CN104066105B

CN104066105B - Disturbance restraining method, macro base station, micro-base station and system

Info

Publication number: CN104066105B
Application number: CN201310092181.0A
Authority: CN
Inventors: 胡文权; 铁晓磊; 焦淑蓉; 花梦
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-03-21
Filing date: 2013-03-21
Publication date: 2018-04-10
Anticipated expiration: 2033-03-21
Also published as: WO2014146533A1; CN104066105A

Abstract

The embodiment of the present invention provides a kind of disturbance restraining method, macro base station, micro-base station and system.Method includes：Obtain the channel parameter for the UE in the serving cell of resident micro-base station and being in CELL DCH states or CELL_FACH states；According to channel parameter, each UE up channel is monitored, obtains uplink interference amounts of the UE to macro base station；According to the uplink interference amount, the target UE of transmit power to be reduced is determined to the UE；Target UE is notified into micro-base station, so that micro-base station reduces target UE transmit power.Technical solution of the present invention can reduce using cell where micro-base station as interference of the UE of serving cell to macro base station and reduce the waste of ascending resource.

Description

Disturbance restraining method, macro base station, micro-base station and system

Technical field

The present invention relates to the communication technology, more particularly to a kind of disturbance restraining method, macro base station, micro-base station and system.

Background technology

In the deployment of existing macro network, because its covering is larger, traffic hotspots region, covering blind spot region be present and cover Lid fringe region etc. needs to improve the scene of Consumer's Experience, heterogeneous network（Heterogeneous network, referred to as HetNet） It is a kind of one of technique for solving these problems.Under heterogeneous network form, blind area of the Microcell to macrocell can be utilized Mend blind, or traffic can be absorbed using Microcell in the focus telephone traffic region of macrocell, therefore the appearance of cell can be lifted Amount, ensure Consumer's Experience.

Under heterogeneous network form, by existing network specification, problems with least be present in network coverage area：Due to micro-base station Place micro-cell load is lighter, accordingly, it is possible to which it is larger to allow the UE close to soft handover area and using Microcell as serving cell to send Ascending power, this can cause strong uplink interferences of these UE to macro base station.Prior art is generally by limitation micro-base station Received total wideband power（Receive Total Wideband Power, referred to as RTWP）, the ascending load of Microcell is controlled, Total transmit power using Microcell as the UE of serving cell is reduced, reduces the UE using Microcell as serving cell to macro base station Interference.But this method can not make full use of ascending resource, the wasting of resources can be caused.

The content of the invention

The embodiment of the present invention provides a kind of disturbance restraining method, macro base station, micro-base station and system, to reduce with micro-base station Place cell for serving cell interference of the UE to macro base station and reduce the waste of ascending resource.

First aspect provides a kind of disturbance restraining method, including：Obtain all in the serving cell for residing in micro-base station User equipment（UE）Channel parameter, wherein, the UE is in CELL_DCH states, or in CELL_FACH states；According to the letter Road parameter, each UE up channel is monitored respectively, obtain uplink interference amounts of the UE to macro base station；According to The uplink interference amount, the target UE of transmit power to be reduced is determined from the UE；The target UE is notified into micro- base Stand, so that the micro-base station reduces the transmit power of the target UE.

With reference in a first aspect, in the first possible implementation of first aspect, the acquisition resides in micro-base station Serving cell in all UE channel parameter, including：Preset when the received total wideband power RTWP of the macro base station is more than During power threshold, send channel parameter to the micro-base station and obtain request；The micro-base station is received to be obtained according to the channel parameter The channel parameter for taking request to return obtains response, and the channel parameter obtains response and carries the service for residing in the micro-base station The channel parameter of all UE in cell.

With reference in a first aspect, in second of possible implementation of first aspect, the acquisition resides in micro-base station Serving cell in all UE channel parameter, including：The information that reports of the micro-base station transmission is received, it is described to report information Carry the channel parameter of all UE in the serving cell for residing in the micro-base station；It is described according to the channel parameter, point The other up channel to each UE is monitored, and obtains uplink interference amounts of the UE to macro base station, including：When described grand When the RTWP of base station is more than predetermined power thresholding, according to the channel parameter, each UE up channel is carried out respectively Monitor, obtain uplink interference amounts of the UE to the macro base station.

Second with reference to the possible implementation of the first of first aspect or first aspect or first aspect is possible Implementation, it is described that the target UE is notified into the micro-base station in the third possible implementation of first aspect, with Toilet, which states micro-base station, reduces the transmit power of the target UE, including：The mark of the target UE is sent to the micro-base station, So that the micro-base station is according to the mark of the target UE, determined from all UE in the serving cell for being resident the micro-base station The target UE, and reduce the transmit power of the target UE.

With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect In, the mark by the target UE is sent to the micro-base station, so that the micro-base station is according to the mark of the target UE, The target UE is determined from all UE in the serving cell for being resident the micro-base station, and reduces the transmission work(of the target UE Rate, including：By the mark of the target UE and the target UE to the uplink interference amount of the macro base station, micro- base is sent to Stand, so that the micro-base station is according to the mark of the target UE, from all UE in the serving cell for being resident the micro-base station The target UE is determined, transmit power reduction amount, and root are determined to the uplink interference amount of the macro base station according to the target UE The transmit power of the target UE is reduced according to the transmit power reduction amount.

Second with reference to the possible implementation of the first of first aspect or first aspect or first aspect is possible 4th kind of possible implementation of the possible implementation of the third of implementation or first aspect or first aspect, It is described according to the uplink interference amount in 5th kind of possible implementation of one side, hair to be reduced is determined from the UE The target UE of power is sent, including：The UE of default interference volume thresholding will be more than to the uplink interference amount of the macro base station in the UE As the target UE.

Second aspect provides a kind of disturbance restraining method, including：Send all in the serving cell for residing in micro-base station User equipment（UE）Channel parameter to macro base station, so as to the macro base station according to the channel parameter to the upper of each UE Row channel is monitored, and the UE obtained according to monitoring determines to the uplink interference amount of the macro base station from the UE The target UE of transmit power to be reduced, wherein, the UE is in CELL-DCH states, or in CELL_FACH states；According to described grand The target UE of base station notice, reduce the transmit power of the target UE.

With reference to second aspect, in the first possible implementation of second aspect, the transmission resides in micro-base station Serving cell in all UE channel parameter to macro base station, including：The macro base station is received in the broadband of the macro base station Receive general power RTWP and be more than the channel parameter acquisition request sent during predetermined power thresholding；Being obtained according to the channel parameter please Ask, sending channel parameter to the macro base station obtains response, and the channel parameter acquisition response, which carries, resides in micro- base The channel parameter of all UE in the serving cell stood.

With reference to second aspect, in second of possible implementation of second aspect, the transmission resides in micro-base station Serving cell in all UE channel parameter to macro base station, including：Sent to the macro base station and report information, it is described to report Information carries the channel parameter of all UE in the serving cell for residing in the micro-base station.

Second with reference to the possible implementation of the first of second aspect or second aspect or second aspect is possible Implementation, in the third possible implementation of second aspect, the target notified according to the macro base station UE, the transmit power of the target UE is reduced, including：Receive the mark for the target UE that the macro base station is sent；According to institute Target UE mark is stated, from all UE in the serving cell for residing in the micro-base station, determines the target UE, and reduce The transmit power of the target UE.

With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect In, the transmit power for reducing the target UE, including：The mark of the target UE is added into limitations set, and reduces institute Target UE scheduling authorization value is stated, the scheduling authorization value after reduction is sent to the target UE, to reduce the target UE's Transmit power, wherein, scheduling authorization value corresponding to the mark of the UE in the limitations set keeps constant or reduced；Or Decline to the target UE transmit powers and indicate, to reduce the transmit power of the target UE.

With reference to the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation of second aspect In, before the scheduling authorization value for reducing the target UE, in addition to：Receive UE pairs of the target that the macro base station is sent The uplink interference amount of the macro base station；The scheduling authorization value for reducing the target UE, including：According to the target UE to institute The uplink interference amount of macro base station is stated, determines transmit power reduction amount, according to the transmit power reduction amount, reduces the target UE Scheduling authorization value.

With reference to the 5th kind of possible implementation of the 4th kind of possible implementation or second aspect of second aspect, In 6th kind of possible implementation of second aspect, methods described also includes：Judge whether to meet the mark of the target UE Know the trigger condition deleted from the limitations set；If it is judged that to meet, by the mark of the target UE from described Deleted in limitations set.

With reference to the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation of second aspect In, the trigger condition includes：The target UE is less than or equal to default interference volume door to the uplink interference amount of the macro base station Limit；Or the mark of the target UE is added to time of the limitations set and reaches specified time length；Or the mesh Mark UE exits Cell-DCH states or CELL_FACH states.

The third aspect provides a kind of macro base station, including：Acquisition module, resided in for obtaining in the serving cell of micro-base station All user equipmenies（UE）Channel parameter, wherein, the UE is in CELL-DCH states, or in CELL_FACH states；Monitor Module, for according to the channel parameter, monitoring respectively each UE up channel, obtaining the UE to described The uplink interference amount of macro base station；Determining module, for according to the uplink interference amount, transmission work(to be reduced to be determined from the UE The target UE of rate；Notification module, for the target UE to be notified into the micro-base station, so that the micro-base station reduces the target UE transmit power.

With reference to the third aspect, in the first possible implementation of the third aspect, the acquisition module is specifically used for When the received total wideband power RTWP of the macro base station is more than predetermined power thresholding, sends channel parameter to the micro-base station and obtain Request is taken, and receives the channel parameter acquisition response that the micro-base station obtains request return according to the channel parameter, the letter Road parameter acquiring response carries the channel parameter of all UE in the serving cell for residing in the micro-base station.

With reference to the third aspect, in second of possible implementation of the third aspect, the acquisition module is specifically used for Receive the information that reports that the micro-base station sends, it is described to report information to carry to reside in the serving cell of the micro-base station All UE channel parameter；The monitoring module is specifically used for when the RTWP of the macro base station is more than predetermined power thresholding, root According to the channel parameter, each UE up channel is monitored respectively, obtains the UE to the upper of the macro base station Row interference volume.

Second with reference to the possible implementation of the first of the third aspect or the third aspect or the third aspect is possible Implementation, in the third possible implementation of the third aspect, the notification module is specifically used for the target UE Mark be sent to the micro-base station, so that the micro-base station is according to the mark of the target UE, from being resident the micro-base station In all UE in serving cell, the target UE is determined, then reduces the transmit power of the target UE.

With reference to the third possible implementation of the third aspect, in the 4th kind of possible implementation of the third aspect In, the notification module is specifically used for the uplink interference with the target UE to the macro base station by the mark of the target UE Amount, is sent to the micro-base station, so that the micro-base station is according to the mark of the target UE, from the service for being resident the micro-base station In all UE in cell, the target UE is determined, hair is determined to the uplink interference amount of the macro base station according to the target UE Power reduction amounts are sent, and the transmit power of the target UE is reduced according to the transmit power reduction amount.

Second with reference to the possible implementation of the first of the third aspect or the third aspect or the third aspect is possible 4th kind of possible implementation of the possible implementation of the third of implementation or the third aspect or the third aspect, Three aspect the 6th kind of possible implementation in, the determining module be specifically used for by the UE to the upper of the macro base station Row interference volume is more than the UE of default interference volume thresholding as the target UE.

Fourth aspect provides a kind of micro-base station, including：Sending module, the service that the micro-base station is resided in for sending are small All user equipmenies in area（UE）Channel parameter to macro base station, so as to the macro base station according to the channel parameter to each The up channel of the UE is monitored, and according to uplink interference amounts of the UE to the macro base station for monitoring acquisition, from institute The target UE that transmit power to be reduced is determined in UE is stated, wherein, the UE is in CELL-DCH states, or in CELL_FACH states； Power processing module, for the target UE notified according to the macro base station, reduce the transmit power of the target UE.

With reference to fourth aspect, in the first possible implementation of fourth aspect, the micro-base station also includes：Receive Module, request is obtained for receiving the channel parameter that the macro base station is sent, it is the grand base that the channel parameter, which obtains request, Stand determine the macro base station received total wideband power RTWP be more than predetermined power thresholding after send；The sending module is specific Asked for being obtained according to the channel parameter, sending channel parameter to the macro base station obtains response, and the channel parameter obtains Response is taken to carry the channel parameter of all UE in the serving cell for residing in the micro-base station.

With reference to fourth aspect, in second of possible implementation of fourth aspect, the sending module is specifically used for Sent to the macro base station and report information, it is described to report information to carry owning in the serving cell for residing in the micro-base station UE channel parameter.

With reference to second of possible implementation of the first possible implementation or fourth aspect of fourth aspect, In the third possible implementation of fourth aspect, the receiving module is additionally operable to receive the mesh that the macro base station is sent Mark UE mark；The power processing module is specifically used for the mark according to the target UE, from the clothes for being resident the micro-base station In all UE in cell of being engaged in, the target UE is determined, and reduce the transmit power of the target UE.

With reference to the third possible implementation of fourth aspect, in the 4th kind of possible implementation of fourth aspect In, the power processing module is specifically used for the mark according to the target UE, from the serving cell for residing in the micro-base station In all UE in, determine the target UE, the mark of the target UE added into limitations set, reduces the tune of the target UE Authorization value is spent, and controls the sending module that the scheduling authorization value after the reduction is sent into the target UE, wherein, in institute Scheduling authorization value corresponding to the mark of the UE in limitations set is stated to keep constant or reduce；The sending module is additionally operable to will be described Scheduling authorization value after power processing module reduces is sent to the target UE, to reduce the transmit power of the target UE；Or Person, the power processing module is specifically used for the mark according to the target UE, from the serving cell for residing in the micro-base station In all UE in, determine the target UE, generation power drop instruction, and control the sending module by the power drop Instruction is sent to the target UE；The sending module is additionally operable to send the power drop instruction to the target UE, with drop Low target UE transmit power.

With reference to the 4th kind of possible implementation of fourth aspect, in the 5th kind of possible implementation of fourth aspect In, the receiving module is additionally operable to receive uplink interference amounts of the target UE to the macro base station of the macro base station transmission； The power processing module is specifically used for the mark according to the target UE, from the serving cell for residing in the micro-base station In all UE, the target UE is determined, the mark of the target UE is then added into the limitations set, according to the target UE To the uplink interference amount of the macro base station, transmit power reduction amount is determined, according to the transmit power reduction amount, reduces the mesh UE scheduling authorization value is marked, and controls the sending module that the scheduling authorization value after the reduction is sent into the target UE.

With reference to the 5th kind of possible implementation of the 4th kind of possible implementation or fourth aspect of fourth aspect, In 6th kind of possible implementation of fourth aspect, the power processing module is additionally operable to judge whether to meet the target The trigger condition that UE mark is deleted from the limitations set, and when judged result is to meet, by the mark of the target UE Knowledge is deleted from the limitations set.

With reference to the 6th kind of possible implementation of fourth aspect, in the 7th kind of possible implementation of fourth aspect In, the trigger condition includes：The target UE is less than or equal to default interference volume door to the uplink interference amount of the macro base station Limit；Or the mark of the target UE is added to time of the limitations set and reaches specified time length；Or the mesh Mark UE exits Cell-DCH states or CELL_FACH states.

5th aspect provides a kind of Interference Suppression System, including any macro base station that the third aspect provides, and four directions Any micro-base station that face provides.

Disturbance restraining method, macro base station, micro-base station and system provided in an embodiment of the present invention, macro base station are micro- according to residing in The channel parameter of all UE in the serving cell of base station, is monitored each UE up channel respectively, it is determined that each UE To the uplink interference amount of macro station, and therefrom determine to need the target UE for reducing transmit power, then notify micro-base station to reduce mesh UE transmit power is marked, on the one hand reduces the interference to macro base station, on the other hand due to only to being necessary to reduce transmit power Target UE reduce transmit power, rather than the directly RTWP of reduction micro-base station, be advantageous to make full use of ascending resource, in reduction The waste of row resource.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is a kind of flow chart of disturbance restraining method provided in an embodiment of the present invention；

Fig. 2 is the flow chart of another disturbance restraining method provided in an embodiment of the present invention；

Fig. 3 is the flow chart of another disturbance restraining method provided in an embodiment of the present invention；

Fig. 4 is the flow chart of another disturbance restraining method provided in an embodiment of the present invention；

Fig. 5 is a kind of structural representation of macro base station provided in an embodiment of the present invention；

Fig. 6 is the structural representation of another macro base station provided in an embodiment of the present invention；

Fig. 7 is a kind of structural representation of micro-base station provided in an embodiment of the present invention；

Fig. 8 is the structural representation of micro-base station provided in an embodiment of the present invention.

Embodiment

To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.

In heterogeneous network, while macro base station and micro-base station be present, the cell of macro base station covering is referred to as macrocell, micro-base station The cell of covering is referred to as Microcell.In heterogeneous network, UE is likely to be at three kinds of network coverage situations：First to be that UE is in soft Switching, and serving cell is used as using macrocell；Second UE is used as serving cell close to soft handover area, and using macrocell；3rd Individual is that UE is used as serving cell close to soft handover area, and using Microcell.In a third case, the Microcell where micro-base station is born When carrying lighter, the UE close to soft handover area and using Microcell as serving cell may be allowed to send larger ascending power, this meeting Cause strong uplink interferences of these UE to macro base station.For the problem, following examples of the present invention give solution.In order to It is easy to describe, in the following embodiment of the present invention, the first UE will be referred to as the UE of serving cell using cell where micro-base station.

Fig. 1 is a kind of flow chart of disturbance restraining method provided in an embodiment of the present invention.As shown in figure 1, the present embodiment Method includes：

The channel parameter for all UE that step 101, acquisition are resided in the serving cell of micro-base station, the UE are in CELL-DCH states, or in CELL_FACH states.

It will be appreciated by those skilled in the art that UE is typically in two states：Idle pulley（Idle）And connection mode, UE Include following state again in the connection mode：CELL_DCH states, CELL_FACH states, _ FACH state, utran registration area_paging indicator channel shape State, wherein, CELL_DCH states have following feature:1st, it is assigned with a DPCH to UE in uplink and downlink, 2, root The cell being known that according to the current active sets of UE where UE, 3, UE can use descending/up shared biography of dedicated transmission channel The combination of defeated channel or these transmission channels；UE, which enters CELL_DCH states, following 2 kinds of methods：(1) UE is at the idling mode RRC connections are established on special trade therefore UE enters CELL_DCH states from idle pulley, and (2) UE is in CELL_FACH shapes Entered after being switched under state using Common transport channel by channel using dedicated transmission channel UE from CELL_FACH states CELL_DCH states；And CELL_FACH states then have following feature:1st, do not give UE distribution dedicated transmission channel, 2, UE connect It is continuous to monitor a descending FACH channel, 3, be assigned with for UE the uplink common channel of acquiescence or up shared transmission channel example As RACH enables to use in any time in access procedure, 4, UE position cell-level be known to UTRAN it is specific The cell reported when initiating cell update for UE is the last；Following action is performed in the sub- state UE of CELL_FACH:1st, monitor One FACH, 2, monitor the BCH transmission channels decoding system information of current service cell, 3, in cell be changed into another Initiate a cell updating course during UTRA cells, 4, distributed in current area unless have selected a new cell and otherwise use C-RNTI as on Common transport channel UE mark, 5, RACH upload send upstream control signaling and small data packets； Under CELL_FACH states, if data service is not activated in following period of time, UE will enter _ FACH state to reduce work( The loss of rate, and cell update is performed when UE is temporarily disengaged from _ FACH state, if UE and network side are equal after the completion of renewal No data transmission demand, it will return to CELL_PCH, and the above is the common knowledge of this area, is repeated no more.

Step 102, the channel parameter according to UE, are monitored each UE up channel respectively, obtain UE to grand base The uplink interference amount stood.

Step 103, the uplink interference amount according to UE to macro base station, the target of transmit power to be reduced is determined from the UE UE。

Step 104, target UE notified into micro-base station, so that micro-base station reduces target UE transmit power.

In all UE in residing in the serving cell of micro-base station, in Cell_DCH states or in CELL_FACH states UE can just produce interference to macro base station, so the UE described in the present embodiment refers to reside in the serving cell of micro-base station and located In Cell_DCH states or CELL_FACH states UE.In the present embodiment, serving cell of the macro base station only to residing in micro-base station In and in Cell_DCH states or CELL_FACH states UE processing, rather than all UE are handled, are advantageous to Mitigate the burden of macro base station.

In the present embodiment, UE channel parameter is primarily referred to as macro base station UE up channel is carried out monitoring required letter Breath, including at least UE mark（ID）, the channel code that uses of the scramblers that use of UE and UE.Optionally, UE channel parameter is also It can include：Modulation system that ID, UE that UE is resident Microcell are used etc..

Macro base station is obtained in the serving cell for residing in micro-base station and in CELL-DCH states or in CELL_FACH states After all UE channel parameter, according to each UE channel parameter, each UE up channel is monitored respectively.Specifically , macro base station can determine UE according to the ID of UE ID and/or UE persistent districts, scrambler, the channel then used according to UE Change the information such as code, detect the up transmission signal that the UE whether is included in the signal received.Optionally, if UE channel ginseng Number also includes the modulation systems that use of UE, then modulation system this letter that macro base station can also include that UE uses according to channel parameter Breath, further determines that the up transmission signal that UE is included in the signal received.Then, macro base station, which calculates, obtains each UE to grand The uplink interference amount of base station.Specifically, macro base station in detecting received signal include UE up transmission signal after, can Using the uplink interference amount by the received signal power of UE up transmission signal as the UE to macro base station.

After each UE is obtained to the uplink interference amount of macro base station, macro base station is it may determine that each UE is done to macro base station Disturb degree, and by each UE to the uplink interference amount of macro base station compared with default interference volume thresholding；If UE is to grand base The uplink interference amount stood is more than default interference volume thresholding, illustrates that interference of the UE to macro base station is more serious, it is necessary to reduce the UE Transmit power；If the UE is less than or equal to default interference volume thresholding to the uplink interference amount of macro base station, illustrate the UE to grand The interference of base station is not very serious, then the transmit power of the UE can not have to reduce.Based on this, macro base station can be in all The UE for being more than default interference volume thresholding to the uplink interference amount of macro base station in CELL-DCH states or UE in CELL_FACH states makees For the target UE of transmit power to be reduced.Illustrate herein, goal UE can be one or multiple.Here The concrete numerical value of default interference volume thresholding can be depending on practical application scene, by setting interference volume thresholding only to reduce More serious part UE transmit power is disturbed macro base station in all UE, is on the one hand advantageous to mitigate macro base station and micro-base station Processing load, be on the other hand advantageous to make full use of ascending resource.

Then, the target UE determined is sent to micro-base station by macro base station, in order to which micro-base station reduces target UE hair Send power.

From above-mentioned, in the present embodiment, macro base station is according in the serving cell for residing in micro-base station and being in CELL- The channel parameter of DCH states or UE in CELL_FACH states, is monitored each UE up channel, it is determined that each respectively UE therefrom determines to need the target UE for reducing transmit power to the interference volume of macro station, then notifies micro-base station to reduce target UE transmit power, the interference to macro base station is on the one hand reduced, on the other hand due to only to being necessary to reduce transmit power UE reduces transmit power, rather than directly reduces the RTWP of micro-base station, is advantageous to make full use of ascending resource, reduces ascending resource Waste.

Fig. 2 is the flow chart of another disturbance restraining method provided in an embodiment of the present invention.As shown in Fig. 2 the present embodiment Method include：

Step 201, macro base station send channel parameter to micro-base station and obtain request.

Step 202, macro base station receive the channel parameter acquisition response that micro-base station obtains request return according to the channel parameter, The channel parameter obtains response and carried in the serving cell for reside in micro-base station and in CELL-DCH states or in CELL_ The UE of FACH states channel parameter.

In the present embodiment, the UE refers to reside in the serving cell of micro-base station and in CELL-DCH states or is in The UE of CELL_FACH states.The channel parameter of the UE comprises at least：UE mark（ID）, the scramblers that use of UE and UE use Channel code.Optionally, UE channel parameter can also include：Modulation system that ID, UE that UE is resident Microcell are used etc..

Optionally, macro base station can be sent and believe when it is determined that the RTWP of macro base station is more than predetermined power thresholding to micro-base station Road parameter acquiring request, then receive the channel parameter that micro-base station is sent and obtain response.Wherein, predetermined power thresholding is in network Configured during initial deployment, the degree of the ascending load for weighing macro base station.Numerical value of the present embodiment to predetermined power thresholding Do not limit, such as be referred to about the definition of agreement or standard to the power threshold.The RTWP of macro base station is more than default work( Rate thresholding illustrates the heavier loads of macro base station, now in the serving cell to residing in micro-base station and is in CELL-DCH states or place It is poor in the tolerance for the interference that the UE of CELL_FACH states is brought, it is necessary to carry out AF panel.Specifically, macro base station can be surveyed The RTWP of macro base station is measured, and judges whether the RTWP measured is more than predetermined power thresholding, work(is preset when judging that RTWP is more than During rate thresholding, i.e., when needing to suppress interference, channel parameter is sent to micro-base station by Iub interface and obtains request, acquisition request Reside in the serving cell of micro-base station and the channel parameter in CELL-DCH states or the UE in CELL_FACH states, so The interaction between macro base station and micro-base station can be reduced, is advantageous to economize on resources.If the RTWP of macro base station is less than or equal to pre- If power threshold, illustrate the light load of macro base station, can tolerate in the serving cell for reside in micro-base station and be in CELL- The interference that DCH states or UE in CELL_FACH states are brought, it is possible to without suppressing any UE transmit power, be advantageous to Improve the utilization rate of ascending resource.

Step 203, macro base station are monitored each UE up channel, obtained according to each UE channel parameter respectively Obtain uplink interference amounts of the UE to macro base station.

The uplink interference amount of step 204, macro base station according to UE to macro base station, determines transmit power to be reduced from all UE Target UE.

Target UE is notified micro-base station by step 205, macro base station, so that micro-base station reduces target UE transmit power.

Above-mentioned steps 203- steps 205 can be found in above-mentioned steps 102-104 description, will not be repeated here.

Optionally, target UE is notified micro-base station by macro base station, so that micro-base station reduces one kind of target UE transmit power Embodiment includes：Target UE mark can be sent to micro-base station by macro base station, make mark of the micro-base station according to target UE, from Determination target UE in all UE in the serving cell of micro-base station is resided in, and reduces target UE transmit power.

Optionally, target UE mark is sent to micro-base station by macro base station, makes mark of the micro-base station according to target UE, from Determination target UE in all UE in the serving cell of micro-base station is stayed in, and reduces a kind of embodiment party of target UE transmit power Formula includes：Macro base station sends target UE mark and target UE to the uplink interference amount of macro base station it is determined that after target UE To micro-base station, so that mark of the micro-base station according to target UE, mesh is determined from all UE in the serving cell of resident micro-base station UE is marked, transmit power reduction amount is determined to the uplink interference amount of macro base station according to target UE, and reduce according to the transmit power Amount reduces target UE transmit power.

Wherein, macro base station sends the process of target UE mark to micro-base station and macro base station sends UE pairs of target to micro-base station The process of the uplink interference amount of macro base station can be two independent processes.More preferable, macro base station can be by target UE's Mark and target UE are sent to micro-base station simultaneously in a procedure to the uplink interference amount of macro base station.

Wherein, macro base station is sent target UE mark and target UE to the uplink interference amount of macro base station by Iub interface To micro-base station.

Wherein, micro-base station can using target UE to the uplink interference amount of macro base station as the transmit power for reducing target UE One reference factor, if for example, target UE is larger to the uplink interference amount of macro base station, illustrate that interference is more serious, then can will Target UE transmit power reduces higher value；If target UE is relatively small to the uplink interference amount of macro base station, illustrate to disturb phase To relatively light, then target UE transmit power can be reduced smaller value.

From above-mentioned, in the present embodiment, macro base station request is resident in the serving cell of micro-base station and is in CELL- The channel parameter of DCH states or UE in CELL_FACH states, micro-base station is according to the request of macro base station by the service of resident micro-base station All channel parameters in CELL-DCH states or the UE in CELL_FACH states are sent to macro base station, macro base station root in cell According to UE channel parameter, UE up channel is monitored respectively, it is determined that interference volumes of each UE to macro station, and therefrom determine Go out the target UE for needing to reduce transmit power, and notify micro-base station to reduce target UE transmit power, on the one hand reduce to grand The interference of base station, on the other hand due to only to being necessary that the UE for reducing transmit power reduces transmit power, and as those are apart from grand The UE of base station relatively far away from can not have to reduce transmit power, rather than directly reduce the RTWP of micro-base station, be advantageous to abundant profit With ascending resource, the waste of ascending resource is reduced.

Fig. 3 is the flow chart of another disturbance restraining method provided in an embodiment of the present invention.As shown in figure 3, the present embodiment Method include：

What step 301, macro base station received that micro-base station sends reports information, and this reports information to carry the clothes of resident micro-base station In cell of being engaged in and the channel parameter in CELL-DCH states or the UE in CELL_FACH states.

In the present embodiment, the UE refers to be resident in the serving cell of micro-base station and is in CELL-DCH states or is in The UE of CELL_FACH states, the information content that micro-base station is sent to macro base station can be so reduced, be advantageous to mitigate micro-base station and Hong Ji The processing load stood, be advantageous to save Internet resources.The channel parameter of the UE comprises at least UE mark（ID）, UE uses The channel code that scrambler and UE are used.Optionally, UE channel parameter can also include：ID, UE that UE is resident Microcell are used Modulation system etc..

In the present embodiment, micro-base station actively reports resident micro- base by the Iub interface between macro base station to macro base station In the serving cell stood and the channel parameter in CELL-DCH states or the UE in CELL_FACH states.Optionally, micro-base station can So that UE channel parameter is periodically reported to macro base station by its Iub interface between macro base station.Specifically, micro-base station will UE channel parameter carries and macro base station is reported in information is reported.Accordingly, macro base station can periodically by with micro- base Iub interface between standing receives the channel parameter for reporting information, then therefrom obtaining UE that micro-base station is sent.

Step 302, macro base station are monitored each UE up channel, obtained according to each UE channel parameter respectively Obtain uplink interference amounts of the UE to macro base station.

Optionally, macro base station can be when it is determined that the RTWP of macro base station be more than predetermined power thresholding, according to each UE letter Road parameter, each UE up channel is monitored respectively, obtain uplink interference amounts of each UE to the macro base station.Its In, the RTWP of macro base station is more than the heavier loads that predetermined power thresholding illustrates macro base station, now to residing in the service of micro-base station The tolerance of the interference brought in cell and in CELL-DCH states or the UE in CELL_FACH states is poor, it is necessary to be done Disturb suppression.Therefore, macro base station it is determined that macro base station RTWP be more than predetermined power thresholding after, i.e., need suppress interference when, Each UE up channel is monitored, and obtains each UE and the uplink interference amount to macro base station；And in macro base station When RTWP is less than or equal to predetermined power thresholding, without AF panel, the transmit power for suppressing any UE, a side can not had to Face can mitigate the processing load of macro base station, on the other hand be advantageous to improve the utilization rate of ascending resource.

The uplink interference amount of step 303, macro base station according to UE to macro base station, determines transmit power to be reduced from all UE Target UE.

Target UE is sent to micro-base station by step 304, macro base station, so that micro-base station reduces target UE transmit power.

Other associated descriptions of above-mentioned steps 302- steps 304 can be found in above-mentioned steps 102-104 description, herein no longer Repeat.

Optionally, target UE is sent to micro-base station by macro base station, so as to the one of micro-base station reduction target UE transmit power Kind embodiment includes：Target UE mark can be sent to micro-base station, so as to micro- base by macro base station it is determined that after target UE The mark stood according to target UE, target UE is determined from all UE in the serving cell of resident micro-base station, and reduce target UE Transmit power.

Optionally, target UE mark is sent to micro-base station by macro base station, so that micro-base station is according to target UE mark, from Target UE is determined in all UE in the serving cell of resident micro-base station, and reduces another implementation of target UE transmit power Mode includes：Macro base station sends out the uplink interference amount of macro base station target UE mark and target UE it is determined that after target UE Micro-base station is given, so that micro-base station is according to target UE mark, is determined from all UE in the serving cell of resident micro-base station Target UE, transmit power reduction amount is determined to the uplink interference amount of macro base station according to target UE, and according to transmit power reduction amount Reduce target UE transmit power.Description can be found in the corresponding description in embodiment illustrated in fig. 2 as described in the part, herein no longer Repeat.

From above-mentioned, in the present embodiment, micro-base station is actively reported to macro base station in the serving cell of resident micro-base station And the channel parameter in CELL-DCH states or the UE in CELL_FACH states, macro base station is according to UE channel parameter, to UE's Up channel is monitored, and determines interference volumes of the UE to macro station, therefrom determines to need the target UE for reducing transmit power, and lead to Know that micro-base station reduces target UE transmit power, on the one hand reduce the interference to macro base station, on the other hand due to only to have must Reducing the UE of transmit power reduces transmit power, and as those UE apart from macro base station relatively far away from can not have to reduce to send Power, rather than the RTWP of micro-base station is directly reduced, be advantageous to make full use of ascending resource, reduce the waste of ascending resource.

Fig. 4 is the flow chart of another disturbance restraining method provided in an embodiment of the present invention.As shown in figure 4, the present embodiment Method include：

Step 401, transmission are resident the channel parameter of all UE in the serving cell of micro-base station to macro base station, so that grand base Stand and each UE up channel is monitored according to the channel parameter, and the UE obtained according to monitoring is to the up of macro base station Interference volume, determine that the target UE, the UE of transmit power to be reduced are in CELL-DCH states from the UE, or in CELL_ FACH states.

Step 402, the target UE notified according to macro base station, reduce target UE transmit power.

The present embodiment is the description from the angle progress of micro-base station.On macro base station from the service message of resident micro-base station And determine that the target UE of transmit power to be reduced process can join in the UE in CELL-DCH states or in CELL_FACH states See the description of above-mentioned Fig. 1-embodiment illustrated in fig. 3, will not be repeated here.

Optionally, a kind of embodiment of step 401 includes：Micro-base station receives the channel parameter acquisition that macro base station is sent please Ask, it is that macro base station determines that the RTWP of macro base station is sent after being more than predetermined power thresholding that the channel parameter, which obtains request,；Micro- base Stand to be obtained according to the channel parameter and ask, sending channel parameter to macro base station obtains response, and the channel parameter obtains response and carried Have in the serving cell for residing in the micro-base station and the channel in CELL-DCH states or the UE in CELL_FACH states is joined Number.

Optionally, the another embodiment of step 401 includes：Micro-base station actively sends to macro base station and reports information, should Information is reported to carry in the serving cell for residing in the micro-base station and in CELL-DCH states or in CELL_FACH states UE channel parameter.Optionally, micro-base station can periodically send to macro base station and report information.

Illustrate herein, micro-base station is communicated with macro base station by Iub interface.

Optionally, a kind of embodiment of step 402 includes：Micro-base station receives the mark for the target UE that macro base station is sent, Micro-base station from all UE in the serving cell for residing in micro-base station, determines the target UE according to target UE mark, and Reduce target UE transmit power.

Wherein, it is determined that after target UE, reduce a kind of embodiment of target UE transmit power includes micro-base station：It is micro- Target UE mark is added limitations set by base station, reduces target UE scheduling authorization value；Micro-base station awards the scheduling after reduction Weights are sent to target UE, to reduce target UE transmit power.Specifically, micro-base station can reduce target UE absolute grant （Absolute Grant, referred to as AG）Value, is then sent to target UE, to reduce target UE transmission by the AG values after reduction Power.Or micro-base station can send to target UE and represent " down "（Decline power）Relative authorization（Relative Grant, referred to as RG）Value, to reduce target UE transmit power.

Wherein, it is determined that after target UE, reduce the another embodiment of target UE transmit power includes micro-base station： Micro-base station declines to target UE transmit powers to be indicated, to reduce target UE transmit power.Optionally, the power that micro-base station is sent It can represent the RG values of " down " to decline instruction.Specifically, micro-base station passes through Relative Grant Channels（E-DCH Relative Grant Channel, referred to as E-RGCH）The RG values for representing " down " are sent to target UE, to reduce target UE transmission work( Rate.

Optionally, because micro-base station reduces target UE transmit power, in order to ensure the quality of service to target UE, Micro-base station can improve the scheduling probability to target UE.

In this embodiment, a limitations set is pre-set in micro-base station, the UE marks institute in the limitations set The UE of mark, its scheduling authorization value keep constant or reduced, it is impossible to raise.When micro-base station receives the target UE of macro base station transmission Mark after, target UE mark is added in the limitations set first, with the rise of limited target UE scheduling authorization value.So Afterwards, micro-base station reduces target UE scheduling authorization value according to target UE mark and the scheduling authorization value after reduction is sent into mesh UE is marked, to reduce target UE transmit power；Or micro-base station declines instruction to target UE transmit powers, to reduce target UE Transmit power.

It is further alternative, in step 402, before micro-base station reduces target UE scheduling authorization value, it can also include： Micro-base station receives uplink interference amounts of the target UE to macro base station of macro base station transmission.Based on this, micro-base station reduces target UE tune Degree authorization value includes：Micro-base station target UE determines transmit power reduction amount, according to the transmission to the uplink interference amount of macro base station Power reduction amounts, reduce target UE scheduling authorization value.Specifically, micro-base station is recognized the need for mesh according to target UE mark Mark UE transmit power carries out reduction processing, at the same using target UE to the uplink interference amount of macro base station as reference factor, with true How much is the reduction of the fixed transmit power to target UE（That is transmit power reduction amount）.For example, if target UE is to the upper of macro base station Row interference volume is larger, illustrates that interference is more serious, then target UE transmit power can be reduced into higher value；If target UE is to grand The uplink interference amount of base station is relatively small, illustrates that interference is relatively light, then target UE transmit power can be reduced into smaller value.

Based on above-mentioned, micro-base station is additionally provided with the trigger condition for deleting target UE mark from limitations set, so as to Deleted in by target UE mark from limitations set.Based on this, micro-base station can decide whether to meet target UE mark The trigger condition deleted from limitations set, when judged result for when meeting, micro-base station is by target UE mark from limitations set Middle deletion.After target UE mark is deleted from limitations set, it is meant that relieve the limitation of the transmit power to target UE.

In an optional embodiment, the trigger condition be target UE the uplink interference amount of the macro base station is less than or Equal to default interference volume thresholding.Then micro-base station judges whether to meet the trigger condition for deleting second UE mark from limitations set Process include：Micro-base station judges whether target UE is less than or equal to default interference volume thresholding to the uplink interference amount of macro base station, If it is judged that it is yes, it is determined that meet trigger condition.

In an optional embodiment, the trigger condition is that the mark of the target UE is added to the limitations set Time reaches specified time length.Then micro-base station judges whether to meet the triggering for deleting target UE mark from limitations set The process of condition includes：Micro-base station judge target UE mark be added to limitations set time whether reach specified time length Degree, if it is judged that to reach, it is determined that meet trigger condition.Specifically, micro-base station can pre-set a timer, Timing is carried out for time of the mark to target UE in limitations set, when timer timing terminates（That is target UE mark Time in limitations set reaches specified time length）When, micro-base station deletes target UE mark from limitations set.

In an optional embodiment, the trigger condition is that the target UE exits Cell-DCH states or CELL_FACH State.Then the process for the trigger condition that micro-base station judges whether to meet to delete target UE mark from limitations set includes：It is micro- Base station judges whether target UE exits Cell-DCH states or CELL_FACH states, if target UE exits Cell-DCH states or CELL_ FACH states, it is determined that meet the trigger condition.Based on this, micro-base station may determine that target UE whether exit Cell-DCH states or CELL_FACH states, when target UE exits Cell-DCH states or CELL_FACH states, micro-base station is by target UE mark from limitation Deleted in set.

From above-mentioned, in the present embodiment, micro-base station sends in the serving cell of resident micro-base station and located to macro base station In Cell-DCH states or the UE of CELL_FACH states channel parameter so that macro base station is according to UE channel parameter, respectively to UE's Up channel is monitored, and obtains uplink interference amounts of each UE to macro base station, and needs are determined according to the uplink interference amount The target UE of transmit power is reduced, and target UE is sent to micro-base station, micro-base station reduces to target UE transmit power Processing, on the one hand reduces the interference to macro base station, on the other hand due to only to being necessary that the UE for reducing transmit power reduces hair Send power, and as those UE apart from macro base station relatively far away from can not have to reduce transmit power, rather than directly reduce micro- base The RTWP to stand, be advantageous to make full use of ascending resource, reduce the waste of ascending resource.

Fig. 5 is a kind of structural representation of macro base station provided in an embodiment of the present invention.As shown in figure 5, the present embodiment is grand Base station includes：Acquisition module 51, monitor module 52, determining module 53 and notification module 54.

Acquisition module 51, the channel parameter of all UE in serving cell for obtaining resident micro-base station, wherein described UE is in CELL-DCH states, or in CELL_FACH states.

Module 52 is monitored, is connected with acquisition module 51, for the channel parameter obtained according to acquisition module 51, respectively to every Individual UE up channel is monitored, and obtains uplink interference amounts of the UE to the present embodiment macro base station.

Determining module 53, with monitor module 52 be connected, for according to monitor module 52 obtain UE to the grand base of the present embodiment The uplink interference amount stood, the target UE of transmit power to be reduced is determined from the UE.

Notification module 54, it is connected with determining module 53, the target UE for determining module 53 to be determined notifies micro-base station, with Just micro-base station reduces target UE transmit power.

In an optional embodiment, acquisition module 51 is particularly used in be preset when the RTWP of the present embodiment macro base station is more than During power threshold, send channel parameter to micro-base station and obtain request, and receive micro-base station and returned according to channel parameter acquisition request The channel parameter returned obtains response, and the channel parameter obtains response and carries in the serving cell for residing in the micro-base station and locate In CELL-DCH states or the channel parameter of UE in CELL_FACH states.

In an optional embodiment, acquisition module 51 be particularly used in receive that micro-base station sends report information, on this Breath of notifying carries in the serving cell for reside in micro-base station and the letter in CELL-DCH states or the UE in CELL_FACH states Road parameter.Based on this, monitor module 52 and be particularly used in when the RTWP of the present embodiment macro base station is more than predetermined power thresholding, root The channel parameter obtained according to acquisition module 51, is monitored each UE up channel respectively, and it is grand to the present embodiment to obtain UE The uplink interference amount of base station.

In an optional embodiment, notification module 54 is specifically used for target UE mark being sent to micro-base station, so as to Micro-base station from all UE in the serving cell of resident micro-base station, determines target UE, and reduce mesh according to target UE mark Mark UE transmit power.

Further, notification module 54 is specifically used for target UE mark and target UE to the up of the present embodiment macro base station Interference volume, micro-base station is sent to, so that micro-base station is according to target UE mark, from owning in the serving cell of resident micro-base station In UE, target UE is determined, the uplink interference amount according to target UE to the present embodiment macro base station, determines transmit power reduction amount, and UE transmit power is reduced according to the transmit power reduction amount.

In an optional embodiment, determining module 53, which is particularly used in, in the serving cell of resident micro-base station and to be in In CELL-DCH states or UE in CELL_FACH states, default interference volume is more than to the uplink interference amount of the present embodiment macro base station The UE of thresholding is as target UE.

In an optional embodiment, the channel parameter of the UE comprises at least：Scrambler that UE mark ID, UE is used and The channel code that UE is used.

Each functional module for the macro base station that the present embodiment provides can be used for performing disturbance restraining method shown in above-mentioned Fig. 1-Fig. 3 The flow of embodiment, its concrete operating principle repeat no more, and refer to the description of embodiment of the method.

The macro base station that the present embodiment provides, according in the serving cell of resident micro-base station and in CELL-DCH states or being in The UE of CELL_FACH states channel parameter, UE up channel is monitored respectively, determine uplink interferences of the UE to macro base station Amount, therefrom determine to need the target UE for reducing transmit power, and notify micro-base station, so that micro-base station reduces these targets UE's Transmit power, the interference to the present embodiment macro base station is on the one hand reduced, on the other hand due to only sending work(to being necessary to reduce The UE of rate reduces transmit power, rather than directly reduces the RTWP of micro-base station, is advantageous to make full use of ascending resource, reduces up The waste of resource.

Fig. 6 is the structural representation of another macro base station provided in an embodiment of the present invention.As shown in fig. 6, the present embodiment Macro base station includes：Communication interface 61, processor 62 and memory 63.

Communication interface 61, all UE of the serving cell for obtaining resident micro-base station channel parameter, and handling After the target UE for the transmit power to be reduced that device 62 is determined from the UE, target U is notified into micro-base station, so that micro-base station drops Low target UE transmit power.Wherein, the UE in the serving cell of above-mentioned resident micro-base station is in CELL-DCH states, or is in CELL_FACH states.

Memory 63, for depositing program.Specifically, program can include program code, and described program code includes meter Calculation machine operational order.Memory 63 may include high-speed RAM memory, it is also possible to also including nonvolatile memory（non- volatile memory）, a for example, at least magnetic disk storage.

Processor 62, for configuration processor, for the UE obtained according to communication interface 61 channel parameter, respectively to every Individual UE up channel is monitored, and obtains uplink interference amounts of the UE to the present embodiment macro base station, and according to UE to this implementation The uplink interference amount of example macro base station, the target UE of transmit power to be reduced is determined from the UE.Optionally, processor 62 is specific The UE of default interference volume thresholding is more than as target UE to the uplink interference amount of the present embodiment macro base station available for using in the UE.

Processor 62 is probably a central processing unit（Central Processing Unit, referred to as CPU）, or It is specific integrated circuit（Application Specific Integrated Circuit, referred to as ASIC）, or by with It is set to the one or more integrated circuits for implementing the embodiment of the present invention.

In an optional embodiment, processor 62 is additionally operable to provide the RTWP of the present embodiment macro base station to communication interface 61 More than the result of predetermined power thresholding.Based on this, communication interface 61 is particularly used in be more than in the RTWP of the present embodiment macro base station During predetermined power thresholding, send channel parameter to micro-base station and obtain request, and receive micro-base station and asked according to channel parameter acquisition The channel parameter of return is asked to obtain response, the channel parameter obtains response and carries in the serving cell for reside in micro-base station and locate In CELL-DCH states or the channel parameter of UE in CELL_FACH states.

In an optional embodiment, communication interface 61 be particularly used in receive that micro-base station sends report information, on this Breath of notifying carries in the serving cell for reside in micro-base station and the letter in CELL-DCH states or the UE in CELL_FACH states Road parameter.

Based on this, processor 62 is particularly used in when the RTWP of the present embodiment macro base station is more than predetermined power thresholding, root The UE obtained according to communication interface 61 channel parameter, is monitored each UE up channel respectively, obtains UE to macro base station Uplink interference amount.

In an optional embodiment, target UE is notified micro-base station by communication interface 61, so that micro-base station reduces target UE The mode of transmit power include：Communication interface 61 is specifically used for target UE mark being sent to micro-base station, so as to micro-base station According to target UE mark, it is resident in all UE in the serving cell of micro-base station, determines target UE, and reduce target UE hair Send power.

Further, communication interface 61 is specifically used for target UE mark and target UE to the up of the present embodiment macro base station Interference volume is sent to micro-base station, so that micro-base station is according to target UE mark, from owning in the serving cell of resident micro-base station In UE, target UE is determined, the uplink interference amount according to target UE to the present embodiment macro base station, determines transmit power reduction amount, and Target UE transmit power is reduced according to the transmit power reduction amount.

Optionally, in specific implementation, if communication interface 61, processor 62 and the independent realization of memory 63, communicate Interface 61, processor 62 and memory 63 can be connected with each other by bus and complete mutual communication.The bus can be with It is industry standard architecture（Industry Standard Architecture, referred to as ISA）Bus, external equipment interconnection （Peripheral Component, referred to as PCI）Bus or extended industry-standard architecture（Extended Industry Standard Architecture, referred to as EISA）Bus etc..The bus can be divided into address bus, data/address bus, control Bus processed etc..For ease of representing, only represented in Fig. 6 with a thick line, it is not intended that an only bus or a type of Bus.

Optionally, in specific implementation, if communication interface 61, processor 62 and memory 63 are integrated on one chip Realize, then communication interface 61, processor 62 and memory 63 can be completed by internal interface it is identical between communication.

The macro base station that the present embodiment provides can be used for the stream for performing disturbance restraining method embodiment shown in above-mentioned Fig. 1-Fig. 3 Journey, its concrete operating principle repeat no more, and refer to the description of embodiment of the method.

The macro base station that the present embodiment provides, according in the serving cell of resident micro-base station and in CELL-DCH states or being in The UE of CELL_FACH states channel parameter, these UE up channel is monitored respectively, it is determined that each UE is to macro base station Uplink interference amount, therefrom determine to need the target UE for reducing transmit power, and notify micro-base station, so that micro-base station reduces these Target UE transmit power, the interference to the present embodiment macro base station is on the one hand reduced, on the other hand due to only to being necessary to drop The UE of low transmit power reduces transmit power, rather than directly reduces the RTWP of micro-base station, is advantageous to make full use of ascending resource, Reduce the waste of ascending resource.

Fig. 7 is a kind of structural representation of micro-base station provided in an embodiment of the present invention.As shown in fig. 7, the present embodiment is micro- Base station includes：Sending module 71 and power processing module 73.

Sending module 71, the channel parameter of all UE in serving cell for sending resident the present embodiment micro-base station, So that macro base station is monitored each UE up channel according to the channel parameter, and the UE obtained according to monitoring is to grand base The uplink interference amount stood, the target UE of transmit power to be reduced is determined from the UE.Wherein, the clothes of above-mentioned resident micro-base station UE in business cell is in CELL-DCH states, or in CELL_FACH states.

Power processing module 73, be connected with sending module 71, for sending module 71 send UE channel parameter after, The target UE notified according to macro base station, reduce target UE transmit power.

In an optional embodiment, as shown in fig. 7, the micro-base station of the present embodiment also includes receiving module 72.Receive mould The channel parameter that block 72 is used to receive macro base station transmission obtains request, and it is that macro base station determines grand base that the channel parameter, which obtains request, The RTWP to stand is sent after being more than predetermined power thresholding.Sending module 71 is particularly used in the channel received according to receiving module 72 Parameter acquiring is asked, and sending channel parameter to macro base station obtains response, and channel parameter acquisition response, which carries, resides in micro- base In the serving cell stood and the channel parameter in CELL-DCH states or the UE in CELL_FACH states.Sending module 71 is with connecing Module 72 is received to connect.

In an optional embodiment, sending module 71, which is particularly used in send to macro base station, reports information, reports information Carry in the serving cell for reside in micro-base station and the channel in CELL-DCH states or the UE in CELL_FACH states is joined Number.

In an optional embodiment, receiving module 72 is additionally operable to receive the mark for the target UE that macro base station is sent.It is based on This, power processing module 73 is particularly used in the mark according to target UE, from the serving cell of resident the present embodiment micro-base station All UE in, determine target UE, and reduce target UE transmit power.Further, power processing module 73 is particularly used in According to target UE mark, from all UE in the serving cell of resident the present embodiment micro-base station, target UE is determined, by target UE mark adds limitations set, reduces target UE scheduling authorization value, and controls sending module 71 to award the scheduling after reduction Weights are sent to target UE.Scheduling authorization value corresponding to the mark of UE wherein in the limitations set keeps constant or drop It is low.Accordingly, sending module 71 is additionally operable under the control of power processing module 73, the tune after power processing module 73 is reduced Degree authorization value is sent to target UE, to reduce target UE transmit power.Specifically, power processing module 73 can reduce target UE AG values or generation represent the RG values of " down ", the AG values after processing or RG values are supplied into sending module 71, by transmission mould AG values after processing or RG values are sent to target UE by block 71, to reduce target UE transmit power.

Or power processing module 73 is particularly used in the mark according to target UE, from resident the present embodiment micro-base station In all UE in serving cell, target UE, generation power drop instruction are determined, and control sending module 71 to refer to power drop Show and be sent to target UE.Sending module 71 is specifically additionally operable under the control of power processing module 73, to target UE transmit powers Decline instruction, to reduce target UE transmit power.Specifically, sending module 71 by E-RGCH under target UE transmit powers Drop instruction, to reduce target UE transmit power.Power processing module 73 is connected with receiving module 72.

In an optional embodiment, receiving module 72 is additionally operable to receive the target UE of macro base station transmission to the upper of macro base station Row interference volume.Accordingly, power processing module 73 is particularly used in the mark according to target UE, from resident the present embodiment micro-base station Serving cell in all UE in, target UE is determined, and target UE mark is added into limitations set, according to target UE to grand The uplink interference amount of base station, determines transmit power reduction amount, and according to the transmit power reduction amount, the scheduling for reducing target UE is awarded Weights, and control sending module 71 that the scheduling authorization value after reduction is sent into target UE.Accordingly, sending module 71 is additionally operable to Under the control of power processing module 73, the scheduling authorization value after power processing module 73 is reduced is sent to target UE, with drop Low target UE transmit power.

In an optional embodiment, based on above-mentioned limitations set, power processing module 73 is additionally operable to judge whether to meet The trigger condition that target UE mark is deleted from limitations set, and when judged result is to meet, by target UE mark Deleted from limitations set.

Optionally, the trigger condition can be that target UE is less than or equal to default interference to the uplink interference amount of macro base station Thresholding is measured, then power processing module 73 is used to judge whether to meet the triggering bar for deleting target UE mark from limitations set Part includes：Power processing module 73 is specifically used for judging that target UE is preset to whether the uplink interference amount of macro base station is less than or equal to Interference volume thresholding, if it is judged that being yes, it is determined that meet the trigger condition.

Or the trigger condition is when can be added to time of the limitations set for target UE mark and reaching specified Between length.Then power processing module 73 is used to judge whether to meet the triggering bar for deleting target UE mark from limitations set Part includes：Power processing module 73, which is particularly used in, judges that target UE mark is added to whether time of limitations set reaches finger Fix time length, if it is judged that to reach, it is determined that meet the trigger condition.

Or the trigger condition can be that target UE exits Cell-DCH states or CELL_FACH states.Then Power Processing mould Block 73 is used to judge whether to meet to include the trigger condition that target UE mark is deleted from limitations set：Power processing module 73 are particularly used in and judge whether target UE exits Cell-DCH states or CELL_FACH states, if target UE exits Cell-DCH State or CELL_FACH states, it is determined that meet the trigger condition.

Each functional module for the micro-base station that the present embodiment provides can be used for performing disturbance restraining method embodiment shown in Fig. 4 Flow, its concrete operating principle repeat no more, and refer to the description of embodiment of the method.

The micro-base station that the present embodiment provides, sent to macro base station in the serving cell of resident micro-base station and be in Cell-DCH All UE of state or CELL_FACH states channel parameter so that macro base station ceases according to UE channel parameter, respectively to each UE's Up channel is monitored, and obtains uplink interference amounts of the UE to macro base station, and then determined from the UE according to uplink interference amount Go out the target UE for needing to reduce transmit power, and notify micro-base station, micro-base station reduces these targets UE transmit power, on the one hand The interference to macro base station is reduced, on the other hand due to only to being necessary that the UE for reducing transmit power reduces transmit power, and picture Those can not have to reduce transmit power, rather than the directly RTWP of reduction micro-base station apart from macro base station UE relatively far away from, have Beneficial to ascending resource is made full use of, the waste of ascending resource is reduced.

Fig. 8 is the structural representation of micro-base station provided in an embodiment of the present invention.As shown in figure 8, the micro-base station of the present embodiment Including：Communication interface 81, processor 82 and memory 83.

Communication interface 81, the channel parameter of all UE in serving cell for sending resident the present embodiment micro-base station, So that macro base station is monitored each UE up channel according to the channel parameter, and the UE obtained according to monitoring is to grand base The uplink interference amount stood, the target UE of transmit power to be reduced is determined from the UE.Wherein, the clothes of above-mentioned resident micro-base station UE in business cell is in Cell-DCH states, or in CELL_FACH states.

Memory 83, for depositing program.Specifically, program can include program code, and described program code includes meter Calculation machine operational order.Memory 83 may include high-speed RAM memory, it is also possible to also including nonvolatile memory（non- volatile memory）, a for example, at least magnetic disk storage.

Processor 82, for configuration processor, after sending the channel parameter in communication interface 81, according to grand base The target UE for notice of standing, reduce target UE transmit power.

Processor 82 is probably a CPU, or specific ASIC, or is arranged to implement the embodiment of the present invention One or more integrated circuits.

In an optional embodiment, communication interface 81 is particularly used in the channel parameter acquisition that reception macro base station is sent please Ask, it is that macro base station determines that the RTWP of macro base station is sent after being more than predetermined power thresholding that the channel parameter, which obtains request, and root Asked according to channel parameter acquisition, sending channel parameter to macro base station obtains response, and channel parameter acquisition response, which carries, stays Stay in the serving cell of micro-base station and the channel parameter in CELL-DCH states or the UE in CELL_FACH states.

In an optional embodiment, communication interface 81, which is particularly used in send to macro base station, reports information, reports information Carry in the serving cell for reside in micro-base station and the channel in CELL-DCH states or the UE in CELL_FACH states is joined Number.

In an optional embodiment, communication interface 81 is additionally operable to receive the mark for the target UE that macro base station is sent, and carries Supply processor 82.Processor 82 is particularly used in the target UE received according to communication interface 81 mark, from this resident implementation In all UE in the serving cell of example micro-base station, the target UE is determined, and reduce target UE transmit power.Further, Processor 82 is particularly used in the mark according to target UE, all UE from the serving cell of resident the present embodiment micro-base station In, the target UE is determined, the mark of the target UE is added into limitations set, reduces target UE scheduling authorization value, and will Scheduling authorization value after reduction is supplied to communication interface 81.Scheduling is awarded corresponding to the mark of UE wherein in the limitations set Weights keep constant or reduced.Accordingly, communication interface 81 is additionally operable under the control of processor 82, and the scheduling after reduction is awarded Weights are sent to target UE, to reduce target UE transmit power.

Or processor 82 is particularly used in the mark according to target UE, from the serving cell for residing in the micro-base station In all UE in, determine the target UE, generation power drop instruction, and power drop instruction is supplied to communication interface 81.Communication interface 81 is additionally operable under the control of processor 82, is declined to target UE transmit powers and is indicated, to reduce target UE's Transmit power.Indicated specifically, communication interface 81 is declined by E-RGCH to target UE transmit powers, to reduce target UE hair Send power.

In an optional embodiment, communication interface 81 is additionally operable to receive the target UE of macro base station transmission to the upper of macro base station Row interference volume, and it is supplied to processor 82.Accordingly, processor 82 is particularly used in the mark according to target UE, from resident sheet In all UE in the serving cell of embodiment micro-base station, the target UE is determined, the mark of the target UE is added into limitation Set, and the uplink interference amount according to the target UE to the macro base station, determine transmit power reduction amount, according to the transmission Power reduction amounts, reduce target UE scheduling authorization value, and the scheduling authorization value after reduction is supplied into communication interface 81.Accordingly , communication interface 81 is additionally operable under the control of processor 82, and the scheduling authorization value after reduction is sent into target UE, to reduce Target UE transmit power.

Based on above-mentioned limitations set, processor 82 is additionally operable to judge whether to meet by target UE mark from limitations set The trigger condition of deletion, and when judged result is to meet, target UE mark is deleted from limitations set.

Optionally, the trigger condition can be less than or equal to default for target UE to the uplink interference amount of the macro base station Interference volume thresholding.Then processor 82 is used to judge whether to meet the trigger condition for deleting target UE mark from limitations set Including：Processor 82 is specifically used for judging whether target UE is less than or equal to default interference volume door to the uplink interference amount of macro base station Limit, if it is judged that being yes, it is determined that meet the trigger condition.

Or the trigger condition is when can be added to time of the limitations set for target UE mark and reaching specified Between length.Then processor 82 is used to judge whether to meet the trigger condition bag for deleting target UE mark from limitations set Include：Processor 82 be particularly used in judge target UE mark be added to limitations set time whether reach specified time length Degree, if it is judged that to reach, it is determined that meet the trigger condition.

Or the trigger condition can be that target UE exits Cell-DCH states or CELL_FACH states.Then processor 82 is used In judging whether to meet to include the trigger condition that target UE mark is deleted from limitations set：Processor 82 is particularly used in Judge whether the 2nd UE exits Cell-DCH states or CELL_FACH states, if the 2nd UE exits Cell-DCH states or CELL_FACH State, it is determined that meet the trigger condition.

Optionally, in specific implementation, if communication interface 81, processor 82 and the independent realization of memory 83, communicate Interface 81, processor 82 and memory 83 can be connected with each other by bus and complete mutual communication.The bus can be with It is isa bus, pci bus or eisa bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For It is easy to represent, is only represented in Fig. 8 with a thick line, it is not intended that an only bus or a type of bus.

Optionally, in specific implementation, if communication interface 81, processor 82 and memory 83 are integrated on one chip Realize, then communication interface 81, processor 82 and memory 83 can be completed by internal interface it is identical between communication.

The micro-base station that the present embodiment provides can be used for the flow for performing disturbance restraining method embodiment shown in Fig. 4, and its is specific Operation principle repeats no more, and refers to the description of embodiment of the method.

The micro-base station that the present embodiment provides, sent to macro base station in the serving cell of resident micro-base station and be in Cell-DCH All UE of state or CELL_FACH states channel parameter so that macro base station is according to UE channel parameter, respectively to the upper of each UE Row channel is monitored, and obtains uplink interference amounts of the UE to macro base station, and then determined from the UE according to uplink interference amount The target UE of reduction transmit power is needed, and notifies micro-base station, micro-base station reduces these targets UE transmit power, on the one hand drops The low interference to macro base station, on the other hand due to only to being necessary that the UE for reducing transmit power reduces transmit power, and as that The UE apart from macro base station relatively far away from can not have to reduce transmit power a bit, rather than directly reduce the RTWP of micro-base station, favorably In making full use of ascending resource, the waste of ascending resource is reduced.

The embodiment of the present invention provides a kind of heterogeneous network system, includes the micro-base station and above-described embodiment of above-described embodiment offer The macro base station of offer.On micro-base station and macro base station operation principle and realize that structure will not be repeated here, refer to above-mentioned reality Apply the description of example.

The heterogeneous network system that the present embodiment provides can also be including UE etc..

The heterogeneous network system that the present embodiment provides can be used for the flow for performing above-mentioned disturbance restraining method embodiment, on the one hand The interference to macro base station is reduced, on the other hand due to only to being necessary that the UE for reducing transmit power reduces transmit power, and picture Those can not have to reduce transmit power, rather than the directly RTWP of reduction micro-base station apart from macro base station UE relatively far away from, have Beneficial to ascending resource is made full use of, the waste of ascending resource is reduced.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or Person's CD etc. is various can be with the medium of store program codes.

Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims

A kind of 1. disturbance restraining method, it is characterised in that including：

The channel parameter of the user equipment (UE) in the serving cell for residing in micro-base station is obtained, wherein, the UE is in CELL_ DCH states, or in CELL_FACH states；

According to the channel parameter, each UE up channel is monitored respectively, obtains the UE to macro base station Uplink interference amount；

According to the uplink interference amount, the target UE of transmit power to be reduced is determined from the UE；

The target UE is notified into the micro-base station, so that the micro-base station reduces the transmit power of the target UE.
2. disturbance restraining method according to claim 1, it is characterised in that the service that the acquisition resides in micro-base station is small The channel parameter of UE in area, including：

When the received total wideband power RTWP of the macro base station is more than predetermined power thresholding, channel ginseng is sent to the micro-base station Number obtains request；

Receive the channel parameter acquisition response that the micro-base station obtains request return according to the channel parameter, the channel parameter Obtain the channel parameter that response carries the UE in the serving cell for residing in the micro-base station.
3. disturbance restraining method according to claim 1, it is characterised in that the service that the acquisition resides in micro-base station is small The channel parameter of UE in area, including：

The information that reports of the micro-base station transmission is received, it is described to report information to carry the serving cell for residing in the micro-base station In UE channel parameter；

It is described according to the channel parameter, each UE up channel is monitored respectively, obtains the UE to grand base The uplink interference amount stood, including：

When the RTWP of the macro base station is more than predetermined power thresholding, according to the channel parameter, respectively to each UE's Up channel is monitored, and obtains uplink interference amounts of the UE to the macro base station.
4. according to the disturbance restraining method described in claim any one of 1-3, it is characterised in that described to notify the target UE The micro-base station, so that the micro-base station reduces the transmit power of the target UE, including：

The mark of the target UE is sent to the micro-base station, so that the micro-base station is according to the mark of the target UE, from The target UE is determined in the UE being resident in the serving cell of the micro-base station, and reduces the transmit power of the target UE.
5. disturbance restraining method according to claim 4, it is characterised in that the mark by the target UE is sent to The micro-base station, so that the micro-base station is according to the mark of the target UE, from the serving cell for being resident the micro-base station The target UE is determined in UE, and reduces the transmit power of the target UE, including：

By the mark of the target UE and the target UE to the uplink interference amount of the macro base station, the micro-base station is sent to, So that the micro-base station is according to the mark of the target UE, determined from the UE in the serving cell for being resident the micro-base station described in Target UE, transmit power reduction amount is determined to the uplink interference amount of the macro base station according to the target UE, and according to the hair Power reduction amounts are sent to reduce the transmit power of the target UE.
6. disturbance restraining method according to claim 1, it is characterised in that it is described according to the uplink interference amount, from institute The target UE that transmit power to be reduced is determined in UE is stated, including：

The UE of default interference volume thresholding is more than as the target UE to the uplink interference amount of the macro base station using in the UE.
7. disturbance restraining method according to claim 1, it is characterised in that the channel parameter comprises at least：The UE Identify, the scrambler and channel code that the UE is used.
A kind of 8. disturbance restraining method, it is characterised in that including：

The channel parameter of the user equipment (UE) in the serving cell for residing in micro-base station is sent to macro base station, so as to the macro base station Each UE up channel is monitored according to the channel parameter, and the UE obtained according to monitoring is to described grand The uplink interference amount of base station, the target UE of transmit power to be reduced is determined from the UE, wherein, the UE is in CELL-DCH State, or in CELL_FACH states；

The target UE notified according to the macro base station, reduce the transmit power of the target UE.
9. disturbance restraining method according to claim 8, it is characterised in that the service that the transmission resides in micro-base station is small The channel parameter of UE in area to macro base station, including：

Receive the letter that the macro base station is sent when the received total wideband power RTWP of the macro base station is more than predetermined power thresholding Road parameter acquiring request；

Obtained and asked according to the channel parameter, sending channel parameter to the macro base station obtains response, and the channel parameter obtains Response is taken to carry the channel parameter of the UE in the serving cell for residing in the micro-base station.
10. disturbance restraining method according to claim 8, it is characterised in that described to send the service for residing in micro-base station The channel parameter of UE in cell to macro base station, including：

Sent to the macro base station and report information, it is described to report information to carry to reside in the serving cell of the micro-base station UE channel parameter.
11. according to the disturbance restraining method described in claim any one of 8-10, it is characterised in that described according to the macro base station The target UE of notice, the transmit power of the target UE is reduced, including：

Receive the mark for the target UE that the macro base station is sent；

According to the mark of the target UE, from the UE in the serving cell for residing in the micro-base station, the target UE is determined, And reduce the transmit power of the target UE.
12. disturbance restraining method according to claim 11, it is characterised in that the transmission work(for reducing the target UE Rate, including：

The mark of the target UE is added into limitations set, and reduces the scheduling authorization value of the target UE, by the tune after reduction Degree authorization value is sent to the target UE, to reduce the transmit power of the target UE, wherein, the UE in the limitations set Mark corresponding to scheduling authorization value keep it is constant or reduce；Or

Decline to the target UE transmit powers and indicate, to reduce the transmit power of the target UE.
13. disturbance restraining method according to claim 12, it is characterised in that the scheduling for reducing the target UE is awarded Before weights, in addition to：

Receive uplink interference amounts of the target UE to the macro base station of the macro base station transmission；

The scheduling authorization value for reducing the target UE, including：

Uplink interference amount according to the target UE to the macro base station, determines transmit power reduction amount, according to the transmission work( Rate reduction amount, reduce the scheduling authorization value of the target UE.
14. the disturbance restraining method according to claim 12 or 13, it is characterised in that also include：

Judge whether to meet the trigger condition for deleting the mark of the target UE from the limitations set；

If it is judged that to meet, the mark of the target UE is deleted from the limitations set.
15. disturbance restraining method according to claim 14, it is characterised in that the trigger condition includes：

The target UE is less than or equal to default interference volume thresholding to the uplink interference amount of the macro base station；

Or

The time that the mark of the target UE is added to the limitations set reaches specified time length；

Or

The target UE exits Cell-DCH states or CELL_FACH states.
16. disturbance restraining method according to claim 8, it is characterised in that the channel parameter comprises at least：The UE Identify, the scrambler and channel code that the UE is used.
A kind of 17. macro base station, it is characterised in that including：

Acquisition module, for obtaining the channel parameter of the user equipment (UE) in the serving cell for residing in micro-base station, wherein, it is described UE is in CELL-DCH states, or in CELL_FACH states；

Module is monitored, for according to the channel parameter, monitoring respectively each UE up channel, described in acquisition Uplink interference amounts of the UE to the macro base station；

Determining module, for according to the uplink interference amount, determining the target UE of transmit power to be reduced from the UE；

Notification module, for the target UE to be notified into the micro-base station, so that the micro-base station reduces the hair of the target UE Send power.
18. macro base station according to claim 17, it is characterised in that the acquisition module is specifically used for working as the macro base station Received total wideband power RTWP when being more than predetermined power thresholding, send channel parameter to the micro-base station and obtain request, and connect The channel parameter acquisition response that the micro-base station obtains request return according to the channel parameter is received, the channel parameter, which obtains, to be rung The channel parameter of the UE in the serving cell for residing in the micro-base station should be carried.
19. macro base station according to claim 17, it is characterised in that the acquisition module is specifically used for receiving micro- base Stand send report information, the channel ginseng for reporting information to carry the UE in the serving cell for residing in the micro-base station Number；

The monitoring module is specifically used for when the RTWP of the macro base station is more than predetermined power thresholding, is joined according to the channel Number, monitors each UE up channel, obtains uplink interference amounts of the UE to the macro base station respectively.
20. according to the macro base station described in claim any one of 17-19, it is characterised in that the notification module is specifically used for will The mark of the target UE is sent to the micro-base station, so that the micro-base station is according to the mark of the target UE, from resident institute State in the UE in the serving cell of micro-base station, determine the target UE, then reduce the transmit power of the target UE.
21. macro base station according to claim 20, it is characterised in that the notification module is specifically used for the target UE Mark and the target UE to the uplink interference amount of the macro base station, the micro-base station is sent to, so as to the micro-base station root According to the mark of the target UE, from the UE in the serving cell for being resident the micro-base station, the target UE is determined, according to described Target UE determines transmit power reduction amount to the uplink interference amount of the macro base station, and is reduced according to the transmit power reduction amount The transmit power of the target UE.
22. macro base station according to claim 17, it is characterised in that the determining module is specifically used for will be right in the UE The uplink interference amount of the macro base station is more than the UE of default interference volume thresholding as the target UE.
23. macro base station according to claim 17, it is characterised in that the channel parameter comprises at least：The mark of the UE Know, the scrambler and channel code that the UE is used.
A kind of 24. micro-base station, it is characterised in that including：

Sending module, for sending the channel parameter of the user equipment (UE) in the serving cell for residing in the micro-base station to grand base Stand, so that the macro base station is monitored each UE up channel according to the channel parameter, and obtained according to monitoring The UE taken determines the target UE of transmit power to be reduced to the uplink interference amount of the macro base station from the UE, wherein, The UE is in CELL-DCH states, or in CELL_FACH states；

Power processing module, for the target UE notified according to the macro base station, reduce the transmit power of the target UE.
25. micro-base station according to claim 24, it is characterised in that also include：

Receiving module, request is obtained for receiving the channel parameter that the macro base station is sent, the channel parameter, which obtains request, is The macro base station determines that the received total wideband power RTWP of the macro base station is sent after being more than predetermined power thresholding；

The sending module, which is specifically used for being obtained according to the channel parameter, asks, and sending channel parameter to the macro base station obtains Response, the channel parameter obtain the channel parameter that response carries the UE in the serving cell for residing in the micro-base station.
26. micro-base station according to claim 24, it is characterised in that the sending module is specifically used for the macro base station Transmission reports information, the channel parameter for reporting information to carry the UE in the serving cell for residing in the micro-base station.
27. micro-base station according to claim 25, it is characterised in that the receiving module is additionally operable to receive the macro base station The target UE sent mark；

The power processing module is specifically used for the mark according to the target UE, from the serving cell for being resident the micro-base station UE in, determine the target UE, and reduce the transmit power of the target UE.
28. micro-base station according to claim 27, it is characterised in that the power processing module is specifically used for according to Target UE mark, from the UE in the serving cell for residing in the micro-base station, the target UE is determined, by the target UE Mark add limitations set, reduce the scheduling authorization value of the target UE, and control the sending module by after the reduction Scheduling authorization value be sent to the target UE, wherein, scheduling authorization value corresponding to the mark of the UE in the limitations set Keep constant or reduce；

The sending module is additionally operable to the scheduling authorization value after the power processing module is reduced and is sent to the target UE, with Reduce the transmit power of the target UE；

Or

The power processing module is specifically used for the mark according to the target UE, from the serving cell for residing in the micro-base station In UE in, determine the target UE, generation power drop instruction, and control the sending module to indicate the power drop It is sent to the target UE；

The sending module is additionally operable to send the power drop instruction to the target UE, to reduce the transmission of the target UE Power.
29. micro-base station according to claim 28, it is characterised in that the receiving module is additionally operable to receive the macro base station Uplink interference amounts of the target UE sent to the macro base station；

The power processing module is specifically used for the mark according to the target UE, from the serving cell for residing in the micro-base station In UE in, determine the target UE, the mark of the target UE then added into the limitations set, according to the target UE To the uplink interference amount of the macro base station, transmit power reduction amount is determined, according to the transmit power reduction amount, reduces the mesh UE scheduling authorization value is marked, and controls the sending module that the scheduling authorization value after the reduction is sent into the target UE.
30. the micro-base station according to claim 28 or 29, it is characterised in that the power processing module, which is additionally operable to judgement, is The no trigger condition for meeting to delete the mark of the target UE from the limitations set, and when judged result is to meet, The mark of the target UE is deleted from the limitations set.
31. micro-base station according to claim 30, it is characterised in that the trigger condition includes：

The target UE is less than or equal to default interference volume thresholding to the uplink interference amount of the macro base station；

Or

The time that the mark of the target UE is added to the limitations set reaches specified time length；Or

The target UE exits Cell-DCH states or CELL_FACH states.
32. micro-base station according to claim 24, it is characterised in that the channel parameter comprises at least：The mark of the UE Know, the scrambler and channel code that the UE is used.
A kind of 33. heterogeneous network system, it is characterised in that including：Macro base station described in claim any one of 17-23, Yi Jiquan Profit requires the micro-base station described in any one of 24-32.