CN106411484A - Secondary carrier component configuration relieving method, device and system - Google Patents
Secondary carrier component configuration relieving method, device and system Download PDFInfo
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- CN106411484A CN106411484A CN201510445956.7A CN201510445956A CN106411484A CN 106411484 A CN106411484 A CN 106411484A CN 201510445956 A CN201510445956 A CN 201510445956A CN 106411484 A CN106411484 A CN 106411484A
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- cell
- rollback
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- serving cell
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/0008—Wavelet-division
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention discloses a secondary carrier component configuration relieving method. The method comprises the steps of obtaining the load information of a current service cell; determining the information of a to-be-relieved service cell; deleting the to-be-relieved service cell. Meanwhile, a secondary carrier component configuration relieving device is disclosed and comprises a load obtaining module used for obtaining the load information of the current service cell; a to-be-relieved cell determination module used for determining the information of the to-be-relieved service cell; and a configuration relieving module for deleting the to-be-relieved service cell.
Description
Technical field
The present invention relates to mobile communication technology field, remove collocation method, device particularly to a kind of secondary carrier and be
System.
Background technology
International Telecommunication Union (International Telecommunications Union, abbreviation ITU) is to the next generation
The performance of mobile communication system proposes very harsh requirement, and such as maximum system transmission bandwidth reaches
100MHz, the peak rate of up-downgoing data transfer needs to respectively reach 1G bps and 500M bps；And to being
System average spectral efficiency (ase) especially edge spectrum efficiency proposes very high demand.In order to preferably compatible long-term
Evolution (Long Term Evolution, abbreviation LTE) existing standard, the chemical industry that debases the standard make complexity and
Support flexible application scenarios, 3G (Third Generation) Moblie standardization body (The 3rd Generation Partnership
Project, abbreviation 3GPP) introduce carrier aggregation (Carrier Aggregation, abbreviation CA) technology, lead to
Cross the mode that multiple member carriers condense together and realize bigger bandwidth.
Carrier aggregation technology disclosure satisfy that mobile cellular communication system of future generation is long-term evolution upgrading (Long Term
Evolution Advanced, abbreviation LTE-A) the bigger bandwidth demand of system and be to maintain to LTE system backward and
The indispensable technology of capacitive.The maximum bandwidth that LTE system is supported at present is 20MHZ, and lte-a system passes through carrier wave
Polymerizable functional makes maximum transmission bandwidth extend to 100MHZ.
Carrier aggregation technology refers to evolved node (Evolved Node B, abbreviation eNB) by 2 or multiple load
Ripple condenses together, by wireless heterogeneous networks (Radio Resource Control, abbreviation RRC) reallocation message
It is handed down to user equipment (User Equipment, abbreviation UE) so that UE can be carried out using the carrier wave of polymerization
The transmission of business.Wherein, the carrier wave that RRC is connected is kept to be referred to as main carrier (Primary carrier with UE
Component, abbreviation PCC), corresponding cell is referred to as main plot (Primary Cell, abbreviation Pcell)；
In the carrier wave being polymerized with UE, the carrier wave in addition to main carrier is referred to as secondary carrier (Secondary carrier
Component, abbreviation SCC), corresponding cell is referred to as secondary cell (Secondary Cell, referred to as Scell).
When eNB is scheduling with the secondary carrier resource being configured according to the carrying information that UE sets up, if worked as
All in the heavier state of load, limited by secondary carrier available resources, eNB cannot be the secondary carrier that front UE is configured
UE provides the big flow scheduling of up-downgoing business, has a strong impact on the business impression of UE；In addition, if it is current
Secondary carrier cannot be carried out dispatching due to overload, and the physical resource of this secondary carrier still can be occupied, and UE meeting
All the time frequently report the physical message of corresponding secondary carrier, so cause the waste of physical resource and interface-free resources.
Content of the invention
In view of this, the invention discloses a kind of secondary carrier goes to configure methods, devices and systems, in order to lift UE
Business susceptibility and be effectively reduced the waste of physical resource and interface-free resources.
On the one hand the invention discloses a kind of secondary carrier removes collocation method, the method includes：
Obtain the information on load of current service cell；
Determine the service cell information treating rollback；
The Serving cell treating rollback is deleted.
Information on load described in further the method includes at least one information in following information：Cell is used
Amount, cell PRB resource utilization, cpu resource utilization rate.
Determination described in further the method treats that the service cell information of rollback includes：
Information on load according to current service cell and rollback process thresholding and determine the Serving cell treating rollback, right
It is defined as treating the Serving cell of rollback in the Serving cell that the load of current service cell processes thresholding more than rollback.
The Serving cell treating rollback described in further the method carries out deleting inclusion：Obtain and treat described
The Serving cell of rollback is as the number of the user equipment (UE) of secondary cell；According to by the described Serving cell treating rollback
Number as the UE of secondary cell determines, with rollback UE number of thresholds, the UE information carrying out configuring；According to obtaining
The UE information obtaining notifies each to go the PCell i residing for UE i in the UE configuring to execute the deletion of this Scell.
Described in further the method according to using the described Serving cell treating rollback as the UE's of secondary cell
Number and rollback UE number of thresholds determine that the UE information carrying out configuring includes：For by the described clothes treating rollback
Business cell is more than rollback UE number of thresholds M as the number of the UE of secondary cell, preferential according to UE business
Level order determines M minimum UE of the priority or random UE determining that M UE is configuration；By institute
The number stating Serving cell as the UE of secondary cell is not above rollback UE number of thresholds M, then all generals
Described Serving cell is the UE configuring as the UE of secondary cell.
On the other hand the invention discloses a kind of secondary carrier goes configuration device, this device includes：
Load obtaining module, for obtaining the information on load of current service cell；
Treat fall back cell determining module, for determining the service cell information treating rollback；
Go configuration module, the Serving cell treating rollback is deleted.
Described described in this device further treats fall back cell determining module for according to current service cell
Information on load and rollback process thresholding and determine and treat the Serving cell of rollback, for the load of current service cell
The Serving cell processing thresholding more than rollback is defined as the Serving cell of rollback.
Configuration module of going described in this device further includes secondary carrier determination sub-module and goes to configure submodule
Block.
Secondary carrier determination sub-module described in this device further be used for according to using this Serving cell as auxiliary little
The number of the UE in area and rollback UE threshold information determine that needs carry out the secondary carrier configuring, and described goes
Configuration submodule is used for notifying the deletion to this Scell for the PCell execution residing for secondary carrier needing to carry out configuration.
Meanwhile, the invention discloses a kind of secondary carrier goes configuration system, this system includes above-mentioned secondary carrier and goes
Configuration device.
Secondary carrier disclosed by the invention goes to configure methods, devices and systems, for carrier aggregation technology field, when
When secondary carrier load is heavier, effectively the secondary carrier heavier to load is identified, according to certain preferential
Level is ranked up, and the secondary carrier of impact performance is carried out configuring, and realizes flexible dispatching and coupling, lifts UE
Business susceptibility and be effectively reduced the waste of physical resource and interface-free resources, economize on resources, improve efficiency.
Brief description
Fig. 1 be disclosed embodiment of this invention 1 secondary carrier remove the schematic flow sheet of collocation method；
Fig. 2 is the schematic flow sheet of step 103 in accompanying drawing 1；
Fig. 3 removes collocation method logic chart for secondary carrier disclosed in this invention；
Fig. 4 goes to configure installation drawing for secondary carrier disclosed in this invention；
Fig. 5 removes configuration device refinement figure for secondary carrier disclosed in this invention；
Fig. 6 goes to configure system diagram for secondary carrier disclosed in this invention.
Specific embodiment
In scheme disclosed by the invention, eNB obtains the information on load of current service cell, determines current service
Whether cell meets fallback conditions, to meet the Serving cell of fallback conditions according to using this cell as secondary cell
The number of UE determines that needs go the secondary carrier configuring, and the secondary carrier determined is carried out configure.
Below in conjunction with the accompanying drawings to technical scheme disclosed by the invention main realize principle, specific embodiment and its
The beneficial effect that can reach is described in detail.
Embodiment 1
The embodiment of the present invention 1 provides a kind of secondary carrier to go the method configuring, as shown in figure 1, described secondary carrier is gone
Collocation method comprises the following steps：
Step 101, the information on load of acquisition current service cell；
Step 102, determination treat the service cell information of rollback；
Step 103, the Serving cell treating rollback determine that N (N be positive integer) individual secondary carrier carries out configuring.
Wherein, the process of step 102 includes：Information on load according to current service cell and rollback process door
Limit determines the Serving cell treating rollback, and the load for current service cell is little more than the service that rollback processes thresholding
Area is defined as treating the Serving cell of rollback.The Serving cell being not reaching to rollback process thresholding for load does not then enter
Row is processed, and enters next circulation according to the description in accompanying drawing 3.
Wherein step 103 detailed process as shown in Figure 2, comprise the following steps：
This is treated the number of the Serving cell of rollback as the user equipment (UE) of secondary cell by step 201, acquisition；
Step 202, according to this being treated the Serving cell of rollback as the number of the UE of secondary cell and rollback UE door
Limit number determines the UE information carrying out configuring；
Step 203, notice need to remove the PCell i (wherein, i is natural number) residing for UE i in the UE configuring
Execute the deletion of this Scell.
Described according to using the described Serving cell treating rollback as the number of the UE of secondary cell and rollback UE thresholding
Number determines that the UE information carrying out configuring includes：For using the described Serving cell treating rollback as secondary cell
The number of UE is more than rollback UE number of thresholds M's, determines priority according to the priority orders of UE business
The M low UE or random UE determining that M UE is configuration；Using described Serving cell as auxiliary little
The number of the UE in area is not above rollback UE number of thresholds M's, then all using described Serving cell as auxiliary
The UE of cell is the UE of configuration..
Describe technical scheme disclosed in this invention below by specific example in detail.
Example 1：
In example 1, cell load information refers to community user number, and the maximum number of user allowing in cell is 400, returns
Moving back process thresholding is 360, and rollback UE number of thresholds is 5.
S101, the number of users of acquisition current area Cell A are 370, wherein carry out what RRC was connected with Cell A
Number of users be 320, using Cell A as Scell number of users be N=50；
The number of users of S102, Cell A be 370 be more than rollback process thresholding 360, current area Cell A need into
Row goes to configure；
S103, Cell A is N=50 as the number of users of Scell, more than rollback UE number of thresholds 5, according to
The business base priority order that UE sets up, select minimum 5 UE of priority (UE1, UE2, UE3,
UE4, UE5), Cell A notifies the residing PCell i of (UE1, UE2, UE3, UE4, UE5) respectively
(wherein, i=1 ... 5) execute the delete processing operation of Scell,
Pcell i (wherein, i=1 ... 5) residing for UE i obtains the notification message of Cell A, and issuing reallocation message is
UE i deletes the Cell A as Scell.
Example 2：
In example 2, cell load information refers to cell PRB resource utilization, the maximum number of user allowing in cell
For 400, rollback process thresholding be Thrd be 80%, rollback UE number of thresholds is 10.
S201, obtain current area Cell A PRB utilization rate be 90%, using Cell A as Scell user
Number is N=5；
S202, the PRB utilization rate due to Cell A are 90%>Rollback processes thresholding 80%, current area Cell A
Needs carry out configuring；
S203, Cell A is N=5 as the number of users of Scell, less than rollback UE number of thresholds 10, then
This 5 UE (UE1, UE2, UE3, UE4, UE5) need to go to configure, Cell A notify respectively (UE1,
UE2, UE3, UE4, UE5) residing PCell i (wherein, i=1 ... 5) execute Scell delete processing
Operation,
Pcell i (wherein, i=1 ... 5) residing for UE i obtains the notification message of Cell A, and issuing reallocation message is
UE i deletes the Cell A as Scell.
Example 3：
In example 3, cell load information refers to cell cpu resource utilization rate, and it is 85%, UE that rollback processes thresholding
Number of thresholds is 10.
S301, obtain current area Cell A CPU usage be 90%, using Cell A as Scell use
Amount is 20
S302, the PRB utilization rate due to current area are 90%>Rollback processes thresholding 85%, current area Cell
A needs to carry out configuring；
S303, due to using Cell A as Scell number of users number 20>Rollback UE number of thresholds 10, at random
Selection 10 using Cell A as Scell UE i (wherein, i=1 ... 10), Cell A notifies UE i respectively
PCell i (wherein, i=1 ... 10) residing for (wherein, i=1 ... 10) executes the delete processing operation of Scell,
Pcell i (wherein, i=1 ... 10) residing for UE i obtains the notification message of Cell A, issues reallocation message
Delete the Cell A as Scell for UE i.
Example 4：
In example 4, cell load information refers to cell cpu resource utilization rate, and it is 85%, UE that rollback processes thresholding
Number of thresholds is 10.
S401, obtain current area Cell A CPU usage be 60%, using Cell A as Scell use
Amount is 20
S402, the PRB utilization rate due to current area are that 60% rollback processes thresholding 85%, current area Cell
A does not need to carry out configuring.
Embodiment 2：
The embodiment of the present invention 2 provides a kind of secondary carrier to go configuration device, as shown in figure 4, described device includes：
Load obtaining module, for obtaining the information on load of current service cell；
Treat fall back cell determining module, for determining the service cell information treating rollback；
Go configuration module, the Serving cell treating rollback is deleted.
Described in this device treat fall back cell determining module for according to the information on load of current service cell and
Rollback processes thresholding and determines the Serving cell treating rollback, and the load for current service cell is more than rollback process door
The Serving cell of limit is defined as the Serving cell of rollback
Configuration module of going described in this device includes secondary carrier determination sub-module and goes to configure submodule., this device
Described in secondary carrier determination sub-module be used for according to using this Serving cell as the number of the UE of secondary cell and
Rollback UE threshold information determines that needs carry out the secondary carrier configuring, and the described configuration submodule that goes is used for notifying
The PCell residing for secondary carrier carrying out configuring is needed to execute the deletion to this Scell.
Embodiment three：
The present embodiment goes configuration system for a kind of secondary carrier disclosed by the invention, and this system includes secondary carrier deallocation
Put device.
As can be seen from the above description, the methods, devices and systems proposing according to embodiments of the present invention,
Information on load according to current service cell and dependent threshold information, determine that needs go the secondary carrier configuring,
And corresponding secondary carrier is carried out configuring.Effectively solve the secondary carrier that current UE configured all in load
Heavier state, limited by secondary carrier available resources, eNB cannot be the big flow scheduling that UE provides up-downgoing business,
Have a strong impact on the business impression of UE；If in addition, also solve current secondary carrier cannot be entered due to overload
Row scheduling, the physical resource of this secondary carrier still can be occupied, and UE can frequently report corresponding secondary carrier all the time
Physical message, so cause the waste of physical resource and interface-free resources.Flexible dispatching is enabled by this programme
And coupling, economize on resources, improve efficiency.
By the explanation of specific embodiment it should can be to reach the technology handss that predetermined purpose is taken to the present invention
Section and effect be able to more deeply and specific understand, but appended diagram be only provide with reference to and purposes of discussion,
Not it is used for the present invention is any limitation as.Feature simultaneously under the information do not conflicted, in embodiment and embodiment
Can be mutually combined.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method or computer program
Product.Therefore, the present invention using hardware embodiment, software implementation or can combine software and hardware aspect
The form of embodiment.And, the present invention can adopt and wherein include computer available programs generation one or more
The upper enforcement of the computer-usable storage medium (including but not limited to disk memory and optical memory etc.) of code
The form of computer program.
The present invention is the flow chart and/or square frame with reference to method and computer program product according to embodiments of the present invention
Figure is describing.It should be understood that can by each flow process in computer program instructions flowchart and/or block diagram and/
Or the combination of the flow process in square frame and flow chart and/or block diagram and/or square frame.These computer journeys can be provided
Sequence instructs general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device
Processor is to produce a machine so that holding by the processor of computer or other programmable data processing device
The instruction of row produces for realizing in one flow process of flow chart or multiple flow process and/or one square frame or multiple of block diagram
The device of the function of specifying in square frame.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing device with
So that the instruction that is stored in this computer-readable memory in the computer-readable memory of ad hoc fashion work
Produce and include the manufacture of command device, the realization of this command device in one flow process of flow chart or multiple flow process and/or
The function of specifying in one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device so that
Series of operation steps is executed on computer or other programmable devices to produce computer implemented process, from
And the instruction of execution is provided for realizing in one flow process or many of flow chart on computer or other programmable devices
The step of the function of specifying in individual flow process and/or one square frame of block diagram or multiple square frame.
The above, only presently preferred embodiments of the present invention, it is not intended to limit protection scope of the present invention.
Claims (10)
1. a kind of secondary carrier removes collocation method it is characterised in that the method includes：Obtain current service cell
Information on load；Determine the service cell information treating rollback；The Serving cell treating rollback is deleted.
2. a kind of the method for claim 1 it is characterised in that：Described information on load includes following
At least one information in information：Community user number, cell PRB resource utilization, cpu resource utilization rate.
3. a kind of method as claimed in claim 1 or 2 it is characterised in that：Rollback is treated in described determination
Service cell information includes：
Information on load according to current service cell and rollback process thresholding and determine the Serving cell treating rollback,
The Serving cell processing thresholding more than rollback for the load of current service cell is defined as treating that the service of rollback is little
Area.
4. a kind of method as claimed in claim 3 it is characterised in that：The described service treating rollback is little
Area carries out deleting inclusion：Obtain the described Serving cell treating rollback as the user equipment (UE) of secondary cell
Number；According to using the described Serving cell treating rollback as the number of the UE of secondary cell and rollback UE thresholding
Number determines the UE information carrying out configuring；UE information according to obtaining notifies each to go in the UE configuring
The PCell i residing for UE i execute the deletion of this Scell.
5. a kind of method as claimed in claim 4 it is characterised in that：Described according to by the described rollback treated
Serving cell determines, as the number of the UE of secondary cell, the UE letter carrying out configuring with rollback UE number of thresholds
Breath includes：
It is more than rollback UE thresholding for using the described Serving cell treating rollback as the number of the UE of secondary cell
Number M, determine M minimum UE of priority or true at random according to the priority orders of UE business
Determining M UE is the UE configuring；Described Serving cell is not surpassed as the number of the UE of secondary cell
Cross rollback UE number of thresholds M, then all using described Serving cell as secondary cell UE be go configure
UE.
6. a kind of secondary carrier goes configuration device it is characterised in that described device includes：
Load obtaining module, for obtaining the information on load of current service cell；
Treat fall back cell determining module, for determining the service cell information treating rollback；
Go configuration module, the Serving cell treating rollback is deleted.
7. a kind of device stated as claim 6 it is characterised in that：Described treats fall back cell determining module
Process thresholding for the information on load according to current service cell and rollback and determine the Serving cell treating rollback,
The service that the Serving cell processing thresholding more than rollback for the load of current service cell is defined as rollback is little
Area.
8. a kind of device as claimed in claim 6 it is characterised in that：It is described that to go configuration module to include auxiliary
Carrier wave determination sub-module and go configure submodule.
9. a kind of device as claimed in claim 8 it is characterised in that：Described secondary carrier determination sub-module
For determining as the number of the UE of secondary cell and rollback UE threshold information according to using this Serving cell
Need to carry out the secondary carrier of configuration, the described configuration submodule that goes is used for notifying to need to carry out the auxiliary of configuration
The deletion to this Scell for the PCell execution residing for carrier wave.
10. a kind of secondary carrier go configuration system it is characterised in that：Described system includes as claim
Secondary carrier described in 6 to 9 any one claim goes configuration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445956.7A CN106411484B (en) | 2015-07-27 | 2015-07-27 | Method, device and system for de-configuring auxiliary carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445956.7A CN106411484B (en) | 2015-07-27 | 2015-07-27 | Method, device and system for de-configuring auxiliary carrier |
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| CN106411484B CN106411484B (en) | 2020-09-01 |
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Cited By (1)
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| CN111092700A (en) * | 2018-10-23 | 2020-05-01 | 大唐移动通信设备有限公司 | Method and device for configuring secondary carrier |
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