CN115334550B

CN115334550B - Uplink interference detection method, device and storage medium

Info

Publication number: CN115334550B
Application number: CN202210993116.4A
Authority: CN
Inventors: 吕婷; 李福昌; 王伟
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2024-05-10
Anticipated expiration: 2042-08-18
Also published as: CN115334550A

Abstract

The application provides an uplink interference detection method, an uplink interference detection device and a storage medium, relates to the technical field of communication, and can solve the problem of low interference detection efficiency in the related technology. The method comprises the following steps: when the uplink interference value of the target cell is larger than a preset interference threshold value, acquiring an uplink interference parameter; the uplink interference value is used for representing the uplink interference degree suffered by the target cell; the uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of a cell in a preset area and the number of target terminals of the cell in the preset area; the target terminal is a terminal with the average distance between the target terminal and the target cell within the preset history time length being smaller than a preset distance threshold value; determining an interference source cell corresponding to the target cell according to the uplink interference parameter; the interference source cell is the cell where the terminal causing uplink interference to the target cell is located. The application can improve the uplink interference detection efficiency.

Description

Uplink interference detection method, device and storage medium

Technical Field

The present application relates to the field of communications technologies, and in particular, to a method and apparatus for detecting uplink interference, and a storage medium.

Background

In order to improve the utilization efficiency of communication resources, a communication network generally adopts a frequency multiplexing networking mode, that is, adjacent cells use the same frequency spectrum resources. However, there may be a problem of mutual interference between different cells, for example, an uplink signal transmitted by a terminal in a cell is received by a neighboring cell, which causes the neighboring cell to generate uplink interference, thereby affecting data transmission of the terminal in the cell.

The related art generally detects interference in a mobile communication network by means of manual field measurement, however, the scheme requires that related personnel carry professional measuring instruments to reach the field measurement of the area to be detected, so that the interference detection efficiency is low.

Disclosure of Invention

In order to solve the problem of low interference detection efficiency in the related art, the application provides an uplink interference detection method, an uplink interference detection device and a storage medium, which can improve the detection efficiency of uplink interference detection.

In order to achieve the above purpose, the application adopts the following technical scheme:

In a first aspect, the present application provides an uplink interference detection method, where the method includes: when the uplink interference value of the target cell is larger than a preset interference threshold value, acquiring an uplink interference parameter; the uplink interference value is used for representing the uplink interference degree suffered by the target cell; the uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of a cell in a preset area and the number of target terminals of the cell in the preset area; the target terminal is a terminal with the average distance between the target terminal and the target cell within the preset history time length being smaller than a preset distance threshold value; determining an interference source cell corresponding to the target cell according to the uplink interference parameter; the interference source cell is the cell where the terminal causing uplink interference to the target cell is located.

Based on the technical scheme, the uplink interference detection device acquires the uplink interference parameter related to the uplink interference suffered by the target cell under the condition that the uplink interference value of the target cell is larger than the preset interference threshold value, so as to determine the interference source cell corresponding to the target cell according to the uplink interference parameter. The uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of the cell in the preset area and the number of target terminals of the cell in the preset area. Compared with the scheme that related personnel carry professional measuring instruments to reach the area to be detected for field measurement in the related art, the method and the device can improve the detection efficiency of uplink interference detection on the cells in the preset area.

With reference to the first aspect, in one possible implementation manner, the uplink interference parameter is interference measurement signal strength; the method comprises the following steps: determining candidate interference source cells meeting a first preset condition in a preset area; the first preset condition includes: the number of times that a terminal in a candidate interference source cell cuts into a target cell in a preset period is larger than a first preset switching frequency threshold value; transmitting an interference measurement resource indication message to each candidate interference source cell so that a terminal in the candidate interference source cell transmits an interference measurement signal through a time-frequency resource corresponding to the candidate interference source cell; and acquiring the interference measurement signal strength corresponding to the candidate interference source cell.

With reference to the first aspect, in one possible implementation manner, the method includes: determining the interference source cell as a candidate interference source cell corresponding to the time-frequency resource meeting the second preset condition; the second preset condition includes: the average value of the interference measurement signal intensities measured on the time-frequency resource is larger than a preset signal intensity threshold value.

With reference to the first aspect, in one possible implementation manner, the interference measurement resource indication message is used to indicate that a terminal in the candidate interference source cell sends an interference measurement signal according to a preset power through a time-frequency resource corresponding to the candidate interference source cell; the time-frequency resource corresponds to the cell identification of the candidate interference source cell one by one; the time-frequency resource is a time-frequency resource in one or more Physical Resource Blocks (PRBs) at a preset frequency domain position in a preset time period; the positions of the time-frequency resources corresponding to different candidate interference source cells in the time domain and the frequency domain are not overlapped.

With reference to the first aspect, in one possible implementation manner, the uplink interference parameter is the number of edge terminals of a cell in a preset area; the method comprises the following steps: acquiring an uplink interference value of a target cell in each unit time period in a preset historical time period; for each first cell, acquiring the number of edge terminals in the first cell in each unit time period in a preset history time; the first cell is any cell in a preset area.

With reference to the first aspect, in one possible implementation manner, the method further includes: respectively sending a first parameter request message to each first cell; the first parameter request message is used for acquiring the number of the edge terminals in the first cell in each unit time period in the preset history time period; receiving a first parameter response message sent by a first cell; the first parameter response message includes the number of edge terminals in the first cell per unit time period in the preset history period.

With reference to the first aspect, in one possible implementation manner, the method further includes: for each first cell, calculating a correlation coefficient of an uplink interference value of a target cell in each unit time period in a preset history time period and the number of edge terminals in the first cell; the association coefficient is used for representing the association degree of the uplink interference value of the target cell and the number of the edge terminals in the first cell; determining an interference source cell as a first cell corresponding to the association coefficient meeting a third preset condition; the third preset condition includes: the association coefficient is greater than a preset association threshold.

With reference to the first aspect, in one possible implementation manner, the edge terminal is a terminal in the first cell that meets a preset edge condition; the preset edge condition comprises: the ratio of the average distance between the terminal and the first cell in the unit time period to the maximum coverage distance of the first cell is greater than the preset distance ratio, and/or the average value of the downlink signal intensity measured by the terminal in the unit time period is smaller than the preset downlink signal intensity threshold.

With reference to the first aspect, in one possible implementation manner, the uplink interference parameter is the number of target terminals of the cell in the preset area; the method further comprises the steps of: for each first cell, acquiring the number of target terminals in the first cell within a preset history time; the first cell is any cell in a preset area; the average distance between the target terminal and the target cell in the preset history time is smaller than a preset distance threshold.

With reference to the first aspect, in one possible implementation manner, the method further includes: sending a second parameter request message to the first cell; the second parameter request message is used for acquiring the number of target terminals in the first cell within a preset history time; receiving a second parameter response message sent by the first cell; the second parameter response message includes the number of target terminals in the first cell within a preset history period and the identification of the first cell.

With reference to the first aspect, in one possible implementation manner, the method further includes: determining an interference source cell as a first cell meeting a fourth preset condition; the fourth preset condition includes: the ratio of the number of target terminals to the total number of terminals in the first cell is greater than a preset number ratio, and the number of times the terminals in the first cell cut into the target cell within a preset history period is greater than a second preset switching frequency threshold.

In a second aspect, the present application provides an uplink interference detection apparatus, including: a processing unit and a communication unit; the communication unit is used for acquiring uplink interference parameters when the uplink interference value of the target cell is greater than a preset interference threshold value; the uplink interference value is used for representing the uplink interference degree suffered by the target cell; the uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of a cell in a preset area and the number of target terminals of the cell in the preset area; the target terminal is a terminal with the average distance between the target terminal and the target cell within the preset history time length being smaller than a preset distance threshold value; the processing unit is also used for determining an interference source cell corresponding to the target cell according to the uplink interference parameter; the interference source cell is the cell where the terminal causing uplink interference to the target cell is located.

With reference to the second aspect, in one possible implementation manner, the uplink interference parameter is interference measurement signal strength; the processing unit is used for determining candidate interference source cells meeting a first preset condition in a preset area; the first preset condition includes: the number of times that a terminal in a candidate interference source cell cuts into a target cell in a preset period is larger than a first preset switching frequency threshold value; the communication unit is used for sending an interference measurement resource indication message to each candidate interference source cell so that the terminal in the candidate interference source cell sends an interference measurement signal through the time-frequency resource corresponding to the candidate interference source cell; and the communication unit is also used for acquiring the interference measurement signal strength corresponding to the candidate interference source cell.

With reference to the second aspect, in one possible implementation manner, the processing unit is configured to: determining the interference source cell as a candidate interference source cell corresponding to the time-frequency resource meeting the second preset condition; the second preset condition includes: the average value of the interference measurement signal intensities measured on the time-frequency resource is larger than a preset signal intensity threshold value.

With reference to the second aspect, in one possible implementation manner, the interference measurement resource indication message is used to instruct a terminal in the candidate interference source cell to send an interference measurement signal according to a preset power through a time-frequency resource corresponding to the candidate interference source cell; the time-frequency resource corresponds to the cell identification of the candidate interference source cell one by one; the time-frequency resource is a time-frequency resource in one or more Physical Resource Blocks (PRBs) at a preset frequency domain position in a preset time period; the positions of the time-frequency resources corresponding to different candidate interference source cells in the time domain and the frequency domain are not overlapped.

With reference to the second aspect, in one possible implementation manner, the uplink interference parameter is interference measurement signal strength; the communication unit is used for acquiring the uplink interference value of the target cell in each unit time period in the preset historical time length; the communication unit is used for acquiring the number of the edge terminals in each first cell in each unit time period in the preset history time length aiming at each first cell; the first cell is any cell in a preset area.

With reference to the second aspect, in one possible implementation manner, the communication unit is configured to: respectively sending a first parameter request message to each first cell; the first parameter request message is used for acquiring the number of the edge terminals in the first cell in each unit time period in the preset history time period; receiving a first parameter response message sent by a first cell; the first parameter response message includes the number of edge terminals in the first cell per unit time period in the preset history period.

With reference to the second aspect, in one possible implementation manner, the processing unit is configured to: for each first cell, calculating a correlation coefficient of an uplink interference value of a target cell in each unit time period in a preset history time period and the number of edge terminals in the first cell; the association coefficient is used for representing the association degree of the uplink interference value of the target cell and the number of the edge terminals in the first cell; determining an interference source cell as a first cell corresponding to the association coefficient meeting a third preset condition; the third preset condition includes: the association coefficient is greater than a preset association threshold.

With reference to the second aspect, in one possible implementation manner, the edge terminal is a terminal in the first cell that meets a preset edge condition; the preset edge condition comprises: the ratio of the average distance between the terminal and the first cell in the unit time period to the maximum coverage distance of the first cell is greater than the preset distance ratio, and/or the average value of the downlink signal intensity measured by the terminal in the unit time period is smaller than the preset downlink signal intensity threshold.

With reference to the second aspect, in one possible implementation manner, the communication unit is configured to obtain, for each first cell, a number of target terminals in the first cell within a preset history period; the first cell is any cell in a preset area; the average distance between the target terminal and the target cell in the preset history time is smaller than a preset distance threshold.

With reference to the second aspect, in one possible implementation manner, the communication unit is configured to: sending a second parameter request message to the first cell; the second parameter request message is used for acquiring the number of target terminals in the first cell within a preset history time; receiving a second parameter response message sent by the first cell; the second parameter response message includes the number of target terminals in the first cell within a preset history period and the identification of the first cell.

With reference to the second aspect, in a possible implementation manner, the processing unit is configured to determine an interference source cell as a first cell that meets a fourth preset condition; the fourth preset condition includes: the ratio of the number of target terminals to the total number of terminals in the first cell is greater than a preset number ratio, and the number of times the terminals in the first cell cut into the target cell within a preset history period is greater than a second preset switching frequency threshold.

In a third aspect, the present application provides an uplink interference detection apparatus, including: a processor and a communication interface; the communication interface is coupled to a processor for running a computer program or instructions to implement the uplink interference detection method as described in any one of the possible implementations of the first aspect and the first aspect.

In a fourth aspect, the present application provides a computer readable storage medium having instructions stored therein which, when run on a terminal, cause the terminal to perform an uplink interference detection method as described in any one of the possible implementations of the first aspect and the first aspect.

In a fifth aspect, the present application provides a computer program product comprising instructions which, when run on an uplink interference detection device, cause the uplink interference detection device to perform the uplink interference detection method as described in any one of the possible implementations of the first aspect and the first aspect.

In a sixth aspect, the present application provides a chip comprising a processor and a communication interface, the communication interface and the processor being coupled, the processor being for running a computer program or instructions to implement the uplink interference detection method as described in any one of the possible implementations of the first aspect and the first aspect.

In particular, the chip provided in the present application further includes a memory for storing a computer program or instructions.

It should be noted that the above-mentioned computer instructions may be stored in whole or in part on a computer-readable storage medium. The computer readable storage medium may be packaged together with the processor of the apparatus or may be packaged separately from the processor of the apparatus, which is not limited in this respect.

In a seventh aspect, the present application provides an uplink interference detection system, including: an uplink interference detection device and at least one access network device, wherein the uplink interference detection device is configured to perform the uplink interference detection method as described in any one of the possible implementations of the first aspect and the first aspect.

The description of the second to seventh aspects of the present application may refer to the detailed description of the first aspect; also, the advantageous effects described in the second aspect to the seventh aspect may refer to the advantageous effect analysis of the first aspect, and are not described herein.

In the present application, the names of the above uplink interference detection devices do not limit the devices or functional modules themselves, and in actual implementation, these devices or functional modules may appear under other names. Insofar as the function of each device or function module is similar to that of the present application, it falls within the scope of the claims of the present application and the equivalents thereof.

These and other aspects of the application will be more readily apparent from the following description.

Drawings

Fig. 1 is a schematic diagram of an uplink interference detection system according to an embodiment of the present application;

Fig. 2 is a flowchart of an uplink interference detection method according to an embodiment of the present application;

fig. 3 is a flowchart of another uplink interference detection method according to an embodiment of the present application;

fig. 4 is a distribution diagram of a time-frequency resource according to an embodiment of the present application;

fig. 5 is a flowchart of another uplink interference detection method according to an embodiment of the present application;

fig. 6 is a flowchart of another uplink interference detection method according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of an uplink interference detection device according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of another uplink interference detection device according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone.

The terms "first" and "second" and the like in the description and in the drawings are used for distinguishing between different objects or between different processes of the same object and not for describing a particular order of objects.

Furthermore, references to the terms "comprising" and "having" and any variations thereof in the description of the present application are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.

It should be noted that, in the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the description of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more.

The related art generally detects interference in a mobile communication network by means of manual field measurement, however, the scheme requires that related personnel carry professional measuring instruments to reach the field measurement of the area to be detected, so that the interference detection efficiency is low. In view of this, the present application provides an uplink interference detection method, where an uplink interference detection device obtains an uplink interference parameter related to uplink interference suffered by a target cell when an uplink interference value of the target cell is greater than a preset interference threshold, so as to determine an interference source cell corresponding to the target cell according to the uplink interference parameter. The uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of the cell in the preset area and the number of target terminals of the cell in the preset area. Compared with the scheme that related personnel carry professional measuring instruments to reach the area to be detected for field measurement in the related art, the method and the device can improve the detection efficiency of uplink interference detection on the cells in the preset area.

The following describes embodiments of the present application in detail with reference to the drawings.

Fig. 1 is a block diagram of an uplink interference detection system 10 according to an embodiment of the present application. As shown in fig. 1, the uplink interference detection system 10 includes: the uplink interference detection device 101, at least one access network device 102 in a preset area, and at least one terminal 103.

The uplink interference detection device 101 is connected to at least one access network device 102 through a communication link, and the at least one access network device 102 is connected to a terminal 103 in a configured cell (cell) through a communication link. The communication link may be a wired communication link or a wireless communication link, which is not limited in this regard by the present application.

It should be noted that each access network device 102 is configured with one or more cells 104. Terminals 103 in the cell 104 perform network communication by accessing access network devices 102 corresponding to the cell 104.

Since the access network device 102 may configure one or more cells 104, in order to distinguish between different cells in a preset area, in the present application, communications between the access network device 102 and other devices (e.g. the uplink interference detection device 101, the terminal 103) where the cell 104 (e.g. a target cell, an interference source cell, etc. referred to in the following description) in the preset area is located are expressed as communications between the cell 104 and the other devices.

The uplink interference detection device 101 may be an independent communication device, such as a server. The uplink interference detection means 101 may also be a functional module in a maintenance platform for a core network device or a communication device coupled to the access network device 102, the communication system.

For example, the uplink interference detection device 101 includes:

The processor may be a general purpose central processing unit (central processing unit, CPU), microprocessor, application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the programs of the present application.

The transceiver may be a device using any type of transceiver for communicating with other devices or communication networks, such as ethernet, radio access network (radio access network, RAN), wireless local area network (wireless local area networks, WLAN), etc.

Memory, which may be, but is not limited to, read-only memory (ROM) or other type of static storage device that may store static information and instructions, random access memory (random access memory, RAM) or other type of dynamic storage device that may store information and instructions, but may also be electrically erasable programmable read-only memory (ELECTRICALLY ERASABLE PROGRAMMABLE READ-only memory, EEPROM), compact disc read-only memory (compact disc read-only memory) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory may be stand alone and be coupled to the processor via a communication line. The memory may also be integrated with the processor.

The access network device 102 is a device located at the access network side of the communication system and having a wireless transceiving function or a chip system that can be provided in the device. Access network devices 102 include, but are not limited to: an Access Point (AP) in a WiFi system, such as a home gateway, a router, a server, a switch, a bridge, etc., an evolved NodeB (eNB), a radio network controller (radio network controller, RNC), a NodeB (NB), a base station controller (base station controller, BSC), a base transceiver station (base transceiver station, BTS), a home base station (e.g., home evolved NodeB, or home NodeB, HNB), a Base Band Unit (BBU), a radio relay node, a radio backhaul node, a transmission point (transmission and reception point, TRP, transmission point, TP), etc., may also be a 5G base station, such as a gNB in a new air interface (new radio, NR) system, or a transmission point (TRP, TP), an antenna panel or a group of base stations in a 5G system (including multiple antenna panels), or may also be a network node constituting a gNB or transmission point, such as a distributed unit, an access network unit (RSU), a base band unit (base station 4), a RSU, a rsside unit (RSU), etc. The access network device 102 also includes base stations in different networking modes, such as a master enhanced NodeB (MeNB), a secondary eNB (SeNB), or a secondary gNB (SgNB). The access network equipment 102 also includes different types, such as ground base stations, air base stations, satellite base stations, and the like.

Terminal 103, a device with wireless communication capabilities, may be deployed on land, including indoors or outdoors, hand held or vehicle mounted. Can also be deployed on the water surface (such as a ship, etc.). But may also be deployed in the air (e.g., on aircraft, balloon, satellite, etc.). The terminal 103, also called Mobile Station (MS), mobile Terminal (MT), terminal equipment, etc., is a device that provides voice and/or data connectivity to a user. For example, the terminal 103 includes a handheld device, an in-vehicle device, and the like having a wireless connection function. Currently, the terminal 103 may be: a mobile phone), a tablet, a laptop, a palmtop, a mobile internet device (mobile INTERNET DEVICE, MID), a wearable device (e.g., a smart watch, a smart bracelet, a pedometer, etc.), a vehicle-mounted device (e.g., an automobile, a bicycle, an electric car, an airplane, a ship, a train, a high-speed rail, etc.), a Virtual Reality (VR) device, an augmented reality (augmented reality, AR) device, a wireless terminal in an industrial control (industrial control), a smart home device (e.g., a refrigerator, a television, an air conditioner, an electric meter, etc.), a smart robot, a workshop device, a wireless terminal in an unmanned (SELF DRIVING), a wireless terminal in a teleoperation (remote medical surgery), a wireless terminal in a smart grid (SMART GRID), a wireless terminal in a transportation security (transportation safety), a wireless terminal in a smart city (SMART CITY), or a wireless terminal in a smart home (smart home), a flying device (e.g., a smart robot, a hot balloon, an unmanned aerial vehicle, etc.

The uplink interference detection device 101 is configured to obtain uplink interference values of each cell 104 in a preset area.

Wherein the uplink interference value is used to characterize the uplink interference level suffered by the cell 104. The greater the uplink interference value, the higher the uplink interference level experienced by the cell 104. Conversely, the smaller the uplink interference value, the lower the uplink interference level experienced by the cell 104.

Illustratively, the uplink interference value may be a ratio of a sum of uplink interference and noise signal strengths to uplink useful signal strength, i.e., an inverse of an uplink signal-to-interference-and-noise ratio (signal to interference plus noise ratio, SINR).

The uplink interference detection device 101 is further configured to obtain an uplink interference parameter when the uplink interference value of the target cell is greater than a preset interference threshold.

The target cell is any cell 104 in a preset area. The uplink interference parameter includes at least one of an interference measurement signal strength, a number of edge terminals of the cell 104 within a preset area, and a number of target terminals of the cell 104 within the preset area. The target terminal is a terminal with an average distance between the target terminal and the target cell within a preset history time length smaller than a preset distance threshold value.

Illustratively, when the uplink interference detection apparatus 101 is disposed in the access network device where the target cell is located, the uplink interference detection apparatus 101 may acquire the uplink interference value of the target cell through the intra-device link.

When the uplink interference detection device 101 and the access network device where the target cell is located are different electronic devices, the uplink interference detection device 101 may send a parameter request message to the access network device where the target cell is located, so that the access network device where the target cell is located sends the uplink interference value of the target cell to the uplink interference detection device 101.

The uplink interference detection device 101 is further configured to determine an interference source cell corresponding to the target cell according to the uplink interference parameter.

The interference source cell is a cell where a terminal causing uplink interference to the target cell is located.

It should be noted that, the embodiments of the present application may refer to or refer to each other, for example, the same or similar steps, and the method embodiment, the system embodiment and the device embodiment may refer to each other, which is not limited.

Fig. 2 is a flowchart of an uplink interference detection method according to an embodiment of the present application. As shown in fig. 2, the method comprises the steps of:

Step 201, when the uplink interference value of the target cell is greater than a preset interference threshold, the uplink interference detection device acquires an uplink interference parameter.

The target cell is any cell in a preset area, and the uplink interference value is used for representing the uplink interference degree suffered by the target cell. The uplink interference parameter includes at least one of interference measurement signal strength, the number of edge terminals of the cell in the preset area, and the number of target terminals of the cell in the preset area. The target terminal is a terminal with an average distance between the target terminal and the target cell within a preset history time length smaller than a preset distance threshold value. The preset interference threshold may be set according to practical situations, which is not limited in the present application.

The larger the uplink interference value, the higher the uplink interference level to which the cell is subjected. Conversely, the smaller the uplink interference value, the lower the uplink interference level to which the cell is subjected.

In a possible implementation manner, the uplink interference detection device may acquire SINR of a plurality of uplink signals transmitted by each terminal in the target cell in a preset period.

For each terminal, the uplink interference detection device takes an average value of SINR of a plurality of uplink signals transmitted by the terminal as an uplink SINR corresponding to the terminal.

The uplink interference detection device determines an uplink interference value of the target cell according to the uplink SINR corresponding to each terminal.

The uplink interference value of the target cell is illustratively the inverse of the arithmetic mean of the uplink SINR corresponding to each terminal in the target cell.

In this way, the uplink interference detection device may determine the uplink interference value of the target cell based on the uplink SINR of each terminal in the target cell, where the uplink interference value may represent the overall interference situation of the terminal in the target cell for uplink transmission. When the uplink interference value of the target cell is larger than the preset interference threshold, the uplink interference detection device can execute subsequent uplink interference detection operation, and automatic identification of the cell which is subjected to uplink interference in the preset area is realized.

For example, when the uplink interference detection device is set in the access network device where the target cell is located, the uplink interference detection device may acquire the uplink interference value of the target cell through the intra-device link.

When the uplink interference detection device and the access network device where the target cell is located are different electronic devices, the uplink interference detection device can send a parameter request message to the access network device where the target cell is located, so that the access network device where the target cell is located sends an uplink interference value of the target cell to the uplink interference detection device.

Step 202, the uplink interference detection device determines an interference source cell corresponding to the target cell according to the uplink interference parameter.

In a possible implementation manner, when the uplink interference parameter is the interference measurement signal strength, the uplink interference detection device may determine an interference source cell corresponding to the target cell according to the interference measurement signal strength.

The interference measurement signals are transmitted by the terminal devices in the cells in the preset area according to the same preset power based on the corresponding time-frequency resources. Therefore, the greater the interference measurement signal strength, the smaller the signal propagation loss between the terminal in the cell and the target cell, the closer the transmission distance, and the stronger the uplink interference of the terminal in the cell to the target cell. In this way, the uplink interference detection device may determine the interference source cell corresponding to the target cell according to the interference measurement signal strength.

In another possible implementation manner, when the uplink interference parameter is the number of edge terminals of the cells in the preset area, the uplink interference detection device may determine an interference source cell corresponding to the target cell according to the number of edge terminals of the cells in the preset area.

It should be noted that, the edge terminal of the cell in the preset area may cause uplink interference to the target cell, for example, a terminal in a coverage area where the cell in the preset area overlaps with the target cell. Therefore, the uplink interference detection device in the application can determine the interference source cell by detecting the association condition of the number of the edge terminals of the cell in the preset area and the uplink interference suffered by the target cell.

In another possible implementation manner, when the uplink interference parameter is the number of target terminals of the cells in the preset area, the uplink interference detection device may determine an interference source cell corresponding to the target cell according to the number of target terminals of the cells in the preset area.

It should be noted that, since the target terminal is a terminal whose average distance between the target terminal and the target cell is smaller than the preset distance threshold value in the preset history period, the more the number of target terminals is, the more terminals exist in the cells in the preset area and are located in the coverage edge area of the target cell, and the greater the uplink interference caused to the target cell is. Therefore, the uplink interference detection device can determine the interference source cell corresponding to the target cell according to the number of target terminals of the cells in the preset area.

The uplink interference detection device can determine the interference source cell corresponding to the target cell in various modes.

Hereinafter, a procedure of determining an interference source cell by the uplink interference detection device will be described.

As a possible embodiment of the present application, when the uplink interference parameter is the interference measurement signal strength, as shown in fig. 3 in conjunction with fig. 2, the above step 201 may also be implemented by the following steps 301 to 303.

Step 301, the uplink interference detection device determines candidate interference source cells meeting a first preset condition in a preset area.

The first preset condition comprises: the number of times that the terminal in the candidate interference source cell cuts into the target cell in the preset period is larger than a first preset switching frequency threshold value. The first preset switching frequency threshold may be set according to practical situations, which is not limited in the present application.

The uplink interference detection device may obtain a cell in which each terminal cut into the target cell is located before the terminal cuts into the target cell in a preset period, so as to determine the number of times that the terminal cuts into the target cell in each cell in the preset area, and use a cell in which the number of times that the terminal cuts into the target cell is greater than a first preset switching frequency threshold as a candidate interference source cell.

It is easy to understand that the more times a terminal in a cell within a preset area cuts into a target cell, the more the number of terminals within the overlapping coverage area between the cell and the target cell. Therefore, the more terminals in the cell that cause uplink interference to the target cell. According to the method, the candidate interference source cell is determined in the mode, so that the interference source cell can be determined from the candidate interference source cell conveniently, and the detection effect of uplink interference detection is improved.

Step 302, the uplink interference detection device sends an interference measurement resource indication message to each candidate interference source cell, so that the terminal in the candidate interference source cell sends an interference measurement signal through the time-frequency resource corresponding to the candidate interference source cell.

The interference measurement resource indication message is used for indicating the terminal in the candidate interference source cell to send an interference measurement signal according to preset power through the time-frequency resource corresponding to the candidate interference source cell. The time-frequency resource corresponds to the cell identification of the candidate interference source cell one by one. The positions of the time-frequency resources corresponding to different candidate interference source cells in the time domain and the frequency domain are not overlapped.

In a possible implementation manner, the uplink interference detection device may determine the correspondence between the cell identifier of each candidate interference source cell and the time-frequency resource, so that the positions of the time-frequency resources corresponding to different candidate interference source cells in the time domain and the frequency domain are not overlapped.

The time-frequency resource may be a time-frequency resource in one or more physical resource blocks (physical resource block, PRBs) at a preset frequency domain location within a preset time period.

In order to avoid collision with the time-frequency resource occupied by the signal on the existing common channel, the time-frequency resource corresponding to the candidate interference source cell determined in the present application may be the time-frequency resource on the Physical Uplink Shared Channel (PUSCH) SHARED CHANNEL.

For example, the cell bandwidth includes 100 PRBs, and the uplink interference detection device instructs the terminal to transmit the interference measurement signal according to the preset power on the time-frequency resources in the 10 th PRB and the 11 th PRB.

Fig. 4 is an exemplary distribution diagram of a time-frequency resource according to an embodiment of the present application. Taking a fifth generation mobile communication technology (5th generation mobile communication technology,5G) cell as an example, as shown in fig. 4, one uplink PRB includes 14 symbols in the time domain and 12 subcarriers in the frequency domain, and the preset area includes cell 1, cell 2 and cell 3. The cell of cell 1 is identified as cellID, the cell of cell 2 is identified as cellID, and the cell of cell 3 is identified as cellID3. In fig. 4, a hatched area 401 is a time-frequency resource group0, a hatched area 402 is a time-frequency resource group1, and a hatched area 403 is a time-frequency resource group2.

The uplink interference detection device may determine that the cell identifier cellID corresponds to the time-frequency resource group0, that the cell identifier cellID2 corresponds to the time-frequency resource group1, and that the cell identifier cellID3 corresponds to the time-frequency resource group 2.

In this case, the terminal in cell 1 transmits an interference measurement signal through the time-frequency resource group0, the terminal in cell 2 transmits an interference measurement signal through the time-frequency resource group1, and the terminal in cell 3 transmits an interference measurement signal through the time-frequency resource group 2.

Step 303, the uplink interference detection device acquires the interference measurement signal strength corresponding to the candidate interference source cell.

After the above step 302, the uplink interference detection device may acquire the interference measurement signals transmitted by the terminals in each candidate interference cell, so as to determine the interference measurement signal strength according to the received power of the interference measurement signals.

It should be noted that, the number of interference measurement signals corresponding to each candidate interference cell may be one or more.

As a possible embodiment of the present application, in conjunction with fig. 2, as shown in fig. 3, the above step 202 may also be implemented by the following step 304.

Step 304, the uplink interference detection device determines that the interference source cell is a candidate interference source cell corresponding to the time-frequency resource meeting the second preset condition.

Wherein the second preset condition includes: the average value of the interference measurement signal intensities measured on the time-frequency resource is larger than a preset signal intensity threshold value. The preset signal strength threshold may be set according to practical situations, which is not limited in the present application.

In a possible implementation manner, the uplink interference detection device measures an average value of interference measurement signal intensities on time-frequency resources corresponding to each candidate interference source cell in a preset time period, and takes the candidate interference source cell corresponding to the time-frequency resources, where the average value of the interference measurement signal intensities is greater than a preset signal intensity threshold, as the interference source cell corresponding to the target cell.

Based on the technical scheme, the uplink interference detection device in the application takes the cell with the accessed terminal frequently cut into the target cell as the candidate interference source cell, on the basis, the uplink interference detection device indicates the terminals in each candidate interference source cell to transmit interference measurement signals according to the same preset power on the corresponding time-frequency resources, and the interference source cell is determined according to the average value of the received interference measurement signal intensity on each time-frequency resource.

Since the more times terminals in a cell within a preset area cut into a target cell, the more the number of terminals in the overlapping coverage area between the cell and the target cell is. Therefore, the uplink interference detection device can primarily screen out candidate interference source cells possibly related to uplink interference suffered by the target cell based on the frequency of the terminal cutting into the target base station, and further determine the interference source cells according to the interference measurement signal strength of the terminal in the candidate interference source cells. The larger the interference measurement signal strength is, the smaller the signal propagation loss between the terminal in the candidate interference source cell and the target cell is, the closer the transmission distance is, and the stronger the uplink interference of the terminal in the candidate interference source cell to the target cell is caused.

In this way, the uplink interference detection device in the application can more accurately identify the interference source cell related to the uplink interference suffered by the target cell based on the number of times the terminal is cut into the target cell and the measured interference measurement signal strength of the terminal.

As a further possible embodiment of the present application, in conjunction with fig. 2, when the uplink interference parameter is the number of edge terminals of the cell in the preset area, as shown in fig. 5, the above step 201 may be further implemented by the following steps 501 to 502.

Step 501, the uplink interference detection device acquires an uplink interference value of a target cell in each unit time period in a preset history time.

The preset history time length can be set according to practical situations, and the application is not limited to the setting.

In one possible implementation manner, the uplink interference detection device may determine the uplink interference value according to SINR of a plurality of uplink signals transmitted by each terminal in the target cell in each unit time period in the preset history duration. The related implementation may refer to the description in step 201, and will not be described here again.

For example, when the uplink interference detection device is set in the access network device where the target cell is located, the uplink interference detection device may acquire, through the intra-device link, the uplink interference value of the target cell in each unit time period in the preset history duration.

When the uplink interference detection device and the access network device where the target cell is located are different electronic devices, the uplink interference detection device can send a parameter request message to the access network device where the target cell is located, so that the access network device where the target cell is located sends the uplink interference value of the target cell in each unit time period in the preset history time period to the uplink interference detection device.

Step 502, for each first cell, the uplink interference detection device obtains the number of edge terminals in the first cell in each unit time period in a preset history duration.

The first cell is any cell in a preset area. The edge terminal is a terminal meeting preset edge conditions in the first cell.

For example, the preset edge conditions include: the ratio of the average distance between the terminal and the first cell in the unit time period to the maximum coverage distance of the first cell is greater than the preset distance ratio, and/or the average value of the downlink signal intensity measured by the terminal in the unit time period is smaller than the preset downlink signal intensity threshold.

It should be noted that, the first cell may also be a cell adjacent to the target cell in the preset area, and the adjacent cell corresponding to each cell may be set in the cell information of the cell in a static configuration manner.

In a possible implementation manner, the uplink interference detection device sends a first parameter request message to each first cell, and the corresponding first cell receives the first parameter request message sent by the uplink interference detection device.

The first cell responds to the first parameter request message and sends a first parameter response message to the uplink interference detection device. Correspondingly, the uplink interference detection device receives a first parameter response message sent by the first cell.

The first parameter request message is used for obtaining the number of the edge terminals in the first cell in each unit time period in the preset history time period, and the first parameter response message comprises the number of the edge terminals in the first cell in each unit time period in the preset history time period.

For example, the first cell may determine the edge terminal in the first cell according to the location information of the terminal or the downlink interference strength measured by the terminal.

For example, the first cell may obtain location information of the accessed terminal in each unit time period in a preset history period.

The location information may be determined by global positioning system (global positioning system, GPS) location or base station location technology.

The first cell determines an average value of the distances between the terminal and the first cell according to the position information of the terminal.

And under the condition that the ratio of the average value of the distances between the terminal and the first cell to the maximum coverage distance of the first cell is larger than the preset distance ratio, the first cell determines that the terminal is an edge terminal.

For another example, the first cell acquires measurement report information of the terminal. The measurement report information includes the downlink signal strength of the first cell measured by the terminal.

And under the condition that the average value of the downlink signal intensity measured by the terminal in the unit time period is smaller than a preset downlink signal intensity threshold value, the first cell determines that the terminal is an edge terminal.

As a possible embodiment of the present application, in connection with fig. 2, as shown in fig. 5, the above step 202 may also be implemented by the following steps 503 to 504.

Step 503, for each first cell, the uplink interference detection device calculates a correlation coefficient between an uplink interference value of the target cell and the number of edge terminals in the first cell within each unit time period in a preset history duration.

The association coefficient is used for representing the association degree of the uplink interference value of the target cell and the number of the edge terminals in the first cell.

Illustratively, the association coefficient may have a value interval of [ -1,1]. When the correlation coefficient is greater than 0, it indicates that the uplink interference value and the number of edge terminals in the first cell have a positive correlation. When the correlation coefficient is smaller than 0, it indicates that the uplink interference value and the number of edge terminals in the first cell have a negative correlation. When the association coefficient is equal to 0, it indicates that the uplink interference value and the number of edge terminals in the first cell do not have an association relationship. The closer the absolute value of the correlation coefficient is to 0, the weaker the correlation between the uplink interference value and the number of edge terminals in the first cell.

In a possible implementation manner, the uplink interference detection device may calculate, through a preset algorithm, a correlation coefficient between an uplink interference value of the target cell and the number of edge terminals in the first cell in each unit time period in a preset history duration. The preset algorithm may be a correlation detection algorithm, such as Pearson algorithm, spearman algorithm, kendall algorithm, etc.

Step 504, the uplink interference detection device determines that the interference source cell is a first cell corresponding to the association coefficient satisfying the third preset condition.

Wherein the third preset condition includes: the association coefficient is greater than a preset association threshold.

The preset association threshold may be a value greater than 0 and less than or equal to 1 according to the actual situation, in combination with the example in step 503.

Based on the technical scheme, the uplink interference detection device can acquire the uplink interference value of the target cell and the number of the edge terminals in the first cell in each unit time period in the preset history time period, and calculate the association coefficient of the uplink interference value and the number of the edge terminals in the first cell. The association coefficient is used for representing the association degree of the uplink interference value and the number of the edge terminals in the first cell. When the association coefficient is larger than a preset association threshold value, the uplink interference value and the number of the edge terminals in the first cell are indicated to have a certain positive correlation relation. I.e. the greater the number of edge terminals in the first cell, the greater the uplink interference of the target cell. In this way, the uplink interference detection device may use the first cell as an interference source cell related to uplink interference suffered by the target cell.

As a further possible embodiment of the present application, in conjunction with fig. 2, when the uplink interference parameter is the number of target terminals of the cell in the preset area, as shown in fig. 6, the above step 201 may be further implemented by the following step 601.

Step 601, for each first cell, the uplink interference detection device acquires the number of target terminals in the first cell within a preset history duration.

The first cell is any cell in a preset area, and the average distance between the target terminal and the target cell in the preset history duration is smaller than a preset distance threshold.

In a possible implementation manner, the uplink interference detection device sends a second parameter request message to the first cell. Correspondingly, the first cell receives a second parameter request message sent by the uplink interference detection device.

The first cell responds to the second parameter request message and sends a second parameter response message to the uplink interference detection device. Correspondingly, the uplink interference detection device receives a second parameter response message sent by the first cell.

The second parameter request message is used for acquiring the number of target terminals in the first cell within a preset history time. The second parameter response message includes the number of target terminals in the first cell within a preset history period and the identification of the first cell.

For example, the first cell may determine the target terminal in the first cell according to the location information of the terminal.

For example, the first cell may obtain location information of the accessed terminal within a preset history period.

The first cell determines an average distance between the terminal and the target cell according to the position information of the terminal.

And under the condition that the average distance between the terminal and the target cell is smaller than a preset distance threshold value, the first cell determines the terminal as the target terminal.

As a possible embodiment of the present application, in conjunction with fig. 2, as shown in fig. 6, the above step 202 may also be implemented by the following step 602.

Step 602, the uplink interference detection device determines that the interference source cell is a first cell satisfying a fourth preset condition.

Wherein the fourth preset condition includes: the ratio of the number of target terminals to the total number of terminals in the first cell is greater than a preset number ratio, and the number of times the terminals in the first cell cut into the target cell within a preset history period is greater than a second preset switching frequency threshold. The second preset switching frequency threshold may be set according to practical situations, which is not limited in the present application.

In an exemplary embodiment, the uplink interference detection device may acquire a cell in which each terminal that cuts into the target cell is located before the terminal switches into the cell in a preset history period, so as to determine the number of times that the terminal in each first cell cuts into the target cell.

Based on the technical scheme, the uplink interference detection device determines an interference source cell according to the number of target terminals in the first cell and the times of the terminals cutting into the target cell. The more the number of target terminals is, and the more the number of times the terminal in the first cell cuts into the target cell is, the more the terminal in the first cell is located in the coverage edge area of the target cell, which means that the more the terminal in the first cell is located in the coverage edge area of the target cell, the more uplink interference is caused to the target cell. Therefore, the uplink interference detection device can more accurately identify the interference source cell related to the uplink interference suffered by the target cell based on the number of the target terminals in the first cell and the number of times the terminals cut into the target cell.

The embodiment of the application can divide the functional modules or functional units of the uplink interference detection device according to the method example, for example, each functional module or functional unit can be divided corresponding to each function, and two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware, or in software functional modules or functional units. The division of the modules or units in the embodiment of the present application is schematic, which is merely a logic function division, and other division manners may be implemented in practice.

As shown in fig. 7, a schematic structural diagram of an uplink interference detection device 70 according to an embodiment of the present application is provided, where the device includes:

A communication unit 702, configured to obtain an uplink interference parameter when an uplink interference value of a target cell is greater than a preset interference threshold; the uplink interference value is used for representing the uplink interference degree suffered by the target cell; the uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of a cell in a preset area and the number of target terminals of the cell in the preset area; the target terminal is a terminal with an average distance between the target terminal and the target cell within a preset history time length smaller than a preset distance threshold value.

The processing unit 701 is further configured to determine an interference source cell corresponding to the target cell according to the uplink interference parameter; the interference source cell is the cell where the terminal causing uplink interference to the target cell is located.

In one possible implementation, the uplink interference parameter is interference measurement signal strength; a processing unit 701, configured to determine candidate interference source cells in a preset area that satisfy a first preset condition; the first preset condition includes: the number of times that a terminal in a candidate interference source cell cuts into a target cell in a preset period is larger than a first preset switching frequency threshold value; a communication unit 702, configured to send an interference measurement resource indication message to each candidate interference source cell, so that a terminal in the candidate interference source cell sends an interference measurement signal through a time-frequency resource corresponding to the candidate interference source cell; the communication unit 702 is further configured to obtain an interference measurement signal strength corresponding to the candidate interference source cell.

In one possible implementation, the processing unit 701 is configured to: determining the interference source cell as a candidate interference source cell corresponding to the time-frequency resource meeting the second preset condition; the second preset condition includes: the average value of the interference measurement signal intensities measured on the time-frequency resource is larger than a preset signal intensity threshold value.

In one possible implementation manner, the interference measurement resource indication message is used for indicating a terminal in the candidate interference source cell to send an interference measurement signal according to a preset power through a time-frequency resource corresponding to the candidate interference source cell; the time-frequency resource corresponds to the cell identification of the candidate interference source cell one by one; the time-frequency resource is a time-frequency resource in one or more Physical Resource Blocks (PRBs) at a preset frequency domain position in a preset time period; the positions of the time-frequency resources corresponding to different candidate interference source cells in the time domain and the frequency domain are not overlapped.

In one possible implementation, the uplink interference parameter is interference measurement signal strength; a communication unit 702, configured to obtain an uplink interference value of a target cell in each unit time period in a preset history duration; a communication unit 702, configured to obtain, for each first cell, a number of edge terminals in the first cell in each unit time period in a preset history duration; the first cell is any cell in a preset area.

In one possible implementation, the communication unit 702 is configured to: respectively sending a first parameter request message to each first cell; the first parameter request message is used for acquiring the number of the edge terminals in the first cell in each unit time period in the preset history time period; receiving a first parameter response message sent by a first cell; the first parameter response message includes the number of edge terminals in the first cell per unit time period in the preset history period.

In one possible implementation, the processing unit 701 is configured to: for each first cell, calculating a correlation coefficient of an uplink interference value of a target cell in each unit time period in a preset history time period and the number of edge terminals in the first cell; the association coefficient is used for representing the association degree of the uplink interference value of the target cell and the number of the edge terminals in the first cell; determining an interference source cell as a first cell corresponding to the association coefficient meeting a third preset condition; the third preset condition includes: the association coefficient is greater than a preset association threshold.

In one possible implementation manner, the edge terminal is a terminal meeting a preset edge condition in the first cell; the preset edge condition comprises: the ratio of the average distance between the terminal and the first cell in the unit time period to the maximum coverage distance of the first cell is greater than the preset distance ratio, and/or the average value of the downlink signal intensity measured by the terminal in the unit time period is smaller than the preset downlink signal intensity threshold.

In a possible implementation manner, the communication unit 702 is configured to obtain, for each first cell, a number of target terminals in the first cell within a preset history period; the first cell is any cell in a preset area; the average distance between the target terminal and the target cell in the preset history time is smaller than a preset distance threshold.

In one possible implementation, the communication unit 702 is configured to: sending a second parameter request message to the first cell; the second parameter request message is used for acquiring the number of target terminals in the first cell within a preset history time; receiving a second parameter response message sent by the first cell; the second parameter response message includes the number of target terminals in the first cell within a preset history period and the identification of the first cell.

In a possible implementation manner, the processing unit 701 is configured to determine that the interference source cell is a first cell that meets a fourth preset condition; the fourth preset condition includes: the ratio of the number of target terminals to the total number of terminals in the first cell is greater than a preset number ratio, and the number of times the terminals in the first cell cut into the target cell within a preset history period is greater than a second preset switching frequency threshold.

When implemented in hardware, the communication unit 702 in the embodiments of the present application may be integrated on a communication interface, and the processing unit 701 may be integrated on a processor. A specific implementation is shown in fig. 8.

Fig. 8 shows still another possible configuration of the uplink interference detection device according to the above embodiment. The uplink interference detection device comprises: a processor 802 and a communication interface 803. The processor 802 is configured to control and manage actions of the uplink interference detection device, for example, perform the steps performed by the processing unit 701 described above, and/or perform other processes of the techniques described herein. The communication interface 803 is configured to support communication between the uplink interference detection device and other network entities, for example, to perform the steps performed by the communication unit 702. The uplink interference detection device may further comprise a memory 801 and a bus 804, the memory 801 being used for storing program codes and data of the uplink interference detection device.

The memory 801 may be a memory in the uplink interference detection device, and the like, and the memory may include a volatile memory, such as a random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, hard disk or solid state disk; the memory may also comprise a combination of the above types of memories.

The processor 802 described above may be implemented or executed with various exemplary logic blocks, modules, and circuits described in connection with this disclosure. The processor may be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various exemplary logic blocks, modules and circuits described in connection with this disclosure. The processor may also be a combination that performs the function of a computation, e.g., a combination comprising one or more microprocessors, a combination of a DSP and a microprocessor, etc.

Bus 804 may be an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus or the like. The bus 804 may be classified as an address bus, a data bus, a control bus, or the like. For ease of illustration, only one thick line is shown in fig. 8, but not only one bus or one type of bus.

The uplink interference detection device in fig. 8 may also be a chip. The chip includes one or more (including two) processors 802 and a communication interface 803.

In some embodiments, the chip also includes a memory 801, which may include read-only memory and random access memory, and provides operating instructions and data to the processor 802. A portion of the memory 801 may also include non-volatile random access memory (non-volatile random access memory, NVRAM).

In some implementations, the memory 801 stores elements, execution modules or data structures, or a subset thereof, or an extended set thereof.

In the embodiment of the present application, the corresponding operation is performed by calling the operation instruction stored in the memory 801 (the operation instruction may be stored in the operating system).

From the foregoing description of the embodiments, it will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of functional modules is illustrated, and in practical application, the above-described functional allocation may be implemented by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to implement all or part of the functions described above. The specific working processes of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which are not described herein.

An embodiment of the present application provides a computer program product containing instructions, which when executed on a computer, cause the computer to perform the uplink interference detection method in the above method embodiment.

The embodiment of the application also provides a computer readable storage medium, wherein the computer readable storage medium stores instructions, and when the instructions run on a computer, the computer is caused to execute the uplink interference detection method in the method flow shown in the method embodiment.

The 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 a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access Memory (Random Access Memory, RAM), a Read-Only Memory (ROM), an erasable programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), a register, a hard disk, 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, or any other form of computer readable storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an Application SPECIFIC INTEGRATED Circuit (ASIC). In embodiments of 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.

Since the uplink interference detection device, the computer readable storage medium and the computer program product in the embodiments of the present application can be applied to the above-mentioned method, the technical effects that can be obtained by the method can also refer to the above-mentioned method embodiments, and the embodiments of the present application are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, indirect coupling or communication connection of devices or units, electrical, mechanical, or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

The present application is not limited to the above embodiments, and any changes or substitutions within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An uplink interference detection method, which is characterized by comprising the following steps:

When the uplink interference value of the target cell is larger than a preset interference threshold value, acquiring an uplink interference parameter; the uplink interference value is used for representing the uplink interference degree suffered by the target cell; the uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of a cell in a preset area and the number of target terminals of the cell in the preset area; the target terminal is a terminal with an average distance between the target terminal and the target cell within a preset history time length smaller than a preset distance threshold;

Determining an interference source cell corresponding to the target cell according to the uplink interference parameter; the interference source cell is a cell where a terminal causing uplink interference to the target cell is located;

when the uplink interference parameter is interference measurement signal strength, the obtaining the uplink interference parameter includes:

Determining candidate interference source cells meeting a first preset condition in a preset area; the first preset condition includes: the number of times of the terminal in the candidate interference source cell cutting into the target cell in a preset period is larger than a first preset switching frequency threshold value;

Transmitting an interference measurement resource indication message to each candidate interference source cell, so that a terminal in the candidate interference source cell transmits an interference measurement signal through a time-frequency resource corresponding to the candidate interference source cell;

And acquiring the interference measurement signal strength corresponding to the candidate interference source cell.

2. The method according to claim 1, wherein the determining an interference source cell corresponding to the target cell according to the uplink interference parameter comprises:

Determining the interference source cell as a candidate interference source cell corresponding to the time-frequency resource meeting a second preset condition; the second preset condition includes: and the average value of the interference measurement signal intensities measured on the time-frequency resources is larger than a preset signal intensity threshold value.

3. The method of claim 1, wherein the interference measurement resource indication message is configured to instruct a terminal in the candidate interference source cell to send an interference measurement signal according to a preset power through a time-frequency resource corresponding to the candidate interference source cell; the time-frequency resources are in one-to-one correspondence with the cell identifications of the candidate interference source cells; the time-frequency resource is a time-frequency resource in one or more Physical Resource Blocks (PRBs) at a preset frequency domain position in a preset time period; the positions of the time-frequency resources corresponding to different candidate interference source cells in the time domain and the frequency domain are not overlapped.

4. The method of claim 1, wherein when the uplink interference parameter is the number of edge terminals of the cell in the preset area, the obtaining the uplink interference parameter includes:

Acquiring an uplink interference value of the target cell in each unit time period in a preset history time period;

for each first cell, acquiring the number of edge terminals in the first cell in each unit time period in the preset history time period; the first cell is any cell in a preset area.

5. The method of claim 4, wherein the obtaining the number of edge terminals in the first cell per unit time period in the preset history period comprises:

Respectively sending a first parameter request message to each first cell; the first parameter request message is used for obtaining the number of edge terminals in the first cell in each unit time period in the preset historical time period;

Receiving a first parameter response message sent by the first cell; the first parameter response message includes the number of edge terminals in the first cell in each unit time period in the preset history duration.

6. The method according to claim 4 or 5, wherein the determining an interference source cell corresponding to the target cell according to the uplink interference parameter includes:

for each first cell, calculating a correlation coefficient of an uplink interference value of the target cell and the number of edge terminals in the first cell in each unit time period in the preset history time; the association coefficient is used for representing the association degree of the uplink interference value of the target cell and the number of the edge terminals in the first cell;

Determining the interference source cell as the first cell corresponding to the association coefficient meeting a third preset condition; the third preset condition includes: the association coefficient is greater than a preset association threshold.

7. The method according to claim 4 or 5, wherein the edge terminal is a terminal in the first cell that meets a preset edge condition; the preset edge condition includes: the ratio of the average distance between the terminal and the first cell in the unit time period to the maximum coverage distance of the first cell is greater than a preset distance ratio, and/or the average value of the downlink signal intensity measured by the terminal in the unit time period is smaller than a preset downlink signal intensity threshold.

8. The method according to claim 1, wherein when the uplink interference parameter is the number of target terminals of the cell in the preset area, the acquiring the uplink interference parameter includes:

For each first cell, acquiring the number of target terminals in the first cell within a preset history time; the first cell is any cell in a preset area; and the average distance between the target terminal and the target cell in the preset history time is smaller than a preset distance threshold value.

9. The method of claim 8, wherein the obtaining the number of target terminals in the first cell within the preset history period includes:

Sending a second parameter request message to the first cell; the second parameter request message is used for obtaining the number of target terminals in the first cell in the preset history duration;

receiving a second parameter response message sent by the first cell; the second parameter response message includes the number of target terminals in the first cell and the identification of the first cell in the preset history duration.

10. The method according to claim 8 or 9, wherein said determining an interference source cell corresponding to the target cell according to the uplink interference parameter comprises:

determining the interference source cell as the first cell meeting a fourth preset condition; the fourth preset condition includes: the ratio of the number of the target terminals to the total number of the terminals in the first cell is greater than a preset number ratio, and the number of times the terminals in the first cell cut into the target cell within the preset history duration is greater than a second preset switching frequency threshold.

11. An uplink interference detection apparatus, comprising: a processing unit and a communication unit;

The processing unit is used for determining candidate interference source cells meeting a first preset condition in a preset area when the uplink interference value of the target cell is larger than a preset interference threshold value and the uplink interference parameter is the interference measurement signal strength; the uplink interference value is used for representing the uplink interference degree suffered by the target cell; the uplink interference parameter comprises at least one of interference measurement signal strength, the number of edge terminals of a cell in a preset area and the number of target terminals of the cell in the preset area; the target terminal is a terminal with an average distance between the target terminal and the target cell within a preset history time length smaller than a preset distance threshold; the first preset condition includes: the number of times of the terminal in the candidate interference source cell cutting into the target cell in a preset period is larger than a first preset switching frequency threshold value;

The communication unit is configured to send an interference measurement resource indication message to each candidate interference source cell, so that a terminal in the candidate interference source cell sends an interference measurement signal through a time-frequency resource corresponding to the candidate interference source cell;

The communication unit is further configured to obtain an interference measurement signal strength corresponding to the candidate interference source cell;

The processing unit is further configured to determine an interference source cell corresponding to the target cell according to the uplink interference parameter; the interference source cell is a cell where a terminal causing uplink interference to the target cell is located.

12. The apparatus of claim 11, wherein the processing unit is configured to:

13. The apparatus according to claim 11 or 12, wherein the interference measurement resource indication message is configured to instruct a terminal in the candidate interference source cell to send an interference measurement signal according to a preset power through a time-frequency resource corresponding to the candidate interference source cell; the time-frequency resources are in one-to-one correspondence with the cell identifications of the candidate interference source cells; the time-frequency resource is a time-frequency resource in one or more Physical Resource Blocks (PRBs) at a preset frequency domain position in a preset time period; the positions of the time-frequency resources corresponding to different candidate interference source cells in the time domain and the frequency domain are not overlapped.

14. The apparatus of claim 11, wherein the device comprises a plurality of sensors,

The communication unit is used for acquiring an uplink interference value of the target cell in each unit time period in a preset history time when the uplink interference parameter is the interference measurement signal strength;

the communication unit is configured to obtain, for each first cell, a number of edge terminals in the first cell within each unit time period in the preset history duration; the first cell is any cell in a preset area.

15. The apparatus of claim 14, wherein the communication unit is configured to:

16. The apparatus according to claim 14 or 15, wherein the processing unit is configured to:

17. The apparatus according to claim 14 or 15, wherein the edge terminal is a terminal in the first cell that meets a preset edge condition; the preset edge condition includes: the ratio of the average distance between the terminal and the first cell in the unit time period to the maximum coverage distance of the first cell is greater than a preset distance ratio, and/or the average value of the downlink signal intensity measured by the terminal in the unit time period is smaller than a preset downlink signal intensity threshold.

18. The apparatus of claim 11, wherein the communication unit is configured to, when the uplink interference parameter is a number of target terminals in a cell in a preset area, obtain, for each first cell, the number of target terminals in the first cell in a preset history period; the first cell is any cell in a preset area; and the average distance between the target terminal and the target cell in the preset history time is smaller than a preset distance threshold value.

19. The apparatus of claim 18, wherein the communication unit is configured to:

20. The apparatus according to claim 18 or 19, wherein the processing unit is configured to determine the interferer cell as the first cell that satisfies a fourth preset condition; the fourth preset condition includes: the ratio of the number of the target terminals to the total number of the terminals in the first cell is greater than a preset number ratio, and the number of times the terminals in the first cell cut into the target cell within the preset history duration is greater than a second preset switching frequency threshold.

21. An uplink interference detection apparatus, comprising: a processor and a communication interface; the communication interface being coupled to the processor for running a computer program or instructions to implement the uplink interference detection method as claimed in any one of claims 1-10.

22. A computer readable storage medium having instructions stored therein, which when executed by a computer, perform the uplink interference detection method according to any one of claims 1-10.