CN102316596A - Control station and method for scheduling resource block - Google Patents
Control station and method for scheduling resource block Download PDFInfo
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- CN102316596A CN102316596A CN2010102227596A CN201010222759A CN102316596A CN 102316596 A CN102316596 A CN 102316596A CN 2010102227596 A CN2010102227596 A CN 2010102227596A CN 201010222759 A CN201010222759 A CN 201010222759A CN 102316596 A CN102316596 A CN 102316596A
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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
- H04L5/0037—Inter-user or inter-terminal allocation
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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
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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Abstract
The invention discloses a control station and a method for scheduling a resource block. The method is used in an MIMO (Multiple Input Multiple Output) system and comprises the steps: the control station sets a public priority of paired users according to the single-scheduling priority of each user in a plurality of paired users in a resource block to be scheduled, and the control station schedules the resource block to be scheduled according to the public priority. According to the invention, the paired users can be used as a scheduling integer to participate in the scheduling o the resource block, thus the problem that the resource block can not be reasonably scheduled during multiuser MIMO scheduling is solved, and the effect of reasonably utilizing resources is achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method and control station of scheduling resource piece.
Background technology
MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) technology is the important breakthrough of intelligent antenna technology in the wireless mobile communications field.This technology can improve the capability of communication system and the availability of frequency spectrum exponentially under the situation that does not increase bandwidth; Can utilize multipath to alleviate multipath fading, and can eliminate common road effectively and disturb, improve the reliability of channel, reduce the error rate, be the key technology that the third generation mobile communication system adopts.
Ripe at present perhaps near ripe 3G (the third generation mobilecommunications; 3G (Third Generation) Moblie)/B3G (Beyond 3G; Ultra 3G) in the wireless communication system, control station side and end side are through disposing many group transmit/receive antennas and combining the scheme of MIMO signal processing to be adopted widely, and this method is called as SU-MIMO (Single User-MIMO; Single User MIMO); Because its essence still is point-to-point transmission data between BS (Base Station, control station) and the MS (Mobile Subscriber, mobile subscriber).
In the wireless communication protocol standards of a new generation (for example: the LTE-A of 3GPP; IEEE802.16m) all support this function of multiuser MIMO (MU-MIMO), referring to the structural representation of multi-user MIMO system shown in Figure 1, wherein; The corresponding a plurality of users of antenna, promptly antenna is through channel H
1..., H
KSend data to a plurality of users.Be called as down channel by control station to the channel of user terminal.Compare with descending SU-MIMO; Descending MU-MIMO is point-to-point channel expansion between a BS and the MS channel of the point-to-multipoint between a BS and a plurality of MS; Through the difference of space characteristic in the control station side aerial array that causes by the user who disperses on the space, control station can be in identical frequency channels simultaneously and a plurality of telex networks.
User's scheduling problem is an important problem, and when it is scheduled which user of decision on which Resource Block.As a rule, which user control station can determine be fit to carry out user's scheduling according to user's channel space characteristic information, and this user that can dispatch on same Resource Block is called the pairing user.In the MU-MIMO system, which user is dispatching algorithm also determine to carry out multi-subscriber dispatching (MU scheduling), on which Resource Block, carries out problems such as MU scheduling.After having confirmed that several users is carried out the MU scheduling, just need to confirm the priority of these several MU dispatched users.
The inventor finds that the dispatching priority computational methods of correlation technique only can handle the situation of unique user, and the dispatching priority of unique user calculates according to user's channel quality and type of service usually.Yet all dispatch the pairing user of certain Resource Block jointly as a scheduling integral body, and the dispatching priority computational methods of correlation technique can not be dispatched integral body to this and handled.For example, 4 pairing users are arranged, their channel quality maybe be different with type of service, then can't confirm these 4 pairing users' public priority.And then cause when multiuser MIMO is dispatched, can't carrying out rational management to Resource Block.
Summary of the invention
Main purpose of the present invention is to provide a kind of method and control station of scheduling resource piece, to solve the above-mentioned problem that can't carry out rational management to Resource Block at least.
According to an aspect of the present invention; A kind of method of scheduling resource piece is provided; Be used for the multiple-input and multiple-output mimo system, comprise: control station is provided with pairing user's public priority according to each user's among the pairing user who treats the scheduling resource piece dull degree priority; Control station is treated the scheduling resource piece according to public priority and is dispatched.
According to a further aspect in the invention, a kind of control station is provided, has been used for the multiple-input and multiple-output mimo system, having comprised: module has been set, is used for being provided with pairing user's public priority according to the dull degree priority of treating each user of pairing user of scheduling resource piece; Scheduler module is used for treating the scheduling resource piece according to the public priority that the module setting is set and dispatches.
Through the present invention; Employing is provided with public priority to the pairing user; Can make the pairing user as a whole scheduling of participating in Resource Block of scheduling, solve when multiuser MIMO is dispatched and to have carried out the problem of rational management to Resource Block, and then reached the effect of making rational use of resources.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the multi-user MIMO system of correlation technique;
Fig. 2 is the method flow diagram according to the scheduling resource piece of the embodiment of the invention 1;
Fig. 3 is the method flow diagram according to the scheduling resource piece of the embodiment of the invention 2;
Fig. 4 is the method flow diagram according to the scheduling resource piece of the embodiment of the invention 3;
Fig. 5 is the method flow diagram according to the scheduling resource piece of the embodiment of the invention 4;
Fig. 6 is the method flow diagram according to the scheduling resource piece of the embodiment of the invention 5; And
Fig. 7 is the structured flowchart according to the control station of the embodiment of the invention 7.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Mimo system comprises control station (for example, BS or relay station) and MS, and control station is through a plurality of antennas and MS transmission data; Control station can determine whether that the pairing user exists according to the channel information of MS feedback; For example, if the differing greatly of the channel information of several MS feedback, then can be with these several MS as an assembly to the user; When carrying out resource block scheduling, can this assembly be dispatched on the Resource Block the user simultaneously.Be wireless connections between MS and the control station, the related communication standard is followed in these wireless connections.The following embodiment of the present invention is that example describes with this mimo system all.
Embodiment 1
Fig. 2 shows the method flow diagram according to the scheduling resource piece of the embodiment of the invention, and this method is used for the multiple-input and multiple-output mimo system, may further comprise the steps:
Step S202, control station are provided with pairing user's public priority according to each user's among the pairing user who treats the scheduling resource piece dull degree priority;
Control station is when carrying out the scheduling of Resource Block; Exist the possibility that the pairing user dispatches this Resource Block jointly if find Resource Block to be scheduled; Will be for the pairing user be provided with public priority, being provided with of this public priority can be adopted multiple mode according to system's needs, for example: total K user among the pairing user; Then control station can obtain each user's among the pairing user dull degree priority earlier, from following method, selects a kind of the setting then:
1) find out largest monotonic degree priority from the dull degree priority of obtaining, largest monotonic degree priority is set to the public priority of matching the user.Be p
M(t)=p
Max(t)=max (p
1(t), p
2(t) ..., p
K(t)); Wherein, p
k(t) the current dull degree priority of expression user k;
2) control station finds out minimum dull degree priority from the dull degree priority of obtaining; The dull degree priority of minimum is set to the public priority of matching the user; Be p
M(t)=p
Min(t)=min (p
1(t), p
2(t) ..., p
K(t));
The mean value of the dull degree priority of 3) obtaining is set to the public priority of matching the user; Be p
M(t)=p
Mean(t)=(p
1(t)+p
2(t)+...+p
K(t))/K;
The weighted average of the dull degree priority of 4) obtaining is set to the public priority of matching the user; Promptly
α wherein
i∈ R (i=1,2...K), β
i∈ R (i=1,2...K),
Wherein, p
k(t) can adopt equitable proportion algorithm (proportional fair) to obtain, promptly adopt following formula:
In the formula, k is a natural number, r
k(t) k channel quality that the user is current of expression, λ
k(t)=F (λ
k(t-1)), t is the current scheduling moment, F (λ
k(t-1)) be the weighted average of k user's of renewal historical scheduling capacity after the last scheduling constantly; For example,
Step S204, control station is treated the scheduling resource piece according to above-mentioned public priority and is dispatched.
Control station to the pairing user public priority be provided with after; Then this public priority and the dull degree priority of treating other users except that this pairing user in the dispatched users of scheduling resource piece can be compared, treat the scheduling resource piece based on the result of comparison and dispatch.For example, when relatively result be the value of the value of this public priority greater than other users' dull degree priority, will treat that the scheduling resource block dispatching is given to match the user that all users that promptly match among the user use this Resource Block simultaneously; In the value of result relatively, the value greater than this public priority is arranged, with treating that the scheduling resource block dispatching is to the maximum user of the intermediate value of other users' dull degree priority for other users' dull degree priority.
After control station is accomplished this scheduling, each user's among the pairing user dull degree priority can be upgraded, other users' dull degree priority can certainly be upgraded simultaneously based on scheduling result.The update method of concrete dull degree priority can adopt above-mentioned
to realize.
Dispatching priority computational methods in the correlation technique only can be handled the situation of unique user, can not handle the pairing user; Present embodiment is provided with the public priority of matching the user according to each user's among the pairing user dull degree priority, and this public priority is participated in scheduling as the dispatching priority of a scheduling whole (being that assignment is to the user).
When present embodiment is dispatched at multiuser MIMO; Through the pairing user is provided with public priority; Can make the pairing user as a whole scheduling of participating in Resource Block of scheduling, solve and to have carried out the problem of rational management to Resource Block, and then reached the effect of making rational use of resources.
Embodiment 2
The present embodiment control station to a Resource Block to be scheduled, exists K pairing user u in scheduling process
1, u
2... u
KThe possibility of common this Resource Block of scheduling, referring to Fig. 3, the method for scheduling resource piece may further comprise the steps:
Step S302, at scheduling moment t, control station obtains each user's among the pairing user dull degree priority p
1(t), p
2(t) ..., p
K(t);
Step S304, control station finds out largest monotonic degree priority from the dull degree priority of obtaining;
The largest monotonic degree priority that step S306, control station find is set to the public priority of matching the user, i.e. p
M(t)=p
Max(t)=max (p
1(t), p
2(t) ..., p
K(t)).
Step S308, control station will match user's public priority and other users' dull degree priority and compare, and confirm the scheduling of this Resource Block.
Wherein, p
k(t) can adopt the mode among the embodiment 1 to obtain, promptly
After accomplishing once scheduling,, upgrade user's dull degree priority according to the situation of resource block scheduling.
When present embodiment is dispatched at multiuser MIMO; Public priority through the pairing user is set is largest monotonic degree priority; Can make the pairing user as a whole scheduling of participating in Resource Block of scheduling; Solved and to have carried out the problem of rational management to Resource Block, and then reached the effect of making rational use of resources.
Embodiment 3
The present embodiment control station to a Resource Block to be scheduled, exists K pairing user u in scheduling process
1, u
2... u
KThe possibility of common this Resource Block of scheduling, referring to Fig. 4, the method for scheduling resource piece may further comprise the steps:
Step S402, at scheduling moment t, control station obtains each user's among the pairing user dull degree priority p
1(t), p
2(t) ..., p
K(t);
Step S404, control station finds out minimum dull degree priority from the dull degree priority of obtaining;
The minimum dull degree priority that step S406, control station find is set to the public priority of matching the user, i.e. p
M(t)=p
Min(t)=min (p
1(t), p
2(t) ..., p
K(t));
Step S408, control station will match user's public priority and other users' dull degree priority and compare, and confirm the scheduling of this Resource Block.
Wherein, p
k(t) can adopt the mode among the embodiment 1 to obtain, promptly
After accomplishing once scheduling,, upgrade user's dull degree priority according to the situation of resource block scheduling.
When present embodiment is dispatched at multiuser MIMO; Public priority through the pairing user is set is minimum dull degree priority; Can make the pairing user as a whole scheduling of participating in Resource Block of scheduling; Solved and to have carried out the problem of rational management to Resource Block, and then reached the effect of making rational use of resources.
Embodiment 4
The present embodiment control station to a Resource Block to be scheduled, exists K pairing user u in scheduling process
1, u
2... u
KThe possibility of common this Resource Block of scheduling, referring to Fig. 5, the method for scheduling resource piece may further comprise the steps:
Step S502, at scheduling moment t, control station obtains each user's among the pairing user dull degree priority p
1(t), p
2(t) ..., p
K(t);
The mean value of the dull degree priority that step S504, control station obtain is set to the public priority of matching the user; Be p
M(t)=p
Mean(t)=(p
1(t)+p
2(t)+...+p
K(t))/K;
Step S506, control station will match user's public priority and other users' dull degree priority and compare, and confirm the scheduling of this Resource Block.
Wherein, p
k(t) can adopt the mode among the embodiment 1 to obtain, promptly
After accomplishing once scheduling,, upgrade user's dull degree priority according to the situation of resource block scheduling.
When present embodiment is dispatched at multiuser MIMO; Through the public priority that the pairing user is set is the mean value of the dull degree priority among the pairing user; Can make the pairing user as a whole scheduling of participating in Resource Block of scheduling; Solved and to have carried out the problem of rational management to Resource Block, and then reached the effect of making rational use of resources.
Embodiment 5
The present embodiment control station to a Resource Block to be scheduled, exists K pairing user u in scheduling process
1, u
2... u
KThe possibility of common this Resource Block of scheduling, referring to Fig. 6, the method for scheduling resource piece may further comprise the steps:
Step S602, at scheduling moment t, control station obtains each user's among the pairing user dull degree priority p
1(t), p
2(t) ..., p
K(t);
The weighted average of the dull degree priority that step S604, control station obtain is set to the public priority of matching the user; Be p
M(t)=p
l(t)=α
1p
1(t)+α
2p
2(t)+...+α
Kp
K(t),
Wherein
Step S606, control station will match user's public priority and other users' dull degree priority and compare, and confirm the scheduling of this Resource Block.
Wherein, p
k(t) can adopt the mode among the embodiment 1 to obtain, promptly
After accomplishing once scheduling,, upgrade user's dull degree priority according to the situation of resource block scheduling.
When present embodiment is dispatched at multiuser MIMO; Through the public priority that the pairing user is set is the weighted average of the dull degree priority among the pairing user; Can make the pairing user as a whole scheduling of participating in Resource Block of scheduling; Solved and to have carried out the problem of rational management to Resource Block, and then reached the effect of making rational use of resources.
Embodiment 6
The present embodiment control station to a Resource Block to be scheduled, exists the P assembly to the user in scheduling process, every assembly has K respectively to the user
1, K
2... K
PIndividual user, this P assembly all possibly dispatched this Resource Block jointly to the user in each group of user.Then control station at first obtain might dispatched users dull degree priority.
A kind of according in the method that is provided among the foregoing description 2-5 is provided with i group K altogether respectively
iIndividual user's public priority
After the public priority of accomplishing this P group user was provided with, relatively this P group user's public priority was confirmed the scheduling of Resource Block according to result relatively.
After accomplishing once scheduling,, upgrade single dispatching priority of users of user based on the situation of resource block scheduling.
Present embodiment is under the situation that exists many assembly to the user; Through the public priority of every assembly to the user is set; Can make the pairing user as a whole scheduling of participating in Resource Block of scheduling; Solved and to have carried out the problem of rational management to Resource Block, and then reached the effect of making rational use of resources.
Embodiment 7
Referring to Fig. 7, present embodiment provides a kind of control station, is used for the multiple-input and multiple-output mimo system, and this control station comprises:
Module 72 is set, is used for being provided with pairing user's public priority according to the dull degree priority of treating each user of pairing user of scheduling resource piece;
Scheduler module 74 is connected to module 72 is set, and is used for treating the scheduling resource piece according to the public priority that module 72 settings are set and dispatches.
The control station of present embodiment is through being provided with public priority to the pairing user; Can be with the pairing user as a whole scheduling of participating in Resource Block of scheduling; Solved multiuser MIMO when scheduling, problem that can't the rational management Resource Block, and then can utilize resource effective and reasonablely.
Preferably, module 72 being set can realize through one of following:
First is provided with the unit, is used for obtaining each user's of pairing user dull degree priority, finds out largest monotonic degree priority from the dull degree priority of obtaining; Largest monotonic degree priority is set to this pairing user's public priority;
Second is provided with the unit, is used for obtaining each user's of pairing user dull degree priority, finds out minimum dull degree priority from the dull degree priority of obtaining; The dull degree priority of minimum is set to this pairing user's public priority;
The 3rd is provided with the unit, is used for obtaining each user's of pairing user dull degree priority, and the mean value of the dull degree priority of obtaining is set to this pairing user's public priority;
The 4th is provided with the unit, is used for obtaining each user's of pairing user dull degree priority, and the weighted average of the dull degree priority of obtaining is set to this pairing user's public priority.
Preferably, scheduler module 74 comprises: acquiring unit is used for obtaining the dispatched users of treating the scheduling resource piece other users' except that the pairing user dull degree priority; Comparing unit is used for this public priority and other users' dull degree priority is compared; Scheduling unit is used for treating the scheduling resource piece according to result relatively and dispatches.For example, when relatively result is the value of the value of this public priority greater than other users' dull degree priority, will treat that the scheduling resource block dispatching matches the user to this; In the value of result relatively, the value greater than this public priority is arranged, with treating that the scheduling resource block dispatching is to the maximum user of the intermediate value of other users' dull degree priority for other users' dull degree priority.
For dull degree priority and the current channel quality coupling of user that guarantees the user; After control station is accomplished scheduling at every turn; Need upgrade dull degree priority; Therefore; Also comprise behind this control station: update module is used for upgrading the dull degree priority of matching each user of user based on scheduling result;
User's dull degree priority obtains according to following method in the present embodiment: k the dull degree priority that the user is current is set
Wherein, k is a natural number, r
k(t) k channel quality that the user is current of expression, λ
k(t)=F (λ
k(t-1)), t is the current scheduling moment, F (λ
k(t-1)) be the weighted average of k user's of renewal historical scheduling capacity after the last scheduling constantly.
When the control station of present embodiment carries out resource block scheduling; The user that will match is whole as a scheduling, for the pairing user is provided with public priority, makes the pairing user can participate in the scheduling of Resource Block; Simultaneously after scheduling is accomplished; Upgrade in time each user's dull degree priority can make the each scheduling of control station be based on all that the current channel quality of user carries out, and reaches the purpose of rational management Resource Block.
Pairing user among the above embodiment carries out matching operation according to following method:
1) control station at first calculates each user's corresponding priorities, is made as p
1, p
2..., p
G
2) the maximum priority of the value of searching from the priority that calculates, present embodiment establish find out be user U
1Priority P
1Maximum;
3) calculate user U
1Treat the channel quality on the scheduling resource piece at each, the Resource Block of the channel quality that selective value is maximum is as the allocated resource piece; User U
1Channel quality on this Resource Block is greater than first thresholding, then user U
1On this allocated resource piece, use MU-MIMO mode transfer data.
Present embodiment among system's available bandwidth, user U
1The last channel quality of (Resource Block) P is best in the position, is made as MCS
1, and MCS
1The MU-MIMO channel quality thresholds value T that is provided with in advance greater than system
MCS(i.e. first thresholding) is so user U
1To use MU-MIMO mode transfer data.
If the user is U
1The last channel quality MCS of (Resource Block) P in the position
1The MU-MIMO channel quality thresholds value T that the system that is not more than is provided with in advance
MCS(i.e. first thresholding), then user U
1On the P of position, use SU-MIMO transmission data.
4) with removing U among the Ω
1Outside satisfy condition: the channel quality of P is greater than thresholding T in the position
MCSThe user form one group, present embodiment is assumed to be first set omega
P, MU={ U
2..., U
K1}
5) control station is at Ω
P, MUThe middle searching and U
1The user of MU-MIMO is used in pairing, and finally has K user to form user's group of using MU-MMO, is expressed as M={U
1, U
2..., U
K.If K=1, expression Ω
P, MUIn do not have user and U
1Use MU-MIMO in groups, then U
1Use the SU-MIMO pattern, otherwise K user uses the MU-MIMO pattern among the M.
Control station is gathered M={U with the user among the Ω
1, U
2..., U
KDeletion, promptly upgrade and treat that the dispatched users set is Ω ← Ω-M, after this, trigger constantly in dispatching cycle, control station is this user U according to dispatching criterion
1Perhaps the user organizes the M Resources allocation, and control station is deleted the resource of current distribution in available resources simultaneously.Control station is preserved the corresponding MIMO pattern of each user and corresponding user's group.
Control station is at Ω
P, MUMiddle search and U
1The user of pairing, such as: U calculated
1With Ω
P, MUΩ
MUU is removed in the inside
1Channel relevancy between each outer user, its value is respectively r
1,2... R
1, K1, each user's priority is respectively p simultaneously
2... P
K1, control station calculates U then
1The equivalent priority factor corresponding with each user pairing:
2≤i≤K1, such as
(wherein α, β are real number) selected then
The maximum of 2≤i≤K1 is made as
U then is described
1With U
kPairing uses MU-MIMO to send data.Then with Ω
P, MU={ U
1, U
2..., U
K1Ω
MU={ U
1, U
2..., U
K1Be updated to Ω
P, MU={ U
2..., U
K-1, U
K+1..., U
K1, will treat that the dispatched users set is updated to Ω={ U
2..., U
K-1, U
K+1..., U
K1, U
K+1..., U
K2, carry out next user's matching operation; MU-MIMO pairing for once more repeats said process and gets final product.Repeating this MU-MIMO pairing and scheduling step is empty set until Resource Block N to be scheduled≤0 or Ω.
From above description, can find out; The present invention has realized following technique effect: above embodiment at first obtains pairing user's dull degree priority when multiuser MIMO is dispatched, pairing user's public priority is set then; And then accomplish and dispatch; The clear and definite use ownership of current scheduling Resource Block promptly is to carry out the MU scheduling by the pairing user, still carries out single user's scheduling (SU scheduling) by other users; Simultaneously, after each scheduling is accomplished, upgrade all users' dull degree priority, user's dull degree priority is upgraded in time, utilize reasonable resources to distribute.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for a scheduling resource piece is used for the multiple-input and multiple-output mimo system, it is characterized in that, comprising:
Control station is provided with said pairing user's public priority according to each user's among the pairing user who treats the scheduling resource piece dull degree priority;
Said control station is dispatched the said scheduling resource piece of treating according to said public priority.
2. method according to claim 1 is characterized in that, control station comprises according to the public priority that the dull degree priority of treating each user among the pairing user of scheduling resource piece is provided with said pairing user:
Said control station obtains each user's among the said pairing user dull degree priority, finds out largest monotonic degree priority from the dull degree priority of obtaining; Said largest monotonic degree priority is set to said pairing user's public priority.
3. method according to claim 1 is characterized in that, control station comprises according to the public priority that the dull degree priority of treating each user among the pairing user of scheduling resource piece is provided with said pairing user:
Said control station obtains each user's among the said pairing user dull degree priority, finds out minimum dull degree priority from the dull degree priority of obtaining; The dull degree priority of said minimum is set to said pairing user's public priority.
4. method according to claim 1 is characterized in that, control station comprises according to the public priority that the dull degree priority of treating each user among the pairing user of scheduling resource piece is provided with said pairing user:
Said control station obtains each user's among the said pairing user dull degree priority, and the mean value of the dull degree priority of obtaining is set to said pairing user's public priority.
5. method according to claim 1 is characterized in that, control station comprises according to the public priority that the dull degree priority of treating each user among the pairing user of scheduling resource piece is provided with said pairing user:
Said control station obtains each user's among the said pairing user dull degree priority, and the weighted average of the dull degree priority of obtaining is set to said pairing user's public priority.
6. according to each described method of claim 1-5, it is characterized in that said control station is dispatched said Resource Block according to said public priority and comprised:
Said control station obtains other users' except that said pairing user in the said dispatched users of treating the scheduling resource piece dull degree priority; Said public priority and said other users' dull degree priority is compared, the said scheduling resource piece of treating is dispatched according to result relatively.
7. method according to claim 6 is characterized in that, said result according to relatively treats that the scheduling resource piece is dispatched and comprises said:
When result relatively is the value of the value of said public priority greater than said other users' dull degree priority, give said pairing user with the said scheduling resource block dispatching of treating;
In the value of result relatively, the value greater than said public priority is arranged, give the maximum user of intermediate value of said other users' dull degree priority the said scheduling resource block dispatching of treating for said other users' dull degree priority.
8. based on each described method of claim 1-5; It is characterized in that said control station also comprises the said step of treating that the scheduling resource piece is dispatched based on said public priority afterwards: the dull degree priority of upgrading each user among the said pairing user based on scheduling result;
Each user's dull degree priority obtains according to following method among the said pairing user: k dull degree priority that the user is current among the said pairing user is set
Wherein, k is a natural number, r
k(t) said k the channel quality that the user is current of expression, λ
k(t)=F (λ
k(t-1)), t is the current scheduling moment, F (λ
k(t-1)) be the weighted average of said k the user's of renewal historical scheduling capacity after the last scheduling constantly.
9. a control station is used for the multiple-input and multiple-output mimo system, it is characterized in that, comprising:
Module is set, is used for being provided with said pairing user's public priority according to the dull degree priority of treating each user of pairing user of scheduling resource piece;
Scheduler module is used for according to the said public priority that the module setting is set the said scheduling resource piece of treating being dispatched.
10. control station according to claim 9 is characterized in that, the said module that is provided with comprises one of following:
First is provided with the unit, is used for obtaining said each user's of pairing user dull degree priority, finds out largest monotonic degree priority from the dull degree priority of obtaining; Said largest monotonic degree priority is set to said pairing user's public priority;
Second is provided with the unit, is used for obtaining said each user's of pairing user dull degree priority, finds out minimum dull degree priority from the dull degree priority of obtaining; The dull degree priority of said minimum is set to said pairing user's public priority;
The 3rd is provided with the unit, is used for obtaining said each user's of pairing user dull degree priority, and the mean value of the dull degree priority of obtaining is set to said pairing user's public priority;
The 4th is provided with the unit, is used for obtaining said each user's of pairing user dull degree priority, and the weighted average of the dull degree priority of obtaining is set to said pairing user's public priority.
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| CN201010222759.6A CN102316596B (en) | 2010-06-30 | 2010-06-30 | Control station and method for scheduling resource block |
| PCT/CN2010/077972 WO2012000256A1 (en) | 2010-06-30 | 2010-10-21 | Method and control station for scheduling resource block |
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| WO2014000531A1 (en) * | 2012-06-30 | 2014-01-03 | 华为技术有限公司 | User data scheduling method and device |
| WO2014089839A1 (en) * | 2012-12-14 | 2014-06-19 | 华为技术有限公司 | Scheduling method and scheduling device |
| CN103918335A (en) * | 2012-12-14 | 2014-07-09 | 华为技术有限公司 | Scheduling method and scheduling apparatus |
| WO2021028711A1 (en) * | 2019-08-09 | 2021-02-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio resource allocation for multi-user mimo |
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| US8834550B2 (en) | 2006-05-19 | 2014-09-16 | Boston Scientific Scimed, Inc. | Apparatus and method for loading and delivering a stent using a suture retaining mechanism |
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| WO2012000256A1 (en) | 2012-01-05 |
| CN102316596B (en) | 2014-04-09 |
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