CN105246162B - Resource regulating method and device in a kind of heterogeneous network - Google Patents
Resource regulating method and device in a kind of heterogeneous network Download PDFInfo
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- CN105246162B CN105246162B CN201510670646.5A CN201510670646A CN105246162B CN 105246162 B CN105246162 B CN 105246162B CN 201510670646 A CN201510670646 A CN 201510670646A CN 105246162 B CN105246162 B CN 105246162B
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Classifications
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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
- H04W72/27—Control channels or signalling for resource management between access points
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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
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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
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
Abstract
The invention discloses the resource regulating methods and device in a kind of heterogeneous network, comprising: according to the channel quality parameter reported to dispatch terminal, determine to dispatch terminal whether be micro- station edge customer and to dispatch terminal whether by adjacent macro station interference；If to dispatch terminal for the edge customer at micro- station and by the interference of adjacent macro station, it is determined that interference macro station set of the interference to dispatch terminal；According to the almost blank subframe ABS illustration sample that each macro station in the interference macro station set received is sent, the ABS subframe used to dispatch terminal is determined.Present invention determine that going out the edge customer by macro interference, pointedly ABS subframe is distributed for such user, and by determining the interference macro station set to dispatch terminal, it is used so that the ABS subframe that corresponding interference macro station is sent is distributed to this by micro- station to dispatch terminal, not only ensure the reasonable employment of ABS subframe, the quality of service to dispatch terminal is also effectively improved simultaneously, realizes the purpose of macro micro- interference coordination.
Description
Technical field
The present invention relates to the resource regulating methods and device in field of communication technology more particularly to a kind of heterogeneous network.
Background technique
For effectively solve macro station indoors with the covering and shunting under hot spot scene the problems such as, draw in macro station coverage area
Enter low power nodes (LPN, Low PowerNode), to form the multitiered network of the same covering of different type node composition, industry
Such network is known as heterogeneous network (HetNet, Heterogeneous network) by boundary.LPN includes Pico cell
(Picocell), Home eNodeB (Femtocell) and possess the relay node (Relay Node) of signal relay transmission, for
Here LPN also may be collectively referred to as micro- station；Compared with traditional macro station, micro- station has low in energy consumption, small in size, light and flexible, just
In covering the advantages that mending the flexible deployments such as blind and hot spot shunting, operator can satisfy in order to which the different scenes that network is disposed need
It asks.
Macro station and micro- station are very flexible on networking mode in HetNet at present, both can be with identical networking, can also be with alien frequencies
Networking, since frequency spectrum resource is more nervous, industry is frequently with the scheme of identical networking, but identical networking makes micro- station edge customer
More serious interference is received, causes the indexs such as its mobility, access performance to deteriorate, therefore in isomery common-frequency network, also
Need to solve macro micro- interference problem.Pass through enhancement type district interference coordination (eICIC, Enhanced in the prior art
Inter Cell Interference Coordination) macro micro- interference is solved, eICIC method mainly utilizes almost
Blank subframe (ABS, Almost Blank Subframe) technology, macro station configuration ABS illustration sample are handed down to micro- station, and macro station is in ABS
(such as Physical Downlink Control Channel, Physical Downlink Shared Channel) reduces transmission power or does not send out on certain physical channels of frame
It penetrates, micro- station is using the user equipment (UE, User Equipment) under the corresponding micro- station of ABS subframe scheduling, to reduce macro station
Interference to the UE under micro- station.But how micro- station is dispatched UE and is ensured the resource utilization of ABS subframe using ABS subframe, especially
It is to receive the ABS illustration sample that multiple macro stations are sent at micro- station, and the ABS illustration sample for how being directed to different macro stations dispatches different UE,
Solution is not provided in the prior art.
Summary of the invention
The embodiment of the present invention provides the resource regulating method and device in a kind of heterogeneous network, how to cover to solve for micro- station
The problem of edge customer within the scope of lid by macro serious interference pointedly distributes ABS subframe, so as to improve to dispatch terminal
Quality of service improves the utilization rate of ABS subframe.
Resource regulating method in a kind of heterogeneous network provided in an embodiment of the present invention, comprising:
According to the channel quality parameter reported to dispatch terminal, determine whether described to dispatch terminal be that the edge at micro- station is used
Family and it is described to dispatch terminal whether by adjacent macro station interference；
If described to edge customer that dispatch terminal is micro- station and by the interference of adjacent macro station, it is determined that interference is described wait adjust
Spend the interference macro station set of terminal；
According in the interference macro station set received each macro station send almost blank subframe ABS illustration sample, determine described in
The ABS subframe used to dispatch terminal.
Preferably, the ABS subframe pattern sent according to each macro station in the interference macro station set received, determine it is described to
The ABS subframe that dispatch terminal uses, comprising:
If containing at least two macro station in the interference macro station set, by each macro station ABS in the interference macro station set
ABS subframe takes intersection or union in pattern；
According to the ABS subframe taken after intersection or union, the ABS subframe used to dispatch terminal is determined.
Preferably, after the ABS subframe used described in determining to dispatch terminal, further includes:
According to the requirement to dispatch terminal to service rate, determination is described to use the excellent of ABS subframe to dispatch terminal
First grade, wherein the priority to dispatch terminal of guarantee bit rate GBR is higher than non-guaranteed bit rate N-GBR wait dispatch
Terminal.
Preferably, further includes:
Determine the type to dispatch terminal, wherein a Terminal Type is the central user at micro- station, and two Terminal Types are micro- station
Edge customer and by the interference of adjacent macro station, three Terminal Types are the edge customer at micro- station and not by the interference of adjacent macro station；
According to the type to dispatch terminal, determination is described to use ABS subframe and/or non-ABS to dispatch terminal
The priority of frame, wherein be followed successively by two Terminal Types, a Terminal Type from high to Low using the priority of ABS subframe；Use non-ABS
The priority of subframe is followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
Preferably, it according to the type to dispatch terminal and the requirement to dispatch terminal to service rate, determines
It is described to dispatch terminal in the priority using ABS subframe and/or non-ABS subframe；
It wherein, the use of the priority of ABS subframe is two class GBR terminals > bis- class N-GBR terminals > one kind GBR terminal > one kind
N-GBR terminal；
Priority using non-ABS subframe is three classes GBR terminal > one kind GBR terminal > three classes N-GBR terminal > one kind N-
GBR terminal > bis- class GBR terminals.
The embodiment of the present invention provides the resource scheduling device in a kind of heterogeneous network, comprising:
Judgment module, for determining to dispatch terminal whether be micro- according to the channel quality parameter reported to dispatch terminal
The edge customer stood and it is described to dispatch terminal whether by adjacent macro station interference；
Determining module, if for it is described to dispatch terminal be micro- station edge customer and by the interference of adjacent macro station, really
The fixed interference interference macro station set to dispatch terminal；
Module is chosen, the almost blank subframe ABS for sending according to each macro station in the interference macro station set received
Pattern determines the ABS subframe to dispatch terminal.
Preferably, module is chosen, is specifically used for:
If containing at least two macro station in the interference macro station set, by each macro station ABS in the interference macro station set
ABS subframe takes intersection or union in pattern；According to the ABS subframe taken after intersection or union, determine described makes to dispatch terminal
ABS subframe.
Preferably, further includes:
Scheduler module, for according to the requirement to dispatch terminal to service rate, determination is described to be made to dispatch terminal
With the priority of ABS subframe, wherein guarantee that the priority to dispatch terminal of bit rate GBR is higher than non-guaranteed bit rate
N-GBR to dispatch terminal.
Preferably, judgment module is specifically used for:
Determine the type to dispatch terminal, wherein a Terminal Type is the central user at micro- station, and two Terminal Types are micro- station
Edge customer and by the interference of adjacent macro station, three Terminal Types are the edge customer at micro- station and not by the interference of adjacent macro station；
Scheduler module is specifically used for:
According to the type to dispatch terminal, determination is described to use ABS subframe and/or non-ABS to dispatch terminal
The priority of frame；
Wherein, two Terminal Types, a Terminal Type are followed successively by from high to Low using the priority of ABS subframe；
Three Terminal Types, a Terminal Type and two Terminal Types are followed successively by from high to Low using the priority of non-ABS subframe.
Preferably, scheduler module, also particularly useful for:
According to the type to dispatch terminal and the requirement to dispatch terminal to service rate, determine described wait adjust
Terminal is spent in the priority using ABS subframe and/or non-ABS subframe；
It wherein, the use of the priority of ABS subframe is two class GBR terminals > bis- class N-GBR terminals > one kind GBR terminal > one kind
N-GBR terminal；
Priority using non-ABS subframe is three classes GBR terminal > one kind GBR terminal > three classes N-GBR terminal > one kind N-
GBR terminal > bis- class GBR terminals.
In the embodiment of the present invention, first according to the channel quality parameter reported to dispatch terminal, the end to be dispatched is determined
End whether be micro- station edge customer and it is described whether can be true by this step by the interference of adjacent macro station to dispatch terminal
The edge customer interfered by macro station is made, such user is usually disturbed serious user, therefore need to pointedly be such use
ABS subframe is distributed at family；Further, it is determined that the interference interference macro station set to dispatch terminal, according to the interference received
The almost blank subframe ABS illustration sample that each macro station in macro station set is sent determines the ABS subframe used to dispatch terminal；
The interference macro station set to dispatch terminal is determined in this step, so that micro- station can be by the ABS illustration sample of corresponding interference macro station
In ABS subframe distribute to this to dispatch terminal use, avoid the ABS subframe using the non-interference macro station to dispatch terminal, really
The reasonable employment for having protected ABS subframe improves the utilization rate of ABS sub-frame resources, while also effectively improving to dispatch terminal
Quality of service realizes the purpose of macro micro- interference coordination.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the exemplary diagram of the resource regulating method in heterogeneous network provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of the resource regulating method in heterogeneous network provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the resource scheduling device in heterogeneous network provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings of the specification.
For scene referring to Fig.1 preferably to discuss the specific implementation process in the embodiment of the present invention, Fig. 1 is a field
Scape example, it is clear that technical solution of the present invention can be applied in heterogeneous network under any scene of macro micro- interference.
As shown in Figure 1, there is covering crossover region in the coverage area and macro station M1, M2 of micro- station P2 and micro- station P1, at micro- station
In P2 coverage area, a shared UE1~UE10 totally ten to dispatch terminal, wherein the covering that UE4 is in macro station M1 and M2 is overlapping
Area.Micro- station P2 will receive the ABS illustration sample of macro station M1, M2 transmission, the ABS subframe position in ABS illustration sample that usual macro station M1, M2 is sent
It sets and ABS number of sub-frames is not identical, micro- station P2 can determine the ABS illustration sample of micro- station P2 using the following two kinds mode, as
The ABS subframe used is distributed to dispatch terminal under micro- station P2.Method one: to ABS in the ABS illustration sample of each macro station received
Frame takes intersection to obtain the ABS illustration sample at micro- station, the method will make macro station still in the ABS subframe being not belonging in intersection range not
Data are sent, and micro- station does not use these subframes to carry out the scheduling of resource of interference user yet, causes to a certain extent macro
The waste for resource of standing；Method two: union is taken to obtain the ABS illustration at micro- station the ABS subframe in the ABS illustration sample of the multiple macro stations received
Sample, all ABS subframes that macro station issues are utilized in micro- station in the method, but micro- station does not consider the interference being subject to dispatch terminal
Other micro- stations are still come from from macro station, and also do not distinguish the interference to dispatch terminal by which macro station, and micro- station is likely to
Mistake will be dispatched in ABS subframe by users of other micro- station interference, or by the terminal scheduling interfered by macro station M1 to macro station
In the ABS subframe of M2 distribution.The method cannot function well as the purpose of macro micro- interference coordination, not improve really by macro interference
The performance of user, and since macro station ABS subframe does not obtain targetedly using the wasting of resources for still causing macro station.
The embodiment of the invention provides another resource regulating methods based on the above issues, as shown in Fig. 2, including following step
It is rapid:
Step 201, according to the channel quality parameter reported to dispatch terminal, determine whether described to dispatch terminal be micro- station
Edge customer and it is described to dispatch terminal whether by adjacent macro station interference；
Step 202, if it is described to dispatch terminal be micro- station edge customer and by the interference of adjacent macro station, it is determined that interference
The interference macro station set to dispatch terminal；
Step 203, the almost blank subframe ABS illustration sample sent according to each macro station in the interference macro station set received,
Determine the ABS subframe used to dispatch terminal.
Specifically, in above-mentioned steps 201, the channel quality parameter reported to dispatch terminal can be reference signal reception
Power (RSRP, Reference Signal Received Power) or Signal to Interference plus Noise Ratio (SINR, Signal
To Interference plus Noise Ratio) or other can characterize the parameter to dispatch terminal channel quality.Separately
Outside, under different systems, the statement for characterizing the parameter of channel quality is also different, such as in LTE (Long Term Evolution, length
Phase evolution) middle finger is exactly RSRP value, and what it is in 3G (3rd-Generation) network middle finger is exactly received signal code power
(RSCP, Received Signal Code Power), is also possible to Reference Signal Received Quality (RSRQ, Reference
Signal Receiving Quality).In this step, it can wait for that the RSRP and first that dispatch terminal measurement reports is pre- by this
Gating limit is compared, or by this wait for RSRP that dispatch terminal measurement reports and with this wait for dispatch terminal locating for base station it is adjacent
The RSRP differences of other base stations be compared with the second pre-determined threshold show whether this belongs to edge customer to dispatch terminal again.
It preferably, can be by dispatch terminal channel quality parameter and preset channel deterioration in above-mentioned steps 201
Thresholding is compared, determine it is described to dispatch terminal whether by adjacent macro station interference, if should join to dispatch terminal channel quality
Number is less than or equal to preset channel deterioration thresholding, then shows that this receives interference to dispatch terminal；Conversely, then showing this wait adjust
It is interference-free to spend terminal, can specifically there is following two preferred embodiment:
Mode one: can be compared by the RSRP reported to dispatch terminal measurement with the first preset channel deterioration thresholding
Compared with, such as the first preset channel deterioration thresholding is set as -90dBm, if the RSRP that should be reported to dispatch terminal measurement is less than
Equal to -90dBm, then interference should be received to dispatch terminal；Pass through in the neighboring community Wei Zhan for waiting for that dispatch terminal reports simultaneously
The RSRP of macro station be more than or equal to it is default by macro interference threshold, adjudicate this wait for dispatch terminal whether the interference by adjacent macro station.
Mode two: can be compared by the SINR reported to dispatch terminal measurement with the second preset channel deterioration thresholding
Compared with, such as the second preset channel deterioration thresholding is set as 3dB, if being less than or equal to the SINR that dispatch terminal measurement reports
3dB then should receive interference to dispatch terminal；Simultaneously by being disturbed macro station in the neighboring community Wei Zhan reported to dispatch terminal
RSRP be more than or equal to it is default by macro interference threshold come adjudicate this wait for dispatch terminal whether the interference by adjacent macro station.
Further, pass through above-mentioned judging process, it can be determined that go out and belong to edge customer or center to dispatch terminal
User and whether interfered by macro station, may thereby determine that the type to dispatch terminal, wherein a Terminal Type is in micro- station
Heart user, two Terminal Types are the edge customer at micro- station and by the interference of adjacent macro station, three Terminal Types be the edge customer at micro- station and
Not by the interference of adjacent macro station.
Determined by step 201 it is described to edge customer that dispatch terminal is micro- station and after by the interference of adjacent macro station,
Need to determine the interference interference macro station set to dispatch terminal in step 202.It, can by the judging process of step 201
To know the cell ID of interference macro station.If the adjacent macro station number for meeting the condition is more than or equal to 1, show the end to be dispatched
End is by 1 or the interference of multiple macro stations, then record meets all macro station cells of the condition, determines that interference is described wait dispatch
The interference macro station set of terminal.
In step 203, according to the almost blank subframe ABS illustration of each macro station transmission in the interference macro station set received
Sample determines the ABS subframe used to dispatch terminal, specifically can be each macro station ABS illustration in the interference macro station set
ABS subframe takes intersection or union in sample；According to the ABS subframe taken after intersection or union, determines and described used to dispatch terminal
ABS subframe.Such as shown in Fig. 1, to dispatch terminal UE4 by macro station M1 and M2 interfere, then the interference macro station collection of UE4 be combined into M1,
M2 }, it is { 0 subframe 5 of frame, 1 subframe 0 of frame } that such as micro- station P2, which receives the ABS subframe pattern that macro station M1 is sent, receives what macro station M2 was sent
ABS subframe pattern is { 0 subframe 0 of frame, 1 subframe 0 of frame, 1 subframe 6 of frame }, then UE4 can be dispatched to the ABS subframe that M1 and M2 are sent
Take intersection { 1 subframe 0 of frame } or union { 0 subframe 0 of frame, 1 subframe 0 of frame, 1 subframe 6 of frame, 0 subframe 5 of frame }.Micro- station P2 to it is different to
Dispatch terminal can be by the way of different determination ABS subframes, such as to UE4 in such a way that ABS subframe takes intersection, to UE5
The mode of union is taken, is not especially limited in this programme.
Preferably, after the ABS subframe used to dispatch terminal is determined in the embodiment of the present invention, according to described wait adjust
Requirement of the terminal to service rate is spent, the priority for using ABS subframe to dispatch terminal is determined, guarantees bit rate
The priority to dispatch terminal of (GBR, Guaranteed Bit Rate) is higher than non-guaranteed bit rate (N-GBR, Non-
Guaranteed Bit Rate) to dispatch terminal, wherein GBR wait for dispatch terminal be to the guaranteed rate requirement of business and
There is the terminal of high standard to indexs such as time delay, rate, Block Error Rates, N-GBR waits for that dispatch terminal is to service rate there is no guarantee that speed
The terminal that rate requires.
Preferably, for three Terminal Types determined in step 201, micro- station can use different plans in scheduling subframe
Slightly, to guarantee the utilization rate of scheduling subframe, and the interference being subject to dispatch terminal is reduced.Scheduling subframe includes two kinds: a kind of
It is ABS subframe, i.e., is identified as the subframe of almost blank subframe by all macro stations within the ABS sub-frame configuration period；Another is
Non- ABS subframe, i.e. all downlink subframes within the ABS sub-frame configuration period other than ABS subframe.
Preferably, determine that the method to the scheduling subframe of dispatch terminal is:
The scheduling subframe of one Terminal Type is non-ABS subframe and ABS subframe；
The scheduling subframe of two Terminal Types is non-ABS subframe and ABS subframe；When two Terminal Type is dispatched to ABS subframe, only
It can be dispatched in the corresponding interference macro station set of two Terminal Type in the ABS subframe of all macro station distribution, and only discontented
The operation quality requirement and non-ABS subframe of two Terminal Type have and just allow to be dispatched to when resources left in non-ABS subframe enough；
The scheduling subframe of three Terminal Types is non-ABS subframe.
Preferably, according to the type to dispatch terminal, determine it is described to dispatch terminal using ABS subframe and/or
The priority of non-ABS subframe, wherein user centered on a Terminal Type, quality of service is preferable, generally has in ABS sub-frame resources
On a kind of terminal scheduling to ABS subframe, will can not only efficiently use macro station ABS sub-frame resources when remaining, and facilitate into
One step promotes user's perception；For three Terminal Types as not by the edge customer of macro interference, scheduling subframe is non-ABS subframe, to improve
The three classes terminal traffic quality simultaneously takes into account user fairness, user's perception is promoted, by dispatching priority of three Terminal Types on non-ABS
Grade ranks the first, and to sum up, is followed successively by two Terminal Types, a Terminal Type from high to Low using the priority of ABS subframe；Use non-ABS
The priority of subframe is followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
Preferably, it according to the type to dispatch terminal and the requirement to dispatch terminal to service rate, determines
It is described to dispatch terminal in the priority using ABS subframe and/or non-ABS subframe；
It wherein, the use of the priority of ABS subframe is two class GBR terminals > bis- class N-GBR terminals > one kind GBR terminal > one kind
N-GBR terminal；
Priority using non-ABS subframe is three classes GBR terminal > one kind GBR terminal > three classes N-GBR terminal > one kind N-
GBR terminal > bis- class GBR terminals.
A specific embodiment is lifted below with reference to Fig. 1, introduces how technical solution of the present invention is directed to different dispatch terminals
Determine different ABS subframes.
As shown in Figure 1, there is covering crossover region in the coverage area and macro station M1, M2 of micro- station P2 and micro- station P1, at micro- station
In P2 coverage area share UE1~UE10 totally ten to dispatch terminal.The RSPR pre-determined threshold set is -90dBm, channel quality
Deterioration thresholding SINR is 3dB, and RSRP is set as -100dBm by macro interference threshold, according to what is respectively reported to dispatch terminal measurement
RSPR is compared with RSPR pre-determined threshold -90dBm, show that UE1~UE8 is edge customer, UE9 and UE10 are center user；
The SINR of UE2~UE7 is respectively less than channel quality and deteriorates thresholding SINR3dB, and the RSRP of adjacent area macro station M1 that UE2 and UE3 are reported
Respectively -88dBm and -90dBm, the RSRP of adjacent area macro station M1 and M2 that UE4 is reported are respectively -98dBm and -99dBm, UE5 and
The RSRP for the adjacent area macro station M2 that UE6 is reported is -95dBm and -96dBm, does not have macro station signal, UE1 in the adjacent area RSRP that UE7 is reported
It is unsatisfactory for being less than or equal to channel quality deterioration threshold condition with the channel quality of UE8, illustrates that channel quality is good；From the foregoing, it will be observed that UE2
The RSRP of the adjacent area macro station of~UE6, which is all larger than, to be preset by macro interference threshold -100dBm, therefore shows that UE2~UE6 is by macro interference
Edge customer, and UE2 and UE3 is interfered by macro station M1, and UE4 is interfered by macro station M1 and M2, and UE5 and UE6 are interfered by macro station M2,
Although UE7 bad channel quality, but not is to be interfered by other micro- station P1, UE1~UE10 is waited for dispatch terminal point by macro interference
At three classes are as follows:
One Terminal Type: { UE9, UE10 }
Two Terminal Types: { UE2, UE3, UE4, UE5, UE6 }, wherein the interference macro station collection of UE2 is combined into { M1 }, the interference of UE3
Macro station collection is combined into { M1 }, and the interference macro station collection of UE4 is combined into { M1, M2 }, and the interference macro station collection of UE5 is combined into { M2 }, and the interference of UE6 is macro
Collection of standing is combined into { M2 }；
Three Terminal Types: { UE1, UE7, UE8 }；
For example, micro- station P2 receives the ABS subframe pattern that two macro stations are sent in total, it is macro station M1 and M2 respectively, wherein receiving
The ABS subframe pattern sent to macro station M1 is { 0 subframe 5 of frame, 1 subframe 0 of frame }, and receiving the ABS subframe pattern that macro station M2 is sent is
{ 0 subframe 0 of frame, 1 subframe 0 of frame, 1 subframe 6 of frame } then determines that the ABS subframe at micro- station is respectively { 0 son of frame by the way of taking union
Frame 0,1 subframe 0 of frame, 1 subframe 6 of frame, 0 subframe 5 of frame }, non-ABS subframe, i.e., within the ABS sub-frame configuration period other than ABS subframe
All downlink subframes, then ABS configuration the period in, non-ABS subframe is respectively: 0 subframe 1 of frame, 0 subframe 4 of frame, 0 subframe 6 of frame,
0 subframe 9 of frame, 1 subframe 1 of frame, 1 subframe 4 of frame, 1 subframe 5 of frame, 1 subframe 9 of frame }；
The case where setting the non-ABS subframe and ABS subframe that three Terminal Types use is as follows:
One Terminal Type: { UE9, UE10 }, scheduling subframe: non-ABS subframe and ABS subframe, i.e., all downlink subframes；
Two Terminal Types: { UE2, UE3, UE4, UE5, UE6 }, scheduling subframe: non-ABS subframe and ABS subframe, i.e., all downlinks
Subframe, but it is directed to ABS subframe, which is only capable of being dispatched to all macro stations in the corresponding interference macro station set of two Terminal Types
In the ABS subframe of distribution, wherein UE2 and UE3 is only interfered by macro station M1, is only dispatched in the ABS subframe that macro station M1 is sent, i.e.,
{ 0 subframe 5 of frame, 1 subframe 0 of frame }, UE4 are interfered by macro station M1 and M2, then UE4 can be dispatched in the ABS subframe that M1 and M2 are sent,
It uses and takes the mode of union for { 0 subframe 0 of frame, 1 subframe 0 of frame, 1 subframe 6 of frame, 0 subframe 5 of frame }, UE5 and UE6 are only by macro station M2
Interference, then UE5 and UE6 is only dispatched in the ABS subframe that macro station M2 is sent, i.e. { 0 subframe 0 of frame, 1 subframe 0 of frame, 1 subframe 6 of frame },
And this 5 terminals, just allow to be dispatched to non-ABS when being unsatisfactory for operation quality requirement and non-ABS subframe has resources left
Frame { 0 subframe 1 of frame, 0 subframe 4 of frame, 0 subframe 6 of frame, 0 subframe 9 of frame, 1 subframe 1 of frame, 1 subframe 4 of frame, 1 subframe 5 of frame, 1 subframe 9 of frame }
On；
Three Terminal Types: { UE1, UE7, UE8 }, scheduling subframe: non-ABS subframe, i.e. { 0 subframe 1 of frame, 0 subframe 4 of frame, 0 son of frame
Frame 6,0 subframe 9 of frame, 1 subframe 1 of frame, 1 subframe 4 of frame, 1 subframe 5 of frame, 1 subframe 9 of frame }；
In ABS subframe, the dispatching priority of terminal are as follows:
A two Terminal Types > Terminal Type
In non-ABS subframe, the dispatching priority of user are as follows:
A three Terminal Types > Terminal Type > bis- Terminal Types；
Such as: based on to dispatch terminal to service rate requirement, divide to dispatch terminal be GBR and two kinds of N-GBR, wherein
It is known
One Terminal Type: UE9 is GBR terminal in { UE9, UE10 }, and UE10 is N-GBR terminal；
Two Terminal Types: UE2, UE4, UE6 are GBR terminal in { UE2, UE3, UE4, UE5, UE6 }, and UE3 and UE5 are N-GBR
Terminal；
Three Terminal Types: UE1 and UE7 is GBR terminal in { UE1, UE7, UE8 }, and UE8 is N-GBR terminal；
Finally, available within the ABS configuration period according to ABS subframe and the sequence of non-ABS subframe scheduling priority of terminal
The scheduling priority of terminal of each scheduling subframe is as follows:
The scheduling priority of terminal of 1 scheduling subframe of table
The embodiment of the present invention, according to the channel quality parameter reported to dispatch terminal, determine it is described to dispatch terminal whether
For micro- station edge customer and it is described to dispatch terminal whether by adjacent macro station interference, by this step, can determine by
The edge customer of macro station interference, such user are usually to be disturbed serious user, therefore need to pointedly distribute for such user
ABS subframe；Further, it is determined that the interference interference macro station set to dispatch terminal, according to the interference macro station collection received
The almost blank subframe ABS illustration sample that each macro station in conjunction is sent determines the ABS subframe used to dispatch terminal, this step
Interference macro station set of the middle determination to dispatch terminal, so that micro- station can be by the ABS in the ABS illustration sample of corresponding interference macro station
Subframe is distributed to this and is used to dispatch terminal, avoids the ABS subframe using the non-interference macro station to dispatch terminal, it is ensured that ABS
The reasonable employment of subframe improves the utilization rate of ABS sub-frame resources, while also effectively improving the business matter to dispatch terminal
Amount, realizes the purpose of macro micro- interference coordination；In addition, waiting for that dispatch terminal belongs to edge customer or central user according to this
And whether interfered by adjacent macro station, the type to dispatch terminal is determined, according to the type to dispatch terminal and described
Requirement to dispatch terminal to service rate, determine it is described to dispatch terminal using the excellent of ABS subframe and/or non-ABS subframe
First grade, wherein the terminal PRI sequence in different scheduling subframes, which follows to be disturbed, to be higher than not to dispatch terminal priority by dry
It disturbs to dispatch terminal, high-quality business requires to be higher than low quality business need, ensure that the industry being disturbed to dispatch terminal with this
Business and high-quality business require the business to dispatch terminal, improve the overall performance of user's perception and system.
Based on the same technical idea, the embodiment of the present invention also provides the resource scheduling device in a kind of heterogeneous network, the dress
Set executable above method embodiment.Resource scheduling device in heterogeneous network provided in an embodiment of the present invention is as shown in Figure 3.
Described device includes:
Judgment module, for determining to dispatch terminal whether be micro- according to the channel quality parameter reported to dispatch terminal
The edge customer stood and it is described to dispatch terminal whether by adjacent macro station interference；
Determining module, if for it is described to dispatch terminal be micro- station edge customer and by the interference of adjacent macro station, really
The fixed interference interference macro station set to dispatch terminal；
Module is chosen, the almost blank subframe ABS for sending according to each macro station in the interference macro station set received
Pattern determines the ABS subframe to dispatch terminal.
Preferably, module is chosen, if specifically for containing at least two macro station in the interference macro station set, it will be described
ABS subframe takes intersection or union in each macro station ABS illustration sample in interference macro station set；According to ABS taken after intersection or union
Frame determines the ABS subframe used to dispatch terminal.
Preferably, which further includes scheduler module, for the requirement according to dispatch terminal to service rate, really
The fixed priority that ABS subframe is used to dispatch terminal, wherein guarantee the priority to dispatch terminal of bit rate GBR
Higher than non-guaranteed bit rate N-GBR to dispatch terminal.
Preferably, judgment module is also used to determine the type to dispatch terminal, wherein a Terminal Type is micro- station
Central user, two Terminal Types are the edge customer at micro- station and by the interference of adjacent macro station, and three Terminal Types are the edge customer at micro- station
And not by the interference of adjacent macro station；
Preferably, scheduler module is also used to according to the type to dispatch terminal, and determination is described to be made to dispatch terminal
With ABS subframe and/or the priority of non-ABS subframe；
Wherein, two Terminal Types, a Terminal Type are followed successively by from high to Low using the priority of ABS subframe；
Three Terminal Types, a Terminal Type and two Terminal Types are followed successively by from high to Low using the priority of non-ABS subframe.
Preferably, scheduler module, be also used to according to the type to dispatch terminal and it is described to dispatch terminal to business
The requirement of rate, determine it is described to dispatch terminal in the priority using ABS subframe and/or non-ABS subframe；
It wherein, the use of the priority of ABS subframe is two class GBR terminals > bis- class N-GBR terminals > one kind GBR terminal > one kind
N-GBR terminal；
Priority using non-ABS subframe is three classes GBR terminal > one kind GBR terminal > three classes N-GBR terminal > one kind N-
GBR terminal > bis- class GBR terminals.
It should be understood by those skilled in the art that, embodiments herein can provide as method or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. the resource regulating method in a kind of heterogeneous network, which is characterized in that this method comprises:
According to the channel quality parameter reported to dispatch terminal, determine it is described to dispatch terminal whether be micro- station edge customer and
It is described to dispatch terminal whether by adjacent macro station interference；
If described to edge customer that dispatch terminal is micro- station and by the interference of adjacent macro station, it is determined that interfere the end to be dispatched
The interference macro station set at end；
According to the almost blank subframe ABS illustration sample that each macro station in the interference macro station set received is sent, determine described wait adjust
The ABS subframe that degree terminal uses；It specifically includes:
If containing at least two macro station in the interference macro station set, by each macro station ABS illustration sample in the interference macro station set
Middle ABS subframe takes intersection or union；
According to the ABS subframe taken after intersection or union, the ABS subframe used to dispatch terminal is determined.
2. the method as described in claim 1, which is characterized in that the ABS subframe used described in the determination to dispatch terminal it
Afterwards, further includes:
According to the requirement to dispatch terminal to service rate, the priority that ABS subframe is used to dispatch terminal is determined,
Wherein, the priority to dispatch terminal of guarantee bit rate GBR is higher than non-guaranteed bit rate N-GBR to dispatch terminal.
3. such as the described in any item methods of claim 1 to 2, which is characterized in that this method further include:
Determine the type to dispatch terminal, wherein a Terminal Type is the central user at micro- station, and two Terminal Types are the side at micro- station
Edge user and by the interference of adjacent macro station, three Terminal Types are the edge customer at micro- station and not by the interference of adjacent macro station；
According to the type to dispatch terminal, determine it is described to dispatch terminal using ABS subframe and/or non-ABS subframe
Priority, wherein be followed successively by two Terminal Types, a Terminal Type from high to Low using the priority of ABS subframe；Use non-ABS subframe
Priority be followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
4. such as the described in any item methods of claim 1 to 2, which is characterized in that this method further include:
Determine the type to dispatch terminal, wherein a Terminal Type is the central user at micro- station, and two Terminal Types are the side at micro- station
Edge user and by the interference of adjacent macro station, three Terminal Types are the edge customer at micro- station and not by the interference of adjacent macro station；
According to the type to dispatch terminal and the requirement to dispatch terminal to service rate, the end to be dispatched is determined
It holds in the priority using ABS subframe and/or non-ABS subframe；
It wherein, the use of the priority of ABS subframe is two class GBR terminals > bis- class N-GBR terminals > one kind GBR terminal > one kind N-GBR
Terminal；
Priority using non-ABS subframe is that three classes GBR terminal > one kind GBR terminal > three classes N-GBR terminal > one kind N-GBR is whole
Hold > bis- class GBR terminals.
5. the resource scheduling device in a kind of heterogeneous network, which is characterized in that the device includes:
Judgment module, for determining to dispatch terminal whether be micro- station according to the channel quality parameter reported to dispatch terminal
Edge customer and it is described to dispatch terminal whether by adjacent macro station interference；
Determining module, if for described to edge customer that dispatch terminal is micro- station and by the interference of adjacent macro station, it is determined that dry
Disturb the interference macro station set to dispatch terminal；
Module is chosen, the almost blank subframe ABS illustration sample for being sent according to each macro station in the interference macro station set received,
Determine the ABS subframe to dispatch terminal；The selection module, if being specifically used in the interference macro station set comprising at least
Two macro stations, then by ABS subframe takes intersection or union in each macro station ABS illustration sample in the interference macro station set；According to taking intersection
Or the ABS subframe after union, determine the ABS subframe used to dispatch terminal.
6. device as claimed in claim 5, which is characterized in that the device further include:
Scheduler module described uses ABS to dispatch terminal for determining according to the requirement to dispatch terminal to service rate
The priority of subframe, wherein guarantee that the priority to dispatch terminal of bit rate GBR is higher than non-guaranteed bit rate N-GBR
To dispatch terminal.
7. such as the described in any item devices of claim 5 to 6, which is characterized in that
The judgment module is also used to determine the type to dispatch terminal, wherein a Terminal Type is that the center at micro- station is used
Family, two Terminal Types are the edge customer at micro- station and by the interference of adjacent macro station, three Terminal Types be the edge customer at micro- station and not by
The interference of adjacent macro station；
The scheduler module is also used to the type according to described to dispatch terminal, determines and described is using ABS to dispatch terminal
The priority of frame and/or non-ABS subframe；
Wherein, two Terminal Types, a Terminal Type are followed successively by from high to Low using the priority of ABS subframe；
Three Terminal Types, a Terminal Type and two Terminal Types are followed successively by from high to Low using the priority of non-ABS subframe.
8. such as the described in any item devices of claim 5 to 6, which is characterized in that
The judgment module is also used to determine the type to dispatch terminal, wherein a Terminal Type is that the center at micro- station is used
Family, two Terminal Types are the edge customer at micro- station and by the interference of adjacent macro station, three Terminal Types be the edge customer at micro- station and not by
The interference of adjacent macro station；
The scheduler module is also used to according to the type to dispatch terminal and described wants to dispatch terminal to service rate
It asks, to dispatch terminal in the priority using ABS subframe and/or non-ABS subframe described in determination；
It wherein, the use of the priority of ABS subframe is two class GBR terminals > bis- class N-GBR terminals > one kind GBR terminal > one kind N-GBR
Terminal；
Priority using non-ABS subframe is that three classes GBR terminal > one kind GBR terminal > three classes N-GBR terminal > one kind N-GBR is whole
Hold > bis- class GBR terminals.
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| CN106455080B (en) * | 2016-10-25 | 2019-10-25 | 中国联合网络通信集团有限公司 | A kind of dispatching method and communications network system based on macro micro- collaboration |
| CN109151972B (en) * | 2018-10-31 | 2021-12-17 | 京信网络系统股份有限公司 | Uplink power control method, device, computer equipment and storage medium |
| WO2020142897A1 (en) * | 2019-01-08 | 2020-07-16 | 华为技术有限公司 | Scheduling method and apparatus, storage medium and communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102655681A (en) * | 2011-03-01 | 2012-09-05 | 普天信息技术研究院有限公司 | Scheduling method |
| CN102761891A (en) * | 2011-04-29 | 2012-10-31 | 普天信息技术研究院有限公司 | Method for optimizing ABS (Almost Blank Sub-Frame) pattern in heterogeneous network |
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| US9462520B2 (en) * | 2013-01-21 | 2016-10-04 | Telefonaktiebolaget L M Ericsson (Publ) | Systems and methods for using enhanced receiver and gaps when handling interference |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655681A (en) * | 2011-03-01 | 2012-09-05 | 普天信息技术研究院有限公司 | Scheduling method |
| CN102761891A (en) * | 2011-04-29 | 2012-10-31 | 普天信息技术研究院有限公司 | Method for optimizing ABS (Almost Blank Sub-Frame) pattern in heterogeneous network |
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