CN105379389A - Base station and communication method for reducing channel interference - Google Patents

Abstract

Disclosed are a communication device and communication method for reducing channel interference. In the method, by determining parameters of an interference elimination resource, and sending same to a device of a serving node, the device of the serving node can determine interference resources used by adjacent nodes, and can recognize interference signals of the adjacent nodes and then eliminate same targetedly. Since there is no need to set a blank frame, the normal communication between a serving node and adjacent nodes will not be affected. Therefore, this solution can reduce channel interference on the premise of not affecting the data communication, thereby improving the quality of communication between a user equipment and a base station.

Description

Base station and communication method for reducing channel interference

It is a kind of to be used to reduce the base station of channel disturbance and logical ^ methods

Technical field

The present invention relates to the communications field, more particularly to a kind of communication equipment and communication means for being used to reduce channel disturbance.

Background technology

Generally, in Long Term Evolution（Long Term Evolution, LTE) and LTE-A (Long Term Evolution Advanced) system in there is a situation where using with frequency carry out networking.So, adjacent cell may be interfered each other simultaneously in the downlink channel transmission data of same frequency.When heterogeneous network and cell are arranged net, this problem may be protruded more.As shown in Fig. 1, different base stations uses same frequency to user equipment simultaneously（User equipment, UE) send signal so that and two paths of signals constitutes interference each other.When disturbed be Physical Downlink Shared Channel (physical downlink shared channel, PDSCH) channel when, the communication quality between UE and base station can be had a strong impact on.

Currently in order to overcome above mentioned problem, can be by the way that the part-time section of the cell portion in the cell interfered be arranged into almost blank subframe（Almost-blank subframe, ABS) subframe reduces channel disturbance.The part subframe in neighbor cell is such as arranged to ABS subframes.In ABS subframes, neighbor cell does not send any downstream signal substantially.So, interference of the neighbor cell to serving cell in the subframe position will be reduced.The communication quality of serving cell has been lifted due to the ABS subframes that neighbor cell is set.But, the part subframe of neighbor cell is arranged to ABS subframes so that neighbor cell can not carry out downlink data transmission in the subframe, and then have a strong impact on the data throughout of neighbor cell, have impact on the proper communication of neighbor cell.

So, when neighbor cell is identical or overlapping with serving cell channel resource, it can be interfered between cell.In the prior art in order to reduce the data throughout that neighbor cell have lost neighbor cell to the interference effect of serving cell so that the experience of the user in neighbor cell declines. The content of the invention

The embodiments of the invention provide a kind of communication equipment and communication means for being used to reduce channel disturbance, channel disturbance can be reduced on the premise of proper communication is not influenceed.

Embodiments of the invention provide a kind of base station, and the base station, which belongs to, also includes the adjacent node of the base station in wireless communication system, the wireless communication system, the base station includes：Processing unit, for determining that interference eliminates the parameter of resource, it is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the base station；Transmitting element, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the base station.

Alternatively, the base station Jin mono- Walk include：Receiving unit, for receiving the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, receive a part for the parameter for the interference elimination resource that the adjacent node is sent.

Alternatively, the processing unit Jin mono- Walk are used to generate request message, and the request message is used for the parameter for asking the interference to eliminate resource to the adjacent node；

The transmitting element, is additionally operable to the request message being sent to the adjacent node.Alternatively, the transmitting element, Jin mono- Walk are used to the parameter that the interference eliminates resource being sent to the adjacent node；The parameter that the interference eliminates resource is used to indicate that the adjacent node eliminates resource using the interference corresponding to the parameter of the interference elimination resource and communicated with the user equipment of the adjacent node.

Alternatively, the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.Alternatively, the parameter Jin mono- Walk of the interference elimination resource include at least one of parameters described below：The parameter of physical resource used in Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH), modulation used in PDSCH Mode, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

Alternatively, the transmitting element Jin mono- Walk are used for the user equipment to the base station by the identification notification of at least one cell of the adjacent node, and the parameter that the cell ID and the interference eliminate resource is used to indicate that the user equipment of the base station to be eliminated to the signal received in the interference elimination resource of the cell as interference signal.

Embodiments of the invention provide a kind of base station, and the base station, which belongs to, also includes the service node adjacent with the base station in wireless communication system, the wireless communication system, the base station includes：Processing unit, for determining that interference eliminates the parameter of resource；It is down channel resources used in the base station that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；Transmitting element, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the service node.

Alternatively, the base station Jin mono- Walk include：Receiving unit, for receiving the whole that the interference that the service node is sent eliminates the parameter of resource；Or, receive a part for the parameter for the interference elimination resource that the service node is sent.

Alternatively, the transmitting element, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the service node, including：At least a portion for the parameter that the interference is eliminated into resource by broadcasting the message is sent to the user equipment of the service node；Or including：At least a portion for the parameter that the interference is eliminated into resource is sent to the user equipment of the service node by the service node.

Alternatively, the transmitting element, Jin mono- Walk communicate for the corresponding interference elimination resource of parameter for eliminating resource using the interference with the user equipment of the adjacent node.

Alternatively, under the parameter of the interference elimination resource is included used in the adjacent node The pilot frequency information of row channel.Alternatively, the parameter of the interference elimination resource includes at least one of parameters described below：The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

Alternatively, the transmitting element Jin mono- Walk are used for the user equipment that the mark of at least one cell of the base station is sent to the service node, and the parameter that the cell ID and the interference eliminate resource is used to indicate that the user equipment of the service node to be eliminated to the signal received in the interference elimination resource of the cell as interference signal.

Embodiments of the invention provide a kind of user equipment, the user equipment, which belongs to, also includes the adjacent node of the service node that service is provided for the user equipment, and the service node in wireless communication system, the wireless communication system, characterized in that, the user equipment includes：Receiving unit, the parameter of resource is eliminated for receiving interference, it is down channel resources used in the adjacent node that the interference, which eliminates resource,；Processing unit, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal.

Alternatively, the parameter, is to receive or received from the adjacent node from the service node.

Alternatively, the receiving unit, Jin mono- Walk are used to receive signal, and the signal includes the signal that the service node and the adjacent node are sent；The processing unit, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal, including：For down channel used in adjacent node described in the parameter Estimation according to the interference elimination resource；And for from received signal, the downstream signal sent on the down channel to be eliminated as interference signal.

Alternatively, under the parameter of the interference elimination resource is included used in the adjacent node The pilot frequency information of row channel；The processing unit, for down channel used in adjacent node described in the parameter Estimation according to the interference elimination resource, including：For estimating the down channel according to the pilot frequency information.

Alternatively, the parameter Jin mono- Walk of the interference elimination resource include at least one of parameters described below：The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

Embodiments of the invention provide a kind of communication means for being used to reduce channel disturbance.Methods described is applied to wireless communication system, and the wireless communication system includes providing the service node serviced for user equipment, and the service node adjacent node, methods described includes：The service node determines that interference eliminates the parameter of resource；It is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；At least a portion for the parameter that the interference is eliminated resource by the service node is sent to the user equipment of the service node.

Alternatively, the interference that the service node is determined eliminates the parameter of resource, is the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, it is the part that the interference that the adjacent node is sent eliminates the parameter of resource.

Alternatively, the communication means Jin mono- Walk include：The service node asks the parameter of interference elimination resource to the adjacent node.

Alternatively, the communication means Jin mono- Walk include：The parameter that the interference eliminates resource is sent to the adjacent node by the service node；The parameter that the interference eliminates resource is used to indicate that the adjacent node eliminates resource using the interference corresponding to the parameter of the interference elimination resource and communicated with the user equipment of the adjacent node. Alternatively, the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.Alternatively, the parameter Jin mono- Walk of the interference elimination resource include at least one of parameters described below：The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

Alternatively, the communication means Jin mono- Walk include：The mark of at least one cell of adjacent node described in the user equipment is notified, the parameter that the cell ID and the interference eliminate resource is eliminated for instruction user equipment to the signal received in the interference elimination resource of the cell as interference signal.

Embodiments of the invention provide a kind of communication means for being used to reduce channel disturbance.Methods described is applied to wireless communication system, and the wireless communication system includes the service node of served user equipment, and the service node adjacent node, methods described includes：The adjacent node determines that interference eliminates the parameter of resource；It is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；At least a portion for the parameter that the interference is eliminated resource by the adjacent node is sent to the user equipment of the service node.

Alternatively, the interference eliminates the parameter of resource, is the whole that the interference that the service node is sent eliminates the parameter of resource；Or, it is the part that the interference that the service node is sent eliminates the parameter of resource.

Alternatively, at least a portion for the parameter that the interference is eliminated resource by the adjacent node is sent to the user equipment of the service node, is specially：At least a portion for the parameter that the interference is eliminated resource by the adjacent node by broadcasting the message is sent to the user equipment of the service node；Or including：The interference is eliminated the parameter of resource extremely by the adjacent node A few part is sent to the user equipment of the service node by the service node.

Alternatively, the communication means Jin mono- Walk include：The corresponding interference of parameter for eliminating resource using the interference eliminates resource and communicated with the user equipment of adjacent node.

Alternatively, the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.Alternatively, the parameter of the interference elimination resource includes at least one of parameters described below：The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

Alternatively, the communication means Jin mono- Walk include：The parameter that the user equipment that the mark of at least one cell of the base station is sent to the service node in adjacent node, the cell ID and the interference eliminate resource is used to indicate that the user equipment of the service node to be eliminated to the signal received in the interference elimination resource of the cell as interference signal.

Embodiments of the invention provide a kind of communication means for reducing channel disturbance.Methods described is applied to wireless communication system, and the wireless communication system includes providing the service node serviced for the user equipment, and the service node adjacent node, methods described includes：The user equipment receives the parameter that interference eliminates resource, it is down channel resources used in the adjacent node that the interference, which eliminates resource, and the interference that the user equipment eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal.

Alternatively, the parameter, is to receive or received from the adjacent node from the service node.

Alternatively, methods described Jin mono- Walk include：Signal is received, the signal includes the signal that the service node and the adjacent node are sent；The interference that the user equipment eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal, including：Used in the adjacent node according to the interference eliminates the parameter Estimation of resource Down channel；And from received signal, the downstream signal sent on the down channel is eliminated as interference signal.

Alternatively, the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node；The down channel used in adjacent node according to the interference eliminates the parameter Estimation of resource, including：The user equipment estimates the down channel according to the pilot frequency information.

Alternatively, the parameter Jin mono- Walk of the interference elimination resource include at least one of parameters described below：The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

Embodiments of the invention provide a kind of base station, and the base station, which belongs to, also includes the adjacent node of the base station in wireless communication system, the wireless communication system, the base station includes：Receiving unit, the upward signal for receiving user equipment transmission；Processing unit, for determining that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource, and is eliminated for the interference corresponding to the parameter of the interference elimination resource to be eliminated into the upward signal received in resource as interference signal.

Alternatively, the receiving unit, Jin mono- Walk are used for the whole for receiving the parameter for the interference elimination resource that the adjacent node is sent；Or, receive a part for the parameter for the interference elimination resource that the adjacent node is sent.

Alternatively, the processing unit Jin mono- Walk are used to generate request message, and the request message is used for the parameter for asking the interference to eliminate resource to the adjacent node；The base station Jin mono- Walk include transmitting element, for the request message to be sent into the adjacent node

Alternatively, the processing unit, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal, including：For root Up channel used in adjacent node described in the parameter Estimation of resource is eliminated according to the interference；And for from the upward signal received, the upward signal sent on the up channel to be eliminated as interference signal.

Alternatively, the parameter that the interference eliminates resource includes the pilot frequency information of up channel used in the adjacent node；The processing unit, for up channel used in the user equipment of adjacent node described in the parameter Estimation according to the interference elimination resource, including：The processing unit, for estimating the up channel according to the pilot frequency information.

Alternatively, the parameter Jin mono- Walk of the interference elimination resource include at least one of parameters described below：The parameter of physical resource used in PUSCH, modulation system used in PUSCH, coded system used in PUSCH, code rate used in PUSCH.

Embodiments of the invention provide a kind of communication means for reducing channel disturbance.Methods described is applied to wireless communication system, and the wireless communication system includes service node, and the service node adjacent node, methods described includes：The service node receives the upward signal that user equipment is sent；It is determined that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource,；And the interference eliminated the interference corresponding to the parameter of resource eliminates the upward signal received in resource and eliminated as interference signal.

Alternatively, the interference eliminates the parameter of resource, is the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, it is the part that the interference that the adjacent node is sent eliminates the parameter of resource.

Alternatively, the communication means Jin mono- Walk include：The parameter of interference elimination resource is asked to the adjacent node.

Alternatively, the interference that the service node eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal, including：Up channel used in the user equipment of adjacent node according to the interference eliminates the parameter Estimation of resource；With And from the upward signal received, the upward signal sent on the up channel is eliminated as interference signal.

Alternatively, the parameter that the interference eliminates resource includes the pilot frequency information of up channel used in the adjacent node；Up channel used in the user equipment of the adjacent node according to the interference eliminates the parameter Estimation of resource, including：The service node estimates the up channel according to the pilot frequency information.

Alternatively, the parameter Jin mono- Walk of the interference elimination resource include at least one of parameters described below：The parameter of physical resource used in PUSCH, modulation system used in PUSCH, coded system used in PUSCH, code rate used in PUSCH.

Embodiments of the invention provide a kind of base station for reducing channel disturbance.The base station, which belongs in wireless communication system, the wireless communication system, also includes the adjacent node of the base station.The base station includes：Processor, for determining that interference eliminates the parameter of resource, it is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the base station；Emitter, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the base station.

Embodiments of the invention provide a kind of base station for reducing channel disturbance.The base station, which belongs to, also includes the service node adjacent with the base station in wireless communication system, the wireless communication system, the base station includes：Processor, for determining that interference eliminates the parameter of resource；It is down channel resources used in the base station that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；Emitter, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the service node. Embodiments of the invention provide a kind of user equipment, the user equipment, which belongs to, also includes the adjacent node of the service node that service is provided for the user equipment, and the service node in wireless communication system, the wireless communication system, characterized in that, the user equipment includes：Receiver, the parameter of resource is eliminated for receiving interference, it is down channel resources used in the adjacent node that the interference, which eliminates resource,；Processor, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal.

Embodiments of the invention provide a kind of base station, and the base station, which belongs to, also includes the adjacent node of the base station in wireless communication system, the wireless communication system, the base station includes：Receiver, the upward signal for receiving user equipment transmission；Processor, for determining that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource, and is eliminated for the interference corresponding to the parameter of the interference elimination resource to be eliminated into the upward signal received in resource as interference signal.

Pass through such scheme, by determining that interference eliminates the parameter of resource, and it is sent to the user equipment of service node so that the user equipment of service node can determine jamming resource used in adjacent node, can identify the interference signal of adjacent node and targetedly eliminate.Because the setting of blank frame need not be carried out, the proper communication of service node and adjacent node in itself is not interfered with.So this programme can reduce channel disturbance, and then lift the communication quality between user equipment and base station on the premise of data communication is not influenceed.By such scheme, the base station of embodiments of the invention is by determining that interference eliminates the parameter of resource, it is determined that jamming resource used in adjacent node, so that the interference signal of adjacent node can be identified and targetedly eliminated by base station.Because the setting of blank frame need not be carried out in the base station or adjacent node, the proper communication of base station and adjacent node in itself is not interfered with.So this programme can reduce channel disturbance of the adjacent node to the base station, and then lift the communication quality between user equipment and base station on the premise of base station and adjacent node data communication is not influenceed. Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in the embodiment of the present invention will be briefly described below, apparently, drawings described below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic diagram for disturbing generation process in the prior art；

Fig. 2 is the block diagram of the base station of first embodiment of the invention；

Fig. 3 is the block diagram of the another base station of first embodiment of the invention；

Fig. 4 is the block diagram of the base station of second embodiment of the invention；

Fig. 5 is the block diagram of the another base station of second embodiment of the invention；

Fig. 6 is the block diagram of the base station of third embodiment of the invention；

Fig. 7 is the block diagram of the another base station of third embodiment of the invention；

Fig. 8 is the schematic diagram for being used to reduce the communication means of channel disturbance of fourth embodiment of the invention；

Fig. 9 is the schematic diagram for being used to reduce the communication means of channel disturbance of fifth embodiment of the invention；

Figure 10 is the schematic diagram for being used to reduce the communication means of channel disturbance of sixth embodiment of the invention；

Figure 11 is the block diagram of the base station of seventh embodiment of the invention,

Figure 12 is the block diagram of the another base station of seventh embodiment of the invention；

Figure 13 is the schematic diagram for being used to reduce the communication means of channel disturbance of eighth embodiment of the invention；

Figure 14 is the block diagram of the base station of ninth embodiment of the invention； Figure 15 is the block diagram of the another base station of ninth embodiment of the invention；

Figure 16 is the block diagram of the base station of tenth embodiment of the invention；

Figure 17 is the block diagram of the another base station of tenth embodiment of the invention；

Figure 18 is the block diagram of the base station of eleventh embodiment of the invention；

Figure 19 is the block diagram of the another base station of eleventh embodiment of the invention；

Figure 20 is the block diagram of the base station of twelveth embodiment of the invention；

Figure 21 is the block diagram of the another base station of twelveth embodiment of the invention.

Embodiment

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 are obtained on the premise of creative work is not made should all belong to the scope of protection of the invention.

The base station mentioned in the present invention, can be the base station or the base station of Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS) system of LTE system, it can be not construed as limiting with the base station of other systems, the present invention.For example, present invention could apply to isomery cell scenario.The downstream data channel being previously mentioned in the present invention can be Physical Downlink Shared Channel (physical downlink shared channel, PDSCH), DPCH (Dedicated Physical Channel, DPCH）, other downstream data channels are can also be, the present invention is not construed as limiting.Down control channel can be Physical Downlink Control Channel（Physical Downlink Control Channel, PDCCH) and/or enhanced Physical Downlink Control Channel（Ehanced Physical Downlink Control Channel, EPDCCH).The uplink data channels that the present invention is mentioned can be Physical Uplink Shared Channel（Physical Uplink Shared Channel, PUSCH) or other uplink data channels, this Invention is not construed as limiting.Ascending control channel can be Physical Uplink Control Channel（Physical Uplink Control Channel, PUCCH) and/or enhanced Physical Uplink Control Channel (Ehanced Physical Uplink Control Channel, EPUCCH).

First embodiment

As shown in Fig. 2 embodiments of the invention provide a kind of base station.The base station belongs to wireless communication system, and the wireless communication system also includes the adjacent node of the base station.The base station 200 includes：

Processing unit 201, for determining that interference eliminates the parameter of resource, it is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the user equipment of the base station eliminates the interference signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal；

Transmitting element 202, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the base station.

In embodiments of the invention, the base station is used as service node, by determining that interference eliminates the parameter of resource, it is determined that jamming resource used in adjacent node, so that the interference signal of adjacent node can be identified and targetedly eliminated by the user equipment of service node.Because the setting of blank frame need not be carried out in adjacent node, the proper communication of adjacent node in itself is not interfered with.So this programme can reduce channel disturbance of the adjacent node to the user equipment of service node, and then lift the communication quality between user equipment and service node on the premise of adjacent node data communication is not influenceed.

For convenience, the present embodiment is only illustrated by taking downstream data channel PDSCH as an example, and the limitation to invention protection domain is not constituted.The service node that base station in the present embodiment is used in the present embodiment.

Being in communication with each other for service node and adjacent node, can there is diversified forms, include without limit In：By X2 interface message communicating, either communicate by Xn interface messages or core network communications are passed through by S1 interface messages.Wherein, X2 interface refers to, interface of the E-UTRAN NodeB (E-UTRAN NodeB, eNodeB) between eNodeB, for transmitting signaling and/or data between eNodeB；Interface when Xn interfaces are multithread polymerizations between main eNodeB and auxiliary eNodeB, for transmitting signaling and/or data between main eNodeB and auxiliary eNodeB；S1 interfaces are the interfaces between eNodeB and core net node, for transmitting signaling and/or data between eNodeB and core net node.It is described be in communication with each other used in interface message can include above-mentioned interference eliminate resource parameter.For example, the interface message can include information element（Information element, IE), the IE includes above-mentioned parameter.The parameter that the interference eliminates resource is used to indicate that the parameter that the user equipment of the service node eliminates resource according to the interference carries out interference elimination to the signal received.

It can be data channel and/or control channel that the interference, which eliminates resource,.Data channel can be PDSCH as described, and the control channel can be Physical Downlink Control Channel（Physical Downlink Control Channel, PDCCH) and/or enhanced Physical Downlink Control Channel (Ehanced Physical Downlink Control Channel, EPDCCH).The parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.The pilot frequency information includes without being confined to：The corresponding demodulated reference signals of PDSCH (Demodulation reference signal, DMRS) parameter, such as DMRS time or frequency location information；The corresponding DMRS power parameters of PDSCH, such as DMRS power；And the corresponding cell special references of PDSCH（Cell-specific Reference Signal, CRS) parameter, such as CRS time either frequency information or characterizes the parameter of time-frequency location, such as Physical Cell Identifier（Physical Cell Identity, PCI) and antenna port number etc..

The parameter Hai Ke Yi Jin mono- Walk that interference eliminates resource include at least one of parameters described below：Physical resource used in PDSCH（That is running time-frequency resource）Parameter, the thing such as used Manage resource block（Physical Resource Block, PRB), positional informations of these PRB on time or frequency；

Modulation system used in PDSCH, such as QPSK（Quadrature phase shift keying, QPSK), the 16QAM in quadrature amplitude modulation (quadrature amplitude modulation, QAM), 64QAM etc.；

Coded system used in PDSCH, such as convolutional code, Turbo code；

Code rate used in PDSCH, such as 1/3 coding, 1/6 coding etc.；

The corresponding power parameter P of PDSCH_A, P_BParameter； P_AIt is UE specific parameter, for determining the OFDM without pilot tone（Orthogonal frequency division multiplexing, OFDM) symbol power and CRS power ratio size. P_BIt is the ratio of the power and the power of the OFDM symbol without pilot tone of the OFDM symbol containing pilot tone；

PDSCH primary sign, such as transmits PDSCH from which sign-on;

Multimedia broadcast multicast SFN（Multimedia Broadcast multicast service Single Frequency Network, MBSFN) pattern（MB SFN pattern), such as which subframe is MBSFN sub-frame；

Which virtual subdistrict ID and it can determine to select the nSCID of virtual ID.；

Transmission mode（transfer mode, TM) .

The parameter that above-mentioned interference eliminates resource can be determined by service node or adjacent node：When above-mentioned parameter is determined by the adjacent node, the adjacent node can determine the resource that the adjacent node communicates with the user equipment of the adjacent node, and the parameter that at least a portion of the parameter of these resources eliminates resource as interference is sent into service node.Service node Ke Yi Jin mono- Walk as shown in Figure 3 include receiving unit 203, and the interference for receiving adjacent node transmission eliminates the parameter of resource.The processing unit 201 of service node, then can pass through received parameter and determine the parameter for needing the interference for the user equipment for being sent to the service node to eliminate resource, And the parameter of user equipment is sent to, can be the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, it is the part that the interference that the adjacent node is sent eliminates the parameter of resource.At least a portion in the parameter can be sent to the user equipment of the service node by service node by a variety of message.The message includes being not limited to：Broadcast message, specific messages, medium education（Media Access Control, MAC) layer message or physical layer message.Wherein, wireless heterogeneous networks can also be included in specific messages（Radio Resource Control, RRC) layer message.Its transmission process type of message used in uses routine techniques, will not be described here.

Alternatively, service node can actively send a request message to the parameter that the adjacent node request interference eliminates resource.Can be specifically that the request message is sent by transmitting element 202.Adjacent node is received after the request message, and the parameter that the interference is eliminated into resource is sent to service node.If it should be understood that service node not parameter described in active request, adjacent node can also actively send the parameter to service node by transmitting element, such as periodically actively sent.The parameter is sent by request message or periodicity, the process for obtaining the parameter can be actively triggered, save communication latency.

When the parameter that the interference eliminates resource is determined in itself by service node, the processing unit 201 of service node can determine the parameter, and at least a portion of the parameter is sent into adjacent node by the transmitting element.Adjacent node receives all or part of above-mentioned parameter, and the interference of all or part of above-mentioned parameter as adjacent node is eliminated to the parameter of resource.The parameter that adjacent node can eliminate resource according to above-mentioned interference is communicated using interference elimination resource with the user equipment of adjacent node.

Alternatively, adjacent node may have multiple different cells.There is at least one user equipment that may interfere with service node in these cells.Although the user equipment knows that the parameter of above-mentioned interference elimination resource can exclude the signal that adjacent node is used, in order to more Accurately know interference source, the parameter that the cell ID of adjacent node and the interference can be eliminated into resource sends the user equipment of service node to together, for example above-mentioned scheme of specific transmit process is repeated no more.So, the transmitting element 202 of the base station, the signal progress interference elimination that the parameter of resource will can be received with instruction user equipment from the interference of cell elimination resource can be eliminated with the mark of at least one cell of adjacent node described in notifying user equipment, the cell ID and the interference.Jin mono- Walk, above-mentioned cell can be currently located the immediate cell of cell with user equipment.It should be understood that cell ID and the parameter can be prenoticed user equipment by the transmitting element of service node, user equipment can also be sent to according to signaling response, be eliminated as long as interference can be completed, the present invention is not limited.The parameter that the user equipment can eliminate resource according to the cell ID and interference of adjacent node carries out interference elimination for different districts respectively, so as to accurately eliminate interference, Jin mono- Walk liftings and the communication quality of serving BS.

Alternatively, the base station also includes, receiving unit 203, can be used for receiving ability information and/or the request message that the user equipment is sent.

Specifically, the ability information includes without being confined to, whether the user equipment can carry out interference elimination, and/or the user equipment can carry out disturbing the channel of elimination, and/or the interference that can use of the user equipment eliminates the parameter of resource, and/or the user equipment can obtain parameter from adjacent node.The processing unit 201 of the base station, Ke Yi Jin mono- Walk are used for according to received ability information, determine that the interference eliminates the parameter of resource.The base station passes through the ability information, it will be appreciated that whether the user equipment supports interference to eliminate, and carries out the other conditions of interference elimination.When the user equipment, which can carry out interference, to be eliminated, base station can eliminate for its interference and carry out scheduling of resource；Otherwise, base station is without corresponding scheduling of resource.When the user equipment can carry out interference in a certain channel to be eliminated, base station can carry out scheduling of resource to the channel；Otherwise, scheduling of resource is not carried out to the channel.Other specification Processing is also similar, is repeated no more.Signal resource can be effectively utilized by such scheme and carry out rational scheduling of resource.

The request message can be one and disturb elimination request, can also include without being confined to, and the user equipment requests carry out the channel of interference elimination, and/or the parameter for disturbing elimination resource that the user equipment can be used.The processing unit 201 of the base station, Ke Yi Jin mono- Walk are used for according to received request message, determine that the user equipment can carry out disturbing the channel of elimination, and/or the interference eliminates the parameter of resource, and scheduling of resource is carried out according to above-mentioned channel and/or parameter.Its scheduling process is consistent with the present embodiment to be repeated no more.The user equipment can notify the base station user equipment to carry out interference elimination by active request relevant information, actively initiate interference cancellation process.

Above scheme is that, for the interference between service node and adjacent node, following scheme is for the interference within a node.The function of gp, the service node and the adjacent node can polymerize in same node, and a base station can have the function of service node and adjacent node.The base station can provide service for multiple user equipmenies.

The user equipment includes the first user equipment and second user equipment, and the base station 200 includes：

Processing unit 201, for determining that interference eliminates the parameter of resource, it is down channel resources used in second user equipment that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the first user equipment of the base station eliminates the interference signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal；

Transmitting element 202, at least a portion of the parameter for the interference to be eliminated into resource is sent to the first user equipment of the base station.

Alternatively, first user equipment and the second user equipment can be located at the different cells of the base station, can also be located at the same cells of the base station. The transmitting element 202 of the base station, the parameter that the mark of cell where second user equipment described in the first user equipment can also be notified, the cell ID and the interference eliminate resource can indicate that the first user equipment will eliminate the signal progress interference elimination received in resource from the interference of the cell.

It can be seen that, pass through such scheme, base station can determine that the interference of second user equipment eliminates the parameter of resource so that the first user equipment can determine that the interference that second user equipment is used eliminates resource, to facilitate the first user equipment to carry out interference elimination according to the parameter.Thus on the premise of data communication is not influenceed, reduce channel disturbance, and then lift the communication quality between user equipment and base station.

Second embodiment

As shown in figure 4, embodiments of the invention provide a kind of base station 400.The adjacent node that base station in the present embodiment is used in the present embodiment.The base station, which belongs to, also includes the service node adjacent with the base station in wireless communication system, the wireless communication system, the base station can be communicated as adjacent node with service node.The base station 400 includes：

Processing unit 401, for determining that interference eliminates the parameter of resource；It is down channel resources used in the base station that the interference, which eliminates resource, and the parameter that the interference eliminates resource is used to indicate that the parameter that the user equipment of the service node eliminates resource according to the interference carries out interference elimination to the signal received；

Transmitting element 402, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the service node.

In embodiments of the invention, the base station is used as adjacent node, by determining that interference eliminates the parameter of resource, and it is sent to the user equipment of service node, so that the user equipment of service node can determine jamming resource used in adjacent node, the interference signal of adjacent node can be identified and targetedly eliminated.Because the setting of blank frame need not be carried out, no The proper communication of service node and adjacent node in itself can be influenceed.So this programme can reduce channel disturbance, and then lift the communication quality between user equipment and service node on the premise of data communication is not influenceed.

Service node is identical with first embodiment with the interface message being in communication with each other of adjacent node and the interference parameter for eliminating resource, repeats no more.

The parameter that above-mentioned interference eliminates resource can be determined by service node or adjacent node：When above-mentioned parameter is determined by adjacent node, the processing unit 401 of adjacent node can determine the resource that adjacent node communicates with the user equipment of adjacent node；Transmitting element 402, service node is sent to using the parameter that at least a portion of the parameter of these resources eliminates resource as interference.The processing of service node and its user equipment, referring to first embodiment, its structure is essentially identical with first embodiment with interactively, will not be described here.Similarly, the interference eliminates the parameter of resource, can be the whole that the interference that the service node is sent eliminates the parameter of resource；It can also be the part that the interference that the service node is sent eliminates the parameter of resource.Specifically, adjacent node it is determined that it is described interference eliminate resource parameter when, in order to avoid with the signal of service node disturb, it may be determined that service node without using resource corresponding to parameter as the resource of adjacent node parameter.Alternatively, adjacent node is not necessarily required to eliminate the parameter of resource by interference described in service node ability notifying user equipment, can also such as pass through broadcast channel by other communication channels with user equipment.The transmitting element 402 of the adjacent node, at least a portion for the parameter that the interference can also be eliminated into resource by broadcasting the message is sent to the user equipment of the service node.As can be seen that adjacent node directly notifies interference described in the user equipment of service node to eliminate the parameter of resource, it is not necessary to pass through the participation of service node so that the user equipment can more quickly obtain required parameter.

When the parameter that the interference eliminates resource is determined by service node, service node can determine the resource that adjacent node communicates with the user equipment of adjacent node, and by these resources The parameter that at least a portion of parameter eliminates resource as interference is sent to adjacent node.Adjacent node receives all or part of above-mentioned parameter, and the interference that all or part of above-mentioned parameter is determined as adjacent node is eliminated to the parameter of resource.

When the corresponding interference of the parameter that adjacent node eliminates resource using the interference eliminates resource, eliminate resource using the interference and communicated with the user equipment of adjacent node.It should be understood that for the resource outside the corresponding communication resource of parameter of above-mentioned interference elimination resource, can not be limited by above-mentioned parameter.

That is, in order to realize that the service node determines that the interference eliminates the technical scheme of the parameter of resource, as described in Figure 5, the base station can include：

Receiving unit 403, the parameter of resource, and the processing unit 401 are eliminated for receiving the interference, and Jin mono- Walk are used to determine that the interference eliminates resource according to the parameter that the interference eliminates resource,

Also include transmitting element 402, for eliminating the user equipment that resource sends a signal to this base station using the interference.

In such scheme, the parameter is determined by service node, adjusting parameter can be set for greater flexibility, so as to possess technical side's scheme identical advantage that the parameter is determined with foregoing adjacent node；Also, adjacent node adjacent node is adjusted according to being adapted to property of above-mentioned parameter used in resource, and then avoid service node send signal between the interference being likely to occur there is provided more flexible technical scheme.

Alternatively, the adjacent node may have multiple different cells.Multiple user equipmenies that may interfere with service node in these cells.The mark of the cell of adjacent node, can be sent to the user equipment of service node, such as cell ID by the transmitting element 402 of adjacent node.The process and corresponding technique effect of specific service node and user equipment are referring to first embodiment.

The present embodiment can be used eliminates resource and its parameter with the interference of first embodiment identical, Its effect is identical with first embodiment, repeats no more.

3rd embodiment

Embodiments of the invention provide a kind of user equipment.The user equipment can be communicated with service node or adjacent node.As shown in fig. 6, the user equipment 600 includes：

Receiving unit 603, the parameter of resource is eliminated for receiving interference, and the interference eliminates resource and eliminates resource for descending interference, and it is channel resource used in adjacent node that the interference, which eliminates resource,

Processing unit 601, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal.

The interference elimination refers to, the signal that adjacent node is sent is eliminated from the signal received, and then obtains the signal for preparing to receive, and the signal that the preparation is received can be the signal that service node is sent.The processing unit of i.e. described user equipment, can eliminate the signal that adjacent node is sent, and then obtain the signal for preparing to receive from the signal received.Specifically, it can be data channel and/or control channel that the interference, which eliminates resource,.Data channel can be PDSCH as described, and the control channel can be PDCCH.

In order to solve the signal of adjacent node, the channel of adjacent node can be estimated.The parameter that the estimation can use the pilot frequency information of adjacent node, the i.e. interference to eliminate resource can be the pilot frequency information of adjacent node.The pilot frequency information includes without being confined to：The corresponding DMRS parameters of PDSCH, such as DMRS time or frequency location information；The corresponding DMRS power parameters of PDSCH, such as DMRS power；And the corresponding CRS parameters of PDSCH, such as CRS time either frequency information or characterizes the parameter of time-frequency location, such as PCI and antenna port number.

, can be according to the channel of this parameter Estimation adjacent node for the DMRS parameters, and the transmission signal of adjacent node is detected accordingly；By the DMRS power parameters, more accurately Channel information；By the CRS parameters, it is estimated that the channel factors of the cell of adjacent node.

More accurately estimate to realize, the possible modulation system of adjacent node disturbed according to channel estimation case, Ke Yi Jin mono- Walk according to producing, transmission mode, pre-coding matrix etc. detect interference signal.The detection joint-detection can be carried out by least one of parameters described below or interference is eliminated, and recovers the signal of the user equipment and/or excludes the interference signal.Specifically, joint-detection can use maximum likelihood algorithm.These parameters include but not limited to：By taking PDSCH as an example, physical resource used in PDSCH（That is running time-frequency resource）Parameter, the PRB such as used, positional informations of these PRB on time or frequency.UE assumes that the PDSCH of the cell of adjacent node is sent on 1PRB pair, and without using type 2 resource distribution mode, is easy to the user equipment to make the interference parameter estimation of the cell of adjacent node, such as transmission mode, modulation system.

Modulation system used in PDSCH, such as QPSK, 16QAM, 64QAM etc..The user equipment knows the modulation system of the cell of adjacent node, can detect the actual transmission symbol of the cell, is easy to the signal of the cell being reconstructed.

Coded system used in PDSCH, such as convolutional code, Turbo code.The user equipment knows the coded system of adjacent node cell, can be by the signal of adjacent node cell by decoder progress error correction, the correct probability of the detection of the signal of adjacent node cell can be improved, the signal of the adjacent node cell of reconstruct will be more accurate.

Code rate used in PDSCH, such as 1/3 coding, 1/6 coding etc..The user equipment knows the coded system of adjacent node cell, can improve the correct probability of the signal detection of adjacent node cell, the cell signal that faces of reconstruct will be more accurate by the signal of adjacent node cell by decoder progress error correction.

The corresponding power parameter P of PDSCH_A, P_BParameter.Can be true by above-mentioned two parameter Determine the ratio of data power and CRS power.The channel factors estimated by CRS are combined according to above-mentioned two parameter, the equivalent channel factor that PDSCH is subjected to can be calculated.By this Reliability equivalence factor, the signal transmitted by adjacent node cell can be solved, and interference signal is reconstructed according to this factor.

PDSCH primary sign, such as transmits PDSCH from which sign-on.The user equipment knows PDSCH primary sign, is eliminated it is known which sign-on to do interference from, it is to avoid makees interference from the position of mistake and eliminates.Specifically, that such as some symbol is sent is PDCCH, but user equipment is mistakenly the symbol as data.When having used correct parameter, it is possible to avoid the interference of mistake from eliminating, improve performance.

MBSFN pattern are configured.The user equipment knows that MBSFN pattern are configured, it is known that the PDSCH sent feature, is easy to correct work interference to eliminate.

virtual cell ID and nSCID.User equipment can determine DMRS scrambler sequence by the two parameters, and then can more accurately estimate the channel of adjacent node.

TM (transmission modes）.The user equipment knows transmission mode, can effectively carry out the signal estimation of adjacent node cell.

According to the description of first embodiment and second embodiment, the user equipment can receive the parameter from service node；The parameter can also be received from adjacent node.

Alternatively, as shown in fig. 7, the user equipment can also include transmitting element 602, for transmitting capacity information or request message.Specifically, the ability information includes without being confined to, whether the user equipment can carry out interference elimination, and/or the user equipment can carry out disturbing the channel of elimination, and/or the interference that can use of the user equipment eliminates the parameter of resource, and/or the user equipment can obtain parameter from adjacent node.The request message can be that an interference eliminates request, can also include without being confined to, the user equipment requests carry out the channel of interference elimination, and/or the interference that the user equipment can be used disappears Except the parameter of resource.By the ability information, whether the user equipment can will support interference to eliminate, and carry out the other conditions reporting base station of interference elimination, and then be easy to carry out rational scheduling of resource using signal resource.The user equipment can notify the base station user equipment to carry out interference elimination by active request relevant information, actively initiate interference cancellation process.

The user equipment of the present embodiment, the parameter that resource is eliminated by disturbing determines jamming resource used in adjacent node, can identify the interference signal of adjacent node and targetedly eliminate.Because not needing service node or adjacent node to carry out the setting of blank frame, the proper communication of service node and adjacent node in itself is not interfered with.So this programme can reduce channel disturbance of the adjacent node to the user equipment of service node, and then lift the communication quality between user equipment and base station on the premise of data communication is not influenceed.

It should be understood that the function of the service node and the adjacent node can polymerize in same node.I.e. one base station can have the function of service node and adjacent node.The base station can provide service for multiple user equipmenies.For above-mentioned scene, embodiments of the invention provide a kind of user equipment 600, and the user equipment includes：

Receiving unit 603, the parameter of resource is eliminated for receiving interference, and the interference eliminates resource and eliminates resource for descending interference, and the interference eliminates resource channel resource used in the other users equipment of the base station,

Processing unit 601, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal.

In such scheme, channel resource used in adjacent node is replaced with into channel resource used in other users equipment, it disturbs the Yuan Li eliminated He schemes of the Walk suddenly with channel resource used in adjacent node is same or similar, can produce similar technique effect.So repeating no more.

Fourth embodiment Embodiments in accordance with the present invention are used to reduce the communication means of channel disturbance there is provided a kind of, as shown in Figure 8.Methods described is applied to wireless communication system, and the wireless communication system includes providing the service node serviced for user equipment, and the service node adjacent node, methods described includes：

801st, the service node determines that interference eliminates the parameter of resource；It is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；

802nd, at least a portion for the parameter that the interference is eliminated resource by the service node is sent to the user equipment of the service node.

Embodiments of the invention, service node can determine that interference eliminates the parameter of resource, it is determined that jamming resource used in adjacent node, so that the interference signal of adjacent node can be identified and targetedly eliminated by the user equipment of service node.Because the setting of blank frame need not be carried out in adjacent node, the proper communication of service node and adjacent node in itself is not interfered with.So this programme can reduce channel disturbance of the adjacent node to the user equipment of service node, and then lift the communication quality between user equipment and service node on the premise of adjacent node data communication is not influenceed.

Service node is identical with first embodiment with the interface message being in communication with each other of adjacent node and the interference parameter for eliminating resource, repeats no more.

The parameter that above-mentioned interference eliminates resource can be determined by service node or adjacent node：When above-mentioned parameter is determined by adjacent node, adjacent node can determine the resource that adjacent node communicates with the user equipment of adjacent node, and the parameter that at least a portion of the parameter of these resources eliminates resource as interference is sent into service node.Service node receives the parameter for the interference elimination resource that adjacent node is sent；It can also determine that adjacent node is made by the parameter The situation of resource, and thereby determine that out that the used interference that communicated between service node and the user equipment of service node eliminates the parameter of resource.And the parameter of user equipment is sent to, can be the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, it is the part that the interference that the adjacent node is sent eliminates the parameter of resource.With first embodiment similarly, service node can will be sent to affiliated user equipment by a variety of message in the parameter, will not be described here.

Alternatively, the service node can ask the parameter of interference elimination resource to the adjacent node.Adjacent node is received after the request message, and the parameter that the interference is eliminated into resource is sent to service node.If it should be understood that service node not parameter described in active request, adjacent node can also actively send the parameter to service node, such as periodically actively sent.The parameter is sent by request message or periodicity, the process for obtaining the parameter can be actively triggered, save communication latency.

When the parameter that the interference eliminates resource is determined in itself by service node, the processing unit of service node can determine the parameter, and be sent to adjacent node by the transmitting element by least one of the parameter.Adjacent node receives all or part of above-mentioned parameter, and the interference that all or part of above-mentioned parameter is determined as adjacent node is eliminated to the parameter of resource.The parameter that adjacent node can eliminate resource according to above-mentioned interference is communicated with the user equipment of adjacent node.When the corresponding interference of the parameter that adjacent node eliminates resource using the interference eliminates resource, eliminate resource using the interference and communicated with the user equipment of adjacent node.

Alternatively, adjacent node may have multiple different cells.It is similar with first embodiment, in order to more accurately eliminate interference, service node can eliminate the signal progress interference elimination that the parameter of resource will can be received with instruction user equipment from the interference of cell elimination resource with the mark of at least one cell of adjacent node described in notifying user equipment, the cell ID and the interference.It should be understood that service node can be advance by cell ID and the parameter Notifying user equipment, can also be sent to user equipment according to signaling response, be eliminated as long as interference can be completed, the present invention is not limited.The parameter that the user equipment can eliminate resource according to the cell ID and interference of adjacent node carries out interference elimination for different districts respectively, so as to accurately eliminate interference, Jin mono- Walk liftings and the communication quality of serving BS.

Alternatively, the service node can receive ability information or the request message that the user equipment is sent.Specifically, the ability information includes without being confined to, whether the user equipment can carry out interference elimination, and/or the user equipment can carry out disturbing the channel of elimination, and/or the interference that can use of the user equipment eliminates the parameter of resource, and/or the user equipment can obtain parameter from adjacent node.The processing unit of the base station, Ke Yi Jin mono- Walk are used for according to received ability information, determine that the interference eliminates the parameter of resource.The service node passes through the ability information, it will be appreciated that whether the user equipment supports interference to eliminate, and carries out the other conditions of interference elimination.When the user equipment, which can carry out interference, to be eliminated, service node can eliminate for its interference and carry out scheduling of resource；Otherwise, service node is without corresponding scheduling of resource.When the user equipment can carry out interference in a certain channel to be eliminated, service node can carry out scheduling of resource to the channel；Otherwise, scheduling of resource is not carried out to the channel.The processing of other specification is also similar, is repeated no more.Signal resource can be effectively utilized by such scheme and carry out rational scheduling of resource.The request message can be one and disturb elimination request, can also include without being confined to, and the user equipment requests carry out the channel of interference elimination, and/or the parameter for disturbing elimination resource that the user equipment can be used.The service node can determine that the user equipment can carry out disturbing the channel of elimination according to received request message, and/or the interference eliminates the parameter of resource, and carry out scheduling of resource according to above-mentioned channel and/or parameter.Its scheduling process is consistent with the present embodiment to be repeated no more.The user equipment can notify the service node user equipment to carry out interference elimination by active request relevant information, actively initiate interference cancellation process. Above scheme is the interference for service node and adjacent node, and following scheme is for the interference in a node.The function of i.e. described service node and the adjacent node can polymerize in same node, and a base station can have the function of service node and adjacent node.The base station can provide service for multiple user equipmenies.The user equipment includes the first user equipment and second user equipment.Embodiments of the invention provide a kind of communication means for reducing channel disturbance, and this method is applied to wireless communication system, and the wireless communication system includes base station, and the base station provides service for first, second user equipment, and methods described includes：

It is determined that interference eliminates the parameter of resource, it is down channel resources used in second user equipment that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the first user equipment of the base station eliminates the interference signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal；

At least a portion for the parameter that the interference is eliminated into resource is sent to the first user equipment of the base station.

Alternatively, first user equipment and the second user equipment can be located at the different cells of the base station, can also be located at the same cells of the base station.

The communication means, Jin mono- Walk include：The parameter that the mark of cell where notifying second user equipment described in the first user equipment, the cell ID and the interference eliminate resource can indicate that the first user equipment will eliminate the signal progress interference elimination received in resource from the interference of the cell.

As can be seen that by such scheme, base station can determine that the interference of second user equipment eliminates the parameter of resource so that the first user equipment can determine the jamming resource of second user equipment, to facilitate the first user equipment to carry out interference elimination according to the parameter.Because the setting of blank frame need not be carried out, the proper communication of second user equipment is not interfered with.Thus on the premise of data communication is not influenceed, reduce channel disturbance, and then lifted logical between user equipment and base station Believe quality.

5th embodiment

Embodiments in accordance with the present invention are used to reduce the communication means of channel disturbance there is provided a kind of, as shown in Figure 9.Methods described is applied to wireless communication system, and the wireless communication system includes the service node of served user equipment, and the service node adjacent node, methods described includes：

901st, the adjacent node determines that interference eliminates the parameter of resource；It is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；

902nd, at least a portion for the parameter that the interference is eliminated resource by the adjacent node is sent to the user equipment of the service node.

In embodiments of the invention, adjacent node is by determining that interference eliminates the parameter of resource, and it is sent to the user equipment of service node, so that the user equipment of service node can determine jamming resource used in adjacent node, the interference signal of adjacent node can be identified and targetedly eliminated.Because the setting of blank frame need not be carried out, the proper communication of service node and adjacent node in itself is not interfered with.So this programme can be on the premise of data communication not be influenceed, reduce channel disturbance, and then lift the interface message being in communication with each other of the communication matter service node between user equipment and service node and adjacent node and disturb the parameter for eliminating resource identical with first embodiment, repeat no more.

The parameter that above-mentioned interference eliminates resource can be determined by service node or adjacent node：When above-mentioned parameter is determined by adjacent node, adjacent node can determine the resource that adjacent node communicates with the user equipment of adjacent node；Adjacent node can be by the parameter of these resources At least a portion as interference eliminate resource parameter be sent to service node.The processing of service node and its user equipment, referring to fourth embodiment, its communication means is essentially identical with fourth embodiment, will not be described here.Similarly, the interference eliminates the parameter of resource, can be the whole that the interference that the service node is sent eliminates the parameter of resource；It can also be the part that the interference that the service node is sent eliminates the parameter of resource.Specifically, adjacent node it is determined that it is described interference eliminate resource parameter when, in order to avoid with the signal of service node disturb, it may be determined that service node without using resource parameter as the resource of adjacent node parameter.

Alternatively, adjacent node is not necessarily required to eliminate the parameter of resource by interference described in service node ability notifying user equipment, can also such as pass through broadcast channel by other communication channels with user equipment.At least a portion for the parameter that the interference can also be eliminated resource by the adjacent node by broadcasting the message is sent to the user equipment of the service node.As can be seen that adjacent node directly notifies interference described in the user equipment of service node to eliminate the parameter of resource, it is not necessary to pass through the participation of service node so that the user equipment can more quickly obtain required parameter.

When the parameter that the interference eliminates resource is determined by service node, service node can determine the resource that adjacent node communicates with the user equipment of adjacent node, and the parameter that at least a portion of the parameter of these resources eliminates resource as interference is sent into adjacent node.Service node in order to avoid the signal of adjacent node the purpose for the arrangement is that disturb.Adjacent node receives all or part of above-mentioned parameter, and the interference that all or part of above-mentioned parameter is determined as adjacent node is eliminated to the parameter of resource.

When the corresponding interference of the parameter that adjacent node eliminates resource using the interference eliminates resource, eliminate resource using the interference and communicated with the user equipment of adjacent node.It should be understood that for the resource outside the corresponding communication resource of parameter of above-mentioned interference elimination resource, can not be limited by above-mentioned parameter. That is, in order to realize that the service node determines that the interference eliminates the technical scheme of the parameter of resource, the adjacent node uses following communication means：

The parameter that the interference eliminates resource is received, and

The parameter for eliminating resource according to the interference determines that the interference eliminates resource,

The user equipment that resource sends a signal to adjacent node is eliminated using the interference.

In such scheme, the parameter is determined by service node, can be set with more flexible adjusting parameter, so as to possess technical side's scheme identical advantage that the parameter is determined with foregoing adjacent node；Also, adjacent node resource used in active accommodation adjacent node according to being adapted to property of above-mentioned parameter, and then avoid conflicting that there is provided more flexible technical scheme with the possible of service node.

Alternatively, the adjacent node may have multiple different cells.Multiple user equipmenies that may interfere with service node in these cells.The mark of the cell of adjacent node can be sent to the user equipment of service node, such as cell ID by adjacent node.The process and corresponding technique effect of service node and user equipment are referring to first embodiment.

The present embodiment can be used eliminates resource and its parameter with the interference of first embodiment identical, and its effect is identical with first embodiment, repeats no more.

Sixth embodiment

There is provided a kind of communication means for reducing channel disturbance for embodiments in accordance with the present invention.Methods described be applied to wireless communication system, the wireless communication system include for the user equipment provide service service node, and the service node adjacent node.As shown in Figure 10, this method includes：

1001st, the user equipment receives the parameter that interference eliminates resource, and it is down channel resources used in the adjacent node that the interference, which eliminates resource,

1002nd, the user equipment disappears the interference that the interference is eliminated corresponding to the parameter of resource Except the signal received in resource is eliminated as interference signal.

The interference elimination refers to, the signal that adjacent node is sent is eliminated from the signal received, and then obtains the signal for preparing to receive, and the signal that the preparation is received can be the signal that service node is sent.The processing unit of i.e. described user equipment, can eliminate the signal that adjacent node is sent, and then obtain the signal for preparing to receive from the signal received.Specifically, it can be data channel and/or control channel that the interference, which eliminates resource,.Data channel can be PDSCH as described, and the control channel can be PDCCH.User equipment can receive the parameter from service node；The parameter can also be received from adjacent node.

In order to solve the signal of interference user equipment, it can estimate to disturb the channel of user equipment.Consistent with 3rd embodiment, the estimation can use the pilot frequency information of interference user equipment.In order to estimate the channel for disturbing user equipment, methods described Ke Yi Jin mono- Walk include：Signal is received, the signal includes the signal that the service node and the adjacent node are sent；

The interference that the user equipment eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal, including：

The down channel used in adjacent node according to the interference eliminates the parameter Estimation of resource；And from received signal, the downstream signal sent on the down channel is eliminated as interference signal.

The parameter that the interference eliminates resource can include the pilot frequency information of down channel used in the adjacent node；Correspondingly, the down channel used in adjacent node according to the interference eliminates the parameter Estimation of resource, including：The user equipment estimates the down channel according to the pilot frequency information.

In order to realize that more accurately estimation the present embodiment can be according to channel estimation case, the parameter that Jin mono- Walk eliminate resource according to interference carries out joint-detection or interference is eliminated, consistent with 3rd embodiment, repeats no more. The user equipment of the present embodiment, the parameter that resource is eliminated by disturbing determines jamming resource used in adjacent node, can identify the interference signal of adjacent node and targetedly eliminate.Because not needing service node or adjacent node to carry out the setting of blank frame, the proper communication of service node and adjacent node in itself is not interfered with.So this programme can reduce channel disturbance of the adjacent node to the user equipment of service node, and then lift the communication quality between user equipment and base station on the premise of data communication is not influenceed.

Alternatively, methods described can also include：Transmitting capacity information or request message.Specifically, the ability information is consistent with 3rd embodiment with the request message, repeats no more.By the ability information, whether the user equipment can will support interference to eliminate, and carry out the other conditions reporting base station of interference elimination, and then be easy to carry out rational scheduling of resource using signal resource.The user equipment can notify the base station user equipment to carry out interference elimination by active request relevant information, actively initiate interference cancellation process.

It should be understood that the function of the service node and the adjacent node can polymerize in same node.I.e. one base station can have the function of service node and adjacent node.The base station can provide service for multiple user equipmenies.For above-mentioned scene, embodiments of the invention provide a kind of communication means for reducing channel disturbance, and this method can be used for the user equipment of above-mentioned scene, and methods described includes：

The parameter that interference eliminates resource is received, the interference eliminates resource and eliminates resource for descending interference, and the interference eliminates resource channel resource used in the other users equipment of the base station；The interference is eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource to be eliminated as interference signal.

In such scheme, channel resource used in adjacent node is replaced with into channel resource used in other users equipment, it disturbs the Yuan Li eliminated He schemes of the Walk suddenly with channel resource used in adjacent node is same or similar, can produce similar technique effect.So no longer going to live in the household of one's in-laws on getting married State.

7th embodiment

The present embodiment provides a kind of base station, and Qi Zhu Yaos that Walk is rapid, principle, effect are similar with first, second embodiment, and its main distinction is that the base station is sent to the upward signal of adjacent node for user equipment, and interference elimination is performed in itself by the base station.

For uplink communication, the user equipment of adjacent node is possible to that service node can be sent signal to.Under conditions of same frequency, service node is possible to cannot be distinguished by the signal of the user equipment of adjacent node, so as to have impact on the proper communication with the user equipment of service node.For adjacent node there is also it is similar in the case of.

Embodiments of the invention provide a kind of base station for reducing channel disturbance.The base station can communicate as service node with adjacent node.As shown in figure 11, the base station includes：

Receiving unit 1103, the upward signal for receiving user equipment transmission；

Processing unit 1101, for determining that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource, and is eliminated for the interference corresponding to the parameter of the interference elimination resource to be eliminated into the upward signal received in resource as interference signal.

Identical with first embodiment, the parameter that above-mentioned interference eliminates resource can be determined by service node or adjacent node.Determine that implementing for parameter is similar with first embodiment for service node, repeat no more.

Implementing for parameter is determined for adjacent node, for the service node, the receiving unit 1103, Jin mono- Walk are used for the whole for receiving the parameter for the interference elimination resource that the adjacent node is sent；Or, receive a part for the parameter for the interference elimination resource that the adjacent node is sent.

Identical with first embodiment, service node can actively send a request message to adjacent node The request interference eliminates the parameter of resource.And obtain and first embodiment identical technique effect.The i.e. as shown in figure 12 Jin mono- Walk of processing unit 1101 of the base station 1100 are used to generate request message, and the request message is used for the parameter for asking the interference to eliminate resource to the adjacent node；Jin mono- Walk include transmitting element 1102, for the request message to be sent into the adjacent node.

The interference elimination refers to, the signal that adjacent node is sent is eliminated from the signal received, and then obtain the signal for preparing to receive.Specifically, it can be data channel and/or control channel that the interference, which eliminates resource,.Data channel can be Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH) as described, and the control channel can be Physical Uplink Control Channel（Physical Uplink Control Channel, PUCCH) and/or enhanced Physical Uplink Control Channel（Ehanced Physical Uplink Control Channel, EPUCCH) .

For the signal of the user equipment that solves adjacent node, the channel of adjacent node can be estimated.The processing unit of the base station, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal, including：For up channel used in adjacent node described in the parameter Estimation according to the interference elimination resource；And for from the upward signal received, the upward signal sent on the up channel to be eliminated as interference signal.

The estimation can use the pilot frequency information of up channel used in adjacent node.The processing unit of the base station, for up channel used in the user equipment of adjacent node described in the parameter Estimation according to the interference elimination resource, including：The processing unit, for estimating the up channel according to the pilot frequency information.

The pilot frequency information includes without being confined to：The corresponding DMRS parameters of PUSCH, such as DMRS time or frequency location information；And the corresponding interception reference signals of PUSCH (Sounding Reference Signal, SRS) parameter, such as SRS time or frequency letter Breath.

For the DMRS parameters, the channel of user equipment, and the transmission signal of detection interference user equipment accordingly can be disturbed according to this parameter Estimation；Pass through the DMRS power parameters, more accurate channel information；By the CRS parameters, it is estimated that the channel factors of cell where interference user equipment.

More accurately estimate to realize, the possible modulation system of user equipment disturbed according to channel estimation case, Ke Yi Jin mono- Walk according to producing, transmission mode, pre-coding matrix etc. detect interference signal.The detection joint-detection can be carried out by least one of parameters described below or interference is eliminated, and recovers the signal of the user equipment and/or the signal of exclusive PCR user equipment.Specifically, joint-detection can use maximum likelihood algorithm.The parameter Jin mono- Walk that interference eliminates resource include at least one of parameters described below：

PUSCH resources can represent that the parameter includes being not limited to by following parameter：

Physical resource used in PUSCH（That is running time-frequency resource）Parameter, the PRB such as used, positional informations of these PRB on time or frequency；

Modulation system used in PUSCH, such as QPSK, 16QAM, 64QAM etc.；

Coded system used in PUSCH, such as convolutional code, Turbo code；

Code rate used in PUSCH, such as 1/3 coding, 1/6 coding etc.；

The corresponding power parameters of PUSCH, P_A, P_BParameter；

PUSCH primary sign, such as transmits PUSCH from which sign-on;

MBSFN patterns（MBSFN pattern), such as which subframe is MBSFN sub-frame；Virtual subdistrict ID and nSCID;

Transmission mode TM.

The occupation mode of above-mentioned parameter parameter and the effect of acquisition are similar or consistent with 3rd embodiment, and it is differed only in is changed to up by descending, repeats no more. In such scheme, the base station is by determining that interference eliminates the parameter of resource, it is determined that jamming resource used in adjacent node, so that the interference signal of adjacent node can be identified and targetedly eliminated by the base station.Because the setting of blank frame need not be carried out in the base station or adjacent node, the proper communication of service node and adjacent node in itself is not interfered with.So this programme can reduce channel disturbance of the adjacent node to this base station, and then lift the communication quality between user equipment and base station on the premise of service node and adjacent node data communication is not influenceed.

It should be understood that above-mentioned base station can also work as adjacent node, the uplink interference that the user equipment of service node is brought can be eliminated, its effect is similar with such scheme, repeats no more.

8th embodiment

The present embodiment provides a kind of communication means for reducing channel disturbance, and this method is similar with fourth, fifth embodiment, and its main distinction is that the communication means is used for uplink communication, and performing interference by service node eliminates.

For uplink communication, the user equipment of adjacent node is possible to that service node can be sent signal to.Under conditions of same frequency, service node is possible to cannot be distinguished by the signal of the user equipment of adjacent node, so as to have impact on the proper communication with the user equipment of service node.For adjacent node there is also it is similar in the case of.

The present embodiment provides a kind of communication means for reducing channel disturbance, and methods described is applied to wireless communication system, and the wireless communication system includes service node, and the service node adjacent node.As shown in figure 13, methods described includes：

1301st, the service node receives the upward signal that user equipment is sent；

1302nd, determine that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource, and The 1303rd, the interference is eliminated to the upward signal received in the interference elimination resource corresponding to the parameter of resource to be eliminated as interference signal.

Wherein, there is no sequencing relation between 1301 and 1302.

The interference eliminates the parameter of resource, is the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, it is the part that the interference that the adjacent node is sent eliminates the parameter of resource.

Similar with the 7th embodiment, service node can ask the parameter of interference elimination resource to the adjacent node.And obtain and the 7th embodiment identical technique effect.

The present embodiment can use the parameter that resource is eliminated with identical interface message in the 7th embodiment and interference, repeat no more.Identical with the 7th embodiment, the parameter that above-mentioned interference eliminates resource can be determined by service node or adjacent node.Ju Ti Walk are suddenly similar with the 7th embodiment, repeat no more.Interference eliminates the parameter of resource determined by service node, can be the whole that the interference that the adjacent node is sent eliminates the parameter of resource；It can also be the part that the interference that the adjacent node is sent eliminates the parameter of resource.

In order to solve the signal of interference user equipment, it can estimate to disturb the channel of user equipment.The estimation can use the pilot frequency information of interference user equipment.Similar to embodiment seven, the communication means, including

The interference that the service node eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal, including：Up channel used in the user equipment of adjacent node according to the interference eliminates the parameter Estimation of resource；And from the upward signal received, the upward signal sent on the up channel is eliminated as interference signal.

Specifically, the parameter that the interference eliminates resource can include the pilot frequency information of up channel used in the adjacent node；It is described according to it is described interference eliminate resource parameter Estimation described in Up channel used in the user equipment of adjacent node, can include：The service node estimates the up channel according to the pilot frequency information.

In order to more accurately estimate up channel used in adjacent node, the parameter Ke Yi Jin mono- Walk that the interference eliminates resource include at least one of parameters described below：The parameter of physical resource used in PUSCH, modulation system used in PUSCH, coded system used in PUSCH, code rate used in PUSCH.

In such scheme, base station can determine that interference eliminates the parameter of resource, it is determined that jamming resource used in adjacent node, so that the interference signal of adjacent node can be identified and targetedly eliminated by the base station.Because the setting of blank frame need not be carried out in the base station or adjacent node, the proper communication of service node and adjacent node in itself is not interfered with.So this programme can reduce channel disturbance of the adjacent node to this base station, and then lift the communication quality between user equipment and base station on the premise of service node and adjacent node data communication is not influenceed.

It should be understood that above-mentioned communication means can be used for adjacent node, the interference that the user equipment of service node is brought can be eliminated, its effect is similar with such scheme, repeats no more.

9th embodiment

Embodiments of the invention provide a kind of base station for reducing channel disturbance.The base station, which belongs in wireless communication system, the wireless communication system, also includes the adjacent node of the base station.As shown in figure 14, the base station 1400 includes：

Processor 1401, for determining that interference eliminates the parameter of resource, it is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the base station；

Emitter 1402, sends for the interference to be eliminated at least a portion of parameter of resource User equipment to the base station.

In the present embodiment, the institute that processor can complete processing unit in first embodiment is functional, or the same Walk of execution phase rapid；Emitter, the institute that can complete transmitting element in first embodiment is functional, or the same Walk of execution phase rapid.The base station of the present embodiment can also include receiver 1403 as shown in figure 15, and the institute that can complete receiving unit in first embodiment is functional, or the same Walk of execution phase rapid.The processor, receiver, the annexation of emitter are consistent with the annexation of the processing unit, receiving unit, transmitting element of first embodiment.The present embodiment is the device claim similar to first embodiment, it is possible to achieve the similar effect to first embodiment, is repeated no more.

Tenth embodiment

Embodiments of the invention provide a kind of base station for reducing channel disturbance.The base station, which belongs to, also includes the service node adjacent with the base station in wireless communication system, the wireless communication system.As shown in figure 16, the base station 1600 includes：

Processor 1601, for determining that interference eliminates the parameter of resource；It is down channel resources used in the base station that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；

Emitter 1602, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the service node.

In the present embodiment, the institute that processor 1601 can complete processing unit in second embodiment is functional, or the same Walk of execution phase rapid；Emitter 1602, the institute that can complete transmitting element in second embodiment is functional, or the same Walk of execution phase rapid.As shown in figure 17, the base station of the present embodiment can also include receiver 1603, and the institute that can complete receiving unit in second embodiment is functional, or the same Walk of execution phase rapid.The processor, receiver, the connection of emitter are closed System is consistent with the annexation of the processing unit, receiving unit, transmitting element of second embodiment.The present embodiment is the device claim similar to second embodiment, it is possible to achieve the similar effect to second embodiment, is repeated no more.

The embodiments of ^ mono-

Embodiments of the invention provide a kind of user equipment, and the user equipment, which belongs to, also includes the adjacent node of the service node that service is provided for the user equipment, and the service node in wireless communication system, the wireless communication system.As shown in figure 18, the user equipment 1800 includes：

Receiver 1803, the parameter of resource is eliminated for receiving interference, it is down channel resources used in the adjacent node that the interference, which eliminates resource,；

Processor 1801, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal.

In the present embodiment, the institute that processor can complete processing unit in 3rd embodiment is functional, or the same Walk of execution phase rapid；Receiver 1803, the institute that can complete receiving unit in 3rd embodiment is functional, or the same Walk of execution phase rapid.As shown in figure 19, the user equipment of the present embodiment can also include emitter 1802, and the institute that can complete transmitting element in 3rd embodiment is functional, or the same Walk of execution phase rapid.The processor, receiver, the annexation of emitter are consistent with the annexation of the processing unit, receiving unit, transmitting element of 3rd embodiment.The present embodiment is the device claim similar to 3rd embodiment, it is possible to achieve the similar effect to 3rd embodiment, is repeated no more.12nd embodiment

Embodiments of the invention provide a kind of base station, and the base station, which belongs in wireless communication system, the wireless communication system, also includes the adjacent node of the base station.As shown in figure 20, the base Station includes：

Receiver 2003, the upward signal for receiving user equipment transmission；

Processor 2001, for determining that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource, and is eliminated for the interference corresponding to the parameter of the interference elimination resource to be eliminated into the upward signal received in resource as interference signal.

In the present embodiment, the institute that processor 2001 can complete processing unit in the 7th embodiment is functional, or the same Walk of execution phase rapid；Receiver 2003, the institute that can complete receiving unit in the 7th embodiment is functional, or the same Walk of execution phase rapid.As shown in figure 21, the base station of the present embodiment can also include emitter 2002, and the institute that can complete transmitting element in the 7th embodiment is functional, or the same Walk of execution phase rapid.The processor, receiver, the annexation of emitter are consistent with the annexation of the processing unit, receiving unit, transmitting element of the 7th embodiment.The present embodiment is the device claim similar to the 7th embodiment, it is possible to achieve the similar effect to the 7th embodiment, is repeated no more.

Those of ordinary skill in the art can be appreciated that, each method Walk with reference to described in the embodiments described herein is rapid and unit, it can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate the interchangeability of hardware and software, generally describe each embodiment Walk suddenly according to function in the above description and constitute.These functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Those of ordinary skill in the art can realize described function to each specific application using distinct methods, but this realization is it is not considered that beyond the scope of this invention.When implemented in software, above-mentioned functions can be stored in computer-readable medium or be transmitted as one or more instructions on computer-readable medium or code.Computer-readable medium include computer-readable storage medium and communication media, wherein communication media include be easy to from a place to Another place transmits any medium of computer program.Storage medium can be any usable medium that computer can be accessed.As example but it is not limited to：Computer-readable medium can include

RAM, ROM, EEPROM, CD-ROM or other optical disc storages, magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with instruction or data structure form desired program code and can by computer access any other medium.In addition.Any connection can be suitably turn into computer-readable medium.If for example, software is to use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line（) or such as wireless technology of infrared ray, radio and microwave etc is transmitted from website, server or other remote sources DSL, then the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc be included in belonging to medium it is fixing in.As used in the present invention, disk (Disk) and dish（Disc compression laser disc) is included（CD), laser disc, laser disc, Digital Versatile Disc（DVD), floppy disk and Blu-ray Disc, the replicate data of the usual magnetic of which disk, and dish is then with laser come optical replicate data.Above combination above should also be as being included within the protection domain of computer-readable medium.

Although by reference to the mode of accompanying drawing and combination preferred embodiment to the present invention have been described in detail, the present invention is not limited thereto.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can carry out various equivalent modifications or substitutions to embodiments of the invention, and these modifications or substitutions all should be in the covering scope of the present invention.

Claims (1)

1. Claim

   1. a kind of base station, the base station, which belongs to, also includes the adjacent node of the base station in wireless communication system, the wireless communication system, and the base station includes：

   Processing unit, for determining that interference eliminates the parameter of resource, it is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the base station；

   Transmitting element, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the base station.

   2. base station as claimed in claim 1, it is characterised in that

   The base station Jin mono- Walk include：Receiving unit, for receiving the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, receive a part for the parameter for the interference elimination resource that the adjacent node is sent.

   3. base station as claimed in claim 2, it is characterised in that

   The processing unit Jin mono- Walk are used to generate request message, and the request message is used for the parameter for asking the interference to eliminate resource to the adjacent node；

   The transmitting element, is additionally operable to the request message being sent to the adjacent node.

   4. base station as claimed in claim 1, it is characterised in that

   The transmitting element, Jin mono- Walk are used to the parameter that the interference eliminates resource being sent to the adjacent node；The parameter that the interference eliminates resource is used to indicate that the adjacent node eliminates resource using the interference corresponding to the parameter of the interference elimination resource and communicated with the user equipment of the adjacent node.

   5. such as one of claim 1-4 base station, it is characterised in that it is data channel and/or control channel that the interference, which eliminates resource,.

   6. base station as claimed in claim 5, it is characterised in that

   The data channel is PDSCH, and the control channel is PDCCH and/or EPDCCH.

   7. such as one of claim 1-6 base station, it is characterised in that the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.

   8. base station as claimed in claim 7, it is characterised in that the parameter Jin mono- Walk that the interference eliminates resource include at least one of parameters described below：

   The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

   9. the base station as described in one of claim 1-8, it is characterised in that

   The transmitting element Jin mono- Walk are used for the user equipment to the base station by the identification notification of at least one cell of the adjacent node, and the parameter that the cell ID and the interference eliminate resource is used to indicate that the user equipment of the base station to be eliminated to the signal received in the interference elimination resource of the cell as interference signal.

   10. a kind of base station, the base station, which belongs to, also includes the service node adjacent with the base station in wireless communication system, the wireless communication system, the base station includes：

   Processing unit, for determining that interference eliminates the parameter of resource；It is down channel resources used in the base station that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；

   Transmitting element, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the service node.

   11. base station as claimed in claim 10, it is characterised in that

   The base station Jin mono- Walk include：Receiving unit, sends for receiving the service node The interference come eliminates the whole of the parameter of resource；Or, receive a part for the parameter for the interference elimination resource that the service node is sent.

   12. the base station as described in one of claim 10-11, it is characterised in that

   The transmitting element, at least a portion of the parameter for the interference to be eliminated into resource is sent to the user equipment of the service node, including：At least a portion for the parameter that the interference is eliminated into resource by broadcasting the message is sent to the user equipment of the service node；

   Or including：At least a portion for the parameter that the interference is eliminated into resource is sent to the user equipment of the service node by the service node.

   13. the base station as described in one of claim 10-12, it is characterised in that the transmitting element, Jin mono- Walk communicate for the corresponding interference elimination resource of parameter for eliminating resource using the interference with the user equipment of the adjacent node.

   14. such as one of claim 10-13 base station, it is characterised in that

   It is data channel and/or control channel that the interference, which eliminates resource,.

   15. such as the base station of claim 14, it is characterised in that

   The data channel is PDSCH, and the control channel is PDCCH and/or EPDCCH.

   16. such as one of claim 10-15 base station, it is characterised in that

   The parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.

   17. such as the base station of claim 16, it is characterised in that the parameter that the interference eliminates resource includes at least one of parameters described below：

   The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

   18. the base station as described in one of claim 10-17, The transmitting element Jin mono- Walk are used for the user equipment that the mark of at least one cell of the base station is sent to the service node, and the parameter that the cell ID and the interference eliminate resource is used to indicate that the user equipment of the service node to be eliminated to the signal received in the interference elimination resource of the cell as interference signal.

   19. a kind of user equipment, the user equipment, which belongs to, also includes the adjacent node of the service node that service is provided for the user equipment, and the service node in wireless communication system, the wireless communication system, characterized in that, the user equipment includes：

   Receiving unit, the parameter of resource is eliminated for receiving interference, it is down channel resources used in the adjacent node that the interference, which eliminates resource,；

   Processing unit, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal.

   20. user equipment as claimed in claim 19, it is characterised in that the parameter, is to receive or received from the adjacent node from the service node.

   21. the user equipment described in claim 19 or 20, it is characterised in that the receiving unit, Jin mono- Walk are used to receive signal, the signal includes the signal that the service node and the adjacent node are sent；

   The processing unit, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal, including：

   For down channel used in adjacent node described in the parameter Estimation according to the interference elimination resource；

   And for from received signal, the downstream signal sent on the down channel to be eliminated as interference signal.

   22. user equipment as claimed in claim 21, it is characterised in that the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node； The processing unit, for down channel used in adjacent node described in the parameter Estimation according to the interference elimination resource, including：

   For estimating the down channel according to the pilot frequency information.

   23. such as the user equipment of claim 22, it is characterised in that the parameter Jin mono- Walk that the interference eliminates resource include at least one of parameters described below：

   The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

   24.-kind be used to reduce the communication means of channel disturbance, characterized in that, methods described is applied to wireless communication system, the wireless communication system includes the service node that service is provided for user equipment, and the adjacent node of the service node, methods described includes：

   The service node determines that interference eliminates the parameter of resource；It is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；

   At least a portion for the parameter that the interference is eliminated resource by the service node is sent to the user equipment of the service node.

   25. communication means as claimed in claim 24, it is characterised in that

   The interference that the service node is determined eliminates the parameter of resource, is the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, it is the part that the interference that the adjacent node is sent eliminates the parameter of resource.

   26. communication means as claimed in claim 25, it is characterised in that the communication means Jin mono- Walk include：

   The service node asks the parameter of interference elimination resource to the adjacent node.

   27. such as the communication means of claim 24, it is characterised in that the communication means Jin mono- Walk include：

   The parameter that the interference eliminates resource is sent to the adjacent node by the service node；The parameter that the interference eliminates resource is used to indicate that the adjacent node eliminates resource using the interference corresponding to the parameter of the interference elimination resource and communicated with the user equipment of the adjacent node.

   28. such as one of claim 24-27 communication means, it is characterised in that it is data channel and/or control channel that the interference, which eliminates resource,.

   29. such as the communication means of claim 28, it is characterised in that

   The data channel is PDSCH, and the control channel is PDCCH and/or EPDCCH.

   30. such as one of claim 24-29 communication means, it is characterised in that the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.

   31. such as the communication means of claim 30, it is characterised in that the parameter Jin mono- Walk that the interference eliminates resource include at least one of parameters described below：

   The parameter of physical resource used in PDSCH, modulation system used in PDSCH,

   Coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

   32. the communication means as described in one of claim 24-31, the communication means Jin mono- Walk include：

   The mark of at least one cell of adjacent node described in the user equipment is notified, the parameter that the cell ID and the interference eliminate resource is eliminated for instruction user equipment to the signal received in the interference elimination resource of the cell as interference signal.

   33. a kind of communication means for being used to reduce channel disturbance, it is characterised in that methods described is applied to wireless communication system, and the wireless communication system includes the service of served user equipment Node, and the service node adjacent node, methods described includes：The adjacent node determines that interference eliminates the parameter of resource；It is down channel resources used in the adjacent node that the interference, which eliminates resource, and the parameter of the interference elimination resource is used to indicate that the interference is eliminated the signal received in the interference elimination resource corresponding to the parameter of resource and eliminated as interference signal by the user equipment of the service node；

   At least a portion for the parameter that the interference is eliminated resource by the adjacent node is sent to the user equipment of the service node.

   34. communication means as claimed in claim 33, it is characterised in that

   The interference eliminates the parameter of resource, is the whole that the interference that the service node is sent eliminates the parameter of resource；Or, it is the part that the interference that the service node is sent eliminates the parameter of resource.

   35. the communication means as described in one of claim 33-34, it is characterised in that at least a portion for the parameter that the interference is eliminated resource by the adjacent node is sent to the user equipment of the service node, is specially：

   At least a portion for the parameter that the interference is eliminated resource by the adjacent node by broadcasting the message is sent to the user equipment of the service node；

   Or including：At least a portion for the parameter that the interference is eliminated resource by the adjacent node is sent to the user equipment of the service node by the service node.

   36. the communication means as described in one of claim 33-35, it is characterised in that the communication means Jin mono- Walk include：The corresponding interference of parameter for eliminating resource using the interference eliminates resource and communicated with the user equipment of adjacent node.

   37. such as one of claim 33-36 communication means, it is characterised in that

   It is data channel and/or control channel that the interference, which eliminates resource,.

   38. such as the communication means of claim 37, it is characterised in that The data channel is PDSCH, and the control channel is PDCCH and/or EPDCCH.39. such as one of claim 33-38 communication means, it is characterised in that

   The parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node.

   40. such as one of claim 33-39 communication means, it is characterised in that the parameter that the interference eliminates resource includes at least one of parameters described below：

   The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

   41. such as one of claim 33-40 communication means, the communication means Jin mono- Walk include：The parameter that the user equipment that the mark of at least one cell of the base station is sent to the service node in adjacent node, the cell ID and the interference eliminate resource is used to indicate that the user equipment of the service node to be eliminated to the signal received in the interference elimination resource of the cell as interference signal.

   42. the communication means of-kind of reduction channel disturbance, characterized in that, methods described is applied to wireless communication system, the wireless communication system includes the service node that service is provided for the user equipment, and the adjacent node of the service node, methods described includes：

   The user equipment receives the parameter that interference eliminates resource, and it is down channel resources used in the adjacent node that the interference, which eliminates resource,

   The interference that the user equipment eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal.

   43. communication means as claimed in claim 42, it is characterised in that the parameter, is to receive or received from the adjacent node from the service node.

   44. the communication means as described in claim 42 or 43, it is characterised in that Methods described Jin mono- Walk include：Signal is received, the signal includes the signal that the service node and the adjacent node are sent；

   The interference that the user equipment eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal, including：

   The down channel used in adjacent node according to the interference eliminates the parameter Estimation of resource；

   And from received signal, the downstream signal sent on the down channel is eliminated as interference signal.

   45. communication means as claimed in claim 44, it is characterised in that the parameter that the interference eliminates resource includes the pilot frequency information of down channel used in the adjacent node；

   The down channel used in adjacent node according to the interference eliminates the parameter Estimation of resource, including：

   The user equipment estimates the down channel according to the pilot frequency information.

   46. communication means as claimed in claim 45, it is characterised in that the parameter Jin mono- Walk that the interference eliminates resource include at least one of parameters described below：

   The parameter of physical resource used in PDSCH, modulation system used in PDSCH, coded system used in PDSCH, code rate used in PDSCH, PDSCH primary sign.

   47. a kind of base station, the base station, which belongs to, also includes the adjacent node of the base station in wireless communication system, the wireless communication system, and the base station includes：

   Receiving unit, the upward signal for receiving user equipment transmission；

   Processing unit, for determining that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource, and is entered for the interference corresponding to the parameter of the interference elimination resource to be eliminated into the upward signal received in resource as interference signal Row is eliminated.

   48. base station as claimed in claim 47, it is characterised in that

   The receiving unit, Jin mono- Walk are used for the whole for receiving the parameter for the interference elimination resource that the adjacent node is sent；Or, receive a part for the parameter for the interference elimination resource that the adjacent node is sent.

   49. base station as claimed in claim 48, it is characterised in that

   The processing unit Jin mono- Walk are used to generate request message, and the request message is used for the parameter for asking the interference to eliminate resource to the adjacent node；The base station Jin mono- Walk include transmitting element, for the request message to be sent into the adjacent node.

   50. the base station as described in one of claim 47-49, it is characterised in that

   It is data channel and/or control channel that the interference, which eliminates resource,.

   51. such as the base station of claim 50, it is characterised in that

   The data channel is PUSCH, and the control channel is PUCCH.

   52. such as one of claim 47-51 base station, it is characterised in that

   The processing unit, is eliminated for the interference to be eliminated to the signal received in the interference elimination resource corresponding to the parameter of resource as interference signal, including：

   For up channel used in adjacent node described in the parameter Estimation according to the interference elimination resource；

   And for from the upward signal received, the upward signal sent on the up channel to be eliminated as interference signal.

   53. such as the base station of claim 52, it is characterised in that the parameter that the interference eliminates resource includes the pilot frequency information of up channel used in the adjacent node；

   The processing unit, for up channel used in the user equipment of adjacent node described in the parameter Estimation according to the interference elimination resource, including： The processing unit, for estimating the up channel according to the pilot frequency information.

   54. such as the base station of claim 53, it is characterised in that the parameter Jin mono- Walk that the interference eliminates resource include at least one of parameters described below：

   The parameter of physical resource used in PUSCH, modulation system used in PUSCH, coded system used in PUSCH, code rate used in PUSCH.

   55. a kind of communication means for reducing channel disturbance, it is characterised in that methods described is applied to wireless communication system, the wireless communication system includes service node, and the service node adjacent node, methods described includes：

   The service node receives the upward signal that user equipment is sent；

   It is determined that interference eliminates the parameter of resource, it is uplink channel resources used in the adjacent node that the interference, which eliminates resource, and

   The interference is eliminated to the upward signal received in the interference elimination resource corresponding to the parameter of resource to be eliminated as interference signal.

   56. communication means as claimed in claim 55, it is characterised in that

   The interference eliminates the parameter of resource, is the whole that the interference that the adjacent node is sent eliminates the parameter of resource；Or, it is the part that the interference that the adjacent node is sent eliminates the parameter of resource.

   57. the communication means as described in claim 55 or 56, it is characterised in that the communication means Jin mono- Walk include：

   The parameter of interference elimination resource is asked to the adjacent node.

   58. such as one of claim 55-57 communication means, it is characterised in that

   It is data channel and/or control channel that the interference, which eliminates resource,.

   59. such as the communication means of claim 58, it is characterised in that

   The data channel is PUSCH, and the control channel is PUCCH.

   60. the communication means as described in one of claim 55-59, it is characterised in that the interference that the service node eliminates the interference corresponding to the parameter of resource eliminates the signal received in resource and eliminated as interference signal, including：

   Up channel used in the user equipment of adjacent node according to the interference eliminates the parameter Estimation of resource；

   And from the upward signal received, the upward signal sent on the up channel is eliminated as interference signal.

   61. such as the communication means of claim 60, it is characterised in that the parameter that the interference eliminates resource includes the pilot frequency information of up channel used in the adjacent node；

   Up channel used in the user equipment of the adjacent node according to the interference eliminates the parameter Estimation of resource, including：

   The service node estimates the up channel according to the pilot frequency information.

   62. such as the communication means of claim 61, it is characterised in that the parameter Jin mono- Walk that the interference eliminates resource include at least one of parameters described below：

   The parameter of physical resource used in PUSCH, modulation system used in PUSCH,

   Coded system used in PUSCH, code rate used in PUSCH.