CN114286376B - 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: the method comprises the steps that time-frequency resource configuration information is sent to a terminal, time-frequency resource position information is sent to a scrambling base station, the time-frequency resource configuration information and the time-frequency resource position information indicate the same time-frequency resource position used when inter-base station interference measurement is carried out, 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 multidimensional signal attribute configuration information sent by a Shi Raoji station; receiving an interference measurement reference signal sent by a Shi Rao base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multidimensional signal attribute configuration information; and generating an interference analysis report according to the received interference measurement reference signal and the noise-floor RSSI. The method can accurately measure the cross link interference between the base stations, does not need to occupy additional time-frequency resources, and does not influence the normal operation of the existing base stations.
Description
Technical Field
The present invention relates to the field of wireless communications 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 by adjacent base station cells, cross time slot interference exists, including interference of scrambling base station downlink signals on scrambling base station uplink signals and interference between terminals.
In general, considering factors such as small transmitting power of the terminal, and small distance between two terminals respectively connected to different base stations, the interference of the terminal to the terminal can be temporarily not considered; the interference from the base station to the base station is more pronounced. Therefore, it is necessary to measure inter-base station interference.
In the prior art, in order to measure the cross link interference between base stations, a method of suspending the service of the base station or setting special time-frequency resources in the interfered base station and the scrambling base station to transmit and receive interference measurement reference signals is generally adopted, so that the normal service of the base station is affected and extra resource overhead is caused.
There is a need in the art for a method of measuring cross-link interference between base stations that is accurate and less resource consuming.
Disclosure of Invention
In order to solve the above technical problems in the wireless communication technical field, an object of the present application is to provide a method, a device, a computer readable medium and a communication base station for measuring cross link interference.
According to an aspect of the embodiments of the present application, there is provided a method for measuring cross link interference, the method including:
the method comprises the steps of 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 inter-base station interference measurement is carried out, and the time-frequency resource configuration information is used for indicating that the terminal does not send a detection reference signal at the time-frequency resource position;
acquiring multi-dimensional signal attribute configuration information sent by the Shi Rao 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 emission angle, and the power configuration information is used for representing signal emission power;
receiving an interference measurement reference signal sent by the Shi Rao base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multidimensional signal attribute configuration information;
and generating an interference analysis report according to the interference measurement reference signal and the noise-floor RSSI.
According to an aspect of the embodiments 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 a 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 inter-base station interference measurement is carried out, 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 detection reference signal at the time-frequency resource position;
transmitting multidimensional signal attribute configuration information to the disturbed 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 transmission angle, and the power configuration information is used for representing signal transmission 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 noise-floor RSSI after receiving the interference measurement reference signal.
According to an aspect of the embodiments of the present application, there is provided a measurement device for cross link interference, the device including:
the transmitting module is used for transmitting time-frequency resource configuration information to the terminal and transmitting time-frequency resource position information to the 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 inter-base station interference measurement is carried out, and the time-frequency resource configuration information is used for indicating that the terminal does not transmit a sounding reference signal at the time-frequency resource position;
the acquiring module is used for acquiring multidimensional signal attribute configuration information sent by the Shi Rao 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 emission angle, and the power configuration information is used for representing signal emission power;
a receiving module, configured to receive an interference measurement reference signal sent by the Shi Rao base station at a time-frequency resource location indicated by the time-frequency resource location information according to the multidimensional 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 noise-based RSSI.
According to an aspect of the embodiments of the present application, there is provided a measurement device for cross link interference, the device including:
the information acquisition module is used for acquiring time-frequency resource position information sent by a 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 inter-base station interference measurement is carried out, 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 detection reference signal at the time-frequency resource position;
the first sending module is used for sending multidimensional signal attribute configuration information to the disturbed 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 emission angle, and the power configuration information is used for representing signal emission power;
and the second sending module is used for 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 multidimensional signal attribute configuration information so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and the noise-floor RSSI after receiving the interference measurement reference signal.
According to an aspect of the embodiments of the present application, there is provided a computer readable medium having stored thereon a computer program which, when executed by a processor, implements a method as described in the above embodiments.
According to an aspect of the embodiments of the present application, there is provided a communication base station including:
one or more processors;
and 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 above embodiments.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:
the method for measuring the cross link interference comprises the following steps: the method comprises the steps of 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 inter-base station interference measurement is carried out, and the time-frequency resource configuration information is used for indicating that the terminal does not send a detection reference signal at the time-frequency resource position; acquiring multi-dimensional signal attribute configuration information sent by the Shi Rao 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 emission angle, and the power configuration information is used for representing signal emission power; receiving an interference measurement reference signal sent by the Shi Rao base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multidimensional signal attribute configuration information; and generating an interference analysis report according to the interference measurement reference signal and the noise-floor RSSI.
According to the method, the time-frequency resource positions are provided for the terminal and the scrambling base station respectively, and then the multidimensional signal attribute configuration information provided by the scrambling base station is obtained, so that the scrambling base station can obtain the interference measurement reference signal and the noise-based RSSI which are transmitted by the scrambling base station at the time-frequency resource positions according to the multidimensional signal attribute configuration information, and further an interference analysis report can be generated based on the interference measurement reference signal and the noise-based RSSI. Because the multidimensional signal attribute configuration information provided by the scrambling base station reflects the multidimensional signal information about the scrambling base station, the interference analysis report realizes the measurement and evaluation of the interference in multiple aspects, so that the cross link interference between the Shi Raoji station and the scrambling base station can be accurately measured, and a decision basis is provided for interference elimination; in addition, because 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, the interference measurement reference signal can be distinguished in the normal communication process of the terminal and the interfered base station, so that 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.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the 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 according to an exemplary embodiment;
FIG. 3 is a schematic diagram illustrating a measurement of cross-link interference in accordance with an exemplary embodiment;
FIG. 4 is a flow diagram illustrating an implementation of a method for measuring cross-link interference according to an exemplary embodiment;
fig. 5 is a flow chart illustrating a method of measuring cross-link interference according to another exemplary embodiment;
FIG. 6 is a block diagram illustrating a measurement device for cross-link interference in accordance with an exemplary embodiment;
FIG. 7 is a block diagram of a measurement device for cross-link interference, according to another example embodiment;
fig. 8 shows a schematic diagram of a computer system suitable for use in implementing the communication base station of the embodiments of the present application.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
Furthermore, the drawings are only 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 a repetitive description thereof 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 deployment 5G TDD system, the whole network base station adopts a unified frame structure and uplink and downlink time slot proportion mainly aiming at the service requirement of 2C clients, and the flexible wireless air interface advantage cannot be truly embodied. And the uplink and downlink business requirements are different in different areas and time periods in part of the vertical industry scene, and different uplink and downlink time slot structures are needed, so that Cross-link interference (Cross-Link Interference, CLI) is generated, namely, downlink interference between base stations is uplink, and uplink interference between terminals is downlink. Therefore, the elimination of inter-base station interference is of great importance to improve communication quality.
In the related art standard, how to measure the inter-base station interference is not defined, even if some technologies realize the measurement of the inter-base station interference, the accuracy is generally low, the practicality is not provided, and special time-frequency resources are set in the interfered base station and the scrambling base station to send and receive interference measurement reference signals, which causes additional resource overhead.
Therefore, the method can overcome the defects, can accurately and effectively measure the cross link interference among the base stations, has strong practicability and does not cause extra resource expense. The scheme of the embodiment of the application can be applied to various types of communication networks such as various types of 4G, 5G, LTE and the like.
The implementation terminal in 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 it is located outside the base station.
Fig. 1 is a system architecture diagram illustrating a method of measuring cross-link interference according to an exemplary embodiment. As shown in fig. 1, the system architecture 100 includes a victim base station 101, a offender 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 communication can be performed between the victim base station 101 and the Shi Rao base station 102. When the measurement method of cross link interference provided in the present application is applied to the system architecture shown in fig. 1, a specific procedure may be as follows: firstly, the interfered base station 101 sends time-frequency resource configuration information to the terminal device 103, wherein the time-frequency resource configuration information indicates that the terminal device 103 does not send a sounding reference signal at a time-frequency resource position, and the interfered base station 101 also sends time-frequency resource position information to the interfered 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 Shi Rao base station 102 transmits the multidimensional signal attribute configuration information to the victim base station 101; then, 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 interfered 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 victim base station 101 can generate an interference analysis report from the interference measurement reference signal and the background noise RSSI.
In one embodiment of the present application, the multi-dimensional signal attribute configuration information includes beam direction pattern information for representing a beam transmission angle and power configuration information for representing a signal transmission power.
In one embodiment of the present application, the victim base station 101 generates a multi-dimensional interference analysis report from the obtained plurality of interference measurement reference signals and the background 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 the original data, and then send the original data to other terminals or base stations, so that the interference analysis report is generated by the other terminals or base stations. The embodiments of the present application should not be limited in any way, nor should the scope of protection of the present application be limited in any way.
Fig. 2 is a flow chart illustrating a method of measuring cross-link interference according to an exemplary embodiment. The method for measuring cross link interference provided in the embodiment of fig. 2 may be performed by a base station, specifically may be performed by a interfered base station, and as shown in fig. 2, may include the following steps:
step 210, time-frequency resource configuration information is sent to the terminal, and time-frequency resource position information is sent to the scrambling base station, where the time-frequency resource configuration information and the time-frequency resource position information indicate the same time-frequency resource position used when inter-base station interference measurement is performed, 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 position.
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 time-frequency resource location information. The difference is that the time-frequency resource allocation information is sent to the terminal and the time-frequency resource location information is sent to the Shi Raoji station. Of course, the time-frequency resource configuration information and the time-frequency resource location information may include other different information besides the same time-frequency resource location. The terminal may be a terminal device such as a smart phone that accesses the victim 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 for indicating the terminal to send 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 for indicating Shi Raoji station to send interference measurement reference signal on the time-frequency resource position.
In one embodiment of the present application, sending time-frequency resource location information to a scrambling base station includes:
and sending the time-frequency resource position information to the scrambling base station through an interface between the time-frequency resource position information and the scrambling base station.
In particular, it is possible to pass X n Interface or X 2 And the interface is used for sending the time-frequency resource position information to the scrambling base station.
X n Interface and X 2 The interfaces are all network interfaces between the 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 exemplary embodiment. Referring to fig. 3, a victim cell and a victim cell are provided in the system, and are located in a victim base station and a victim base station, respectively, so that interference measurements can be made between the victim cell and the victim cell.
Step 220, obtain the multidimensional signal attribute configuration information sent by Shi Raoji station.
The multi-dimensional 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 transmission angle, and the power configuration information is used for representing signal transmission power.
The multidimensional signal attribute configuration information provided by the scrambling base station can be determined according to the attribute information such as the antenna configuration of the scrambling base station.
With continued Reference to fig. 3, the lower right corner shows a table, which is a configuration of a CLI-Reference Signal (CLI-Reference Signal) for interference measurement, and includes three columns of information, namely configuration, beam and power, where each item of information in a beam column may be beam direction pattern information, for example, 30 ° indicates that the beam emission angle is 30 degrees, and the beam direction pattern information may indicate the SSB beam direction or the PDSCH beam direction; each item of information in a column of power is a signal transmit power. Thus, the power configuration information may be configured to full power, decremented by 3dB, and so on.
In step 230, the interference measurement reference signal sent by the base station at the time-frequency resource location indicated by the time-frequency resource location information according to the multidimensional signal attribute configuration information is received Shi Rao.
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. Because the terminal does not send the sounding reference signal at the time-frequency resource position, the interference measurement reference signal at the same time-frequency resource position can be identified, signal interference is avoided, and interference measurement can be further carried out. Therefore, the original time-frequency resources can be reused without occupying new time-frequency resources additionally, thereby reducing the resource cost.
With continued reference to fig. 3, slot is a time slot of a signal, SRS configuration is time-frequency resource configuration information, the terminal does not transmit SRS to the interfered cell, two slots, slot3 and slot4 in the SRS configuration to which SRS is not transmitted, belong to time-frequency resource positions indicated by the time-frequency resource configuration information, and signals are not transmitted in the two slots, but signals are transmitted in other slots.
With continued reference to fig. 3, the reference signal CLI-RS for interference measurement transmitted by the interfering cell to the interfered cell is the interference measurement reference signal, and in the diagram below the interfering cell, there are prominent signals at two slots slot3 and slot4, which represent that the interference measurement reference signal is transmitted at the two slots.
Step 240, generating an interference analysis report according to the interference measurement reference signal and the noise floor RSSI.
The interfered base station receives the interference measurement reference signal and obtains the noise-reduced RSSI, and based on the noise-reduced RSSI, the interference analysis report can be further generated according to the comprehensive analysis of the known position of the Shi Raoji station, the antenna orientation, the multidimensional signal attribute configuration information sent by the Shi Raoji station and other various information.
In one embodiment of the present application, generating an interference analysis report from an interference measurement reference signal and a background noise RSSI includes: extracting an interference measurement reference signal at a time-frequency resource location indicated by the time-frequency resource location information; measuring the strength of the interference measurement reference signal and the 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.
The RSSI (Received Signal Strength Indication ) is a measure of the wireless signal strength.
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 one embodiment of the present application, the multi-dimensional signal attribute configuration information is multiple sets, and the generating an interference analysis report according to the interference measurement reference signal and the noise floor RSSI includes: a multi-dimensional interference analysis report is generated according to the obtained multiple interference measurement reference signals and the noise floor RSSI, wherein each interference measurement reference signal is sent by a Shi Raoji station according to a set of multi-dimensional signal attribute configuration information.
Specifically, referring to fig. 3, the table shown in the 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 at the time-frequency resource location according to each set configuration, 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 applying base station under different conditions can be obtained by obtaining the interference measurement reference signals sent by the interference applying base station based on different multidimensional signal attribute configuration information, so that a multidimensional 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 from the interference measurement reference signal and the background noise RSSI, the method further comprises: an interference cancellation strategy is generated from the interference analysis report.
Generating an interference elimination strategy according to the interference analysis report through models such as machine learning; it is also possible to configure corresponding interference cancellation strategies for different types of interference analysis reports in advance and then determine the corresponding interference cancellation strategies according to the type to which the interference analysis report belongs.
Fig. 4 is a flow chart illustrating an implementation of a method for measuring cross link interference according to an exemplary embodiment. The following further describes the scheme of the embodiment of the present application with reference to fig. 4:
first, step 1 is performed between the terminal and the victim base station, and step 2 is performed between the victim base station and the offender base station:
1. the base station configures SRS and assigns time-frequency resources.
2. And transmitting SRS configuration information through an interface between base stations.
Next, after the scrambling base station selects the beam direction pattern and power configuration, step 3 is performed between the scrambling base station and the interfered base station:
3. the beam direction pattern and the power configuration are transferred.
Step 4-1 is then performed between the terminal and the victim base station, while step 4-2 is performed between the offender base station and the victim base station:
4-1, not transmitting SRS at the configured time-frequency location.
4-2, transmitting interference measurement reference signals CLI-RS at the same time-frequency resource position.
Finally, step 5 is executed at the interfered base station:
5. the intensity and RSSI of the interference reference signal are measured to form interference analysis reports under different beam directions and power configurations.
In summary, in the embodiment of the present application, in the existing wireless network, the scrambling base station performs personalized configuration on the time-frequency resource where the terminal transmits the SRS, and designates that the terminal does not transmit the SRS at a part of the time-frequency resource locations, and transmits the configuration to the Shi Rao station through the interaction interface between the base stations. The Shi Rao base station selects reference signals CLI-RS of different beam directions and power transmission interference measurement in the configured time-frequency resource position, the interfered base station measures the reference signals of the interfered base station, the original SRS time-frequency resource is multiplexed, and the resource cost is reduced, so that the multi-dimensional measurement and analysis of the cross link interference among the base stations are realized on the premise of not occupying new time-frequency resource, the effectiveness and the accuracy of the interference measurement are improved, and the basis is provided for the interference elimination and avoidance strategy of the cross link interference among the base stations.
According to a second aspect of the present application, another method of measuring cross-link interference is also provided.
Fig. 5 is a flowchart illustrating a method of measuring cross link interference, which may be performed by a scrambling base station, according to another exemplary embodiment, as shown in fig. 5, may include the steps of:
step 510, obtain time-frequency resource location information sent by the interfered base station, where the time-frequency resource location information and the time-frequency resource configuration information indicate the same time-frequency resource location used when the inter-base station interference measurement is performed, the time-frequency resource configuration information is sent by the interfered base station to the terminal, and the time-frequency resource configuration information is used to indicate that the terminal does not send the sounding reference signal at the time-frequency resource location.
Step 520, the multidimensional signal attribute configuration information is transmitted to the victim base station.
The multi-dimensional 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 transmission angle, and the power configuration information is used for representing signal transmission power.
And step 530, transmitting 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 multidimensional signal attribute configuration information, so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and the noise-floor RSSI after receiving the interference measurement reference signal.
According to a third aspect of the present application, there is also provided a device for measuring cross-link interference, which may be located in a victim base station.
Fig. 6 is a block diagram illustrating a measurement device for cross-link interference according to an example embodiment. As shown in fig. 6, the apparatus 600 includes:
a transmitting module 610, configured to transmit time-frequency resource configuration information to a terminal, and transmit 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 inter-base station interference measurement is performed, and the time-frequency resource configuration information is used to indicate that the terminal does not transmit a sounding reference signal at the time-frequency resource location.
An obtaining module 620, configured to obtain multidimensional signal attribute configuration information sent by the Shi Rao 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 represent a beam emission angle, and the power configuration information is used to represent signal emission power.
And a receiving module 630, configured to receive an interference measurement reference signal sent by the Shi Rao base station at the time-frequency resource location indicated by the time-frequency resource location information according to the multidimensional signal attribute configuration information.
A generating module 640, configured to generate an interference analysis report according to the interference measurement reference signal and the noise floor RSSI.
According to a fourth aspect of the present application, there is also provided another apparatus for measuring cross-link interference, which may be located in a scrambling base station.
Fig. 7 is a block diagram illustrating a measurement apparatus of cross-link interference 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 a 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 inter-base station interference measurement is performed, 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 transmitting module 720, configured to transmit 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 represent a beam transmitting angle, and the power configuration information is used to represent signal transmitting power;
and a second sending module 730, configured to send an interference measurement reference signal to the interfered 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, so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and the noise floor 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.
Those skilled in the art will appreciate that the various aspects of the present application may be implemented as a system, method, or program product. Accordingly, aspects of the present application may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
Fig. 8 shows a schematic diagram of a computer system suitable for use in implementing the communication base station of the embodiments 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 impose any limitation on the functions and the application scope of the embodiments of the present application.
As shown in fig. 8, the computer system 800 includes a central processing unit (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 (Random Access Memory, RAM) 803. In the RAM 803, various programs and data required for system operation are also stored. The CPU 801, ROM 802, and RAM 803 are connected to each other by 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, mouse, etc.; an output portion 807 including a Cathode Ray Tube (CRT), a liquid crystal display (Liquid Crystal Display, LCD), and the like, and a speaker, and the like; a storage section 808 including a hard disk or the like; and a communication section 809 including a network interface card such as a LAN (Local Area Network ) card, modem, or the like. The communication section 809 performs communication processing via a network such as the internet. The drive 810 is also connected to the I/O interface 805 as needed. 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 needed so that a computer program read out therefrom is mounted into the storage section 808 as needed.
In particular, according to embodiments of the present application, the processes described above with reference to flowcharts 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 shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section 809, and/or installed from the removable media 811. When executed by a Central Processing Unit (CPU) 801, the computer program performs the various functions defined in the system of the present application.
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. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any 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 (Erasable Programmable Read Only Memory, EPROM), 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 context of this document, 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 the present application, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. 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 flowcharts 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. Where 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 involved in the embodiments of the present application may be implemented by means of software, or may be implemented by means of hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
As an aspect, the present application also provides a computer-readable medium that may be contained in the electronic device described in the above embodiment; or may exist alone without being incorporated into the electronic device. The computer-readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to implement the methods described in the above embodiments.
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit, in accordance with embodiments of the present application. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present application may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a usb disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a touch terminal, or a network device, etc.) to perform 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 application 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 application pertains.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A method of measuring cross-link interference, the method comprising:
the method comprises the steps of 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 inter-base station interference measurement is carried out, and the time-frequency resource configuration information is used for indicating that the terminal does not send a detection reference signal at the time-frequency resource position;
acquiring multi-dimensional signal attribute configuration information sent by the Shi Rao 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 emission angle, and the power configuration information is used for representing signal emission power;
receiving an interference measurement reference signal sent by the Shi Rao base station at a time-frequency resource position indicated by the time-frequency resource position information according to the multidimensional signal attribute configuration information;
and generating an interference analysis report according to the interference measurement reference signal and the noise-floor RSSI.
2. The method of claim 1, wherein the transmitting time-frequency resource location information to the scrambling base station comprises:
and sending the time-frequency resource position information to the Shi Rao base station through an interface between the time-frequency resource position information and the scrambling base station.
3. The method of claim 2, wherein the generating an interference analysis report from the interference measurement reference signal and a background noise RSSI comprises:
extracting the interference measurement reference signal at the time-frequency resource position indicated by the time-frequency resource position information;
measuring the strength of the interference measurement reference signal and a received signal strength indication;
and generating an interference analysis report according to 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, the generating an interference analysis report from the interference measurement reference signal and a background noise RSSI, comprising:
and generating a multi-dimensional interference analysis report according to the obtained multiple interference measurement reference signals and the noise floor RSSI, wherein each interference measurement reference signal is transmitted by the Shi Rao base station according to a set of multi-dimensional signal attribute configuration information.
5. The method of claim 1, wherein after generating an interference analysis report from the interference measurement reference signal and a background noise RSSI, the method further comprises:
and generating an interference elimination strategy according to the interference analysis report.
6. A method of measuring cross-link interference, the method comprising:
acquiring time-frequency resource position information sent by a 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 inter-base station interference measurement is carried out, 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 detection reference signal at the time-frequency resource position;
transmitting multidimensional signal attribute configuration information to the disturbed 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 transmission angle, and the power configuration information is used for representing signal transmission 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 noise-floor RSSI after receiving the interference measurement reference signal.
7. A measurement device for cross-link interference, the device comprising:
the transmitting module is used for transmitting time-frequency resource configuration information to the terminal and transmitting time-frequency resource position information to the 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 inter-base station interference measurement is carried out, and the time-frequency resource configuration information is used for indicating that the terminal does not transmit a sounding reference signal at the time-frequency resource position;
the acquiring module is used for acquiring multidimensional signal attribute configuration information sent by the Shi Rao 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 emission angle, and the power configuration information is used for representing signal emission power;
a receiving module, configured to receive an interference measurement reference signal sent by the Shi Rao base station at a time-frequency resource location indicated by the time-frequency resource location information according to the multidimensional 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 noise-based RSSI.
8. A measurement device for cross-link interference, the device comprising:
the information acquisition module is used for acquiring time-frequency resource position information sent by a 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 inter-base station interference measurement is carried out, 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 detection reference signal at the time-frequency resource position;
the first sending module is used for sending multidimensional signal attribute configuration information to the disturbed 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 emission angle, and the power configuration information is used for representing signal emission power;
and the second sending module is used for 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 multidimensional signal attribute configuration information so that the interfered base station generates an interference analysis report according to the interference measurement reference signal and the noise-floor RSSI after receiving the interference measurement reference signal.
9. A computer readable medium, on which a computer program is stored, which computer program, when being executed by a processor, implements 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 implement the method of any 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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| CN117998434A (en) * | 2022-11-02 | 2024-05-07 | 北京紫光展锐通信技术有限公司 | Communication method, device, chip and storage medium |
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| CN110896550A (en) * | 2018-09-12 | 2020-03-20 | 索尼公司 | Electronic device and method for wireless communication, computer-readable storage medium |
| WO2020102971A1 (en) * | 2018-11-20 | 2020-05-28 | Qualcomm Incorporated | Cross link interference detection systems and methods |
| US10924959B2 (en) * | 2019-05-02 | 2021-02-16 | Qualcomm Incorporated | User equipment measurement for cross-link interference |
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| CN114286376B (en) * | 2021-12-20 | 2024-04-05 | 中国电信股份有限公司 | Method, device, medium and communication base station for measuring cross link interference |
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| CN109302708A (en) * | 2017-07-24 | 2019-02-01 | 中国移动通信有限公司研究院 | A kind of frame structure configuration method and base station based on cross link interference measurement |
| CN110896562A (en) * | 2018-09-12 | 2020-03-20 | 中国移动通信有限公司研究院 | Method, device and storage medium for signaling interaction between base stations |
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