limited not to this.
When carrier management modules judge that the user equipment will carry out secondary cell replacement operation, wireless heterogeneous networks are fed back to
The operation information of the user equipment of module includes customer equipment identification, to be deleted from secondary cell configured list first
The cell ID of cell and will increase to secondary cell configured list second community cell ID.
The method flow of the management user equipment member carrier that the embodiment of the present application is provided is as shown in figure 3, including following step
Suddenly：
Step 301：When there is cell system information to change, RRC modules notify the cell to carrier management modules
Cell ID.
Step 302：After carrier management modules receive above-mentioned RRC modules notice, the cell will be configured for the user of SCell sets
Standby operation information feeds back to RRC modules.
Carrier management modules know the system information cell to be changed, and are searched according to the cell ID and configure the cell
It is the user equipment of SCell.For these user equipmenies, carrier management modules can judge which class these user equipmenies will carry out
Operation, is to carry out SCell replacement operations, the operation when system information for still carrying out SCell changes.
Carrier management modules determine whether more more particularly suitable than the cell to these user equipmenies according to certain principle
The adjacent cell of the main plot of user equipment as the user equipment SCell, if it has, the user equipment can carry out SCell replacing
The operation changed, carrier management modules notify the change information of the RRC modules user equipment member carrier, and the information includes the use
The customer equipment identification of family equipment, the cell ID of the cell to be deleted from secondary cell configured list and will increase to auxiliary small
The cell ID of the cell of area's configured list.If it did not, illustrating that the user equipment carries out the system information of SCell and changes
When associative operation.
The principle of the basis for estimation can be compared according to RSRP, it is also possible to comprehensively be compared according to RSRP and loading condition
Compared with, for example, the RSRP of the cell that the RSRP of the adjacent cell of main plot to be changed with system information is compared, if main
RSRP in the adjacent cell of cell in the presence of at least one cell is more than the RSRP of the system information cell to be changed, then the use
Family equipment can carry out the operation of SCell replacements, if not existing, the system information that the user equipment carries out SCell changes
When associative operation.
Step 303：RRC modules are user equipment assembling RRC connection weights according to the operation information that carrier management modules are fed back
Configuration message, is ultimately sent to user equipment.
It is that user equipment assembling RRC connections are reconfigured and disappeared after RRC modules receive the operation information of carrier management modules feedback
Breath.Base station can be by downlink-dedicated control channel（DL-DCCH）RRC connection reconfiguration messages are sent to user equipment.
For the user equipment of SCell replacement operations to be carried out, RRC modules can connect for the user equipment assembles a RRC
Reconfiguration message is connect for completing SCell replacement operations.RRC connections reconfiguration message is included for the increased letter of secondary cell
The first SCellToAddModList and cell SCellToReleaseList deleted for secondary cell.
The user equipment of associative operation when system information for carrying out SCell changes, RRC modules pass through
The process of removal+addition first discharges the SCell and is further added by the method for the SCell to realize.The removal+
The process of addition can be used and realized with existing protocol identical mode.
The scheme provided by the embodiment of the present application, it is possible to achieve optimized and revised to user equipment member carrier, be use
The SCell that family device configuration is more suitable for, while extra signaling will not be increased, is conducive to user device transmissions number in increase system
According to handling capacity.It should be added that, carrier management modules, also can be according to certain principle except in the case of present invention description
Dynamically SCell is added, is deleted and replacement operation, but these operations come real eventually through RRC connection reconfiguration messages
It is existing, therefore often carrying out once-through operation needs one RRC of transmission to connect reconfiguration message.In order to avoid excessive signaling consumption, carry
Ripple management module is in addition to situation described herein, and the judgment condition that operation is replaced to SCell is more strict.
The foregoing is only the preferred embodiment of the application, be not used to limit the protection domain of the application, it is all
Within the spirit and principle of technical scheme, any modification, equivalent substitution and improvements done etc. should be included in this Shen
Within the scope of please protecting.
Claims (5)
1. it is a kind of manage user equipment member carrier method, it is characterised in that including：
It is the user equipment of secondary cell for configuration first community when the system information of first community will change, judges
The secondary cell of the user equipment can be turned into the adjacent cell of the main plot of user equipment with the presence or absence of second community, if so, will
Second community replaces secondary cell of the first community as the user equipment；Otherwise in the secondary cell configured list of the user equipment
Middle first release first community is further added by first community.
2. method according to claim 1, it is characterised in that be in the adjacent cell of the main plot of the judgement user equipment
No have second community and can turn into the secondary cell of the user equipment, if so, second community to be replaced first community as described
The secondary cell of user equipment；First community is otherwise first discharged in the secondary cell configured list of the user equipment, and to be further added by first small
Qu Wei：Judge user equipment main plot adjacent cell in be more than with the presence or absence of the Reference Signal Received Power RSRP of second community
The RSRP of first community, if so, second community is replaced into first community as the secondary cell of the user equipment；Otherwise in the use
First community is first discharged in the secondary cell configured list of family equipment be further added by first community.
3. it is a kind of manage user equipment member carrier device, it is characterised in that the device be located at base station in, including：
Wireless heterogeneous networks module, for perceiving whether cell system information changes, that system information is changed
The cell ID of one cell notifies carrier management modules；And the operation information fed back according to carrier management modules is user equipment
Corresponding radio resource control RRC connection reconfiguration message is assembled, and RRC connections reconfiguration message is sent to user and set
It is standby；
Carrier management modules, for after the cell ID of first community of wireless heterogeneous networks module notice is received, for matching somebody with somebody
Put the user equipment that first community is secondary cell, judge the user equipment main plot adjacent cell in whether there is it is second small
Area can turn into the secondary cell of the user equipment, if so, judging that the user equipment will carry out secondary cell replacement operation, otherwise sentence
The operation when system information that the fixed user equipment will carry out secondary cell changes, the system information of the secondary cell occurs
Operation during change is first to discharge first community in the secondary cell configured list of the user equipment to be further added by first community；By institute
The operation information for stating user equipment feeds back to wireless heterogeneous networks module.
4. device according to claim 3, it is characterised in that it is auxiliary that carrier management modules judge that the user equipment will be carried out
During cell replacement operation, the operation information for feeding back to the user equipment of wireless heterogeneous networks module includes user equipment mark
The cell ID of first community that know, to be deleted from secondary cell configured list and secondary cell configured list will be increased to the
The cell ID of two cells.
5. the device according to claim 3 or 4, it is characterised in that the neighbour of the main plot of the judgement user equipment
The secondary cell of the user equipment can be turned into cell with the presence or absence of second community, if so, judging that the user equipment will be carried out
Secondary cell replacement operation is：Judge user equipment main plot adjacent cell in the presence or absence of second community reference signal receive
Power RSRP is more than the RSRP of first community, if so, second community is replaced into first community as the auxiliary small of the user equipment
Area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210490530.XA CN103841606B (en) | 2012-11-27 | 2012-11-27 | A kind of method and apparatus for managing user equipment member carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210490530.XA CN103841606B (en) | 2012-11-27 | 2012-11-27 | A kind of method and apparatus for managing user equipment member carrier |
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| CN103841606A CN103841606A (en) | 2014-06-04 |
| CN103841606B true CN103841606B (en) | 2017-06-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120475B (en) * | 2015-07-17 | 2018-09-28 | 中国联合网络通信集团有限公司 | A kind of method and device of management secondary cell |
| CN106255212B (en) * | 2016-07-29 | 2019-07-16 | Oppo广东移动通信有限公司 | Secondary member carrier configuration method and device, mobile terminal, base station, communication system |
| CN108243467B (en) * | 2016-12-23 | 2020-09-11 | 大唐移动通信设备有限公司 | Cell switching method and system based on LTE network |
| CN113498140A (en) * | 2016-12-30 | 2021-10-12 | 夏普株式会社 | Handover method and apparatus for wireless communication |
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| CN102378287A (en) * | 2010-08-11 | 2012-03-14 | 电信科学技术研究院 | Cell configuration method and device for changing primary cell |
| CN102378198A (en) * | 2010-08-13 | 2012-03-14 | 电信科学技术研究院 | Cell configuration method and device |
| CN102387508A (en) * | 2011-11-01 | 2012-03-21 | 中兴通讯股份有限公司 | Method and device for gathering carrier wave in LTE-A system |
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2012
- 2012-11-27 CN CN201210490530.XA patent/CN103841606B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378287A (en) * | 2010-08-11 | 2012-03-14 | 电信科学技术研究院 | Cell configuration method and device for changing primary cell |
| CN102378198A (en) * | 2010-08-13 | 2012-03-14 | 电信科学技术研究院 | Cell configuration method and device |
| CN102387508A (en) * | 2011-11-01 | 2012-03-21 | 中兴通讯股份有限公司 | Method and device for gathering carrier wave in LTE-A system |
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