CN114286376A - Method, device, medium and communication base station for measuring cross link interference - Google Patents
Method, device, medium and communication base station for measuring cross link interference Download PDFInfo
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Abstract
The application relates to the field of wireless communication, and discloses a method and a device for measuring cross link interference, a computer readable medium and a communication base station. The method comprises the following steps: sending time-frequency resource configuration information to a terminal, and sending time-frequency resource position information to a scrambling base station, wherein the time-frequency resource configuration information and the time-frequency resource position information indicate the same time-frequency resource position used when interference measurement is carried out between the base stations, and the time-frequency resource configuration information is used for indicating that the terminal does not send a sounding reference signal at the time-frequency resource position; acquiring multi-dimensional signal attribute configuration information transmitted by a scrambling base station; receiving an interference measurement reference signal sent by an interference base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multi-dimensional signal attribute configuration information; and generating an interference analysis report according to the received interference measurement reference signal and the bottom noise RSSI. The method can accurately measure the cross link interference between the base stations, does not need to additionally occupy time-frequency resources, and does not influence the normal operation of the existing base stations.
Description
Technical Field
The present application relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for measuring cross-link interference, a computer-readable medium, and a communication base station.
Background
At present, if different uplink and downlink time slot frame structures are adopted in adjacent base station cells, cross time slot interference exists, including interference of downlink signals of an interfering base station to uplink signals of an interfered base station and interference between terminals.
Generally, considering that the transmitting power of a terminal is relatively small, the distance between two terminals respectively accessing different base stations is not too close, and other factors, the interference of the terminal to the terminal can be temporarily not considered; the interference of the base station to the base station is more obvious. Therefore, it is necessary to measure the interference between base stations.
In the prior art, in order to measure the cross link interference between base stations, a method of suspending the base station service or setting a special time-frequency resource in a disturbed base station and an interfering base station to send and receive an interference measurement reference signal is generally adopted, which may affect the normal service of the base station and cause extra resource overhead.
There is a need in the art for a method for measuring cross-link interference between base stations with accuracy and less resource consumption.
Disclosure of Invention
In the field of wireless communication technology, to solve the above technical problem, an object of the present application is to provide a method, an apparatus, a computer-readable medium, and a communication base station for measuring cross-link interference.
According to an aspect of an embodiment of the present application, there is provided a method for measuring cross-link interference, the method including:
sending time-frequency resource configuration information to a terminal, and sending time-frequency resource position information to a scrambling base station, wherein the time-frequency resource configuration information and the time-frequency resource position information indicate the same time-frequency resource position used in inter-base station interference measurement, and the time-frequency resource configuration information is used for indicating that the terminal does not send a sounding reference signal at the time-frequency resource position;
acquiring multi-dimensional signal attribute configuration information sent by the scrambling base station, wherein the multi-dimensional signal attribute configuration information comprises beam direction pattern information and power configuration information, the beam direction pattern information is used for representing a beam transmitting angle, and the power configuration information is used for representing signal transmitting power;
receiving an interference measurement reference signal sent by the interference base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multi-dimensional signal attribute configuration information;
and generating an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI.
According to an aspect of an embodiment of the present application, there is provided a method for measuring cross-link interference, the method including:
acquiring time-frequency resource position information sent by an interfered base station, wherein the time-frequency resource position information and time-frequency resource configuration information indicate the same time-frequency resource position used when interference measurement is carried out between the base stations, the time-frequency resource configuration information is sent to a terminal by the interfered base station, and the time-frequency resource configuration information is used for indicating that the terminal does not send a sounding reference signal at the time-frequency resource position;
sending multidimensional signal attribute configuration information to the interfered base station, wherein the multidimensional signal attribute configuration information comprises beam direction pattern information and power configuration information, the beam direction pattern information is used for representing a beam transmitting angle, and the power configuration information is used for representing signal transmitting power;
and sending an interference measurement reference signal to the interfered base station at the time-frequency resource position indicated by the time-frequency resource position information according to the multi-dimensional signal attribute configuration information, so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI after receiving the interference measurement reference signal.
According to an aspect of an embodiment of the present application, there is provided an apparatus for measuring cross-link interference, the apparatus including:
a sending module, configured to send time-frequency resource configuration information to a terminal, and send time-frequency resource location information to a scrambling base station, where the time-frequency resource configuration information and the time-frequency resource location information indicate a same time-frequency resource location used when performing inter-base station interference measurement, and the time-frequency resource configuration information is used to indicate that the terminal does not send a sounding reference signal at the time-frequency resource location;
an obtaining module, configured to obtain multi-dimensional signal attribute configuration information sent by the scrambling base station, where the multi-dimensional signal attribute configuration information includes beam direction pattern information and power configuration information, the beam direction pattern information is used to indicate a beam transmission angle, and the power configuration information is used to indicate signal transmission power;
a receiving module, configured to receive an interference measurement reference signal sent by the interfering base station at a time-frequency resource location indicated by the time-frequency resource location information according to the multi-dimensional signal attribute configuration information;
and the generating module is used for generating an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI.
According to an aspect of an embodiment of the present application, there is provided an apparatus for measuring cross-link interference, the apparatus including:
an information obtaining module, configured to obtain time-frequency resource location information sent by a victim base station, where the time-frequency resource location information and time-frequency resource configuration information indicate a same time-frequency resource location used when performing inter-base station interference measurement, the time-frequency resource configuration information is sent to a terminal by the victim base station, and the time-frequency resource configuration information is used to indicate that the terminal does not send a sounding reference signal at the time-frequency resource location;
a first sending module, configured to send multi-dimensional signal attribute configuration information to the victim base station, where the multi-dimensional signal attribute configuration information includes beam direction pattern information and power configuration information, the beam direction pattern information is used to indicate a beam transmission angle, and the power configuration information is used to indicate signal transmission power;
a second sending module, configured to send, according to the multidimensional signal attribute configuration information, an interference measurement reference signal to the interfered base station at a time-frequency resource location indicated by the time-frequency resource location information, so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and a bottom-noise RSSI after receiving the interference measurement reference signal.
According to an aspect of embodiments of the present application, there is provided a computer-readable medium, on which a computer program is stored, which, when executed by a processor, implements the method as described in the above embodiments.
According to an aspect of an embodiment of the present application, there is provided a communication base station, including:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the method as described in the embodiments above.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the method for measuring the cross link interference provided by the application comprises the following steps: sending time-frequency resource configuration information to a terminal, and sending time-frequency resource position information to a scrambling base station, wherein the time-frequency resource configuration information and the time-frequency resource position information indicate the same time-frequency resource position used in inter-base station interference measurement, and the time-frequency resource configuration information is used for indicating that the terminal does not send a sounding reference signal at the time-frequency resource position; acquiring multi-dimensional signal attribute configuration information sent by the scrambling base station, wherein the multi-dimensional signal attribute configuration information comprises beam direction pattern information and power configuration information, the beam direction pattern information is used for representing a beam transmitting angle, and the power configuration information is used for representing signal transmitting power; receiving an interference measurement reference signal sent by the interference base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multi-dimensional signal attribute configuration information; and generating an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI.
According to the method, the time-frequency resource positions are respectively provided for the terminal and the disturbing base station, and then the multi-dimensional signal attribute configuration information provided by the disturbing base station is obtained, so that the disturbed base station can obtain the interference measurement reference signal and the bottom noise RSSI which are sent by the disturbing base station at the time-frequency resource positions according to the multi-dimensional signal attribute configuration information, and further an interference analysis report can be generated based on the interference measurement reference signal and the bottom noise RSSI. Because the multidimensional signal attribute configuration information provided by the disturbing base station reflects multi-aspect signal information related to the disturbing base station, the interference analysis report realizes multi-aspect interference measurement and evaluation, so that the cross link interference between the disturbing base station and the disturbed base station can be accurately measured, and a decision basis is provided for interference elimination; in addition, the time-frequency resource configuration information is used for indicating the terminal not to send the sounding reference signal at the time-frequency resource position, so that the interference measurement reference signal can be distinguished in the normal communication process of the terminal and the interfered base station, and the interference measurement can be realized under the condition of not occupying new time-frequency resources.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
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The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a system architecture diagram illustrating a method of measuring cross-link interference in accordance with an exemplary embodiment;
fig. 2 is a flow chart illustrating a method of measuring cross-link interference in accordance with an example embodiment;
FIG. 3 is a schematic diagram illustrating the measurement of cross-link interference in accordance with an exemplary embodiment;
fig. 4 is a flowchart illustrating a specific implementation of a cross-link interference measurement method according to an exemplary embodiment;
fig. 5 is a flow chart illustrating a method of measuring cross link interference in accordance with another exemplary embodiment;
FIG. 6 is a block diagram illustrating a cross-link interference measurement apparatus in accordance with an exemplary embodiment;
fig. 7 is a block diagram illustrating a cross-link interference measurement apparatus in accordance with another exemplary embodiment;
fig. 8 shows a schematic structural diagram of a computer system suitable for implementing the communication base station of the embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
Furthermore, the drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
In the current deployed 5G TDD system, mainly aiming at the service requirements of 2C clients, all network base stations adopt a unified frame structure and uplink and downlink timeslot ratios, and cannot really embody a flexible wireless air interface advantage. In different areas and time periods in part of vertical industry scenes, the business requirements of uplink and downlink are different, and different uplink and downlink time slot structures are needed, so that Cross-Link Interference (CLI) is generated, namely downlink Interference uplink between base stations and uplink Interference downlink between terminals. Therefore, the elimination of the interference between the base stations is of great significance to the improvement of the communication quality.
How to measure interference between base stations is not defined in related technical standards, and even though some technologies achieve measurement of interference between base stations, the accuracy is generally low and the practicability is not achieved, and special time-frequency resources are set in a disturbed base station and an interfering base station to transmit and receive interference measurement reference signals, which causes additional resource overhead.
Therefore, the method for measuring the cross link interference is provided firstly, the method can overcome the defects, can accurately and effectively measure the cross link interference between the base stations, and is strong in practicability and free of causing extra resource overhead. The scheme of the embodiment of the application can be applied to various types of communication networks such as 4G, 5G, LTE and the like.
The implementation terminal of the embodiment of the present application may be various devices that can be deployed in a base station, such as a server and a computer, or may be a device that can communicate with a base station although being located outside the base station.
Fig. 1 is a system architecture diagram illustrating a method for measuring cross-link interference according to an example embodiment. As shown in fig. 1, the system architecture 100 includes a victim base station 101, an aggressor base station 102, and a terminal device 103, where the terminal device 103 accesses the victim base station 101 through a wireless communication network, and the victim base station 101 and the aggressor base station 102 can communicate with each other. When the method for measuring cross-link interference provided by the present application is applied to the system architecture shown in fig. 1, a specific process may be as follows: firstly, the interfered base station 101 sends time-frequency resource configuration information to the terminal equipment 103, the time-frequency resource configuration information indicates that the terminal equipment 103 does not send a sounding reference signal at a time-frequency resource position, the interfered base station 101 also sends time-frequency resource position information to the interfering base station 102 through an interface, wherein the time-frequency resource position indicated by the time-frequency resource configuration information is the same as the time-frequency resource position indicated by the time-frequency resource position information; next, the disturbing base station 102 sends multi-dimensional signal attribute configuration information to the disturbed base station 101; subsequently, when performing interference measurement, the terminal device 103 does not send a sounding reference signal to the interfered base station 101 at the time-frequency resource position indicated by the time-frequency resource configuration information, and the interfering base station 102 sends an interference measurement reference signal to the interfered base station 101 at the time-frequency resource position indicated by the time-frequency resource position information according to the multi-dimensional signal attribute configuration information, so that the interfered base station can identify the interference measurement reference signal; finally, the interfered base station 101 may generate an interference analysis report according to the interference measurement reference signal and the background RSSI.
In one embodiment of the present application, the multi-dimensional signal attribute configuration information includes beam direction pattern information and power configuration information, the beam direction pattern information is used for indicating a beam transmission angle, and the power configuration information is used for indicating signal transmission power.
In one embodiment of the present application, the interfered base station 101 generates a multi-dimensional interference analysis report according to the obtained multiple interference measurement reference signals and the bottom noise RSSI.
It should be noted that fig. 1 is only one embodiment of the present application, and although in the embodiment of fig. 1, the interference analysis report is directly generated by the interfered base station according to the interference measurement reference signal, in other embodiments of the present application, the interfered base station may also process the interference measurement reference signal to generate raw data, and then send the raw data to other terminals or base stations, and the other terminals or base stations generate the interference analysis report. The embodiments of the present application are not limited in this respect, and the scope of protection of the present application should not be limited thereby.
Fig. 2 is a flow chart illustrating a method of measuring cross-link interference in accordance with an example embodiment. The method for measuring cross link interference provided in the embodiment of fig. 2 may be executed by a base station, and specifically may be executed by a victim base station, as shown in fig. 2, the method may include the following steps:
The time-frequency resource configuration information and the time-frequency resource location information may be the same information, and both indicate the same time-frequency resource location, for example, the time-frequency resource configuration information may include the time-frequency resource location information. The difference between the two is that the time frequency resource configuration information is sent to the terminal, and the time frequency resource location information is sent to the scrambling base station. Certainly, the time-frequency resource configuration information and the time-frequency resource location information may include different information besides the same time-frequency resource location. The terminal can be terminal equipment such as a smart phone accessed to the disturbed base station.
The time-frequency resource locations may include frequencies and time slots, which may be periodic or aperiodic. The time-frequency resource position in the time-frequency resource configuration information is used to instruct the terminal to send an SRS (Sounding Reference Signal) on the time-frequency resource position, and the time-frequency resource position in the time-frequency resource position information is used to instruct the interfering base station to send an interference measurement Reference Signal on the time-frequency resource position.
In an embodiment of the present application, sending time-frequency resource location information to an interfering base station includes:
and sending time-frequency resource position information to the interference base station through an interface between the interference base station and the interference base station.
Specifically, can be represented by XnInterface or X2And the interface is used for sending time-frequency resource position information to the interference base station.
XnInterface and X2The interfaces are network interfaces between base stations and can support direct transmission of data and signaling.
Fig. 3 is a schematic diagram illustrating a principle of measuring cross-link interference according to an example embodiment. Referring to fig. 3, in the system, a victim cell and an aggressor cell are provided, and the victim cell and the aggressor cell are respectively located in a victim base station and an aggressor base station, so that interference measurement can be performed between the victim cell and the aggressor cell.
The multidimensional signal attribute configuration information comprises beam direction pattern information and power configuration information, wherein the beam direction pattern information is used for representing a beam transmitting angle, and the power configuration information is used for representing signal transmitting power.
The multidimensional signal attribute configuration information provided by the interference base station can be determined according to the attribute information such as the antenna configuration of the interference base station.
With continued Reference to fig. 3, the lower right corner shows a table showing the configuration of interference measurement CLI-RS (CLI-Reference Signal), the table includes three columns of information, i.e. configuration, beam and power, wherein each information in the column of beams may be a beam direction pattern information, e.g. 30 ° indicates that the beam emitting angle is 30 degrees, and the beam direction pattern information may indicate the SSB beam direction or PDSCH beam direction; each item of information in a power column is a signal transmission power. Thus, the power configuration information may be configured as full power, decremented by 3dB, etc.
When the interfered base station receives different signals sent by different signal sources at the same time frequency resource position, the different signals cannot be distinguished. The terminal does not send the sounding reference signal at the time-frequency resource position, so that the interference measurement reference signal at the same time-frequency resource position can be identified, signal interference is avoided, and interference measurement can be carried out. Therefore, the original time-frequency resources can be reused without occupying new time-frequency resources additionally, thereby reducing the resource overhead.
Please refer to fig. 3, a slot is a time slot of a signal, SRS configuration is time-frequency resource configuration information, a terminal does not transmit an SRS to a victim cell, two slots, namely slot3 and slot4, in the SRS configuration to which the SRS is directed belong to a time-frequency resource position indicated by the time-frequency resource configuration information, no signal is transmitted in the two slots, but signals are transmitted in other slots.
With continued reference to fig. 3, the reference signal CLI-RS for transmitting interference measurement to the victim cell by the aggressor cell is the interference measurement reference signal, and in the diagram below the aggressor cell, two slots, slot3 and slot4, have outstanding signals, which means that the interference measurement reference signal is transmitted at the two slots.
And step 240, generating an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI.
And the interfered base station can also obtain the background noise RSSI while receiving the interference measurement reference signal, and on the basis, an interference analysis report can be generated according to the known position of the interference base station, the antenna orientation, the multi-dimensional signal attribute configuration information and other various information comprehensive analysis.
In one embodiment of the present application, generating an interference analysis report according to an interference measurement reference signal and a background RSSI comprises: extracting an interference measurement reference signal at a time-frequency resource position indicated by the time-frequency resource position information; measuring a strength of an interference measurement reference signal and a received signal strength indication; an interference analysis report is generated based on the strength of the interference measurement reference signal and the received signal strength indication.
RSSI (Received Signal Strength Indication) is a measure of the Strength of a wireless Signal.
The interference analysis report may be generated based on the strength of the interference measurement reference signal and the received signal strength indication according to various rules or algorithms.
In an embodiment of the present application, the multidimensional signal attribute configuration information is a plurality of sets, and an interference analysis report is generated according to an interference measurement reference signal and a background noise RSSI, including: and generating a multidimensional interference analysis report according to the obtained multiple interference measurement reference signals and the obtained bottom noise RSSI, wherein each interference measurement reference signal is sent by the interference applying base station according to a group of multidimensional signal attribute configuration information.
Specifically, referring to fig. 3, a table shown in a lower right corner includes a plurality of sets of beam and power configurations, and the interfering cell/base station transmits interference measurement reference signals to the interfered cell/base station according to each set of configurations at a time-frequency resource location, so that the interfered cell/base station can obtain a plurality of interference measurement reference signals.
In the embodiment of the application, the interference measurement reference signals sent by the interference base station based on different multi-dimensional signal attribute configuration information are obtained, so that the interference measurement reference signals sent by the interference base station under different conditions can be obtained, a multi-dimensional interference analysis report is generated, and the accuracy of the generated interference analysis report is improved.
In one embodiment of the present application, after generating the interference analysis report based on the interference measurement reference signal and the background RSSI, the method further comprises: and generating an interference elimination strategy according to the interference analysis report.
Generating an interference elimination strategy according to the interference analysis report through a machine learning model and the like; or configuring corresponding interference elimination strategies for different types of interference analysis reports in advance, and then determining the corresponding interference elimination strategies according to the types of the interference analysis reports.
Fig. 4 is a flowchart illustrating a specific implementation of a cross-link interference measurement method according to an exemplary embodiment. The scheme of the embodiment of the present application is further described below with reference to fig. 4:
firstly, step 1 is executed between the terminal and the interfered base station, and step 2 is executed between the interfered base station and the interfering base station:
1. and the base station configures the SRS and assigns time-frequency resources.
2. And transmitting the SRS configuration information through an interface between the base stations.
Next, after the interfering base station selects the beam direction pattern and the power configuration, step 3 is performed between the interfering base station and the interfered base station:
3. communicating beam direction patterns and power configurations.
Then, step 4-1 is executed between the terminal and the interfered base station, and step 4-2 is executed between the interfering base station and the interfered base station:
4-1, not transmitting the SRS at the configured time-frequency position.
And 4-2, sending interference measurement reference signals CLI-RS at the same time frequency resource position.
Finally, step 5 is executed at the disturbed base station:
5. and measuring the strength and RSSI of the interference reference signal to form an interference analysis report under different beam directions and power configurations.
In summary, in the embodiment of the application, in the existing wireless network, the disturbed base station performs personalized configuration on the time frequency resource of the terminal sending the SRS, specifies that the terminal does not send the SRS at part of the time frequency resource positions, and transmits the configuration to the disturbed station through the interactive interface between the base stations. The interference base station selects different wave beam directions and powers in the configured time frequency resource position to send a reference signal CLI-RS for interference measurement, the interfered base station measures the reference signal of the interference base station, the original SRS time frequency resource is reused, and the resource overhead is reduced, so that the cross link interference between the base stations is measured and analyzed in multiple dimensions on the premise of not occupying new time frequency resources, the effectiveness and the accuracy of the interference measurement are improved, and a basis is provided for the interference elimination and the avoidance strategy of the cross link interference between the base stations.
According to a second aspect of the present application, there is also provided another method for measuring cross-link interference.
Fig. 5 is a flowchart illustrating a method for measuring cross link interference according to another exemplary embodiment, which may be performed by an interfering base station, and as shown in fig. 5, may include the following steps:
The multidimensional signal attribute configuration information comprises beam direction pattern information and power configuration information, wherein the beam direction pattern information is used for representing a beam transmitting angle, and the power configuration information is used for representing signal transmitting power.
According to a third aspect of the present application, there is also provided an apparatus for measuring cross-link interference, which may be located in a disturbed base station.
Fig. 6 is a block diagram illustrating a cross-link interference measurement apparatus in accordance with an example embodiment. As shown in fig. 6, the apparatus 600 includes:
a sending module 610, configured to send time-frequency resource configuration information to a terminal, and send time-frequency resource location information to an interfering base station, where the time-frequency resource configuration information and the time-frequency resource location information indicate a same time-frequency resource location used when performing inter-base station interference measurement, and the time-frequency resource configuration information is used to indicate that the terminal does not send a sounding reference signal at the time-frequency resource location.
An obtaining module 620, configured to obtain multi-dimensional signal attribute configuration information sent by the scrambling base station, where the multi-dimensional signal attribute configuration information includes beam direction pattern information and power configuration information, the beam direction pattern information is used to indicate a beam transmission angle, and the power configuration information is used to indicate signal transmission power.
A receiving module 630, configured to receive an interference measurement reference signal sent by the interfering base station at the time-frequency resource location indicated by the time-frequency resource location information according to the multi-dimensional signal attribute configuration information.
A generating module 640, configured to generate an interference analysis report according to the interference measurement reference signal and the background RSSI.
According to a fourth aspect of the present application, there is provided another apparatus for measuring cross-link interference, which may be located in an interfering base station.
Fig. 7 is a block diagram illustrating a cross-link interference measurement apparatus according to another exemplary embodiment. As shown in fig. 7, the apparatus 700 includes:
an information obtaining module 710, configured to obtain time-frequency resource location information sent by an interfered base station, where the time-frequency resource location information and time-frequency resource configuration information indicate a same time-frequency resource location used when performing inter-base station interference measurement, the time-frequency resource configuration information is sent by the interfered base station to a terminal, and the time-frequency resource configuration information is used to indicate that the terminal does not send a sounding reference signal at the time-frequency resource location;
a first sending module 720, configured to send multidimensional signal attribute configuration information to the victim base station, where the multidimensional signal attribute configuration information includes beam direction pattern information and power configuration information, the beam direction pattern information is used to indicate a beam transmission angle, and the power configuration information is used to indicate signal transmission power;
a second sending module 730, configured to send, according to the multidimensional signal attribute configuration information, an interference measurement reference signal to the interfered base station at the time-frequency resource location indicated by the time-frequency resource location information, so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and a bottom-noise RSSI after receiving the interference measurement reference signal.
According to another aspect of the present application, there is also provided a communication base station capable of implementing the above method.
As will be appreciated by one skilled in the art, aspects of the present application may be embodied as a system, method or program product. Accordingly, various aspects of the present application may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
Fig. 8 shows a schematic structural diagram of a computer system suitable for implementing the communication base station of the embodiment of the present application.
It should be noted that the computer system 800 of the electronic device shown in fig. 8 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 8, a computer system 800 includes a Central Processing Unit (CPU)801 that can perform various appropriate actions and processes, such as performing the methods described in the above embodiments, according to a program stored in a Read-Only Memory (ROM) 802 or a program loaded from a storage section 808 into a Random Access Memory (RAM) 803. In the RAM 803, various programs and data necessary for system operation are also stored. The CPU 801, ROM 802, and RAM 803 are connected to each other via a bus 804. An Input/Output (I/O) interface 805 is also connected to bus 804.
The following components are connected to the I/O interface 805: an input portion 806 including a keyboard, a mouse, and the like; an output section 807 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and a speaker; a storage portion 808 including a hard disk and the like; and a communication section 809 including a Network interface card such as a LAN (Local Area Network) card, a modem, or the like. The communication section 809 performs communication processing via a network such as the internet. A drive 810 is also connected to the I/O interface 805 as necessary. A removable medium 811 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 810 as necessary, so that a computer program read out therefrom is mounted on the storage section 808 as necessary.
In particular, according to embodiments of the application, the processes described above with reference to the flow diagrams may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program can be downloaded and installed from a network through the communication section 809 and/or installed from the removable medium 811. When the computer program is executed by the Central Processing Unit (CPU)801, various functions defined in the system of the present application are executed.
It should be noted that the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a flash Memory, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves.
As an aspect, the present application also provides a computer-readable medium, which may be contained in the electronic device described in the above embodiments; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs which, when executed by an electronic device, cause the electronic device to implement the method described in the above embodiments.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which can be a personal computer, a server, a touch terminal, or a network device, etc.) to execute the method according to the embodiments of the present application.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A method for measuring cross-link interference, the method comprising:
sending time-frequency resource configuration information to a terminal, and sending time-frequency resource position information to a scrambling base station, wherein the time-frequency resource configuration information and the time-frequency resource position information indicate the same time-frequency resource position used in inter-base station interference measurement, and the time-frequency resource configuration information is used for indicating that the terminal does not send a sounding reference signal at the time-frequency resource position;
acquiring multi-dimensional signal attribute configuration information sent by the scrambling base station, wherein the multi-dimensional signal attribute configuration information comprises beam direction pattern information and power configuration information, the beam direction pattern information is used for representing a beam transmitting angle, and the power configuration information is used for representing signal transmitting power;
receiving an interference measurement reference signal sent by the interference base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multi-dimensional signal attribute configuration information;
and generating an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI.
2. The method of claim 1, wherein sending time-frequency resource location information to the interfering base station comprises:
and sending time-frequency resource position information to the interference base station through an interface between the interference base station and the interference base station.
3. The method of claim 2, wherein generating an interference analysis report based on the interference measurement reference signal and a background RSSI comprises:
extracting the interference measurement reference signal at a time-frequency resource position indicated by the time-frequency resource position information;
measuring a strength of the interference measurement reference signal and a received signal strength indication;
generating an interference analysis report based on the strength of the interference measurement reference signal and the received signal strength indication.
4. The method of claim 1, wherein the multi-dimensional signal attribute configuration information is a plurality of sets, and wherein generating an interference analysis report according to the interference measurement reference signal and a background RSSI comprises:
and generating a multidimensional interference analysis report according to the obtained multiple interference measurement reference signals and the obtained bottom noise RSSI, wherein each interference measurement reference signal is sent by the interference base station according to a group of multidimensional signal attribute configuration information.
5. The method of claim 1, wherein after generating an interference analysis report based on the interference measurement reference signal and a background RSSI, the method further comprises:
and generating an interference elimination strategy according to the interference analysis report.
6. A method for measuring cross-link interference, the method comprising:
acquiring time-frequency resource position information sent by an interfered base station, wherein the time-frequency resource position information and time-frequency resource configuration information indicate the same time-frequency resource position used when interference measurement is carried out between the base stations, the time-frequency resource configuration information is sent to a terminal by the interfered base station, and the time-frequency resource configuration information is used for indicating that the terminal does not send a sounding reference signal at the time-frequency resource position;
sending multidimensional signal attribute configuration information to the interfered base station, wherein the multidimensional signal attribute configuration information comprises beam direction pattern information and power configuration information, the beam direction pattern information is used for representing a beam transmitting angle, and the power configuration information is used for representing signal transmitting power;
and sending an interference measurement reference signal to the interfered base station at the time-frequency resource position indicated by the time-frequency resource position information according to the multi-dimensional signal attribute configuration information, so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI after receiving the interference measurement reference signal.
7. An apparatus for measuring cross-link interference, the apparatus comprising:
a sending module, configured to send time-frequency resource configuration information to a terminal, and send time-frequency resource location information to a scrambling base station, where the time-frequency resource configuration information and the time-frequency resource location information indicate a same time-frequency resource location used when performing inter-base station interference measurement, and the time-frequency resource configuration information is used to indicate that the terminal does not send a sounding reference signal at the time-frequency resource location;
an obtaining module, configured to obtain multi-dimensional signal attribute configuration information sent by the scrambling base station, where the multi-dimensional signal attribute configuration information includes beam direction pattern information and power configuration information, the beam direction pattern information is used to indicate a beam transmission angle, and the power configuration information is used to indicate signal transmission power;
a receiving module, configured to receive an interference measurement reference signal sent by the interfering base station at a time-frequency resource location indicated by the time-frequency resource location information according to the multi-dimensional signal attribute configuration information;
and the generating module is used for generating an interference analysis report according to the interference measurement reference signal and the bottom noise RSSI.
8. An apparatus for measuring cross-link interference, the apparatus comprising:
an information obtaining module, configured to obtain time-frequency resource location information sent by a victim base station, where the time-frequency resource location information and time-frequency resource configuration information indicate a same time-frequency resource location used when performing inter-base station interference measurement, the time-frequency resource configuration information is sent to a terminal by the victim base station, and the time-frequency resource configuration information is used to indicate that the terminal does not send a sounding reference signal at the time-frequency resource location;
a first sending module, configured to send multi-dimensional signal attribute configuration information to the victim base station, where the multi-dimensional signal attribute configuration information includes beam direction pattern information and power configuration information, the beam direction pattern information is used to indicate a beam transmission angle, and the power configuration information is used to indicate signal transmission power;
a second sending module, configured to send, according to the multidimensional signal attribute configuration information, an interference measurement reference signal to the interfered base station at a time-frequency resource location indicated by the time-frequency resource location information, so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and a bottom-noise RSSI after receiving the interference measurement reference signal.
9. A computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 6.
10. A communication base station, comprising:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to carry out the method of any one of claims 1 to 6.
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| CN202111566964.9A CN114286376B (en) | 2021-12-20 | 2021-12-20 | Method, device, medium and communication base station for measuring cross link interference |
| PCT/CN2022/132571 WO2023116285A1 (en) | 2021-12-20 | 2022-11-17 | Cross-link interference measurement method and apparatus, and medium and communication base station |
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| CN202111566964.9A CN114286376B (en) | 2021-12-20 | 2021-12-20 | Method, device, medium and communication base station for measuring cross link interference |
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| WO2023116285A1 (en) * | 2021-12-20 | 2023-06-29 | 中国电信股份有限公司 | Cross-link interference measurement method and apparatus, and medium and communication base station |
| WO2024094089A1 (en) * | 2022-11-02 | 2024-05-10 | 北京紫光展锐通信技术有限公司 | Communication method and apparatus, chip and storage medium |
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| CN114286376B (en) | 2024-04-05 |
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