CN105025519B - Interference signal measurement method and relevant device - Google Patents
Interference signal measurement method and relevant device Download PDFInfo
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- CN105025519B CN105025519B CN201410182435.2A CN201410182435A CN105025519B CN 105025519 B CN105025519 B CN 105025519B CN 201410182435 A CN201410182435 A CN 201410182435A CN 105025519 B CN105025519 B CN 105025519B
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Abstract
The invention discloses a kind of interference signal measurement method and relevant devices, to the accuracy of interference signal measurement when improving down channel measurement.This method comprises: receiving the interference signal parameters that first base station is sent；Interference signal is measured on the downlink measurement pilot frequency based on downlink channel transmission or in the resource of measurable interference according to the interference signal parameters.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of interference signal measurement method and relevant devices.
Background technique
In long term evolution (Long Term Evolution, LTE) system, terminal is based on downlink measurement pilot frequency to downlink
Channel measures, to obtain channel state information.Terminal needs to measure useful signal and does when carrying out down channel measurement
Disturb signal.
In 1~transmission mode of transmission mode 9, terminal is in public reference signal (Cell-specific reference
Signal, CRS) on measure interference signal；In transmission mode 10, terminal is in interferometry resource (CSI Interference
Measurement Resource, CSI-IMR) on measure interference signal.Terminal is measured by down channel and obtains channel status
After information, to the base station feedback channel state information.
Wherein, transmission mode 10 is a kind of transmission mode newly increased in LTE-A, mainly to support multi-cell cooperating
Communication, to improve Cell Edge User.By taking transmission mode 10 as an example, terminal is configured with more than one channel state information with reference to letter
Number (channel state information reference signal, CSI-RS) and more than one CSI-IMR, one
One CSI-RS and CSI-IMR of channel state information (CSI) process context, terminal measure useful letter on CSI-RS
Number, interference signal is measured on corresponding CSI-IMR.
In the prior art, it is measured for the interference signal in down channel measurement, only defines the letter of measurement interference signal
Number resource, for example, interference signal measurement carried out on CRS or CSI-RS or CSI-IMR on carry out, but terminal according only to
The accuracy that signal resource measures interference signal is lower, and the accuracy of the channel state information of terminal feedback is also difficult to ensure, base
It is also difficult to effectively eliminate interference in the interference signal of measurement.
Summary of the invention
The present invention provides a kind of interference signal measurement method and relevant device, to interference when improving down channel measurement
The accuracy of signal measurement.
Specific technical solution provided in an embodiment of the present invention is as follows:
A kind of interference signal measurement method, comprising:
Receive the interference signal parameters that first base station is sent；
According to the interference signal parameters on the downlink measurement pilot frequency based on downlink channel transmission or can measure interference
Interference signal is measured in resource.
A method of notice interference signal parameters, comprising:
Obtain interference signal parameters；
The interference signal parameters are sent to terminal, are believed according to the interference signal parameters based on downlink by the terminal
Interference signal is measured on the downlink measurement pilot frequency of road transmission or in the resource of measurable interference.
A kind of terminal, comprising:
Receiving module, for receiving the interference signal parameters of first base station transmission；
Processing module, for according to the interference signal parameters on the downlink measurement pilot frequency based on downlink channel transmission or
It can measure and measure interference signal in the resource of interference.
A kind of base station, comprising:
Module is obtained, for obtaining interference signal parameters；
Sending module is joined by the terminal according to the interference signal for sending the interference signal parameters to terminal
Number measures interference signal on the downlink measurement pilot frequency based on downlink channel transmission or in the resource of measurable interference.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, from base station to terminal notification interference signal parameters, terminal is in base
Believe on the downlink measurement pilot frequency of downlink channel transmission or according to interference signal parameters measurement interference in the resource of measurable interference
Number, improve the accuracy of interference signal measurement.
Detailed description of the invention
Fig. 1 is the method flow schematic diagram of interference signal measurement in the embodiment of the present invention；
Fig. 2 a is CRS resource block schematic diagram；
Fig. 2 b is CSI-IMR resource block schematic diagram；
Fig. 3 is the method flow schematic diagram that base station notifies interference signal parameters in the embodiment of the present invention；
Fig. 4 is interference signal and useful signal schematic diagram in the embodiment of the present invention；
Fig. 5 is terminal structure schematic diagram in the embodiment of the present invention；
Fig. 6 is architecture of base station schematic diagram in the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
In following embodiment, first base station is defined as providing the base station of service for terminal, and the second base station is defined as to first
The base station that terminal in the coverage cell of base station interferes.
In first embodiment of the invention, as shown in Figure 1, the method detailed process that terminal carries out interference signal measurement is as follows:
Step 101: terminal receives the interference signal parameters that first base station is sent.
In practical application, first base station notifies terminal interference signal parameters by high-level signaling, which only needs
Interference signal parameters can be carried.
Preferably, terminal receives wireless heterogeneous networks (Radio Resource Control, the RRC) letter of first base station
It enables, obtains the interference signal parameters carried in RRC signaling.
Preferably, the second base that interference signal parameters are interfered by first base station from the cell covered to the first base station
It stands acquisition.
Specifically, by taking transmission mode 10 as an example, first base station passes through RRC signaling configuration association one CSI-RS and one
CSI-IMR also configures one or more interference signal parameters, which is sent out while configuring CSI-IMR in the RRC signaling
Terminal is given, one CSI process is configured according to the RRC signaling by terminal and obtains interference signal parameters.
Step 102: on the downlink measurement pilot frequency based on downlink channel transmission or measurable dry according to interference signal parameters
Interference signal is measured in the resource disturbed.
Specifically, for transmission mode 10, interference signal is measured in the resource that can measure interference, this can measure interference
Resource at least can be CSI-IMR.
Preferably, interference signal parameters are the parameter that can be impacted to the feature of interference signal.
Specifically, interference signal parameters include the transmission mode, order of modulation, code rate, precoding vector of interference signal
(PMI), order (RI), transmission power, multicast broadcast single frequency network MBSFN sub-frame pattern, cell dedicated reference symbols port number, cell
Mark, demodulated reference signal DMRS, QCL (quasi- colocation site) information, resource allocation granularity, resource for scrambling interfered cell
Distribution type, centralization or distributed virtual resource block VRB, control signaling format indicator signal, system bandwidth, synchronizing indication,
It is used to indicate the instruction information that interference signal whether there is, the length of cyclic prefix (CP) and any in power ratio information
One or more kinds of combinations.
It will be understood by those skilled in the art that be herein only to enumerate, it can be to the institute that the feature of interference signal impacts
There is parameter within the protection scope of the embodiment of the present invention, the present invention is not limited thereto.
Wherein, be simultaneously indicated for be used to indicate interfered cell whether the information synchronous with Target cell.
Preferably, interference signal parameters are by first base station from the second base station interfered to the cell that first base station covers
It obtains.
Preferably, first base station obtains interference signal parameters from the second base station by X2 interface, i.e., passes through half between base station
Static signaling interacts, to guarantee the interference signal parameters that the second base station is sent and the interference signal that disturbed UE is received
Parameter is identical, guarantees the accuracy of interference signal measurement.
Wherein, for different transmission modes, interference signal is measured based on CRS or CSI-IMR.Specifically, for LTE
In 1~transmission mode of transmission mode 9, based on CRS measure interference signal；It is dry based on CSI-IMR measurement for transmission mode 10
Signal is disturbed, Fig. 2 a show the resource block schematic diagram of CRS occupancy, and Fig. 2 b show the resource block schematic diagram of CSI-IMR occupancy.
It preferably, should if there is no the terminals for needing the second base station to send data in the region that the second base station is administered
Second base station sends the random data handled using same interference signal parameters, to be further ensured that interference signal measures
Accuracy.
Specifically, for 1~transmission mode of transmission mode 9, if there is no need the in the region that the second base station is administered
Two base stations send the terminal of data, then second base station is handled based on PDSCH transmission using same interference signal parameters
Random data.
Specifically, for transmission mode 10, if there is no need the second base station to send in the region that the second base station is administered
The terminal of data, then second base station based on PDSCH or CSI-IMR send using same interference signal parameters handled with
Machine data.
Wherein, transmission mode 1 is single antenna port transmission, is mainly used in the occasion of single antenna transmissions；Transmission mode 2 is
Diversity mode is sent, is suitable for the situation that cell edge channel situation is more complicated, interference is larger, is also used for high-speed transfer sometimes
The case where, diversity is capable of providing diversity gain；Transmission mode 3 is big delay diversity mode, the feelings mobile suitable for terminal high-speed
Condition；Transmission mode 4 is Closed-Loop Spatial Multiplexing mode, is suitable for the preferable occasion of channel condition, is passed for providing high data transfer rate
It is defeated；Transmission mode 5 is multi-user's multiple-input and multiple-output (Multi User MIMO, MU-MIMO) transmission mode, is mainly used to mention
The capacity of high cell；The case where transmission mode 6 is the transmission mode that order is 1 (Rank=1), is primarily suitable for cell edge；It passes
Single stream wave beam forming (Beamforming) mode that defeated mode 7 is port (Port) 5, is mainly used for cell edge, can be effective
To anti-interference；Transmission mode 8 is dual-stream beamforming (Beamforming) mode, and can be used for cell edge can also apply
In other scenes；Transmission mode 9 is the one mode newly increased in advanced long term evolution (LTE-A) system, can be supported most
Greatly to 8 layers of transmission, mainly for promoting message transmission rate.
Preferably, terminal measure obtain interference signal and measurement obtain useful signal after, according to the interference signal with
And useful signal determines channel state information, and channel state information is sent to first base station, by first base station according to channel
While status information sends downlink data, sent by the second base station based on interference signal parameters treated data.To make
It must obtain and be done used by used interference signal parameters, with the interference signal when downlink data transmission when channel state information
It is consistent to disturb signal parameter, to improve channel transmission quality.
Wherein, when first base station sends downlink data, by the transmission of the second base station, based on interference signal parameters, treated
Data, the interference signal parameters are identical as the interference signal parameters that first base station is sent to terminal.
Wherein, channel state information includes any one in order, precoding vector (PMI) and channel quality instruction (CQI)
Kind or combination.
Based on the same inventive concept, in second embodiment of the invention, as shown in figure 3, first base station notice interference signal ginseng
Several method detailed processes is as follows:
Step 301: first base station obtains interference signal parameters.
Preferably, the second base station that first base station is interfered from the cell covered to the base station obtains interference signal ginseng
Number.
Preferably, first base station obtains interference signal parameters from the second base station by X2 interface.
Preferably, interference signal parameters are the parameter that can be impacted to the feature of interference signal, and that specifically enumerates is dry
It is identical as the description in first embodiment to disturb signal parameter, details are not described herein again.
Step 302: first base station to terminal send interference signal parameters, by terminal according to interference signal parameters in the case where being based on
Interference signal is measured on the downlink measurement pilot frequency of row transmission or in the resource of measurable interference.
In practical application, first base station notifies terminal interference signal parameters by high-level signaling, which only needs
Interference signal parameters can be carried.
Preferably, first base station carries interference signal parameters in RRC signaling, sends the RRC signaling to terminal.
Wherein, for different transmission modes, interference signal can be measured based on CRS or CSI-IMR.Specifically, right
1~transmission mode of transmission mode 9 in LTE measures interference signal based on CRS；For transmission mode 10, it is based on CSI-IMR
Measure interference signal.
Wherein, interference signal be the second base station send based on same interference signal parameters treated signal.
It preferably, should if there is no the terminals for needing the second base station to send data in the region that the second base station is administered
Second base station sends the random data handled using interference signal parameters, to be further ensured that the standard of interference signal measurement
True property.
Specifically, for 1~transmission mode of transmission mode 9, if there is no need the in the region that the second base station is administered
Two base stations send the terminal of data, then second base station is handled based on PDSCH transmission using same interference signal parameters
Random data.
Specifically, for transmission mode 10, if there is no need the second base station to send in the region that the second base station is administered
The terminal of data, then second base station based on PDSCH or CSI-IMR send using same interference signal parameters handled with
Machine data.
Preferably, first base station receives the channel state information that terminal returns, and the channel state information is by terminal according to survey
The interference signal of amount and the useful signal of measurement determine；And downlink data is sent to terminal according to channel state information, simultaneously
It is sent by the second base station using interference signal parameters treated signal.
Preferably, when first base station sends downlink data, the second base station sends the letter using interference signal parameters processing
Number, the interference signal parameters are identical as the interference signal parameters that base station is sent to terminal.So that obtaining channel state information
When used interference signal parameters, it is consistent with interference signal parameters used by interference signal when downlink data transmission, can
To further increase channel transmission quality.
Wherein, channel state information includes any one in order, PMI and CQI or combination.
The process measured below by way of a specific embodiment interference signal is described in detail.
It in the specific embodiment, is illustrated by taking transmission mode 10 as an example, entire communication process can be divided into two stages:
Interference signal measuring phases and the data transfer phase for being based on Physical Downlink Shared Channel (PDSCH).
As shown in figure 4, the UE1 in cell (Cell) 1 is target UE, and the base station of cell 2 is interference source.
Carrying out interference signal measurement, detailed process is as follows:
UE1 receives the signaling of the transmission of the base station in cell 1, and obtains the modulation order of the interference signal carried in the signaling
Number QPSK carries out interference signal measurement according to the order of modulation.Base station in cell 2 measures the interference signal moment to small in UE1
UE2 in area 2 sends the data using QPSK modulation.In the case where there is no UE that base station is needed to send data in cell 2, cell
Base station in 2 sends the random data being modulated by QPSK.Due to UE1 measurement the interference signal moment use order of modulation with
Order of modulation used by the interference signal that cell 2 generates UE1 is identical, can be improved the accuracy of interference signal measurement, into
And promote the feedback quality of the channel state information determined based on the interference signal of measurement.
Carry out data transmission that detailed process is as follows:
When base station in cell 1 sends downlink data to UE1 based on PDSCH, the channel state information fed back using UE1,
The base station in cell 2 sends the data being modulated using QPSK to the UE under affiliated subdistrict simultaneously, so that the UE1 feedback moment is dry
The order of modulation for disturbing interference signal when the order of modulation of signal really receives downlink signal with UE1 is identical.
The method of the specific embodiment can be used for the other parameters of interference signal, such as code rate, order, precoding vector, hair
Send power etc..
In the specific embodiment, interference signal parameters are identical when interference signal measuring with base station transmission downlink signal can be with
Improve channel quality.In the specific embodiment, the UE1 in cell 1 is when carrying out interference signal measurement, it is assumed that on CSI-IMR
Interference signal meets certain particular community, and the particular community is by network configuration, such as by RRC signaling, and the specific properties are by leading to
Know to the interference signal parameters characterization of UE1.
Based on the same inventive concept, a kind of terminal is provided in third embodiment of the invention, the specific implementation of the terminal can
Referring to the description of terminal side in the first, second embodiment, overlaps will not be repeated, as shown in figure 5, the terminal specifically includes that
Receiving module 501, for receiving the interference signal parameters of first base station transmission；
Processing module 502, for according to interference signal parameters on the downlink measurement pilot frequency based on downlink channel transmission or
It can measure and measure interference signal in the resource of interference.
Preferably, receiving module 501 is specifically used for:
The RRC signaling for receiving first base station, obtains the interference signal parameters carried in the RRC signaling.
Preferably, interference signal parameters are obtained by the second base station that first base station is interfered from the cell covered to the base station
?.
Preferably, the interference signal be second base station send based on the interference signal parameters treated letter
Number.
Preferably, processing module 502 is also used to:
Channel state information is determined according to the useful signal of interference signal and measurement, and the channel state information is sent out
First base station is given, while sending downlink data according to channel state information by the first base station, base is sent by the second base station
In interference signal parameters treated signal.
Preferably, interference signal parameters are the parameter that can be impacted to the feature of interference signal, and specific list is done
It is identical as the description in first embodiment to disturb signal parameter, details are not described herein again.
Based on the same inventive concept, a kind of base station is provided in fourth embodiment of the invention, the specific implementation of the base station can
Referring to the description of first base station side in above-mentioned first, second embodiment, overlaps will not be repeated, as shown in fig. 6, base station master
Include:
Module 601 is obtained, for obtaining interference signal parameters；
Sending module 602 is being based on by terminal according to the interference signal parameters for sending interference signal parameters to terminal
Interference signal is measured on the downlink measurement pilot frequency of downlink channel transmission or in the resource of measurable interference.
Preferably, sending module 602 is specifically used for:
Interference signal parameters are carried in RRC signaling, send the RRC signaling to terminal.
Preferably, module 601 is obtained to be specifically used for:
The second base station interfered from the cell covered to the base station obtains interference signal parameters.
Preferably, module 601 is obtained to be specifically used for:
Interference signal parameters are obtained from the second base station by X2 interface.
Preferably, further include receiving module 603, be used for:
Receive the channel state information that terminal returns, the channel state information by terminal according to the interference signal of measurement and
The useful signal of measurement determines；
Correspondingly, sending module 602 is also used to:
While sending downlink data to terminal according to channel state information, is sent by the second base station and joined based on interference signal
Number treated signal.
Preferably, interference signal parameters are the parameter that can be impacted to the feature of interference signal, and specific list is done
It is identical as the description in first embodiment to disturb signal parameter, details are not described herein again.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, from base station to terminal notification interference signal parameters, terminal is in base
In measuring interference signal according to interference signal parameters on the downlink measurement pilot frequency of downlink channel transmission, interference signal measurement is improved
Accuracy.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (20)
1. a kind of interference signal measurement method characterized by comprising
Receive the interference signal parameters that first base station is sent；
According to the interference signal parameters on the downlink measurement pilot frequency based on downlink channel transmission or can measure interference resource
Upper measurement interference signal；
Wherein, the interference signal parameters are identical as the interference signal parameters of downlink channel transmission, and the interference signal parameters
Transmission mode, order of modulation, code rate, precoding vector, order including interference signal one of send power or a variety of groups
It closes.
2. the method as described in claim 1, which is characterized in that receive the interference signal parameters that first base station is sent, comprising:
The radio resource control RRC signaling for receiving the first base station obtains the interference signal ginseng carried in the RRC signaling
Number.
3. the method as described in claim 1, which is characterized in that the interference signal parameters are by the first base station to described
The second base station that the cell of first base station covering interferes obtains.
4. method as claimed in claim 3, which is characterized in that the interference signal for second base station send based on institute
State interference signal parameters treated signal.
5. method as claimed in claim 4, which is characterized in that the method also includes:
Channel state information is determined according to the useful signal of the interference signal and measurement, and the channel state information is sent out
The first base station is given, downlink data is sent according to the channel state information by the first base station, and by described the
Two base stations are sent based on the interference signal parameters treated signal.
6. a kind of method for notifying interference signal parameters characterized by comprising
Obtain interference signal parameters；
The interference signal parameters are sent to terminal, are passed according to the interference signal parameters based on down channel by the terminal
Interference signal is measured on defeated downlink measurement pilot frequency or in the resource of measurable interference；
Wherein, the interference signal parameters are identical as the interference signal parameters of downlink channel transmission, and the interference signal parameters
Transmission mode, order of modulation, code rate, precoding vector, order including interference signal one of send power or a variety of groups
It closes.
7. method as claimed in claim 6, which is characterized in that send the interference signal parameters to terminal, comprising:
The interference signal parameters are carried in radio resource control RRC signaling, Xiang Suoshu terminal sends the RRC signaling.
8. the method for claim 7, which is characterized in that obtain interference signal parameters, comprising:
The interference signal parameters are obtained to the second base station that the cell that first base station covers interferes.
9. method according to claim 8, which is characterized in that from the second base interfered to the cell that first base station covers
It stands and obtains the interference signal parameters, comprising:
The interference signal parameters are obtained from second base station by X2 interface.
10. method according to claim 8, which is characterized in that the method also includes:
The channel state information that the terminal returns is received, the channel state information is by the terminal according to the described dry of measurement
The useful signal for disturbing signal and measurement determines；
Downlink data is sent to the terminal according to the channel state information, and is sent by second base station based on described
Interference signal parameters treated signal.
11. a kind of terminal characterized by comprising
Receiving module, for receiving the interference signal parameters of first base station transmission, wherein the interference signal parameters and downlink are believed
The interference signal parameters of road transmission are identical, and the interference signal parameters include the transmission mode, order of modulation, code of interference signal
One of rate, precoding vector, order or transmission power or multiple combinations；
Processing module, for that on the downlink measurement pilot frequency based on downlink channel transmission or can be surveyed according to the interference signal parameters
It measures and measures interference signal in the resource of interference.
12. terminal as claimed in claim 11, which is characterized in that the receiving module is specifically used for:
The radio resource control RRC signaling for receiving the first base station obtains the interference signal ginseng carried in the RRC signaling
Number.
13. terminal as claimed in claim 11, which is characterized in that the interference signal parameters are by the first base station to institute
State the second base station acquisition that the cell of first base station covering interferes.
14. terminal as claimed in claim 13, which is characterized in that the interference signal be second base station send based on
The interference signal parameters treated signal.
15. terminal as claimed in claim 14, which is characterized in that the processing module is also used to:
Channel state information is determined according to the useful signal of the interference signal and measurement, and the channel state information is sent out
The first base station is given, downlink data is sent according to the channel state information by the first base station, and by described the
Two base stations are sent based on the interference signal parameters treated signal.
16. a kind of base station characterized by comprising
Module is obtained, for obtaining interference signal parameters, wherein the interference of the interference signal parameters and downlink channel transmission is believed
Number parameter is identical, and the interference signal parameters include the transmission mode of interference signal, order of modulation, code rate, precoding vector,
One of order or transmission power or multiple combinations；
Sending module is existed by the terminal according to the interference signal parameters for sending the interference signal parameters to terminal
Interference signal is measured on downlink measurement pilot frequency based on downlink channel transmission or in the resource of measurable interference.
17. base station as claimed in claim 16, which is characterized in that the sending module is specifically used for:
The interference signal parameters are carried in radio resource control RRC signaling, Xiang Suoshu terminal sends the RRC signaling.
18. base station as claimed in claim 17, which is characterized in that the acquisition module is specifically used for:
The interference signal parameters are obtained from the second base station that the cell covered to the base station interferes.
19. base station as claimed in claim 18, which is characterized in that the acquisition module is specifically used for:
The interference signal parameters are obtained from second base station by x2 interface.
20. base station as claimed in claim 18, which is characterized in that further include receiving module, be used for:
The channel state information that the terminal returns is received, the channel state information is by the terminal according to the described dry of measurement
The useful signal for disturbing signal and measurement determines；
The sending module is also used to:
Downlink data is sent to the terminal according to the channel state information, and is sent by second base station based on described
Interference signal parameters treated signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410182435.2A CN105025519B (en) | 2014-04-30 | 2014-04-30 | Interference signal measurement method and relevant device |
| PCT/CN2015/077255 WO2015165356A1 (en) | 2014-04-30 | 2015-04-23 | Authentication information transmitting method and terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410182435.2A CN105025519B (en) | 2014-04-30 | 2014-04-30 | Interference signal measurement method and relevant device |
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| CN105025519B true CN105025519B (en) | 2019-06-14 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690148A (en) * | 2016-08-04 | 2018-02-13 | 中兴通讯股份有限公司 | A kind of interference processing method and processing device of cell signal |
| JP2019208085A (en) | 2016-09-29 | 2019-12-05 | シャープ株式会社 | Terminal device, base station device, communication method, and integrated circuit |
| CN108282296B (en) * | 2017-01-06 | 2024-03-01 | 华为技术有限公司 | Reference signal transmission method and device |
| US11284355B2 (en) | 2017-03-24 | 2022-03-22 | Huawei Technologies Co., Ltd. | Interference measurement method and related device |
| EP3602939A1 (en) * | 2017-03-24 | 2020-02-05 | Telefonaktiebolaget LM Ericsson (PUBL) | Systems and methods of indicating a transmitter configuration for a wireless device |
| CN109150771B (en) * | 2017-06-28 | 2021-05-28 | 展讯通信（上海）有限公司 | User terminal, interference cell blind detection method, storage medium and electronic equipment |
| CN108111276B (en) | 2017-08-11 | 2021-07-23 | 中兴通讯股份有限公司 | Reference signal configuration method and device |
| EP3637629B1 (en) * | 2018-01-19 | 2021-04-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Channel state information (csi) measurement method, terminal device and network device |
| CN111656856B (en) * | 2018-01-30 | 2022-03-29 | 华为技术有限公司 | Signal sending method and related equipment |
| US11071133B2 (en) * | 2018-03-05 | 2021-07-20 | Qualcomm Incorporated | Cross-link interference detection and mitigation |
| CN110545164B (en) * | 2018-05-28 | 2022-09-02 | 华为技术有限公司 | Method and apparatus for interference indication in a communication system |
| CN110971380B (en) * | 2018-09-28 | 2022-06-03 | 海信集团有限公司 | Remote interference management method and network side equipment |
| CN111835475B (en) * | 2019-04-19 | 2022-05-13 | 华为技术有限公司 | Method and apparatus for transmitting and receiving DMRS |
| CN114553338B (en) * | 2022-02-25 | 2024-07-16 | 哲库科技(北京)有限公司 | Method and device for determining interference signal, electronic equipment and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102149124A (en) * | 2011-04-22 | 2011-08-10 | 电信科学技术研究院 | Method and equipment for measuring interference under cooperated multi-point transmission |
| CN102215505A (en) * | 2010-04-12 | 2011-10-12 | 中兴通讯股份有限公司 | Method and system for detecting uplink interference source |
| CN102368697A (en) * | 2011-09-30 | 2012-03-07 | 中兴通讯股份有限公司 | Interference measurement signaling notification method, interference measurement method, feedback method and apparatuses thereof |
| WO2013020257A1 (en) * | 2011-08-05 | 2013-02-14 | Nec (China) Co., Ltd. | Method and apparatus for indicating downlink channel measurement and method and apparatus performing downlink channel measurement in a relaying system |
| CN103039107A (en) * | 2010-03-29 | 2013-04-10 | Lg电子株式会社 | Method and apparatus for measurement for inter-cell interference coordination in radio communication system |
-
2014
- 2014-04-30 CN CN201410182435.2A patent/CN105025519B/en active Active
-
2015
- 2015-04-23 WO PCT/CN2015/077255 patent/WO2015165356A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103039107A (en) * | 2010-03-29 | 2013-04-10 | Lg电子株式会社 | Method and apparatus for measurement for inter-cell interference coordination in radio communication system |
| CN102215505A (en) * | 2010-04-12 | 2011-10-12 | 中兴通讯股份有限公司 | Method and system for detecting uplink interference source |
| CN102149124A (en) * | 2011-04-22 | 2011-08-10 | 电信科学技术研究院 | Method and equipment for measuring interference under cooperated multi-point transmission |
| WO2013020257A1 (en) * | 2011-08-05 | 2013-02-14 | Nec (China) Co., Ltd. | Method and apparatus for indicating downlink channel measurement and method and apparatus performing downlink channel measurement in a relaying system |
| CN102368697A (en) * | 2011-09-30 | 2012-03-07 | 中兴通讯股份有限公司 | Interference measurement signaling notification method, interference measurement method, feedback method and apparatuses thereof |
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