CN105792277A - Interference control method and device - Google Patents
Interference control method and device Download PDFInfo
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- CN105792277A CN105792277A CN201610097254.9A CN201610097254A CN105792277A CN 105792277 A CN105792277 A CN 105792277A CN 201610097254 A CN201610097254 A CN 201610097254A CN 105792277 A CN105792277 A CN 105792277A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0242—Determining whether packet losses are due to overload or to deterioration of radio communication conditions
Abstract
The invention relates to an interference control method and device. The interference control method comprises the following steps: executing adjacent area measurement, and selecting at least one adjacent area whose signal sending intensity is larger than the signal sending intensity of a service cell in measured adjacent areas as an interference cell; analyzing a physical broadcast channel PBCH of the interference cell to obtain an antenna port number of the interference cell; obtaining a cell reference signaling CRS position of the interference cell according to a physical cell identifier PCI and the antenna port number of the interference cell; and carrying out interference control according to the CRS position information. According to the interference control method provided by the embodiment of the invention, the interference of adjacent area signals to user equipment in the service cell is weakened, and thus the call quality of the user equipment in the service cell is improved; and some hotspot cells better share the business burden of a macro cell.
Description
Technical field
The present embodiments relate to wireless communication field, more particularly, it relates to interference control method in wireless communication system and equipment.
Background technology
Wireless communication system can provide the wireless traffic such as speech, data.Common wireless communication system is the wireless system that a multiple access accesses.In a wireless communication system, base station launches data and/or the information of control on the uplink to subscriber equipment, and receives data and/or the control information of subscriber equipment on uplink.Similar, subscriber equipment (UserEquipment is called for short UE) transmits data and/or the information of control on uplink for base station, and receives data and/or the control information of Base Transmitter on the uplink.To be below example with Long Term Evolution (LongTermEvolution is called for short LTE) and/or senior Long Term Evolution (LongTermEvolutionAdvanced is called for short LTE-A) wireless communication system, set forth the technical background of the present invention.
In order to meet or promote the performance requirement of LTE-A, dissimilar or different systems base station (base station or the transmitting/receiving node such as low transmitting power is disposed in homogeneous network (homogeneousnetwork), to strengthen covering and the performance of network, such network structure is referred to as heterogeneous network (Heterogeneousnetwork).Below heterogeneous network to deploy big transmitting power base station such as macro base station and adopts same standard with macro base station (MeNB) but different types of low transmitting power base station (abbreviation low power base station, lowerpowernode, LPN) for example, the technical background of the present invention is expanded on further.
In order to improve the spectrum utilization efficiency of system, LPN can be made configurable up and/or down frequency spectrum resources and MeNB is configurable up and/or down frequency spectrum resources carries out spectrum reuse wholly or in part.Now, owing to LPN is configured with identical with MeNB or that part is identical frequency spectrum resource, therefore people having a common goal's (or with frequency) interference can be produced between descending (or up) transmission of LPN (or UE of LPN service) and MeNB (or UE of MeNB service).Interference can affect the reliability that LPN and MeNB downlink channel transmission and up channel (channel includes controlling channel and data channel) detect.
Current LTE-A standard adopts time division multiplex (TimeDivisionMultiplexing, it being called for short TDM) method of Inter-Cell Interference Coordination (InterCellInterferenceCoordination, be called for short ICIC) processes the interference of minizone under heterogeneous network scene.Some subframe is set to low transmission power or does not carry out business transmission (namely the through-put power of business is zero) by interference base station, and above-mentioned subframe can be referred to as approximate empty subframe (AlmostBlankSubframe is called for short ABS).Interfered base station is subjected to the enterprising industry business transmission of subframe that ABS subframe that interference base station strongly disturbing UE scheduling configures at this interference base station is corresponding, thus ensureing that interfered base station is injured the transmission performance of UE.But for backwards compatibility, ABS subframe still can send the control information of cell reference signaling (CellReferenceSignaling is called for short CRS) and other necessity, such as synchronous signaling and system message.It is subject in strongly disturbing situation at the edge of community, the CRS signaling of the ABS subframe of adjacent area still can to being disturbed the UE of community to descending Physical Downlink Control Channel (PhysicalDownlinkControlChannel, be called for short PDCCH) and Physical Downlink Shared Channel (PhysicalDownlinkShareChannel, abbreviation PDSCH) on the decoding of signaling/data cause very big threat.It is therefore desirable to solve the technical scheme of this interference problem.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of method and apparatus that can weaken adjacent area interference.
According to embodiments of the present invention, it is proposed that a kind of interference control method, described method includes:
Perform nearby region measurement, select signal in tested adjacent area to send intensity and send at least one adjacent area of intensity as interfered cell more than the signal of Serving cell；
Resolve the Physical Broadcast Channel PBCH of described interfered cell, obtain the antenna port number of described interfered cell；
Physical Cell Identifier PCI according to described interfered cell and described antenna port number, obtain the cell reference signaling CRS position of described interfered cell；
According to described CRS positional information, carry out interference control.
According to embodiments of the present invention, it is proposed that a kind of interference control method, described method includes:
Determine interfered cell, and obtain the PCI of interfered cell and described antenna port number；
Sending interference to UE and control message, wherein said interference controls message and includes PCI and the antenna port number of described interfered cell,
So that described UE is according to the PCI of described interfered cell and described antenna port number, obtain the CRS position of described interfered cell；
According to described CRS positional information, carry out interference control.
According to embodiments of the present invention, it is proposed that a kind of interference control method, described method includes:
Measurement report is sent to base station, wherein said measurement report includes the RSRP value of Serving cell and the RSRP value of adjacent area, so that described base station determines that RSRP value is interfered cell more than at least one adjacent area of the RSRP value of described Serving cell, and described base station is made to obtain PCI and the antenna port number of described interfered cell；
Receiving the interference control message that described base station sends, wherein said interference controls message and includes PCI and the antenna port number of described interfered cell；
PCI according to described interfered cell and described antenna port number, obtain the CRS position of described interfered cell；
The signal of described CRS position acquisition deducts the signal received from described interfered cell, or, it is discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, it is proposed that a kind of interference control method, described method includes:
Perform nearby region measurement, select signal in tested adjacent area to send intensity and send at least one adjacent area of intensity as interfered cell more than the signal of Serving cell；
Send request message to base station, for obtaining the antenna port number of described interfered cell, wherein said request message carries the PCI of described interfered cell；
Receiving the response message for described request message that described base station sends, wherein said response message carries the PCI of described interfered cell and the antenna port number of described interfered cell；
PCI according to described interfered cell and the antenna port number of described interfered cell, obtain the CRS position of described interfered cell；
The signal of described CRS position acquisition deducts the signal received from described interfered cell, or, it is discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, it is proposed that a kind of interference control method, described method includes:
First base station sends X2 and sets up request message to the second base station, and wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying the first base station in request message, and/or, carry the CSI-RS information of described first base station,
So that described second base station obtains the CRS position of described first base station according to the PCI of the described Serving cell of described first base station and antenna port number, and judge under described second base station, whether conflict with the CRS position of described first base station in the CRS position of presence service community, and/or the CSI-RS according to described first base station judges whether that the CSI-RS of described second base station conflicts with the CSI-RS of described first base station；
When described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, described first base station changes the PCI of its Serving cell and/or changes the CSI-RS of described first base station.
According to embodiments of the present invention, it is proposed that a kind of interference control method, described method includes:
Second base station receives the first base station and sends X2 foundation request message, and wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying the first base station in request message, and/or, carry the CSI-RS information of described first base station；
Described second base station obtains the CRS position of described first base station according to the PCI of the described Serving cell of described first base station and antenna port number, and judge under described second base station, whether conflict with the CRS position of described first base station in the CRS position of presence service community, and/or the CSI-RS according to described first base station judges whether that the CSI-RS of described second base station conflicts with the CSI-RS of described first base station；
When described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, described second base station changes the PCI of its Serving cell and/or changes the CSI-RS of described second base station.
According to embodiments of the present invention, it is proposed that a kind of subscriber equipment, described subscriber equipment includes:
Measuring unit, is used for performing nearby region measurement, selects signal in tested adjacent area to send intensity and sends at least one adjacent area of intensity as interfered cell more than the signal of Serving cell；
Resolution unit, for resolving the Physical Broadcast Channel PBCH of described interfered cell, obtains the antenna port number of described interfered cell；
CRS position acquisition unit, for the Physical Cell Identifier PCI according to described interfered cell and described antenna port number, obtains the cell reference signaling CRS position of described interfered cell；
Interference control unit, for deducting the signal received from described interfered cell in the signal of described CRS position acquisition, or, it is discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, it is proposed that a kind of base station, described base station includes:
Determine unit, be used for determining interfered cell, and obtain the PCI of interfered cell and described antenna port number；
Transmitting element, controls message for sending interference to UE, and wherein said interference controls message and includes PCI and the antenna port number of described interfered cell,
So that described UE is according to the PCI of described interfered cell and described antenna port number, obtain the CRS position of described interfered cell,
The signal of described CRS position acquisition deducts the signal received from described interfered cell, or, it is discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, it is proposed that a kind of subscriber equipment, described subscriber equipment includes:
Transmitting element, for sending measurement report to base station, wherein said measurement report includes the RSRP value of Serving cell and the RSRP value of adjacent area, so that described base station determines that RSRP value is interfered cell more than at least one adjacent area of the RSRP value of described Serving cell, and described base station is made to obtain PCI and the antenna port number of described interfered cell；
Receiving unit, the interference sent for receiving described base station controls message, and wherein said interference controls message and includes PCI and the antenna port number of described interfered cell；
CRS position acquisition unit, for the PCI according to described interfered cell and described antenna port number, obtains the CRS position of described interfered cell；
Interference control unit, for deducting the signal received from described interfered cell in the signal of described CRS position acquisition, or, it is discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, it is proposed that a kind of subscriber equipment, described subscriber equipment includes:
Measuring unit, is used for performing nearby region measurement, selects signal in tested adjacent area to send intensity and sends at least one adjacent area of intensity as interfered cell more than the signal of Serving cell；
Transmitting element, for sending request message to base station, to obtain the antenna port number of described interfered cell, wherein said request message carries the PCI of described interfered cell；
Receiving unit, for receiving the response message for described request message that described base station sends, wherein said response message carries the PCI of described interfered cell and the antenna port number of described interfered cell；
CRS position acquisition unit, for the antenna port number of the PCI according to described interfered cell and described interfered cell, obtains the cell reference signaling CRS position of described interfered cell；
Interference control unit, for deducting the signal received from described interfered cell in the signal of described CRS position acquisition, or, it is discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, it is proposed that a kind of base station, described base station includes:
X2 request unit, sets up request message for sending X2 to the second base station, and wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying described base station in request message, and/or, carry the CSI-RS information of described base station,
So that described second base station obtains the CRS position of described base station according to the PCI of the described Serving cell of described base station and antenna port number, and judge under described second base station, whether conflict with the CRS position of described base station in the CRS position of presence service community, and/or the CSI-RS according to described base station judges whether that the CSI-RS of described second base station conflicts with the CSI-RS of described base station；
Control unit, for when described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, changing the PCI of the Serving cell of described base station and/or change the CSI-RS of described base station.
According to embodiments of the present invention, it is proposed that a kind of base station, described base station includes:
Receiving unit, be used for receiving the first base station and send X2 foundation request message, wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying the first base station in request message, and/or, carry the CSI-RS information of described first base station；
Conflict determination unit, the CRS position of described first base station is obtained for the PCI of the described Serving cell according to described first base station and antenna port number, and judge under described base station, whether conflict with the CRS position of described first base station in the CRS position of presence service community, and/or the CSI-RS according to described first base station judges whether that the CSI-RS of described base station conflicts with the CSI-RS of described first base station；
Control unit, for when described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, changing the PCI of the Serving cell of described base station and/or change the CSI-RS of described base station.
According to embodiments of the present invention, reduce the neighboring area signal interference to the subscriber equipment in Serving cell, improve subscriber equipment communication quality in Serving cell；Some Hot Spot are also made better to share traffic load for macrocell.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of interference control method according to embodiments of the present invention；
Fig. 2 is the flow chart of the interference control method according to another kind embodiment of the present invention；
Fig. 3 is the flow chart of the interference control method according to another kind embodiment of the present invention；
Fig. 4 is the flow chart of the interference control method according to another kind embodiment of the present invention；
Fig. 5 is the schematic configuration diagram of subscriber equipment according to embodiments of the present invention；
Fig. 6 is the schematic configuration diagram of the subscriber equipment according to further embodiment of the present invention；
Fig. 7 is the schematic configuration diagram of base station according to embodiments of the present invention；
Fig. 8 is the schematic configuration diagram of the subscriber equipment according to another kind embodiment of the present invention；
Fig. 9 is the schematic configuration diagram of the subscriber equipment according to another kind embodiment of the present invention；
Figure 10 is the schematic configuration diagram of the base station according to another kind embodiment of the present invention；
Figure 11 is the schematic configuration diagram of the base station according to further embodiment of the present invention；
Figure 12 is the schematic configuration diagram of the base station according to further embodiment of the present invention；With
Figure 13 is the schematic configuration diagram of the base station according to another kind embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Technical scheme, can apply to various communication system, such as: GSM, CDMA (CDMA, CodeDivisionMultipleAccess) system, WCDMA (WCDMA, WidebandCodeDivisionMultipleAccessWireless), GPRS (general packet radio service) (GPRS, GeneralPacketRadioService), Long Term Evolution (LTE, LongTermEvolution) etc..
Subscriber equipment (UE, UserEquipment), also referred to as mobile terminal (MobileTerminal), mobile subscriber equipment etc., can through wireless access network (such as, RAN, RadioAccessNetwork) communicate with one or more core net, subscriber equipment can be mobile terminal, such as mobile phone (or being called " honeycomb " phone) and the computer with mobile terminal, such as, can be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.
Base station, can be the base station (BTS in GSM or CDMA, BaseTransceiverStation), it can also be the base station (NodeB) in WCDMA, can also is that the evolved base station (eNB or e-NodeB, evolutionalNodeB) in LTE, the present invention does not limit, but for convenience of description, following embodiment illustrates for eNB.
Fig. 1 is the flow chart of interference control method 100 according to embodiments of the present invention.As it is shown in figure 1, interference control method 100 includes:
110: perform nearby region measurement, select signal in tested adjacent area to send intensity and send at least one adjacent area of intensity as interfered cell more than the signal of Serving cell.According to embodiments of the present invention, it is such as Reference Signal Received Power (ReferenceSignalReceivingPower that described signal sends intensity, it is called for short RSRP) and/or Reference Signal Received Quality (ReferenceSignalReceivedQuality is called for short RSRQ).
120: resolve the Physical Broadcast Channel (PhysicalBroadcastingChannel is called for short PBCH) of described interfered cell, obtain the antenna port number of described interfered cell；
130: the Physical Cell Identifier (PhysicalCellIndicator according to described interfered cell, it is called for short PCI) and described antenna port number, obtain cell reference signaling (CellReferenceSignaling the is called for short CRS) position of described interfered cell；
140: according to described CRS positional information, carry out interference control, as described in CRS position acquisition signal in deduct from as described in the signal that receives of interfered cell, or, be discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, the wireless signal of Serving cell can be measured by UE, and the quality of the thus Radio Resource signal of Monitoring Service community.Such as, UE can pass through channel quality instruction (ChannelQualityIndictor, be called for short CQI) measure obtain Signal to Interference plus Noise Ratio (SignaltoInterferenceplusNoiseRatio, it is called for short SINR) value, or UE can pass through RRM (RadioResourcesManagement is called for short RRM) measurement and obtain RSRQ value.SINR value or RSRQ value and serving BS can be sent to the thresholding Thic of UE and compare by UE.If SINR or RSRQ is lower than this thresholding Thic, then it represents that UE is subject to the interference of neighbor cell and causes that signal quality is deteriorated, it is necessary to implement interference and control.If SINR or RSRQ is higher than this thresholding Thic, then it represents that the interference of the neighbor cell that UE is subject to is not serious, it is possible to do not carry out interference control.
According to embodiments of the present invention, when performing nearby region measurement in step 110, it is possible to select RSRP/RSRQ in tested adjacent area to equal or exceed the adjacent area of thresholding Thag (such as, 6dB) as interfered cell than the amount that the RSRP/RSRQ of Serving cell is big.Here interfered cell represents the adjacent area that the UE signal disturbing in Serving cell is stronger.The quantity of interfered cell can select one or more.Such as, according to the RSRP/RSRQ of adjacent area height sequence, select the amount bigger than the RSRP/RSRQ of Serving cell for RSRP/RSRQ several adjacent areas more than Thag as interfered cell.
According to embodiments of the present invention, in step 130 according to the Physical Cell Identifier PCI of described interfered cell and described antenna port number, obtain the cell reference signaling CRS position of described interfered cell, it is necessary to adjacent area is synchronized, thus obtaining the PCI of adjacent area, have also been obtained the PCI of interfered cell simultaneously.After the CRS position obtaining interfered cell, it is possible in step 140 the signal received from interfered cell is carried out ELIMINATION OF ITS INTERFERENCE process.
According to embodiments of the present invention, in step 140, when the data on the Radio Resource that UE receives the CRS position of interfered cell or signaling, UE will implement interference coordination.Such as, the signal resolution from described interfered cell that this CRS position is received by UE is out, and will its whole signals received from this CRS position (including the signal of the signal from Serving cell and all adjacent areas) eliminate, or when the interference strongly of interfered cell, whole signals that this CRS position receives can be abandoned by UE.
In present invention described above embodiment, interference coordination distinguishes interfered cell, namely the work of strong jamming adjacent area is mainly completed by UE side, in a preferred embodiment, above-mentioned thresholding Thag and Thic can be sent to UE beforehand through special message or other notice signaling by base station, carries out interference coordination for UE.Concrete mode passes through system broadcast message and/or RRC dedicated signaling, or MAC (MediumAccessControl medium education) controls signaling or PDCCH (PhysicalDownlinkControlChannel controls signaling).
According to other embodiments of the invention, interference coordination distinguishing, the work of interfered cell can also mainly be completed by base station side.
Fig. 2 is the flow chart of the interference control method 200 of another kind embodiment of the present invention, in such an embodiment, is first picked out interfered cell by base station side, and then notice UE carries out interference coordination.As in figure 2 it is shown, interference control method 200 includes:
210: interfered cell is determined in base station, and obtains PCI and the antenna port number of interfered cell.
According to embodiments of the present invention, base station can adopt various ways to determine interfered cell.A kind of determine interfered cell mode be: base station receive UE send measurement report, wherein said measurement report includes the RSRP value of Serving cell and the RSRP value of adjacent area；Base station determines that RSRP value is interfered cell more than at least one adjacent area of the RSRP value of described Serving cell.As it has been described above, interfered cell can also be determined by RSRQ value in base station.It is similar to above-described embodiment, it is also possible to determine interfered cell by the Serving cell in the UE measurement report sent and adjacent area RSRQ value.
Another kind determines that the mode of interfered cell is: base station is operated by management maintenance entity (Operation, AdministrationandMaintenance, it being called for short OAM) infringement and the relation (being subject to descending strongly disturbing community is victim cell, and the community disturbing other community is infringement community) be injured of the Serving cell that configures and other adjacent area determine that at least one infringement adjacent area is interfered cell.
Another kind determines that the mode of interfered cell is: the relevant narrow emission power (RelativeNarrowbandTXPower that base station is obtained by load instruction (LoadIndication) received, it is called for short RNTP) exceed thresholding and know that the UE of this Serving cell is had descending interference by adjacent area, so that it is determined that interfered cell.
220: send interference to UE and control message, wherein said interference controls message and includes PCI and the antenna port number of described interfered cell, so that described UE is according to the PCI of described interfered cell and described antenna port number, obtain the CRS position of described interfered cell, according to described CRS positional information, carry out interference control, as described in CRS position acquisition signal in deduct from as described in the signal that receives of interfered cell, or, it is discarded in the signal of described CRS position acquisition.
According to this embodiment of the present invention, when determining interfered cell by RSRP/RSRQ value or RNTP value in step 210, RSRP/RSRQ or the RNTP value of adjacent area can be ranked up by base station according to height, so that it is determined that one or more interfered cell.Identical with the interference control method 100 of above-described embodiment, base station can select RSRP/RSRQ or RNTP value in tested adjacent area to equal or exceed the adjacent area of thresholding Thag (such as, 6dB) as interfered cell than the amount that RSRP/RSRQ or the RNTP value of Serving cell is big.
After base station picks out interfered cell, then in a step 220 interfered cell can be notified UE, in order to UE carries out interference coordination.Concrete interference coordination mechanism is similar to the step 140 in above-mentioned interference control method 100, and namely when the data on the Radio Resource that UE receives the CRS position of interfered cell or signaling, UE will implement interference coordination.Such as, the signal resolution from described interfered cell that this CRS position is received by UE is out, and will its whole signals received from this CRS position (including the signal of the signal from Serving cell and all adjacent areas) eliminate, or when the interference strongly of interfered cell, whole signals that this CRS position receives can be abandoned by UE.
In the present embodiment, if determining interfered cell by RSRP/RSRQ value, then from UE side, the work that UE mainly completes is:
UE sends measurement report to base station, wherein said measurement report includes the RSRP/RSRQ value of Serving cell and the RSRP/RSRQ value of adjacent area, so that described base station determines that RSRP/RSRQ value is interfered cell more than at least one adjacent area of the RSRP/RSRQ value of described Serving cell, and described base station is made to obtain PCI and the antenna port number of described interfered cell；
UE receives the interference control message that described base station sends, and wherein said interference controls message and includes PCI and the antenna port number of described interfered cell；
UE, according to the PCI of described interfered cell and described antenna port number, obtains the CRS position of described interfered cell；
UE, according to described CRS positional information, carries out interference control, as described in CRS position acquisition signal in deduct from as described in the signal that receives of interfered cell, or, be discarded in the signal of described CRS position acquisition.
According to other embodiments of the invention, interference coordination can by base station and UE cooperative achievement.
Fig. 3 is the flow chart of the interference control method 300 according to another kind example of the present invention, in such an embodiment, is first determined interfered cell by UE side, and then base station side obtains PCI and the antenna port number of interfered cell, is then carried out interference coordination by UE side.As it is shown on figure 3, interference control method 300 includes:
310: perform nearby region measurement, select signal in tested adjacent area to send intensity and send at least one adjacent area of intensity as interfered cell more than the signal of Serving cell；
320: send request message to base station, for obtaining the antenna port number of described interfered cell, wherein said request message carries the PCI of described interfered cell；
330: receiving the interfered cell response message for described request message of base station transmission, wherein said response message carries the PCI of described interfered cell and the antenna port number of described interfered cell；
340: the antenna port number according to the PCI of described interfered cell and described interfered cell, obtain the CRS position of described interfered cell；
350: according to described CRS positional information, carry out interference control, as described in CRS position acquisition signal in deduct from as described in the signal that receives of interfered cell, or, be discarded in the signal of described CRS position acquisition.
Identical with embodiment illustrated in fig. 1, described signal sends intensity and RSRP or RSRQ value can be utilized to represent.
Identical with embodiment described in Fig. 1, according to Fig. 3 the embodiment of the present invention, the wireless signal of Serving cell can be measured by UE, and the quality of the thus Radio Resource signal of Monitoring Service community.Such as, UE can obtain SINR value by CQI measurement, or UE can obtain RSRQ value by RRM measurement.SINR value or RSRQ value and serving BS can be sent to the thresholding Thic of UE and compare by UE.If SINR or RSRQ is lower than this thresholding Thic, then it represents that UE is subject to the interference of neighbor cell and causes that signal quality is deteriorated, it is necessary to implement interference and control.If SINR or RSRQ is higher than this thresholding Thic, then it represents that the interference of the neighbor cell that UE is subject to is not serious, it is possible to do not carry out interference control.
According to embodiments of the present invention, when performing nearby region measurement in the step 310, it is possible to select RSRP/RSRQ in tested adjacent area to equal or exceed the adjacent area of thresholding Thag (such as, 6dB) as interfered cell than the amount that the RSRP/RSRQ of Serving cell is big.Here interfered cell represents the adjacent area that the UE signal disturbing in Serving cell is stronger.The quantity of interfered cell can select one or more.Such as, according to the RSRP/RSRQ of adjacent area height sequence, select the amount bigger than the RSRP/RSRQ of Serving cell for RSRP/RSRQ several adjacent areas more than Thag as interfered cell.
With embodiment illustrated in fig. 1 the difference is that, according to embodiment illustrated in fig. 3, in step 320, UE sends request message according to the PCI of described interfered cell to base station, to obtain the antenna port number of described interfered cell.Then in a step 330, UE receives the response message for described request message that base station sends, and the antenna port number of described interfered cell is sent to UE.After the CRS position obtaining interfered cell, UE in step 340 according to the PCI of described interfered cell and antenna port number, can obtain the CRS position of described interfered cell.Then in step 350 the signal received from interfered cell is carried out ELIMINATION OF ITS INTERFERENCE process.
According to embodiments of the present invention, in step 350, when the data on the Radio Resource that UE receives the CRS position of interfered cell or signaling, UE will implement interference coordination.Such as, the signal resolution from described interfered cell that this CRS position is received by UE is out, and will its whole signals received from this CRS position (including the signal of the signal from Serving cell and all adjacent areas) eliminate, or when the interference strongly of interfered cell, whole signals that this CRS position receives can be abandoned by UE.
In the embodiment of the present invention shown in Fig. 3, interference coordination distinguishes interfered cell, namely the work of strong jamming adjacent area has been worked in coordination with by UE side and base station side, in a preferred embodiment, above-mentioned thresholding Thag and Thic can be sent to UE beforehand through special message or other notice signaling by base station, carries out interference coordination for UE.Concrete mode passes through system broadcast message and/or RRC dedicated signaling, or MAC (MediumAccessControl medium education) controls signaling or PDCCH (PhysicalDownlinkControlChannel controls signaling).
UE is subject to the interference of the signal from adjacent area, clashes mainly due to the CRS position of Serving cell and the CRS position of adjacent area and is caused.There is channel condition information reference signaling (ChannelStatusInformationReferenceSignaling, it is called for short CSI-RS) when, the CSI-RS configuration information of Serving cell and the CSI-RS configuration information of adjacent area clash and also the UE in Serving cell will be produced interference.Therefore, according to another kind embodiment of the present invention, can consider to coordinate between the base station eNB 1 in Serving cell and the base station eNB 2 in adjacent area, it is to avoid the CRS/CSI-RS of eNB1 and eNB2 clashes, and thus weakens the interference even eliminated the UE in Serving cell.
Fig. 4 is the flow chart of the interference control method 400 of another kind embodiment of the present invention.As described in Figure 4, interference control method 400 includes:
410: the first base station eNB 1 send X2 to the second base station eNB 2 and set up request message, and wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying the first base station eNB 1 in request message, and/or, carry the CSI-RS information of described first base station,
So that described second base station eNB 2 obtains the CRS position of described first base station according to the PCI of the described Serving cell of described first base station eNB 1 and antenna port number, and 2 times whether conflict with the CRS position of described first base station eNB 1 in the CRS position of presence service community to judge described second base station eNB, and/or the CSI-RS according to described first base station eNB 1 judges whether that the CSI-RS of described second base station eNB 2 conflicts with the CSI-RS of described first base station eNB 1；
420: when described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, described first base station eNB 1 changes the PCI of its Serving cell and/or changes the CSI-RS of described first base station eNB 1.
ENB1 changes the PCI of its Serving cell and so that its CRS position changes, therefore no longer can clash with the CRS position of eNB2.
According to embodiments of the present invention, eNB1 is changed its PCI and/or changes its CSI-RS configuration information and can be held consultation by eNB1 and eNB2 and realize.The process of implementing is:
First base station eNB 1 receives the X2 that described second base station eNB 2 sends and sets up response message, and wherein said X2 sets up to carry in response message and asks described first base station eNB 1 change the PCI of its Serving cell and/or change the solicited message of CSI-RS of described first base station；
First base station eNB 1 solicited message according to the PCI of described change Serving cell and/or the CSI-RS changing described first base station eNB 1, changes the PCI of the Serving cell of the first base station eNB 1 and/or changes the CSI-RS of described first base station；
First base station eNB 1 sends configuration update message to the second base station eNB 2, wherein said configuration update message carry the PCI of the Serving cell of described first base station eNB 1 after change and/or change after the CSI-RS of described first base station eNB 2.
According to another kind embodiment of the present invention, eNB1 according to the request of eNB2, can also offset the position of CRS and/or CSI-RS of eNB1.The process of implementing is:
First base station eNB 1 receives the time migration message that the second base station eNB 2 sends, and wherein said time migration message carries time symbol offset value or sub-frame offset value；
First base station eNB 1, according to the described time symbol offset value in described time symbol offset message, offsets the CRS of described first base station and/or offsets the CSI-RS of described first base station eNB 1.
According to another kind embodiment of the present invention, eNB2 can also change PCI and/or the CSI-RS configuration of the Serving cell of oneself, to avoid CRS and/or CSI-RS with eNB1 to collide.Observing from eNB2 side, the groundwork that eNB2 completes is:
Second base station eNB 2 receives the first base station eNB 1 and sends X2 foundation request message, and wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying the first base station eNB 1 in request message, and/or, carry the CSI-RS information of described first base station eNB 1；
Second base station eNB 2 obtains the CRS position of the first base station eNB 1 according to the PCI of the described Serving cell of the first base station eNB 1 and antenna port number, and 2 times whether conflict with the CRS position of the first base station eNB 1 in the CRS position of presence service community to judge the second base station eNB, and/or the CSI-RS according to described first base station eNB 1 judges whether that the CSI-RS of described second base station eNB 2 conflicts with the CSI-RS of described first base station eNB 1；
When described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, described second base station eNB 2 changes the PCI of its Serving cell and/or changes the CSI-RS of described second base station.
According to another kind embodiment of the present invention, when there is the conflict of CRS position and/or the conflict of described CSI-RS position, second base station eNB 2 oneself can also offset CRS and/or the CSI-RS configuration of its Serving cell, described skew is time symbol offset or sub-frame offset, and notify the first base station eNB 1, to avoid CRS/CSI-RS to conflict.
According to embodiments of the present invention, reduce the neighboring area signal interference to the subscriber equipment in Serving cell, improve subscriber equipment communication quality in Serving cell；Some Hot Spot are also made better to share traffic load for macrocell.
According to embodiments of the present invention, it is also proposed that be used for realizing subscriber equipment and the base station of the interference control method of the embodiment of the present invention.It should be noted that the feature in the method for the embodiment of the present invention is equally applicable to subscriber equipment and the base station of the embodiment of the present invention.
Fig. 5 is the schematic configuration diagram of the subscriber equipment 500 of the embodiment of the present invention.As it is shown in figure 5, subscriber equipment 500 includes:
Measuring unit 510, is used for performing nearby region measurement, selects signal in tested adjacent area to send intensity and sends at least one adjacent area of intensity as interfered cell more than the signal of Serving cell；
Resolution unit 520, for resolving the Physical Broadcast Channel PBCH of described interfered cell, obtains the antenna port number of described interfered cell；
CRS position acquisition unit 530, for the Physical Cell Identifier PCI according to described interfered cell and described antenna port number, obtains the cell reference signaling CRS position of described interfered cell；
Interference control unit 540, according to described CRS positional information, carries out interference control, be used for as described in CRS position acquisition signal in deduct from as described in the signal that receives of interfered cell, or, be discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, described signal sends intensity can be utilize RSRP or RSRQ value to represent.
According to embodiments of the present invention, before described execution nearby region measurement, described measuring unit 510 is additionally operable to perform serving cell signal quality and measures, to obtain the measured value representing serving cell signal quality, when measured value drops to below the first thresholding, carry out described execution nearby region measurement.
According to embodiments of the present invention, the serving cell signal quality measurement that described measuring unit 510 performs includes cqi CQI and measures, and described measured value is signal and interference-to-noise ratio SINR value, or
The described execution serving cell signal quality measurement that described measuring unit 510 performs includes RRM RRM and measures, and described measured value is Reference Signal Received Quality RSRQ value.
According to embodiments of the present invention, in described execution nearby region measurement, described measuring unit 510 selects amount bigger than the RSRP of Serving cell for RSRP in tested adjacent area to be the second thresholding, and namely at least one adjacent area of Thag (such as, 6dB) is as described interfered cell.
According to embodiments of the present invention, in described execution nearby region measurement, described measuring unit 510 selects amount bigger than the RSRQ of Serving cell for RSRQ in tested adjacent area to be the second thresholding, and namely at least one adjacent area of Thag (such as, 6dB) is as described interfered cell.
According to embodiments of the present invention, as shown in Figure 6, described subscriber equipment 500 also includes receiving unit 550, and the interference sent for receiving base station controls message, and wherein said interference controls message and includes described first thresholding and described second thresholding.
Fig. 7 is the schematic configuration diagram of the base station 700 of the embodiment of the present invention.As shown in Figure 6, base station 600 includes:
Determine unit 710, be used for determining interfered cell, and obtain the PCI of interfered cell and described antenna port number；
Transmitting element 720, message is controlled for sending interference to UE, wherein said interference controls message and includes PCI and the antenna port number of described interfered cell, so that described UE is according to the PCI of described interfered cell and described antenna port number, obtain the CRS position of described interfered cell, according to described CRS positional information, carry out interference control, as described in CRS position acquisition signal in deduct from as described in the signal that receives of interfered cell, or, be discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, described determine unit 710 for receive user equipment (UE) send measurement report, wherein said measurement report includes the RSRP value of Serving cell and the RSRP value of adjacent area, and for determining that RSRP value is interfered cell more than at least one adjacent area of the RSRP value of described Serving cell, and obtain PCI and the antenna port number of described interfered cell.
According to embodiments of the present invention, described determine unit 710 for receive user equipment (UE) send measurement report, wherein said measurement report includes the RSRQ value of Serving cell and the RSRQ value of adjacent area, and for determining that RSRQ value is interfered cell more than at least one adjacent area of the RSRQ value of described Serving cell, and obtain PCI and the antenna port number of described interfered cell.
According to embodiments of the present invention, described determine for the infringement of the Serving cell that configured by OAM and other adjacent area and the relation be injured, unit 710 determines that at least one infringement adjacent area is interfered cell.
According to embodiments of the present invention, described determine that unit 710 is exceeded thresholding for the RNTP obtained by the instruction of the load that receives and knows that the UE of this Serving cell is had descending interference by adjacent area, so that it is determined that interfered cell.
According to embodiments of the present invention, described determining that unit 720 is for determining that the amount that RSRP value is bigger than the RSRP value of described Serving cell is the second thresholding, namely the adjacent area of Thag (such as, 6dB) is described interfered cell.
According to embodiments of the present invention, described determining that unit 720 can be used for determining that the amount that RSRQ value is bigger than the RSRQ value of described Serving cell is the second thresholding, namely the adjacent area of Thag (such as, 6dB) is described interfered cell.
Fig. 8 is the schematic configuration diagram of another kind of subscriber equipment 800 according to embodiments of the present invention.As shown in Figure 8, subscriber equipment 800 includes:
Transmitting element 810, for sending measurement report to base station, wherein said measurement report includes the RSRP value of Serving cell and the RSRP value of adjacent area, so that described base station determines that RSRP value is interfered cell more than at least one adjacent area of the RSRP value of described Serving cell, and described base station is made to obtain PCI and the antenna port number of described interfered cell；
Receiving unit 820, the interference sent for receiving described base station controls message, and wherein said interference controls message and includes PCI and the antenna port number of described interfered cell；
CRS position acquisition unit 830, for the PCI according to described interfered cell and described antenna port number, obtains the CRS position of described interfered cell；
Interference control unit 840, according to described CRS positional information, carries out interference control, be used for as described in CRS position acquisition signal in deduct from as described in the signal that receives of interfered cell, or, be discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, the measurement report that transmitting element 810 sends to base station can also include the RSRQ value of Serving cell and the RSRQ value of adjacent area, so that described base station determines that RSRQ value is interfered cell more than at least one adjacent area of the RSRQ value of described Serving cell, and described base station is made to obtain PCI and the antenna port number of described interfered cell.
According to embodiments of the present invention, described transmitting element 810 for sending measurement report to described base station, making the amount that described base station determines that RSRP value is bigger than the RSRP value of described Serving cell is the second thresholding, and namely the adjacent area of Thag (such as, 6dB) is described interfered cell.
According to embodiments of the present invention, described transmitting element 810 for sending measurement report to described base station, making the amount that described base station determines that RSRQ value is bigger than the RSRQ value of described Serving cell is the second thresholding, and namely the adjacent area of Thag (such as, 6dB) is described interfered cell.
Fig. 9 is the schematic configuration diagram of another kind of subscriber equipment according to embodiments of the present invention.As it is shown in figure 9, subscriber equipment 900 includes:
Measuring unit 910, is used for performing nearby region measurement, selects signal in tested adjacent area to send intensity and sends at least one adjacent area of intensity as interfered cell more than the signal of Serving cell；
Transmitting element 920, for sending request message to base station, to obtain the antenna port number of described interfered cell, wherein said request message carries the PCI of described interfered cell；
Receiving unit 930, for receiving the response message for described request message that described base station sends, wherein said response message carries the PCI of described interfered cell and the antenna port number of described interfered cell；
CRS position acquisition unit 940, for the antenna port number of the PCI according to described interfered cell and described interfered cell, obtains the cell reference signaling CRS position of described interfered cell；
Interference control unit 950, for according to described CRS positional information, carrying out interference control, e.g., the signal of described CRS position acquisition deduct the signal received from described interfered cell, or, it is discarded in the signal of described CRS position acquisition.
According to embodiments of the present invention, signal receiving strength can represent with RSRP or RSRQ.
It is similar to subscriber equipment 500 shown in Fig. 5, according to embodiments of the present invention, before described execution nearby region measurement, described measuring unit 910 is additionally operable to perform serving cell signal quality and measures, to obtain the measured value representing serving cell signal quality, when measured value drops to below the first thresholding, carry out described execution nearby region measurement.
Being similar to subscriber equipment 500 shown in Fig. 5, according to embodiments of the present invention, the serving cell signal quality measurement that described measuring unit 910 performs includes cqi CQI and measures, and described measured value is signal and interference-to-noise ratio SINR value, or
The described execution serving cell signal quality measurement that described measuring unit performs includes RRM RRM and measures, and described measured value is Reference Signal Received Quality RSRQ value.
Being similar to subscriber equipment 500 shown in Fig. 5, according to embodiments of the present invention, in described execution nearby region measurement, described measuring unit 910 selects at least one adjacent area that amount is the second thresholding bigger than the RSRP of Serving cell for RSRP in tested adjacent area as described interfered cell.
Being similar to subscriber equipment 500 shown in Fig. 5, according to embodiments of the present invention, in described execution nearby region measurement, described measuring unit 910 selects at least one adjacent area that amount is the second thresholding bigger than the RSRQ of Serving cell for RSRQ in tested adjacent area as described interfered cell.
According to embodiments of the present invention, described reception unit 930 is additionally operable to receive the interference control message that base station sends, and wherein said interference controls message and includes described first thresholding and described second thresholding.
Figure 10 is the schematic configuration diagram of another kind of base station 1000 according to embodiments of the present invention.Base station 1000 is realized as the eNB1 in the method in the above embodiment of the present invention.As shown in Figure 10, base station 1000 includes:
X2 request unit 1010, sets up request message for sending X2 to the second base station, and wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying described base station 1000 in request message, and/or, carry the CSI-RS information of described base station 1000,
So that described second base station obtains the CRS position of described base station 1000 according to the PCI of the described Serving cell of described base station 1000 and antenna port number, and judge under described second base station, whether conflict with the CRS position of described base station 800 in the CRS position of presence service community, and/or the CSI-RS according to described base station 800 judges whether that the CSI-RS of described second base station conflicts with the CSI-RS of described base station 1000；
Control unit 1020, for when described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, changing the PCI of the Serving cell of described base station 1000 and/or change the CSI-RS of described base station.
According to embodiments of the present invention, as shown in figure 11, described base station 1000 can also include:
X2 response unit 1030, the X2 sent for receiving described second base station sets up response message, and wherein said X2 sets up to carry in response message and asks described base station 800 change the PCI of its Serving cell and/or change the solicited message of CSI-RS of described base station 1000,
The described control unit 1020 solicited message according to the PCI of described change Serving cell and/or the CSI-RS changing described base station 1000, changes the PCI of the Serving cell of described base station 1000 and/or changes the CSI-RS of described base station 800；
Transmitting element 1040, for sending configuration update message to described second base station, wherein said configuration update message carry the PCI of the Serving cell of the described base station 800 after change and/or change after the CSI-RS of described base station 1000.
According to another kind embodiment of the present invention, as shown in figure 12, with embodiment illustrated in fig. 11 the difference is that, described base station 1000 may include that
Offset units 1050, for receiving the time symbol offset message that described second base station sends, wherein said time symbol offset message carries time symbol offset value；
Described control unit 1020, according to the described time symbol offset value in described time symbol offset message, offsets the PCI of the Serving cell of described base station 1000 and/or offsets the CSI-RS of described base station 800.
Figure 13 is the schematic configuration diagram of another kind of base station 1300 according to embodiments of the present invention.Base station 1300 is realized as the eNB2 in the method in the above embodiment of the present invention.As shown in figure 11, base station 1300 includes:
Receiving unit 1310, be used for receiving the first base station and send X2 foundation request message, wherein said X2 sets up PCI and the antenna port number of the Serving cell carrying the first base station in request message, and/or, carry the CSI-RS information of described first base station；
Conflict determination unit 1320, the CRS position of described first base station is obtained for the PCI of the described Serving cell according to described first base station and antenna port number, and judge 1300 times whether conflict with the CRS position of described first base station in the CRS position of presence service community in described base station, and/or the CSI-RS according to described first base station judges whether that the CSI-RS of described base station 1300 conflicts with the CSI-RS of described first base station；
Control unit 1330, for when described judged result is for existing the conflict of CRS position and/or described CSI-RS conflict, changing the PCI of the Serving cell of described base station 1300 and/or change the CSI-RS of described base station.
Those of ordinary skill in the art are it is to be appreciated that the unit of each example that describes in conjunction with the embodiments described herein and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the specific works process of the system of foregoing description, device and unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it is possible to realize by another way.Such as, device embodiment described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, device or unit, it is possible to be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
If described function is using the form realization of SFU software functional unit and as independent production marketing or use, it is possible to be stored in a computer read/write memory medium.Based on such understanding, part or the part of this technical scheme that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (8)
1. an interference control method, it is characterised in that
It is operated by managing the infringement of the minizone of maintenance entity OAM configuration and relation of being injured to determine that at least one adjacent area is for interfered cell；
Obtain PCI and the antenna port number of interfered cell；
Send interference to UE and control message, wherein said interference controls message and includes PCI and the antenna port number of described interfered cell, described interference controls message for notifying that described UE is according to the PCI of described interfered cell and described antenna port number, obtain the CRS position of described interfered cell, and according to described CRS positional information, carry out interference control.
2. the method for claim 1, it is characterised in that encroaching on and be injured in relation, being subject to descending strongly disturbing community is victim cell, the community disturbing other community is infringement community.
3. an interference control method, it is characterised in that including:
Receiving the interference control message that base station sends, wherein said interference controls message and includes PCI and the antenna port number of interfered cell；
PCI according to described interfered cell and described antenna port number, obtain the CRS position of described interfered cell；
According to described CRS positional information, carry out interference control.
4. method as claimed in claim 3, it is characterised in that described according to described CRS positional information, carries out interference control and includes: deduct, from the signal obtained, the signal received from described interfered cell, or, it is discarded in the signal of described CRS position acquisition.
5. a base station, it is characterised in that described base station includes:
Determine unit, for determining that the infringement by the OAM Serving cell configured and other adjacent area and the relation be injured determine that at least one infringement adjacent area is interfered cell, and obtain PCI and the antenna port number of interfered cell；
Transmitting element, message is controlled for sending interference to UE, wherein said interference controls message and includes PCI and the antenna port number of described interfered cell, described interference controls message for notifying that described UE is according to the PCI of described interfered cell and described antenna port number, obtain the CRS position of described interfered cell, and according to described CRS positional information, carry out interference control.
6. base station as claimed in claim 5, it is characterised in that encroaching on and be injured in relation, being subject to descending strongly disturbing community is victim cell, the community disturbing other community is infringement community.
7. a subscriber equipment, it is characterised in that including:
Receiving unit, the interference sent for receiving described base station controls message, and wherein said interference controls message and includes PCI and the antenna port number of described interfered cell；
CRS position acquisition unit, for the PCI according to described interfered cell and described antenna port number, obtains the CRS position of described interfered cell；
Interference control unit, for according to described CRS positional information, carrying out interference control.
8. subscriber equipment as claimed in claim 7, it is characterised in that described interference control unit, for deducting, from the signal obtained, the signal received from described interfered cell, or, it is discarded in the signal of described CRS position acquisition.
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| CN108738064B (en) * | 2017-04-18 | 2021-08-17 | 中国移动通信集团山西有限公司 | Uplink interference positioning method and device |
| CN112771972A (en) * | 2018-09-28 | 2021-05-07 | 高通股份有限公司 | Enhancement by aggressor-victim relationships |
| CN112771972B (en) * | 2018-09-28 | 2024-03-29 | 高通股份有限公司 | Method and apparatus for augmentation by aggressor-victim relationship |
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