CN105163320B - A kind of disturbance coordination method and device - Google Patents
A kind of disturbance coordination method and device Download PDFInfo
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- CN105163320B CN105163320B CN201510542772.2A CN201510542772A CN105163320B CN 105163320 B CN105163320 B CN 105163320B CN 201510542772 A CN201510542772 A CN 201510542772A CN 105163320 B CN105163320 B CN 105163320B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
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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
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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Abstract
The invention discloses a kind of disturbance coordination method and device, the micro- station interference information and micro- almost blank subframe ABS resource utilization of standing that each micro- station reports are obtained；According to each micro- station interference information, disturbed micro- station set of each interference macro station is determined；According to each micro- station ABS resource utilization, the ABS resource utilization of each interference macro station is determined；The ABS resource utilization of disturbed micro- station set and/or interference macro station is sent to corresponding interference macro station, so that respectively interference macro station is determining and sends the ABS illustration sample of update；Receive the ABS illustration sample of each interference macro station, and gathered according to disturbed micro- station, the ABS illustration sample for interfering macro station is sent to each micro- station in corresponding disturbed micro- station set, reach and reduces the load that micro- macro frequent information exchange and macro station are handled in real time, rationally and effectively utilize frequency resource, achieve the purpose that micro- macro interference coordination, significantly reduces the macro micro- co-channel interference in heterogeneous network.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of disturbance coordination methods and device.
Background technique
ABS (Almost Blank Subframe, almost blank subframe) technology is eICIC (Enhanced Inter
Cell Interference Coordination, enhancement type district interference coordination) one of key technology in method, currently
It is more and more applied in the macro station under heterogeneous network and the interference coordination between micro- station.But realizing macro micro- interference association
During tune, a significant drawback is that the macro micro- interaction for carrying out ABS illustration sample and ABS resource utilization information is frequent.
ABS technology by way of configuring ABS illustration sample makes that source cell is interfered to believe in certain physics of the ABS subframe of configuration
Power emission is reduced on road or is not emitted, so as to avoid to interfered cell UE (User Equipment, Yong Hushe
It is standby) PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) and PDSCH
The interference of (Physical Downlink Shared Channel, Physical Downlink Shared Channel) needs to realize this mode
Macro micro- carries out the interaction of ABS illustration sample and ABS resource utilization information, since under heterogeneous network, micro- station deployment quantity is more, and
It is unevenly distributed, causes interference coordination interactive information between macro station and micro- station frequent, aggravate macro station and handle load, simultaneously because different
Micro- station is sent to the interference information of macro station or ABS resource utilization has randomness in time, is easy to cause macro station more
It is excessively frequent when new ABS illustration sample, and be easy to appear mistuning or over control, it results in waste of resources, and be unable to reach final macro
Micro- interference coordination purpose causes whole net system performance to decline, can not finally embody the real advantage of heterogeneous network.
Therefore, how frequency spectrum resource is rationally and effectively utilized, reaches macro micro- interference coordination purpose, heterogeneous network is effectively reduced
In macro micro- co-channel interference, become urgent problem to be solved.
Summary of the invention
The embodiment of the present invention provides a kind of disturbance coordination method and device, to solve between macro micro-base station in the prior art into
Information exchange frequent problem when row interference coordination.
To achieve the goals above, the embodiment of the invention provides a kind of disturbance coordination methods, comprising:
Obtain the macro station interference information and micro- almost blank subframe ABS resource utilization of standing that each micro- station reports；The macro station
Interference information includes interference macro station cell ID and micro- station cell ID；
According to the macro station interference information that each micro- station reports, disturbed micro- station set of each interference macro station is determined, it is described
Each micro- station in disturbed micro- station set is by the same interference for interfering macro station；
According to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, determine each
Interfere the ABS resource utilization of macro station；
The ABS resource utilization of disturbed micro- station set of each interference macro station and/or interference macro station is sent to accordingly
Interference macro station so that respectively interference macro station determine update ABS illustration sample；
The ABS illustration sample of each interference macro station is received, and is gathered according to disturbed micro- station of each interference macro station, macro station will be interfered
ABS illustration sample is sent to each micro- station in corresponding disturbed micro- station set.
Preferably, micro- station ABS resource benefit that each micro- station in disturbed micro- station set according to each interference macro station reports
With rate, the ABS resource utilization of each interference macro station is determined, comprising:
To each interference macro station, following steps are executed:
According to each micro- station cell ID in disturbed micro- station set of the interference macro station, the micro- station ABS reported from each micro- station
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is determined in resource utilization；
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is weighted and averaged, it is macro to obtain the interference
The ABS resource utilization stood.
Preferably, the ABS resource utilization of macro station is gathered and/or is interfered at disturbed micro- station by each interference macro station
It is sent to corresponding interference macro station, comprising:
By way of sending load information and calling message, disturbed micro- station of each interference macro station is gathered, is sent to
Corresponding interference macro station；
By way of sending resource status update message, by the ABS resource utilization of the interference macro station, it is sent to phase
The interference macro station answered；
Correspondingly, the embodiment of the invention provides a kind of interference coordination devices, comprising:
Module is obtained, for obtaining the macro station interference information and micro- almost blank subframe ABS resource benefit of standing that each micro- station reports
With rate；The macro station interference information includes interference macro station cell ID and micro- station cell ID；
Determining module, the macro station interference information for being reported according to each micro- station determine the disturbed of each interference macro station
Micro- station set, interference of the disturbed micro- each micro- station stood in set by same interference macro station；
According to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, determine each
Interfere the ABS resource utilization of macro station；
Sending module, for gathering and/or interfering the ABS utilization of resources of macro station for disturbed micro- station of each interference macro station
Rate is sent to corresponding interference macro station, so that respectively interference macro station determines the ABS illustration sample updated；
Receiving module is gathered for receiving the ABS illustration sample of each interference macro station, and according to disturbed micro- station of each interference macro station,
The ABS illustration sample for interfering macro station is sent to each micro- station in corresponding disturbed micro- station set.
Preferably, the determining module is specifically used for:
To each interference macro station, following steps are executed:
According to each micro- station cell ID in disturbed micro- station set of the interference macro station, the micro- station ABS reported from each micro- station
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is determined in resource utilization；
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is weighted and averaged, it is macro to obtain the interference
The ABS resource utilization stood.
Preferably, the sending module is specifically used for:
By way of sending load information and calling message, disturbed micro- station of each interference macro station is gathered, is sent to
Corresponding interference macro station；
By way of sending resource status update message, by the ABS resource utilization of the interference macro station, it is sent to phase
The interference macro station answered；
In embodiments of the present invention, by obtaining the macro station interference information and micro- almost blank subframe of standing that each micro- station reports
ABS resource utilization；Then the macro station interference information reported according to each micro- station determines disturbed micro- station collection of each interference macro station
It closes, according to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, determines that each interference is macro
Disturbed micro- station of each interference macro station is then gathered and/or the ABS resource of interference macro station is sharp by the ABS resource utilization stood
It is sent to corresponding interference macro station with rate, so that respectively interference macro station determines the ABS illustration sample updated, finally receives each interference macro station
ABS illustration sample, and gathered according to disturbed micro- station of each interference macro station, the ABS illustration sample for interfering macro station is sent to corresponding disturbed micro-
Frequent information exchange between disturbed micro- station base station and interference macro station base station is reduced to reach, to reduce in each micro- station stood in set
The purpose for the load that interference macro station is handled in real time.
A kind of disturbance coordination method provided in an embodiment of the present invention, comprising:
Interference macro station receives the disturbed micro- station set and/or the ABS utilization of resources of the interference macro station of the interference macro station
Rate, interference of the disturbed micro- each micro- station stood in set by the interference macro station, the ABS resource utilization of the interference macro station
It is obtained according to micro- station ABS resource utilization that each micro- station in disturbed micro- station set reports；
The interference macro station collects according to the ABS resource utilization of the interference macro station or disturbed micro- station of the interference macro station
It closes, determines the used ABS number of sub frames of the interference macro station；
The interference macro station determines the ABS updated according to the used ABS number of sub frames and the downlink subframe number of free time
Pattern.
Preferably, the interference macro station determines more according to the used ABS number of sub frames and the downlink subframe number of free time
New ABS illustration sample, comprising:
According to the following formula, the ABS number of sub-frames updated is determined:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1),
NP_ABSFor used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
According to the load of the downlink subframe of the interference macro station, by the N that load is minimumABSA downlink subframe is determined as updating
ABS subframe, generate the ABS illustration sample of update.
Preferably, according to the number of sub-frames for meeting the user demand under the interference macro station, determine that the interference macro station is empty
Not busy downlink subframe number；Wherein, the number of sub-frames for meeting the user demand under the interference macro station calculates according to the following formula:
Nsf_UEIndicate the number of sub-frames for meeting the user demand under interference macro station, NRBIndicate the total resources of system bandwidth,
NRB' it is the resources requirement for meeting user's minimum resources demand under interference macro station, Nsf_ABSUnder in the ABS sub-frame configuration period
Row subframe sum.
Preferably, it is described interference macro station according to it is described interference macro station ABS resource utilization or it is described interference macro station by
Micro- station set is disturbed, determines the used ABS number of sub frames of the interference macro station:
When the interference macro station only receives disturbed micro- station set of the interference macro station, the interference macro station has made
ABS number of sub frames is zero；
When the interference macro station receives the ABS resource utilization of the interference macro station, according to the interference macro station
The ABS resource utilization of ABS illustration sample and the interference macro station determines the used ABS number of sub frames of the interference macro station.
A kind of interference coordination device provided in an embodiment of the present invention, comprising:
Receiving module, for receiving disturbed micro- station set of the interference macro station and/or the ABS resource of the interference macro station
Utilization rate, by the interference for interfering macro station, the ABS resource of the interference macro station is sharp at disturbed micro- each micro- station stood in set
It is obtained with rate according to micro- station ABS resource utilization that each micro- station in disturbed micro- station set reports；
Generation module, for according to the ABS resource utilization of the interference macro station or disturbed micro- station of the interference macro station
Set determines the used ABS number of sub frames of the interference macro station；
According to the used ABS number of sub frames and the downlink subframe number of free time, the ABS illustration sample of update is generated and sent.
Preferably, generation module is specifically used for:
According to the following formula, the ABS number of sub-frames updated is determined:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1),
NP_ABSFor used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
According to the system loading of the downlink subframe of the interference macro station, by the N that system loading is minimumABSA downlink subframe is true
It is set to the ABS subframe of update, generates and sends the ABS illustration sample of update.
Preferably, generation module is specifically used for:
According to the number of sub-frames of the user demand under the interference macro station, the downlink subframe of the interference macro station free time is determined
Number；Wherein, the number of sub-frames of the user demand under macro station is interfered to calculate according to the following formula:
Nsf_UEIndicate the number of sub-frames for meeting the user demand under interference macro station, NRBIndicate the total resources of system bandwidth,
NRB' it is the resources requirement for meeting user's minimum resources demand under interference macro station, Nsf_ABSUnder in the ABS sub-frame configuration period
Row subframe sum.
Preferably, generation module is specifically used for:
When the interference macro station only receives disturbed micro- station set of the interference macro station, the interference macro station has made
ABS number of sub frames is zero；
When the interference macro station receives the ABS resource utilization of the interference macro station, according to the interference macro station
The ABS resource utilization of ABS illustration sample and the interference macro station determines the used ABS number of sub frames of the interference macro station.
In embodiments of the present invention, gathered and/or described by the disturbed micro- station for interfering macro station to receive the interference macro station
The ABS resource utilization of macro station is interfered, the ABS resource utilization of the interference macro station is according to each in disturbed micro- station set
Micro- station ABS resource utilization that micro- station reports obtains, and then the interference macro station is according to the ABS utilization of resources for interfering macro station
Disturbed micro- station set of rate or the interference macro station, determines the used ABS number of sub frames of the interference macro station, last described dry
Macro station is disturbed according to the used ABS number of sub frames and the downlink subframe number of free time, the ABS illustration sample updated is determined, reaches reduction
Frequent information exchange between disturbed micro- station base station and interference macro station base station, to reduce the mesh for the load that interference macro station is handled in real time
, the interference macro station determines the ABS illustration sample updated according to the used ABS number of sub frames and the downlink subframe number of free time,
Frequency resource is rationally and effectively utilized, achievees the purpose that disturbed micro- station and interference macro station interference coordination, significantly reduces isomery
The co-channel interference between macro micro-base station in network.
Detailed description of the invention
Fig. 1 is a kind of disturbance coordination method flow chart provided in an embodiment of the present invention；
Fig. 2 is disturbance coordination method framework map between a kind of macro micro-base station provided in an embodiment of the present invention；
Fig. 3 is a kind of disturbance coordination method flow chart provided in an embodiment of the present invention；
Fig. 4 is the method flow diagram that a kind of interference macro station provided in an embodiment of the present invention determines the ABS illustration sample updated；
Fig. 5 is a kind of block diagram of interference coordination device provided in an embodiment of the present invention；
Fig. 6 is a kind of block diagram of interference coordination device provided in an embodiment of the present invention；
Fig. 7 is a kind of ABS illustration sample provided in an embodiment of the present invention；
Fig. 8 is a kind of ABS illustration sample provided in an embodiment of the present invention；
Fig. 9 is a kind of ABS illustration sample provided in an embodiment of the present invention.
Specific embodiment
In the embodiment of the present invention, by obtaining the macro station interference information and micro- almost blank subframe of standing that each micro- station reports
ABS resource utilization；Then the macro station interference information reported according to each micro- station determines disturbed micro- station collection of each interference macro station
It closes, according to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, determines that each interference is macro
The ABS resource utilization of macro station is gathered and/or interfered in disturbed micro- station of each interference macro station then by the ABS resource utilization stood
It is sent to corresponding interference macro station, so that respectively interference macro station determines the ABS illustration sample updated, finally receives the ABS of each interference macro station
Pattern, and gathered according to disturbed micro- station of each interference macro station, the ABS illustration sample for interfering macro station is sent to corresponding disturbed micro- station and is collected
Frequent information exchange between disturbed micro- station and interference macro station is reduced to reach, so that it is real-time to reduce interference macro station in each micro- station in conjunction
The purpose of the load of processing rationally and effectively utilizes frequency resource, achievees the purpose that disturbed micro- station and interference macro station interference coordination,
Significantly reduce the macro micro- co-channel interference in heterogeneous network.
In order to which technical problem, technical solution and beneficial effect solved by the invention is more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention is described in more detail.It should be appreciated that specific embodiment described herein is only used to
It explains the present invention, is not intended to limit the present invention.
As shown in Figure 1, being a kind of flow chart of disturbance coordination method provided in an embodiment of the present invention, comprising the following steps:
S101: the macro station interference information and micro- almost blank subframe ABS resource utilization of standing that each micro- station reports are obtained；It is described
Macro station interference information includes interference macro station cell ID and micro- station cell ID；
S102: the macro station interference information reported according to each micro- station determines disturbed micro- station set of each interference macro station；It is described
Each micro- station in disturbed micro- station set is by the same interference for interfering macro station；
According to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, determine each
Interfere the ABS resource utilization of macro station；
S103: disturbed micro- station of each interference macro station is gathered and/or the ABS resource utilization of interference macro station is sent to accordingly
Interference macro station so that respectively interference macro station determine update ABS illustration sample；
S104: the ABS illustration sample of each interference macro station is received, and is gathered according to disturbed micro- station of each interference macro station, will be interfered macro
The ABS illustration sample stood is sent to each micro- station in corresponding disturbed micro- station set.
The executing subject of step S101 to step S104 can be the either newly-increased network element of some micro- station, some macro station and sets
It is standby etc., using " micro- station interference management unit " as the executing subject of this step process when being discussed herein below.In the embodiment of the present invention not
Specific to limit " micro- station interference management unit " corresponding specific equipment, those skilled in the art can set according to practical application scene
It sets.
Due to introducing micro- station interference management unit in above-described embodiment, reduce the interaction between micro- station and macro station, and
And the macro station interference information at each micro- station is reported since micro- station interference management unit can be concentrated, it is then sent to corresponding macro station,
It also avoids the frequent ABS illustration sample of macro station to update, further reduces information exchange between macro and micro.
It is illustrated by taking micro- station interference management unit as an example below.Micro- station interference management unit is the net for managing all micro- stations
Member, micro- station interference management unit and micro- station and the macro station adjacent with micro- station establish X2 interface, and responsible each micro- station of processing reports macro
Interference information of standing or micro- station ABS resource utilization, while forwarding and handling the Signalling exchange between all micro- stations and macro station, network
Framework is as shown in disturbance coordination method framework map between the macro micro-base station of Fig. 2.
In S101, micro- station interference management unit receives the macro station interference information that each micro- station reports, and wraps in macro station interference information
Include micro- station cell ID and interference macro station cell ID.
For example, micro- station interference management unit gets two as shown in disturbance coordination method framework map between the macro micro-base station of Fig. 2
The macro station interference information that disturbed micro- station P1 and P2 is sent, wherein the macro station interference information of P1 is " { M1, M2 }+P1 ", and P2's is macro
Interference message of standing is " { M2, M3 }+P1 ", then shows that currently there are two disturbed micro- station P1 and P2 altogether, wherein P1 is interfered macro
It stands the interference of M1 and M2, P2 is interfered the interference of macro station M2 and M3, then the interference information that each micro- station reports is as shown in table 1:
The macro station interference information that each micro- station of table 1 reports
| Disturbed micro- station cell ID | Interfere macro station ID set |
| P1 | { M1, M2 } |
| P2 | { M2, M3 } |
Similarly, current one is obtained according to the macro station interference information that each micro- station reports share 3 interference macro stations, M1, M2, M3,
Wherein disturbed micro- station of M1 interference is P1, and disturbed micro- station of M2 interference is P1 and P2, and disturbed micro- station of M3 interference is P2, then each micro-
The disturbed micro- station set interfered by same interference macro station of standing is as shown in table 2:
Table 2 respectively interferes disturbed micro- station set of macro station
| Interfere macro station cell ID | Disturbed micro- station cell ID |
| M1 | {P1} |
| M2 | { P1, P2 } |
| M3 | {P2} |
Preferably, in S102, micro- station ABS resource for being reported according to each micro- station in disturbed micro- station set of each interference macro station
Utilization rate determines the ABS resource utilization of each interference macro station, including following manner:
To each interference macro station, following steps are executed:
According to each micro- station cell ID in disturbed micro- station set of the interference macro station, the micro- station ABS reported from each micro- station
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is determined in resource utilization；
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is weighted and averaged, the interference macro station is obtained
ABS resource utilization.
Specifically, micro- station interference management unit gets disturbed micro- station that disturbed micro- station P1 and P2 is reported in example as above
ABS resource utilization is 80% and 90%, then micro- station ABS resource that micro- station interference management cell processing P1 and P2 is reported respectively
The method of utilization rate is: according to respectively interfering disturbed micro- station of macro station to gather in table 2, searching respectively one-to-one with M1, M2, M3
The ABS resource benefit of macro station M1 is then interfered by disturbed micro- station of each interference macro station it is found that disturbed micro- station of M1 is P1 in disturbed micro- station
It is P1 and P2 with disturbed micro- station that rate is 80%, M2, then interfering the ABS resource utilization of macro station M2 is (80%+90%)/2=
Disturbed micro- station of 85%, M3 are P2, then interfering the ABS resource utilization of macro station M3 is 90%.
In step s 103, disturbed micro- station of each interference macro station is gathered and/or the ABS resource utilization of interference macro station is sent out
Give corresponding interference macro station；As in above-mentioned example, micro- station interference management unit has sent three to M1, M2 and M3 respectively and disappears
Breath, if not using micro- station interference management cell processing method, will lead to disturbed micro- station P1 and P2 respectively to the micro- station M1 of interference,
M2 and M3 sends 4 message；At step 104, the ABS illustration sample of each interference macro station is received, and according to the disturbed of each interference macro station
The ABS illustration sample for interfering macro station is sent to each micro- station in corresponding disturbed micro- station set by micro- station set；In such as above-mentioned example,
Micro- station interference management unit sends two message to disturbed micro- station P1 and P2 respectively, if not using at micro- station interference management unit
Reason method then will lead to interference micro- station M1, M2 and M3 and send 4 message to disturbed micro- station P1 and P2 respectively, it is seen that passes through introducing
The centralized management of micro- station interference management unit reduces frequent information exchange between disturbed micro- station and interference macro station, is further reduced dry
Disturb the load that macro station is handled in real time.
Preferably, by way of sending load information and calling LOAD INFORMATION Invoke message, by each interference
Disturbed micro- station set of macro station, is sent to the disturbed corresponding interference macro station in micro- station；By the side for sending resource status update message
Formula will interfere the ABS resource utilization of macro station, be sent to the disturbed corresponding interference macro station in micro- station；Disappeared using in the prior art
Breath carries out information transmission, further reduces Signalling exchange.
As shown in figure 3, being a kind of flow chart of disturbance coordination method provided in an embodiment of the present invention, comprising the following steps:
S301: interference macro station receives disturbed micro- station set of interference macro station and/or the ABS resource utilization of interference macro station；
Each micro- station in disturbed micro- station set is disturbed the interference of macro station, and the ABS resource utilization of macro station is interfered to be collected according to disturbed micro- station
Micro- station ABS resource utilization that each micro- station in conjunction reports obtains；
S302: interference macro station is gathered according to the ABS resource utilization of interference macro station or disturbed micro- station of interference macro station, determines
Interfere the used ABS number of sub frames of macro station；
S303: interference macro station determines the ABS illustration updated according to used ABS number of sub frames and the downlink subframe number of free time
Sample.
Preferably, when interfering macro station only to receive disturbed micro- station set of interference macro station, interfering macro station in S302
Used ABS number of sub frames is zero；
When interfering macro station to receive the ABS resource utilization of interference macro station, according to the ABS illustration sample of interference macro station and interference
The ABS resource utilization of macro station determines the used ABS number of sub frames of interference macro station.During this, practical application scene is considered
Under there may be not issuing ABS illustration sample to micro- station before interference macro station, therefore the ABS utilization of resources for interfering macro station can not be reported
Rate；Micro- station can also gather disturbed micro- station and the ABS resource utilization of interference macro station is reported to interference macro station, the present embodiment
In be all not specifically limited.
Preferably, interference macro station determines the ABS number of sub-frames updated according to formula (1) in S303:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1),
NP_ABSFor used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
According to the load of the downlink subframe of interference macro station, by the N that load is minimumABSA downlink subframe is determined as the ABS updated
Subframe generates the ABS illustration sample of update.In the process according to the used ABS number of sub frames of macro station and idle downlink subframe number,
The ABS number of sub frames for updating ABS illustration sample can be reasonably determined, guarantees the effective use of ABS subframe.Meanwhile according to macro station downlink
The load of frame determine load is low in downlink subframe subframe as ABS subframe, further in the case where guaranteeing macro station user business
While, preferable ABS subframe is provided for micro- station.
In embodiment, the load of macro station downlink subframe may include number of users, the satisfaction of high quality user, Yong Huzi
Source utilization rate etc., the load are weighted flat by the load that the period counts identical downlink subframe number in the ABS sub-frame configuration period
Obtain；It can specifically be determined by formula (2):
Nsf_UEIndicate the number of sub-frames for meeting the user demand under interference macro station, NRBIndicate the total resources of system bandwidth,
NRB' it is the resources requirement for meeting user's minimum resources demand under interference macro station, Nsf_ABSUnder in the ABS sub-frame configuration period
Row subframe sum.
In embodiment, the resources requirement for meeting user's minimum resources demand under interference macro station is indicated in ABS subframe
It configures in the period, all pairs of business have minimum guaranteed rate requirement and to time delay, rate, Block Error Rate etc. in macro station coverage area
Index has the corresponding number of sub-frames of the minimum value of resource needed for the user of high standard.In embodiment, the ABS sub-frame configuration period is association
In view in order to ascending HARQ (Hybrid Automatic Report Request, hybrid automatic repeat-request) back and forth when
Between be aligned and a cycle that is arranged, the period are related with system subframe configuration.
In the following, illustrating how interference macro station determines the ABS illustration sample of update for a specific example, as shown in Figure 4.
The case where relevant configuration of interference macro station M1, M2, M3 are all the same, i.e., system bandwidth is 20M, and sub-frame configuration is 1
Under, corresponding ABS period of sub-frame is 20ms, and downlink subframe sum is 12 in the ABS sub-frame configuration period, and system bandwidth corresponds to total
Downlink resource amount PRB number is 100.For example, when subframe is configured to 1~5, the ABS sub-frame configuration period is for TDD standard
20ms, i.e. 2 radio frames, wherein the downlink subframe sum in this 20 subframes is 12；For FDD standard, unified ABS subframe is matched
Setting the period is 40ms, i.e. 4 radio frames, wherein the downlink subframe sum in this 40 subframes is 40.
S401 determines the used ABS number of sub frames N of each interference macro station according to formula (3)P_ABS:
Nsf_ABS_oldIndicate the ABS number of sub frames in the interference current ABS illustration sample of macro station, p indicates the ABS resource benefit of interference macro station
With rate；
Such as M1, M2, M3 only receive the ABS resource utilization of interference macro station that micro- station interference management unit is sent and are respectively
80%, 85% and 90%, and the ABS number of sub frames in the current ABS illustration sample of M1, M2, M3 is respectively 4,5,6, then interferes macro station to make
ABS number of sub frames NP_ABSIt is respectively as follows:
Interfere macro station M1 by disturbed micro- used ABS number of sub frames in station are as follows:
Interfere macro station M2 by disturbed micro- used ABS number of sub frames in station are as follows:
Interfere macro station M3 by disturbed micro- used ABS number of sub frames in station are as follows:
S402, the resources requirement for meeting user's minimum resources demand under each interference macro station is determined, specifically:
There is minimum guaranteed rate requirement to business in known disturbances macro station M1 coverage area and to time delay, rate, accidentally block
The indexs such as rate have the minimum value N of resource needed for the user of high standardRB1'=30, therefore interfere macro station M1 user resources demand subframe
Number Nsf_UE1It is as follows:
There is minimum guaranteed rate requirement to business in known disturbances macro station M2 coverage area and to time delay, rate, accidentally block
The indexs such as rate have the minimum value N of resource needed for the user of high standardRB2'=50, therefore macro station M2 user resources demand number of sub-frames
Nsf_UE2It is as follows:
There is minimum guaranteed rate requirement to business in known disturbances macro station M3 coverage area and to time delay, rate, accidentally block
The indexs such as rate have the minimum value N of resource needed for the user of high standardRB3'=80, therefore macro station M3 user resources demand number of sub-frames
Nsf_UE3It is as follows:
In S403, the downlink subframe number N of each interference macro station free time is calculatedM_ABS, calculation method is as follows:
NM_ABS=Nsf_ABS-Nsf_UE
Nsf_ABSIndicate downlink subframe sum, N in the ABS sub-frame configuration periodsf_UEIt indicates to meet user's need under interference macro station
The number of sub-frames asked；
Such as:
Interfere the downlink subframe number of macro station M1 free time are as follows: NM_ABS1=Nsf_ABS-Nsf_UE1=12-4=8；
Interfere the downlink subframe number of macro station M2 free time are as follows: NM_ABS2=Nsf_ABS-Nsf_UE2=12-6=6；
Interfere the downlink subframe number of macro station M3 free time are as follows: NM_ABS3=Nsf_ABS-Nsf_UE3=12-10=2；
S404, by the downlink subframe number N of each macro station free timeM_ABSWith the interference used ABS number of sub frames N of macro stationP_ABSThe two
It is compared to obtain final ABS number of sub-frames NABS:
α indicates the loss scale factor of interference macro station, and value range is (0,1)；The value is related to interference macro station covering model
Enclosing interior have minimum guaranteed rate requirement to business and has the user performance of high standard to indexs such as time delay, rate, Block Error Rates
Damaed cordition, value configuration is excessive, causes interference with macro station and sacrifices high quality user performance excessively to exchange the high-quality of disturbed micro- station for
Measure user performance；Lead to not meet disturbed micro- station high quality user performance need conversely, the ABS subframe of interference macro station configuration is very few
It asks, for example, the value can be configured to 0.5；
For example, as α=1, all used ABS number of sub frames meets ABS at disturbed micro- station to interference macro station sacrifice
Frame demand, so that interference macro station user performance reduces；As α=0, interfere macro station by whole macro station free time downlink subframe numbers
It is allocated to disturbed micro- station, so that the ABS number of sub frames for being allocated to disturbed micro- station is very few, to be unable to satisfy disturbed micro- station user performance
Demand.
For example, the idle downlink subframe number N of interference macro station M1M_ABS1=8, which are greater than disturbed micro- station, has used interference macro station
ABS number of sub-frames NP_ABS1=4, then the ABS number of sub-frames N that M1 updatesABS1=NP_ABS1=4；
Interfere the idle downlink subframe number N of macro station M2M_ABS2=6 are greater than the ABS subframe that disturbed micro- station has used interference macro station
Number NP_ABS2=5, then the ABS number of sub-frames N that M2 updatesABS2=NP_ABS2=5；
Interfere the idle downlink subframe number N of macro station M3M_ABS3=2 are less than the ABS subframe that disturbed micro- station has used interference macro station
Number NP_ABS3=6, then the ABS number of sub frames that M3 updates are as follows:
S405, according to the load of the downlink subframe of each interference macro station, by the N that load is minimumABSA downlink subframe is determined as more
New ABS subframe generates and sends the ABS illustration sample of update.
For example, interference macro station M1 is according to the load of all downlink subframes in the ABS sub-frame configuration period according to resource utilization
The result being ranked up from low to high is 1 subframe 0 of frame, 0 subframe 0 of frame, 1 subframe 5 of frame, 0 subframe 5 of frame, 0 subframe 1 of frame, 1 subframe of frame
6,1 subframe 1 of frame, 1 subframe 9 of frame, 0 subframe 9 of frame, 0 subframe 4 of frame, 0 subframe 6 of frame, 1 subframe 4 of frame choose the ABS subframe for meeting and updating
The subframe that number is 4 is 0 subframe 0 of frame, 0 subframe 5 of frame, 1 subframe 0 of frame, 1 subframe 5 of frame as ABS subframe, obtains and sends update
ABS illustration sample it is as shown in Figure 7.
The knot that interference macro station M2 is ranked up from low to high according to the load of all downlink subframes in the ABS sub-frame configuration period
Fruit be 0 subframe 9 of frame, 1 subframe 0 of frame, 0 subframe 5 of frame, 1 subframe 5 of frame, 1 subframe 1 of frame, 0 subframe 1 of frame, 1 subframe 6 of frame, 1 subframe 9 of frame,
0 subframe 4 of frame, 0 subframe 0 of frame, 0 subframe 5 of frame, 0 subframe 6 of frame, 1 subframe 4 of frame choose the son that the ABS number of sub-frames for meeting and updating is 5
Frame is 0 subframe 9 of frame, 1 subframe 0 of frame, 0 subframe 5 of frame, 1 subframe 5 of frame, 1 subframe 1 of frame as ABS subframe, obtains and sends update
ABS illustration sample is as shown in Figure 8.
The knot that interference macro station M3 is ranked up from low to high according to the load of all downlink subframes in the ABS sub-frame configuration period
Fruit be 0 subframe 6 of frame, 0 subframe 0 of frame, 1 subframe 0 of frame, 0 subframe 5 of frame, 1 subframe 5 of frame, 1 subframe 1 of frame, 0 subframe 1 of frame, 1 subframe 6 of frame,
1 subframe 9 of frame, 0 subframe 4 of frame, 0 subframe 9 of frame, 0 subframe 5 of frame, 1 subframe 4 of frame choose the son that the ABS number of sub-frames for meeting and updating is 4
Frame is 0 subframe 6 of frame, 0 subframe 0 of frame, 1 subframe 0 of frame as ABS subframe, obtains and the ABS illustration sample for sending update is as shown in Figure 9.
It should be noted that the method for the ABS illustration sample that the above-mentioned generation of the embodiment of the present invention updates is merely illustrative, and
It is not limited to above-mentioned generation method, other can make the method for interfering macro station to generate ABS illustration sample be all suitable for the embodiment of the present invention.
Micro- station interference management unit receives the ABS illustration sample for the update that interference macro station M1, M2, M3 are sent, macro according to each interference
The disturbed micro- station set stood searches all micro- station cells in disturbed micro- station set corresponding with interference macro station M1, M2, M3 respectively
ID, from disturbed micro- station set of each interference macro station of table 2 it is found that disturbed micro- station set of cell IDs that M1 is interfered is { P1 }, then micro- station
The ABS illustration sample updated from M1 is sent to P1 by interference management unit, disturbed micro- station set of cell IDs of M2 interference be P1,
P2 }, then the ABS illustration sample that micro- station interference management unit will be updated from M2 is sent to P2, disturbed micro- station cell ID collection of M3 interference
Conjunction is { P3 }, then the ABS illustration sample that micro- station interference management unit will be updated from M3 is sent to P3.
Based on the same technical idea, the embodiment of the present invention also provides a kind of interference coordination device, on the device is executable
State embodiment of the method.A kind of block diagram of interference coordination device provided in an embodiment of the present invention is as shown in Figure 5.
A kind of interference coordination device provided in an embodiment of the present invention, the device include:
Module 501 is obtained, for obtaining the macro station interference information and micro- almost blank subframe ABS resource of standing that each micro- station reports
Utilization rate；Macro station interference information includes interference macro station cell ID and micro- station cell ID；
Determining module 502, the macro station interference information for being reported according to each micro- station determine the disturbed micro- of each interference macro station
It stands set, interference of each micro- station in disturbed micro- station set by same interference macro station；
According to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, determine each
Interfere the ABS resource utilization of macro station；
Sending module 503, for gathering and/or interfering the ABS utilization of resources of macro station for disturbed micro- station of each interference macro station
Rate is sent to corresponding interference macro station, so that respectively interference macro station determines the ABS illustration sample updated；
First receiving module 504, for receiving the ABS illustration sample of each interference macro station, and according to the disturbed micro- of each interference macro station
It stands set, the ABS illustration sample for interfering macro station is sent to each micro- station in corresponding disturbed micro- station set.
Preferably, determining module is specifically used for:
To each interference macro station, following steps are executed:
According to each micro- station cell ID in disturbed micro- station set of the interference macro station, the micro- station ABS reported from each micro- station
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is determined in resource utilization；
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is weighted and averaged, it is macro to obtain the interference
The ABS resource utilization stood.
Preferably, sending module is specifically used for:
Send load information call LOAD INFORMATION Invoke message by way of, by it is described respectively interfere it is macro
The disturbed micro- station set stood, is sent to corresponding interference macro station；
By way of sending resource status update message, the ABS resource utilization of macro station will be interfered, is sent to corresponding
Interfere macro station.
Based on the same technical idea, the embodiment of the present invention also provides a kind of interference coordination device, on the device is executable
State embodiment of the method.A kind of block diagram of interference coordination device provided in an embodiment of the present invention is as shown in Figure 6.
A kind of interference coordination device provided in an embodiment of the present invention, the device include:
Second receiving module 601, for receiving disturbed micro- station set of interference macro station and/or the ABS resource of interference macro station
Utilization rate, it is disturbed it is micro- station set in it is each it is micro- station by it is described interference macro station interference, interfere the ABS resource utilization of macro station according to
Micro- station ABS resource utilization that each micro- station in disturbed micro- station set reports obtains；
Generation module 602, for being gathered according to the ABS resource utilization of interference macro station or disturbed micro- station of interference macro station,
Determine the used ABS number of sub frames of interference macro station；
According to used ABS number of sub frames and the downlink subframe number of free time, the ABS illustration sample of update is generated and sent.
Preferably, generation module is specifically used for:
According to the following formula, the ABS number of sub-frames updated is determined:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1),
NP_ABSFor used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
According to the load of the downlink subframe of interference macro station, by the N that load is minimumABSA downlink subframe is determined as the ABS updated
Subframe generates and sends the ABS illustration sample of update.
Preferably, generation module is specifically used for:
According to the number of sub-frames of the user demand under interference macro station, the downlink subframe number of interference macro station free time is determined；Wherein,
The number of sub-frames of user demand calculates according to the following formula:
Nsf_UEIndicate the number of sub-frames for meeting the user demand under interference macro station, NRBIndicate the total resources of system bandwidth,
NRB' it is the resources requirement for meeting user's minimum resources demand under interference macro station, Nsf_ABSUnder in the ABS sub-frame configuration period
Row subframe sum.
Preferably, generation module is specifically used for:
When interfering macro station only to receive disturbed micro- station set of the interference macro station, the used ABS of macro station is interfered
Number of sub frames is zero；
When interfering macro station to receive the ABS resource utilization of interference macro station, according to the ABS illustration sample of interference macro station and interference
The ABS resource utilization of macro station determines the used ABS number of sub frames of interference macro station.
In the embodiment of the present invention, by obtaining the macro station interference information and micro- almost blank subframe of standing that each micro- station reports
ABS resource utilization；Then the macro station interference information reported according to each micro- station determines disturbed micro- station collection of each interference macro station
It closes, according to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, determines that each interference is macro
The ABS resource utilization of macro station is gathered and/or interfered in disturbed micro- station of each interference macro station then by the ABS resource utilization stood
It is sent to corresponding interference macro station, so that respectively interference macro station determines the ABS illustration sample updated, finally receives the ABS of each interference macro station
Pattern, and gathered according to disturbed micro- station of each interference macro station, the ABS illustration sample for interfering macro station is sent to corresponding disturbed micro- station and is collected
Frequent information exchange between disturbed micro- station and interference macro station is reduced to reach, so that it is real-time to reduce interference macro station in each micro- station in conjunction
The purpose of the load of processing rationally and effectively utilizes frequency resource, achievees the purpose that interference coordination between macro micro-base station, effectively drop
Macro micro- co-channel interference in low heterogeneous network.
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 (12)
1. a kind of disturbance coordination method, which is characterized in that this method comprises:
Interference coordination equipment obtains micro- station interference information that each micro- station reports and micro- station almost blank subframe ABS resource utilization；
The interference information includes interference macro station cell ID and micro- station cell ID；
Micro- station interference information that the interference coordination equipment is reported according to each micro- station determines the disturbed micro- of each interference macro station
It stands set, interference of each micro- station in disturbed micro- station set by same interference macro station；
Micro- station ABS resource benefit that the interference coordination equipment is reported according to each micro- station in disturbed micro- station set of each interference macro station
With rate, the ABS resource utilization of each interference macro station is determined；
The ABS utilization of resources of macro station is gathered and/or interfered in disturbed micro- station of each interference macro station by the interference coordination equipment
Rate is sent to corresponding interference macro station, so that respectively interference macro station is gathered according to the ABS resource utilization or disturbed micro- station of itself, really
Fixed used ABS number of sub frames, according to the used ABS number of sub frames and idle downlink subframe number, by following formula,
The ABS number of sub-frames updated is determined, according to the load of the downlink subframe of itself, by the N that system loading is minimumABSA downlink subframe
It is determined as the ABS subframe updated, generates the ABS illustration sample of update:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1), NSPBA_For
Used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
The interference coordination equipment receives the ABS illustration sample of each interference macro station, and is gathered according to disturbed micro- station of each interference macro station, will
The ABS illustration sample of interference macro station is sent to each micro- station in corresponding disturbed micro- station set.
2. the method as described in claim 1, which is characterized in that according to each micro- station in disturbed micro- station set of each interference macro station
The micro- station ABS resource utilization reported determines the ABS resource utilization of each interference macro station, comprising:
To each interference macro station, following steps are executed:
According to each micro- station cell ID in disturbed micro- station set of the interference macro station, the micro- station ABS resource reported from each micro- station
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is determined in utilization rate；
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is weighted and averaged, the interference macro station is obtained
ABS resource utilization.
3. the method as described in claim 1, which is characterized in that the disturbed micro- station set by each interference macro station with/
Or the ABS resource utilization of interference macro station is sent to corresponding interference macro station, comprising:
By way of sending load information and calling LOAD INFORMATION (Invoke) message, by each interference macro station
Disturbed micro- station set is sent to the disturbed corresponding interference macro station in micro- station；
By way of sending resource status update message, the ABS resource utilization of the interference macro station is sent to disturbed micro-
It stands and interferes macro station accordingly.
4. a kind of disturbance coordination method, which is characterized in that this method comprises:
Interference macro station receives the disturbed micro- station set and/or the interference for the interference macro station that the interference coordination equipment is sent
The ABS resource utilization of macro station, by the interference for interfering macro station, the interference is macro at disturbed micro- each micro- station stood in set
The ABS resource utilization stood is obtained according to micro- station ABS resource utilization that each micro- station in disturbed micro- station set reports；
The interference macro station is gathered according to the ABS resource utilization of the interference macro station or disturbed micro- station of the interference macro station,
Determine the used ABS number of sub frames of the interference macro station；
The interference macro station determines the ABS illustration updated according to the used ABS number of sub frames and the downlink subframe number of free time
Sample, and it is sent to the interference coordination equipment；Wherein, the interference macro station is according to the used ABS number of sub frames and free time
Downlink subframe number, determine update ABS illustration sample, comprising:
According to the following formula, the ABS number of sub-frames updated is determined:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1), NSPBA_For
Used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
According to the load of the downlink subframe of the interference macro station, by the N that system loading is minimumABSA downlink subframe is determined as updating
ABS subframe, generate the ABS illustration sample of update.
5. method as claimed in claim 4, which is characterized in that according to the subframe of the user demand under the interference macro station
Number determines the downlink subframe number of the interference macro station free time；Wherein, the number of sub-frames of user demand calculates according to the following formula:
Nsf_UEIndicate the number of sub-frames for meeting the user demand under interference macro station, NRBIndicate the total resources of system bandwidth, NRB' be
Meet the resources requirement of user's minimum resources demand under interference macro station, Nsf_ABSFor downlink subframe in the ABS sub-frame configuration period
Sum.
6. method as claimed in claim 4, which is characterized in that the interference macro station is according to the ABS resource for interfering macro station
Disturbed micro- station set of utilization rate or the interference macro station, determines the used ABS number of sub frames of the interference macro station:
It is described to interfere the used of macro station when the interference macro station only receives disturbed micro- station set of the interference macro station
ABS number of sub frames is zero；
When the interference macro station receives the ABS resource utilization of the interference macro station, according to the ABS illustration of the interference macro station
The ABS resource utilization of sample and the interference macro station determines the used ABS number of sub frames of the interference macro station.
7. a kind of interference coordination device, which is characterized in that the device includes:
Module is obtained, for obtaining the micro- station interference information and micro- almost blank subframe ABS resource utilization of standing that each micro- station reports；
The interference information includes interference macro station cell ID and micro- station cell ID；
Determining module, micro- station interference information for being reported according to each micro- station determine disturbed micro- station of each interference macro station
Set, interference of the disturbed micro- each micro- station stood in set by same interference macro station；
According to micro- station ABS resource utilization that each micro- station in disturbed micro- station set of each interference macro station reports, each interference is determined
The ABS resource utilization of macro station；
Sending module, for gathering and/or the ABS resource utilization of macro station being interfered to send out disturbed micro- station of each interference macro station
Corresponding interference macro station is given, so that respectively interference macro station is gathered according to the ABS resource utilization or disturbed micro- station of itself, is determined
The ABS number of sub frames used is determined according to the used ABS number of sub frames and idle downlink subframe number by following formula
The ABS number of sub-frames of update, according to the load of the downlink subframe of itself, by the N that system loading is minimumABSA downlink subframe determines
For the ABS subframe of update, the ABS illustration sample of update is generated:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1), NSPBA_For
Used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
Receiving module is gathered for receiving the ABS illustration sample of each interference macro station, and according to disturbed micro- station of each interference macro station, will be done
The ABS illustration sample for disturbing macro station is sent to corresponding disturbed micro- each micro- station stood in set.
8. device as claimed in claim 7, which is characterized in that determining module is specifically used for:
To each interference macro station, following steps are executed:
According to each micro- station cell ID in disturbed micro- station set of the interference macro station, the micro- station ABS resource reported from each micro- station
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is determined in utilization rate；
Micro- station ABS resource utilization at the micro- station interfered by the interference macro station is weighted and averaged, the interference macro station is obtained
ABS resource utilization.
9. device as claimed in claim 7, which is characterized in that sending module is specifically used for:
By way of sending load information and calling LOAD INFORMATION (Invoke) message, by each interference macro station
Disturbed micro- station set is sent to the disturbed corresponding interference macro station in micro- station；
By way of sending resource status update message, the ABS resource utilization of the interference macro station is sent to disturbed micro-
It stands and interferes macro station accordingly.
10. a kind of interference coordination device, which is characterized in that the device includes:
Receiving module, for receiving the disturbed micro- station set of the interference macro station of interference coordination equipment transmission and/or described doing
The ABS resource utilization of macro station is disturbed, interference of each micro- station by the interference macro station in disturbed micro- station set, the interference
The ABS resource utilization of macro station is obtained according to micro- station ABS resource utilization that each micro- station in disturbed micro- station set reports；
Generation module, for being gathered according to the ABS resource utilization of the interference macro station or disturbed micro- station of the interference macro station,
Determine the used ABS number of sub frames of the interference macro station；
According to the used ABS number of sub frames and the downlink subframe number of free time, generates and sent to the interference coordination equipment
The ABS illustration sample of update；Wherein, the generation module is specifically used for:
According to the following formula, the ABS number of sub-frames updated is determined:
Wherein, NABSFor the ABS number of sub-frames of update, α is the loss scale factor of macro station, and value range is (0,1), NSPBA_For
Used ABS number of sub frames, NM_ABSFor the downlink subframe number for interfering the macro station free time；
According to the load of the downlink subframe of the interference macro station, by the N that system loading is minimumABSA downlink subframe is determined as updating
ABS subframe, generate the ABS illustration sample of update.
11. device as claimed in claim 10, which is characterized in that generation module is specifically used for:
According to the number of sub-frames of the user demand under the interference macro station, the downlink subframe number of the interference macro station free time is determined；
Wherein, the number of sub-frames of user demand calculates according to the following formula:
Nsf_UEIndicate the number of sub-frames for meeting the user demand under interference macro station, NRBIndicate the total resources of system bandwidth, NRB' be
Meet the resources requirement of user's minimum resources demand under interference macro station, Nsf_ABSFor downlink subframe in the ABS sub-frame configuration period
Sum.
12. device as claimed in claim 10, which is characterized in that generation module is specifically used for:
It is described to interfere the used of macro station when the interference macro station only receives disturbed micro- station set of the interference macro station
ABS number of sub frames is zero；
When the interference macro station receives the ABS resource utilization of the interference macro station, according to the ABS illustration of the interference macro station
The ABS resource utilization of sample and the interference macro station determines the used ABS number of sub frames of the interference macro station.
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| CN107404765B (en) * | 2016-05-20 | 2019-12-03 | 展讯通信（上海）有限公司 | Disturbance coordination method and system |
| 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 |
| CN106332293A (en) * | 2016-10-25 | 2017-01-11 | 中国联合网络通信集团有限公司 | Scheduling method based on macro-micro synergy and communication network system |
| CN108811065B (en) * | 2018-05-28 | 2021-06-22 | 京信通信系统（中国）有限公司 | Method and device for adjusting transmission power of almost blank subframe and computer equipment |
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| CN103313312A (en) * | 2012-03-07 | 2013-09-18 | 中兴通讯股份有限公司 | Method, device and system for configuring heterogeneous network ABS |
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| JP5861477B2 (en) * | 2012-01-31 | 2016-02-16 | 住友電気工業株式会社 | Communication system, base station apparatus, and blank section setting method |
| CN103888956B (en) * | 2012-12-19 | 2019-01-25 | 中兴通讯股份有限公司 | The processing method and system of configuration information |
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| CN103313312A (en) * | 2012-03-07 | 2013-09-18 | 中兴通讯股份有限公司 | Method, device and system for configuring heterogeneous network ABS |
| CN103781125A (en) * | 2012-10-24 | 2014-05-07 | 普天信息技术研究院有限公司 | Method for adjusting uplink and downlink subframe configuration in heterogeneous network |
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