CN105592553B - Carrier wave method of adjustment and device - Google Patents
Carrier wave method of adjustment and device Download PDFInfo
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- CN105592553B CN105592553B CN201410579982.4A CN201410579982A CN105592553B CN 105592553 B CN105592553 B CN 105592553B CN 201410579982 A CN201410579982 A CN 201410579982A CN 105592553 B CN105592553 B CN 105592553B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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Abstract
The invention discloses a kind of carrier wave method of adjustment and devices, wherein this method comprises: obtaining the carrier information for the carrier wave that user equipment uses, is adjusted according to the carrier information of acquisition to the priority of carrier wave.Through the invention, solving the problems, such as in the related technology not to be adjusted carrier wave priority causes system stability lower, and then achievees the effect that be promoted and load between user performance and equalized carriers.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of carrier wave method of adjustment and device.
Background technique
In order to provide higher data rate, more customer services and new service type, third generation cooperation partner are supported
With plan (Third Generation Partnership Project, referred to as 3GPP) LTE-Advanced (Long Term
Evolution new demand) is had also been proposed on the basis of LTE.Wherein, how to meet bigger bandwidth demand becomes LTE to LTE-
One of most important Consideration of Advanced evolution.This is because: being limited to Communication Development history and radio spectrum resources are tight
Lack etc. factors, the frequency spectrum resource that many operators possess all be often it is discrete, each single frequency band is difficult to meet LTE-
Demand of the Advanced to bandwidth.Therefore, 3GPP tissue propose carrier wave polymerization (Carrier Aggregation, referred to as
CA), the core ideas of CA technology is: multiple continuous or discrete carriers being condensed together, a more wide spectrum is formed.This skill
The application of art not only meets demand of the LTE-Advanced in terms of bandwidth, but also the utilization rate of frequency spectrum fragment can be improved.Wherein,
The user of enabled CA can on multiple member carriers (Component Carrier, referred to as CC) simultaneous transmission.CC is represented
As soon as a up-link carrier or descending carrier, a uplink CC and a downlink CC pass through certain relationship structure together
At a cell.
Since user can use the resource of multiple carrier waves simultaneously, it will necessarily be involved in the problems, such as carrier wave use priority.It is right
For user, the channel quality of different carrier waves is different, also this means that transmission of the user on different carrier waves property achieved
It can be possible different.Simultaneously as a variety of causes, may result in the difference of the load on different carrier waves, to reduce system
Stabilization.
For the problem for causing system stability lower is not adjusted to carrier wave priority in the related technology, at present still
It does not put forward effective solutions.
Summary of the invention
The present invention provides a kind of carrier wave method of adjustment and devices, preferential not to carrier wave in the related technology at least to solve
Grade is adjusted the problem for causing system stability lower.
According to an aspect of the invention, there is provided a kind of carrier wave method of adjustment, comprising: obtain the load that user equipment uses
The carrier information of wave；The priority of carrier wave is adjusted according to the carrier information of acquisition.
Further, be adjusted according to the carrier information of acquisition to the priority of the carrier wave includes: that foundation obtains
The carrier information that takes determine for adjust channel quality information CQI between each carrier wave compare trial of strength threshold value tune
Whole value；The CQI is adjusted according to the determining adjusted value to compare the threshold value of trial of strength；According between each carrier wave
CQI, which compares to haggle, determines the priority of each carrier wave with the threshold value.
Further, adjusting the compare threshold value of trial of strength of the CQI according to the determining adjusted value includes: according to load
The trial of strength that compares of carrier load exports the CQI and compares the threshold value of trial of strength；Alternatively, the trial of strength that compares according to carrier load
Determine that the CQI compares the threshold value of trial of strength with CQI adjustment amount, wherein the CQI adjustment amount is negative according to two intercarriers
The load trial of strength that compares is configured.
Further, exporting the compare threshold value of trial of strength of the CQI according to the trial of strength that compares of carrier load includes: to work as
When the trial of strength that compares of the carrier load is less than first threshold, the threshold value is determined as to be used to tend to selection channel matter
Amount is higher than the first numerical value of the carrier wave of first predetermined value；It, will when the trial of strength that compares of the carrier load is greater than second threshold
The threshold value is determined as tending to second value of the selection load lower than the carrier wave of second predetermined value；Wherein, the door
Limit value is the value more than or equal to 0 and less than or equal to CQI maximum magnitude, and first numerical value is less than second value.
Further, the CQI is determined relatively with CQI adjustment amount delta according to the trial of strength that compares of carrier load
The threshold value CQI_TH of amounti,j: CQI_THi,j(N+1)=CQI_THi,j(N)+delta
Wherein, N indicates that a upper time adjustment, N+1 indicate current time adjustment, and delta is according between carrier wave i and carrier wave j
The trial of strength that compares of the carrier load is configured, and works as Delta_LOADi,jWhen increase, setting delta value is some positive value,
Every time by CQI_THi,jDelta grade is turned up, so that the carrier wave gently loaded is chosen as high priority carrier wave；Work as Delta_
LOADi,jWhen becoming smaller, setting delta value is some negative value, turns down CQI_TH every timei,jDelta grade of value, so that channel quality
Good carrier wave is chosen as high priority carrier wave.
Further, the carrier information includes at least one of: the whether enabled carrier wave of user polymerize CA, user configuration
Carrier number, user activated carrier number, channel quality information CQI of the family on each carrier wave, the load of each carrier wave
Information.
According to another aspect of the present invention, a kind of carrier wave adjustment device is provided, comprising: obtain module, use for obtaining
The carrier information for the carrier wave that family equipment uses；Module is adjusted, for the priority according to the carrier information of acquisition to carrier wave
It is adjusted.
Further, the adjustment module includes: the first determining submodule, for true according to the carrier information obtained
It is fixed for adjust channel quality information CQI between each carrier wave compare trial of strength threshold value adjusted value；Adjusting submodule is used
It compares the threshold value of trial of strength in adjusting the CQI according to the determining adjusted value；Second determines submodule, for according to institute
It states the trial of strength that compares of CQI between each carrier wave and with the threshold value determines the priority of each carrier wave.
Further, the adjusting submodule includes: output unit, for the trial of strength output that compares according to carrier load
The CQI compares the threshold value of trial of strength；Alternatively, determination unit, for compare trial of strength and the CQI adjustment according to carrier load
Amount determines that the CQI compares the threshold value of trial of strength, wherein the CQI adjustment amount compares according to the load of two intercarriers
Trial of strength is configured.
Further, the output unit includes: the first determining subelement, for working as the carrier load relatively
When amount is less than first threshold, the threshold value is determined as to be used to tend to carrier wave of the selection channel quality higher than first predetermined value
The first numerical value；Second determines subelement, will be described for when the trial of strength that compares of the carrier load is greater than second threshold
Threshold value is determined as tending to second value of the selection load lower than the carrier wave of second predetermined value；Wherein, the threshold value
For the value more than or equal to 0 and less than or equal to CQI maximum magnitude, first numerical value is less than second value.
Through the invention, using the carrier information for obtaining the carrier wave that user equipment uses；Believed according to the carrier wave of acquisition
Breath is adjusted the priority of carrier wave, and solving in the related technology not to be adjusted carrier wave priority causes system to be stablized
Property lower problem, and then achieve the effect that be promoted and be loaded between user performance and equalized carriers.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of carrier wave method of adjustment according to an embodiment of the present invention；
Fig. 2 is the block diagram of carrier wave adjustment device according to an embodiment of the present invention；
Fig. 3 is the block diagram one of carrier wave adjustment device according to the preferred embodiment of the invention；
Fig. 4 is the block diagram two of carrier wave adjustment device according to the preferred embodiment of the invention；
Fig. 5 is the block diagram three of carrier wave adjustment device according to the preferred embodiment of the invention；
Fig. 6 is the block diagram of carrier wave priority adjustment device according to the preferred embodiment of the invention；
Fig. 7 is the schematic diagram one of carrier wave priority adjustment according to the preferred embodiment of the invention；
Fig. 8 is the schematic diagram two of carrier wave priority adjustment according to the preferred embodiment of the invention；
Fig. 9 is the flow chart of carrier wave priority level adjustment method according to the preferred embodiment of the invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of carrier wave method of adjustment is provided in the present embodiment, and Fig. 1 is carrier wave adjustment side according to an embodiment of the present invention
The flow chart of method, as shown in Figure 1, the process includes the following steps:
Step S102 obtains the carrier information for the carrier wave that user equipment uses；
Step S104 is adjusted the priority of carrier wave according to the carrier information of acquisition.
Through the above steps, the carrier information for obtaining the carrier wave that user equipment uses, according to the carrier information pair of acquisition
The priority of carrier wave is adjusted, solve carrier wave priority is not adjusted in the related technology cause system stability compared with
Low problem, and then achieve the effect that be promoted and be loaded between user performance and equalized carriers.
In the present embodiment, being adjusted according to the carrier information of acquisition to the priority of the carrier wave includes: according to acquisition
The carrier information determine for adjust channel quality information CQI between each carrier wave compare trial of strength threshold value adjustment
Value adjusts the CQI according to the determining adjusted value and compares the threshold value of trial of strength, compared according to CQI between each carrier wave
Trial of strength determines the priority of each carrier wave with the threshold value.
Further, it includes: negative according to carrier wave for adjusting the compare threshold value of trial of strength of the CQI according to the determining adjusted value
The trial of strength that compares carried exports the CQI and compares the threshold value of trial of strength；Alternatively, compare trial of strength and CQI according to carrier load
Adjustment amount determines that the CQI compares the threshold value of trial of strength, wherein the CQI adjustment amount compares according to the load of two intercarriers
Trial of strength is configured.
Further, according to carrier load compare trial of strength export the CQI compare trial of strength threshold value include: when should
When the trial of strength that compares of carrier load is less than first threshold, which is determined as being used to tend to that channel quality to be selected to be higher than
First numerical value of the carrier wave of first predetermined value；When the trial of strength that compares of the carrier load is greater than second threshold, by the threshold value
It is determined as tending to second value of the selection load lower than the carrier wave of second predetermined value；Wherein, the threshold value be greater than etc.
In 0 and be less than or equal to CQI maximum magnitude value, first numerical value be less than second value.
Further, according to carrier load compare trial of strength and CQI adjustment amount delta determines that the CQI compares trial of strength
Threshold value CQI_THi,j: CQI_THi,j(N+1)=CQI_THi,j(N)+delta
Wherein, N indicates that a upper time adjustment, N+1 indicate current time adjustment, and delta is according between carrier wave i and carrier wave j
The trial of strength that compares of carrier load is configured, and works as Delta_LOADi,jWhen increase, setting delta value is some positive value, every time
Delta grade is turned up in v, so that the carrier wave gently loaded is easier to be chosen as high priority carrier wave；Work as Delta_LOADi,jBecome
Hour, setting delta value is some negative value, turns down CQI_TH every timei,jDelta grade of value, so that the carrier wave that channel quality is good
It is easier to be chosen as high priority carrier wave.
In the present embodiment, above-mentioned carrier information includes at least one of: the whether enabled carrier wave of user polymerize CA, user
The carrier number of configuration, user activated carrier number, channel quality information CQI of the family on each carrier wave, each carrier wave
Load information.
The embodiment of the invention also provides a kind of carrier waves to adjust device, and the device is real for realizing above-described embodiment and preferably
Mode is applied, the descriptions that have already been made will not be repeated.As used below, the soft of predetermined function may be implemented in term " module "
The combination of part and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also that may and be contemplated.
Fig. 2 is the block diagram of carrier wave adjustment device according to an embodiment of the present invention, as shown in Figure 2, comprising: obtain 22 He of module
Module 24 is adjusted, modules are briefly described below.
Module 22 is obtained, for obtaining the carrier information for the carrier wave that user equipment uses；
Module 24 is adjusted, for being adjusted according to the carrier information of acquisition to the priority of carrier wave.
Fig. 3 is the block diagram one of carrier wave adjustment device according to the preferred embodiment of the invention, as shown in figure 3, the adjustment module
24 include:
First determines submodule 32, for determining according to the carrier information obtained for adjusting channel between each carrier wave
Quality information CQI compare trial of strength threshold value adjusted value；
Adjusting submodule 34 compares the threshold value of trial of strength for adjusting the CQI according to the determining adjusted value；
Second determines submodule 36, determines respectively for comparing to haggle according to CQI between each carrier wave with the threshold value
The priority of a carrier wave.
Fig. 4 is the block diagram two of carrier wave adjustment device according to the preferred embodiment of the invention, as shown in figure 4, the adjustment submodule
Block 34 includes:
Output unit 42 exports the CQI for the trial of strength that compares according to carrier load and compares the threshold value of trial of strength；Or
Determination unit 44, for according to carrier load compare trial of strength and CQI adjustment amount determines that the CQI compares trial of strength
Threshold value, wherein the CQI adjustment amount is configured according to the load of the two intercarriers trial of strength that compares.
Fig. 5 is the block diagram three of carrier wave adjustment device according to the preferred embodiment of the invention, as shown in figure 5, the output unit
42 include:
First determines subelement 52, when the trial of strength that compares of the carrier load is less than first threshold, the threshold value is true
It is set to the first numerical value of the carrier wave for tending to that channel quality is selected to be higher than first predetermined value；
Second determine subelement 54, for when the carrier load compare trial of strength be greater than second threshold when, by the thresholding
Value is determined as tending to second value of the selection load lower than the carrier wave of second predetermined value；Wherein, the threshold value be greater than
Value equal to 0 and less than or equal to CQI maximum magnitude, first numerical value are less than second value.
The embodiment of the present invention is further described below with reference to optional embodiment.
The present embodiment additionally provides a kind of method that carrier wave priority is adjusted in carrier aggregation scene, passes through carrier wave priority
Adjustment, can be realized intercarrier load balancing, to further increase the performance of system, Fig. 6 is preferred real according to the present invention
Apply example carrier wave priority adjustment device block diagram, as shown in Figure 6, comprising: information acquisition unit 62, information process unit 64,
Adjustment unit 66 and decision package 68, are further illustrated below.
1, base station obtains the relevant information of user, this step is properly termed as information acquisition unit 62, and function is by above-mentioned
Acquisition module 22 in inventive embodiments is realized.Wherein, the relevant information of user includes the one or more of following information: being used
The whether enabled CA in family, the carrier number of user configuration, user activated carrier number.The relevant information of user further includes following letter
The one or more of breath: channel quality information (CQI) and each carrier wave of the user on each carrier wave specifically load letter
Breath.Wherein, CQI can be broadband CQI, but not limited to this；The load of carrier wave can be resource utilization, but not limited to this.
2, base station handles above- mentioned information, obtains comparing the associated arguments of threshold value of haggling for adjusting CQI, this
Step is properly termed as information process unit 64, and function is determined by first in adjustment module 24 above-mentioned in the embodiment of the present invention
Submodule 32, adjusting submodule 34, second determine that submodule 36 is realized together.Wherein, the processing that base station carries out information can be with
Including following operation: obtaining the trial of strength that compares of channel quality information of the user on each carrier wave by modes such as calculating；Base
The processing carried out to information of standing can also include processing to load information, such as calculate and load relatively between each carrier wave
Amount.Wherein, the CQI trial of strength that compares can be presented in the form of the absolute value of CQI difference, and specific calculation can be with are as follows:
Delta_CQIi,j=∣ CQIi-CQIj∣, wherein i ≠ j, CQIjIndicate user carrier wave i channel quality information,
CQIjIndicate user in the channel quality information of carrier wave j.Load compares trial of strength can be in the form of the absolute value of load difference
It presents, specific calculation can be with are as follows:
Delta_LOADi,j=∣ LOADj-LOADj∣
Wherein, i is not equal to j, and LOADi indicates the load of carrier wave i, LOADjIndicate the load of carrier wave j.Wherein, CQI is opposite
Comparative quantity and comparing for load are haggled and can also be presented in a manner of ratio, and specific calculation can be with are as follows: Delta_
CQIi,j=CQIi/CQIj(wherein i ≠ j), CQIiIndicate channel quality information of the user in carrier wave i, CQIjIndicate that user is carrying
The channel quality information of wave j；
Delta_LOADi,j=LOADj/LOADj(wherein i ≠ j), LOADjIndicate user carrier wave i load information,
LOADjIndicate user in the channel quality information of carrier wave j.Delta_CQI is calculated it should be noted that being likely to occuri,jWith
Delta_LOADi,jWhen there is the case where denominator is zero, need at this time such case carry out specially treated, can such as take will point
Mother is set greater than the modes such as the positive real number replacement of 0 very little.Wherein, the compare threshold value that haggles of CQI (can use CQI_THi,j
Indicate, for carrier wave i compared between carrier wave j) setting be mainly used for the judgement of carrier wave priority in later step.Wherein,
If user possesses more than two at sub-carrier, base station can carry out related letter to multiple carrier waves in a manner of handling between any two
The processing of breath.
3, base station is according to certain criterion, compares the thresholding (CQI_TH of trial of strength in time adjustment adjustment user CQIi,j),
This step is properly termed as adjustment unit 66, and function is by adjustment module 24 and its submodule for including above-mentioned in the present embodiment
And unit is realized together.Wherein, certain criterion may is that the loading condition for considering each carrier wave, and CQI compares the door of trial of strength
The adjustment direction of limit value are as follows: so that the carrier wave that channel quality is good, load is light is easier to be chosen as high priority carrier wave, but be not limited to
This.Wherein, the meaning of time adjustment can both refer to the time adjustment periodically adjusted, can also refer to aperiodicity time adjustment.
The compare adjustment of threshold value of trial of strength of specific CQI can be carried out using following scheme.
Scheme one: it is compared the threshold value CQI_TH of trial of strength according to the trial of strength output CQI that compares of each carrier loadi,j, figure
7 be the schematic diagram one of carrier wave priority adjustment according to the preferred embodiment of the invention, as shown in fig. 7,
CQI_THi,jSetting can be according to the trial of strength (Delta_LOAD that compares of each carrier wavei,jDifference set respectively
It sets.Work as Delta_LOADi,jIt, can be by CQI_TH when smalleri,jIt is arranged to lesser value, user is made to be more likely to selection channel matter
Measure preferable carrier wave；And work as Delta_LOADi,jWhen larger, v can be arranged to biggish value, user is made to be more likely to select
The carrier wave of light load；Wherein CQI_THi,jFor the value more than or equal to 0 and less than or equal to CQI maximum magnitude.As user possess it is more
It is a then to take the mode compared two-by-two at sub-carrier, the user CQI trial of strength that compares is adjusted respectively.
Scheme two: according to the relative case of each carrier load export CQI compare trial of strength thresholding CQI adjustment amount
Delta, Fig. 8 are the schematic diagrames two of carrier wave priority adjustment according to the preferred embodiment of the invention, as shown in figure 8,
The CQI_TH of a upper time adjustment can be referred toi,jIt is worth, then the CQI_TH at this momenti,jValue are as follows:
CQI_THi,j(N+1)=CQI_THi,j(N)+delta
Wherein, N indicates that a upper time adjustment, N+1 indicate current time adjustment.Wherein, delta can according to carrier wave i with
Delta_LOAD between carrier wave ji,jDifference is configured respectively, is such as compared with last moment, is worked as Delta_LOADi,jWhen increase,
It is some positive value that delta value, which can be set, every time by CQI_THi,jDelta grade is turned up, so that the carrier wave gently loaded more holds
Easily it is chosen as high priority carrier wave；Conversely, working as Delta_LOADi,jWhen becoming smaller, it is some negative value that delta value, which can be set, every time
Turn down CQI_THi,jDelta grade of value, so that the carrier wave that channel quality is good is easier to be chosen as high priority carrier wave.Such as user
Possess multiple at sub-carrier, then can take the mode compared two-by-two, the user CQI trial of strength that compares is adjusted respectively.
Two kinds are only listed above CQI are adjusted according to the relative case of each carrier load compare the scheme of thresholding of haggling,
Other, which adjust the compare thresholding that haggles of CQI according to loading condition, all can serve as Adjusted Option, no longer be arranged one by one herein
It lifts.
4, user is compared trial of strength in the CQI of each carrier wave by base station and threshold value compares, and comprehensively considers each carrier wave
Loading condition finally determines that the priority of carrier wave, this step are properly termed as decision package 68.
The judgement of intercarrier channel quality is carried out according to following formula first:
∣CQIi-CQIj∣≥CQI_THi,j
When above formula meets, select the preferable carrier wave of channel quality as high priority carrier wave；And formula it ought be discontented with above
It when sufficient, then needs to consider the loading condition of each intercarrier, selects the carrier wave of light load as high priority carrier wave；If above formula
It is unsatisfactory for and the load of each intercarrier is not much different, then other methods can be taken to determine the priority of carrier wave, such as random plan
Slightly, that is, a carrier wave is randomly choosed as high priority carrier wave；Or stable strategy, i.e. the constant original in the main plot of holding user
Then etc..Fig. 9 is the flow chart of carrier wave priority level adjustment method according to the preferred embodiment of the invention, as shown in figure 9, include with
Lower step:
Step S902, CQI/ the load trial of strength that compares obtain CQI/ load and compare the threshold value acquisition that haggles；
Step S904 judges that CQI compares trial of strength greater than CQI_TH, in the case where the judgment result is yes, executes step
S910 executes step S906 if the determination result is NO；
Step S906 considers that each carrier load situation carries out decision；
Step S908 judges that each carrier load compares trial of strength less than thresholding, in the case where the judgment result is yes, executes
Step S912 executes step S914 if the determination result is NO；
Step S910, user select the preferable carrier wave of channel quality for high priority carrier wave；
Step S912, using other policy selection high priority carrier waves；
Step S914, user select the carrier wave of light load for high priority carrier wave.
It, can be final to determine such as bubble sort method by the way of comparing two-by-two if user possesses multiple activation carrier waves
The priority orders of carrier wave.
Assuming that the activation carrier number of user is N number of, wherein user is in CC1On channel quality information be CQI1, load
For LOAD1；User is in CC2On channel quality information be CQI2, load as LOAD2；User is in CCNOn channel quality information
For CQIN, the difference threshold of two intercarrier CQI is CQI_THi,j(i ≠ j, i≤j, j≤N).It specifically includes:
1, base station obtains the relevant information of user.
The relevant information of user includes the one or more of following information: the whether enabled CA of user, the load of user configuration
Wave number mesh, user activated carrier number.The relevant information of user further includes the one or more of following information: user is each
Channel quality information (CQI) and the specific load information of each carrier wave on a carrier wave.Wherein, CQI can be broadband CQI,
But not limited to this；The load of carrier wave can be resource utilization, but not limited to this.
2, base station handles above- mentioned information, obtains comparing the associated arguments of threshold value of haggling for adjusting CQI.
When CQI compares trial of strength with the presentation of CQI difference, Delta_CQIi,j=∣ CQIi-CQIj∣, load compare trial of strength with
When load difference is presented, Delta_LOADi,j=∣ LOADj-LOADjWhen ∣, CQI compare trial of strength with the presentation of CQI ratio, Delta_
CQIi,j=CQIi/CQIj(work as CQIjWhen ≠ 0), load compares trial of strength when presenting with duty ratio value, Delta_LOADi,j=
LOADj/LOADj(work as LOADjWhen ≠ 0), work as CQIjOr LOADjWhen being 0, lesser positive real number CQI can be usedjAnd LOADjGeneration
It replaces, it may be assumed that
Delta_CQIi,j=CQIi/CQIjAnd Delta_LOADi,j=LOADj/LOADj, but not limited to this method.
3, base station is according to certain criterion, compares the thresholding of trial of strength in time adjustment adjustment user CQI: CQI_THi,j。
Method one exports CQI according to the relative case of each carrier load and compares the thresholding of trial of strength.
Specifically, the threshold value for the trial of strength that can be compared by several fixed loads of setting and CQI is several to constitute
A judgment condition, provided under different judgment conditions CQI compare trial of strength thresholding occurrence, specific CQI compares trial of strength
Threshold value can be obtained according to following form.
If Delta_LOADi,j<LOAD_THi,j_1
CQI_THi,j=CQI_THi,j1
else if LOAD_THi,j_1<Delta_LOADi,j<LOAD_THi,j_2
CQI_THi,j=CQI_THi,j2
else if
……
else
end
Wherein, CQI_THi,j1, CQI_THi,j2 be carrier wave CC respectively1And CC2CQI compare the threshold value that haggles, LOAD_
THi,j1 and LOAD_THi,j2 be the carrier wave CC that system is arranged according to the weight of system load1And CC2Load compare trial of strength
Threshold value.CQI_THi,jSetting can be according to the Delta_LOAD of carrier wave i and carrier wave ji,jDifference is configured respectively, is such as worked as
Delta_LOADi,jIt, can be by CQI_TH when smalleri,jBe arranged to lesser value, make user be more likely to selection channel quality compared with
Good carrier wave；And work as Delta_LOADi,jIt, can be by CQI_TH when largeri,jIt is arranged to biggish value, user is made to be more likely to select
Select the carrier wave of light load.Such as when the very heavy carrier channel quality of load is preferable, if CQI_THi,jIt is larger, then when two
The CQI of carrier wave compares trial of strength less than CQI_THi,jWhen, then will not the reselection carrier wave that channel quality is good, but select load light
Carrier wave；If the channel quality of the carrier wave of load weight is very good certainly, high priority carrier wave still can be used as.Wherein
CQI_THi,jFor the value more than or equal to 0 and less than or equal to CQI maximum magnitude.
Method two, according to the relative case of each carrier load export CQI compare trial of strength thresholding CQI adjustment amount
delta
The CQI_TH of a upper time adjustment can be referred toi,jIt is worth, then the CQI_TH at this momenti,jValue are as follows:
CQI_THi,j(N+1)=CQI_THi,j(N)+deltai,j
Wherein, N indicates that a upper time adjustment, N+1 indicate current time adjustment.Wherein, deltai,jIt can be carried according to two
Load between wave compares trial of strength: Delta_LOADi,jDifference be configured respectively, such as compared with last moment, work as Delta_
LOADi,jWhen increase, it is some positive value that delta value, which can be set, every time by CQI_THi,jDelta is turned upi,jA grade, so that gently
The carrier wave of load is easier to be chosen as high priority carrier wave；Conversely, working as Delta_LOADi,jWhen becoming smaller, delta can be seti,j
Value is some negative value, turns down CQI_TH every timei,jValue deltai,jA grade, so that the carrier wave that channel quality is good is easier to be chosen as
High priority carrier wave.
4, user is compared trial of strength in the CQI of each carrier wave by base station and threshold value compares, and comprehensively considers each carrier wave
Loading condition finally determines the priority of carrier wave.
The judgement of intercarrier channel quality is carried out according to following formula first:
∣CQIi-CQIj∣≥CQI_THi,j
When above formula meets, select the preferable carrier wave of channel quality as high priority carrier wave；And formula it ought be discontented with above
It when sufficient, then needs to consider the loading condition of each intercarrier, selects the carrier wave of light load as high priority carrier wave；If above formula
It is unsatisfactory for and the load of each intercarrier is not much different (settable to load the threshold value that haggles that compares), then can take others side
Method determines the priority of carrier wave, such as randomized policy, that is, randomly chooses a carrier wave as high priority carrier wave；Or stablize plan
Slightly, i.e. the constant principle etc. in the main plot of holding user.
Judged to obtain final each carrier wave priority at sub-carrier according to the priority of intercarrier two-by-two.Above-mentioned channel
The compare setting of threshold value of trial of strength of quality information and load can be obtained using the modes such as emulating.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of carrier wave method of adjustment characterized by comprising
Obtain the carrier information for the carrier wave that user equipment uses；
The priority of carrier wave is adjusted according to the carrier information of acquisition；
Wherein, it includes: according to acquisition that the carrier information according to acquisition, which is adjusted the priority of the carrier wave,
The carrier information determine for adjust channel quality information CQI between each carrier wave compare trial of strength threshold value adjustment
Value；The CQI is adjusted according to the determining adjusted value to compare the threshold value of trial of strength；According to CQI between each carrier wave
The trial of strength that compares determines the priority of each carrier wave with the threshold value.
2. the method according to claim 1, wherein it is opposite to adjust the CQI according to the determining adjusted value
The threshold value of comparative quantity includes:
The CQI is exported according to the trial of strength that compares of carrier load to compare the threshold value of trial of strength；Or
According to carrier load compare trial of strength and CQI adjustment amount determines that the CQI compares the threshold value of trial of strength, wherein institute
CQI adjustment amount is stated to be configured according to the load of the two intercarriers trial of strength that compares.
3. according to the method described in claim 2, it is characterized in that, the trial of strength that compares according to carrier load exports the CQI
The threshold value of trial of strength of comparing includes:
When the trial of strength that compares of the carrier load is less than first threshold, the threshold value is determined as being used to tend to select
Channel quality is higher than the first numerical value of the carrier wave of first predetermined value；
When the trial of strength that compares of the carrier load is greater than second threshold, the threshold value is determined as being used to tend to select
Second value of the load lower than the carrier wave of second predetermined value；
Wherein, the threshold value is the value more than or equal to 0 and less than or equal to CQI maximum magnitude, and first numerical value is less than second
Numerical value.
4. according to the method described in claim 2, it is characterized in that, compare trial of strength and CQI adjustment amount according to carrier load
Delta determines that the CQI compares the threshold value CQI_TH of trial of strengthi,j:
CQI_THi,j(N+1)=CQI_THi,j(N)+delta
Wherein, N indicates that a upper time adjustment, N+1 indicate current time adjustment, and delta is according between carrier wave i and carrier wave j
The trial of strength that compares of carrier load is configured, and works as Delta_LOADi,jWhen increase, setting delta value is some positive value, every time
By CQI_THi,jDelta grade is turned up, so that the carrier wave gently loaded is chosen as high priority carrier wave；Work as Delta_LOADi,jBecome
Hour, setting delta value is some negative value, turns down CQI_TH every timei,jDelta grade of value, so that the carrier wave that channel quality is good
It is chosen as high priority carrier wave.
5. method according to claim 1 to 4, which is characterized in that the carrier information include it is following at least
One of:
The whether enabled carrier wave of user polymerize CA, and the carrier number of user configuration, user activated carrier number, user is in each load
Channel quality information CQI on wave, the load information of each carrier wave.
6. a kind of carrier wave adjusts device characterized by comprising
Module is obtained, for obtaining the carrier information for the carrier wave that user equipment uses；
Module is adjusted, for being adjusted according to the carrier information of acquisition to the priority of carrier wave；
Wherein, the adjustment module includes: the first determining submodule, for determining according to the carrier information obtained for adjusting
Channel quality information CQI compares the adjusted value of the threshold value of trial of strength between whole each carrier wave；Adjusting submodule, for according to really
The fixed adjusted value adjusts the CQI and compares the threshold value of trial of strength；Second determines submodule, for according to each load
CQI, which compares to haggle, between wave determines the priority of each carrier wave with the threshold value.
7. device according to claim 6, which is characterized in that the adjusting submodule includes:
Output unit exports the CQI for the trial of strength that compares according to carrier load and compares the threshold value of trial of strength；Or
Determination unit, for according to carrier load compare trial of strength and CQI adjustment amount determines that the CQI compares the door of trial of strength
Limit value, wherein the CQI adjustment amount is configured according to the load of the two intercarriers trial of strength that compares.
8. device according to claim 7, which is characterized in that the output unit includes:
First determine subelement, for when the carrier load compare trial of strength be less than first threshold when, by the threshold value
It is determined as the first numerical value of the carrier wave for tending to that channel quality is selected to be higher than first predetermined value；
Second determine subelement, for when the carrier load compare trial of strength be greater than second threshold when, by the threshold value
It is determined as tending to second value of the selection load lower than the carrier wave of second predetermined value；Wherein, the threshold value be greater than
Value equal to 0 and less than or equal to CQI maximum magnitude, first numerical value are less than second value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579982.4A CN105592553B (en) | 2014-10-24 | 2014-10-24 | Carrier wave method of adjustment and device |
| PCT/CN2015/083400 WO2016062118A1 (en) | 2014-10-24 | 2015-07-06 | Method and device for carriers adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579982.4A CN105592553B (en) | 2014-10-24 | 2014-10-24 | Carrier wave method of adjustment and device |
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| CN105592553A CN105592553A (en) | 2016-05-18 |
| CN105592553B true CN105592553B (en) | 2019-03-15 |
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| CN201410579982.4A Active CN105592553B (en) | 2014-10-24 | 2014-10-24 | Carrier wave method of adjustment and device |
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| CN113923670A (en) * | 2020-07-10 | 2022-01-11 | 中国移动通信集团重庆有限公司 | Wireless network carrier frequency balance degree identification method and device and computing equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111813A (en) * | 2010-03-22 | 2011-06-29 | 电信科学技术研究院 | Method and equipment for balancing loads of carriers |
| CN102638896A (en) * | 2011-02-15 | 2012-08-15 | 中兴通讯股份有限公司 | Method and system for determining priority level of component carrier |
| CN103686826A (en) * | 2012-09-18 | 2014-03-26 | 普天信息技术研究院有限公司 | Admission control method of carrier aggregation system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2399421A1 (en) * | 2009-02-18 | 2011-12-28 | Telefonaktiebolaget L M Ericsson (publ) | Method and arrangement in a communication system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111813A (en) * | 2010-03-22 | 2011-06-29 | 电信科学技术研究院 | Method and equipment for balancing loads of carriers |
| CN102638896A (en) * | 2011-02-15 | 2012-08-15 | 中兴通讯股份有限公司 | Method and system for determining priority level of component carrier |
| CN103686826A (en) * | 2012-09-18 | 2014-03-26 | 普天信息技术研究院有限公司 | Admission control method of carrier aggregation system |
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| CN105592553A (en) | 2016-05-18 |
| WO2016062118A1 (en) | 2016-04-28 |
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