WO2017219855A1

WO2017219855A1 - Root cause locating method and device

Info

Publication number: WO2017219855A1
Application number: PCT/CN2017/087266
Authority: WO
Inventors: 赵黎波; 眭鸿飞; 姬舒平
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-06-24
Filing date: 2017-06-06
Publication date: 2017-12-28
Also published as: CN107548086B; CN107548086A

Abstract

The present invention provides a root cause locating method and device. The root cause locating method comprises: obtaining a measurement report reported by a terminal and/or measurement information reported by a base station; performing root cause locating on a wireless network state according to the measurement report and/or the measurement information, so as to obtain the locating result; and outputting the locating result. By means of the present invention, the problem in the related art of failure to automatically perform root cause locating on a wireless network state is resolved.

Description

Root cause positioning method and device

Technical field

The present invention relates to the field of communications, and in particular to a root cause positioning method and apparatus.

Background technique

In order to better optimize the performance of the Long Term Evolution (LTE) system, you may need to analyze the wireless side problems such as low-rate bills or user perceptions in the system to obtain the cause of the wireless side problem. That is, it is necessary to perform root cause positioning on the wireless side problem, and optimize the performance of the LTE system according to the reason of the positioning. However, there is no method for root cause localization problem in the related art, even if there exists It is also obtained through manual investigation. The cause of the wireless side problem obtained by manual method is not accurate and the efficiency is low, so the LTE system cannot be well optimized.

For the above technical problems in the related art, an effective solution has not been proposed yet.

Summary of the invention

The embodiment of the invention provides a root cause positioning method and device, so as to at least solve the problem that the root cause of the wireless network state cannot be automatically located in the related art.

According to an embodiment of the present invention, a root cause positioning method is provided, including: acquiring a measurement report reported by a terminal and/or measurement information reported by a base station; and performing root cause positioning on a wireless network state according to the measurement report and/or the measurement information. , get the positioning result; output the positioning result.

In the embodiment of the present invention, the wireless network status includes at least one of the following: a low-rate CDR problem, a terminal-aware problem, a wireless communication abnormality, a session abnormality, and a network alarm.

In the embodiment of the present invention, the measurement report includes at least one of the following: a reference signal receiving power (RSRP) of the primary cell where the terminal resides, an RSRP of the neighboring cell of the primary cell where the terminal resides, and a primary Reference Signal Receiving Quality (RSRQ) of the cell, RSRQ of the neighboring cell.

In the embodiment of the present invention, the measurement information includes at least one of the following: scheduling information of resources of the base station and/or the terminal, the number of users of the primary cell where the terminal is located, and the utilization of the physical resource block allocated by the primary cell.

In the embodiment of the present invention, the root cause positioning of the wireless network state according to the measurement report includes: determining whether a ratio of a sampling point where the RSRP of the primary cell is less than the second predetermined threshold to a total sampling point of the RSRP of the primary cell of the primary cell is greater than a predetermined threshold; if the result of the determination is greater than the first predetermined threshold, the cause of the wireless network state is located as a primary cell coverage problem.

In the embodiment of the present invention, before the method for locating the state of the wireless network to the primary cell coverage problem, the method further includes: determining whether the RSRP of the neighboring cell is in the neighboring area configuration information of the network management; In the case of the middle, it is determined that the primary cell has a missing neighboring cell.

In the embodiment of the present invention, the root cause is determined according to the measurement report, and the positioning result is obtained, including at least one of the following: determining whether the strongest neighboring zone exists in the neighboring cell, and determining that the strongest neighboring zone exists. In this case, the cause of the state of the wireless network is located as an interference problem; wherein the difference between the RSRP of the strongest neighboring cell and the RSRP of the neighboring cells other than the strongest cell in each neighboring cell is greater than a third predetermined threshold; Whether the cell has an overlapping coverage problem, and if the result of the determination is that there is an overlapping coverage problem, the cause of the wireless network state is located as an interference problem; wherein, in each neighboring cell, the difference between the RSRP of the neighboring cell and the RSRP of the primary cell is less than When the neighboring cell of the fourth predetermined threshold is used, determining that the primary cell has an overlapping coverage problem; determining whether the sum of the RSRPs of all neighboring cells of the primary cell is greater than a fifth predetermined threshold, and if the determination result is greater than a fifth predetermined threshold, the wireless The cause of the network state is located as an interference problem; whether the RSRQ of the primary cell and/or the RSRQ of the neighboring cell exceeds the sixth predetermined The value is used to locate the cause of the wireless network state as an interference problem if the result of the determination exceeds the sixth predetermined threshold; determine the relative energy and/or absolute energy of the neighboring cell to determine whether the neighboring cell has interference to the primary cell, and the result of the determination In the case of interference, the cause of the wireless network state is located as an interference problem; wherein, the relative energy is the difference between the RSRP of the neighboring cell and the RSRP of the primary cell, and the absolute energy is the RSRP of the neighboring cell.

In the embodiment of the present invention, the state of the wireless network is rooted according to the measurement information reported by the base station. The positioning result obtained by the positioning includes: determining whether the scheduling is abnormal according to the scheduling information; and determining the cause of the wireless network state to the scheduling problem if the determination result is the scheduling abnormality.

In the embodiment of the present invention, determining whether the scheduling is abnormal according to the scheduling information includes: determining whether the number of resource blocks allocated by the terminal and/or the number of scheduling packets is less than a seventh predetermined threshold; wherein, in a case where the determination result is less than a seventh predetermined threshold Next, determine the scheduling exception.

In the embodiment of the present invention, the root cause is determined according to the measurement information reported by the base station, and the result of the obtaining includes: performing root cause positioning on the state of the wireless network according to the number of users and the utilization of the physical resource block; wherein, in the user If the number is greater than the eighth predetermined threshold and the physical resource block number utilization is greater than the ninth predetermined threshold, the cause of the wireless network state is located as insufficient scheduling opportunity and no sufficient physical resource block resources are allocated during scheduling; If the eight predetermined threshold and the physical resource block number utilization are less than the ninth predetermined threshold, the reason for the wireless network state is positioned as the number of user scheduling is insufficient; when the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth In the case of a predetermined threshold, the reason for the state of the wireless network is positioned to limit the maximum number of physical resource blocks allocated to the user or the terminal itself; the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than the ninth predetermined In the case of a threshold, the original state of the wireless network Difference between the number of physical resource blocks to a first location occupied by the user priority and the second physical resource block occupied by the user priority greater than a predetermined tenth threshold value, wherein the first priority is higher than the second priority.

According to another embodiment of the present invention, a root cause positioning apparatus is provided, including: an obtaining module, configured to acquire a measurement report reported by the terminal and/or measurement information reported by the base station; and a positioning module configured to be based on the measurement report and/or Or the measurement information locates the root cause of the wireless network state, and obtains the positioning result; the output module is set to output the positioning result.

In the embodiment of the present invention, the measurement report includes at least one of the following: a reference signal received power RSRP of the primary cell where the terminal resides, an RSRP of the neighboring cell of the primary cell where the terminal resides, and a reference signal received quality RSRQ of the primary cell, The RSRQ of the neighboring cell.

In the embodiment of the present invention, the positioning module is further configured to determine whether a ratio of a sampling point where the RSRP of the primary cell is less than the second predetermined threshold to a total sampling point of the RSRP of the primary cell of the primary cell is greater than a first predetermined threshold; In the case of being greater than the first predetermined threshold, the cause of the wireless network state is located as a primary cell coverage problem.

In the embodiment of the present invention, the positioning module is further configured to determine whether the RSRP of the neighboring cell is in the neighboring cell configuration information of the network management device before the cause of the wireless network state is located in the neighboring cell coverage problem; In the case of information, it is determined that the primary cell has a missing neighboring cell.

In the embodiment of the present invention, the positioning module is further configured to perform at least one of: determining whether the strongest neighboring cell exists in the neighboring cell, and determining, in the case that the strongest neighboring zone exists, positioning the reason of the wireless network state as The interference problem; wherein, the difference between the RSRP of the strongest neighboring cell and the RSRP of the neighboring cells except the strongest cell in each neighboring cell is greater than a third predetermined threshold; determining whether the primary cell has an overlapping coverage problem, the judgment result is In the case where there is an overlap coverage problem, the cause of the radio network state is located as an interference problem; wherein, in each neighboring cell, when there is a neighboring cell in which the difference between the RSRP of the neighboring cell and the RSRP of the primary cell is less than the fourth predetermined threshold, determining the main The cell has an overlapping coverage problem; whether the sum of the RSRPs of all the neighboring cells of the primary cell is greater than a fifth predetermined threshold, and if the result of the determination is greater than the fifth predetermined threshold, the cause of the wireless network state is located as an interference problem; Whether the RSRQ of the cell and/or the RSRQ of the neighboring cell exceeds a sixth predetermined threshold, and the result of the determination is that the sixth predetermined threshold is exceeded. The reason for the state of the wireless network is located as an interference problem; determining the relative energy and/or absolute energy of the neighboring cell determines whether the neighboring cell has interference to the primary cell, and if the result of the determination is that there is interference, the reason of the state of the wireless network The positioning is an interference problem; wherein, the relative energy is the difference between the RSRP of the neighboring cell and the RSRP of the primary cell, and the absolute energy is the RSRP of the neighboring cell.

In the embodiment of the present invention, the positioning module is further configured to determine whether the scheduling is different according to the scheduling information. Often; in the case where the judgment result is a scheduling abnormality, the cause of the wireless network state is located to the scheduling problem.

In the embodiment of the present invention, the positioning module is further configured to determine whether the number of resource blocks allocated by the terminal and/or the number of scheduling packets is less than a seventh predetermined threshold; wherein, if the determination result is less than a seventh predetermined threshold, determining the scheduling abnormal.

In the embodiment of the present invention, the positioning module is further configured to perform root cause positioning on the wireless network state according to the number of users and the utilization of the physical resource block; wherein, the number of users is greater than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than In the case of nine predetermined thresholds, the cause of the wireless network state is located as insufficient scheduling opportunities and no sufficient physical resource block resources are allocated during scheduling; when the number of users is greater than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold If the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the reason for the state of the wireless network is determined as The maximum number of physical resource blocks allocated by the user is limited or the terminal itself is a problem; if the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than the ninth predetermined threshold, the cause of the wireless network state is positioned as the first The physical resource block occupied by the priority user and the second priority Cishuliangzhi Zhanyong user's physical resource blocks Taiyu tenth predetermined threshold value, wherein, the first priority is higher than a second level Youxian.

According to still another embodiment of the present invention, a storage medium is also provided. The storage medium is configured to store the program code for performing the following steps: acquiring the measurement report reported by the terminal and/or the measurement information reported by the base station; performing root cause positioning on the wireless network status according to the measurement report and/or the measurement information, and obtaining the positioning result. ; Output positioning results.

According to still another embodiment of the present invention, there is also provided a storage medium comprising a stored program, wherein the program is executed to perform the method of any of the above.

According to still another embodiment of the present invention, there is also provided a processor for running a program, wherein the program is executed to perform the method of any of the above.

According to the invention, the measurement report reported by the terminal and/or the measurement reported by the base station can be used. The information is used to locate the root cause of the wireless network state, and output the positioning result, so as to automatically locate the root cause of the wireless network state. Therefore, the problem that the root cause of the wireless network state cannot be automatically located in the related technology can be solved. Goodly optimize LTE system performance.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a block diagram showing the hardware structure of a mobile terminal according to a root cause positioning method according to an embodiment of the present invention;

2 is a flow chart of a root cause positioning method according to an embodiment of the present invention;

3 is a schematic flow chart of a low rate bill root cause positioning method according to a preferred embodiment of the present invention;

4 is a block diagram showing the structure of a root cause positioning device according to an embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

Example 1

The method embodiment provided by Embodiment 1 of the present application can be executed in a mobile terminal, a computer terminal or the like. Taking a mobile terminal as an example, FIG. 1 is a hardware structural block diagram of a mobile terminal according to a root cause positioning method according to an embodiment of the present invention. As shown in FIG. 1, the mobile terminal 10 may include one or more (only one shown) processor 102 (the processor 102 may include, but is not limited to, a Microcontroller Unit (MCU) or a programmable logic device. (Processing device such as Field-Programmable Gate Array, FPGA for short) A memory 104 for storing data, and a transmission device 106 for communication functions. It will be understood by those skilled in the art that the structure shown in FIG. 1 is merely illustrative and does not limit the structure of the above electronic device. For example, the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.

The memory 104 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the root cause positioning method in the embodiment of the present invention, and the processor 102 executes each by running a software program and a module stored in the memory 104. A functional application and data processing, that is, the above method is implemented. Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Transmission device 106 is for receiving or transmitting data via a network. The above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10. In one example, the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet. In one example, the transmission device 106 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.

In this embodiment, a root cause positioning method for the mobile terminal is provided. FIG. 2 is a flowchart of a root cause positioning method according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:

Step S202: Acquire a measurement report reported by the terminal and/or measurement information reported by the base station;

Step S204, performing root cause positioning on the wireless network status according to the measurement report and/or the measurement information, to obtain a positioning result;

Step S206, outputting a positioning result.

Through the above steps, it can be based on the measurement report reported by the terminal and/or the measurement reported by the base station. The quantity information is used to locate the root cause of the wireless network state, and the positioning result is output, thereby realizing the root cause positioning of the wireless network state automatically. Therefore, the problem that the root cause of the wireless network state cannot be automatically located in the related technology can be solved. Better optimize LTE system performance.

It should be noted that the root cause positioning of the wireless network state is the reason or the root cause of the wireless network state caused by the designated bit.

It should be noted that the foregoing wireless network status may include at least one of the following: a low rate CDR problem, a terminal sensation problem, a wireless communication abnormality, a session abnormality, and a network alarm, but is not limited thereto. The foregoing measurement report may include at least one of the following, but is not limited thereto: the reference signal received power RSRP of the primary cell where the terminal resides, the RSRP of the neighboring cell of the primary cell where the terminal resides, and the reference signal received quality RSRQ of the primary cell. , the RSRQ of the neighboring cell. The foregoing measurement information includes at least one of the following: scheduling information of resources of the base station and/or the terminal, the number of users of the primary cell where the terminal is located, and the utilization of the physical resource block allocated by the primary cell.

It should be noted that the foregoing measurement information may also include: data on the wireless side, measurement result recording (MRR), alarm, parameter configuration, call detail trace (CDT), and the like. Incoming NAS, Radio Resource Control (RRC), Packet Data Convergence Protocol (PDCP), Media Access Control (MAC), Physical Layer (Physical Layer) PHY) Layer data, but is not limited to this.

In an embodiment of the present invention, before the step S204, the foregoing may further include: receiving a trigger signal for triggering root cause positioning on the wireless network state. It should be noted that low-rate root cause positioning can be triggered by screening according to the core network side KQI indicator: download rate, delay, and drop rate.

In an embodiment of the present invention, the root cause positioning of the wireless network state according to the measurement report in the foregoing step S204 may be: determining that the RSRP of the primary cell is smaller than the second predetermined threshold and the RSRP of the primary cell of the primary cell. Whether the ratio of the total sampling points is greater than a first predetermined threshold; if the result of the determination is greater than the first predetermined threshold, the original state of the wireless network is Due to the location of the main cell coverage problem.

The method may further include: determining whether the RSRP of the neighboring cell is in the neighboring cell configuration information of the network management, and determining that the neighboring cell is not in the neighboring cell configuration information. In the case of the middle, it is determined that the primary cell has a missing neighboring cell.

That is, if it is determined that the primary cell is a weak coverage cell and the primary cell has a missing neighboring cell, the primary cell is determined to be a false weak coverage cell, and the cause of the wireless network state may be located as a primary cell coverage problem.

It should be noted that the first predetermined threshold may be preset according to a specific situation.

It should be noted that, in the case that the cause of the wireless network is determined to be the primary cell coverage problem, the coverage optimization process is performed. It should be noted that the coverage optimization process refers to the process in the prior art, and details are not described herein again.

It should be noted that the cause of the foregoing wireless network state may also be caused by the interference problem. Therefore, in an embodiment of the present invention, the root cause location of the wireless network state is obtained according to the measurement report in the foregoing step S204, and the positioning result is obtained. The method may include at least one of the following: determining whether the strongest neighboring cell exists in the neighboring cell, and determining the cause of the wireless network state as the interference problem if the judgment result is that the strongest neighboring cell exists; wherein, the RSRP of the strongest neighboring cell The difference between the RSRPs of the neighboring cells except the strongest cell in each neighboring cell is greater than a third predetermined threshold; determining whether the primary cell has an overlapping coverage problem, and if the result of the determination is that there is an overlapping coverage problem, the wireless network is used. The cause of the state is located as an interference problem. When there is a neighboring cell in which the difference between the RSRP of the neighboring cell and the RSRP of the primary cell is less than the fourth predetermined threshold in each neighboring cell, it is determined that the primary cell has an overlapping coverage problem; Whether the sum of the RSRPs of the neighboring cells is greater than a fifth predetermined threshold, and the result of the determination is greater than a fifth predetermined threshold. Locating the cause of the wireless network state as an interference problem; determining whether the RSRQ of the primary cell and/or the RSRQ of the neighboring cell exceeds a sixth predetermined threshold, and if the result of the determination is that the sixth predetermined threshold is exceeded, the reason for the state of the wireless network is determined. Positioning as an interference problem; determining the relative energy and/or absolute energy of the neighboring cell to determine whether the neighboring cell has interference to the primary cell, and determining the cause of the wireless network state as an interference problem if the judgment result is that interference exists; Energy is the RSRP of neighboring cells The difference between the RSRP of the primary cell and the absolute energy is the RSRP of the neighboring cell.

It should be noted that the sizes of the foregoing second predetermined threshold, the third predetermined threshold, the fourth predetermined threshold, the fifth predetermined threshold, and the sixth predetermined threshold may be preset according to a specific scenario, that is, may be set in different scenarios. Second predetermined thresholds of different sizes, a third predetermined threshold, a fourth predetermined threshold, a fifth predetermined threshold, and a sixth predetermined threshold.

It should be noted that determining the relative energy and/or the absolute energy of the neighboring cell to determine whether the neighboring cell has interference to the primary cell may be: determining whether the absolute energy of the neighboring cell exceeds a first preset threshold and/or absolute energy. Whether the second preset threshold is exceeded, wherein if the absolute energy exceeds the first preset threshold and/or the absolute energy exceeds the second preset threshold, it is determined that the neighboring cell has interference to the primary cell, but is not limited thereto.

In an embodiment of the present invention, the root cause location of the wireless network state is performed according to the measurement information reported by the base station in the foregoing step S204, and the obtaining the positioning result includes: determining whether the scheduling is abnormal according to the scheduling information; and determining that the scheduling result is abnormal Next, locate the cause of the wireless network status to the scheduling problem.

It should be noted that determining whether the scheduling is abnormal according to the scheduling information may include: determining whether the number of resource blocks allocated by the terminal and/or the number of scheduling packets is less than a seventh predetermined threshold; wherein, in a case where the determination result is less than a seventh predetermined threshold Next, determine the scheduling exception.

It should be noted that the foregoing seventh predetermined threshold may be preset according to a specific situation. For example, in different scenarios of semi-persistent scheduling, static scheduling, or dynamic scheduling, the set seventh predetermined threshold is not the same.

In an embodiment of the present invention, the root cause is determined according to the measurement information reported by the base station in the foregoing step S204, and the obtaining the positioning result may include: performing the wireless network status according to the number of users and the utilization of the physical resource block. Root cause positioning; wherein, in the case that the number of users is greater than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than the ninth predetermined threshold, the cause of the wireless network state is located as insufficient scheduling opportunities and no sufficient physical resources are allocated during scheduling Block resource; if the number of users is greater than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the cause of the wireless network state is located as the number of user scheduling Insufficient; if the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the reason for the state of the wireless network is positioned as the maximum number of physical resource blocks allocated for the user is limited or the terminal itself is problematic. If the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than the ninth predetermined threshold, the cause of the wireless network state is located as the physical resource block occupied by the user of the first priority and the second priority The difference between the number of physical resource blocks occupied by the user is greater than a tenth predetermined threshold, wherein the first priority is higher than the second priority.

It should be noted that the terminal itself may be a hardware problem and/or a software problem of the terminal itself, but is not limited thereto.

It should be noted that the reason for the foregoing wireless network state is that the difference between the physical resource block occupied by the user of the first priority and the physical resource block occupied by the user of the second priority is greater than a tenth predetermined threshold, which may be considered as the wireless. The reason for the network status is that a high-priority user occupies a large number of PRBs, and a low-priority user occupies less resources.

It should be noted that, whether the reason for determining whether the state of the wireless network is an interference problem, whether the cause of determining the state of the wireless network is a coverage problem, whether the cause of determining the state of the wireless network is a scheduling problem, or determining the wireless side Whether the cause is a resource problem, it can also be performed separately or sequentially, but the order of execution is not limited.

It should be noted that the execution body of the above steps may be a root cause positioning system, but is not limited thereto.

For a better understanding of the invention, the invention will be further explained in conjunction with the preferred embodiments.

The root cause positioning system triggers low-rate root cause positioning based on screening of core quality indicators (Key Quality Indicators, KQI) indicators that directly affect user perception: download rate, delay, and packet rate. Wireless side soft recovery, MRR, alarm, parameter configuration, CDT and other data and NAS, RRC, PDCP, MAC, PHY data layer correlation analysis, combined with root cause rule base library and algorithm, the wireless problem is located to weak field, interference, Root cause such as capacity, equipment failure, transmission failure, parameter configuration, antenna feed, etc., and trigger network optimization through root cause Module.

The preferred embodiment of the present invention proposes a method for root cause localization based on the advantages of LTE measurement big data reporting on the wireless side existing in the system, and the method can be analyzed according to the data collected by the TD-LTE measurement operation and maintenance system. Accurately judge network signal quality, interference and other related information, and locate the low-rate root cause of the CDRs that have been identified as low rates.

In order to achieve the above object, the technical solution adopted by the present invention is as follows: after the data is aggregated according to various measurement information (including soft mining, etc.) reported by the terminal MR and the base station, each factor process is judged.

The coverage problem is judged: the strength of the received signal of the UE is determined according to the serving cell RSRP reported by the user equipment (User Equepment, UE for short), and the UE with weak RSRP can be re-sent according to the reported value of the TA value, and the preliminary decision results in the UE RSRP. Weak cause: distance is long or obstacles are blocked. The ratio of the weak RSRP sampling points in the serving cell is used to judge whether the cell is weakly covered. According to the neighboring area sampling information reported by the UE and the configuration information of the neighboring area of the network management system, it is determined whether there is a problem of missing the neighboring area; The information of the neighboring area determines whether the weakly covered cell is a false weak coverage.

Judgment of interference problems: analysis from the perspective of the importance and comprehensiveness of the interference factors. The decisions of the strongest neighbors, the decision of overlapping coverage, the decision of all neighboring energy superpositions, and the decision of RSRQ are sequentially performed. From the analysis of the number of neighbors in the judgment, the judgment of the strongest neighboring area, the decision of overlapping coverage, and the judgment of the energy superposition of all neighboring areas are sequentially increased. From the comprehensiveness of consideration factors, RSRQ contains neighbors. Other factors that interfere with the area. From the perspective of judgment energy, the relative energy and absolute energy of the neighboring cells are used in turn to influence the interference of the decision on the serving cell.

Scheduling problem judgment: Analyze whether to schedule an exception according to the scheduling related information.

Resource problem judgment: using the number of users (time domain) and physical resource block (Physical Resource Block, PRB) (frequency domain) to divide: first quadrant: large number of users, high PRB utilization, the scene It is obvious that the load is too large. The number of users is insufficient to cause scheduling. The high PRB utilization causes no sufficient PRB resources to be allocated even when scheduling. The number will drop significantly. The second quadrant: the number of users is large, and the PRB utilization rate is low. This scenario is mainly for a large number of small packet service users, resulting in a low rate caused by insufficient user scheduling. The third quadrant: the number of users is small, and the PRB utilization rate is low. Generally, the scenario has a sufficient number of PRBs and scheduling times. The reason for the low rate of the UE may be limited by the maximum number of allocated PRBs of the UE or the terminal itself. The fourth quadrant has a small number of users and a high PRB utilization rate. In this scenario, a high-priority, high-traffic UE occupies a large number of PRBs, and a low-priority UE occupies less resources, resulting in a low rate.

The following is a description of a method for positioning a low-rate CDR according to a preferred embodiment of the present invention. As shown in FIG. 3, the method includes:

Step S302: collecting the problem bill; determining whether the message is a low rate bill according to the information of the problem bill;

Step S304, determining, according to the related information, whether the problem bill cell has an alarm;

Step S306, analyzing whether there is a weak coverage according to the related information;

Step S308, analyzing whether there is an interference condition according to the related information;

Step S310, analyzing whether there is a scheduling problem according to related information;

Step S312, analyzing whether there is a resource allocation problem according to the related information;

In step S314, the root cause of the problem bill is output according to the above analysis.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

Example 2

In this embodiment, a root cause positioning device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

4 is a block diagram showing the structure of a root cause positioning device according to an embodiment of the present invention. As shown in FIG. 4, the device includes:

The obtaining module 42 is configured to acquire the measurement report reported by the terminal and/or the measurement information reported by the base station;

The positioning module 44 is connected to the obtaining module 42 and configured to perform root cause positioning on the wireless network status according to the measurement report and/or the measurement information, to obtain a positioning result;

The output module 46 is connected to the positioning module 44 and configured to output a positioning result.

Through the foregoing device, the positioning module 44 performs root cause positioning on the wireless network state according to the measurement report reported by the terminal and/or the measurement information reported by the base station, and the output module 46 outputs the positioning result, thereby realizing the root cause of the wireless network state automatically. Positioning, therefore, can solve the problem that the root cause of the wireless network state cannot be automatically located in the related art, and can better optimize the performance of the LTE system.

It should be noted that the foregoing measurement information may further include: wireless side soft mining, MRR, alarm, Parameter configuration, CDT and other data and non-access stratum NAS, radio resource control RRC, Packet Data Convergence Protocol (PDCP), Media Access Control (MAC), Physical Layer (Physical Layer) , referred to as PHY) each layer of data, but is not limited to this.

In an embodiment of the present invention, the positioning module 44 is further configured to determine whether a ratio of a sampling point where the RSRP of the primary cell is less than the second predetermined threshold to a total sampling point of the RSRP of the primary cell of the primary cell is greater than a first predetermined threshold; If the result of the determination is greater than the first predetermined threshold, the cause of the wireless network state is located as the primary cell coverage problem.

It should be noted that the foregoing positioning module 44 may be further configured to determine whether the RSRP of the neighboring cell is in the neighboring cell configuration information of the network management device before the cause of the wireless network state is located to the primary cell coverage problem; In the case of the configuration information, it is determined that the primary cell has a missing neighboring cell. That is, the positioning module 44 determines that the primary cell is a weak coverage cell and the primary cell has a missing neighboring cell, and determines that the primary cell is a false weak coverage cell, and thus the cause of the wireless network state may be mainly located. Cell coverage problem.

It should be noted that the reason for the foregoing wireless network status may also be caused by the interference problem. In an embodiment of the present invention, the positioning module 44 may be further configured to perform at least one of: determining whether the neighbor cell has the strongest In the neighboring area, if the result of the judgment is that the strongest neighboring area exists, the cause of the state of the wireless network is located as an interference problem; wherein, the RSRP of the strongest neighboring cell and other neighboring cells except the strongest cell in each neighboring cell The difference between the RSRPs is greater than the third predetermined threshold; determining whether the primary cell has an overlapping coverage problem, and if the result of the determination is that there is an overlapping coverage problem, the cause of the wireless network state is located as an interference problem; wherein, in each neighboring cell When there is a neighboring cell in which the difference between the RSRP of the neighboring cell and the RSRP of the primary cell is less than the fourth predetermined threshold, it is determined that the primary cell has an overlapping coverage problem; and whether the sum of the RSRPs of all the neighboring cells of the primary cell is greater than a fifth predetermined threshold is determined. If the result is greater than the fifth predetermined threshold, the cause of the wireless network state is positioned as an interference problem; determining the primary cell Whether the RSRQ and/or the RSRQ of the neighboring cell exceeds a sixth predetermined threshold, and the result of the determination is that the sixth predetermined threshold is exceeded. The reason for the state of the wireless network is positioned as an interference problem; determining the relative energy and/or absolute energy of the neighboring cell determines whether the neighboring cell has interference to the primary cell, and if the result of the determination is that there is interference, the state of the wireless network is The cause is the interference problem. The relative energy is the difference between the RSRP of the neighboring cell and the RSRP of the primary cell, and the absolute energy is the RSRP of the neighboring cell.

In an embodiment of the present invention, the positioning module 44 may be further configured to determine whether the scheduling is abnormal according to the scheduling information; and if the determination result is a scheduling abnormality, locate the cause of the wireless network state to the scheduling problem.

It should be noted that the foregoing positioning module 44 may be further configured to determine whether the absolute energy of the neighboring cell exceeds a first preset threshold and/or whether the absolute energy exceeds a second preset threshold, where the absolute energy exceeds the first pre-predetermined If the threshold and/or the absolute energy exceeds the second preset threshold, it is determined that the neighboring cell has interference to the primary cell, but is not limited thereto.

It should be noted that, the foregoing positioning module 44 may be further configured to determine whether the number of resource blocks allocated by the terminal and/or the number of scheduling packets is less than a seventh predetermined threshold; wherein, in a case where the determination result is less than a seventh predetermined threshold, determining Scheduling exception.

In an embodiment of the present invention, the positioning module 44 may be further configured to perform root cause positioning on the wireless network state according to the number of users and the utilization of the physical resource block; wherein, the number of users is greater than an eighth predetermined threshold and a physical resource block. If the number utilization is greater than the ninth predetermined threshold, the cause of the wireless network state is located as insufficient scheduling opportunities and no sufficient physical resource block resources are allocated during scheduling; the number of users is greater than the eighth predetermined threshold and the number of physical resource blocks is utilized. If the value is less than the ninth predetermined threshold, the cause of the wireless network status is located as the user scheduling time. The number is insufficient; if the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the reason for the state of the wireless network is positioned as the maximum number of physical resource blocks allocated for the user is limited or the terminal itself The problem is that, when the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than the ninth predetermined threshold, the cause of the wireless network state is located as the physical resource block occupied by the user of the first priority and the second priority. The difference between the number of physical resource blocks occupied by the user is greater than a tenth predetermined threshold, wherein the first priority is higher than the second priority.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination. The forms are located in different processors.

Example 3

Embodiments of the present invention also provide a storage medium. Alternatively, in the present embodiment, the above storage medium may be set to store program code for executing the steps of the method in Embodiment 1.

Optionally, in this embodiment, the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory. A variety of media that can store program code, such as a disc or a disc.

Optionally, in the embodiment, the processor performs the steps of the method in Embodiment 1 according to the stored program code in the storage medium.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

According to the foregoing technical solution provided by the embodiment of the present invention, the root cause of the wireless network state may be located according to the measurement report reported by the terminal and/or the measurement information reported by the base station, and the positioning result is output, thereby automatically performing the wireless network state. The root cause is located, so that the problem of not being able to automatically locate the root cause of the wireless network state in the related art can be solved, and the performance of the LTE system can be better optimized.

Claims

A root cause positioning method, including:

Obtaining the measurement report reported by the terminal and/or the measurement information reported by the base station;

Performing a root cause positioning on the wireless network status according to the measurement report and/or the measurement information, to obtain a positioning result;

The positioning result is output.
The method of claim 1, wherein the wireless network status comprises at least one of the following: a low rate bill issue, a terminal awareness problem, a wireless communication anomaly, a session anomaly, and a network alert.
The method according to claim 1 or 2, wherein the measurement report includes at least one of: a reference signal received power RSRP of a primary cell where the terminal resides, and a neighboring cell of the primary cell where the terminal resides RSRP, reference signal reception quality RSRQ of the primary cell, RSRQ of the neighboring cell.
The method according to claim 1 or 2, wherein the measurement information comprises at least one of the following:

The scheduling information of the resources of the base station and/or the terminal, the number of users of the primary cell where the terminal is located, and the utilization rate of the physical resource blocks allocated by the primary cell.
The method of claim 3, wherein the root cause positioning of the wireless network state according to the measurement report comprises:

Determining whether a ratio of a sampling point in which the RSRP of the primary cell is less than a second predetermined threshold to a total sampling point of the RSRP of the primary cell in the primary cell is greater than a first predetermined threshold;

If the result of the determination is greater than the first predetermined threshold, the cause of the wireless network status is located as the primary cell coverage problem.
The method of claim 5, wherein the method further comprises: prior to locating the cause of the wireless network state to the primary cell coverage problem, the method further comprising:

Determining whether the RSRP of the neighboring cell is in the neighboring area configuration information of the network management;

If the result of the determination is not in the neighboring area configuration information, it is determined that the primary cell has a missing neighboring cell.
The method according to claim 3, wherein the root cause is located according to the measurement report, and the positioning result is obtained, including at least one of the following:

Determining whether the strongest neighboring cell exists in the neighboring cell, and determining, in the case that the strongest neighboring cell exists, positioning the cause of the wireless network state as an interference problem; wherein the strongest neighboring zone The difference between the RSRP and the RSRP of the neighboring cells other than the strongest cell in each of the neighboring cells is greater than a third predetermined threshold;

Determining whether the primary cell has an overlapping coverage problem, and if the result of the determination is that the overlapping coverage problem exists, the cause of the wireless network state is located as an interference problem; wherein the presence of the neighboring cell When the difference between the RSRP of the neighboring cell and the RSRP of the primary cell is less than the neighboring cell of the fourth predetermined threshold, determining that the primary cell has an overlapping coverage problem;

Determining whether the sum of the RSRPs of all the neighboring cells of the primary cell is greater than a fifth predetermined threshold, and determining the cause of the wireless network state as an interference problem if the determination result is greater than the fifth predetermined threshold;

Determining whether the RSRQ of the primary cell and/or the RSRQ of the neighboring cell exceeds a sixth predetermined threshold, and if the determination result is that the sixth predetermined threshold is exceeded, the cause of the wireless network state is located as an interference problem. ;

Determining, by the relative energy and/or the absolute energy of the neighboring cell, whether the neighboring cell has interference to the primary cell, and determining that the cause of the wireless network state is an interference problem if the judgment result is that the interference exists; The relative energy is the difference between the RSRP of the neighboring cell and the RSRP of the primary cell, and the absolute energy is the RSRP of the neighboring cell.
The method according to claim 4, wherein the root cause is located according to the measurement information reported by the base station, and the obtained positioning result comprises:

Determining whether the scheduling is abnormal according to the scheduling information;

In the case where the judgment result is a scheduling abnormality, the cause of the wireless network state is located to the scheduling problem.
The method according to claim 8, wherein determining whether the scheduling is abnormal according to the scheduling information comprises:

Determining whether the number of resource blocks allocated to the terminal and/or the number of scheduling packets is less than a seventh predetermined threshold; wherein, if the determination result is less than the seventh predetermined threshold, determining the scheduling abnormality.
The method according to claim 4, wherein the root cause is located according to the measurement information reported by the base station, and the obtained positioning result comprises:

Root cause positioning of the wireless network state according to the number of users and the utilization of the physical resource block;

Wherein, in a case that the number of users is greater than an eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than a ninth predetermined threshold, the reason for the state of the wireless network is positioned as insufficient scheduling opportunities and not allocated enough when scheduling a physical resource block resource; if the number of users is greater than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the cause of the wireless network state is located as the number of user scheduling Insufficient; if the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the cause of the wireless network state is located as a physical resource allocated for the user The maximum number of blocks is limited or the terminal itself has a problem; if the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than the ninth predetermined threshold, the wireless network is The reason for the status is the physical resource block occupied by the user of the first priority and the physical resource occupied by the user of the second priority. It is greater than the difference between the number of blocks of a predetermined tenth threshold value, wherein the first priority is higher than the second priority.
A root cause positioning device comprising:

Obtaining a module, configured to obtain a measurement report reported by the terminal and/or measurement information reported by the base station;

a positioning module, configured to perform root cause positioning on the wireless network status according to the measurement report and/or the measurement information, to obtain a positioning result;

An output module configured to output the positioning result.
The apparatus according to claim 11, wherein the wireless network status comprises at least one of the following: a low rate CDR problem, a terminal awareness problem, a wireless communication abnormality, a session abnormality, and a network alarm.
The apparatus according to claim 11 or 12, wherein the measurement report includes at least one of: a reference signal received power RSRP of a primary cell where the terminal resides, and a neighboring cell of the primary cell where the terminal resides RSRP, reference signal reception quality RSRQ of the primary cell, RSRQ of the neighboring cell.
The apparatus according to claim 11 or 12, wherein the measurement information comprises at least one of the following:

The scheduling information of the resources of the base station and/or the terminal, the number of users of the primary cell where the terminal is located, and the utilization rate of the physical resource blocks allocated by the primary cell.
The apparatus according to claim 13, wherein the positioning module is further configured to: determine a sampling point where the RSRP of the primary cell is less than a second predetermined threshold and a total sampling point of an RSRP of the primary cell under the primary cell Whether the ratio is greater than a first predetermined threshold; if the result of the determination is greater than the first predetermined threshold, the cause of the wireless network state is located as the primary cell coverage problem.
The apparatus according to claim 15, wherein the positioning module is further configured to determine whether the RSRP of the neighboring cell is in a neighboring area of the network management before the reason of the state of the wireless network is located to the primary cell coverage problem. In the configuration information, if the result of the determination is not in the neighboring area configuration information, it is determined that the primary cell has a missing neighboring cell.
The apparatus according to claim 13, wherein the positioning module is further configured to perform at least one of: determining whether the strongest neighboring cell exists in the neighboring cell, and in the case of determining that the strongest neighboring zone exists Positioning the reason of the wireless network status a difference between the RSRP of the strongest neighboring cell and the RSRP of the neighboring cells other than the strongest cell in each of the neighboring cells is greater than a third predetermined threshold; determining the primary Whether the cell has an overlapping coverage problem, and if the result of the determination is that the overlapping coverage problem exists, the cause of the wireless network state is located as an interference problem; wherein the neighboring cell has the RSRP of the neighboring cell Determining that the primary cell has an overlapping coverage problem when the difference between the RSRPs of the primary cells is less than a fourth predetermined threshold; determining whether the sum of RSRPs of all neighboring cells of the primary cell is greater than a fifth predetermined threshold, If the result of the determination is greater than the fifth predetermined threshold, the cause of the wireless network state is located as an interference problem; and it is determined whether the RSRQ of the primary cell and/or the RSRQ of the neighboring cell exceeds a sixth predetermined threshold, If the result of the determination is that the sixth predetermined threshold is exceeded, the cause of the wireless network state is located as an interference problem; and the relative energy of the neighboring cell is determined. The absolute energy is used to determine whether the neighboring cell has interference to the primary cell, and if the result of the determination is that interference exists, the cause of the wireless network state is located as an interference problem; wherein the relative energy is the neighboring cell The difference between the RSRP and the RSRP of the primary cell, where the absolute energy is the RSRP of the neighboring cell.
The apparatus according to claim 14, wherein the positioning module is further configured to determine whether the scheduling is abnormal according to the scheduling information; and to locate the cause of the wireless network state to a scheduling problem if the determination result is a scheduling abnormality .
The apparatus according to claim 18, wherein the positioning module is further configured to determine whether the number of resource blocks allocated to the terminal and/or the number of scheduling packets is less than a seventh predetermined threshold; wherein, the result of the determination is less than In the case of the seventh predetermined threshold, the scheduling abnormality is determined.
The apparatus according to claim 14, wherein the positioning module is further configured to perform root cause positioning on the wireless network state according to the number of users and the utilization rate of the physical resource block; wherein, the number of users If the eighth predetermined threshold is greater than the eighth predetermined threshold and the physical resource block number utilization is greater than the ninth predetermined threshold, the cause of the wireless network state is located as insufficient scheduling opportunity and no sufficient physical resource block is allocated during scheduling a resource; if the number of users is greater than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the reason for the state of the wireless network is that the number of scheduling of the user is insufficient; If the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is less than the ninth predetermined threshold, the cause of the wireless network state is located as the maximum of the physical resource blocks allocated for the user. The number is limited or the terminal itself has a problem; if the number of users is less than the eighth predetermined threshold and the utilization of the number of physical resource blocks is greater than the ninth predetermined threshold, the reason for the state of the wireless network The difference between the number of physical resource blocks occupied by the user that is located at the first priority and the number of physical resource blocks occupied by the user of the second priority is greater than a tenth predetermined threshold, wherein the first priority is higher than the second priority level.
A storage medium, the storage medium comprising a stored program, wherein the program is executed to perform the method of any one of claims 1 to 10.
A processor for running a program, wherein the program is executed to perform the method of any one of claims 1 to 10.