Summary of the invention
Main purpose of the present invention provides a kind of method for managing resource and base station, has solved only to utilize historical resource scheduling information of user and OI class information to carry out the performance loss problem that the power adjustment brings in the prior art.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of method for managing resource, it comprises:
The user that the base station obtains in this sector takies the comprehensive OI class information of the adjacent sectors of receiving on the RB section at current time;
Obtain the quality of services for users satisfaction;
Obtain the user takies said RB section in said statistic window is long time ratio;
Take the comprehensive OI class information of the adjacent sectors of receiving on the RB section, quality of services for users satisfaction and user take said RB section in said statistic window is long time ratio according to said user at current time and the user is carried out the power adjustment of different step-lengths.
Preferably, the user that said base station obtains in this sector takies the comprehensive OI class information of adjacent sectors in statistic window is long of receiving on the RB section at current time, specifically comprise:
The base station obtains OI class information on each RB section of this sector, and OI class information on said each RB section is sent to adjacent sectors, and through the OI class information on each RB section of this adjacent sectors of said this sector reception adjacent sectors transmission;
OI class information on each RB section of said this adjacent sectors is adjusted, and obtains the OI class information on each RB section of adjusted this adjacent sectors;
Calculate the comprehensive OI class information of all adjacent sectors on the whole RB section of CU according to the OI class information on said each RB section of adjusted each adjacent sectors.
Preferably, the OI class information on each RB section of this adjacent sectors of said reception adjacent sectors transmission; Afterwards, further comprise: and the OI class information on said each RB section of all adjacent sectors that receive carried out grade classification.
Preferably, said OI class information on each RB section of said this adjacent sectors is adjusted, is specifically comprised:
Circulate all users of this this sector obtain the resource location information of current time CU in the said sector;
Calculate the target strong jamming adjacent sectors and the Interference Estimation value of each user of each user's current time to said strong jamming adjacent sectors;
Judge whether said Interference Estimation value surpasses thresholding; If surpass; The OI grade on the resource location of this CU that then keeps said adjacent sectors to send is constant, if be lower than said thresholding, then reduces the OI grade on the resource location of this CU that this adjacent sectors sends.
Preferably, said according to the comprehensive OI class information of all adjacent sectors of calculating of the OI class information on said each RB section of adjusted each adjacent sectors on CU RB section, specifically comprise:
According to all the adjacent comprehensive OI class informations on CU RB section of OI rating calculation on each RB section of each adjustment back adjacent sectors transmission, then according to the comprehensive OI class information on the whole RB section of the OI rating calculation CU on each RB section of said CU.
The present invention also provides a kind of base station, and it comprises:
The class information acquiring unit, the user who is used to obtain in this sector takies the comprehensive OI class information of adjacent sectors in statistic window is long of receiving on the RB section at current time;
The quality information acquiring unit is used to obtain the quality of services for users satisfaction;
Time ratio acquiring unit is used to obtain the user takies said RB section in said statistic window is long time ratio;
Power adjustment unit is used for taking the adjacent sectors received on the RB section comprehensive OI class information, quality of services for users satisfaction and the user in statistic window is long take said RB section in said statistic window is long time ratio at current time according to said user the power that the user carries out different step-lengths is adjusted.
Preferably, said class information acquiring unit comprises:
Class information sends and receives subelement; Be used to obtain OI class information on each RB section of this sector; OI class information on each RB section of said sector is sent to adjacent sectors, and through the OI class information on each RB section of this adjacent sectors of said sector reception adjacent sectors transmission;
Class information adjustment subelement is adjusted the OI class information on each RB section of said this adjacent sectors, obtains the OI class information on each RB section of adjusted this adjacent sectors;
The class information computation subunit is used for calculating the comprehensive OI class information of all adjacent sectors on the whole RB section of CU according to the OI class information on said each RB section of adjusted each adjacent sectors.
Preferably, said class information sends and receives subelement, also is used for the OI class information on said each RB section of all adjacent sectors that receive is carried out grade classification.
Preferably, said class information adjustment subelement comprises:
Resource location information acquisition module, all users of this sector that is used to circulate obtain the resource location information of current time CU in the said sector;
Interference estimation block is used to calculate the target strong jamming adjacent sectors of each user's current time and the Interference Estimation value that each user arrives said strong jamming adjacent sectors;
The grade judging treatmenting module; Be used to judge whether said Interference Estimation value surpasses thresholding; If surpass; The OI grade on the resource location of this CU that then keeps said adjacent sectors to send is constant, if be lower than said thresholding, then reduces the OI grade on the resource location of this CU that this adjacent sectors sends.
Preferably; Said class information computation subunit; The comprehensive OI class information of all adjacent sectors of OI rating calculation on CU RB section on each the RB section that is used for sending according to each adjustment back adjacent sectors is then according to the comprehensive OI class information of said all adjacent sectors on the whole RB section of the comprehensive OI rating calculation CU on the CU RB section.
The technical scheme of embodiment of the present invention; Has following beneficial effect: method for managing resource provided by the invention and base station; According to user's current time the interference size of adjacent sectors is adjusted the OI grade more accurately and effectively; Take the time ratio and the quality of services for users satisfaction adjustment user emission power of current resource simultaneously constantly according to the user; Effectively solve and only utilize the indication of historical resource scheduling information of user and OI class information to carry out the performance loss problem that the power adjustment brings in the prior art, improved the performance of power adjustment.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of method for managing resource, and is as shown in Figure 1, and the method comprising the steps of:
The user that S110, base station obtain in this sector takies the comprehensive OI class information of adjacent sectors in statistic window is long of receiving on the RB section at current time;
K sector arranged in the network, and each sector is sent the OI class information of this sector and is given all adjacent sectors, receives the OI class information that send other adjacent sectors base stations simultaneously.In this embodiment, choose a sector, carry out the step of this method, but the step of this method is applicable to each sector in the network as reference.
In the present embodiment, concrete, as shown in Figure 2, this step S110 comprises step:
S111, base station obtain OI class information on each RB section of this sector, and OI class information on each RB section of said sector is sent to adjacent sectors, and the OI class information on each RB section of this adjacent sectors of reception adjacent sectors transmission;
S112, base station are adjusted the OI class information on each RB section of said this adjacent sectors, obtain the OI class information on each RB section of adjusted this adjacent sectors;
The comprehensive OI class information of all adjacent sectors on CU RB section calculated according to the OI class information on said each RB section of adjusted each adjacent sectors in S113, base station.More concrete, this step S113 comprises:
According to the comprehensive OI class information of all adjacent sectors of OI rating calculation on CU RB section on each RB section of each adjustment back adjacent sectors transmission, then according to the comprehensive OI class information on the whole RB section of the OI rating calculation CU on each RB section of said CU.
In addition; In other embodiment; OI class information on each RB section of this adjacent sectors that said step S111, base station reception adjacent sectors send, afterwards, further comprise: the OI class information on said each RB section of all adjacent sectors that receive carries out grade classification.
S120, obtain the quality of services for users satisfaction; In the present embodiment, mainly obtain this quality of services for users satisfaction through the method for each calculation of parameter.
S130, obtain the user takies said RB section in said statistic window is long time ratio; In the present embodiment, mainly obtain this user takies said RB section in said statistic window is long time ratio through the method for each calculation of parameter.
S140, take comprehensive OI class information, quality of services for users satisfaction and the user of adjacent sectors in statistic window is long who receives on the RB section take said RB section in said statistic window is long time ratio according to said user at current time the power that the user carries out different step-lengths is adjusted.
In the above-described embodiments, more concrete, said step S112, base station are adjusted the OI class information on each RB section of said this adjacent sectors, and be as shown in Figure 3, specifically comprises:
All users of S1121, this this sector of circulating obtain the resource location information of current time CU in the said sector;
S1122, the target strong jamming adjacent sectors that calculates each user's current time and each user are to the Interference Estimation value of said strong jamming adjacent sectors;
S1123, judge that whether said Interference Estimation value surpasses thresholding; If surpass; The OI grade on the resource location of this CU that then keeps said adjacent sectors to send is constant, if be lower than said thresholding, then reduces the OI grade on the resource location of this CU that this adjacent sectors sends.
The method for managing resource that the foregoing description provides; Each sector is sent the OI class information of this sector and is given all adjacent sectors; Other adjacent areas transmissions OI grade is also received in each sector; According to user's current time the disturbed condition of adjacent sectors is adjusted the OI grade more accurately and effectively; With the user takies said RB section in said statistic window is long time ratio the user is carried out the power adjustment of different step-lengths according to the quality of services for users satisfaction simultaneously, effectively solve and only utilize the indication of historical resource scheduling information of user and OI class information to carry out the performance loss problem that the power adjustment brings in the prior art, improved the performance of power adjustment.
More concrete embodiment is provided below, method provided by the invention is described in more detail.
K sector arranged in this network; Each sector is sent the OI class information of this sector and is given all adjacent sectors; This OI class information has indicated each adjacent sectors of this sector of statistics in a period of time to the disturbed condition on all RB sections of this sector; Therefore; Sector k can receive other all K-1 adjacent sectors (be respectively sector 1, sector 2 ... sector k-1, sector k+1 ... sector K) OI class information on each RB section of sending, after the OI class information of all adjacent sectors of receiving handled, the user the sector in carried out power according to current time resource occupation probability and the quality satisfaction of self and controls.Be example with sector 1 below, specify:
Step 1: the IoT size on each RB section of this sector is measured in each sector, divides the OI grade, sends the OI class information and gives all adjacent sectors.
Step 2: sector 1 receive sector k (k=2,3 ... the OI class information OI that K) sendsk, OIkBe an ordered series of numbers, the element OI in the ordered series of numbersI, kIndicated the strong and weak degree that disturbed by adjacent sectors on i the RB section of sector k.
Step 3: by OI
kConfirm to be disturbed among the k of sector strong RB section to indicate
RB section in being disturbed is indicated
Disturbed weak RB section to indicate
Almost interference-free RB section indication
Its method is following:
Step 4: the user in the rotating sector 1, obtain in the sector 1 user UE (u=1,2 ... the RB fragment position that UeNum) takies, wherein UeNum be dispatched in the sector 1 total number of users.
Calculate the equivalence of the user UE k in the sector 1 and disturb big or small I to the sectorNeib
Wherein N is that statistic window is long, and statistic window is long to be N TTI, pl
iUser UE is to the circuit loss value of adjacent sectors k when being i TTI,
Be the transmission power level of user UE when i TTI works, α, β are weight factor.
Disturb I according to equivalenceNeibSize, judge that high interference that sector k issues sector 1 indicates whether that user UE in the sector 1 causes.If then the indication of the OI class information on the RB section of this CU remains unchanged; If not, then change the indication of the OI class information on the corresponding RB section of receiving of sector k; This moment if the OI class information on certain RB section be designated as " high " (height) or " medium " (in), the indication of the OI class information that then sector k on this RB section is sent changes to null (sky), handles as follows:
Step 5: establishing the RB segment length that user UE takies is X, and calculating among different OI strength indicator values
that the sector k in this RB section sends and
is that 1 value ratio
and
its method of in total length, taking are following:
According to the ratio that the OI class information of varying strength takies, the RB section integral body of confirming this CU is to the strong and weak indication of the interference of sector k.Which disturbed segment indicates strong RB
The RB disturbed segment is indicated as
disturbed segment indicates weak RB
almost undisturbed RB segment indicates
In the present embodiment, if the indication grade of ratio maximum is greater than a certain threshold value in a certain RB section, then the OI class information of this RB section is this grade; Otherwise each grade proportion is more or less the same, and then proportionally maximum Three Estate (be respectively x, y, z, wherein z possibly be sky) is confirmed the indication grade of the OI class information of the RB section that this user UE takies.Several kinds of situation are summarized as follows respectively:
(1), x, { if z be a sky, promptly this RB section has only high, two grades of medium to y ∈ for high, medium}, and then this RB section OI class information is designated as x (selecting proportion the greater); If z be a sky, promptly z is low or null, and then this RB section OI class information is designated as medium.
(2), x, { if z be a sky, promptly this RB section has only medium, two grades of low to y ∈ for medium, low}, and then this RB section OI class information is designated as x (selecting proportion the greater); If z be empty, be high as if z, then this RB section OI class information is designated as medium; If z is null, then this RB section OI class information is designated as low (low).
(3), x, { if z be a sky, promptly this RB section has only low, two grades of null to y ∈ for low, null}, and then this RB section OI class information is designated as x (selecting proportion the greater); If z be a sky, promptly z is high or medium, and then this RB section OI class information is designated as low.
(4), x, { then this RB section OI class information is designated as medium to y ∈ for high, low}.
(5), x, y ∈ high, null} do not wait if z is sky or x, y proportion, then select the grade near maximum ratio, that is: if x is high, this RB section OI class information be designated as medium; If x is null, this RB section OI class information be designated as low.If it is equal that z be sky and x, y proportion, then this RB section OI class information is designated as z.
(6), x, { then this RB section OI class information is designated as low to y ∈ for medium, null}.
Step 6: all adjacent sectors (k=2 that calculate sector 1; 3...K) difference on the shared RB section of user UE is disturbed the shared ratio of indication, wherein disturbed the ratio for sectors of strong ratio for sectors in being disturbed for
to be disturbed weak ratio for sectors as follows for
its method for
for
almost interference-free ratio for sectors:
According to being disturbed strong and weak ratio to calculate the long interior interference size cases OI of statistic window on the shared RB section of this user in all sectors to adjacent sectorsNeib, algorithm is: being designated as of OI class information on the shared RB section of this user, receive the maximum interference grade of all adjacent sectors.
Step 7: the quality satisfaction of calculating user UE.
Step 8: calculate the time ratio T that user UE history in statistic window is long takies this section RB sectionu, wherein
N is that statistic window is long, HII
uFor user's history takies RB fragment position information, if user UE takies then HII of this RB section
u=1, otherwise be HII
u=0.T
uIt is very little to represent then that less than thresholding the user takies the probability of this section RB section in statistic window is long, and vice versa.
Step 9: the ratio (that is: the user takies the time ratio of said RB section in said statistic window is long) that takies this RB section according to user property (that is: quality of services for users satisfaction), user's current time and user are to the big or small OI of the interference of adjacent sectorsNeib(that is: the user takies on the RB section the comprehensive OI class information of adjacent sectors in statistic window is long) carried out the power adjustment to the user.Be specially:
(1), if
And user quality is satisfied, then
(2), if
And user quality is dissatisfied, T
uLess than thresholding, then
(3), if
And user quality is dissatisfied, T
uGreater than thresholding, then
(4), if
And user quality is satisfied, then
(5), if
And user quality is dissatisfied, T
uLess than thresholding, then
(6), if
And user quality is dissatisfied, T
uGreater than thresholding, then
(7), if
And user quality is satisfied, then
(8), ifAnd user quality is dissatisfied, TuLess than thresholding, then
(9), ifAnd user quality is dissatisfied, TuGreater than thresholding, then
(10), if
T
uLess than thresholding, then
(12), if
T
uGreater than thresholding, then
Wherein, step1, step2, step3, step4Be respectively power the big step-length of downward modulation, reduce little step-length, raise little step-length, raise big step-length.Follow for the adjustment that makes power and to fall slowly the principle that rises soon, the configurable one-tenth of downward modulation step-length is bigger than raising step-length, and concrete numerical value is confirmed according to systematic function.
The embodiment of the invention also provides a kind of base station, and is as shown in Figure 4, and this base station comprises:
Class information acquiring unit 210, the user who is used to obtain in this sector takies the comprehensive OI class information of the adjacent sectors of receiving on the RB section at current time;
Quality information acquiring unit 220 is used to obtain the quality of services for users satisfaction;
Time ratio acquiring unit 230 is used to obtain the user takies said RB section in said statistic window is long time ratio;
Power adjustment unit 240 is used for taking the adjacent sectors received on the RB section comprehensive OI class information, quality of services for users satisfaction and the user in statistic window is long take said RB section in said statistic window is long time ratio at current time according to said user the power that the user carries out different step-lengths is adjusted.
In the above-described embodiments, more concrete, as shown in Figure 5, this grade information acquisition unit 210 comprises:
Class information sends and receives subelement 211; Be used to obtain OI class information on each RB section of this sector; OI class information on each RB section of said sector is sent to adjacent sectors, and the OI class information on each RB section of this adjacent sectors of said sector reception adjacent sectors transmission;
Class information adjustment subelement 212 is adjusted the OI class information on each RB section of said this adjacent sectors, obtains the OI class information on each RB section of adjusted this adjacent sectors;
Class information computation subunit 213 is used for calculating the comprehensive OI class information of all adjacent sectors on the whole RB section of CU according to the OI class information on said each RB section of adjusted each adjacent sectors.
In the above-described embodiments, said class information sends and receives subelement 211, also is used for the OI class information on said each RB section of all adjacent sectors that receive is carried out grade classification.
In the above-described embodiments, more concrete, as shown in Figure 6, said class information adjustment subelement 212 comprises:
Resource locationinformation acquisition module 2121, all users of this sector that is used to circulate obtain the resource location information of current time CU in the said sector;
Interference estimation block 2122 is used to calculate the target strong jamming adjacent sectors of each user's current time and the Interference Estimation value that each user arrives said strong jamming adjacent sectors;
Grade judgingtreatmenting module 2123; Be used to judge whether said Interference Estimation value surpasses thresholding; If surpass; The OI grade on the resource location of this CU that then keeps said adjacent sectors to send is constant, if be lower than said thresholding, then reduces the OI grade on the resource location of this CU that this adjacent sectors sends.
In the above-described embodiments; More concrete; Said class information computation subunit 213; The comprehensive OI class information of all adjacent sectors of OI rating calculation on CU RB section on each the RB section that is used for sending according to each adjustment back adjacent sectors is then according to the comprehensive OI class information of said all adjacent sectors on the whole RB section of the comprehensive OI rating calculation CU on the CU RB section.
The base station that the foregoing description provides; According to user's current time the disturbed condition of adjacent sectors is adjusted the OI grade more accurately and effectively; The user is carried out the power adjustment of different step-lengths according to the quality of services for users satisfaction with the user takies said RB section in said statistic window is long time ratio simultaneously;, effectively solve and only utilize the indication of historical resource scheduling information of user and OI class information to carry out the performance loss problem that the power adjustment brings in the prior art, improved the performance of power adjustment.
More than be merely preferred embodiment of the present invention,, all any modifications of within spirit of the present invention and principle, being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention not in order to restriction the present invention.