CN104080183A - Interference coordination method and device in heterogeneous network - Google Patents
Interference coordination method and device in heterogeneous network Download PDFInfo
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Abstract
The embodiment of the invention discloses an interference coordination method and device in a heterogeneous network. The method comprises the steps that a first base station obtains almost blank subframe modes of two or more second base stations to obtain a first subframe set; subframes in the first subframe set are indicated as almost blank subframes by the second base stations; users to be dispatched are classified to obtain at least a first user group according to the interference degree of the users to be dispatched, and dispatching priorities are distributed to the users, in the first user group, to be dispatched; on the subframes in the first subframe set, the users, in the first user group, to be dispatched are dispatched according to the dispatching priorities. According to the interference coordination method and device, the almost blank subframe modes of the second base stations can be reasonably utilized and received, interference to the cell range extension users from the second base stations can be effectively reduced, the utilization rate of the spectrum resource is increased, and the throughput of a whole network is increased.
Description
Technical field
The present invention relates to communication technical field, relate in particular to disturbance coordination method and device in a kind of heterogeneous network.
Background technology
In existing research, in Long Term Evolution (Long Term Evolution, LTE) wireless communication system, introduce heterogeneous network.Heterogeneous network refers in same community can dispose macro base station and low power base station simultaneously, and wherein low power base station is for the hot spot region of coverage cell, indoor, blind spot region or cell edge, and to promote, community is average, Cell Edge User throughput etc.In heterogeneous network, in order to improve as much as possible the availability of frequency spectrum of system, macro base station and low power base station can configure identical frequency spectrum resource conventionally, and this has just caused can producing phase mutual interference between macro base station and low power base station.In the deployment of macrocell (macro cell) and picocell (pico cell), be disturbed more serious user distribution in cell extension region (Cell Range Extension, CRE), user C and user D as shown in Figure 1, thereby cause its poor-performing, further affected the throughput of system.
Available technology adopting time domain enhancement mode interference coordination technique (Enhanced Inter-Cell Interference Coordination, eICIC) solve the interference problem in heterogeneous network, conventionally use almost blank subframe (Almost Blank Subframe, ABS).ABS mainly refers to that macro base station sends Physical Downlink Control Channel and downstream data channel is almost empty subframe, and to reduce the descending interference to Microcell user, micro-base station is dispatched and is disturbed more serious user in corresponding ABS subframe.As shown in Figure 2, CRE user C and user D are dispatched in micro-base station in ABS subframe corresponding to macro base station, dispatch central user E and the user F of micro-base station in non-ABS subframe.
In the time of the overlay area of a micro-base station in multiple macro base stations, this micro-base station can receive the ABS subframe pattern that multiple macro base stations send simultaneously.In heterogeneous network as shown in Figure 3, micro-base station can receive the ABS subframe pattern that two macro base stations send simultaneously.Because ABS subframe pattern determines by each macro base station is autonomous, each ABS subframe pattern is probably not identical.Micro-base station obtains after each ABS subframe pattern, is only to dispatch CRE user in available ABS subframe at the common factor of each ABS subframe pattern, has caused the waste of frequency spectrum resource.
Summary of the invention
The invention provides according to the disturbance coordination method in a kind of heterogeneous network and device, obtain after the almost blank ABS subframe pattern of at least two the second base stations in order to solve the first base station in prior art, only in the subframe that is designated as ABS subframe by all base stations of described at least two the second base stations, dispatch CRE user, caused the technical problem of frequency spectrum resource waste.
The embodiment of the present invention provides the disturbance coordination method in a kind of heterogeneous network, comprising:
The first base station obtains the almost blank ABS subframe pattern of at least two the second base stations;
Classify and obtain at least the first subframe set subframe according to the ABS subframe pattern getting in described the first base station, the subframe in described the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations;
Described the first base station treats that dispatched users is classified and obtains at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and is that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group;
In the subframe of described the first base station in described the first subframe set, dispatch the dispatched users for the treatment of in described first user group according to the described dispatching priority for the treatment of dispatched users.
Preferably, described the first base station is treated that dispatched users is classified and is obtained at least first user group described according to the degree that is disturbed for the treatment of dispatched users, comprising:
Described the first base station is according to Signal to Interference plus Noise Ratio (the Signal to Interference plus Noise Ratio that treats dispatched users, SINR) treat that dispatched users is classified and obtain described first user group described, the SINR that treats dispatched users in described first user group is not higher than setting threshold;
Described is that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group, comprising:
For the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution of the non-voice service type in described first user group, higher than the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution for speech business type.
Preferably, described the first base station also obtains the second subframe set when subframe classification according to the ABS subframe pattern getting, and the subframe in described the second subframe set is designated as ABS subframe by all base stations in described at least two the second base stations;
Described method also comprises:
For the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution of the speech business type in described first user group, higher than the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution for non-voice service type.
Preferably, described the first base station also obtains the 3rd subframe set when subframe classification according to the ABS subframe pattern getting, and the subframe in described the 3rd subframe set is not all designated as ABS subframe by the base station in described at least two the second base stations;
Described the first base station according to until the SINR of dispatched users to the described second user's group that also obtains in the time that dispatched users is classified, the SINR that treats dispatched users in described second user's group is higher than described setting threshold;
Described method also comprises:
In the subframe of described the first base station in described the 3rd subframe set, dispatch the dispatched users for the treatment of in described second user's group.
Preferably, described the first Wei Wei base station, base station, described the second base station is macro base station.
A kind of base station that the embodiment of the present invention provides, comprising:
Acquisition module, for obtaining the almost blank ABS subframe pattern of at least two the second base stations;
Subframe sort module, for subframe being classified and obtained at least the first subframe set according to the ABS subframe pattern getting, the subframe in described the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations;
User's sort module, treat that dispatched users is classified and obtain at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and be that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group;
Scheduler module, for the subframe in described the first subframe set, dispatches the dispatched users for the treatment of in described first user group according to the described dispatching priority for the treatment of dispatched users.
Preferably, described user's sort module also for:
Treat that dispatched users is classified and obtain described first user group described according to the Signal to Interference plus Noise Ratio SINR that treats dispatched users, the SINR that treats dispatched users in described first user group is not higher than setting threshold;
For the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution of the non-voice service type in described first user group, higher than the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution for speech business type.
Preferably, described subframe sort module also for:
When subframe classification according to the ABS subframe pattern getting, also obtain the second subframe set, the subframe in described the second subframe set is designated as ABS subframe by all base stations in described at least two the second base stations;
Described user's sort module also for:
For the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution of the speech business type in described first user group, higher than the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution for non-voice service type.
Preferably, described subframe sort module also for:
When subframe classification according to the ABS subframe pattern getting, also obtain the 3rd subframe set, the subframe in described the 3rd subframe set is not all designated as ABS subframe by the base station in described at least two the second base stations;
Described user's sort module also for:
According to until the SINR of dispatched users to the described second user's group that also obtains in the time that dispatched users is classified, the SINR that treats dispatched users in described second user's group is higher than described setting threshold;
Described scheduler module also for:
In subframe in described the 3rd subframe set, dispatch the dispatched users for the treatment of in described second user's group.
Preferably, Wei Wei base station, described base station, described the second base station is macro base station.
The embodiment of the present invention is obtained after the almost blank ABS subframe pattern of at least two the second base stations by the first base station, obtains the first subframe set; Subframe in the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations; Treat that dispatched users is classified and obtain at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and for treating dispatched users allocation schedule priority in described first user group; In subframe in described the first subframe set, dispatch the dispatched users for the treatment of in described first user group according to dispatching priority.The embodiment of the present invention can rationally be utilized the ABS subframe pattern that receives at least two the second base stations, when effectively disturb CRE user reduction the second base station, improves the utilance of frequency spectrum resource, and then improves the throughput of whole net.
Brief description of the drawings
Fig. 1 is heterogeneous network networking scene schematic diagram;
Fig. 2 is eICIC algorithm time domain scheduling mode schematic diagram in prior art;
Fig. 3 is the interference scene schematic diagram that in heterogeneous network, micro-base station is subject to multiple macro base stations;
Fig. 4 is the disturbance coordination method flow chart in a kind of heterogeneous network of the embodiment of the present invention;
Fig. 5 is a kind of base station schematic diagram of the embodiment of the present invention.
Embodiment
The embodiment of the present invention is obtained after the almost blank ABS subframe pattern of at least two the second base stations by the first base station, obtains the first subframe set; Subframe in the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations; Treat that dispatched users is classified and obtain at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and for treating dispatched users allocation schedule priority in described first user group; In subframe in described the first subframe set, dispatch the dispatched users for the treatment of in described first user group according to dispatching priority.The embodiment of the present invention can rationally be utilized the ABS subframe pattern that receives at least two the second base stations, when effectively disturb CRE user reduction the second base station, improves the utilance of frequency spectrum resource, and then improves the throughput of whole net.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 1, this networking scene comprises macro base station and micro-base station to the applicable heterogeneous network networking scene of the embodiment of the present invention, and user A and user B are macro base station central user, and user E and user F are micro-base station center user, and user C and user D are CRE user.CRE is mainly the load in order to alleviate macro base station, uses after CRE, and user judges that the concrete grammar of access macrocell or picocell is: at the signal RSRP from picocell
picoa side-play amount of upper increase (bias), bias is positive number, and is configured by upper layer device under normal circumstances.At RSRP
picoafter upper increase bias, with the signal strength signal intensity RSRP from macrocell
macrorelatively, if RSRP
pico+ bias>=RSRP
macro, user selects to access picocell; Otherwise user selects to access macrocell.
Fig. 2 is eICIC algorithm time domain scheduling mode schematic diagram in prior art, for the ABS subframe pattern of macro base station, when macro base station send be ABS subframe time, micro-base station is in corresponding ABS subframe,, in subframe 4, dispatches CRE user C and user D; In subframe 0, subframe 5 and subframe 9, dispatch central user E and user F.
Fig. 3 is the interference scene schematic diagram that in heterogeneous network, micro-base station is subject to multiple macro base stations, and the micro-base station shown in figure can receive the ABS subframe pattern that macro base station 1 and macro base station 2 send simultaneously.
The corresponding schematic flow sheet of disturbance coordination method in a kind of heterogeneous network that Fig. 4 provides for the embodiment of the present invention, this determines that the method for video similarity mainly comprises the steps that 401 to step 404:
Step 401, the first base station obtains the almost blank ABS subframe pattern of at least two the second base stations;
Step 402, classify and obtain at least the first subframe set subframe according to the ABS subframe pattern getting in described the first base station, and the subframe in described the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations;
Step 403, described the first base station treats that dispatched users is classified and obtains at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and is that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group;
Step 404, in the subframe of described the first base station in described the first subframe set, dispatches the dispatched users for the treatment of in described first user group according to the described dispatching priority for the treatment of dispatched users.
The first base station described in the embodiment of the present invention can be micro-base station, and the second base station can be macro base station.Be described as macro base station as example taking the first Wei Wei base station, base station, the second base station below.
In step 401, micro-base station obtains the ABS subframe pattern of at least two macro base stations; In step 402, classify and obtain at least the first subframe set subframe according to the ABS subframe pattern getting in described micro-base station, and the subframe in described the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations.For example, in the time that micro-base station obtains the ABS subframe pattern of two macro base stations, the subframe in the first subframe set obtaining is designated as ABS subframe by any base station in two macro base stations; In the time that micro-base station obtains the ABS subframe pattern of three macro base stations, the subframe in the first subframe set obtaining is designated as ABS subframe by any or any two base stations in three macro base stations; In step 403, micro-base station is treated that dispatched users is classified and is obtained described according to the degree that is disturbed for the treatment of dispatched users in its coverage
At least first user group, and be that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group; In step 404, in the subframe of micro-base station in described the first subframe set, dispatch the dispatched users for the treatment of in described first user group according to the described dispatching priority for the treatment of dispatched users.
Preferably, in step 403, described the first base station is treated that dispatched users is classified and is obtained at least first user group described according to the degree that is disturbed for the treatment of dispatched users, comprise: described the first base station treats that dispatched users is classified and obtain described first user group described according to the SINR that treats dispatched users, the SINR that treats dispatched users in described first user group is not higher than setting threshold; Described is that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group, comprise: be the non-voice service type in described first user group treat dispatched users distribute the subframe in described the first subframe set on dispatching priority, higher than for speech business type treat dispatched users distribute the subframe in described the first subframe set on dispatching priority.
Concrete, when until the SINR of dispatched users during not higher than setting threshold, this is treated to dispatched users judges in first user group.In the subframe of micro-base station in the first subframe set, the non-voice service type in priority scheduling first user group treat dispatched users, secondly the speech business type in scheduling first user group treat dispatched users.
Preferably, in step 402, described the first base station also obtains the second subframe set when subframe classification according to the ABS subframe pattern getting, and the subframe in described the second subframe set is designated as ABS subframe by all base stations in described at least two the second base stations; Correspondingly, in step 403, for the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution of the speech business type in described first user group, higher than the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution for non-voice service type.
Concrete, in the time that micro-base station obtains the ABS subframe pattern of two macro base stations, the subframe in the second subframe set obtaining is all designated as ABS subframe by two macro base stations; In the time that micro-base station obtains the ABS subframe pattern of three macro base stations, the subframe in the second subframe set obtaining is all designated as ABS subframe by three macro base stations.In the subframe of micro-base station in the second subframe set, the speech business type in priority scheduling first user group treat dispatched users, secondly the non-voice service type in scheduling first user group treat dispatched users.
Preferably, in step 402, described the first base station also obtains the 3rd subframe set when subframe classification according to the ABS subframe pattern getting, and the subframe in described the 3rd subframe set is not all designated as ABS subframe by the base station in described at least two the second base stations; In step 403, described the first base station according to until the SINR of dispatched users to the described second user's group that also obtains in the time that dispatched users is classified, the SINR that treats dispatched users in described second user's group is higher than described setting threshold; Correspondingly, in step 404, in the subframe of described the first base station in described the 3rd subframe set, dispatch the dispatched users for the treatment of in described second user's group.
Concrete, when until the SINR of dispatched users during higher than setting threshold, this is treated to dispatched users judges in second user's group.In the time that micro-base station obtains the ABS subframe pattern of two macro base stations, the subframe in the 3rd subframe set obtaining is not all designated as ABS subframe by two macro base stations; In the time that micro-base station obtains the ABS subframe pattern of three macro base stations, the subframe in the 3rd subframe set obtaining is not all designated as ABS subframe by three macro base stations.In the subframe of micro-base station in the 3rd subframe set, dispatch the dispatched users for the treatment of in second user's group.
In order more clearly to understand the embodiment of the present invention, get scheduling flow after the ABS subframe pattern of two macro base stations below taking a micro-base station and describe as example.
Taking up-downgoing proportioning 2 as example, micro-base station obtains the ABS subframe pattern of macro base station 1 and macro base station 2, the ABS subframe pattern of supposing macro base station 1 is 0000100001, the ABS subframe pattern of macro base station 2 is 1000100001, micro-base station is according to two ABS subframe patterns, subframe is classified, obtain the first subframe set, the second subframe set and the 3rd subframe set.Subframe in the first subframe set is designated as ABS subframe by any in macro base station 1 and macro base station 2, subframe in the second subframe set is all designated as ABS subframe by macro base station 1 and macro base station 2, and the subframe in the 3rd subframe set is not all designated as ABS subframe by macro base station 1 and macro base station 2.Therefore the subframe in the first subframe set is that the subframe in subframe 0, the second subframe set is that the subframe of subframe 4 and subframe 9, the three subframe set is subframe 1, subframe 3, subframe 5, subframe 6 and subframe 8.
Micro-base station treats that to described dispatched users classifies according to the SINR that treats dispatched users in its coverage, obtains described first user group and second user's group.The SINR that treats dispatched users in described first user group is not higher than setting threshold; The SINR that treats dispatched users of described second user's group is higher than setting threshold.Described threshold value is set according to concrete scene.
Micro-base station according to the type of service for the treatment of dispatched users in first user group be in described first user group treat that dispatched users is distributed in the subframe in described the first subframe set and described the second subframe set in subframe on dispatching priority, be specially: be the non-voice service type in described first user group treat dispatched users distribute the subframe in described the first subframe set on dispatching priority, higher than for speech business type treat dispatched users distribute the subframe in described the first subframe set on dispatching priority; For the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution of the speech business type in described first user group, higher than the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution for non-voice service type.In the subframe of micro-base station in described the 3rd subframe set, dispatch the dispatched users for the treatment of in described second user's group.
That is to say, in the subframe 0 of micro-base station in the first subframe set, the non-voice service type in priority scheduling first user group treat dispatched users, secondly the speech business type in scheduling first user group treat dispatched users; In subframe 4 and subframe 9 in the second subframe set, the speech business type in priority scheduling first user group treat dispatched users, secondly the non-voice service type in scheduling first user group treat dispatched users; In subframe 1, subframe 3, subframe 5, subframe 6 and subframe 8 in the 3rd subframe set, dispatch the dispatched users for the treatment of in second user's group.
For said method flow process, the embodiment of the present invention also provides a kind of base station, and the particular content of this base station can be implemented with reference to said method, does not repeat them here.
A kind of base station that the embodiment of the present invention provides, shown in Figure 5.The base station that the embodiment of the present invention provides comprises:
Acquisition module 501, for obtaining the almost blank ABS subframe pattern of at least two the second base stations;
Subframe sort module 502, for subframe being classified and obtained at least the first subframe set according to the ABS subframe pattern getting, the subframe in described the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations;
User's sort module 503, treat that dispatched users is classified and obtain at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and be that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group;
Scheduler module 504, for the subframe in described the first subframe set, dispatches the dispatched users for the treatment of in described first user group according to the described dispatching priority for the treatment of dispatched users.
Preferably, described user's sort module 503 also for:
Treat that dispatched users is classified and obtain described first user group described according to the Signal to Interference plus Noise Ratio SINR that treats dispatched users, the SINR that treats dispatched users in described first user group is not higher than setting threshold;
For the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution of the non-voice service type in described first user group, higher than the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution for speech business type.
Preferably, described subframe sort module 502 also for:
When subframe classification according to the ABS subframe pattern getting, also obtain the second subframe set, the subframe in described the second subframe set is designated as ABS subframe by all base stations in described at least two the second base stations;
Described user's sort module 503 also for:
For the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution of the speech business type in described first user group, higher than the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution for non-voice service type.
Preferably, described subframe sort module 502 also for:
When subframe classification according to the ABS subframe pattern getting, also obtain the 3rd subframe set, the subframe in described the 3rd subframe set is not all designated as ABS subframe by the base station in described at least two the second base stations;
Described user's sort module 503 also for:
According to until the SINR of dispatched users to the described second user's group that also obtains in the time that dispatched users is classified, the SINR that treats dispatched users in described second user's group is higher than described setting threshold;
Described scheduler module 504 also for:
In subframe in described the 3rd subframe set, dispatch the dispatched users for the treatment of in described second user's group.
It can be seen from the above:
The embodiment of the present invention is obtained after the almost blank ABS subframe pattern of at least two the second base stations by the first base station, obtains the first subframe set; Subframe in the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations; Treat that dispatched users is classified and obtain at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and for treating dispatched users allocation schedule priority in described first user group; In subframe in described the first subframe set, dispatch the dispatched users for the treatment of in described first user group according to dispatching priority.The embodiment of the present invention can rationally be utilized the ABS subframe pattern that receives at least two the second base stations, when effectively disturb CRE user reduction the second base station, improves the utilance of frequency spectrum resource, and then improves the throughput of whole net.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. the disturbance coordination method in heterogeneous network, is characterized in that, the method comprises:
The first base station obtains the almost blank ABS subframe pattern of at least two the second base stations;
Classify and obtain at least the first subframe set subframe according to the ABS subframe pattern getting in described the first base station, the subframe in described the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations;
Described the first base station treats that dispatched users is classified and obtains at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and is that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group;
In the subframe of described the first base station in described the first subframe set, dispatch the dispatched users for the treatment of in described first user group according to the described dispatching priority for the treatment of dispatched users.
2. the method for claim 1, is characterized in that, described the first base station is treated that dispatched users is classified and obtained at least first user group described according to the degree that is disturbed for the treatment of dispatched users, comprising:
Described the first base station treats that dispatched users is classified and obtains described first user group described according to the Signal to Interference plus Noise Ratio SINR that treats dispatched users, and the SINR that treats dispatched users in described first user group is not higher than setting threshold;
Described is that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group, comprising:
For the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution of the non-voice service type in described first user group, higher than the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution for speech business type.
3. method as claimed in claim 2, it is characterized in that, described the first base station also obtains the second subframe set when subframe classification according to the ABS subframe pattern getting, and the subframe in described the second subframe set is designated as ABS subframe by all base stations in described at least two the second base stations;
Described method also comprises:
For the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution of the speech business type in described first user group, higher than the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution for non-voice service type.
4. method as claimed in claim 3, it is characterized in that, described the first base station also obtains the 3rd subframe set when subframe classification according to the ABS subframe pattern getting, and the subframe in described the 3rd subframe set is not all designated as ABS subframe by the base station in described at least two the second base stations;
Described the first base station according to until the SINR of dispatched users to the described second user's group that also obtains in the time that dispatched users is classified, the SINR that treats dispatched users in described second user's group is higher than described setting threshold;
Described method also comprises:
In the subframe of described the first base station in described the 3rd subframe set, dispatch the dispatched users for the treatment of in described second user's group.
5. the method as described in any one in claim 1-4, is characterized in that, described the first Wei Wei base station, base station, and described the second base station is macro base station.
6. a base station, is characterized in that, comprising:
Acquisition module, for obtaining the almost blank ABS subframe pattern of at least two the second base stations;
Subframe sort module, for subframe being classified and obtained at least the first subframe set according to the ABS subframe pattern getting, the subframe in described the first subframe set is designated as ABS subframe by the part base station in described at least two the second base stations;
User's sort module, treat that dispatched users is classified and obtain at least first user group described according to the degree that is disturbed for the treatment of dispatched users, and be that the dispatched users for the treatment of in described first user group is distributed in the dispatching priority in the subframe in described the first subframe set according to the type of service for the treatment of dispatched users in described first user group;
Scheduler module, for the subframe in described the first subframe set, dispatches the dispatched users for the treatment of in described first user group according to the described dispatching priority for the treatment of dispatched users.
7. base station as claimed in claim 6, is characterized in that, described user's sort module also for:
Treat that dispatched users is classified and obtain described first user group described according to the Signal to Interference plus Noise Ratio SINR that treats dispatched users, the SINR that treats dispatched users in described first user group is not higher than setting threshold;
For the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution of the non-voice service type in described first user group, higher than the dispatching priority in the subframe in described the first subframe set for the treatment of dispatched users distribution for speech business type.
8. base station as claimed in claim 7, is characterized in that, described subframe sort module also for:
When subframe classification according to the ABS subframe pattern getting, also obtain the second subframe set, the subframe in described the second subframe set is designated as ABS subframe by all base stations in described at least two the second base stations;
Described user's sort module also for:
For the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution of the speech business type in described first user group, higher than the dispatching priority in the subframe in described the second subframe set for the treatment of dispatched users distribution for non-voice service type.
9. base station as claimed in claim 8, is characterized in that, described subframe sort module also for:
When subframe classification according to the ABS subframe pattern getting, also obtain the 3rd subframe set, the subframe in described the 3rd subframe set is not all designated as ABS subframe by the base station in described at least two the second base stations;
Described user's sort module also for:
According to until the SINR of dispatched users to the described second user's group that also obtains in the time that dispatched users is classified, the SINR that treats dispatched users in described second user's group is higher than described setting threshold;
Described scheduler module also for:
In subframe in described the 3rd subframe set, dispatch the dispatched users for the treatment of in described second user's group.
10. the base station as described in any one in claim 6-9, is characterized in that, Wei Wei base station, described base station, and described the second base station is macro base station.
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