CN107276732A - A kind of resource determining method and device - Google Patents
A kind of resource determining method and device Download PDFInfo
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- CN107276732A CN107276732A CN201610214097.5A CN201610214097A CN107276732A CN 107276732 A CN107276732 A CN 107276732A CN 201610214097 A CN201610214097 A CN 201610214097A CN 107276732 A CN107276732 A CN 107276732A
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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
- H04L5/0057—Physical resource allocation for CQI
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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
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
Abstract
The invention discloses a kind of resource determining method and device, to be more accurately that UE selects optimal frequency domain resource, the spectrum efficiency and handling capacity of system are improved.This method includes：It is defined as the subband shared by the PRB of UE predistribution；To being grouped on the subband for the UE PRB pre-allocated, determine each group of corresponding CQI value, and the PRB quantity in each group summation；According to the summation of each group of corresponding CQI value, and the PRB quantity in each group, the scheduling resource of the UE is determined.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of resource determining method and device.
Background technology
In Long Term Evolution (Long Term Evolution, LTE) cordless communication network, agreement regulation is used
Family equipment (User Equipment, UE) is that broadband channel quality can be reported to indicate (Channel Quality
Indicator, CQI), subband CQI can also be reported.The CQI information that network side is reported according to UE is determined
Modulation and coding strategy (Modulation and Coding Scheme, MCS) during scheduling next time.
Generally in the case of the choosing of non-frequency, the broadband CQI that system is reported using UE dispatches the UE；Selected in frequency
In the case of, the subband CQI that system combination UE is reported dispatches the UE, when a UE needs the money of distribution
The number for the subband (Band Parts, BP) that source takes is more than one, and the respective CQI values of these BP are simultaneously
, then will according to the ratio of Physical Resource Block (Physical Resource Block, PRB) in the case of unequal
Called after the CQI value of each subband is average.CQI may be heightened or turned down to such processing mode, cause
MCS can not reflect present channel environment, influence the spectrum efficiency and handling capacity of system.
In summary, existing resource determining method, it is impossible to select optimal frequency domain resource for UE exactly,
Reduce the spectrum efficiency and handling capacity of system.
The content of the invention
The embodiments of the invention provide a kind of resource determining method and device, to be more accurately that UE is selected
Optimal frequency domain resource is selected, the spectrum efficiency and handling capacity of system is improved.
A kind of resource determining method provided in an embodiment of the present invention includes：
It is defined as the subband shared by the PRB of UE predistribution；
To being grouped on the subband for the UE PRB pre-allocated, each group of corresponding CQI is determined
Value, and the PRB quantity in each group summation；
According to the summation of each group of corresponding CQI value, and the PRB quantity in each group, it is determined that
The scheduling resource of the UE.
This method provided in an embodiment of the present invention, is defined as after the subband shared by the PRB of UE predistribution, right
It is grouped on the subband for the UE PRB pre-allocated, and then according to each group of corresponding CQI value,
And the summation of the PRB quantity in each group, the scheduling resource of the UE is determined, can be more accurately
The UE selects optimal frequency domain resource, improves the spectrum efficiency and handling capacity of system.
It is preferred that being grouped in the following way to the PRB：
The subband is entered according to the CQI value of the corresponding each subbands of the UE ascending order
Row sequence will be the PRB of UE predistribution on i-th of subband after sequence to being on m-th subband
The PRB of UE predistribution is divided into i-th group, wherein, i ∈ { 1 ..., M }, it is pre- that M is expressed as the UE
The total number of subband shared by the PRB of distribution.
It is preferred that for each group, the corresponding CQI value of the group is determined in the following way：
Minimum CQI is chosen from the CQI value corresponding with the UE of each subband shared by the PRB in the group
Value, the corresponding CQI value of the group is defined as by the minimum CQI value.
It is preferred that according to each group of corresponding CQI value, and PRB quantity in each group is total
With determine the scheduling resource of the UE, specifically include：
For each group, the efficiency efficiency corresponding to the corresponding CQI value of the group is determined, according to the group
The product of the summation of PRB quantity in efficiency corresponding to corresponding CQI value, with the group, it is determined that
The scheduling resource of the UE.
It is preferred that for each group, the efficiency according to corresponding to the corresponding CQI value of the group, with this
The product of the summation of PRB quantity in group, determines the scheduling resource of the UE, specifically includes：
For each group, the efficiency corresponding to the corresponding CQI value of the group is calculated, with the PRB in the group
The product value of the summation of quantity；
It is determined that corresponding group maximum of product value, by the corresponding CQI value of the group, and the PRB in the group
It is defined as the scheduling resource of the UE.
For each group of division, due to calculating the efficiency corresponding to the corresponding CQI value of the group, with
The product value of the summation of PRB quantity in the group, can embody and UE is scheduled using the resource of the group
When corresponding system handling capacity.Therefore, each group of corresponding product value calculated is compared, most
Corresponding group maximum of product value is chosen eventually, the corresponding CQI value of the group, and the PRB in the group is true
It is set to the scheduling resource of the UE, so that, optimal frequency domain resource is more accurately have chosen for UE, is adopted
It can determine to best suit the MCS of present channel environment with the corresponding CQI value of the group to transmit data, it is maximum
Improve to limit the spectrum efficiency and handling capacity of system.
A kind of resource determining device provided in an embodiment of the present invention, including：
First module, for the subband being defined as shared by the PRB of UE predistribution；
Second unit, for being grouped on the subband for the UE PRB pre-allocated, determining each
The corresponding CQI value of group, and the PRB quantity in each group summation；
Third unit, for according to each group of corresponding CQI value, and the PRB numbers in each group
The summation of amount, determines the scheduling resource of the UE.
The device provided in an embodiment of the present invention, is defined as after the subband shared by the PRB of UE predistribution, right
It is grouped on the subband for the UE PRB pre-allocated, and then according to each group of corresponding CQI value,
And the summation of the PRB quantity in each group, the scheduling resource of the UE is determined, can be more accurately
The UE selects optimal frequency domain resource, improves the spectrum efficiency and handling capacity of system.
It is preferred that the second unit is grouped to the PRB in the following way：
The subband is entered according to the CQI value of the corresponding each subbands of the UE ascending order
Row sequence will be the PRB of UE predistribution on i-th of subband after sequence to being on m-th subband
The PRB of UE predistribution is divided into i-th group, wherein, i ∈ { 1 ..., M }, it is pre- that M is expressed as the UE
The total number of subband shared by the PRB of distribution.
It is preferred that the second unit is directed to each group, the corresponding CQI of the group is determined in the following way
Value：
Minimum CQI is chosen from the CQI value corresponding with the UE of each subband shared by the PRB in the group
Value, the corresponding CQI value of the group is defined as by the minimum CQI value.
It is preferred that the third unit is according to each group of corresponding CQI value, and in each group
The summation of PRB quantity, when determining the scheduling resource of the UE, specifically for：
For each group, the efficiency efficiency corresponding to the corresponding CQI value of the group is determined, according to the group
The product of the summation of PRB quantity in efficiency corresponding to corresponding CQI value, with the group, it is determined that
The scheduling resource of the UE.
It is preferred that the third unit is directed to each group, according to corresponding to the corresponding CQI value of the group
The product of the summation of PRB quantity in efficiency, with the group, when determining the scheduling resource of the UE, tool
Body is used for：
For each group, the efficiency corresponding to the corresponding CQI value of the group is calculated, with the PRB in the group
The product value of the summation of quantity；
It is determined that corresponding group maximum of product value, by the corresponding CQI value of the group, and the PRB in the group
It is defined as the scheduling resource of the UE.
Brief description of the drawings
, below will be to required in embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the present application
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only the one of the application
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of resource determining method provided in an embodiment of the present invention；
Fig. 2 a are after being ranked up to the subband shared by the PRB that is pre-allocated for UE in the embodiment of the present invention
Subband ranking results schematic diagram；
1st group of PRB frequency domain resource signals corresponding with the 2nd group of PRB difference during Fig. 2 b are implemented for the present invention
Figure；
2nd group of PRB frequency domain resource signals corresponding with the 3rd group of PRB difference during Fig. 2 c are implemented for the present invention
Figure；
The frequency domain resource schematic diagram that Fig. 2 d are finally determined in implementing for the present invention；
Fig. 3 is a kind of structural representation of resource determining device provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, a kind of resource determining method provided in an embodiment of the present invention includes：
S101, be defined as UE predistribution PRB shared by subband；
S102, on the subband for the UE pre-allocate PRB be grouped, determine each group it is corresponding
The summation of PRB quantity in CQI value, and each group；
Here, that is, to above-mentioned it is grouped for the UE PRB pre-allocated.It is many so as to can just be divided into
Group is used for the resource being scheduled to UE, and one group of optimal resource is finally selected from the multiple sets of resources of division
And the corresponding CQI of this group of resource is scheduled to the UE.Specific group technology will in detail below
Illustrate.
S103, the summation according to each group of corresponding CQI value, and the PRB quantity in each group,
Determine the scheduling resource of the UE.
It is preferred that before step S101, this method also includes：Receive the CQI for each subband that UE is reported
Value.It is thus possible to obtain CQI values of every UE on each subband.Certainly, step S101 it
Before, the broadband CQI value that UE is reported can also be received.
It is preferred that after obtaining CQI values of every UE on each subband, it is corresponding to the UE each
The CQI value of subband is modified.Specific makeover process can use prior art, and the embodiment of the present invention is herein
Repeat no more.
After the CQI that UE is reported is received, for every UE, the data for needing to transmit according to the UE
The CQI value (or the corresponding broadband CQI values of the UE) of amount and the corresponding each subbands of the UE, be
The UE pre-allocates PRB.For example, PRB can be pre-allocated for the UE in the following way：
Mode one：If opening frequency selects function, the corresponding CQI value highest BP of the UE can be selected,
And then PRB is distributed for the UE on the corresponding CQI value highest BP of the UE, it is if desired the UE
The number of sub-bands that the PRB of distribution takes is more than one, then selects CQI value time corresponding in the UE successively
On high BP PRB is distributed for the UE.
Mode two：If not opening frequency selects function, according to the currently used orders of PRB, distributed for the UE
PRB。
After completing to every UE pre-allocation of resources, it is possible to be defined as the PRB institutes of every UE predistribution
Which BP the subband accounted for, the PRB for being UE distribution occupies, for each BP, in the BP
It is upper to be assigned with several PRB for the UE.
It is preferred that in the following way to being grouped for the PRB that UE is pre-allocated：
According to the CQI value of the corresponding each subbands of UE ascending order to being pre-allocated for the UE
Each subband shared by PRB is ranked up, the PRB that will be pre-allocated on i-th of subband after sequence for the UE
I-th group is divided into for the UE PRB pre-allocated on to m-th subband, wherein, i ∈ { 1 ..., M }, M
The total number for the subband being expressed as shared by the PRB of the UE predistribution.
Unless otherwise noted, herein and the corresponding each subbands of UE mentioned below, refer both to as the UE
Each subband shared by the PRB of predistribution.
Additionally it is preferred that herein and the CQI values of the corresponding each subbands of the UE mentioned below is
Refer to revised CQI value.
It is preferred that for each group of above-mentioned division, the corresponding CQI value of the group is determined in the following way：
Minimum CQI is chosen from the CQI value corresponding with the UE of each subband shared by the PRB in the group
Value, the corresponding CQI value of the group is defined as by the minimum CQI value.
It is exemplified below：
The PRB for being assumed to be UE predistribution occupies four subbands (BP), now, M=4.For this four
Individual subband, according to the ascending order centering of the CQI value of the corresponding each subbands of UE, four sons are brought into
Row sequence, the subband number consecutively after sequence is BP1, BP2, BP3, BP4.By the 1st after sequence
It is that PRB to the 4th son of UE predistribution takes PRB, i.e. BP1 for UE predistribution on subband
On be the UE predistribution PRB, BP2 on be the UE predistribution PRB, BP3 on be that the UE is pre-
The PRB pre-allocated on PRB, BP4 of distribution for the UE, is divided into the 1st group；By the 2nd after sequence
It is that PRB to the 4th son of UE predistribution takes the PRB for UE predistribution on height band, i.e.,
Be on BP2 the UE predistribution PRB, BP3 on be the UE predistribution PRB, BP4 on be this
The PRB of UE predistribution, is divided into the 2nd group；The 3rd son after sequence is taken and pre-allocated for the UE
PRB to the 4th son take the PRB pre-allocated for the UE, i.e. pre-allocated for the UE on BP3
The PRB pre-allocated on PRB, BP4 for the UE, is divided into the 3rd group；By the 4th subband after sequence
The PRB pre-allocated on the upper PRB pre-allocated for the UE, i.e. BP4 for the UE, is divided into the 4th group.
It can be indicated with equation below：
Wherein,The summation of the PRB quantity in i-th group of PRB of division is represented,Represent after sequence
It is the quantity for the PRB that the UE is pre-allocated, i ∈ { 1 ..., M } on i-th of BP.
For the 1st group of PRB of division, because the BP1 shared by the PRB in the group is corresponding with the UE
CQI value is minimum, therefore, and BP1 CQI values corresponding with the UE are the 1st group of corresponding CQI value；It is right
In the 2nd group of PRB of division, due to the CQI values corresponding with the UE of the BP2 shared by the PRB in the group
Minimum, therefore, BP2 CQI values corresponding with the UE are the 2nd group of corresponding CQI value；For dividing
The 3rd group of PRB, because the CQI values corresponding with the UE of the BP3 shared by the PRB in the group are minimum,
Therefore, BP3 CQI values corresponding with the UE are the 3rd group of corresponding CQI value；For the 4th of division the
Group PRB, because the subbands taken of the PRB in the group only include BP4, therefore, BP4 is corresponding with the UE
CQI value be the 4th group of corresponding CQI value.The CQI answered for each group of PRB pair, can be used as follows
Formula is represented：
Wherein,The CQI value that the i-th group of PRB pair divided is answered is represented,Represent i-th of BP after sequence
CQI value corresponding with the UE, i ∈ { 1 ..., M }.
So as to have four groups of resources that can be used for being scheduled the UE in above-mentioned example, further according to step
Rapid S103, finally selects one group of resource to be used to be scheduled the UE from four groups of resources.
It is preferred that step S103 is specifically included：
For each group, the efficiency (efficiency) corresponding to the corresponding CQI value of the group is determined, according to this
Efficiency corresponding to the corresponding CQI value of group, the product with the summation of the PRB quantity in the group, really
Fixed UE scheduling resource.
Wherein, for each group, the efficiency corresponding to the corresponding CQI value of the group is determined, can be passed through
The mode tabled look-up is determined, i.e., search the CQI from default CQI value relation table corresponding with efficiency
It is worth corresponding efficiency, each CQI value uniquely corresponds to an efficiency.
It is preferred that for each group, the efficiency according to corresponding to the corresponding CQI value of the group, with this
The product of the summation of PRB quantity in group, determines the scheduling resource of the UE, specifically includes：
For each group, the efficiency corresponding to the corresponding CQI value of the group is calculated, with the PRB in the group
The product value of the summation of quantity；
It is determined that corresponding group maximum of product value, by the corresponding CQI value of the group, and the PRB in the group
It is defined as the scheduling resource of the UE.
Here, for each group of division, the efficiency corresponding to the corresponding CQI value of the group is calculated,
With the product value of the summation of the PRB quantity in the group, it can embody and UE is adjusted using the resource of the group
The handling capacity of corresponding system when spending.Therefore, each group of corresponding product value calculated is compared,
It is final to choose corresponding group maximum of product value, i.e., using the resource pair of corresponding group of the maximum product value
The handling capacity of corresponding system is maximum when UE is scheduled, by the corresponding CQI value of the group, and should
PRB in group is defined as the scheduling resource of the UE, so that, it more accurately have chosen optimal frequency domain money
Source, the MCS determined using the corresponding CQI value of the group, can more accurately reflect current channel ring
Border, using in the group PRB carry out data transmission, can to greatest extent lifting system frequency spectrum effect
Rate and handling capacity.
A specific embodiment is given below.
Assuming that certain, which is the PRB that some UE is pre-allocated, occupies three BP, according to each BP and the UE
Corresponding CQI value ascending order BP is ranked up after be respectively BP [1], BP [2], BP [3],
As shown in Figure 2 a.
Wherein, BP [1] CQI values corresponding with the UE are 2, are pre-allocated on the BP [1] for the UE
PRB number is 6；BP [2] CQI values corresponding with the UE are 4, pre- for the UE on the BP [2]
The PRB of distribution number is 24；BP [3] CQI values corresponding with the UE are 14, are on the BP [3]
The PRB of UE predistribution number is 10.
3 groups will be divided into for the UE PRB pre-allocated, wherein, it will be pre-allocated on BP [1] for the UE
PRB, BP [2] on be UE predistribution PRB and BP [3] on be UE predistribution PRB stroke
It is divided into the 1st group, the corresponding CQI value of the group is 2, can obtains corresponding when CQI value is 2 by tabling look-up
Efficiency is 0.2344, and the summation of the PRB quantity in the group is 40；Will be pre- for the UE on BP [2]
On the PRB and BP [3] of distribution the 2nd group, the corresponding CQI of the group are divided into for the UE PRB pre-allocated
It is worth for 4, it is 0.6016 that corresponding efficiency when CQI value is 4 can be obtained by tabling look-up, the PRB in the group
The summation of quantity is 34；On BP [3] the 3rd group, group correspondence will be divided into for the UE PRB pre-allocated
CQI value be 14, it is 5.1152 that corresponding efficiency when CQI value is 14 can be obtained by tabling look-up, should
The summation of PRB quantity in group is 10.
For each group in 3 groups of PRB of division, calculate corresponding to the corresponding CQI value of the group
The product value of the summation of PRB quantity in efficiency, with the group.
The present embodiment is used since minimum one group of CQI value, corresponding with CQI value higher one group to multiply
Product value is compared, and using eliminative mechanism, until all groups are completeer, detailed process is as follows：
Judge for the first time：1st group of resource corresponding with the 2nd group of difference is as shown in Figure 2 b.
The efficiency corresponding to the 1st group of corresponding CQI value is calculated, it is total with the PRB quantity in the group
The product value of sum：0.2344*40=9.376；The efficiency corresponding to the 2nd group of corresponding CQI value is calculated,
With the product value of the summation of the PRB quantity in the group：0.6016*34=20.45.Because 9.376 less than 20.45,
Corresponding throughput of system is less than the money using the 2nd group when being scheduled using the 1st group of resource to UE
The handling capacity of corresponding system when source is scheduled to UE, therefore, does not consider to choose the 1st group of resource pair
The UE is scheduled.Judge with proceeding next step：
Second of judgement：2nd group of resource corresponding with the 3rd group of difference is as shown in Figure 2 c.
The efficiency corresponding to the 3rd group of corresponding CQI value is calculated, it is total with the PRB quantity in the group
The product value of sum：5.1152*10=51.152.Because 20.45 less than 51.152, i.e., using the 2nd group of resource
When corresponding throughput of system using the 3rd group of resource to UE less than being scheduled when being scheduled to UE
The handling capacity of corresponding system, therefore, finally chooses the 3rd group of corresponding resource and the UE is scheduled.
The resource finally chosen choose as shown in Figure 2 d, that is, the 3rd group of corresponding CQI value (CQI=14),
It is PRB (PRB numbers are 10) transmission data of UE distribution on BP [3].
Correspondingly, referring to Fig. 3, the embodiment of the present invention additionally provides a kind of resource determining device, including：
First module 31, for the subband being defined as shared by the PRB of UE predistribution；
Second unit 32, on the subband for the UE pre-allocate PRB be grouped, it is determined that
Each group of corresponding CQI value, and the PRB quantity in each group summation；
Third unit 33, for according to each group of corresponding CQI value, and the PRB in each group
The summation of quantity, determines the scheduling resource of the UE.
It is preferred that first module 31 is also used before the subband being defined as shared by the PRB of UE predistribution
In：Receive the CQI value for each subband that UE is reported.It is thus possible to obtain every UE on each subband
CQI value.Certainly, first module 31 can also be used to receive the broadband CQI value that UE is reported.
It is preferred that after first module 31 obtains CQI values of every UE on each subband, being additionally operable to
The CQI value of each subband corresponding to the UE is modified.Specific makeover process can use prior art,
The embodiment of the present invention will not be repeated here.
It is preferred that first module 31 for example can pre-allocate PRB for the UE in the following way：
Mode one：If opening frequency selects function, the corresponding CQI value highest BP of the UE can be selected,
And then PRB is distributed for the UE on the corresponding CQI value highest BP of the UE, it is if desired the UE
The number of sub-bands that the PRB of distribution takes is more than one, then selects CQI value time corresponding in the UE successively
On high BP PRB is distributed for the UE.
Mode two：If not opening frequency selects function, according to the currently used orders of PRB, distributed for the UE
PRB。
So as to after completing to every UE pre-allocation of resources, it is possible to be defined as every UE predistribution
Which BP subband shared by PRB, the PRB for being UE distribution occupies, for each BP,
On the BP several PRB are assigned with for the UE.
It is preferred that the second unit 32 for the PRB that UE is pre-allocated in the following way to being grouped：
According to the ascending order of the CQI value of the corresponding each subbands of the UE to being pre-allocated for the UE
PRB shared by each subband be ranked up, will on i-th of subband after sequence for the UE pre-allocate
PRB to being divided into i-th group for the UE PRB pre-allocated on m-th subband, wherein, i ∈ { 1 ..., M },
M is expressed as the total number of the subband shared by the PRB of the UE predistribution.
It is preferred that the second unit 32 is directed to each group of above-mentioned division, determining in the following way should
The corresponding CQI value of group：
Minimum CQI is chosen from the CQI value corresponding with the UE of each subband shared by the PRB in the group
Value, the corresponding CQI value of the group is defined as by the minimum CQI value.
It is preferred that the third unit 33 is according to each group of corresponding CQI value, and in each group
PRB quantity summation, when determining the scheduling resource of the UE, specifically for：
For each group, the efficiency efficiency corresponding to the corresponding CQI value of the group is determined, according to the group
The product of the summation of PRB quantity in efficiency corresponding to corresponding CQI value, with the group, it is determined that
The scheduling resource of the UE.
Wherein, for each group, the efficiency corresponding to the corresponding CQI value of the group is determined, can be passed through
The mode tabled look-up is determined, i.e., search the CQI from default CQI value relation table corresponding with efficiency
It is worth corresponding efficiency, each CQI value uniquely corresponds to an efficiency.
It is preferred that the third unit 33 is directed to each group, according to corresponding to the corresponding CQI value of the group
The product of the summation of PRB quantity in efficiency, with the group, when determining the scheduling resource of the UE, tool
Body is used for：
For each group, the efficiency corresponding to the corresponding CQI value of the group is calculated, with the PRB in the group
The product value of the summation of quantity；
It is determined that corresponding group maximum of product value, by the corresponding CQI value of the group, and the PRB in the group
It is defined as the scheduling resource of the UE.
Here, third unit 33 is calculated corresponding to the corresponding CQI value of the group for each group divided
The product value of the summation of PRB quantity in efficiency, with the group, can embody the resource using the group
The handling capacity of corresponding system when being scheduled to UE.Therefore, by each group of corresponding product calculated
Value is compared, final to choose corresponding group maximum of product value, by the corresponding CQI value of the group, and should
PRB in group is defined as the scheduling resource of the UE, so that, using the device, more accurately it have chosen
Optimal frequency domain resource, is scheduled using the resource to UE, can lifting system to greatest extent frequency
Spectrum efficiency and handling capacity.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot
The form of embodiment in terms of conjunction software and hardware.Wherein wrapped one or more moreover, the present invention can be used
Containing computer usable program code computer-usable storage medium (include but is not limited to magnetic disk storage and
Optical memory etc.) on the form of computer program product implemented.
The present invention is with reference to the production of method according to embodiments of the present invention, equipment (system) and computer program
The flow chart and/or block diagram of product is described.It should be understood that can by computer program instructions implementation process figure and
/ or each flow and/or square frame in block diagram and the flow in flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to all-purpose computer, special-purpose computer, insertion
Formula processor or the processor of other programmable data processing devices are to produce a machine so that pass through and calculate
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device for the function of being specified in individual flow or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or the processing of other programmable datas to set
In the standby computer-readable memory worked in a specific way so that be stored in the computer-readable memory
Instruction produce include the manufacture of command device, the command device realization in one flow or multiple of flow chart
The function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and perform series of operation steps on computer or other programmable devices to produce computer implemented place
Reason, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the present invention
Bright spirit and scope.So, if the present invention these modifications and variations belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of resource determining method, it is characterised in that this method includes：
It is defined as the subband shared by the Physical Resource Block PRB of user equipment (UE) predistribution；
To being grouped on the subband for the UE PRB pre-allocated, each group of corresponding channel matter is determined
The summation of PRB quantity in amount instruction CQI value, and each group；
According to the summation of each group of corresponding CQI value, and the PRB quantity in each group, it is determined that
The scheduling resource of the UE.
2. according to the method described in claim 1, it is characterised in that in the following way to the PRB
It is grouped：
The subband is entered according to the CQI value of the corresponding each subbands of the UE ascending order
Row sequence will be the PRB of UE predistribution on i-th of subband after sequence to being on m-th subband
The PRB of UE predistribution is divided into i-th group, wherein, i ∈ { 1 ..., M }, it is pre- that M is expressed as the UE
The total number of subband shared by the PRB of distribution.
3. according to the method described in claim 1, it is characterised in that for each group, using such as lower section
Formula determines the corresponding CQI value of the group：
Minimum CQI is chosen from the CQI value corresponding with the UE of each subband shared by the PRB in the group
Value, the corresponding CQI value of the group is defined as by the minimum CQI value.
4. according to the method in claim 2 or 3, it is characterised in that according to described each group correspondence
CQI value, and the PRB quantity in each group summation, determine the scheduling resource of the UE, specifically
Including：
For each group, the efficiency efficiency corresponding to the corresponding CQI value of the group is determined, according to the group
The product of the summation of PRB quantity in efficiency corresponding to corresponding CQI value, with the group, it is determined that
The scheduling resource of the UE.
5. method according to claim 4, it is characterised in that for each group, according to the group pair
The efficiency corresponding to CQI value answered, the product with the summation of the PRB quantity in the group, it is determined that should
UE scheduling resource, is specifically included：
For each group, the efficiency corresponding to the corresponding CQI value of the group is calculated, with the PRB in the group
The product value of the summation of quantity；
It is determined that corresponding group maximum of product value, by the corresponding CQI value of the group, and the PRB in the group
It is defined as the scheduling resource of the UE.
6. a kind of resource determining device, it is characterised in that the device includes：
First module, for the subband being defined as shared by the Physical Resource Block PRB of user equipment (UE) predistribution；
Second unit, for being grouped on the subband for the UE PRB pre-allocated, determining each
The corresponding channel quality indicator (CQI) value of group, and the PRB quantity in each group summation；
Third unit, for according to each group of corresponding CQI value, and the PRB numbers in each group
The summation of amount, determines the scheduling resource of the UE.
7. device according to claim 6, it is characterised in that the second unit uses such as lower section
Formula is grouped to the PRB：
The subband is entered according to the CQI value of the corresponding each subbands of the UE ascending order
Row sequence will be the PRB of UE predistribution on i-th of subband after sequence to being on m-th subband
The PRB of UE predistribution is divided into i-th group, wherein, i ∈ { 1 ..., M }, it is pre- that M is expressed as the UE
The total number of subband shared by the PRB of distribution.
8. device according to claim 6, it is characterised in that the second unit is directed to each group,
The corresponding CQI value of the group is determined in the following way：
Minimum CQI is chosen from the CQI value corresponding with the UE of each subband shared by the PRB in the group
Value, the corresponding CQI value of the group is defined as by the minimum CQI value.
9. the device according to claim 7 or 8, it is characterised in that the third unit is according to institute
State each group of corresponding CQI value, and the PRB quantity in each group summation, determine the tune of the UE
When spending resource, specifically for：
For each group, the efficiency efficiency corresponding to the corresponding CQI value of the group is determined, according to the group
The product of the summation of PRB quantity in efficiency corresponding to corresponding CQI value, with the group, it is determined that
The scheduling resource of the UE.
10. device according to claim 9, it is characterised in that the third unit is directed to each group,
Efficiency according to corresponding to the corresponding CQI value of the group, with multiplying for the summation of the PRB quantity in the group
Product, when determining the scheduling resource of the UE, specifically for：
For each group, the efficiency corresponding to the corresponding CQI value of the group is calculated, with the PRB in the group
The product value of the summation of quantity；
It is determined that corresponding group maximum of product value, by the corresponding CQI value of the group, and the PRB in the group
It is defined as the scheduling resource of the UE.
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| CN102238627A (en) * | 2010-05-05 | 2011-11-09 | 电信科学技术研究院 | Resource allocating method and device of downlink shared channel |
| CN102281644A (en) * | 2011-08-23 | 2011-12-14 | 电信科学技术研究院 | Method and device for allocating resources |
| US20140185530A1 (en) * | 2012-12-27 | 2014-07-03 | Motorola Mobility Llc | Method and apparatus for device-to-device communication |
| US20150049706A1 (en) * | 2013-08-16 | 2015-02-19 | Lg Electronics Inc. | Method for Reporting Downlink Channel State and Apparatus Therefor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238627A (en) * | 2010-05-05 | 2011-11-09 | 电信科学技术研究院 | Resource allocating method and device of downlink shared channel |
| CN102281644A (en) * | 2011-08-23 | 2011-12-14 | 电信科学技术研究院 | Method and device for allocating resources |
| US20140185530A1 (en) * | 2012-12-27 | 2014-07-03 | Motorola Mobility Llc | Method and apparatus for device-to-device communication |
| US20150049706A1 (en) * | 2013-08-16 | 2015-02-19 | Lg Electronics Inc. | Method for Reporting Downlink Channel State and Apparatus Therefor |
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