CN107465493A - The control method and device of carrier aggregation, base station - Google Patents
The control method and device of carrier aggregation, base station Download PDFInfo
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- CN107465493A CN107465493A CN201610388730.2A CN201610388730A CN107465493A CN 107465493 A CN107465493 A CN 107465493A CN 201610388730 A CN201610388730 A CN 201610388730A CN 107465493 A CN107465493 A CN 107465493A
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- member carrier
- carrier
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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
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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Abstract
The embodiment of the present invention provides a kind of control method and device of carrier aggregation, base station, by detect user terminal main member carrier downlink resource whether congestion, if congestion, then judge whether the ascending resource of main member carrier is more than or equal to the first threshold value, select the secondary member carrier for meeting preparatory condition to be adjusted the carrier wave of user terminal from least one secondary member carrier of user terminal according to the result of judgement；By the service condition for the actual uplink resource for detecting main member carrier, so as to judge whether the resource of the downlink resource of main member carrier is restricted, it is if limited, then the carrier wave of user terminal is adjusted, user terminal is switched to the ascending resource of secondary member carrier, improve user terminal can fully to utilize the ascending resource of main member carrier and secondary member carrier, while also improve the utilization rate of up-downgoing resource of the user terminal to whole network.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of control method and device of carrier aggregation, base
Stand.
Background technology
In existing carrier aggregation technology (Carrier Aggregation, abbreviation CA), base station can be two
Or greater number of CC (Component Carrier, member carrier) gathers together as UE (User
Equipment, user terminal) service is provided, provide bigger transmission bandwidth (most by assembling CC for UE
5 CC of aggregation more, each most 20MHz, up to 100MHz).UE can be same according to its ability
When the enterprising row data of one or more CC reception or transmission.
UE in LTE-A (Long Term Evolution, Long Term Evolution) system establishes RRC (Radio for the first time
Resource Control, wireless heterogeneous networks) connection when, only configure a serving cell, i.e. Pcell (Primary
Cell, cell-of-origin), the carrier wave in the cell-of-origin be referred to as main member carrier (Primary Component Carrier,
Abbreviation PCC), the RRC being responsible between UE communicates.LTE system can be according to UE in RRC reconstitution process
The information such as ability, A2/A4/A6 measurements be UE add one or more assisted cells (Secondary Cell,
Abbreviation SCell), the carrier wave in the assisted cell be referred to as secondary member carrier (Secondary Component Carrier,
Abbreviation SCC).Wherein, PCell is at state of activation forever in LTE system, because Pcell is
UE main communications networks, and SCell be not always all in state of activation, LTE system can according to PCell,
The factors such as SCell PRB utilization rates of eating dishes without rice or wine, UE business demand activate secondary member carrier so that UE
Extra Radio Resource is obtained to meet its business demand.
But for the LTE system under up-downgoing carrier wave asymmetry scene, it is supported descending CA, not propped up
Hold up CA or descending CC numbers are more than up CC numbers, when PCC downlink space interface PRB is utilized
When rate is higher or increases, then extra interface-free resources can be provided for UE by activating descending SCC,
But with the increase of UE downlink service datas, bigger ascending idle port resource is may require that, because downlink business
It is required for up message to feed back, and for scene, the limited of ascending idle port resource can not be up by activating
The CA or up CC of activation increases ascending idle port resource, so as to cause up TCP ACK reports
Text can not feed back in time, then can influence downlink business flow, and therefore, the utilization rate of downlink space interface resource will
Limited by ascending idle port resource, cause descending interface-free resources not utilize effectively, cause carrier aggregation
The downlink throughput capacity gain brought is restricted.
The content of the invention
The control method and device of carrier aggregation provided in an embodiment of the present invention, base station, the technology mainly solved
Problem is that solve under the asymmetric scene of up-downgoing carrier number, and limited due to ascending idle port resource causes
The throughput gain of descending carrier polymerization is unable to reach desired value, and the interface-free resources of secondary member carrier cannot have
Imitate the technical problem utilized.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of control method of carrier aggregation, including：
Detect user terminal main member carrier downlink resource whether congestion；
If the downlink resource congestion of main member carrier, judge whether the ascending resource of main member carrier is more than the
One threshold value；
The carrier wave of user terminal is adjusted according to all secondary member carriers of the activation user terminal of recording a demerit of judgement
It is whole.
The embodiment of the present invention also provides a kind of control device of carrier aggregation, including：
Judge module, for detect user terminal main member carrier downlink resource whether congestion, and judge
Whether the ascending resource of main member carrier is more than the first threshold value；
Processing module, in the downlink resource congestion of main member carrier, being activated and being used according to the result of judgement
At least one secondary member carrier of family terminal is adjusted to the carrier wave of user terminal.
The embodiment of the present invention also provides a kind of base station, including：At least one carrier wave provided in an embodiment of the present invention
The control device of polymerization.
The embodiment of the present invention also provides a kind of computer-readable storage medium, and calculating is stored with computer-readable storage medium
Machine executable instruction, computer executable instructions are used for the control method for performing above-mentioned carrier aggregation.
The beneficial effect of the embodiment of the present invention is：
Control method, device, base station and the computer of the carrier aggregation provided according to embodiments of the present invention are deposited
Storage media, by judge user terminal main member carrier downlink resource whether congestion, if congestion, sentence
Whether the ascending resource of disconnected main member carrier is more than the first threshold value, then activates user according to the result of judgement
Selection meets load of the secondary member carrier to user terminal of preparatory condition at least one secondary member carrier of terminal
Ripple is adjusted；So, user terminal can pass through the resource service condition of the main member carrier of detection terminal
To be adjusted to the carrier wave of user terminal so that user terminal can according to the specific business demand of itself come
Carry out the adjustment of carrier wave so that user terminal grace gives you timely feeding back uplink service message, so as to improve use
Making full use of for the ascending resource of family terminal-pair main member carrier and secondary member carrier, improves descending carrier and gathers
The bandwidth gain that crossed belt comes, and the utilization rate of the up-downgoing resource of whole network.
Further, in an embodiment of the present invention, by activating load of the secondary member carrier to user terminal
When ripple is adjusted, in addition to up-downgoing resource utilization to secondary member carrier judges, only meets
The secondary member carrier of preparatory condition is just activated use, avoids the unserviceable secondary member carrier of activation, enters
The utilization rate for improving secondary member carrier of one step, and the utilization rate of whole network resource, solve it is main into
The downlink resource of member's carrier wave can not be effectively utilized due to being limited by ascending resource.
Brief description of the drawings
Fig. 1 is the data flowchart of the carrier wave of existing cell-of-origin；
Fig. 2 is the flow chart of the control method for the carrier aggregation that first embodiment of the invention provides；
Fig. 3 is the flow chart of the control method for another carrier aggregation that second embodiment of the invention provides；
Fig. 4 is the control device for the carrier aggregation that third embodiment of the invention provides
Embodiment
The embodiment of the present invention is described in further detail below by embodiment combination accompanying drawing.
First embodiment：
As shown in figure 1, the data flowchart of the carrier wave for existing cell-of-origin.It is asymmetric for existing support
The lte-a system of carrier aggregation, the number of the up-downgoing member carrier in this system is unequal, descending
Member carrier number configures according to UE descending polymerizing power, and uplink member carrier number is according to the upper of UE
Row polymerizing power configures, but descending member carrier number have to be larger than equal to uplink member carrier number.
When UE carries out the transmission of business, the utilization rate of the descending carrier resource in cell can be by uplink carrier resource
Limit and cause to be fully utilized, due to the scene of asymmetric carrier aggregation, it does not support cell-of-origin
Alleviate the congestion situation of uplink carrier resource by activating the up money carrier resource in assisted cell.
It is above-mentioned in order to solve the problems, such as, a kind of control method of carrier aggregation is present embodiments provided, by this
The implementation of method, if it find that main member carries downlink resource congestion, secondary member carrier downlink resource meets activation
Condition, the downlink resource congestion of main member carrier can be alleviated by activating the downlink resource of secondary member carrier,
Before secondary member carrier is activated, it is also necessary to judge up PRB (the physical resource of main member carrier
Block, Physical Resource Block) utilization rate, if it find that up PRB utilization rates exceed threshold value, and UE is done
Type of service be TCP traffic, feedback message need occupied bandwidth, then detect the up of secondary member carrier
PRB utilization rates, if the up PRB utilization rates of secondary member carrier are less than threshold value, LTE network is to UE
Carrier switch request is sent, UE is switched to Target cell corresponding to secondary member carrier from cell-of-origin, fully profit
With the up resource of secondary member carrier respective cell, after UE successful switch is to Target cell, further according to industry
Business needs to consider addition activation secondary member carrier.
Fig. 2 is the flow chart of the control method for the carrier aggregation that first embodiment of the invention provides, can by Fig. 1
Know, in the present embodiment, the control method of carrier aggregation provided by the invention comprises the following steps：
S201, detect user terminal main member carrier downlink resource whether congestion.
In the present embodiment, during UE access networks do business transmission, main member carrier is being got
Downlink resource after, it is also necessary to the resource information is judged, specifically, obtain main member carrier under
Row resource includes the utilization rate of downlink space interface resource, judge the downlink resource whether congestion.
In actual applications, judge whether the downlink resource of main member carrier congestion occurs, can specifically pass through
The utilization rate or occupancy situation of the downlink space interface resource in cell-of-origin where acquisition user terminal, Ran Houzai
The judgement with pre-seting compared with is carried out to the utilization rate of downlink space interface resource or occupancy situation got,
Judge its whether congestion, can be by setting a downlink space interface resource most for example, in the present embodiment
Second threshold value of big utilization rate, by obtain main member carrier downlink space interface resource practical efficiency with
Second threshold value is compared, if practical efficiency is more than the second threshold value, illustrates to need into line activating
The downlink resource of secondary member carrier is come the down going port null resource alleviating or extend main member carrier, if actual profit
It is less than the second threshold value with rate, then illustrates that the downlink space interface resource of main member carrier is also sufficient, it is not necessary to activate
Secondary member carrier is alleviated, and at this moment can terminate flow or wait the arrival of detection time, again
The utilization rate of downlink resource is judged.
In the present embodiment, if judged result congestion occurs for the downlink resource of the main member carrier, also need
Judge whether the ascending resource utilization rate of main member carrier is eligible, the condition can be default thresholding
Value etc., then determined the need for carrying out carrier wave adjustment to user terminal according to the result of judgement.
In the present embodiment, judge the main member carrier downlink resource whether congestion, can specifically lead to
Whether the downlink resource utilization rate for crossing the main member carrier that will be got is more than the second threshold value, if being more than,
It is judged as that congestion occurs in main member carrier downlink resource；Conversely, then illustrating not congestion, flow terminates.
S203, if the downlink resource congestion of main member carrier, judge main member carrier ascending resource whether
More than the first threshold value.
In the present embodiment, on the basis of downlink resource congestion, further whether ascending resource is judged
There is congestion, be to judge whether to be more than the first thresholding, the thresholding is freely set before judgement is started
One preset value, the preset value can be configured according to the service interaction demand of user terminal, when in judgement
After row resource reaches the preset value, then need to select secondary member carrier to switch over, ensure main member carrier
Downlink resource can be fully utilized, it is preferred that first threshold value can be the ascending resource of main member carrier
Maximum resource utilization rate.
S205, met according to selection at least one secondary member carrier of the result of judgement activation user terminal pre-
If the secondary member carrier of condition is adjusted to the carrier wave of user terminal.
In the present embodiment, if the result judged is more than or equal to the first thresholding as the ascending resource of main member carrier
During value, then at least one secondary member carrier of base station activation user terminal selection meet preparatory condition it is auxiliary into
Member's carrier wave is adjusted specially to the carrier wave of user terminal：
Obtain the ascending resource utilization rate and downlink resource utilization rate of secondary member carrier；
User terminal switched to according to the ascending resource utilization rate of secondary member carrier and downlink resource utilization rate auxiliary
Target cell corresponding to member carrier is adjusted to the carrier wave of user terminal.
Further, selected from all secondary member carriers it is at least one meet preparatory condition secondary member carrier,
And the downlink resource for activating secondary member carrier specifically includes：
By the ascending resource utilization rate of secondary member carrier compared with the 3rd threshold value, by secondary member carrier
Downlink resource utilization rate is compared with the second threshold value；
If the downlink resource utilization rate of secondary member carrier is less than the ascending resource of the second threshold value and secondary member carrier
Utilization rate is more than or equal to the 3rd threshold value, then activates the downlink resource pair of the secondary member carrier of the user terminal
The downlink resource of the main member carrier of the user terminal is adjusted, specifically, can be from meeting default bar
At least one secondary member carrier is selected in the secondary member carrier of part, activates its downlink resource, default bar here
Part is less than the ascending resource profit of the second threshold value and secondary member carrier for the downlink resource utilization rate of secondary member carrier
It is not less than the 3rd threshold value with rate.
In the present embodiment, if the ascending resource of main member carrier is more than or equal to the first threshold value, in addition to
Select one to meet preparatory condition secondary member carrier from all secondary member carriers to carry user terminal from main member
Ripple is switched to secondary member carrier.Specifically, if the downlink resource utilization rate of secondary member carrier is less than the second thresholding
The value and ascending resource utilization rate of secondary member carrier is less than the 3rd threshold value, then by user terminal switch to it is auxiliary into
The ascending resource of member's carrier wave is adjusted to the ascending resource of user terminal, optionally, from meeting preparatory condition
Secondary member carrier in select a secondary member carrier that user terminal is switched into auxiliary member from main member carrier to carry
Ripple, preparatory condition here are less than the second threshold value and auxiliary member for the downlink resource utilization rate of secondary member carrier
The ascending resource utilization rate of carrier wave is less than the 3rd threshold value.
In the present embodiment, if the result judged is less than the first threshold value as the ascending resource of main member carrier,
The secondary member carrier of activation user terminal is adjusted specially to the carrier wave of user terminal：Activate user terminal
The downlink resource of secondary member carrier the downlink resource of the main member carrier of user terminal is adjusted.
In the present embodiment, if judging, the downlink resource utilization rate of secondary member carrier is less than the second threshold value and auxiliary
The ascending resource utilization rate of member carrier is less than after the 3rd threshold value, in addition to issues carrier wave to user terminal
Handover request, user terminal cell-of-origin according to corresponding to carrier switch request by user terminal from main member carrier
Target cell corresponding to the secondary member carrier is switched to, it is achieved thereby that alleviating user terminal ascending resource not
The phenomenon of the timely feeding back uplink message of energy.
When the result judged as the ascending resource of main member carrier Current resource utilization rate in the first threshold value
When, then carrier switch request is issued to user terminal, ask user terminal switching to secondary member carrier enterprising
The processing of industry business；When the up Current resource utilization rate of the main member carrier is less than the first threshold value,
Then at least one secondary member carrier is selected to enter line activating from the secondary member carrier of user terminal.
In the present embodiment, when the descending resource utilization for judging secondary member carrier meets activation condition, and
And the up resource utilization that carries of main member is when being less than the first threshold value, then is directly that user terminal activation is auxiliary
The descending resource of member carrier；When the descending resource utilization for judging secondary member carrier meets activation condition,
And when the ascending resource utilization rate that main member carries is more than the first threshold value, then obtain the up of secondary member carrier
Resource utilization whether be less than the 3rd threshold value, if being less than, user terminal is switched to secondary member carrier
Corresponding Target cell, if being not less than, line activating processing is entered to secondary member carrier.
The control method of carrier aggregation provided in an embodiment of the present invention, by judging that the main member of user terminal carries
The downlink resource of ripple whether congestion, if congestion, from secondary member carrier used selection meet preparatory condition
Secondary member carrier is adjusted to the carrier wave of user terminal, if not congestion, the carrier wave of user terminal is not entered
Row adjustment so that user terminal in addition to can be using the up carry out business transmission of cell-of-origin main member carrier,
The up carry out business transmission of secondary member carrier can also be used；User terminal passes through the business demand to itself
And the actual use situation of the carrier resource of the cell-of-origin at place, judge whether to adjust the carrier wave of user terminal
It is unimpeded so as to improve teleservice transmission to carry out the transmission of business, uplink message can be carried out in time
Report so that the downlink resource in cell can be fully used, and no longer be limited by up-link carrier,
Further increase the utilization rate of the up-downgoing resource of whole network.
Second embodiment：
Fig. 3 is another flow chart of the control method for the carrier aggregation that second embodiment of the invention provides, such as
Shown in Fig. 3, in the present embodiment, the control method of carrier aggregation provided by the invention comprises the following steps：
S301, UE access LTE network, and UE issues secondary carrier (Cell B, Cell C) measurement.
In this step, after UE accesses LTE network, Cell A are accessed, LTE network is according to UE abilities
Judge that UE supports descending CA, base station issues the measurement request of secondary member carrier, asked according to measurement, detection
Target cell corresponding to UE secondary member carrier and secondary member carrier is covered, and measures and reports to base station feedback
Accuse, optionally, in the present embodiment, measurement report includes tri- kinds of measurement reports of A2/A4/A6, here with three
Illustrate exemplified by individual cell, what A2 was represented is that Cell B, the carrier wave of the cells of Cell C two can cover Cell A；
What A4 was represented is that the carrier waves of only Cell B cells can cover Cell A；That A4 is represented is only Cell
The carrier wave of C cells can cover Cell A.
After S303, UE report the measurement report of secondary carrier, LTE network is UE addition masters according to measurement report
Member carrier and secondary member carrier.
Particularly, that report as UE is A2, then LTE network is that UE is added according to A2 measurement reports
The PCC that Cell A cells where main member carrier and secondary member carrier, wherein UE are UE, Cell B are
UE SCC1, Cell C are UE SCC2.
S305, UE start business transmission, judge network whether congestion, if congestion perform step S307,
Then step S321 flows do not terminate congestion.
In this step, specific UE is by carrying out FTP (File Transfer Protocol, file transmission association
View) download, detect main member carrier descending resource whether congestion, if congestion, perform step S307,
It is on the contrary then move back flow terminate or wait next detection time arrival reacquire detection.
S307, SCC1 and SCC2 descending PRB utilization rates are obtained, judge whether to meet activation condition,
Therefrom select at least one secondary member carrier for meeting activation condition.
In this step, SCC1, SCC2 for getting descending PRB utilization rates are compared and sentenced by base station
It is disconnected, if wherein at least one SCC descending PRB utilization rates meet secondary carrier activation condition, perform step
Rapid S309, otherwise step S321 perform flow terminate.
S309, obtains PCC up PRB utilization rates, and judges whether to be more than the first threshold value, in the step
In rapid, by judging PCC up PRB utilization rates, if PCC up PRB utilization rates are more than first
Threshold T HR_H, then step S311 is performed, otherwise perform step S319.
S311, obtain SCC1 and SCC2 up PRB utilization rates, selection wherein utilization rate it is relatively low one
It is individual, specifically, SCC1, SCC2 up PRB utilization rates are compared to each other by base station, select wherein ULPRB
The low secondary member carrier of utilization rate, such as SCC2 up PRB utilization rates are less than SCC1, then select SCC2.
S313, by the SCC2 got in step S311 up PRB compared with the 3rd threshold value,
If specifically, result of the comparison be SCC2 up PRB utilization rates be less than the 3rd threshold T HR_L,
Step S315 is performed, conversely, then performing step S319.
S315, base station issue handover request to UE, initiate alien frequencies switching, Cell C (i.e. SCC2) are mesh
Cell is marked, UE is switched into Cell C from Cell A, UE uses the up PRB of the SCC2 in Cell C
Carry out up report feedback.
S317, switched over according to handover request, specifically, UE is switched into Target cell from Cell A
Cell C, and main member carrier and secondary member carrier are distributed from new according to UE A2 measurement reports, wherein,
UE secondary member carrier is turned into Cell A, Cell B, i.e. UE using Cell C as PCC, with Cell A,
Cell B are SCC, return to step S305.
S319, a seat UE current downlink secondary carrier, line activating of going forward side by side are selected from SCC1 and SCC2
Processing.
S321, flow terminate.
In the present embodiment, optionally, the first threshold T HR_H mentioned above typical value 80%,
3rd threshold T HR_L typical values 50%, the two threshold values can be according to practical application scene dynamics
Adjustment configuration, is not unique.
The control method for the carrier aggregation that the present embodiment provides is not just descending suitable for the three of above-described embodiment
The asymmetric scene of carrier wave list up-link carrier, and all asymmetrical scenes of up-downgoing carrier wave are applied to, example
Such as：Descending three carrier wave, the scene of up two carrier wave, under the scene, perform switch before activate first it is up
Secondary member carrier, ascending idle port is still gathered around after being unsatisfactory for activation condition or activation if up secondary member carrier
Plug, now it is contemplated that being switched on the 3rd carrier wave for not supporting up CA.
3rd embodiment：
Fig. 4 is the control device for the carrier aggregation that third embodiment of the invention provides, as shown in figure 4, at this
In embodiment, the control device 40 of carrier aggregation provided in an embodiment of the present invention includes：
Judge module 41, for judge user terminal main member carrier downlink resource whether congestion, and sentence
Whether the ascending resource for the main member carrier of breaking is more than the first threshold value；
Processing module 42, in the downlink resource congestion of main member carrier, being activated according to the result of judgement
Selection meets the secondary member carrier of preparatory condition to user terminal at least one secondary member carrier of user terminal
Carrier wave be adjusted, specifically, can select to meet from all secondary member carriers of user terminal default
The secondary member carrier of condition is adjusted to the carrier wave of user terminal, and the carrier wave to user terminal is adjusted
User terminal is switched to auxiliary member by whole downlink resource including activating secondary member carrier from main member carrier
Carrier wave.
In the present embodiment, if processing module 42 is additionally operable to judge ascending resource of the result as main member carrier
During less than the first threshold value, the ascending resource utilization rate and downlink resource utilization rate of secondary member carrier, root are obtained
User terminal is switched into auxiliary member according to the ascending resource utilization rate and downlink resource utilization rate of secondary member carrier to carry
Target cell corresponding to ripple is adjusted to the carrier wave of user terminal.
If the ascending resource of main member carrier is more than or equal to the first threshold value, processing module is additionally operable to from all
Select one to meet preparatory condition secondary member carrier in secondary member carrier to switch over.
In the present embodiment, processing module 42 is additionally operable to the ascending resource utilization rate and the 3rd of secondary member carrier
Threshold value is compared, by the downlink resource utilization rate of secondary member carrier compared with the second threshold value, if
The downlink resource utilization rate of secondary member carrier is less than the ascending resource utilization rate of the second threshold value and secondary member carrier
Less than the 3rd threshold value, then activate user terminal secondary member carrier downlink resource to user terminal it is main into
The downlink resource of member's carrier wave is adjusted.
In the present embodiment, processing module 42 is additionally operable to the ascending resource utilization rate and the 3rd of secondary member carrier
Threshold value is compared, by the downlink resource utilization rate of secondary member carrier compared with the second threshold value, if
The downlink resource utilization rate of secondary member carrier is less than the ascending resource utilization rate of the second threshold value and secondary member carrier
Less than the 3rd threshold value, then user terminal is switched into the ascending resource of the secondary member carrier to user terminal
Ascending resource be adjusted.
In the present embodiment, judge module 41 judge Current resource utilization rate be more than or equal to the first threshold value it
Afterwards, before sending carrier switch request to user terminal, judge module 41 is additionally operable to judge secondary member carrier
Whether ascending resource utilization rate and downlink resource utilization rate meet preparatory condition.
In the present embodiment, specifically, the Current resource of the ascending resource by obtaining main member carrier utilizes
Rate and downlink resource utilization rate, judge module 41 are specifically used for judging whether the downlink resource of main member carrier is gathered around
Plug, if congestion, judge module 41 continues to judge that the Current resource utilization rate of main member carrier ascending resource is
It is no to be more than the first threshold value, if the Current resource utilization rate is more than or equal to the first threshold value, from auxiliary member
A secondary member carrier is selected to switch to user terminal from main member carrier as to be switched object in carrier wave
Target cell corresponding to secondary member carrier；If the Current resource utilization rate is less than the first threshold value, from auxiliary
Select at least one secondary member carrier for meeting activation condition to enter line activating in member carrier, specifically activate auxiliary
The downlink resource of member carrier, so as to solve the problems, such as the downlink resource congestion in main member carrier.
In the present embodiment, processing module 42 selects at least one to meet default bar from all secondary member carriers
Part secondary member carrier, and the downlink resource of secondary member carrier is activated, obtained particular by processing module 42 auxiliary
The ascending resource utilization rate and downlink resource utilization rate of member carrier, the ascending resource of secondary member carrier is utilized
Rate is carried out the downlink resource utilization rate of secondary member carrier and the second threshold value compared with the 3rd threshold value
Compare, if the downlink resource utilization rate of secondary member carrier is less than the up money of the second threshold value and secondary member carrier
Source utilization rate is not less than the 3rd threshold value, then is selected at least from the secondary member carrier for meeting the preparatory condition
One secondary member carrier, activates its downlink resource, and preparatory condition is the downlink resource utilization rate of secondary member carrier
It is not less than the 3rd threshold value less than the ascending resource utilization rate of the second threshold value and secondary member carrier.
In the present embodiment, processing module 42 selects one from all secondary member carriers to meet preparatory condition auxiliary
User terminal is switched to secondary member carrier by member carrier from main member carrier, particular by processing module 42
The ascending resource utilization rate and downlink resource utilization rate of secondary member carrier are obtained, by the up money of secondary member carrier
Source utilization rate is compared with the 3rd threshold value, by the downlink resource utilization rate of secondary member carrier and the second thresholding
Value is compared, if the downlink resource utilization rate of secondary member carrier is less than the second threshold value and secondary member carrier
Ascending resource utilization rate is less than the 3rd threshold value, then one is selected from the secondary member carrier for meet preparatory condition
User terminal is switched to secondary member carrier by secondary member carrier from main member carrier, and member carries supplemented by preparatory condition
The downlink resource utilization rate of ripple is less than the second threshold value and the ascending resource utilization rate of secondary member carrier is less than the 3rd
Threshold value.
In the present embodiment, if processing module 42 be additionally operable to judged result be main member carrier ascending resource it is small
When equal to the first threshold value, the downlink resource of secondary member carrier of user terminal is activated to the master of user terminal
The downlink resource of member carrier is adjusted.
It is corresponding, in other embodiments of the present invention, a kind of base station is additionally provided, including：At least one
The control device of individual carrier aggregation provided in an embodiment of the present invention.
It is corresponding, in other embodiments of the present invention, a kind of computer-readable storage medium is additionally provided, is counted
Computer executable instructions are stored with calculation machine storage medium, computer executable instructions are foregoing for performing
The control method of carrier aggregation.
In summary, following beneficial effect at least be present by the implementation of the present invention, embodiments of the invention：
By judge user terminal main member carrier downlink resource whether congestion, by then passing through to user
The actual utilization power of the downlink resource of the currently used main member carrier of terminal is detected, accordingly, it is capable to and
When detect the resources requirement of main member carrier, so as to judge the descending resource of main member carrier whether by
To up limitation；If congestion, the auxiliary member for meeting preparatory condition is selected to carry from secondary member carrier used
Ripple is adjusted to the carrier wave of user terminal, and user terminal is switched into Target cell corresponding to secondary member carrier,
By the secondary member carrier in Target cell it is up in time reporting service uplink message, or activation it is auxiliary into
The downlink resource of member's carrier wave is extended for the downlink resource of main member carrier；If not congestion, not to user
The carrier wave of terminal is adjusted, so as to improve user terminal to the up of main member carrier and secondary member carrier
Resource can be utilized fully, improve the bandwidth gain that descending carrier condensation zone comes, and improve whole network
Up-downgoing resource utilization rate.
Obviously, those skilled in the art should be understood that each module of the embodiments of the present invention or each step
It can be realized with general computing device, they can be concentrated on single computing device, or distribution
On the network that multiple computing devices are formed, alternatively, the program that they can be can perform with computing device
Code is realized, it is thus possible to be stored in computer-readable storage medium (ROM/RAM, magnetic disc, light
Disk) in performed by computing device, and in some cases, can be to be performed different from order herein
Shown or described step, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.So the present invention is not restricted to
Any specific hardware and software combines.
Above content is to combine the further description that specific embodiment is made to the embodiment of the present invention,
The specific implementation of the invention is not to be limited to these illustrations.For the general of the technical field of the invention
For logical technical staff, without departing from the inventive concept of the premise, can also make it is some it is simple deduce or
Replace, should all be considered as belonging to protection scope of the present invention.
Claims (11)
1. a kind of control method of carrier aggregation, including：
Detect user terminal main member carrier downlink resource whether congestion；
If the downlink resource congestion of the main member carrier, judging the ascending resource of the main member carrier is
It is no to be more than or equal to the first threshold value；
Met according to selection at least one secondary member carrier of the result of the judgement activation user terminal default
The secondary member carrier of condition is adjusted to the carrier wave of user terminal.
2. the control method of carrier aggregation according to claim 1, it is characterised in that if described
When the result judged is more than or equal to the first threshold value as the ascending resource of the main member carrier, the activation is used
Selection meets the secondary member carrier of preparatory condition to user terminal at least one secondary member carrier of family terminal
Carrier wave be adjusted including：
Obtain the ascending resource utilization rate and downlink resource utilization rate of the secondary member carrier；
According to the ascending resource utilization rate of the secondary member carrier and downlink resource utilization rate by the user terminal
Target cell corresponding to the secondary member carrier is switched to be adjusted the carrier wave of user terminal.
3. the control method of carrier aggregation according to claim 2, it is characterised in that according to institute
State the ascending resource utilization rate of secondary member carrier and downlink resource utilization rate the user terminal is switched to it is described
Target cell corresponding to secondary member carrier the carrier wave of user terminal is adjusted including：
By the downlink resource utilization rate of the secondary member carrier compared with the second threshold value, by it is described it is auxiliary into
The ascending resource utilization rate of member's carrier wave is compared with the 3rd threshold value；
If the downlink resource utilization rate of the secondary member carrier is less than the second threshold value and the secondary member carrier
Ascending resource utilization rate is more than or equal to the 3rd threshold value, then under the secondary member carrier for activating the user terminal
Row resource is adjusted to the downlink resource of the main member carrier of the user terminal.
4. the control method of carrier aggregation according to claim 2, it is characterised in that according to institute
State the ascending resource utilization rate of secondary member carrier and downlink resource utilization rate the user terminal is switched to it is described
Target cell corresponding to secondary member carrier the carrier wave of user terminal is adjusted including：
By the downlink resource utilization rate of the secondary member carrier compared with the second threshold value, by it is described it is auxiliary into
The ascending resource utilization rate of member's carrier wave is compared with the 3rd threshold value；
If the downlink resource utilization rate of the secondary member carrier is less than the second threshold value and the secondary member carrier
Ascending resource utilization rate is less than the 3rd threshold value, then the user terminal is switched into the secondary member carrier
Ascending resource is adjusted to the ascending resource of user terminal.
5. the control method of the carrier aggregation according to any one of Claims 1-4, its feature exists
In described if the result judged is less than the first threshold value as the ascending resource of the main member carrier
Activation user terminal secondary member carrier the carrier wave of user terminal is adjusted including：
Activate main member carrier of the downlink resource to the user terminal of the secondary member carrier of the user terminal
Downlink resource be adjusted.
6. a kind of control device of carrier aggregation, including：
Judge module, for detect user terminal main member carrier downlink resource whether congestion, and judge
Whether the ascending resource of the main member carrier is more than the first threshold value；
Processing module, in the downlink resource congestion of the main member carrier, being swashed according to the result of judgement
In at least one secondary member carrier of the living user terminal selection meet the secondary member carrier of preparatory condition to
The carrier wave of family terminal is adjusted.
7. the control device of carrier aggregation according to claim 6, it is characterised in that the place
If reason module is additionally operable to the ascending resource for judging result as the main member carrier more than or equal to first
During limit value, the ascending resource utilization rate and downlink resource utilization rate of the secondary member carrier are obtained, according to described
The ascending resource utilization rate and downlink resource utilization rate of secondary member carrier switch to the user terminal described auxiliary
Target cell corresponding to member carrier is adjusted to the carrier wave of user terminal.
8. the control device of carrier aggregation according to claim 7, it is characterised in that the place
Reason module is additionally operable to the ascending resource utilization rate by the secondary member carrier compared with the 3rd threshold value, will
The downlink resource utilization rate of the secondary member carrier is compared with the second threshold value, if the secondary member carrier
Downlink resource utilization rate be less than the ascending resource utilization rate of the second threshold value and the secondary member carrier and be less than the
Three threshold values, then the downlink resource of secondary member carrier of the user terminal is activated to the master of the user terminal
The downlink resource of member carrier is adjusted.
9. the control device of carrier aggregation according to claim 7, it is characterised in that the place
Reason module is additionally operable to the ascending resource utilization rate by the secondary member carrier compared with the 3rd threshold value, will
The downlink resource utilization rate of the secondary member carrier is compared with the second threshold value, if the secondary member carrier
Downlink resource utilization rate be less than the ascending resource utilization rate of the second threshold value and the secondary member carrier and be less than the
Three threshold values, then the user terminal is switched into the ascending resource of the secondary member carrier to user terminal
Ascending resource is adjusted.
10. the control device of the carrier aggregation according to any one of claim 6 to 9, its feature exists
In, if the processing module be additionally operable to the judged result be the main member carrier ascending resource be less than etc.
When the first threshold value, the downlink resource of secondary member carrier of the user terminal is activated to the user terminal
The downlink resource of main member carrier be adjusted.
11. a kind of base station, including：At least one carrier wave as described in any one of claim 6 to 10 gathers
The control device of conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610388730.2A CN107465493A (en) | 2016-06-02 | 2016-06-02 | The control method and device of carrier aggregation, base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610388730.2A CN107465493A (en) | 2016-06-02 | 2016-06-02 | The control method and device of carrier aggregation, base station |
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| CN107465493A true CN107465493A (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610388730.2A Withdrawn CN107465493A (en) | 2016-06-02 | 2016-06-02 | The control method and device of carrier aggregation, base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111371537A (en) * | 2018-12-26 | 2020-07-03 | 中国移动通信集团四川有限公司 | Method, device and equipment for optimizing cell carrier aggregation parameters and storage medium |
| CN111492713A (en) * | 2018-01-11 | 2020-08-04 | 华为技术有限公司 | Method and apparatus for switching between bandwidth portions |
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| CN101686534A (en) * | 2008-09-23 | 2010-03-31 | 华为技术有限公司 | Method, terminal and system for selecting downlink main carrier to carry out data transmission |
| CN103889017A (en) * | 2012-12-21 | 2014-06-25 | 普天信息技术研究院有限公司 | Main carrier selection and switching method |
| CN103906132A (en) * | 2012-12-25 | 2014-07-02 | 普天信息技术研究院有限公司 | Carrier wave load control method |
| CN105517155A (en) * | 2014-09-22 | 2016-04-20 | 普天信息技术有限公司 | Carrier resource dynamic adjustment method and carrier resource dynamic adjustment device based on carrier aggregation |
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| CN101686534A (en) * | 2008-09-23 | 2010-03-31 | 华为技术有限公司 | Method, terminal and system for selecting downlink main carrier to carry out data transmission |
| CN103889017A (en) * | 2012-12-21 | 2014-06-25 | 普天信息技术研究院有限公司 | Main carrier selection and switching method |
| CN103906132A (en) * | 2012-12-25 | 2014-07-02 | 普天信息技术研究院有限公司 | Carrier wave load control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111492713A (en) * | 2018-01-11 | 2020-08-04 | 华为技术有限公司 | Method and apparatus for switching between bandwidth portions |
| CN111492713B (en) * | 2018-01-11 | 2022-04-29 | 华为技术有限公司 | Method and apparatus for switching between bandwidth portions |
| CN111371537A (en) * | 2018-12-26 | 2020-07-03 | 中国移动通信集团四川有限公司 | Method, device and equipment for optimizing cell carrier aggregation parameters and storage medium |
| CN111371537B (en) * | 2018-12-26 | 2023-04-28 | 中国移动通信集团四川有限公司 | Cell carrier aggregation parameter optimization method, device, equipment and storage medium |
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