CN103096356A - Wireless network performance analysis method - Google Patents
Wireless network performance analysis method Download PDFInfo
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Abstract
The invention discloses an active association analysis method of end-to-end service quality and belongs to the field of mobile communication. The wireless network performance analysis method comprises the steps of collecting original signaling data, analyzing business information and network abnormal information in the collected original signaling data, associating the business information with the network abnormal information based on the analysis, and obtaining an analysis result of the wireless network performance. The wireless network performance analysis method analyses and positions influence of the wireless network performance on the service quality in allusion to a certain business process of a user, targeted analysis is conducted to the wireless network problems which influence the service quality and user sensing, enables optimization work to be more targeted, and enables optimization effect to be better embodied. Besides, association analysis can be conducted to an end-to-end service quality index and a wireless performance index, and influence degree of the wireless network performance on the service quality and the user sensing can be positioned.
Description
Technical field
The present invention relates to moving communicating field, particularly a kind of analytical method of wireless network performance.
Background technology
Be subject to the restriction of the present situations such as mobile network's technical development and the network architecture, wireless network remains one of bottleneck that affects the lifting of data service quality and fast development at present, and therefore optimizing the wireless network load-carrying properties is the important means that promote end-to-end data business quality and user perceptibility.Existing opposite end comprises to the analytical method flow process of end data quality of service and wireless network performance:
1, by gathering and resolve the original signaling in data network, the end to end performance indexs such as the success rate of data business, time delay, speed, data packet retransmission rate are added up by different agreement and type of service with the residential quarter dimension, filter out quality of service poor residential quarter;
2, for the poor residential quarter of quality of service, by means such as network element OMC performance statistics, webmaster statistics, active testings, the wireless issue (comprising the problems such as wireless coverage, resource, access) that these residential quarters exist is analyzed and optimized;
3, complete for the optimization of wireless network and adjustment after, in conjunction with the business end to end performance index of cell level and initiatively the testing result verify.
In above method, for end-to-end data business quality index and wireless network performance index, other is corresponding to related to be merely able to accomplish the statistics level, and can't analyze and the impact of positioned radio network performance on quality of service and user awareness for certain business use procedure of user.Quantitative analysis facts have proved greatly, and other statistics of NE-level is not enough to accurately reflect end-to-end QoS and user awareness.Therefore, be necessary to provide the active correlation analytical method of a kind of wireless network performance and end-to-end QoS, network process and two aspects of user's business of networking statistic of attribute realize that wireless network performance is on the impact of quality of service and user awareness from user's single.
Summary of the invention
For the defective that exists in prior art, the purpose of this invention is to provide a kind of analytical method of wireless network performance, be used for realizing the active correlation analysis of end-to-end QoS.
For reaching above purpose, the technical solution used in the present invention is:
A kind of active correlation analytical method of end-to-end QoS comprises the following steps:
Gather original signaling data, the business information in the original signaling data that collects and Network Abnormal information are resolved, based on described parsing, business information and Network Abnormal information are carried out related, obtain the analysis result of wireless network performance.
the present invention is by collection and parsing to the original signaling of mobile data network Gb Interface, hierarchical structure according to Gb Interface from the application layer to the physical link layer, carry out related with the bottom exceptional signaling message of reflection wireless network performance the application layer service message of user in a business use procedure, generate complete user's internet records, and set up the active of end-to-end QoS and wireless network performance based on this, objective incidence relation, realized analyzing and the impact of positioned radio network performance on the quality of service user awareness for certain business procedure of user, the radio network problems that affects quality of service and user awareness is analyzed targetedly, make Optimization Work have more specific aim, effect of optimization is embodied better, can end-to-end QoS index and wireless performance index be carried out association analysis based on user's internet records in addition, the influence degree of positioned radio network performance to quality of service and user awareness.
Description of drawings
The analytical method flow chart of the wireless network performance that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 be in the embodiment of the present invention based on the whole network user's service-aware index and the abnormal correlation analysis schematic diagram of wireless network.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
the embodiment of the present invention is by collection and parsing to the original signaling of mobile data network Gb Interface, hierarchical structure according to Gb Interface from the application layer to the physical link layer, carry out related with the bottom exceptional signaling message of reflection wireless network performance the application layer service message of user in a business use procedure, generate complete user's internet records, and set up the active of end-to-end QoS and wireless network performance based on this, objective incidence relation, realized analyzing and the impact of positioned radio network performance on the quality of service user awareness for certain business procedure of user, the radio network problems that affects quality of service and user awareness is analyzed targetedly, make Optimization Work have more specific aim, effect of optimization is embodied better, can end-to-end QoS index and wireless performance index be carried out association analysis based on user's internet records in addition, the influence degree of positioned radio network performance to quality of service and user awareness.
As shown in Figure 1, the present embodiment provides a kind of analytical method of wireless network performance, comprising:
Wherein, business information is resolved and is comprised:
1, Attach(adheres to) the flow process parsing.The main purpose of resolving the Attach flow process is to obtain user's IMEI(International Mobile Equipment Identity identification code) and IMSI(international mobile subscriber identity code) sign: to GMM(GPRS Network Mobility management in the original signaling of Gb Interface) layer type of message be that the signaling (Authentication Response) of 0x13 is resolved, the IMEI that obtains the user identifies (intercepting the 9th～20 byte of GMM layer of this message); The signaling (Attach acceptance) that GMM layer type of message in the original signaling of Gb Interface is 0x02 is resolved, obtain user's IMSI sign (intercepting two bytes of BSSGP layer 0d88 the 1st～8 byte backward of this message).
2, the PDP activation process is resolved.The main purpose of resolving the PDP activation process is to obtain user's IMSI sign (obtaining respectively IMSI is in order to carry out related with this flow process the Attach flow process), TLLI(TLLI) and the user IP address of using when surfing the Net: to SM(session management in the original signaling of Gb Interface) a layer type of message resolve as the signaling (PDP acceptance) of 0x42, the IMSI that obtains the user identifies (intercepting two bytes of BSSGP layer 0d88 the 1st～8 byte backward of this message); The signaling (PDP activates acceptance) that SM layer type of message in the original signaling of Gb Interface is 0x42 is resolved, obtain the IP address (intercepting in this message from two bytes of 2b06 the 3rd to～6 byte backward) of user's online; The signaling (PDP activates acceptance) that SM layer type of message in the original signaling of Gb Interface is 0x42 is resolved, obtain user TLLI sign (intercepting the 2nd to～5 byte of this message BSSGP sublayer).
3, HTTP online flow process is resolved.The main purpose of resolving HTTP online flow process is the key messages such as beginning and ending time of obtaining user's online, IP address, flow.at first identify the message (HTTP Post or HTTP Get request) of carrying 504f or 4,745 two successive bytes, and record the message time point, as the time started of user's business of networking, then obtain the IP address (intercepting is from 4,500 two bytes the 11st～14 byte backward) of user's online in the original signaling of HTTP Post or HTTP Get request, obtaining respectively the IP address is for two flow processs are carried out association, at last the TCP fragment packets of all transmission in the upper network process of HTTP (is with loaded TCP bag, still have remainder bytes after byte f8 byte) resolve, record the SequenceNumber(sequence of data packet number of last TCP fragment packets (PSH of TCP floor is labeled as 1 packet)), the service ending time point that to surf the Net as the user to the time point of the confirmation message of this bag (Acknowledgement number packet is confirmed number TCP ACK bag identical with the SequenceNumber of TCP fragment packets), and analyze between start time point and concluding time point, it is the up/down row IP flow that transmits in user's upper network process, the packet sum, the retransmission packet number.
The Network Abnormal information analysis comprises:
Exceptional signaling message to Gb Interface BSSGP layer is resolved, and needs the message of parsing as shown in table 1:
Table 1
Message in table 1 is all the abnormal message of reflection wireless network, concrete abnormal cause corresponding to each message has clear and definite protocol specification to explain, learn that by association in the upper network process of which user, wireless network to have occured abnormal if obtain this part information spinner, surf the Net of poor quality because wireless network performance causes in order to locate which user.
The embodiment of the present invention is resolved based on above-mentioned business information and the Network Abnormal information analysis obtains respectively user's internet behavior information and wireless network abnormal information, identify this two parts information association based on TLLI, and generate complete user's internet records, can analyze due to the impact of radio network problems on end-to-end QoS and user awareness based on user's internet records
1, network process on user's single is analyzed, generated user's internet records.User's single online process analysis procedure analysis refers to that going up for the user Network Abnormal phenomenon that occurs in the service-aware index of network process and upper network process each time carries out association analysis, locates the poor reason of customer service perception each time.
The user's internet records that generates is as shown in table 2:
Table 2
As shown in table 2, user's internet records is the result with the upper network process of user and Network Abnormal information association, the the 5th and the 15th field by table 2, can service condition and the speed that the user goes up network process each time be judged, the 20th～24 field by upper table, can the Network Abnormal that occur in the upper network process of user be judged (if 20～24 fields for empty, illustrate that in the customer service use procedure, network performance is without abnormal).
Detailed description about the 20th～24 field is as shown in table 3:
Table 3
2, the perception of the whole network customer service and Network Abnormal correlation are analyzed.Can generate all data service users' of the whole network online detail record based on the method to user's single online process analysis procedure analysis, and recorded the wireless network abnormal information in the business procedure each time due to each user, therefore can carry out user's service-aware index and the abnormal correlation analysis of wireless network based on the whole network user's internet records, as shown in Figure 2.
Fig. 2 has shown the correlation analysis (transverse axis represent wireless connections lose number of times, the longitudinal axis represent user unloading speed) of user unloading speed (field 15) with wireless connections loss number of times (field 20), can find out the decline along with user unloading speed, wireless connections are lost number of times and be there is no obvious increase, illustrate that correlation is not high between the two, so the wireless coverage problem is not the subject matter that affects the whole network service-aware.Formula wherein is based on polynomial correlation function, can reflect the incidence relation of two indexs in Fig. 2.
Utilize above method, can also carry out the correlation analysis of other service-aware indexs and Network Abnormal, find out the main network bottleneck that affects user awareness, carry out targetedly selective analysis, instruct carrying out of network optimization work.
In the prior art scheme, the user's internet records that generates after original signaling Network Based is resolved includes only the key message that user IMSI, IMSI, TLLI, upper netting index flow, online duration, upper net state etc. react user and business, but lacks the key message of reaction network performance.And in the scheme of the present embodiment, by user's TLLI sign, the information of user, network, three dimensions of business is carried out active correlation accurately and effectively, the incomplete problem of user's internet records information that provides in the prior art scheme has been provided.The complete user's internet records that provides in the scheme of the present embodiment, not only support the analysis to quality of service, also can support by the abnormal information of wireless network, the poor reason of quality of service to be carried out deeper location, effectively improve and optimized efficient and the accuracy of analyzing.
Based on user's internet records, generate the related statistical report form that subzone network anomaly statistics and quality of service are added up, solved in the prior art scheme the not correspondence problem of quality of service statistical indicator and network performance statistical indicator.Except supporting also to support to find out by the user class statistics correlation of radio network problems and user awareness, and instruct with this and carry out the network optimization by on the impact of user's single internet behavior positioned radio network on quality of service.
Compared with prior art, there is following technological merit in the present embodiment:
For user's the network process of going up each time, except can recording user information and business information, go back record support Network Abnormal information, realized the association of user, network, business information;
For quality of service and the poor problem of user awareness that radio network problems causes, support location fast, in the safeguard work effect, the efficient that has greatly improved network analysis and effectively worked;
Based on the data statistics of user class, can realize the association analysis of network performance index and quality of service index, find out the network bottleneck that affects quality of service, instruct carrying out of radio network optimization work.
Method of the present invention is not limited to the embodiment described in embodiment, and those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to equally technological innovation scope of the present invention.
Claims (7)
1. the analytical method of a wireless network performance, is characterized in that, comprises the following steps:
Gather original signaling data, the business information in the original signaling data that collects and Network Abnormal information are resolved, based on described parsing, business information and Network Abnormal information are carried out related, obtain the analysis result of wireless network performance.
2. the analytical method of wireless network performance according to claim 1, is characterized in that, the described method that business information is resolved comprises:
The Attach flow process is adhered in parsing, resolves and activates the PDP flow process and resolve HTTP online flow process.
3. the analytical method of wireless network performance according to claim 2, is characterized in that, the method for described parsing Attach flow process specifically comprises:
The signaling that GPRS network mobile management GMM layer type of message in the original signaling of Gb Interface is 0x13 is resolved, and the 9th to 20 byte of intercepting GMM layer obtained user's International Mobile Equipment Identity identification code IMEI sign; The signaling that GMM layer type of message in the original signaling of Gb Interface is 0x02 is resolved, and intercepting GPRS base station sub-system two bytes of agreement BSSGP layer 0d88 the 1st to 8 byte backward obtained user's international mobile subscriber identity code IMSI sign.
4. the analytical method of wireless network performance according to claim 3, is characterized in that, the method that described parsing activates the PDP flow process specifically comprises:
The signaling that session management SM layer type of message in the original signaling of Gb Interface is 0x42 is resolved, and intercepting two bytes of BSSGP layer 0d88 the 1st to 8 byte backward obtained user's IMSI sign; The signaling that SM layer type of message in the original signaling of Gb Interface is 0x42 is resolved, and the IP address of user's online is obtained in intercepting from two bytes of 2b06 the 3rd to 6 byte backward; The signaling that SM layer type of message in the original signaling of Gb Interface is 0x42 is resolved, and the 2nd to 5 byte of intercepting BSSGP sublayer obtained user's TLLI TLLI.
5. the analytical method of wireless network performance according to claim 4, is characterized in that, the method for described parsing HTTP online flow process specifically comprises:
Identify the message of carrying 504f or 4,745 two successive bytes, and record the message time point, as the time started of user's business of networking; The IP address of user's online is obtained in intercepting from 4,500 two bytes the 11st to 14 byte backward in the original signaling of HTTP Post or HTTP Get request; TCP fragment packets to all transmission in the upper network process of HTTP is resolved, record the sequence of data packet number of last TCP fragment packets, will be to the time point of the confirmation message of this bag service ending time point as user's online, and analyze between start time point and concluding time point up/down row IP flow, packet sum and retransmission packet number that the user is transmitted.
6. the analytical method of wireless network performance according to claim 5, is characterized in that, the described method that Network Abnormal information is resolved specifically comprises: the exceptional signaling message to Gb Interface BSSGP layer is resolved.
7. the analytical method of wireless network performance according to claim 6, is characterized in that, the described method that obtains the analysis result of wireless network performance specifically comprises:
Network process on user's single is analyzed, generated user's internet records; Based on the analysis of network process on user's single being generated all data service users' of the whole network internet records, carry out user's service-aware index and the abnormal correlation analysis of wireless network based on the whole network user's internet records.
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| CN105451257A (en) * | 2015-12-04 | 2016-03-30 | 中国联合网络通信集团有限公司 | Data business problem locating method and device |
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| CN107404728A (en) * | 2016-05-18 | 2017-11-28 | 中国移动通信集团江苏有限公司 | A kind of method and device of network problem positioning |
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| CN110120883B (en) * | 2018-02-07 | 2023-01-13 | 中国移动通信有限公司研究院 | Method and device for evaluating network performance and computer readable storage medium |
| CN110120883A (en) * | 2018-02-07 | 2019-08-13 | 中国移动通信有限公司研究院 | A kind of method, apparatus and computer readable storage medium for assessing network performance |
| CN110557760A (en) * | 2018-05-30 | 2019-12-10 | 智观诚通讯科技(昆山)有限公司 | Wireless network transmission method, server and system based on deep learning |
| CN112399448A (en) * | 2020-11-18 | 2021-02-23 | 中国联合网络通信集团有限公司 | Wireless communication optimization method and device, electronic equipment and storage medium |
| CN112399448B (en) * | 2020-11-18 | 2024-01-09 | 中国联合网络通信集团有限公司 | Wireless communication optimization method and device, electronic equipment and storage medium |
| WO2022143520A1 (en) * | 2020-12-31 | 2022-07-07 | 维沃移动通信有限公司 | Cell switching method and apparatus, and user equipment |
| CN113079532A (en) * | 2021-04-07 | 2021-07-06 | 恒安嘉新（北京）科技股份公司 | Data service disconnection frequency analysis method, device, equipment and storage medium |
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Application publication date: 20130508 |