CN105246162A - Resource scheduling method and device in heterogeneous network - Google Patents
Resource scheduling method and device in heterogeneous network Download PDFInfo
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- CN105246162A CN105246162A CN201510670646.5A CN201510670646A CN105246162A CN 105246162 A CN105246162 A CN 105246162A CN 201510670646 A CN201510670646 A CN 201510670646A CN 105246162 A CN105246162 A CN 105246162A
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/50—Allocation or scheduling criteria for wireless resources
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Abstract
The invention discloses a resource scheduling method and device in a heterogeneous network. The method comprises the following steps: determining whether a to be scheduled terminal is an edge user of a micro station and whether the to be scheduled terminal is interfered by an adjacent macro station; if the to be scheduled terminal is an edge user of the micro station and interfered by an adjacent macro station, determining an interference macro station set interfering the to be scheduled terminal; determining an ABS sub-frame used by the to be scheduled terminal according to nearly blank sub-frame ABS pattern sent by each macro station in the received interference macro station set. The edge user interfered by the macro station is determined through the method disclosed by the invention so as to purposefully distribute the ABS sub-frame for the user; the interference macro station set of the to be scheduled terminal is determined so that the micro station is capable of distributing the ABS sub-frame sent by the corresponding interference macro station to the to be scheduled terminal to use; not only the reasonable use of the ABS sub-frame is guaranteed, but also the service quality of the to be scheduled terminal is effectively improved, and the aim of realizing interference coordination between the micro station and the macro station is achieved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the resource regulating method in a kind of heterogeneous network and device.
Background technology
For effectively solving the problems such as the covering of macro station under indoor and focus scene and shunting, low power nodes (LPN is introduced in macro station coverage, LowPowerNode), thus form the multitiered network of the same covering that dissimilar node is formed, such network is called heterogeneous network (HetNet, Heterogeneousnetwork) by industry.LPN comprises Pico cell (Picocell), Home eNodeB (Femtocell) and has the via node (RelayNode) of signal relay transmission, for LPN here, also can be referred to as micro-station; Compared with traditional macro station, micro-station has low in energy consumption, and volume is little, light and flexible, is convenient to cover the advantages such as flexible deployment such as mending blind and focus shunting, can meets the different scene demands of operator in order to network design.
In current HetNet macro station and micro-stand on networking mode very flexible, both can identical networking, also can inter-frequency networking, because frequency spectrum resource is comparatively nervous, industry often adopts the scheme of identical networking, but identical networking makes micro-station edge customer receive more serious interference, causes its index such as mobility, access performance to worsen, therefore, in isomery common-frequency network, also need to solve grand micro-interference problem.By interference coordination (eICIC between enhancement type district in prior art, EnhancedInterCellInterferenceCoordination) interference of grand micro-is solved, eICIC method mainly utilizes almost blank subframe (ABS, AlmostBlankSubframe) technology, macro station configuration ABS pattern is handed down to micro-station, macro station on some physical channel of ABS subframe (as Physical Downlink Control Channel, Physical Downlink Shared Channel etc.) reduce transmitting power or do not launch, micro-station uses the subscriber equipment (UE under the corresponding micro-station of ABS subframe scheduling, UserEquipment), thus reduce macro station to the interference of the UE under micro-station.But how micro-station dispatches UE uses ABS subframe to guarantee the resource utilization of ABS subframe, especially the ABS pattern that multiple macro station sends is received at micro-station, how to dispatch different UE for the ABS pattern of different macro stations, in prior art, do not provide solution.
Summary of the invention
The embodiment of the present invention provides resource regulating method in a kind of heterogeneous network and device, in order to solution how for being subject to the edge customer of grand serious interference to distribute the problem of ABS subframe pointedly in the coverage of micro-station, thus improve the quality of service treating dispatch terminal, improve the utilance of ABS subframe.
Resource regulating method in a kind of heterogeneous network that the embodiment of the present invention provides, comprising:
According to treating the channel quality parameter that dispatch terminal reports, treat described in determining dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station;
If described in treat that dispatch terminal is the edge customer at micro-station and by the interference of adjacent macro station, then determines the interference macro station set treating dispatch terminal described in disturbing;
According to the almost blank subframe ABS pattern that each macro station in the interference macro station set received sends, described in determining, treat the ABS subframe that dispatch terminal uses.
Preferably, according to the ABS subframe pattern that each macro station in the interference macro station set received sends, treat described in determining to comprise the ABS subframe that dispatch terminal uses:
If comprise at least two macro stations in the set of described interference macro station, then ABS subframe in macro station ABS pattern each in the set of described interference macro station is got common factor or union;
According to the ABS subframe of getting after common factor or union, described in determining, treat the ABS subframe that dispatch terminal uses.
Preferably, after treating the ABS subframe that dispatch terminal uses described in determining, also comprise:
Treat the requirement of dispatch terminal to service rate according to described, described in determining, treat that dispatch terminal uses the priority of ABS subframe, wherein, ensure that the priority of dispatch terminal for the treatment of of bit rate GBR treats dispatch terminal higher than non-guaranteed bit rate N-GBR.
Preferably, also comprise:
Treat the type of dispatch terminal described in determining, wherein, a Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station;
According to the described type treating dispatch terminal, described in determining, treat that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe, wherein, use the priority of ABS subframe to be followed successively by two Terminal Types, a Terminal Type from high to Low; The priority of non-ABS subframe is used to be followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
Preferably, the type treating dispatch terminal according to described and describedly treat the requirement of dispatch terminal to service rate, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority using ABS subframe is two class GBR terminal > bis-class N-GBR terminal > mono-class GBR terminal > mono-class N-GBR terminals;
The priority of non-ABS subframe is used to be three class GBR terminal > mono-class GBR terminal > tri-class N-GBR terminal > mono-class N-GBR terminal > bis-class GBR terminals.
The embodiment of the present invention provides the resource scheduling device in a kind of heterogeneous network, comprising:
Judge module, for according to treating the channel quality parameter that dispatch terminal reports, determine to treat dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station;
Determination module, if for described in treat that dispatch terminal is the edge customer at micro-station and by the interference of adjacent macro station, then determines the interference macro station set treating dispatch terminal described in disturbing;
Choose module, for the almost blank subframe ABS pattern sent according to each macro station in the interference macro station set received, described in determining, treat the ABS subframe of dispatch terminal.
Preferably, choose module, specifically for:
If comprise at least two macro stations in the set of described interference macro station, then ABS subframe in macro station ABS pattern each in the set of described interference macro station is got common factor or union; According to the ABS subframe of getting after common factor or union, described in determining, treat the ABS subframe that dispatch terminal uses.
Preferably, also comprise:
Scheduler module, for treating the requirement of dispatch terminal to service rate described in basis, treat described in determining that dispatch terminal uses the priority of ABS subframe, wherein, ensure that the priority of dispatch terminal for the treatment of of bit rate GBR treats dispatch terminal higher than non-guaranteed bit rate N-GBR.
Preferably, judge module, specifically for:
Treat the type of dispatch terminal described in determining, wherein, a Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station;
Scheduler module, specifically for:
According to the described type treating dispatch terminal, described in determining, treat that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority of ABS subframe is used to be followed successively by two Terminal Types, a Terminal Type from high to Low;
The priority of non-ABS subframe is used to be followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
Preferably, scheduler module, also specifically for:
The type treating dispatch terminal according to described and describedly treat the requirement of dispatch terminal to service rate, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority using ABS subframe is two class GBR terminal > bis-class N-GBR terminal > mono-class GBR terminal > mono-class N-GBR terminals;
The priority of non-ABS subframe is used to be three class GBR terminal > mono-class GBR terminal > tri-class N-GBR terminal > mono-class N-GBR terminal > bis-class GBR terminals.
In the embodiment of the present invention, first according to treating the channel quality parameter that dispatch terminal reports, treat described in determining dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station, by this step, the edge customer by macro station interference can be determined, this type of user is generally and is disturbed serious user, therefore need pointedly for this type of user distributes ABS subframe; Further, determine the interference macro station set treating dispatch terminal described in disturbing, according to the almost blank subframe ABS pattern that each macro station in the interference macro station set received sends, described in determining, treat the ABS subframe that dispatch terminal uses; The interference macro station set treating dispatch terminal is determined in this step, thus make micro-station to this, the ABS sub-frame allocation in the ABS pattern of the interference macro station of correspondence can be treated that dispatch terminal uses, avoid using the non-ABS subframe treating the interference macro station of dispatch terminal, ensure that the reasonable employment of ABS subframe, improve the utilance of ABS sub-frame resources, also effectively improve the quality of service treating dispatch terminal simultaneously, achieve the object of grand micro-interference coordination.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The exemplary plot of the resource regulating method in the heterogeneous network that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of the resource regulating method in the heterogeneous network that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram of the resource scheduling device in the heterogeneous network that Fig. 3 provides for the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
The scene of reference Fig. 1 is to discuss the specific implementation process in the embodiment of the present invention better, and Fig. 1 is a scene example, under obvious technical scheme of the present invention can be applied to any scene of grand micro-interference in heterogeneous network.
As shown in Figure 1, coverage and macro station M1, the M2 of micro-station P2 and micro-station P1 exist and cover crossover region, in the P2 coverage of micro-station, one have UE1 ~ UE10 totally ten treat dispatch terminal, wherein, UE4 is in the covering crossover region of macro station M1 and M2.Micro-station P2 can receive the ABS pattern that macro station M1, M2 send, usual macro station M1, M2 send ABS pattern in ABS subframe position and ABS number of sub-frames not identical, micro-station P2 can adopt the following two kinds mode to determine the ABS pattern of micro-station P2, is the ABS subframe treating dispatch terminal distribution use under micro-station P2.Method one: the ABS pattern that common factor obtains micro-station is got to the ABS subframe in the ABS pattern of each macro station received, the method does not still send data not belonging in the ABS subframe in intersection range by making macro station, and micro-station does not use these subframes to carry out the scheduling of resource of interference user yet, cause the waste of macro station resource to a certain extent; Method two: the ABS pattern that union obtains micro-station is got to the ABS subframe in the ABS pattern of the multiple macro stations received, in the method, micro-station make use of all ABS subframes that macro station issues, but interference that dispatch terminal is subject to is not considered to treat from macro station still from other micro-stations in micro-station, and do not distinguish yet and treat that dispatch terminal is subject to the interference of which macro station, micro-station probably mistake will by the user scheduling of other micro-station interference in ABS subframe, or in the ABS subframe that the terminal scheduling by macro station M1 interference is distributed to macro station M2.The method can not play the object of grand micro-interference coordination well, the real performance improved by grand interference user, and is not used the wasting of resources still causing macro station targetedly due to macro station ABS subframe.
Embodiments provide another kind of resource regulating method based on the problems referred to above, as shown in Figure 2, comprise the following steps:
Step 201, according to treating the channel quality parameter that dispatch terminal reports, treat described in determining dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station;
Step 202, if described in treat that dispatch terminal is the edge customer at micro-station and by the interference of adjacent macro station, then determines the interference macro station set treating dispatch terminal described in disturbing;
Step 203, according to the almost blank subframe ABS pattern that each macro station in the interference macro station set received sends, treats the ABS subframe that dispatch terminal uses described in determining.
Specifically, in above-mentioned steps 201, treat that the channel quality parameter that dispatch terminal reports can be Reference Signal Received Power (RSRP, ReferenceSignalReceivedPower) or Signal to Interference plus Noise Ratio (SINR, SignaltoInterferenceplusNoiseRatio) or other can characterize the parameter treating dispatch terminal channel quality.In addition, under different systems, the statement characterizing the parameter of channel quality is also different, as at LTE (LongTermEvolution, Long Term Evolution) middle finger be exactly RSRP value, at 3G (3rd-Generation) network middle finger is exactly received signal code power (RSCP, ReceivedSignalCodePower), also can be Reference Signal Received Quality (RSRQ, ReferenceSignalReceivingQuality).In this step, can treat that the RSRP that dispatch terminal measurement reports and the first pre-determined threshold compare by this, or treat the RSRP that dispatch terminal measurement reports and treat that the RSRP difference of other base stations that base station residing for dispatch terminal is adjacent compares with the second pre-determined threshold with this again to show that this treats whether dispatch terminal belongs to edge customer by this.
Preferably, in above-mentioned steps 201, can by treating that dispatch terminal channel quality parameter and preset channel deterioration thresholding compare, treat described in determining whether dispatch terminal is subject to the interference of adjacent macro station, if this treats that dispatch terminal channel quality parameter is less than or equal to preset channel deterioration thresholding, then show that this treats that dispatch terminal receives interference; Otherwise, then show that this treats that dispatch terminal is interference-free, following two kinds of optimal ways can be had specifically:
Mode one: by treating that the RSRP that dispatch terminal measurement reports and the first preset channel deterioration thresholding compare, such as the first preset channel deterioration thresholding is set to-90dBm, if this treats that the RSRP that dispatch terminal measurement reports is less than or equal to-90dBm, then this treats that dispatch terminal receives interference; Treat that the RSRP of macro station in the neighbor cell, micro-station that dispatch terminal reports is more than or equal to preset by grand interference threshold by this simultaneously, adjudicate this and treat whether dispatch terminal is subject to the interference of adjacent macro station.
Mode two: by treating that the SINR that dispatch terminal measurement reports and the second preset channel deterioration thresholding compare, such as the second preset channel deterioration thresholding is set to 3dB, if treat that the SINR that dispatch terminal measurement reports is less than or equal to 3dB, then this treats that dispatch terminal receives interference; Simultaneously by be disturbed treat that dispatch terminal reports neighbor cell, micro-station in the RSRP of macro station be more than or equal to preset and adjudicate this by grand interference threshold and treat whether dispatch terminal is subject to the interference of adjacent macro station.
Further, by above-mentioned judging process, can judge to treat that dispatch terminal belongs to edge customer or central user and whether disturbs by macro station, thus described in can determining, treat the type of dispatch terminal, wherein, one Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station.
Treat described in being determined by step 201 that dispatch terminal is the edge customer at micro-station and after interference by adjacent macro station, needs to determine in step 202. the interference macro station set treating dispatch terminal described in disturbing.By the judging process of step 201, the cell ID of interference macro station can be known.If the adjacent macro station number meeting this condition is more than or equal to 1, then show that this treats that dispatch terminal is subject to the interference of 1 or multiple macro station, then record meets all macro station communities of this condition, determines the interference macro station set treating dispatch terminal described in disturbing.
In step 203, according to the almost blank subframe ABS pattern that each macro station in the interference macro station set received sends, treating the ABS subframe that dispatch terminal uses described in determining, can be specifically ABS subframe in macro station ABS pattern each in the set of described interference macro station is got common factor or union; According to the ABS subframe of getting after common factor or union, described in determining, treat the ABS subframe that dispatch terminal uses.Such as shown in Fig. 1, treat that dispatch terminal UE4 disturbs by macro station M1 and M2, then the interference macro station set of UE4 is { M1, M2}, be { frame 0 subframe 5, frame 1 subframe 0} as micro-station P2 receives the ABS subframe pattern that macro station M1 sends, receiving the ABS subframe pattern that macro station M2 sends is { frame 0 subframe 0, frame 1 subframe 0, frame 1 subframe 6}, then UE4 can be dispatched to the ABS subframe that M1 and M2 send and get common factor { frame 1 subframe 0}, or union { frame 0 subframe 0, frame 1 subframe 0, frame 1 subframe 6, frame 0 subframe 5}.To different, micro-station P2 treats that dispatch terminal can adopt the mode of different determination ABS subframes, as adopted ABS subframe to get the mode of common factor to UE4, UE5 being got to the mode of union, all not doing concrete restriction in this programme.
Preferably, after treating the ABS subframe that dispatch terminal uses described in determining in the embodiment of the present invention, the requirement of dispatch terminal to service rate is treated according to described, treat described in determining that dispatch terminal uses the priority of ABS subframe, ensure bit rate (GBR, GuaranteedBitRate) treat that the priority of dispatch terminal is higher than non-guaranteed bit rate (N-GBR, Non-GuaranteedBitRate) treat dispatch terminal, wherein, GBR treats that dispatch terminal is to the guaranteed rate requirement of business and to time delay, speed, the indexs such as Block Error Rate have high-level terminal, N-GBR treats that dispatch terminal is terminal service rate not being had to guaranteed rate requirement.
Preferably, for three Terminal Types determined in step 201, micro-standing in when dispatching subframe can adopt different strategies, thus ensures the utilance of scheduling subframe, and the interference that dispatch terminal is subject to is treated in reduction.Scheduling subframe comprises two kinds: one is ABS subframe, within the ABS sub-frame configuration cycle, be namely designated the subframe of almost blank subframe by all macro stations; Another is non-ABS subframe, namely at all descending sub frames in the ABS sub-frame configuration cycle except ABS subframe.
Preferably, determine that the method for the scheduling subframe treating dispatch terminal is:
The scheduling subframe of one Terminal Type is non-ABS subframe and ABS subframe;
The scheduling subframe of two Terminal Types is non-ABS subframe and ABS subframe; When this two Terminal Type is dispatched to ABS subframe, only can be dispatched in ABS subframe that in interference macro station set corresponding to this two Terminal Type, all macro stations is distributed, and only have during resources left in the operation quality requirement and non-ABS subframe that do not meet this two Terminal Type and just allow to be dispatched in non-ABS subframe;
The scheduling subframe of three Terminal Types is non-ABS subframe.
Preferably, according to the described type treating dispatch terminal, treat described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe, wherein, one Terminal Type is as central user, and quality of service is better, is generally dispatched in ABS subframe when ABS sub-frame resources has residue by a Terminal Type, can not only effectively utilize macro station ABS sub-frame resources, and contribute to promoting user awareness further; Three Terminal Types are as the edge customer not by grand interference, scheduling subframe is non-ABS subframe, for improving this three Terminal Types quality of service and taking into account user fairness, promote user awareness, the dispatching priority of three Terminal Types on non-ABS is ranked the first, to sum up, the priority of ABS subframe is used to be followed successively by two Terminal Types, a Terminal Type from high to Low; The priority of non-ABS subframe is used to be followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
Preferably, the type treating dispatch terminal according to described and describedly treat the requirement of dispatch terminal to service rate, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority using ABS subframe is two class GBR terminal > bis-class N-GBR terminal > mono-class GBR terminal > mono-class N-GBR terminals;
The priority of non-ABS subframe is used to be three class GBR terminal > mono-class GBR terminal > tri-class N-GBR terminal > mono-class N-GBR terminal > bis-class GBR terminals.
Lift a specific embodiment below in conjunction with Fig. 1, introduce technical scheme of the present invention and how to determine different ABS subframes for different dispatch terminals.
As shown in Figure 1, coverage and macro station M1, the M2 of micro-station P2 and micro-station P1 exist and cover crossover region, have in the P2 coverage of micro-station UE1 ~ UE10 totally ten treat dispatch terminal.The RSPR pre-determined threshold set is-90dBm, channel quality degrades thresholding SINR is 3dB, RSRP is set to-100dBm by grand interference threshold, according to respectively treating that RSPR and the RSPR pre-determined threshold-90dBm that dispatch terminal measurement reports compares, show that UE1 ~ UE8 is edge customer, user centered by UE9 and UE10; The SINR of UE2 ~ UE7 is all less than channel quality degrades thresholding SINR3dB, and the RSRP of adjacent area macro station M1 that UE2 and UE3 reports is respectively-88dBm and-90dBm, the adjacent area macro station M1 that UE4 reports and the RSRP of M2 is respectively-98dBm and-99dBm, the RSRP of the adjacent area macro station M2 that UE5 and UE6 reports is-95dBm and-96dBm, macro station signal is not had in the adjacent area RSRP that UE7 reports, the channel quality of UE1 and UE8 is satisfied is less than or equal to channel quality degrades threshold condition, illustrates that channel quality is good; As from the foregoing, the RSRP of the adjacent area macro station of UE2 ~ UE6 is all greater than default by grand interference threshold-100dBm, therefore show that UE2 ~ UE6 is the edge customer by grand interference, and UE2 and UE3 disturbs by macro station M1, UE4 disturbs by macro station M1 and M2, UE5 and UE6 disturbs by macro station M2, although UE7 bad channel quality, but whether by grand interference, be disturb by other micro-station P1, UE1 ~ UE10 treated dispatch terminal is divided into three classes and is:
One Terminal Type: { UE9, UE10}
Two Terminal Types: { UE2, UE3, UE4, UE5, UE6}, wherein the interference macro station set of UE2 is that { the interference macro station set of M1}, UE3 is that { the interference macro station set of M1}, UE4 is { M1, M2}, the interference macro station set of UE5 is that { the interference macro station set of M2}, UE6 is { M2};
Three Terminal Types: { UE1, UE7, UE8};
Such as, micro-station P2 receives the ABS subframe pattern that two macro stations are sent altogether, macro station M1 and M2 respectively, wherein receiving the ABS subframe pattern that macro station M1 sends is { frame 0 subframe 5, frame 1 subframe 0}, receiving the ABS subframe pattern that macro station M2 sends is { frame 0 subframe 0, frame 1 subframe 0, frame 1 subframe 6}, then adopt the mode of getting union the to determine ABS subframe at micro-station is respectively { frame 0 subframe 0, frame 1 subframe 0, frame 1 subframe 6, frame 0 subframe 5}, non-ABS subframe, namely at all descending sub frames in the ABS sub-frame configuration cycle except ABS subframe, then within ABS configuration cycle, non-ABS subframe is respectively: { frame 0 subframe 1, frame 0 subframe 4, frame 0 subframe 6, frame 0 subframe 9, frame 1 subframe 1, frame 1 subframe 4, frame 1 subframe 5, frame 1 subframe 9},
Set non-ABS subframe that three Terminal Types use and the situation of ABS subframe as follows:
One Terminal Type: { UE9, UE10}, scheduling subframe: non-ABS subframe and ABS subframe, i.e. all descending sub frames;
Two Terminal Types: { UE2, UE3, UE4, UE5, UE6}, scheduling subframe: non-ABS subframe and ABS subframe, i.e. all descending sub frames, but for ABS subframe, this two Terminal Type only can be dispatched in the ABS subframe that in interference macro station set corresponding to two Terminal Types, all macro stations are distributed, wherein UE2 and UE3 only disturbs by macro station M1, is only dispatched in ABS subframe that macro station M1 sends, i.e. { frame 0 subframe 5, frame 1 subframe 0}, UE4 disturbs by macro station M1 and M2, then UE4 can be dispatched in the ABS subframe that M1 and M2 send, and namely adopts the mode of getting union to be { frame 0 subframe 0, frame 1 subframe 0, frame 1 subframe 6, frame 0 subframe 5}, UE5 and UE6 only disturbs by macro station M2, then UE5 and UE6 is only dispatched in the ABS subframe that macro station M2 sends, i.e. { frame 0 subframe 0, frame 1 subframe 0, frame 1 subframe 6}, and these 5 terminals, have during resources left and just allow to be dispatched to non-ABS subframe { frame 0 subframe 1 not meeting operation quality requirement and non-ABS subframe, frame 0 subframe 4, frame 0 subframe 6, frame 0 subframe 9, frame 1 subframe 1, frame 1 subframe 4, frame 1 subframe 5, on frame 1 subframe 9},
Three Terminal Types: { UE1, UE7, UE8}, scheduling subframe: non-ABS subframe, i.e. { frame 0 subframe 1, frame 0 subframe 4, frame 0 subframe 6, frame 0 subframe 9, frame 1 subframe 1, frame 1 subframe 4, frame 1 subframe 5, frame 1 subframe 9};
In ABS subframe, the dispatching priority of terminal is:
Two Terminal Type > mono-Terminal Types
In non-ABS subframe, the dispatching priority of user is:
Three Terminal Type > mono-Terminal Type > bis-Terminal Types;
Such as: based on treating that dispatch terminal is to service rate requirement, dividing and treating that dispatch terminal is GBR and N-GBR two kinds, wherein known
One Terminal Type: { in UE9, UE10}, UE9 is GBR terminal, and UE10 is N-GBR terminal;
Two Terminal Types: { in UE2, UE3, UE4, UE5, UE6}, UE2, UE4, UE6 are GBR terminal, UE3 and UE5 is N-GBR terminal;
Three Terminal Types: { in UE1, UE7, UE8}, UE1 and UE7 is GBR terminal, and UE8 is N-GBR terminal;
Finally, the scheduling priority of terminal of each scheduling subframe within ABS configuration cycle can be obtained according to ABS subframe and the sequence of non-ABS subframe scheduling priority of terminal as follows:
The scheduling priority of terminal of subframe dispatched by table 1
The embodiment of the present invention, according to treating the channel quality parameter that dispatch terminal reports, treat described in determining dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station, by this step, the edge customer by macro station interference can be determined, this type of user is generally and is disturbed serious user, therefore need pointedly for this type of user distributes ABS subframe, further, determine the interference macro station set treating dispatch terminal described in disturbing, according to the almost blank subframe ABS pattern that each macro station in the interference macro station set received sends, the ABS subframe that dispatch terminal uses is treated described in determining, the interference macro station set treating dispatch terminal is determined in this step, thus make micro-station to this, the ABS sub-frame allocation in the ABS pattern of the interference macro station of correspondence can be treated that dispatch terminal uses, avoid using the non-ABS subframe treating the interference macro station of dispatch terminal, ensure that the reasonable employment of ABS subframe, improve the utilance of ABS sub-frame resources, also effectively improve the quality of service treating dispatch terminal simultaneously, achieve the object of grand micro-interference coordination, in addition, treat that dispatch terminal belongs to edge customer or central user and whether disturbs by adjacent macro station according to this, the type of dispatch terminal is treated described in determining, the type treating dispatch terminal according to described and describedly treat the requirement of dispatch terminal to service rate, treat described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe, wherein, terminal PRI sequence in different scheduling subframe is followed to be disturbed and is treated that dispatch terminal priority is higher than treating dispatch terminal without interruption, high-quality business requires higher than low quality business need, ensure that the business that is disturbed and treats dispatch terminal and high-quality business require to treat the business of dispatch terminal with this, improve the overall performance of user awareness and system.
Based on identical technical conceive, the embodiment of the present invention also provides the resource scheduling device in a kind of heterogeneous network, and this device can perform said method embodiment.Resource scheduling device in the heterogeneous network that the embodiment of the present invention provides as shown in Figure 3.
Described device comprises:
Judge module, for according to treating the channel quality parameter that dispatch terminal reports, determine to treat dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station;
Determination module, if for described in treat that dispatch terminal is the edge customer at micro-station and by the interference of adjacent macro station, then determines the interference macro station set treating dispatch terminal described in disturbing;
Choose module, for the almost blank subframe ABS pattern sent according to each macro station in the interference macro station set received, described in determining, treat the ABS subframe of dispatch terminal.
Preferably, choosing module, if specifically for comprising at least two macro stations in the set of described interference macro station, then ABS subframe in macro station ABS pattern each in the set of described interference macro station being got common factor or union; According to the ABS subframe of getting after common factor or union, described in determining, treat the ABS subframe that dispatch terminal uses.
Preferably, this device also comprises scheduler module, for treating the requirement of dispatch terminal to service rate described in basis, treat described in determining that dispatch terminal uses the priority of ABS subframe, wherein, ensure that the priority of dispatch terminal for the treatment of of bit rate GBR treats dispatch terminal higher than non-guaranteed bit rate N-GBR.
Preferably, judge module, also for treating the type of dispatch terminal described in determining, wherein, one Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station;
Preferably, scheduler module, also for treating the type of dispatch terminal described in basis, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority of ABS subframe is used to be followed successively by two Terminal Types, a Terminal Type from high to Low;
The priority of non-ABS subframe is used to be followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
Preferably, scheduler module, also for treating the type of dispatch terminal described in basis and describedly treating the requirement of dispatch terminal to service rate, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority using ABS subframe is two class GBR terminal > bis-class N-GBR terminal > mono-class GBR terminal > mono-class N-GBR terminals;
The priority of non-ABS subframe is used to be three class GBR terminal > mono-class GBR terminal > tri-class N-GBR terminal > mono-class N-GBR terminal > bis-class GBR terminals.
Those skilled in the art should understand, the embodiment of the application can be provided as method or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of 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 square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. the resource regulating method in heterogeneous network, is characterized in that, the method comprises:
According to treating the channel quality parameter that dispatch terminal reports, treat described in determining dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station;
If described in treat that dispatch terminal is the edge customer at micro-station and by the interference of adjacent macro station, then determines the interference macro station set treating dispatch terminal described in disturbing;
According to the almost blank subframe ABS pattern that each macro station in the interference macro station set received sends, described in determining, treat the ABS subframe that dispatch terminal uses.
2. the method for claim 1, is characterized in that, the ABS subframe pattern that each macro station in the interference macro station set that described basis receives sends, and treats to comprise the ABS subframe that dispatch terminal uses described in determining:
If comprise at least two macro stations in the set of described interference macro station, then ABS subframe in macro station ABS pattern each in the set of described interference macro station is got common factor or union;
According to the ABS subframe of getting after common factor or union, described in determining, treat the ABS subframe that dispatch terminal uses.
3. the method for claim 1, is characterized in that, described determine described in treat the ABS subframe that dispatch terminal uses after, also comprise:
Treat the requirement of dispatch terminal to service rate according to described, described in determining, treat that dispatch terminal uses the priority of ABS subframe, wherein, ensure that the priority of dispatch terminal for the treatment of of bit rate GBR treats dispatch terminal higher than non-guaranteed bit rate N-GBR.
4. the method as described in any one of claims 1 to 3, is characterized in that, the method also comprises:
Treat the type of dispatch terminal described in determining, wherein, a Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station;
According to the described type treating dispatch terminal, described in determining, treat that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe, wherein, use the priority of ABS subframe to be followed successively by two Terminal Types, a Terminal Type from high to Low; The priority of non-ABS subframe is used to be followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
5. the method as described in any one of claims 1 to 3, is characterized in that, the method also comprises:
Treat the type of dispatch terminal described in determining, wherein, a Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station;
The type treating dispatch terminal according to described and describedly treat the requirement of dispatch terminal to service rate, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority using ABS subframe is two class GBR terminal > bis-class N-GBR terminal > mono-class GBR terminal > mono-class N-GBR terminals;
The priority of non-ABS subframe is used to be three class GBR terminal > mono-class GBR terminal > tri-class N-GBR terminal > mono-class N-GBR terminal > bis-class GBR terminals.
6. the resource scheduling device in heterogeneous network, is characterized in that, this device comprises:
Judge module, for according to treating the channel quality parameter that dispatch terminal reports, determine to treat dispatch terminal whether for micro-station edge customer and described in treat dispatch terminal whether by the interference of adjacent macro station;
Determination module, if for described in treat that dispatch terminal is the edge customer at micro-station and by the interference of adjacent macro station, then determines the interference macro station set treating dispatch terminal described in disturbing;
Choose module, for the almost blank subframe ABS pattern sent according to each macro station in the interference macro station set received, described in determining, treat the ABS subframe of dispatch terminal.
7. device as claimed in claim 6, is characterized in that,
Describedly choosing module, if specifically for comprising at least two macro stations in the set of described interference macro station, then ABS subframe in macro station ABS pattern each in the set of described interference macro station being got common factor or union; According to the ABS subframe of getting after common factor or union, described in determining, treat the ABS subframe that dispatch terminal uses.
8. device as claimed in claim 6, it is characterized in that, this device also comprises:
Scheduler module, for treating the requirement of dispatch terminal to service rate described in basis, treat described in determining that dispatch terminal uses the priority of ABS subframe, wherein, ensure that the priority of dispatch terminal for the treatment of of bit rate GBR treats dispatch terminal higher than non-guaranteed bit rate N-GBR.
9. the device as described in any one of claim 6 to 8, is characterized in that,
Described judge module, also for treating the type of dispatch terminal described in determining, wherein, a Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station;
Described scheduler module, also for treating the type of dispatch terminal described in basis, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority of ABS subframe is used to be followed successively by two Terminal Types, a Terminal Type from high to Low;
The priority of non-ABS subframe is used to be followed successively by three Terminal Types, a Terminal Type and two Terminal Types from high to Low.
10. the device as described in any one of claim 6 to 8, is characterized in that,
Described judge module, also for treating the type of dispatch terminal described in determining, wherein, a Terminal Type is the central user at micro-station, two Terminal Types be micro-station edge customer and by the interference of adjacent macro station, three Terminal Types be micro-station edge customer and not by the interference of adjacent macro station;
Described scheduler module, also for treating the type of dispatch terminal described in basis and describedly treating the requirement of dispatch terminal to service rate, treats described in determining that dispatch terminal is in the priority using ABS subframe and/or non-ABS subframe;
Wherein, the priority using ABS subframe is two class GBR terminal > bis-class N-GBR terminal > mono-class GBR terminal > mono-class N-GBR terminals;
The priority of non-ABS subframe is used to be three class GBR terminal > mono-class GBR terminal > tri-class N-GBR terminal > mono-class N-GBR terminal > bis-class GBR terminals.
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