CN106572535A - Resource dynamic allocation method and resource dynamic allocation device - Google Patents
Resource dynamic allocation method and resource dynamic allocation device Download PDFInfo
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- CN106572535A CN106572535A CN201510641412.8A CN201510641412A CN106572535A CN 106572535 A CN106572535 A CN 106572535A CN 201510641412 A CN201510641412 A CN 201510641412A CN 106572535 A CN106572535 A CN 106572535A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
Abstract
The invention discloses a system resource dynamic allocation method and a system resource dynamic allocation device. The method comprises the following steps: getting the uplink and downlink scheduling need of a current wireless frame through statistics; and selecting an uplink and downlink scheduling scheme from a preset scheduling relation table according to the uplink and downlink scheduling need to schedule next wireless frame, wherein the scheduling relation table is a corresponding relation table of uplink and downlink scheduling needs and uplink and downlink scheduling schemes. By using the technical scheme of the invention, the utilization rate of the control channel is improved greatly, adjustment is made in real time according to the uplink and downlink need, and the fairness of the allocation strategy and timely response are ensured.
Description
Technical field
The present invention relates to field of mobile communication, more particularly to a kind of resource dynamic distributing method and device.
Background technology
Currently for long evolving system (Long Term Evolution, referred to as LTE) the little bandwidth of standard
The control channel resource allocation of system, the general strategy for adopting is that up-downgoing shares available in a subframe
Resource.Under little bandwidth system, Radio Resource is very limited, by taking 3M as an example, in CFI (Control Format
Indicatior also there was only 12 control channel units (Control Channel Element, abbreviation when) maximum
For CCE) it is available, if now UE is in far point, the Downlink Control Information (Downlink of up-downgoing
Control Information, referred to as DCI) be required to 8 CCE transmissions, then due to CCE numbers
Not enough, CCE distribution is bound to unsuccessfully.
It is only above to consider from one dimension of CCE numbers, if considering further that the transmission power of the mono- symbols of LTE
Limit, situation may be even worse.As it is known, public scheduling (including broadcast, paging), access letter
Make, hand off signaling etc. is required to ensure the quality of reception, when these message are dispatched, except using CCE as far as possible
The degree of polymerization is that 8 transmissions are outer, in addition it is also necessary to give higher power excursion, it is common practice to send out in pilot signal
Penetrate extra increase 3dB on the basis of power.Once the traffic scheduling of common UE is with above-mentioned message in a son
Frame collision, probability of the power beyond available resources pond will be greatly increased causes CCE distribution failures, and then
Cause scheduling failure.Such case accumulation over time, up (or descending) once occur overload,
Follow-up continuous many subframes can be caused to dispatch always fail, system index is seriously threatened.Case above is with being
The wide reduction of regiment commander can progressively aggravate, and the probability of its power overload is incrementally increased.
Based on considerations above, can be limited with control channel resource (CCE numbers, power) in little bandwidth system
In the case of, how fully efficient is a problem demanding prompt solution using Radio Resource.
The content of the invention
In view of in prior art in the case of little bandwidth system can be with control channel resource-constrained, it is impossible to fully high
The utilization Radio Resource problem of effect, it is proposed that the present invention is to provide a kind of resource dynamic for overcoming the problems referred to above
Distribution method and device.
The present invention provides a kind of resource dynamic distributing method, including：
Count the up-downgoing dispatching requirement of current radio frames；
Up-downgoing scheduling scheme is chosen from the scheduling relation table for pre-setting according to up-downgoing dispatching requirement, it is right
Next radio frames are scheduled, wherein, scheduling relation table is up-downgoing dispatching requirement and up-downgoing dispatching party
The mapping table of case.
Present invention also offers a kind of Resource dynamic allocation device, including：
Statistical module, for counting the up-downgoing dispatching requirement of current radio frames；
Scheduler module, for being chosen from the scheduling relation table for pre-setting up and down according to up-downgoing dispatching requirement
Next radio frames are scheduled by row scheduling scheme, wherein, scheduling relation table is up-downgoing dispatching requirement
With the mapping table of up-downgoing scheduling scheme.
The present invention has the beneficial effect that：
By according to uplink/downlink control channel resource requirement situation, control channel resource in the ranks being carried out up and down
Dynamic adaptation, solves in prior art in the case of little bandwidth system can be with control channel resource-constrained, nothing
Method fully efficiently utilizes Radio Resource problem, drastically increases control channel utilization rate, and root in real time
It is adjusted according to up-downgoing demand, it is ensured that the fairness and response promptness of allocation strategy, is conducive to improving
The cell capacity of the little bandwidth systems of LTE.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and being practiced according to the content of description, and in order to allow above and other objects of the present invention,
Feature and advantage can become apparent, below especially exemplified by the specific embodiment of the present invention.
Description of the drawings
By the detailed description for reading hereafter preferred implementation, various other advantage and benefit are for ability
Domain those of ordinary skill will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and and
It is not considered as limitation of the present invention.And in whole accompanying drawing, it is denoted by the same reference numerals identical
Part.In the accompanying drawings：
Fig. 1 is the flow chart of the resource dynamic distributing method of the embodiment of the present invention；
Fig. 2 is the process schematic diagram of the Resource dynamic allocation device of the embodiment of the present invention；
Fig. 3 is the schematic diagram of the dynamic sliding window of the embodiment of the present invention；
Fig. 4 is the structural representation of the Resource dynamic allocation device of the embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing in accompanying drawing
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should not be by
Embodiments set forth here is limited.On the contrary, there is provided these embodiments are able to be best understood from this
It is open, and can by the scope of the present disclosure it is complete convey to those skilled in the art.
In in order to solve prior art in the case of little bandwidth system can be with control channel resource-constrained, it is impossible to fill
Divide and efficiently utilize Radio Resource problem, the invention provides under a kind of little bandwidth system of LTE standards, control
The method and system of channel wireless resource (including CCE numbers and power) dynamically distributes.The present invention is implemented
The concept that the technical scheme of example passes through the introducing PDCCH Radio Resource time-divisions is serious in little bandwidth system resource
On the premise of limited, according to uplink/downlink control channel resource requirement situation, by control channel resource in up-downgoing
Between carry out dynamic adaptation, the utilization rate of control channel resource can not only be fully improved, while can increase little
Area's capacity.The embodiment of the present invention is applied to the scene at cloth station under the little bandwidth systems of current LTE.Below in conjunction with attached
Figure and embodiment, the present invention will be described in further detail.It should be appreciated that described herein concrete
Embodiment limits the present invention only to explain the present invention, not.
Embodiment of the method
A kind of embodiments in accordance with the present invention, there is provided resource dynamic distributing method, for little bandwidth system,
Fig. 1 is the flow chart of the resource dynamic distributing method of the embodiment of the present invention, as shown in figure 1, according to the present invention
The little bandwidth system resource dynamic allocation method of embodiment includes following process：
Step 101, counts the up-downgoing dispatching requirement of current radio frames；
In step 101 kind, can be current by dynamic sliding window real-time statistics in the sliding window length for pre-setting
The up-downgoing dispatching requirement of radio frames；Dynamic sliding window mode can be more accurate and counts on current need in time
Ask, it is ensured that ageing.
Specifically, in embodiments of the present invention, it is real-time in the sliding window length for pre-setting by dynamic sliding window
Count the up-downgoing CCE numbers demand and up and down power demand of current radio frames.In actual applications,
Needs count respectively the CCE numbers demand and power of the uplink and downlink of current radio frames by dynamic sliding window
Demand, finally obtains up-downgoing CCE numbers demand and up and down power demand.It is exemplified below：
If the subframe of current radio frames is uplink scheduling subframe, book frame in is needed the CCE of the UE of scheduling
Demand and power demand add up and count in dynamic sliding window, while removing dynamic sliding window first subframe of head
CCE and power demand, dynamic sliding window slides backward a subframe.If the subframe of current radio frames is descending
Scheduling subframe, the CCE demands and power demand of the UE that book frame in is needed to dispatch are cumulative to count dynamic cunning
In window, while removing the CCE and power demand of dynamic sliding window first subframe of head, dynamic sliding window is backward
One subframe of slip.
It should be noted that preferably, sliding window length is more than or equal to 10ms, in embodiments of the present invention,
Sliding window is too short, is unfavorable for filtering burst demand, causes gear frequent switching, affects system stability；Sliding window is too
Length is unfavorable for timely responding to for dispatching requirement, considers and has determined 4 grades, minimum 10ms, therefore, this
It is { 10ms, 20ms, 40ms, 80ms } that bright embodiment recommends the value of sliding window length.
Step 102, chooses up and down according to the up-downgoing dispatching requirement from the scheduling relation table for pre-setting
Next radio frames are scheduled by row scheduling scheme, wherein, the scheduling relation table is the up-downgoing
The mapping table of dispatching requirement and the up-downgoing scheduling scheme.
In a step 102, following process is specifically included：
Step 1, according to up-downgoing dispatching requirement the up-downgoing demand percentage of current radio frames is calculated, will be upper and lower
Row demand percentage is compared with the ratio gear for pre-setting, and chooses immediate with up-downgoing demand percentage
Ratio gear；
Step 2, according to ratio gear the up-downgoing of each subframe is obtained from the scheduling relation table for pre-setting
Scheduling scheme, is scheduled according to up-downgoing scheduling scheme to the subframe of next radio frames, wherein, scheduling
Relation table is the mapping table of ratio gear and the up-downgoing scheduling scheme of each subframe in radio frames.
In above-mentioned steps 1, according to up CCE numbers demand CCEULWith descending CCE numbers demand
CCEDLDetermine up-downgoing CCE number demand percentages RatioCCE；According to ascending power demand PowerULWith
Descending power demand PowerDLDetermine up and down power demand percentage RatioPW；Taking up-downgoing CCE numbers needs
Seek ratio RatioCCEWith up and down power demand percentage RatioPWIn maximum as current radio frames
Up-downgoing demand percentage RatioULDL。
Specifically, the up-downgoing of current radio frames can be calculated according to formula 1, formula 2 and formula 3
Demand percentage：
RatioCCE=CCEUL/CCEDLFormula 1；
RatioPW=PowerUL/PowerDLFormula 2；
RatioULDL=max (RatioCCE,RatioPW) formula 3；
Wherein, RatioCCEFor up-downgoing CCE number demand percentages, CCEULNeed for up CCE numbers
Ask, CCEDLFor descending CCE numbers demand, RatioPWFor up and down power demand percentage, PowerUL
For ascending power demand, PowerDLFor descending power demand, RatioULDLFor up-downgoing demand percentage.
In embodiments of the present invention, ratio gear includes：1:1、2:3、3:7、1:4 and 1:9.
It should be noted that the setting of ratio gear is LTE system feature determining：1st, 10 subframes, than
Example option determines；2nd, up-downgoing business demand feature in real system, download (corresponds to downstream-on-demand)
More than upload amount (corresponding to up demand).Simultaneously according to substantial amounts of experimental data, ratio gear is set to
Five grades of the above.
In step 1, in selection percentage gear, first by up-downgoing demand percentage and the ratio for pre-setting
Minimum ratio gear is compared in example gear, if it is determined that up-downgoing demand percentage is more than minimum ratio
Gear, then rise a ratio gear and proceed to compare, and still can not expire if being raised to the ratio gear of maximum
Foot, then select the ratio gear of maximum；If it is determined that up-downgoing demand percentage is more than or equal to certain ratio shelves
Position, then select and the immediate ratio gear of up-downgoing demand percentage, wherein, aforementioned proportion gear is ratio
Value；Or, the up-downgoing demand percentage is compared with the ratio gear for pre-setting, select described
The ratio gear that up-downgoing demand percentage falls into, wherein, the ratio gear is that gear is interval.
In sum, the technical scheme of the embodiment of the present invention is the up-downgoing demand of the current unlimited frame of statistics to rear
Continuous unlimited frame is adjusted, because for LTE system：For terminal use, the difference of Millisecond
It is not to be difficult to perceive, that is to say, that dispatch for Consumer's Experience hardly structure in N ms or N+1 ms
Into impact.For base station side, the portfolio for needing scheduling is continuous in Millisecond.Two based on more than
Point, the technical scheme of the embodiment of the present invention adopts prior information as the foundation of follow-up scheduling.
Below in conjunction with accompanying drawing, the above-mentioned technical proposal of the embodiment of the present invention is described in detail.
Under the premise of little bandwidth system control channels resource-constrained, the technical scheme of the embodiment of the present invention is according to little
Actual up-downgoing business demand situation, dynamic adaptation is carried out by Radio Resource in sub-frame level in area, to solve
Existing method causes the problem that system index deteriorates.The little bandwidth system resource dynamically distributes of the embodiment of the present invention
Method include following process：
Step 1, understands system up-downgoing dispatching requirement.The embodiment of the present invention is using a dynamic sliding window come real
It is existing, in sliding window length T (T>Real-time statistics up-downgoing dispatching requirement in 10ms).The CCE numbers of up-downgoing are needed
Ask and be designated as respectively CCEULAnd CCEDL；Up and down power demand is designated as respectively PowerULAnd PowerDL。
It is timely and accurately to obtain current up-downgoing dispatching requirement ratio using the purpose of sliding window, is subsequent child frame level
Dynamically distributes provide data supporting.To ensure the ageing of statistical data, the value for recommending sliding window length is
{10ms,20ms,40ms,80ms}。
Step 2, the up-downgoing CCE demands and power demand obtained by step 1 can calculate up-downgoing work(
Rate ratio, is designated as RatioULDL, computing formula is as follows：
RatioCCE=CCEUL/CCEDL；
RatioPW=PowerUL/PowerDL；
RatioULDL=max (RatioCCE, RatioPW)；
According to 5 gears of LTE system up-downgoing requirement definition, respectively { 1:1,2:3,3:7,1:4,1:9 }, this
Five gears indicate respectively the upper limit of up-downgoing demand percentage.According to calculating at the ending of each radio frames
RatioULDLAnd compare with 5 gear ascending orders, suitable gear is chosen according to comparative result.Five gears point
Relation such as table 1 is dispatched in not corresponding up-downgoing, wherein, D represents descending, and U represents up.
Table 1
| Subframe 0 | Subframe 1 | Subframe 2 | Subframe 3 | Subframe 4 | Subframe 5 | Subframe 6 | Subframe 7 | Subframe 8 | Subframe 9 | |
| Gear 1 | D | U | D | U | D | U | D | U | D | U |
| Gear 2 | D | U | D | D | U | D | U | D | U | D |
| Gear 3 | D | U | D | D | D | U | D | D | U | D |
| Gear 4 | D | D | U | D | D | D | D | U | D | D |
| Gear 5 | D | D | D | D | U | D | D | D | D | D |
Scheduling scheme described in table 1 determined according to substantial amounts of experimental data and LTE system feature,
In a kind of gear, up-downgoing is scheduling to 1：1, follow-up gear is descending unnecessary up, LTE system feature
It is as follows：10 subframes, ratio option determines；Up-downgoing business demand feature, download in real system
(corresponding to downstream-on-demand) is more than upload amount (corresponding to up demand).
Step 3, if scheduling subframe defined above is collided with public scheduling, such as broadcast, paging, access
Signaling etc., then public dispatching priority higher than UE dispatch, preferentially ensure the promptness of public scheduling.
Fig. 3 is the schematic diagram of the dynamic sliding window of the embodiment of the present invention, as shown in figure 3, the embodiment of the present invention
Dynamic sliding window dynamic in radio frames is slided.
If present sub-frame be uplink scheduling subframe, by book frame in need scheduling UE CCE demands and
Power demand is cumulative to be counted in window, while removing the CCE and power demand of sliding window first subframe of head.
If present sub-frame is descending scheduling subframe, book frame in is needed the CCE demands and power of the UE of scheduling
Demand is cumulative to be counted in window, while removing the CCE and power demand of sliding window first subframe of head.
Up-downgoing demand percentage Ratio is calculated according to formulaULDL, and (open from gear 5 with five gear contrasts
Begin), if RatioULDLMore than a certain gear, then rise a gear and continue to compare, if fruit is raised to first grade
Position is still unsatisfactory for, and takes the first gear, otherwise selects nearest gear as the allocative decision of next radio frames.
The starting of each radio frames is scheduled according to the allocative decision of module two.In uplink scheduling subframe only
It is only descending distribution CCE moneys in descending scheduling subframe for uplink assignment CCE resource (except public scheduling)
Source.
In sum, by means of the technical scheme of the embodiment of the present invention, by being provided according to uplink/downlink control channel
Source demand status, by control channel resource in the ranks carrying out dynamic adaptation up and down, solve in prior art
In the case of little bandwidth system can be with control channel resource-constrained, it is impossible to fully efficiently asked using Radio Resource
Topic, drastically increases control channel utilization rate, and is adjusted according to up-downgoing demand in real time, it is ensured that
The fairness and response promptness of allocation strategy, is conducive to improving the cell capacity of the little bandwidth systems of LTE.
Device embodiment
Embodiments in accordance with the present invention, there is provided a kind of Resource dynamic allocation device, Fig. 4 is enforcement of the present invention
The structural representation of the Resource dynamic allocation device of example, as shown in figure 4, resource according to embodiments of the present invention
Dynamically distributes device includes：Statistical module 40 and scheduler module 44, below to the embodiment of the present invention
Modules are described in detail.
Statistical module 40, for counting the up-downgoing dispatching requirement of current radio frames
Specifically, statistical module 40 by dynamic sliding window, work as by the real-time statistics in the sliding window length for pre-setting
The up-downgoing dispatching requirement of front radio frames；Can be real-time in the sliding window length for pre-setting by dynamic sliding window
Count the uplink/downlink control channel unit CCE numbers demand and up and down power demand of current radio frames.
In the embodiment of the present invention, the sliding window length is more than or equal to 10ms.
Scheduler module 44, for being selected from the scheduling relation table for pre-setting according to the up-downgoing dispatching requirement
Up-downgoing scheduling scheme is taken, next radio frames are scheduled, wherein, the scheduling relation table is described
The mapping table of up-downgoing dispatching requirement and the up-downgoing scheduling scheme.
Scheduler module 44 specifically for：The upper and lower of current radio frames is calculated according to the up-downgoing dispatching requirement
Row demand percentage, the up-downgoing demand percentage is compared with the ratio gear for pre-setting, obtain with
The immediate ratio gear of the up-downgoing demand percentage；According to the ratio gear from the scheduling for pre-setting
The up-downgoing scheduling scheme of each subframe is obtained in relation table, according to the up-downgoing scheduling scheme to the next one
The subframe of radio frames is scheduled, wherein, the scheduling relation table is that the ratio gear is each with radio frames
The mapping table of the up-downgoing scheduling scheme of individual subframe.
Specifically, scheduler module 44 is according to up CCE numbers demand CCEULNeed with descending CCE numbers
Seek CCEDLDetermine up-downgoing CCE number demand percentages RatioCCE；According to ascending power demand PowerUL
With descending power demand PowerDLDetermine up and down power demand percentage RatioPW；Take up-downgoing CCE numbers
Demand percentage RatioCCEWith up and down power demand percentage RatioPWIn maximum as current radio frames
Up-downgoing demand percentage RatioULDL。
Specifically, the up-downgoing demand of current radio frames is calculated according to formula 1, formula 2 and formula 3
Ratio：
RatioCCE=CCEUL/CCEDLFormula 1；
RatioPW=PowerUL/PowerDLFormula 2；
RatioULDL=max (RatioCCE,RatioPW) formula 3；
Wherein, RatioCCEFor up-downgoing CCE number demand percentages, CCEULNeed for up CCE numbers
Ask, CCEDLFor descending CCE numbers demand, RatioPWFor up and down power demand percentage, PowerUL
For ascending power demand, PowerDLFor descending power demand, RatioULDLFor up-downgoing demand percentage.
In embodiments of the present invention, the ratio gear includes：1:1、2:3、3:7、1:4 and 1:9.
The scheduler module 44 specifically for：By the up-downgoing demand percentage and the ratio shelves for pre-setting
Minimum ratio gear is compared in position, if it is determined that the up-downgoing demand percentage is more than minimum ratio
Gear, then rise a ratio gear and proceed to compare, and still can not expire if being raised to the ratio gear of maximum
Foot, then select the ratio gear of the maximum；If it is determined that the up-downgoing demand percentage is more than or equal to certain
Individual ratio gear, then select and the immediate ratio gear of the up-downgoing demand percentage, wherein, the ratio
Example gear is ratio value；Or, the up-downgoing demand percentage is compared with the ratio gear for pre-setting
Compared with, the ratio gear for selecting the up-downgoing demand percentage to fall into, wherein, the ratio gear is gear area
Between.
Fig. 2 is the process schematic diagram of the Resource dynamic allocation device of the embodiment of the present invention, as shown in Fig. 2
The embodiment of the present invention includes three modules：
Module 1：Up-downgoing demand sliding window statistical module (statistical module i.e. in device embodiment)；
Module 2：Up-downgoing demand percentage is calculated and gear selection module (the scheduling mould i.e. in device embodiment
Block)；
Module 3：CCE distributes and UE scheduler modules (scheduler module i.e. in device embodiment).
Up-downgoing demand sliding window statistical module needs to be handled as follows：
Fig. 3 is the schematic diagram of the dynamic sliding window of the embodiment of the present invention, as shown in figure 3, the embodiment of the present invention
Dynamic sliding window dynamic in radio frames is slided.
If present sub-frame be uplink scheduling subframe, by book frame in need scheduling UE CCE demands and
Power demand is cumulative to be counted in window, while removing the CCE and power demand of sliding window first subframe of head.
If present sub-frame is descending scheduling subframe, book frame in is needed the CCE demands and power of the UE of scheduling
Demand is cumulative to be counted in window, while removing the CCE and power demand of sliding window first subframe of head.
Up-downgoing demand percentage is calculated and gear selection module needs to be handled as follows：
Up-downgoing demand percentage Ratio is calculated according to formulaULDL, and (open from gear 5 with five gear contrasts
Begin), if RatioULDLMore than a certain gear, then rise a gear and continue to compare, if fruit is raised to first grade
Position is still unsatisfactory for, and takes the first gear, otherwise selects nearest gear as the allocative decision of next radio frames.
CCE distributes and UE scheduler modules need to be handled as follows：
The starting of each radio frames is scheduled according to the allocative decision of module two.In uplink scheduling subframe only
It is only descending distribution CCE moneys in descending scheduling subframe for uplink assignment CCE resource (except public scheduling)
Source.
The concrete process of modules in the embodiment of the present invention is referred to the description of embodiment of the method and corresponding
Accompanying drawing is understood, be will not be described here.
In sum, by means of the technical scheme of the embodiment of the present invention, by being provided according to uplink/downlink control channel
Source demand status, by control channel resource in the ranks carrying out dynamic adaptation up and down, solve in prior art
In the case of little bandwidth system can be with control channel resource-constrained, it is impossible to fully efficiently asked using Radio Resource
Topic, drastically increases control channel utilization rate, and is adjusted according to up-downgoing demand in real time, it is ensured that
The fairness and response promptness of allocation strategy, is conducive to improving the cell capacity of the little bandwidth systems of LTE.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification and modification 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 these changes and modification.
Provided herein algorithm and display be not intrinsic with any certain computer, virtual system or miscellaneous equipment
It is related.Various general-purpose systems can also be used together based on teaching in this.As described above, structure
It is obvious to make the structure required by this kind of system.Additionally, the present invention is also not for any certain programmed
Language.It is understood that, it is possible to use various programming languages realize the content of invention described herein, and
The description done to language-specific above is to disclose the preferred forms of the present invention.
In description mentioned herein, a large amount of details are illustrated.It is to be appreciated, however, that this
Bright embodiment can be put into practice in the case of without these details.In some instances, not in detail
Known method, structure and technology are shown, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and helping understand one in each inventive aspect or
It is multiple, above in the description of the exemplary embodiment of the present invention, each feature of the present invention is sometimes by one
Rise and be grouped in single embodiment, figure or descriptions thereof.However, should not be by the method for the disclosure
It is construed to reflect following intention：I.e. the present invention for required protection is required than the institute in each claim clearly
The more features of feature of record.More precisely, as the following claims reflect, sending out
Bright aspect is all features less than single embodiment disclosed above.Therefore, it then follows specific embodiment
Claims be thus expressly incorporated in the specific embodiment, wherein each claim conduct itself
The separate embodiments of the present invention.
Those skilled in the art are appreciated that can be carried out certainly to the module in the client in embodiment
Adaptively change and they are arranged in one or more clients different from the embodiment.Can be with
The block combiner in embodiment into a module, and multiple submodule or son can be divided in addition
Unit or sub-component.Except at least some in such feature and/or process or unit excludes each other it
Outward, can be using any combinations to public in this specification (including adjoint claim, summary and accompanying drawing)
The all features opened and all processes or unit of so disclosed any method or client carry out group
Close.Unless expressly stated otherwise, it is public in this specification (including adjoint claim, summary and accompanying drawing)
Each feature opened can be replaced by the alternative features for providing identical, equivalent or similar purpose.
Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein include other
Some included features rather than further feature in embodiment, but the combination meaning of the feature of different embodiments
Taste and is within the scope of the present invention and is formed different embodiments.For example, in following claim
In book, embodiment required for protection one of arbitrarily can in any combination mode using.
The all parts embodiment of the present invention can be realized with hardware, or with one or more processor
The software module of upper operation is realized, or is realized with combinations thereof.It will be understood by those of skill in the art that
Can be realized using microprocessor or digital signal processor (DSP) in practice according to of the invention real
Apply some or all functions of some or all parts being loaded with the client of sequence network address of example.
The present invention be also implemented as some or all equipment for performing method as described herein or
Person's program of device (for example, computer program and computer program).Such journey for realizing the present invention
Sequence can be stored on a computer-readable medium, or can have the form of one or more signal.This
The signal of sample can be downloaded from internet website and obtained, or be provided on carrier signal, or with any
Other forms are provided.
It should be noted that above-described embodiment the present invention will be described rather than limits the invention, and
And those skilled in the art can design without departing from the scope of the appended claims replacement enforcement
Example.In the claims, any reference markss between bracket should not be configured to claim
Limit.Word "comprising" does not exclude the presence of element not listed in the claims or step.Before element
Word "a" or "an" do not exclude the presence of multiple such elements.If the present invention can be by means of including
The hardware of dry different elements and by means of properly programmed computer realizing.If listing equipment for drying
In unit claim, several in these devices can be embodied by same hardware branch.
The use of word first, second, and third does not indicate that any order.These words can be explained and be run after fame
Claim.
Claims (16)
1. a kind of resource dynamic distributing method, it is characterised in that include：
Count the up-downgoing dispatching requirement of current radio frames；
Up-downgoing dispatching party is chosen from the scheduling relation table for pre-setting according to the up-downgoing dispatching requirement
Next radio frames are scheduled by case, wherein, the scheduling relation table is the up-downgoing dispatching requirement
With the mapping table of the up-downgoing scheduling scheme.
2. the method for claim 1, it is characterised in that the up-downgoing of the current radio frames of statistics is adjusted
Degree demand is specifically included：
The up-downgoing scheduling that current radio frames are counted in the sliding window length for pre-setting by dynamic sliding window is needed
Ask.
3. the method for claim 1, it is characterised in that according to the up-downgoing dispatching requirement from
Up-downgoing scheduling scheme is chosen in the scheduling relation table for pre-setting, next radio frames are scheduled specifically
Including：
The up-downgoing demand percentage of current radio frames is calculated according to the up-downgoing dispatching requirement, will be described upper and lower
Row demand percentage is compared with the ratio gear for pre-setting, and acquisition most connects with the up-downgoing demand percentage
Near ratio gear；
The up-downgoing scheduling scheme of each subframe is obtained from the scheduling relation table according to the ratio gear,
The subframe of next radio frames is scheduled according to the up-downgoing scheduling scheme, wherein, the scheduling is closed
Be table be the ratio gear with the up-downgoing scheduling scheme of each subframe in radio frames mapping table.
4. method as claimed in claim 2, it is characterised in that pre-set by dynamic sliding window
The up-downgoing dispatching requirement of the current radio frames of statistics is specifically included in sliding window length：
By the up-downgoing control of dynamic sliding window current radio frames of real-time statistics in the sliding window length for pre-setting
Channel Elements CCE numbers demand processed and up and down power demand.
5. method as claimed in claim 2, it is characterised in that the sliding window length is more than or equal to 10ms.
6. method as claimed in claim 3, it is characterised in that according to the up-downgoing dispatching requirement meter
Calculating the up-downgoing demand percentage of current radio frames includes：
According to up CCE numbers demand CCEULWith descending CCE numbers demand CCEDLDetermine up-downgoing
CCE number demand percentages RatioCCE；
According to ascending power demand PowerULWith descending power demand PowerDLDetermine up and down power demand
Ratio RatioPW；
Take up-downgoing CCE number demand percentages RatioCCEWith up and down power demand percentage RatioPWIn
Up-downgoing demand percentage Ratio of the maximum as current radio framesULDL。
7. method as claimed in claim 3, it is characterised in that the ratio gear includes：1:1、2:3、
3:7、1:4 and 1:9.
8. method as claimed in claim 3, it is characterised in that by the up-downgoing demand percentage with it is pre-
The ratio gear for first arranging is compared, and chooses and the immediate ratio gear tool of the up-downgoing demand percentage
Body includes：
The up-downgoing demand percentage is compared with ratio gear minimum in the ratio gear for pre-setting
Compared with if it is determined that the up-downgoing demand percentage then rises a ratio gear more than minimum ratio gear
Proceed to compare, still can not meet if being raised to the ratio gear of maximum, select the ratio of the maximum
Gear；If it is determined that the up-downgoing demand percentage be more than or equal to certain ratio gear, then select with it is described
The immediate ratio gear of up-downgoing demand percentage, wherein, the ratio gear is ratio value；Or,
The up-downgoing demand percentage is compared with the ratio gear for pre-setting, the up-downgoing is selected
The ratio gear that demand percentage falls into, wherein, the ratio gear is that gear is interval.
9. a kind of Resource dynamic allocation device, it is characterised in that include：
Statistical module, for counting the up-downgoing dispatching requirement of current radio frames；
Scheduler module, for being chosen from the scheduling relation table for pre-setting according to the up-downgoing dispatching requirement
Next radio frames are scheduled by up-downgoing scheduling scheme, wherein, the scheduling relation table is on described
The mapping table of descending scheduling demand and the up-downgoing scheduling scheme.
10. device as claimed in claim 9, it is characterised in that the statistical module specifically for：
The up-downgoing scheduling that current radio frames are counted in the sliding window length for pre-setting by dynamic sliding window is needed
Ask.
11. devices as claimed in claim 9, it is characterised in that the scheduler module specifically for：
The up-downgoing demand percentage of current radio frames is calculated according to the up-downgoing dispatching requirement, will be described upper and lower
Row demand percentage is compared with the ratio gear for pre-setting, and acquisition most connects with the up-downgoing demand percentage
Near ratio gear；
The up-downgoing scheduling scheme of each subframe is obtained from the scheduling relation table according to the ratio gear,
The subframe of next radio frames is scheduled according to the up-downgoing scheduling scheme, wherein, the scheduling is closed
Be table be the ratio gear with the up-downgoing scheduling scheme of each subframe in radio frames mapping table.
12. devices as claimed in claim 10, it is characterised in that the statistical module specifically for：
By the up-downgoing control of dynamic sliding window current radio frames of real-time statistics in the sliding window length for pre-setting
Channel Elements CCE numbers demand processed and up and down power demand.
13. devices as claimed in claim 10, it is characterised in that the sliding window length is more than or equal to 10ms.
14. devices as claimed in claim 11, it is characterised in that the scheduler module specifically for：
According to up CCE numbers demand CCEULWith descending CCE numbers demand CCEDLDetermine up-downgoing
CCE number demand percentages RatioCCE；
According to ascending power demand PowerULWith descending power demand PowerDLDetermine up and down power demand
Ratio RatioPW；
Take up-downgoing CCE number demand percentages RatioCCEWith up and down power demand percentage RatioPWIn
Up-downgoing demand percentage Ratio of the maximum as current radio framesULDL。
15. devices as claimed in claim 11, it is characterised in that the ratio gear includes：1:1、
2:3、3:7、1:4 and 1:9.
16. devices as claimed in claim 11, it is characterised in that the scheduler module specifically for：
The up-downgoing demand percentage is compared with ratio gear minimum in the ratio gear for pre-setting
Compared with if it is determined that the up-downgoing demand percentage then rises a ratio gear more than minimum ratio gear
Proceed to compare, still can not meet if being raised to the ratio gear of maximum, select the ratio of the maximum
Gear；If it is determined that the up-downgoing demand percentage be more than or equal to certain ratio gear, then select with it is described
The immediate ratio gear of up-downgoing demand percentage, wherein, the ratio gear is ratio value；Or,
The up-downgoing demand percentage is compared with the ratio gear for pre-setting, the up-downgoing is selected
The ratio gear that demand percentage falls into, wherein, the ratio gear is that gear is interval.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641412.8A CN106572535A (en) | 2015-10-08 | 2015-10-08 | Resource dynamic allocation method and resource dynamic allocation device |
| PCT/CN2016/075535 WO2016188174A1 (en) | 2015-10-08 | 2016-03-03 | Dynamic resource allocation method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641412.8A CN106572535A (en) | 2015-10-08 | 2015-10-08 | Resource dynamic allocation method and resource dynamic allocation device |
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| CN106572535A true CN106572535A (en) | 2017-04-19 |
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| CN201510641412.8A Pending CN106572535A (en) | 2015-10-08 | 2015-10-08 | Resource dynamic allocation method and resource dynamic allocation device |
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| WO (1) | WO2016188174A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108463002A (en) * | 2018-03-16 | 2018-08-28 | 武汉虹信通信技术有限责任公司 | A kind of method for scheduling task based on TDD-LTE base station systems |
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| CN112055413B (en) * | 2019-06-05 | 2023-06-30 | 成都鼎桥通信技术有限公司 | Downlink service scheduling method and device |
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| CN101615947B (en) * | 2008-06-24 | 2016-10-05 | 华为技术有限公司 | Configuration ratio of uplink subframe to downlink subframe method and the method for data transmission, device |
| US10003445B2 (en) * | 2010-04-30 | 2018-06-19 | Google Technology Holdings LLC | Method and apparatus for scheduling a controlchannel in an orthogonal frequency division multiplexing communication system |
| CN102892202A (en) * | 2012-10-22 | 2013-01-23 | 张家港市鸿嘉数字科技有限公司 | Method for configuring resource |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108463002A (en) * | 2018-03-16 | 2018-08-28 | 武汉虹信通信技术有限责任公司 | A kind of method for scheduling task based on TDD-LTE base station systems |
| CN108463002B (en) * | 2018-03-16 | 2021-07-02 | 中信科移动通信技术股份有限公司 | Task scheduling method based on TDD-LTE base station system |
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