CN111294849A - Method and device for judging poor Internet access quality of LTE (Long term evolution) user - Google Patents
Method and device for judging poor Internet access quality of LTE (Long term evolution) user Download PDFInfo
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Abstract
The invention discloses a method and a device for judging the Internet surfing quality difference of an LTE (Long term evolution) user, which are used for solving the problem that no effective user-level Internet surfing evaluation perception and quality difference judging method exists in the prior art. The method for judging the poor network access quality of the LTE user comprises the following steps: collecting an XDR ticket generated by the Internet access of an LTE user within a set time period; extracting key field contents aiming at each XDR record in the XDR call list, wherein the key fields comprise data flow, transmission control protocol TCP link establishment response time delay, TCP link establishment confirmation time delay, time delay from TCP link establishment success to a first transaction request, time delay of a first hypertext transfer protocol HTTP response packet and time delay of a last HTTP content packet; and when the XDR record is judged to be a quality difference service ticket record according to the key field content, determining a quality difference type.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for judging poor internet access quality of an LTE (long term evolution) user.
Background
With the rapid growth of 4G (the 4th Generation mobile communication technology, fourth Generation mobile communication technology) users, various internet user perception indexes carried on an LTE (Long Term Evolution) network are important bases for a network optimization and maintenance engineer to evaluate user experience and discover network problems in time.
Currently, the index evaluation is mainly performed on the cell by network management indexes in the industry, and an effective user-level evaluation internet-surfing perception and quality difference judgment method does not exist.
Disclosure of Invention
The embodiment of the invention provides a method and a device for judging the Internet surfing quality difference of an LTE (Long term evolution) user, which realize the Internet surfing perception and quality difference judgment from user-level evaluation.
In a first aspect, an embodiment of the present invention provides a method for determining poor internet quality of an LTE user, including:
collecting an XDR ticket generated by the Internet access of an LTE user within a set time period;
extracting key field contents aiming at each XDR record in the XDR call list, wherein the key fields comprise data flow, transmission control protocol TCP link establishment response time delay, TCP link establishment confirmation time delay, time delay from TCP link establishment success to a first transaction request, time delay of a first hypertext transfer protocol HTTP response packet and time delay of a last HTTP content packet;
and when the XDR record is judged to be a quality difference service ticket record according to the key field content, determining a quality difference type.
The method for judging the network quality difference of the LTE user provided by the embodiment of the invention comprises the steps of collecting XDR (Deep packet inspection) call tickets generated by the LTE user accessing the Internet in a set time period by utilizing DPI (Deep packet inspection) equipment, extracting key field contents aiming at each XDR record in the XDR call tickets, wherein the key fields comprise data flow, TCP (Transmission Control Protocol) link establishment response delay, TCP link establishment confirmation delay, delay from the TCP link establishment to a first transaction request, first HTTP (Hypertext Transfer Protocol) response packet delay and last HTTP content packet delay, judging whether the XDR record is a quality difference service record according to the key field contents, and determining the quality difference type when the XDR record is determined to be the quality difference service record The service delay and other contents are combined to judge whether the XDR record is a quality difference service ticket record and a quality difference type or not, so that the LTE user Internet surfing perception is evaluated, the complaint user and potential complaint user Internet surfing problem cause analysis is assisted, the perception difference cause is positioned, a basis is provided for network optimization and complaint analysis, and the user-level Internet surfing perception evaluation and quality difference judgment are realized.
Preferably, when the XDR record is determined to be a quality difference service ticket record according to the key field content, determining a quality difference type specifically includes:
when the data flow is determined to be larger than a first preset threshold value, judging whether the data transmission rate is larger than a second preset threshold value;
if the data transmission rate is less than or equal to the second preset threshold, judging that the XDR record is a large packet rate poor quality service ticket record;
if the data transmission rate is greater than the second preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold;
if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, the XDR record is judged to be a quality difference service ticket record of the large packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the large packet wireless side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the large packet core side.
Preferably, the data traffic is uplink traffic or downlink traffic; the data transmission rate is an uploading rate or a downloading rate;
when the volume flow is an uplink flow, if the data transmission rate is less than or equal to the second preset threshold, determining that the XDR record is a large packet rate and poor quality service ticket record, specifically including:
if the uploading rate is less than or equal to the second preset threshold, judging that the XDR record is a call ticket record of a large packet uplink rate poor quality service;
when the quantity flow is downlink flow, if the data transmission rate is less than or equal to the second preset threshold, determining that the XDR record is a large packet rate and poor quality service ticket record, specifically including:
and if the downloading rate is less than or equal to the second preset threshold, judging that the XDR record is a call ticket record of the large packet downlink rate poor quality service.
Optionally, the method further comprises:
when the data flow is determined to be less than or equal to a first preset threshold, judging whether the total service time delay is greater than a fifth preset threshold;
when the total service time delay is determined to be greater than the fifth preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold;
if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, judging that the XDR records are quality difference service ticket records of a small packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the small wireless side; if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the packet core side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a service with poor quality of a small end-to-end problem.
Preferably, the uploading rate is determined by the uplink traffic and the time delay of the last HTTP content packet; the downloading rate is determined by the downlink flow and the time delay of the last HTTP content packet; the wireless side time delay is determined by the TCP link establishment confirmation time delay and the time delay from the TCP link establishment success to the first transaction request; the core side delay is determined by the TCP link establishment response delay and the first HTTP response packet delay; the total service delay is determined by the TCP link establishment response delay, the TCP link establishment confirmation delay, the delay from the TCP link establishment success to the first transaction request and the delay of the last HTTP content packet.
Optionally, the method further comprises:
counting the number of the quality difference service call bill records in the set time period;
and when the quantity of the quality difference service call ticket records is larger than the preset quantity and the proportion of the quality difference service call ticket records to all XDR records in the XDR call tickets is larger than a sixth preset threshold value, determining that the LTE user is an online unsatisfied user.
In a second aspect, an embodiment of the present invention provides a device for determining poor internet quality of an LTE user, including:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring an XDR ticket generated by the Internet access of an LTE user within a set time period;
an extraction unit, configured to extract, for each XDR record in the XDR ticket, a content of a key field, where the key field includes a data flow, a TCP link establishment response delay, a TCP link establishment confirmation delay, a delay from a TCP link establishment success to a first transaction request, a delay of a first HTTP response packet, and a delay of a last HTTP content packet;
and the judging unit is used for determining the quality difference type when the XDR record is judged to be the quality difference service ticket record according to the key field content.
Preferably, the determining unit is specifically configured to determine whether the data transmission rate is greater than a second preset threshold when it is determined that the data traffic is greater than a first preset threshold; if the data transmission rate is less than or equal to the second preset threshold, judging that the XDR record is a large packet rate poor quality service ticket record; if the data transmission rate is greater than the second preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold; if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, the XDR record is judged to be a quality difference service ticket record of the large packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the large packet wireless side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the large packet core side.
Preferably, the data traffic is uplink traffic or downlink traffic; the data transmission rate is an uploading rate or a downloading rate;
the determining unit is specifically configured to determine that the XDR record is a large packet uplink rate poor quality service ticket record if the upload rate is less than or equal to the second preset threshold when the volume traffic is uplink traffic; and when the quantity flow is downlink flow, if the downloading rate is less than or equal to the second preset threshold, judging that the XDR record is a call ticket record of a large packet downlink rate poor quality service.
Optionally, the determining unit is further configured to determine whether the total service delay is greater than a fifth preset threshold when it is determined that the data traffic is less than or equal to a first preset threshold; when the total service time delay is determined to be greater than the fifth preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold; if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, judging that the XDR records are quality difference service ticket records of a small packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the small wireless side; if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the packet core side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a service with poor quality of a small end-to-end problem.
Preferably, the uploading rate is determined by the uplink traffic and the time delay of the last HTTP content packet; the downloading rate is determined by the downlink flow and the time delay of the last HTTP content packet; the wireless side time delay is determined by the TCP link establishment confirmation time delay and the time delay from the TCP link establishment success to the first transaction request; the core side delay is determined by the TCP link establishment response delay and the first HTTP response packet delay; the total service delay is determined by the TCP link establishment response delay, the TCP link establishment confirmation delay, the delay from the TCP link establishment success to the first transaction request and the delay of the last HTTP content packet.
Optionally, the apparatus further comprises:
the statistical unit is used for counting the number of the quality difference service ticket records in the set time period;
and the determining unit is used for determining that the LTE user is an online unsatisfied user when the quantity of the poor quality service call ticket records is larger than a preset quantity and the proportion of the poor quality service call ticket records to all XDR records in the XDR call tickets is larger than a sixth preset threshold value.
The technical effects of the device for determining poor network quality for an LTE user according to the present invention can be seen in the technical effects of the first aspect or each implementation manner of the first aspect, which are not described herein again.
In a third aspect, an embodiment of the present invention provides a communication device, including a memory, a processor, and a computer program that is stored in the memory and is executable on the processor, where the processor implements the method for determining the network quality difference of the LTE user according to the present invention when executing the program.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the method for determining the network quality difference for the LTE user according to the present invention.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram illustrating connection between a wireless side and a core side of an LTE system;
fig. 2 is a schematic diagram of an implementation flow of a method for determining poor network quality for an LTE user according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an implementation flow of determining a quality difference type when an XDR record is a quality difference service ticket record in the embodiment of the present invention;
fig. 4 is a schematic diagram of time delay distribution data of a core side with 79 time-sharing LTE internet user satisfaction of beijing company in the embodiment of the present invention;
fig. 5 is a schematic diagram of time-sharing wireless-side delay distribution data with an LTE internet user satisfaction of 79 m beijing company in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a device for determining poor network quality for an LTE user according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a method and a device for judging the Internet surfing quality difference of an LTE (Long term evolution) user, which realize the Internet surfing perception and quality difference judgment from user-level evaluation.
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings of the specification, it being understood that the preferred embodiments described herein are merely for illustrating and explaining the present invention, and are not intended to limit the present invention, and that the embodiments and features of the embodiments in the present invention may be combined with each other without conflict.
In this context, it is to be understood that, in the technical terms referred to in the present invention:
1. XDR (extended Data Recording) is a concept evolved from CDR (Call Data Recording), which is a record of network key information during a Call in a conventional communication network. XDR is an extension of CDR concept, and generally refers to a key information record of data traffic in a mobile network and a bearer network, that is, a traffic log, and one session forms one XDR record by taking a user session as a unit.
2. DPI is a packet-based deep inspection technology, which performs deep inspection on different network application layer loads (e.g., HTTP, DNS (Domain Name System, etc.), and determines validity of a packet by detecting a payload of the packet. DPI is a technology that has been successful in traffic management, security, and network analysis, and at the same time, is capable of analyzing the content of network packets.
3. The S1 interface is a communication interface between the LTE base station eNodeB and an Evolved Packet Core (EPC), and divides the LTE system into a radio access network and a Core network. The S1 interface follows the idea of separation of bearer and control, and is divided into two interfaces, one for the control plane: S1-MME, one for user plane: S1-U. The S1-U interface establishes a tunnel between a GW (GateWay) and an eNodeB device to transport user data traffic, i.e., user plane data. Fig. 1 is a schematic diagram illustrating connection between a wireless side and a core side of an LTE system. The XDR call ticket is collected at an S1-U interface.
As shown in fig. 2, an implementation flow diagram of the method for determining the network quality difference for the LTE user according to the embodiment of the present invention may include the following steps:
and S11, collecting an XDR ticket generated by the Internet access of the LTE user in a set time period.
In specific implementation, the DPI equipment collects an XDR ticket generated by the Internet access of an LTE user within a set time period. Specifically, the DPI equipment collects an XDR (X digital subscriber identity) ticket generated by the Internet access of an LTE (long term evolution) user in a set time period through an S1-U (Universal Serial bus) interface. The setting time may be set as required, for example, 1 hour, and this is not limited in the embodiment of the present invention.
And S12, extracting key field content aiming at each XDR record in the XDR call list.
In specific implementation, the DPI device extracts key field content for each XDR record in the collected XDR tickets of the LTE user. The key fields comprise data flow, transmission control protocol TCP link establishment response delay, TCP link establishment confirmation delay, delay from TCP link establishment success to a first transaction request, delay of a first hypertext transfer protocol HTTP response packet and delay of a last HTTP content packet. Wherein, the TCP link establishment response time delay represents the time delay from sending SYN message to receiving SYN + ACK message in the TCP three-way handshake process; the TCP link establishment confirmation time delay represents the time delay between sending the SYN + ACK message and receiving the ACK message in the TCP three-way handshake process; the delay from the TCP link establishment success to the first transaction request represents the delay from the receipt of the last ACK message in the TCP three-way handshake to the receipt of the first transaction request (such as an HTTP get command); the first HTTP response packet latency represents latency of the first HTTP response packet relative to the first HTTP request packet (e.g., HTTP get command); the latency of the last HTTP content packet represents the latency of the last HTTP content packet relative to the first HTTP request packet (e.g., HTTP get command).
Specifically, the data traffic is uplink traffic or downlink traffic, and whether the XDR record includes uplink traffic or downlink traffic may be determined by querying whether the XDR record includes a "Filename" (file name) code stream. If the XDR record contains the Filename code stream, determining that the XDR record contains downlink flow; and if the XDR does not contain the Filename code stream, determining that the XDR records contain the uplink flow.
And S13, determining the quality difference type when the XDR record is judged to be the quality difference service ticket record according to the key field content.
And when the XDR record is determined to be the poor quality service call bill record, determining the poor quality type.
In specific implementation, determining the quality difference type when the XDR record is the quality difference service ticket record through the process shown in fig. 3 may include the following steps:
s21, judging whether the data flow is larger than a first preset threshold value or not, and if the data flow is larger than the first preset threshold value, executing steps S22-S27; and if the data flow is less than or equal to the first preset threshold, executing steps S28-S213.
In a specific implementation, the first preset threshold may be, but is not limited to, 500KB, and is a large packet when the uplink traffic or the downlink traffic recorded in each XDR is greater than 500KB, and is a small packet when the uplink traffic or the downlink traffic is less than or equal to 500 KB.
S22, judging whether the data transmission rate is larger than a second preset threshold value, if the data transmission rate is smaller than or equal to the second preset threshold value, executing a step S23; if the data transmission rate is greater than the second preset threshold, step S24 is executed.
In specific implementation, the data transmission rate is an uploading rate or a downloading rate, and if the XDR record contains uplink traffic, whether the corresponding uploading rate is greater than a second preset threshold is determined; and if the XDR records contain downlink flow, judging whether the corresponding downloading rate is greater than a second preset threshold value. The second preset threshold may be, but is not limited to, 500 KB.
Specifically, an uploading rate is determined by the uplink flow and the time delay of the last HTTP content packet; and determining the downloading rate according to the downlink flow and the time delay of the last HTTP content packet.
Specifically, the upload rate (i.e., uplink rate) may be determined by the following equation:
upstream traffic (KB). times.8/time delay (ms) of last HTTP content packet
The download rate (i.e., downstream rate) can be determined by the following equation:
downstream traffic (KB). times.8/time delay (ms) of last HTTP content packet
S23, judging the XDR record as a call ticket record of the large packet rate poor quality service.
In specific implementation, when the quantity flow is uplink flow, if the uploading rate is less than or equal to a second preset threshold, determining that the XDR record is a call ticket record of a large packet uplink rate poor quality service; and when the quantity flow is downlink flow, if the downloading rate is less than or equal to a second preset threshold, judging that the XDR record is a call ticket record of a large packet downlink rate poor quality service.
S24, judging whether the wireless side time delay is larger than a third preset threshold and whether the core side time delay is larger than a fourth preset threshold, if the wireless side time delay is larger than the third preset threshold and the core side time delay is larger than the fourth preset threshold, executing a step S25; if the wireless-side time delay is greater than the third preset threshold and the core-side time delay is less than or equal to the fourth preset threshold, executing step S26; if the wireless-side time delay is less than or equal to the third preset threshold and the core-side time delay is greater than the fourth preset threshold, step S27 is executed.
In specific implementation, the wireless side time delay is determined through the TCP link establishment confirmation time delay and the time delay from the TCP link establishment success to the first transaction request; and determining the core side time delay through the TCP link establishment response time delay and the first HTTP response packet time delay. The time delay at the wireless side is the time delay at the base station (eNodeB) side of the LTE system, and the time delay at the core side is the time delay at the packet core network (EPC) side.
Specifically, the wireless side delay can be determined by the following equation:
and the wireless side time delay is equal to the TCP link establishment confirmation time delay plus the time delay from the TCP link establishment to the first transaction request.
The core-side delay may be determined by the following equation:
and determining the core side time delay by the TCP link establishment response time delay and the first HTTP response packet time delay.
In the embodiment of the present invention, the third preset threshold and the fourth preset threshold may be determined according to empirical values, for example, values of the third preset threshold and the fourth preset threshold may be determined according to "two-eight principle" obtained when distribution statistics of each time delay of the LTE user internet access service and LTE internet access user satisfaction investigation data of beijing company are greater than a set threshold (e.g., 79 minutes). For example, as shown in fig. 4 and fig. 5, the statistical LTE internet user satisfaction of beijing company is 79 time-sharing core-side delay distribution data diagrams and wireless-side delay distribution data diagrams, respectively. As shown in fig. 4, the core-side delay of 80% of the users is less than 154ms, and as shown in fig. 5, the radio-side delay of 80% of the users is less than 232ms, then the third preset threshold may take the value of 232ms, and the fourth preset threshold may take the value of 154 ms.
And S25, judging the XDR records as quality difference service ticket records of a big packet wireless side and a core side.
In specific implementation, if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, it is determined that the XDR record is a quality difference service ticket record of the wireless side and the core side of the large packet.
And S26, judging the XDR record as a call ticket record of the quality difference service of the big packet wireless side.
In specific implementation, if the wireless side time delay is greater than the third preset threshold and the core side time delay is less than or equal to the fourth preset threshold, it is determined that the XDR record is a large-packet wireless side quality difference service ticket record.
And S27, judging the XDR record as a quality difference service ticket record of the large packet core side.
In specific implementation, if the wireless side time delay is less than or equal to the third preset threshold and the core side time delay is greater than the fourth preset threshold, it is determined that the XDR record is a large packet core side quality difference service ticket record.
Further, if the wireless side time delay is less than or equal to the third preset threshold and the core side time delay is less than or equal to the fourth preset threshold, it is determined that the XDR record is a quality service ticket record.
S28, judging whether the total service time delay is larger than a fifth preset threshold value, if so, executing the step S29.
In this step, if the total service delay is less than or equal to the fifth preset threshold, it is determined that the XDR record is a quality service ticket record. And if the total service time delay is greater than the fifth preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold. The fifth preset threshold may be set according to an actual situation, and may take a value of 4s, for example.
In specific implementation, the total service delay is determined by the TCP link establishment response delay, the TCP link establishment confirmation delay, the delay from the TCP link establishment success to the first transaction request and the delay of the last HTTP content packet.
Specifically, the total traffic delay may be determined by the following formula:
the total service delay is TCP link establishment response delay, TCP link establishment confirmation delay, the delay from the successful TCP link establishment to the first transaction request and the delay of the last HTTP content packet
S29, judging whether the wireless side time delay is larger than a third preset threshold and whether the core side time delay is larger than a fourth preset threshold, if the wireless side time delay is larger than the third preset threshold and the core side time delay is larger than the fourth preset threshold, executing the step S210; if the wireless-side time delay is greater than the third preset threshold and the core-side time delay is less than or equal to the fourth preset threshold, executing step S211; if the wireless-side time delay is less than or equal to the third preset threshold and the core-side time delay is greater than the fourth preset threshold, executing step S212; if the wireless-side time delay is less than or equal to the third preset threshold and the core-side time delay is less than or equal to the fourth preset threshold, step S213 is executed.
S210, judging that the XDR records are quality difference service ticket records of a small-packet wireless side and a core side.
In specific implementation, if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, it is determined that the XDR record is a quality difference service ticket record of the wireless side and the core side of the large packet.
S211, judging the XDR record as a call ticket record of the quality difference service of the wireless side of the small packet.
In specific implementation, if the wireless side time delay is greater than the third preset threshold and the core side time delay is less than or equal to the fourth preset threshold, it is determined that the XDR record is a packet wireless side quality difference service ticket record.
S212, judging that the XDR record is a quality difference service ticket record of a small packet core side.
In specific implementation, if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, the XDR record is determined as a call ticket record of a quality difference service of the core side of the packet.
S213, judging the XDR record as a service ticket record of the quality difference of the end-to-end problem of the packet.
And if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a service with poor quality of a small end-to-end problem.
Further, after the quality difference type of each XDR quality difference service call bill record in the XDR call bills generated by the LTE user accessing the Internet is determined, counting the number of the quality difference service call bill records in the set time period, and if the number of the quality difference service call bill records is larger than the preset number and the proportion of the quality difference service call bill records to all the XDR records in the XDR call bill is larger than a sixth preset threshold value, determining that the LTE user is an online unsatisfied user. The set number may be set according to an empirical value, for example, when the set time period is 1 hour, the set number may be set to 8, and the sixth preset threshold may be set to 3%.
Preferably, the online unsatisfied user can be judged by the following method:
and after the quality difference type of each XDR quality difference service call bill record in the XDR call bills generated by the Internet access of the LTE user is determined, counting the number of the wireless side quality difference service call bill records in the set time period, and if the number of the wireless side quality difference service call bill records is greater than the preset number and the proportion of the wireless side quality difference service call bill records to all the XDR records in the XDR call bill is greater than a sixth preset threshold value, determining the LTE user as an Internet access unsatisfied user.
Preferably, after the XDR record is determined as the wireless side poor quality service ticket record, the poor quality reason can be further located by combining KPIs (Key Performance Indicators) of the cell occupied by the user. For example, table 1 is a specific example of the correspondence between the values of the indicators in the KPI and the quality difference problem.
TABLE 1
Furthermore, according to the user dimensions of the whole network, branch companies, cells and manufacturers, the data aggregation calculation of the LTE user with unsatisfactory Internet surfing can be carried out according to the granularity of hours, days, weeks and the like, the service use perception of the LTE Internet surfing user is evaluated, potential complaint users are positioned, high-quality service cells are positioned, and the like.
An example of a full-web dimensional data formula is as follows:
the proportion of the number of the unsatisfied internet surfing users is equal to the number of the unsatisfied internet surfing users/the number of the internet surfing service users in the whole network.
An example of a cell dimension data formula is as follows:
the proportion of the number of the unsatisfied internet surfing users is equal to the number of the unsatisfied internet surfing users/the number of the community internet surfing service users.
The method for judging the network quality difference of the LTE user provided by the embodiment of the invention comprises the steps of collecting XDR (Deep packet inspection) call tickets generated by the LTE user during the internet access within a set time period by utilizing DPI (Deep packet inspection) equipment, extracting key field contents aiming at each XDR record in the XDR call tickets, judging whether the XDR record is the quality difference service call ticket record or not according to the key field contents, determining the quality difference type when the XDR record is determined to be the quality difference service call ticket record, and judging whether the XDR record is the quality difference service call ticket record or not by combining the data flow, the service delay and other contents in the XDR record generated by the LTE user during the internet access compared with the prior art, the method is used for evaluating the Internet surfing perception of the LTE user, assisting the analysis of the Internet surfing problem reasons of the complaining user and the potential complaining user, positioning the perception difference reason, providing a basis for network optimization and the complaining analysis, and realizing the Internet surfing perception evaluation from the user level and quality difference judgment.
Based on the same inventive concept, the embodiment of the invention also provides a device for judging the poor internet access quality of the LTE user, and because the principle of solving the problems of the device for judging the poor internet access quality of the LTE user is similar to the method for judging the poor internet access quality of the LTE user, the implementation of the system can refer to the implementation of the method, and repeated parts are not repeated.
As shown in fig. 6, which is a schematic structural diagram of a device for determining poor network quality for an LTE user according to an embodiment of the present invention, the device may include:
the acquisition unit 31 is used for acquiring an XDR ticket generated by the Internet access of an LTE user within a set time period;
an extracting unit 32, configured to extract, for each XDR record in the XDR ticket, a content of a key field, where the key field includes a data flow, a TCP link establishment response delay, a TCP link establishment confirmation delay, a delay from a TCP link establishment success to a first transaction request, a delay of a first hyper text transfer protocol HTTP response packet, and a delay of a last HTTP content packet;
and the judging unit 33 is configured to determine the quality difference type when the XDR record is judged to be the quality difference service ticket record according to the key field content.
Preferably, the determining unit 33 is specifically configured to determine whether the data transmission rate is greater than a second preset threshold when it is determined that the data traffic is greater than a first preset threshold; if the data transmission rate is less than or equal to the second preset threshold, judging that the XDR record is a large packet rate poor quality service ticket record; if the data transmission rate is greater than the second preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold; if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, the XDR record is judged to be a quality difference service ticket record of the large packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the large packet wireless side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the large packet core side.
Preferably, the data traffic is uplink traffic or downlink traffic; the data transmission rate is an uploading rate or a downloading rate;
the determining unit 33 is specifically configured to determine that the XDR record is a large packet uplink rate poor quality service ticket record if the upload rate is less than or equal to the second preset threshold when the volume traffic is uplink traffic; and when the quantity flow is downlink flow, if the downloading rate is less than or equal to the second preset threshold, judging that the XDR record is a call ticket record of a large packet downlink rate poor quality service.
Optionally, the determining unit 33 is further configured to determine whether the total service delay is greater than a fifth preset threshold when it is determined that the data traffic is less than or equal to the first preset threshold; when the total service time delay is determined to be greater than the fifth preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold; if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, judging that the XDR records are quality difference service ticket records of a small packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the small wireless side; if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the packet core side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a service with poor quality of a small end-to-end problem.
Preferably, the uploading rate is determined by the uplink traffic and the time delay of the last HTTP content packet; the downloading rate is determined by the downlink flow and the time delay of the last HTTP content packet; the wireless side time delay is determined by the TCP link establishment confirmation time delay and the time delay from the TCP link establishment success to the first transaction request; the core side delay is determined by the TCP link establishment response delay and the first HTTP response packet delay; the total service delay is determined by the TCP link establishment response delay, the TCP link establishment confirmation delay, the delay from the TCP link establishment success to the first transaction request and the delay of the last HTTP content packet.
Optionally, the apparatus further comprises:
the statistical unit is used for counting the number of the quality difference service ticket records in the set time period;
and the determining unit is used for determining that the LTE user is an online unsatisfied user when the quantity of the poor quality service call ticket records is larger than a preset quantity and the proportion of the poor quality service call ticket records to all XDR records in the XDR call tickets is larger than a sixth preset threshold value.
Based on the same technical concept, an embodiment of the present invention further provides a communication device 400, and referring to fig. 7, the communication device 400 is configured to implement the method for determining the network quality difference of the LTE user described in the foregoing method embodiment, where the communication device 400 of this embodiment may include: a memory 401, a processor 402 and a computer program stored in the memory and executable on the processor, such as a network quality determination program for LTE users. When executing the computer program, the processor implements the steps in the above-described method embodiment for determining network quality difference for each LTE user, for example, step S11 shown in fig. 2. Alternatively, the processor, when executing the computer program, implements the functions of the modules/units in the above-described device embodiments, for example, 31.
The embodiment of the present invention does not limit the specific connection medium between the memory 401 and the processor 402. In the embodiment of the present application, the memory 401 and the processor 402 are connected by the bus 403 in fig. 7, the bus 403 is represented by a thick line in fig. 7, and the connection manner between other components is merely illustrative and is not limited thereto. The bus 403 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 7, but this is not intended to represent only one bus or type of bus.
The memory 401 may be a volatile memory (volatile memory), such as a random-access memory (RAM); the memory 401 may also be a non-volatile memory (non-volatile) such as, but not limited to, a read-only memory (rom), a flash memory (flash memory), a Hard Disk Drive (HDD) or a solid-state drive (SSD), or the memory 401 may be 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 401 may be a combination of the above memories.
The processor 402 is configured to implement the method for determining the network quality difference of the LTE user shown in fig. 2, and includes:
the processor 402 is configured to call the computer program stored in the memory 401 to execute step S11 shown in fig. 2, and collect an XDR ticket generated by an LTE user accessing the internet within a set time period; step S12, extracting key field content for each XDR record in the XDR call list; and step S13, when the XDR record is judged to be a quality difference service ticket record according to the key field content, determining the quality difference type.
The embodiment of the present application further provides a computer-readable storage medium, which stores computer-executable instructions required to be executed by the processor, and includes a program required to be executed by the processor.
In some possible embodiments, various aspects of the method for determining network quality difference of an LTE user provided by the present invention may also be implemented in the form of a program product, which includes program code, and when the program product runs on a communication device, the program code is configured to enable the communication device to perform the steps in the method for determining network quality difference of an LTE user according to various exemplary embodiments of the present invention described above in this specification, for example, the communication device may perform step S11 shown in fig. 2, and collect XDR tickets generated when the LTE user accesses the network within a set time period; step S12, extracting key field content for each XDR record in the XDR call list; and step S13, when the XDR record is judged to be a quality difference service ticket record according to the key field content, determining the quality difference type.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The program product for determining poor network quality for LTE users of embodiments of the present invention may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a computing device. However, the program product of the present invention is not limited in this regard and, in the present document, a 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.
A readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device over any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., over the internet using an internet service provider).
It should be noted that although several units or sub-units of the apparatus are mentioned in the above detailed description, such division is merely exemplary and not mandatory. Indeed, the features and functions of two or more of the units described above may be embodied in one unit, according to embodiments of the invention. Conversely, the features and functions of one unit described above may be further divided into embodiments by a plurality of units.
Moreover, while the operations of the method of the invention are depicted in the drawings in a particular order, this does not require or imply that the operations must be performed in this particular order, or that all of the illustrated operations must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (14)
1. A method for judging poor network access quality of an LTE user is characterized by comprising the following steps:
collecting an XDR ticket generated by the Internet access of an LTE user within a set time period;
extracting key field contents aiming at each XDR record in the XDR call list, wherein the key fields comprise data flow, transmission control protocol TCP link establishment response time delay, TCP link establishment confirmation time delay, time delay from TCP link establishment success to a first transaction request, time delay of a first hypertext transfer protocol HTTP response packet and time delay of a last HTTP content packet;
and when the XDR record is judged to be a quality difference service ticket record according to the key field content, determining a quality difference type.
2. The method according to claim 1, wherein when it is determined that the XDR record is a quality difference service ticket record according to the key field content, determining a quality difference type specifically comprises:
when the data flow is determined to be larger than a first preset threshold value, judging whether the data transmission rate is larger than a second preset threshold value;
if the data transmission rate is less than or equal to the second preset threshold, judging that the XDR record is a large packet rate poor quality service ticket record;
if the data transmission rate is greater than the second preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold;
if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, the XDR record is judged to be a quality difference service ticket record of the large packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the large packet wireless side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the large packet core side.
3. The method of claim 2, wherein the data traffic is upstream traffic or downstream traffic; the data transmission rate is an uploading rate or a downloading rate;
when the volume flow is an uplink flow, if the data transmission rate is less than or equal to the second preset threshold, determining that the XDR record is a large packet rate and poor quality service ticket record, specifically including:
if the uploading rate is less than or equal to the second preset threshold, judging that the XDR record is a call ticket record of a large packet uplink rate poor quality service;
when the quantity flow is downlink flow, if the data transmission rate is less than or equal to the second preset threshold, determining that the XDR record is a large packet rate and poor quality service ticket record, specifically including:
and if the downloading rate is less than or equal to the second preset threshold, judging that the XDR record is a call ticket record of the large packet downlink rate poor quality service.
4. The method of claim 2, further comprising:
when the data flow is determined to be less than or equal to a first preset threshold, judging whether the total service time delay is greater than a fifth preset threshold;
when the total service time delay is determined to be greater than the fifth preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold;
if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, judging that the XDR records are quality difference service ticket records of a small packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the small wireless side; if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the packet core side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a service with poor quality of a small end-to-end problem.
5. The method of claim 3, wherein the upload rate is determined by the upstream traffic and a latency of the last HTTP content packet; the downloading rate is determined by the downlink flow and the time delay of the last HTTP content packet; the wireless side time delay is determined by the TCP link establishment confirmation time delay and the time delay from the TCP link establishment success to the first transaction request; the core side delay is determined by the TCP link establishment response delay and the first HTTP response packet delay; the total service delay is determined by the TCP link establishment response delay, the TCP link establishment confirmation delay, the delay from the TCP link establishment success to the first transaction request and the delay of the last HTTP content packet.
6. The method of claim 1, further comprising:
counting the number of the quality difference service call bill records in the set time period;
and when the quantity of the quality difference service call ticket records is larger than the preset quantity and the proportion of the quality difference service call ticket records to all XDR records in the XDR call tickets is larger than a sixth preset threshold value, determining that the LTE user is an online unsatisfied user.
7. The utility model provides a poor decision maker of network quality on LTE user which characterized in that includes:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring an XDR ticket generated by the Internet access of an LTE user within a set time period;
an extraction unit, configured to extract, for each XDR record in the XDR ticket, a content of a key field, where the key field includes a data flow, a TCP link establishment response delay, a TCP link establishment confirmation delay, a delay from a TCP link establishment success to a first transaction request, a delay of a first HTTP response packet, and a delay of a last HTTP content packet;
and the judging unit is used for determining the quality difference type when the XDR record is judged to be the quality difference service ticket record according to the key field content.
8. The apparatus of claim 7,
the determining unit is specifically configured to determine whether the data transmission rate is greater than a second preset threshold when it is determined that the data traffic is greater than a first preset threshold; if the data transmission rate is less than or equal to the second preset threshold, judging that the XDR record is a large packet rate poor quality service ticket record; if the data transmission rate is greater than the second preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold; if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, the XDR record is judged to be a quality difference service ticket record of the large packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the large packet wireless side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the large packet core side.
9. The apparatus of claim 8, wherein the data traffic is upstream traffic or downstream traffic; the data transmission rate is an uploading rate or a downloading rate;
the determining unit is specifically configured to determine that the XDR record is a large packet uplink rate poor quality service ticket record if the upload rate is less than or equal to the second preset threshold when the volume traffic is uplink traffic; and when the quantity flow is downlink flow, if the downloading rate is less than or equal to the second preset threshold, judging that the XDR record is a call ticket record of a large packet downlink rate poor quality service.
10. The apparatus of claim 8,
the judging unit is further configured to judge whether the total service delay is greater than a fifth preset threshold when it is determined that the data traffic is less than or equal to the first preset threshold; when the total service time delay is determined to be greater than the fifth preset threshold, judging whether the time delay of the wireless side is greater than a third preset threshold and whether the time delay of the core side is greater than a fourth preset threshold; if the time delay of the wireless side is greater than the third preset threshold value and the time delay of the core side is greater than the fourth preset threshold value, judging that the XDR records are quality difference service ticket records of a small packet wireless side and the core side; if the time delay of the wireless side is greater than the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a quality difference service of the small wireless side; if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is greater than the fourth preset threshold, judging that the XDR record is a quality difference service ticket record of the packet core side; and if the time delay of the wireless side is less than or equal to the third preset threshold and the time delay of the core side is less than or equal to the fourth preset threshold, judging that the XDR record is a call ticket record of a service with poor quality of a small end-to-end problem.
11. The apparatus of claim 9, wherein the upload rate is determined by a latency of the upstream traffic and the last HTTP content packet; the downloading rate is determined by the downlink flow and the time delay of the last HTTP content packet; the wireless side time delay is determined by the TCP link establishment confirmation time delay and the time delay from the TCP link establishment success to the first transaction request; the core side delay is determined by the TCP link establishment response delay and the first HTTP response packet delay; the total service delay is determined by the TCP link establishment response delay, the TCP link establishment confirmation delay, the delay from the TCP link establishment success to the first transaction request and the delay of the last HTTP content packet.
12. The apparatus of claim 7, further comprising:
the statistical unit is used for counting the number of the quality difference service ticket records in the set time period;
and the determining unit is used for determining that the LTE user is an online unsatisfied user when the quantity of the poor quality service call ticket records is larger than a preset quantity and the proportion of the poor quality service call ticket records to all XDR records in the XDR call tickets is larger than a sixth preset threshold value.
13. A communication device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor implements the method for determining network quality on an LTE user according to any of claims 1 to 6 when executing the program.
14. A computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements the steps in the method for determining network quality difference for LTE users according to any of claims 1-6.
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| WO2024046464A1 (en) * | 2022-09-02 | 2024-03-07 | 中兴通讯股份有限公司 | Xdr generation method and device, and computer readable medium |
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