CN103428871B

CN103428871B - A kind of disturbance coordination method and system

Info

Publication number: CN103428871B
Application number: CN201210165638.1A
Authority: CN
Inventors: 祝建建; 谢峰; 陈玉芹; 刘扬; 李卫敏
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2012-05-25
Filing date: 2012-05-25
Publication date: 2018-05-18
Anticipated expiration: 2032-05-25
Also published as: CN103428871A

Abstract

The invention discloses a kind of disturbance coordination method, including：Protection physics wireless resource block (PRB) resource information that interfered cell is used to the interfered cell instruction interfered cell；For the protection PRB resource informations that the interfered cell is used according to the interfered cell, itself zero energy and/or the resource distribution situation of low-power PRB are adjusted.The present invention also accordingly discloses a kind of interference coordination system.By scheme of the present invention, low-power or the interference coordination of zero energy PRB can be effectively carried out between same interfered cell and multiple interfered cells, so as to lifting system performance.

Description

A kind of disturbance coordination method and system

Technical field

The present invention relates to wireless communication field more particularly to a kind of disturbance coordination method and systems.

Background technology

In radio honeycomb communication system, base station is to provide wireless access for user equipment (User Equipment, UE) Equipment, base station may include one or more serving cells.Cell can provide communication for the UE of certain geographic range Service, different cells may have different coverages, usually can be according to the coverage of cell and the purpose of deployment Macrocell (macro cell), Microcell (pico cell) are divided the cell into, picocell (femto cell) correspondingly, carries Macro base station, micro-base station, Home eNodeB are can be described as again for the base station of these community user access services.

With the development of cordless communication network technology, it may appear that in identical or adjacent area by two kinds or more of The scene of different type MPS process, for example, disposing Pico Cell in Macro Cell coverages to undertake load balancing Or coverage enhancement, for another example domestic consumer can also dispose Femto Cell to undertake room in Macro Cell coverages Interior covering.This scene for completing wireless access covering jointly by polytype cell is properly termed as heterogeneous network (heterogeneous network, hetnet) scene.

Under heterogeneous network scene, some new network deployment schemes and technology continuously emerge, for example, in order to allow Pico Cell services more users and undertakes more service traffics, can introduce cell edge extension (Cell Range Extension, CRE) technology, still, it is corresponding in cell edge extended area by the user that Macro Cell are serviced by To the interference from Macro Cell also increase accordingly.In order to reduce the interference for Pico cells, in existing Macro Under the heterogeneous network scene coexisted with Pico, almost empty frame (Almost Blank Subframe, ABS) can be introduced, Macro cells on the Physical Downlink Shared Channel (Physical Downlink Shared Channel) in ABS subframes simultaneously It will not transmit or low-power transmission downlink service data, above-mentioned mechanism reduce interference of the interfered cell for neighbor cell, But also sacrifice the system performance (such as power system capacity) of interfered cell simultaneously because the power system capacity of Macro can with Put increasing and constantly declining for ABS number of subframes.In order to solve this problem, zero energy and/or low-power physical radio resource block The mechanism of (Physical Radio Block, PRB) is suggested, i.e., interfered cell is avoided by granularity of subframe to disturbed small On the basis of area generates interference, the smaller interference coordination unit PRB of granularity is introduced, interfered cell can be only fitted to specific sub-frame It is not passed on some PRB positions on Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH) Defeated or low-power transmission downlink service data, then scheduling service is in disturbed to interfered cell on corresponding PRB positions The UE in region.

After zero energy and/or low-power PRB mechanism is introduced, the overall flexibility of system can get a promotion, and system permits Perhaps granularity of the interfered cell based on the finer adjustment interference coordination of current network state, so as to protect interfered cell On the premise of also avoid influence for interfered cell system performance to the greatest extent.But based on existing low-power or zero power The interference coordination mechanism of rate PRB, as progress low-power or zero energy PRB between same interfered cell and multiple interfered cells Interference coordination when, it is possible that multiple interfered cells be directed to same interfered cell configuration low-power or zero energy Situation inconsistent PRB carries out subsequent processing so as to be unfavorable for interfered cell, influences system performance.

The content of the invention

It in view of this, being capable of lifting system it is a primary object of the present invention to provide a kind of disturbance coordination method and system Performance.

In order to achieve the above objectives, the technical proposal of the invention is realized in this way：

A kind of disturbance coordination method, including：

The protection physics wireless resource block PRB resources that interfered cell is used to the interfered cell instruction interfered cell Information.

The interfered cell before the protection PRB resource informations that interfered cell indicates that the interfered cell uses, This method further includes：

The interfered cell sends the zero energy and/or low-power of the interfered cell configuration to the interfered cell PRB is distributed indication information；

The interfered cell is according to the interfered cell or the interfered cell and other at least one interfered cells The zero energy of transmission and/or low-power PRB position distribution indication informations determine the protection PRB moneys that the interfered cell uses Source information, the protection physics wireless resource block PRB resources that the interfered cell uses receive adjacent including interfered cell After the low-power of cell configuration and/or zero energy PRB location distribution informations, it is contemplated that use and/or used interference-free Area interference and/or the resource location for being disturbed the low interference of cell.

The protection physics wireless resource block PRB that the interfered cell is used to the interfered cell instruction interfered cell After resource information, this method further includes：

The protection PRB resource informations that the interfered cell is used according to the interfered cell, adjust itself zero energy and/ Or the resource distribution situation of low-power PRB.

The interfered cell indicates that the protection PRB resource informations that the interfered cell uses are to interfered cell：

Transfer what the interfered cell used based on X2 interface and/or S1 interfaces in base station belonging to the interfered cell PRB resource informations are protected to the base station belonging to interfered cell, alternatively, the base station transmission belonging to interfered cell is described disturbed small The protection PRB resource informations that area uses are to operation management and safeguard OAM, the guarantor that the OAM again uses the interfered cell Shield PRB resource informations are transferred to the base station belonging to interfered cell.

Base station belonging to the interfered cell in existing signaling message by adding indication information element or in newly-increased signaling Indication information element in message is set, indicates that the protection PRB resources that the interfered cell uses are believed to the base station belonging to interfered cell Breath.

The indication information element carries the protection PRB position distributions instruction message bit pattern that the interfered cell uses.

The zero energy and/or low-power PRB position distributions that the interfered cell is sent according to the interfered cell indicate Information determines that the protection PRB resources that the interfered cell uses are：The interfered cell selects the interfered cell configuration Zero energy and/or low-power PRB position distributions or the zero energy of interfered cell configuration and/or low-power PRB positions point The subset of cloth, as the interfered cell use protection PRB resources position distribution,

Zero energy that the interfered cell is sent according to the interfered cell and other at least one interfered cells and/ Or low-power PRB position distribution indication informations, determine that the protection PRB resource informations that the interfered cell uses are：The quilt Interfered cell selects the zero energy and/or low-power PRB of the interfered cell and other at least one interfered cell configurations The intersection of distribution or the subset of intersection are put, the position distribution as the protection PRB resources that the interfered cell uses.

The interfered cell sends zero energy and/or low-power PRB in the interfered cell to the interfered cell Before putting distribution indication information, this method further includes：

The interfered cell sends the zero energy comprising the configuration of request interfered cell and/or low work(to the interfered cell The signaling message of rate PRB position distribution indication informations, the signaling message include existing and/or new on X2 and/or S1 interfaces Increase signaling message and/or interfered cell and signaling message is transferred to OAM, it is small that the signaling message is sent to interference by OAM again Area.

The protection PRB resource informations that the interfered cell is used according to the interfered cell, adjust the zero energy of itself And/or low-power PRB resource distribution situations are：

The protection PRB resource informations that the interfered cell is used according to the interfered cell, not by described disturbed Without using low-power or zero on the resource location on the interfered cell that the protection PRB resource informations that cell uses correspond to Power sends data.

This method further includes：

The interfered cell notifies the actual use situation for protecting PRB to the interfered cell；

According in the interfered cell actual use situation of PRB is protected to adjust the zero energy of itself in the interfered cell And/or low-power PRB configurations, and the zero energy after adjustment and/or low-power PRB distributions indication information are sent to described done Disturb cell.

The interfered cell notifies the actual use situation for protecting PRB：It is described disturbed Cell will protect the PRB's not included outside protection PRB occupied in percentage and/or the protection PRB places subframe of PRB The occupancy percentage of whole PRB where occupying percentage and/or protecting PRB in subframe is notified to the interfered cell, described The instruction form of percentage include directly instruction statistics percentages and/or always count in the range of total PRB quantity and The PRB quantity of occupancy；

The interfered cell adjust itself zero energy and/or low-power PRB be configured to：Change zero energy and/or low work( The quantity and/or distributing position of rate PRB.

This method further includes：

The base station belonging to base station at least one interfered cell belonging to the interfered cell sends the protection of its demand PRB information；

Base station belonging to the interfered cell transmit its configuration zero energy and/or low-power PRB information to be disturbed it is small Base station belonging to area and/or, the demand of its base station that meet belonging to interfered cell is transmitted in the base station belonging to interfered cell can Indication information to interfered cell belonging to base station.

A kind of interference coordination system, including the base station belonging to the base station and interfered cell belonging to interfered cell, wherein,

Base station belonging to the interfered cell, for indicating that the interfered cell makes to the base station belonging to interfered cell Protection PRB resource informations.

Base station belonging to the interfered cell is additionally operable to match somebody with somebody to the base station transmission interfered cell belonging to interfered cell Zero energy and/or low-power PRB the distribution indication information put；

Base station belonging to the interfered cell, be additionally operable to according to the interfered cell or the interfered cell and other The zero energy and/or low-power PRB position distribution indication informations that at least one interfered cell is sent, determine the interfered cell The protection PRB resource informations used, the protection physics wireless resource block PRB resources that the interfered cell uses include disturbed Cell receive neighbor cell configuration low-power and/or zero energy PRB location distribution informations after, it is contemplated that use and/or The interference-free area interference that uses and/or the resource location for being disturbed the low interference of cell.

Base station belonging to the interfered cell is additionally operable to the protection PRB resource informations used according to the interfered cell, Adjust itself zero energy and/or the resource distribution situation of low-power PRB.

Described be disturbed is transferred in base station belonging to the interfered cell specifically for being based on X2 interface and/or S1 interfaces The protection PRB resource informations that cell uses are to the base station belonging to interfered cell, alternatively, institute is transferred in the base station belonging to interfered cell Protection PRB resource informations that interfered cell uses are stated to operation management and safeguard OAM, the OAM again will be described disturbed small The protection PRB resource informations that area uses are transferred to the base station belonging to interfered cell.

Base station belonging to the interfered cell, specifically for the zero energy and/or low-power of the configuration of selection interfered cell The subset of the zero energy and/or low-power PRB position distributions of PRB position distributions or interfered cell configuration, as the quilt The position distribution for the protection PRB resources that interfered cell uses and/or, select the interfered cell and other be at least one dry The subset of intersection or the intersection of the zero energy and/or low-power PRB position distributions of cell configuration is disturbed, as the interfered cell The position distribution of the protection PRB resources used.

Base station belonging to the interfered cell is additionally operable to send to the base station belonging to the interfered cell dry comprising request It disturbs the zero energy of cell configuration and/or the signaling message of low-power PRB position distribution indication informations, the signaling message includes X2 And/or signaling message is transferred to OAM by existing and/or newly-increased signaling message on S1 interfaces and/or interfered cell, OAM is again The signaling message is sent to interfered cell.

Base station belonging to the interfered cell is believed specifically for the protection PRB resources used according to the interfered cell Breath, the resource location on the interfered cell corresponded in the protection PRB resource informations not used by the interfered cell On without using low-power or zero energy send data.

Base station belonging to the interfered cell is additionally operable to notify the actual use situation for protecting PRB to the interference Base station belonging to cell；

Base station belonging to the interfered cell is additionally operable to according to the actual use feelings that PRB is protected in the interfered cell Condition adjusts itself zero energy and/or low-power PRB configurations, and the zero energy after adjustment and/or low-power PRB distributions are indicated Information is sent to the interfered cell.

Base station belonging to the interfered cell, specifically for the occupancy percentage that will protect PRB and/or the protection Whole where the occupancy percentage for not including the PRB outside protection PRB and/or protection PRB where PRB in subframe in subframe The occupancy percentage of PRB notifies that, to the interfered cell, the instruction form of the percentage includes the percentage of directly instruction statistics Than the total PRB quantity and the PRB quantity of occupancy in the range of numerical value and/or total statistics；

Base station belonging to the interfered cell, specifically for changing the zero energy of interfered cell and/or the number of low-power PRB Amount and/or distributing position.

Base station belonging to the interfered cell is additionally operable to send its demand to the base station belonging at least one interfered cell Protection PRB information；

Base station belonging to the interfered cell, be additionally operable to transmit its configuration zero energy and/or low-power PRB information to quilt Base station belonging to interfered cell and/or, can it is transmitted in the base station belonging to interfered cell meet base station belonging to interfered cell Demand indication information to interfered cell belonging to base station.

Disturbance coordination method of the present invention and system, interfered cell indicate what the interfered cell used to interfered cell Protect physics wireless resource block PRB resource informations, the protection PRB used for the interfered cell according to the interfered cell Resource information adjusts itself zero energy and/or the resource distribution situation of low-power PRB.It, can by scheme of the present invention Low-power or the interference coordination of zero energy PRB are effectively carried out between same interfered cell and multiple interfered cells, from It and being capable of lifting system performance.

Description of the drawings

Fig. 1 is a typical heterogeneous network scene schematic diagram；

Fig. 2 is that interfered cell own base station coordinates zero power with multiple interfered cell own base stations in the embodiment of the present invention 1 The operating process schematic diagram of rate and/or low-power PRB interference coordination mechanism；

Fig. 3 is the operating process schematic diagram that harmonious protection PRB is distributed between base station in the embodiment of the present invention 3.

Specific embodiment

The present invention basic thought be：The protection that interfered cell is used to the interfered cell instruction interfered cell Manage wireless resource block PRB resource informations.

In the present invention, the interfered cell is small to be interfered under heterogeneous network scene to the business transmission of other cell Area, including the Macro cells under Macro and Pico coexistence scenarios, Macro and the Femto cells under Femto coexistence scenarios.Institute Interfered cell is stated, by the cell of other area interference its business transmission, to be total under heterogeneous network scene including Macro and Pico Deposit the Pico cells under scene, Macro and the Macro cells under Femto coexistence scenarios.

Optionally, the interfered cell indicates that the protection PRB resources that the interfered cell uses are believed to interfered cell Before breath, this method further includes：

Optionally, the interfered cell indicates that the protection physical radio that the interfered cell uses provides to interfered cell After source block PRB resource informations, this method further includes：

Optionally, the interfered cell indicates that the protection PRB resources that the interfered cell uses are believed to interfered cell It ceases and is：

Optionally, the indication information element at least carries the protection PRB distribution instruction bitmap letters that the interfered cell uses Breath, it is of course also possible to be added on the basis of the ABS subframe distributions instruction bitmap used in existing interfered cell time domain on frequency domain The protection PRB distribution instruction message bit patterns used.The instruction bitmap information includes representing it using bit value difference Whether corresponding PRB is used as by interfered cell is protected PRB to use；The protection PRB receives interfered cell for interfered cell After the low-power of configuration and/or zero energy PRB location distribution informations, it is contemplated that use and/or used from the interference The resource location of area interference is subject to the interfered cell to disturb smaller resource location；

Optionally, the interfered cell is according to the interfered cell and the interfered cell and other are at least one dry The zero energy of cell transmission and/or low-power PRB distribution indication informations are disturbed, determines the protection PRB that the interfered cell uses Resource is：

For example, interfered cell obtains multiple zero energys and/or low-power PRB distributions from multiple and different interfered cells The subset of intersection or the intersection of bitmap is indicated, as indication information bitmap；The interfered cell and other are at least one dry The zero energy and/or low-power PRB position distribution intersection of sets collection or the subset of intersection for disturbing cell are corresponded in interfered cell The corresponded manner of resource location include interfered base station and know synchronism deviation between interfered cell and neighboring interfering cell, Zero energy and/or low-power PRB distribution indication informations and institute based on the interfered cell configuration known when corresponding to It states synchronism deviation and corresponds to the protection PRB positions in interfered cell to calculate.The interfered base station obtains the synchronism deviation Method include obtaining from adjacent base station and/or mobile management entity based on X2 and/or S1 interfaces, also include from OAM or logical It crosses to eat dishes without rice or wine to monitor and be obtained in the mode calculated.

Optionally, the interfered cell sends zero energy and/or low work(in the interfered cell to the interfered cell Before rate PRB distribution indication informations, this method further includes：

The interfered cell sends zero energy and/or low-power PRB distribution indication information requests to the interfered cell Message, afterwards, interfered cell send a response message to interfered cell, and the response message includes the zero power that interfered cell is supported Rate and/or the indication information of low-power PRB distributions.

Optionally, the protection PRB resource informations that the interfered cell is used according to the interfered cell, adjust itself Zero energy and/or low-power PRB resource distribution situations are：

The protection PRB resource informations that the interfered cell is used according to the interfered cell, not by described disturbed The UE in interfered cell described in normal power dispatch service is used on the resource location that cell is answered as protection PRB pair, in other words, The interfered cell need not be configured to the resource location of interference-free area interference or the interfered cell is subject to do Disturb the UE serviced on smaller resource location using normal power dispatch service interfered cell.

Optionally, this method further includes：

The interfered cell notifies the actual use situation for protecting PRB to the interfered cell；Here, it is described to be done It disturbs cell and the actual use situation for protecting PRB is notified into base where including interfered cell to the advice method of the interfered cell Stand by X2 interface and/or S1 interfaces transfer base station belonging to indication information to interfered cell and/or, belonging to interfered cell Base station transfer indication information to OAM, the corresponding indication information of OAM transmission to the base station belonging to interfered cell.Optionally, done Disturbing cell will protect the resource status on PRB and other normal powers PRB separately to notify to interfered cell；

According in the interfered cell actual use situation of PRB is protected to adjust the zero energy of itself in the interfered cell And/or low-power PRB configurations, and the zero energy after adjustment and/or low-power PRB distributions indication information are sent to described done Cell is disturbed, interference coordination is carried out for the interfered cell.Specifically, interfered cell is being protected based on the interfered cell received Resource using status on shield PRB adjusts its power configuration situation on frequency domain PRB, including modification zero energy and/or low The quantity and/or distributing position of power P RB；And further, interfered cell is by amended zero energy and/or low-power PRB Upper distribution instruction message bit pattern is transferred to interfered cell.

Optionally, the interfered cell actual use situation for protecting PRB is notified be to the interfered cell：It is described Interfered cell notifies the occupancy percentage for protecting PRB to the interfered cell,

The actual use situation for protecting PRB is notified that the instruction form to the interfered cell is by the interfered cell： The interfered cell will not include protection PRB where the occupancy percentage for protecting PRB and/or the protection PRB in subframe Outside the occupancy percentage of PRB and/or protection PRB where the occupancy percentage of whole PRB in subframe notify to described dry Cell is disturbed, the instruction form of the percentage includes directly indicating total in the range of the percentages and/or total statistics of statistics The PRB quantity of PRB quantity and occupancy；

The interfered cell adjust itself zero energy and/or low-power PRB be configured to：Change the interfered cell configuration Zero energy and/or low-power PRB quantity and/or distributing position.

Optionally, this method further includes：Belonging to base station at least one interfered cell belonging to the interfered cell Base station sends the protection PRB information of its demand；Transmit zero power on the interfered cell of its configuration in base station belonging to the interfered cell Rate and/or low-power PRB information to the base station belonging to interfered cell and/or, can it is transmitted in the base station belonging to interfered cell Meet the base station belonging to the indication information to interfered cell of the base station demand belonging to interfered cell.It is specifically, disturbed small Area's own base station sends quantity and/or the distribution of the protection PRB of its demand to multiple interference base stations；Further, interference base station Transmit its configuration interfered cell on zero energy and/or low-power PRB quantity and/or distributed intelligence to interfered base station with/ Or can interference base station transmits it meet the quantity of the protection PRB of interfered base station demand and/or distributed intelligence to disturbed base It stands；Can the indicating mode that meet include It is no to meet；The mode that the interfered cell own base station sends the demand information to multiple interference base stations includes leading to It crosses X2 interface and/or S1 interfaces and/or OAM interfaces is realized.

It should be noted that the cell that the adjacent multiple interference base stations of one interfered cell of system configuration include can have The public PRB set that can be configured as zero energy and/or low-power.It is described it is public can be configured as zero energy and/ Or the PRB set of low-power further includes：Have on the multiple adjacent interference base station and identical can be configured as zero The PRB resource locations of power and/or low-power.

The present invention also accordingly discloses a kind of interference coordination system, the system include base station belonging to interfered cell and Base station belonging to interfered cell, wherein,

Base station belonging to the interfered cell is additionally operable to send its demand to the base station belonging at least one interfered cell Protection PRB information；The protection PRB information of the demand includes quantity and/or the distribution of the protection PRB of interfered cell demand Position.

Technical scheme is described in further detail with reference to specific embodiment and attached drawing.

It is typical heterogeneous network (heterogeneous network, a hetnet) scene as shown in Figure 1, wherein Include macro base station cell (Macro Cell) and micro-base station cell (Pico Cell) and femto base station cell (Femto Cell).Wherein include CRE regions in Pico Cell overlay areas to improve the coverage of Pico Cell.In order to avoid The business transmission of Macro Cell impacts the business transmission of the CRE regions UE of Pico Cell, and system can be in Macro Cell configures the ABS subframes of zero energy, when scheduling CRE regions on the ABS subframe correspondence positions that Pico Cell are configured in Macro UE when, the UE business transmission can be protected.Further, in order to avoid introduce zero energy ABS subframes for The performance of Macro Cell causes excessive influence, and the ABS subframes for reducing power, the drop can be introduced in Macro cells The ABS subframes of low-power can be used for servicing the Macro central areas in the UE in channel condition good position, such as diagram UE, so as to promote the power system capacity of Macro Cell on the premise of severe jamming is not generated to Pico CRE region UE.

In order to which the power system capacity for further solving Macro can increasing and constantly decline with configuration ABS number of subframes The problem of, it can introduce in system and configure zero energy and/or low-power physical radio resource block (Physical in Macro cells Radio Block, PRB) mechanism.The embodiment of the present invention is directed to and is performed between same interfered cell and multiple interfered cells The scene of low-power or the interference coordination mechanism of zero energy PRB, devises the interference coordination mechanism of complete set, and introduces The mechanism of existing configuration can be updated for real network conditions Ambient change system.

Embodiment 1

It is that interfered cell own base station is assisted with multiple interfered cell own base stations in the embodiment of the present invention 1 as shown in Figure 2 The operating process for power and/or the low-power PRB interference coordination mechanism of returning to zero, the flow are as follows：

S01, the affiliated interference base station transmission in interfered cell enable and/or do not enable and/or reconfigure interference coordination mechanism Signaling message is to interfered cell own base station；

The interfered cell is the cell interfered under heterogeneous network scene to the business transmission of other cell, including Macro and the Macro cells under Pico coexistence scenarios, Macro and the Femto cells under Femto coexistence scenarios.It is described disturbed Cell is by the cell of other area interference its business transmission, including under Macro and Pico coexistence scenarios under heterogeneous network scene Pico cells, the Macro cells under Macro and Femto coexistence scenarios.It describes to be to be based between base station in the present embodiment X2 interface can all establish X2 interface between interacting base station involved described in the signaling message namely the present embodiment, described X2 interface Establishing process is operated according to system existing method；

Scene in as shown, there are two interference base stations, are respectively designated as interference base station _ 1, interference base station _ 2 and one A interfered base station.Identical operating process can be used for the scene of an interference base station or multiple interference base stations.

The constraint for the no time order and function of operation that interference base station _ 1 is performed with interference base station _ 2, but for the side of description Just, the corresponding band of operating procedure interference base station _ 1 performed accords with 1 with suffix, the operating procedure phase performed for interference base station _ 2 The band answered accords with 2 with suffix.

S01_1 and S01_2 in as shown, interference base station sent respectively to interfered base station comprising zero energy and/or Low-power PRB is distributed the signaling message of indication information.The zero energy and/or low-power PRB are distributed indication information, Added again on the basis of bit map used in interaction time domain ABS subframe distributions between existing base station frequency domain zero energy and/ Or low-power PRB distribution bit map or independent frequency domain zero energy and/or low-power PRB distribution bit map.Institute The length for stating bit map depends on the bandwidth using interference coordination mechanism of system configuration, and different bandwidth corresponds to different numbers Purpose PRB, therefore corresponding bit map length also differs；The instruction bitmap information includes different next using bit value Represent whether interfered cell configures zero energy and/or low-power PRB to its correspondence PRB；For example, the bit that value is 1 is corresponding PRB resource locations send data using zero energy or low-power, and the corresponding PRB resource locations of bit that value is 0 are using just Normal power sends data.

Further, above-mentioned interfered cell own base station to interfered cell own base station send the zero energy and/or Before the indication information of low-power PRB distributions, interfered cell own base station can send to interfered cell own base station and include It is described for zero energy and/or low work(for the indication information of zero energy and/or low-power PRB the indication information demand being distributed Rate PRB distribution indication information demand indication information can also by for ABS information requirements indication information embody namely In existing system interfered cell to interfered cell based on X2 interface send for ABS information requirements indication information when, interference Cell can perform the indication information of the subsequent zero energy and/or low-power PRB distributions that its configuration is sent to interfered cell；

S02, interfered cell enable interference coordination mechanism；

Interfered cell is based on the interference coordination mechanism relevant configuration from one or more interfered cell received The signaling of information enables interference coordination mechanism；The interference coordination mechanism can be：Interfered cell will be in disturbed area The UE in domain is dispatched to protection PRB resource locations namely the interfered cell is configured to zero energy and/or low-power PRB resources Position corresponds to the PRB resource locations of interfered cell；When interfered cell receives the zero energy from multiple interfered cells And/or after the indication information of low-power PRB position distributions, if the zero energy of multiple interfered cell own base stations and/or low work( The corresponding position of the indication informations of rate PRB position distributions is different, then interfered cell is by the intersection of multiple positions or intersection Subset is as the workable protection PRB positions of interfered cell.And and then the UE scheduling in interference region is being protected PRB It puts and is serviced.The zero energy and/or low-power PRB positions of the interfered cell and other at least one interfered cells point The corresponded manner that cloth intersection of sets collection or the subset of intersection correspond to the resource location in interfered cell includes interfered base station Know the synchronism deviation between interfered cell and neighboring interfering cell, matched somebody with somebody when corresponding to based on the interfered cell known Zero energy and/or low-power PRB the distribution indication information put and the synchronism deviation are corresponded to calculate in interfered cell Protection PRB positions.The method that the interfered base station obtains the synchronism deviation includes being based on X2 and/or S1 interfaces from adjacent base It stands and/or mobile management entity obtains, also include obtaining in from OAM or by way of eating dishes without rice or wine to monitor and calculate.

S03, interference base station are sent belonging to the signaling message to interfered cell of trigger protection PRB resource status feedback operations Base station；

Same S01, the constraint for the no time order and function of operation that interference base station _ 1 is performed with interference base station _ 2, but in order to retouch It states conveniently, the corresponding band of operating procedure that interference base station _ 1 is performed accords with 1 with suffix, is walked for the operation that interference base station _ 2 perform Rapid corresponding band accords with 2 with suffix.

The interfered cell that interference base station triggering interfered base station feedback interfered base station includes uses protection PRB resource shapes State feedback operation, the zero energy for being used for protecting interfered cell data traffic transmission of the protection PRB, as system configuration And/or low-power PRB resources；The interfered cell that the resource status is included as described in S02 is used as protection PRB PRB resource locations are distributed and the utilization rate of the protection PRB resources of actual use, the method for transferring utilization rate include：It will All interfered cells, as denominator, interfered cell were actually used as the resource block number that uses of protection PRB resources PRB number of resources as molecule, using the ratio of molecule and denominator or corresponding percentage as the guarantor of the actual use The utilization rate of shield PRB resources is transferred to opposite end base station, then using all interfered cells as the money that PRB resources is protected to use Source block number and the PRB number of resources that interfered cell actually used is transferred to opposite end base station；

S04, for interfered cell own base station according to described in S03, construction interfered cell protects PRB status informations, including Interfered cell described in S03 is made as the protection PRB PRB resource locations distributions used and/or the interfered cell To protect the utilization rate of PRB resources；

The information constructed in S04 is fed back to the base station belonging to interfered cell based on X2 interface by S05, interfered cell；

In S03, interfered base station has received interference base station for the signaling of PRB feedback of status operational requirements is protected to disappear Breath, then can trigger corresponding statistical operation, if interfered base station can complete required protection PRB state measurements operation, Corresponding feedback operation can be then performed, if the measurement operation cannot be performed, can feed back and be surveyed comprising protection PRB states Measure the base station belonging to the signaling message to interfered cell of operation failure；

It is described herein as to perform the flow of the PRB state measurements operation；Same S01, interference base station _ 1 and interference base station _ The constraint of the 2 no time order and functions of operation performed, but for convenience, the operating procedure phase that interference base station _ 1 is performed The band answered accords with 1 with suffix, and 2 are accorded with suffix for the corresponding band of operating procedure that interference base station _ 2 perform.

Interfered cell own base station can be distributed comprising interfered cell as the protection PRB PRB resource locations used, And the interfered cell is sent to interference base station as the signaling message of the utilization rate of protection PRB resources；

It needs to interact respective resource utilization in existing system, between base station, based on the operation described in the step, Interference base station can be got on the protection PRB and other normal powers PRB for the interfered cell that interfered base station includes Resource state information.

S06, after interference base station receives the interfered cell protection PRB states of interfered base station transmission, then according to described PRB status informations perform modification interference coordination mechanism configuration operation, the quantity including modification zero energy and/or low-power PRB with And distribution；And further, interfered cell passes distribution instruction message bit pattern in amended zero energy and/or low-power PRB It is delivered to interfered cell；

The X2 signaling messages being related to described in the present embodiment include on X2 interface the publicly-owned message transmitted and/or privately owned disappear Breath, establishes interaction message (X2 Setup Request/X2 Setup Response), base station configuration updating disappears including X2 interface Cease (eNB Configuration Update/eNB Configuration Acknowledge), load instruction information (Load Information), resource status interaction message (Resource Status Request/Resource Status Response/Resource Status Update) and existing other X2 interface on publicly-owned message；It is described privately owned to disappear Breath includes the related conviction message (Handover Request/Handover Acknowledge) of switching, SN state transfer messages (SN Status Transfer), UE contexts release message (UE Context Release) and existing others X2 connect Private message on mouth；Described herein as, the interfered cell involved in description, which receives and/or send message, all includes interfered cell base Message is received and/or sends in the interference base station where interfered cell, interfered cell, which receives and/or send message, all includes base Message is received and/or sends in the interfered base station where interfered cell.

Embodiment 2

The present embodiment describe between base station by OAM S1 interfaces complete the interfered cell own base station with it is multiple Interfered cell own base station coordinates the operating process of zero energy and/or low-power PRB interference coordination mechanism.

Scene as described in example 1 above, interfered base station need with multiple interference base stations introduce zero energy and/ Or the interference coordination mechanism of low-power PRB.The signaling message described in embodiment one can also be based on S1 interfaces between base station And/or OAM is transmitted；

When being transmitted based on S1 interfaces, described information is encapsulated in the signaling of carrying information by the source base station for sending information Mobile management entity (MME) is sent in message, the form of encapsulation includes the Container Format (Container) transparent to MME, warp It crosses MME and the signaling message comprising described information is forwarded to target BS；

When being transmitted based on OAM, the source base station of information is sent by the message transmission to OAM, OAM is based on receiving The information judgement of source base station need the operation performed to target BS, and the corresponding signaling message base of operation will be performed accordingly Interface between OAM and target BS is sent to target BS.

Embodiment 3

It is the operating process schematic diagram that harmonious protection PRB is distributed between base station in the embodiment of the present invention 3 as shown in Figure 3, this Embodiment specifically describe base station between how harmonious protection PRB distribution operating process.Scene as described in example 1 above, quilt Interference base station needs to carry out introducing zero energy and/or the interference coordination mechanism of low-power PRB with multiple interference base stations.In order to full The zero energy and/or low-power PRB of the multiple interference base station responses of pedal system have intersection, and one interfered cell of system configuration is adjacent The cell that includes of multiple interference base stations can have the public PRB set that can be configured as zero energy and/or low-power.This The concrete operations flow of embodiment is as follows：

S01, interfered base station judge to need to enable protection PRB interference coordination mechanism；The determination method can be based on net The current network conditions that network configures and/or UE is detected include the channel quality states of UE measurements；

S02, interfered base station judge to need to apply the interference coordination machine based on protection PRB between multiple interference base stations System, then the protection PRB that demand is sent to multiple target jamming base stations are distributed；

The protection PRB is needed to configure as interference-free area interference including interfered cell and/or is disturbed cell and does Disturb the PRB resource block locations of low interference；Interaction instruction protects the mode of PRB resource block location distributed intelligences such as between the base station Method described in embodiment 1.

The constraint of the no time order and function of operation performed between interference base station _ 1 and interference base station _ 2, but in order to retouch It states conveniently, the corresponding band of operating procedure performed to interference base station _ 1 is accorded with 1 with suffix, the operation performed for interference base station _ 2 The corresponding band of step accords with 2 with suffix.

Interfered base station sends the letter of the protection PRB resource block distributions comprising its demand to multiple target jamming base stations respectively Make message；The decision procedure of the target jamming base station includes the current network conditions detected based on network configuration and/or UE, Include the channel quality states of UE measurements；

The concrete mode of interfered base station instruction can be in the publicly-owned message or private message of existing X2 interface Add the protection PRB distributed intelligences of its demand based on bit map instruction；

S03, interference base station respond the demand of interfered base station；

Based on the operation in S02, multiple target jamming base stations receive the protection PRB distribution letters of the demand of interfered base station It ceasing, then multiple target jamming base stations perform corresponding configuration operation according to the protection PRB distributed needs of interfered base station demand, and And response results are returned to interfered base station；

The response results include interference base station and transmit the zero energy of its configuration and/or the quantity of low-power PRB and/or divide Can cloth information transmits it to interfered base station and/or interference base station meet the zero energy of interfered base station demand and/or low work( The quantity of rate PRB and/or distributed intelligence are to interfered base station；Can the affiliated indicating mode that meet include wrapping in the signaling messages Indicating bit containing bit indicates whether to meet by different values；

It is optional step that this step, which is based on system actual demand,.

S04, interfered base station are enabled based on the response message in multiple interference base stations such as S03 received based on guarantor Protect the interference coordination mechanism of PRB；

Interfered base station perform operation can be：The protection PRB distributions that interfered base station is responded in multiple interference base stations Intersection or its subset on dispatch the UE in interference region；

The mode of PRB positions is corresponded between collection conjunction intersection or subset and base station involved in the present embodiment to adopt With the method described in above-described embodiment 1,2.

Embodiment 4

The present embodiment describes the operating process being distributed between base station by OAM S1 interface coordinations PRB.Specific steps are such as Under：

Scene as described in example 3 above, interfered base station need with multiple interference base stations introduce zero energy and/ Or the interference coordination mechanism of low-power PRB.In order to meet the zero energy and/or low-power PRB of the multiple interference base station responses of system Have an intersection, the cell that the adjacent multiple interference base stations of one interfered cell of system configuration include can have it is public can by with It is set to the PRB set of zero energy and/or low-power；The signaling message described in embodiment three can be based on S1 between each base station Interface and/or OAM are transmitted；

With the introducing of the interference coordination unit of smaller particle size, needed between interfered cell and interfered cell existing The base station for subframe granularity between the basis of the coordination system introduce new mechanism to meet system requirements；When same disturbed When the interference coordination mechanism of low-power or zero energy PRB are performed between cell and multiple interfered cells, system needs a kind of method To solve the problems, such as that multiple interfered cells are inconsistent for the low-power or zero energy PRB of same cell configuration.Pin of the present invention The scheme of complete set is proposed to described problem, based on the program, system can be implemented to be based on low-power under multiple scenes Or the interference coordination mechanism of zero energy PRB, and existing configuration can be updated for the variation of real network conditions Ambient, so as to Lifting system performance.

The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims

1. a kind of disturbance coordination method, which is characterized in that this method includes：

Interfered cell indicates that the protection physics wireless resource block PRB resources that the interfered cell uses are believed to interfered cell Breath, wherein, the protection PRB includes interfered cell and receives the low-power of neighbor cell configuration and/or zero energy PRB positions After distributed intelligence, it is contemplated that using and/or the interference-free area interference used and/or the resource for being disturbed the low interference of cell Position.

2. according to the method described in claim 1, it is characterized in that, the interfered cell is done to interfered cell instruction is described Before disturbing the protection PRB resource informations that cell uses, this method further includes：

The interfered cell sends PRB points of the zero energy of the interfered cell configuration and/or low-power to the interfered cell Cloth indication information；

The interfered cell is sent according to the interfered cell or the interfered cell and other at least one interfered cells Zero energy and/or low-power PRB position distribution indication informations, determine the protection PRB resources letter that the interfered cell uses Breath.

3. according to the method described in claim 1, it is characterized in that, the interfered cell is done to interfered cell instruction is described After disturbing the protection physics wireless resource block PRB resource informations that cell uses, this method further includes：

The protection PRB resource informations that the interfered cell is used according to the interfered cell adjust itself zero energy and/or low The resource distribution situation of power P RB.

4. according to the method described in claim 1, it is characterized in that, the interfered cell is done to interfered cell instruction is described Disturbing the protection PRB resource informations that cell uses is：

The protection that base station belonging to the interfered cell is used based on X2 interface and/or the S1 interfaces transmission interfered cell PRB resource informations make to the base station belonging to interfered cell alternatively, the interfered cell is transferred in the base station belonging to interfered cell Protection PRB resource informations are to operation management and safeguard OAM, the protection PRB that the OAM again uses the interfered cell Resource information is transferred to the base station belonging to interfered cell.

5. according to the method described in claim 4, it is characterized in that, the interfered cell is done to interfered cell instruction is described Disturbing the protection PRB resource informations that cell uses is：

Base station belonging to the interfered cell in existing signaling message by adding indication information element or in newly-increased signaling message Middle setting indication information element, the protection PRB resource informations used to the base station instruction interfered cell belonging to interfered cell.

6. according to the method described in claim 5, it is characterized in that, the indication information element carries what the interfered cell used Protect PRB position distributions instruction message bit pattern.

7. according to the method described in claim 2, it is characterized in that,

The zero energy and/or low-power PRB position distribution indication informations that the interfered cell is sent according to the interfered cell, Determine that the protection PRB resources that the interfered cell uses are：The interfered cell selects the zero of the interfered cell configuration The zero energy and/or low-power PRB position distributions of power and/or low-power PRB position distributions or interfered cell configuration Subset, as the interfered cell use protection PRB resources position distribution,

Zero energy that the interfered cell is sent according to the interfered cell and other at least one interfered cells and/or low Power P RB position distribution indication informations determine that the protection PRB resource informations that the interfered cell uses are：It is described disturbed Cell selects the interfered cell and the zero energy of other at least one interfered cell configurations and/or low-power PRB positions point The subset of intersection or the intersection of cloth, the position distribution as the protection PRB resources that the interfered cell uses.

8. according to the method described in claim 2, it is characterized in that, described in the interfered cell to interfered cell transmission In interfered cell before zero energy and/or low-power PRB position distribution indication informations, this method further includes：

The interfered cell sends the zero energy and/or low-power for including the configuration of request interfered cell to the interfered cell The signaling message of PRB position distribution indication informations, the signaling message include existing and/or newly-increased on X2 and/or S1 interfaces Signaling message is transferred to OAM by signaling message and/or interfered cell, and the signaling message is sent to interfered cell by OAM again.

9. according to the method described in claim 1, it is characterized in that, what the interfered cell was used according to the interfered cell PRB resource informations are protected, zero energy and/or the low-power PRB resource distribution situations for adjusting itself are：

The protection PRB resource informations that the interfered cell is used according to the interfered cell, not by the interfered cell Without using low-power or zero energy on the resource location on the interfered cell that the protection PRB resource informations used correspond to Send data.

10. according to claim 1 to 9 any one of them method, which is characterized in that this method further includes：

The interfered cell according in the interfered cell protect PRB actual use situation adjust the zero energy of itself and/ Or low-power PRB configurations, and the zero energy after adjustment and/or low-power PRB distributions indication information are sent to described be disturbed Cell.

11. according to the method described in claim 10, it is characterized in that,

The interfered cell notifies the actual use situation for protecting PRB：The interfered cell The occupancy for not including the PRB outside protection PRB occupied in percentage and/or the protection PRB places subframe of PRB will be protected The occupancy percentage of percentage and/or whole PRB in the subframe of protection PRB places are notified to the interfered cell, the percentage The instruction form of ratio includes the total PRB quantity and occupancy in the range of the directly percentages of instruction statistics and/or total statistics PRB quantity；

The interfered cell adjust itself zero energy and/or low-power PRB be configured to：Change zero energy and/or low-power PRB Quantity and/or distributing position.

12. according to claim 1 to 9 any one of them method, which is characterized in that this method further includes：

The base station belonging to base station at least one interfered cell belonging to the interfered cell sends the protection PRB letters of its demand Breath；

Base station belonging to the interfered cell transmit its configuration zero energy and/or low-power PRB information to interfered cell institute The base station of category and/or, can it is transmitted in the base station belonging to interfered cell meet the finger of the demand of base station belonging to interfered cell Show the base station belonging to information to interfered cell.

13. a kind of interference coordination system, which is characterized in that the system includes the base station and interfered cell institute belonging to interfered cell The base station of category, wherein,

Base station belonging to the interfered cell, for indicating what the interfered cell used to the base station belonging to interfered cell Protect PRB resource informations, wherein, it is described protection PRB include interfered cell receive neighbor cell configuration low-power and/or After zero energy PRB location distribution informations, it is contemplated that using and/or the interference-free area interference that has used and/or be disturbed small The resource location of the low interference in area.

14. system according to claim 13, which is characterized in that

Base station belonging to the interfered cell is additionally operable to send the interfered cell configuration to the base station belonging to interfered cell Zero energy and/or low-power PRB distribution indication informations；

Base station belonging to the interfered cell, be additionally operable to according to the interfered cell or the interfered cell and other at least The zero energy and/or low-power PRB position distribution indication informations that one interfered cell is sent, determine that the interfered cell uses Protection PRB resource informations.

15. system according to claim 13, which is characterized in that

Base station belonging to the interfered cell is additionally operable to the protection PRB resource informations used according to the interfered cell, adjustment The resource distribution situation of itself zero energy and/or low-power PRB.

16. system according to claim 13, which is characterized in that

The interfered cell is transferred in base station belonging to the interfered cell specifically for being based on X2 interface and/or S1 interfaces The protection PRB resource informations used are to the base station belonging to interfered cell, alternatively, the quilt is transferred in the base station belonging to interfered cell The protection PRB resource informations that interfered cell uses are to operation management and safeguard OAM, and the OAM again makes the interfered cell Protection PRB resource informations are transferred to the base station belonging to interfered cell.

17. system according to claim 16, which is characterized in that

Base station belonging to the interfered cell, specifically for the zero energy and/or low-power PRB of the configuration of selection interfered cell The zero energy of distribution or interfered cell configuration and/or the subset of low-power PRB position distributions are put, as described disturbed small Area use protection PRB resources position distribution and/or, select the interfered cell and other at least one interfered cells The subset of intersection or the intersection of the zero energy and/or low-power PRB position distributions of configuration, uses as the interfered cell Protect the position distribution of PRB resources.

18. system according to claim 14, which is characterized in that

Base station belonging to the interfered cell is additionally operable to send to the base station belonging to the interfered cell small comprising request interference Area configuration zero energy and/or low-power PRB position distribution indication informations signaling message, the signaling message include X2 and/ Or signaling message is transferred to OAM by existing and/or newly-increased signaling message on S1 interfaces and/or interfered cell, OAM is again by institute It states signaling message and is sent to interfered cell.

19. system according to claim 13, which is characterized in that

Base station belonging to the interfered cell, specifically for the protection PRB resource informations used according to the interfered cell, Do not make on the resource location on the interfered cell that PRB resource informations is protected to correspond to not used by the interfered cell Data are sent with low-power or zero energy.

20. according to claim 13 to 19 any one of them system, which is characterized in that

Base station belonging to the interfered cell is additionally operable to notify the actual use situation for protecting PRB to the interfered cell Affiliated base station；

Base station belonging to the interfered cell is additionally operable to according to the actual use situation tune that PRB is protected in the interfered cell It is whole itself zero energy and/or low-power PRB configurations, and the zero energy after adjustment and/or low-power PRB are distributed indication information It is sent to the interfered cell.

21. according to claim 13 to 19 any one of them system, which is characterized in that

Base station belonging to the interfered cell, specifically for the occupancy percentage that will protect PRB and/or the protection PRB institutes The PRB's not included outside protection PRB in subframe occupies percentage and/or protects whole PRB's where PRB in subframe It occupies percentage and notifies that, to the interfered cell, the instruction form of the percentage includes the percentages of directly instruction statistics And/or total PRB quantity and the PRB quantity of occupancy in the range of total statistics；

Base station belonging to the interfered cell, specifically for changing the zero energy of interfered cell and/or the quantity of low-power PRB And/or distributing position.

22. according to claim 13 to 19 any one of them system, which is characterized in that

Base station belonging to the interfered cell is additionally operable to send the guarantor of its demand to the base station belonging at least one interfered cell Protect PRB information；

Base station belonging to the interfered cell, be additionally operable to transmit its configuration zero energy and/or low-power PRB information to being disturbed Base station belonging to cell and/or, the need of its base station that meet belonging to interfered cell are transmitted in the base station belonging to interfered cell can The base station belonging to indication information to interfered cell asked.