CN102984212A - Mobile QQ air interface occupying period calculation method based on dot per inch (DPI) and through conservation of amount of information in general packet radio service (GPRS) environment - Google Patents
Mobile QQ air interface occupying period calculation method based on dot per inch (DPI) and through conservation of amount of information in general packet radio service (GPRS) environment Download PDFInfo
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- 241000209094 Oryza Species 0.000 claims description 30
- 235000007164 Oryza sativa Nutrition 0.000 claims description 30
- 235000021186 dishes Nutrition 0.000 claims description 30
- 235000009566 rice Nutrition 0.000 claims description 30
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Abstract
A mobile QQ air interface occupying period calculation method based on dot per inch (DPI) and through conservation of the amount of information in a general packet radio service (GPRS) environment is realized by adding a novel entity between a gateway GPRS support node (GGSN) and a service GPRS supporting node (SGSN) on existing network architecture. Two traditional methods, namely carrying out a drive test (DT) in an air interface and querying base station equipment (both the methods have drawbacks), can be used for acquiring information about air interface resources occupied by a mobile internet user. Currently, most operators build mobile core network DPI systems already; under the premise that no DT instrument is used or a base station resource query function is opened, with the aid of the core network DPI systems built by the operators already, by utilizing acquired application information amount of all core networks, through the DPI technology, with the aid of conservation law of the amount of information, a system can calculate the amount of information carried by the air interface; and then based on a standard rate of GPRS timeslots, the system can calculate air interface resources needed for transmitting the amount of information. Through the calculation method, GPRS air interface resource occupying conditions can be simply, conveniently and quickly calculated so that building cost of an air interface resource monitoring system can be significantly reduced.
Description
Technical field
The invention describes a kind of under the GPRS environment, by the method for DPI technology and application message amount law of conservation, simple and fast obtain mobile QQ takies the duration situation to interface-free resources computational methods.The method is not being used any drive test instrument, or under the prerequisite of open base station resource query function, only by the DPI technology, by application message amount law of conservation, the application message amount of the side of namely eating dishes without rice or wine is identical with the application message amount of core-network side, the application message amount that collects according to core net cleverly calculates the amount of information that the side of eating dishes without rice or wine is carried, and then the standard speed according to the GPRS time slot calculates the shared interface-free resources duration of these amount of information of transmission.This method is applicable to need in all GRPS networks to add up the scene that mobile QQ interface-free resources takies duration.
Background technology
Along with the sharp increase of mobile QQ customer volume, it becomes the subject matter that mobile Internet is optimized to taking of GPRS bandwidth resources.Eat dishes without rice or wine as important interface, more become the focus of mobile QQ resource occupation research.Operator generally takes following two kinds of conventional methods to obtain the situation that mobile QQ takies interface-free resources.One of method is by carrying out drive test in the side of eating dishes without rice or wine, thereby obtains the situation that interface-free resources takies.This method only can the drive test sampling obtain partial information on the one hand, needs on the other hand a large amount of tester's outdoor works, takes time and effort, and more crucial is to obtain the interface-free resources that this application-specific of mobile QQ consumes.Two of conventional method is by the inquiry base station equipment, obtain the interface-free resources occupied information, but this method only is fit to use under specific circumstances, because the base station side load is very heavy, can't bear a large amount of query manipulations, this method also can't be obtained the interface-free resources Expenditure Levels of this application-specific of mobile QQ simultaneously.
Built mobile core network DPI (deep-packet detection) system that established in most of operation commercial city takies situation if can extrapolate interface-free resources by the core net monitoring system at present, will greatly reduce the monitoring system construction cost.The mobile core network DPI system that has built well by operator, by projectional technique described in the present invention, the simple and efficient duration situation that takies of extrapolating mobile QQ interface-free resources.
Summary of the invention:
Technical problem: the objective of the invention is the mobile core network DPI system that built well by operator, by the DPI technology, by application message amount law of conservation, the application message amount of the side of namely eating dishes without rice or wine is identical with the application message amount of core-network side, do not using any drive test instrument, or under the prerequisite of open base station resource query function, the application message amount that collects according to core net calculates the amount of information that the side of eating dishes without rice or wine is carried, and then the standard speed according to the GPRS time slot calculates the shared duration of eating dishes without rice or wine of these amount of information of transmission.
Technical scheme: the present invention as shown in Figure 1, has proposed a kind of framework in the Information Monitoring of core net Gn mouth, as shown in Figure 2 on the framework of information is eated dishes without rice or wine in existing eating dishes without rice or wine/base station side collection.As seen, on existing framework, by the drive test instrument, the mode obtaining information of artificial training in rotation, bothersome effort, and the collection of can only sampling, what obtain is the information of part; If inquire about at base station equipment, will increase load of base station, thereby have influence on regular traffic, and the base station do not preserve this type of information, also need provisional configuration.If adopt at the eat dishes without rice or wine framework of information of core net Gn mouth collection, the collection point is single, dispose simply, so that construction cost reduces greatly, it can gather comprehensively in addition, cover the whole network, information completely, in parallel by bypass, can not have influence on the Network operation, and need not human assistance, all calculated by software and algorithm.
Accompanying drawing 3 has provided system's composition that this method is used, and as seen from the figure at the newly-increased related device of Gn mouth, comprises that flow information gathers entity, DPI analysis entities, hind computation entity and information storage entity.Each several part entity practical function is as follows:
Provided in addition mobile QQ amount of information among the figure from the process of the core-network side of eating dishes without rice or wine, be described below:
1, mobile phone terminal internet activates PDP and connects, and begins to initiate the link setup request;
2, core net PDSN/GSN device activation PDP connects, and is responsible for mobilephone terminal user and sets up the PDP connection;
3, mobile QQ amount of information is sent to core net from terminal.
The key method of this paper is by the DPI technology, by the amount of information law of conservation, the application message amount of the side of namely eating dishes without rice or wine is identical with the application message amount of core net, application message amount according to the core net that collects, calculate the amount of information that the side of eating dishes without rice or wine is carried, then according to the standard speed of GPRS time slot, calculate and transmit the required interface-free resources of these amount of information.
Accompanying drawing 4 has provided professional concrete communication process.Idiographic flow is described below:
1, mobile QQ on the mobile phone terminal, terminal in the air protocol stack, also namely adds information necessary in the air protocol stack with mobile QQ amount of information packet encapsulation, then is sent to RAN equipment by eating dishes without rice or wine;
2, RAN equipment decapsulation, the section of decaptitating stays clean nuclear, and namely then mobile QQ application message amount adds the RAN protocol stack, issues equipment of the core network;
3, equipment of the core network PDSN/GSN equipment is untied the RAN protocol stack, then adds the core network protocols stack, such as GTP/TCP/IP etc., transmits to the Internet.
By this Business Process Analysis as can be known, mobile QQ is equal to the amount of information of core-network side in the amount of information of eating dishes without rice or wine to transmit.Accompanying drawing 5 has provided concrete passing through and has added newly added equipment at the Gn mouth, calculates the situation that mobile QQ takies interface-free resources.Circular is described below among the figure:
1, gathers entity by flow information and gather all mobile Internet groupings;
2, utilize the DPI analysis entities, identify the grouping of the mobile QQ in the mobile Internet grouping information that collects by the DPI technology, its condition code is grouping first byte " 0x02 ", and last byte is " 0x03 ";
3, in the hind computation entity, calculate all total flow Q1 that move QQ (comprising protocol headers, for example GTP/TCP/IP) and grouping number PN;
4, definition equipment of the core network Gn mouth protocol stack head total length is Q2, Q2=L-GTP+8+20+14, and wherein L-GTP is that GTP protocol headers length is (variable, but can from GTP packet header, obtain the GTP head length), 8 refer to the UDP head length, and 20 is IP packet protocol length, and 14 is mac frame length;
5, definition air protocol stack head total length is Q3; Defining the transmission rate of eating dishes without rice or wine is CS kbps;
6, the shared duration of eating dishes without rice or wine of the mobile QQ of definition is T;
7, then the shared duration of eating dishes without rice or wine of mobile QQ satisfies following formula:
T=ROUND[((Q1-Q2*PN)+Q3*PN)/and CS], wherein ROUND is bracket function
Description of drawings
Fig. 1 is the eat dishes without rice or wine network architecture of information of existing eating dishes without rice or wine/base station side collection.Traditional collection is eated dishes without rice or wine one of the method for information for to test Information Monitoring by the drive test instrument.Other method is exactly in the base station side provisional configuration, thereby carries out information inquiry.
Fig. 2 is in the eat dishes without rice or wine network architecture of information of core net gn interface collection.Only need to access relevant device and get final product between SGSN and GGSN, the collection point is single, disposes simple.
Fig. 3 is that the eat dishes without rice or wine system of information of core net gn interface collection forms.Between SGSN and GGSN, increase device among the figure newly, be respectively flow information and gather entity, DPI analysis entities, hind computation entity and information storage entity.
Fig. 4 is that mobile QQ business is from the amount of information modified flow of the core net of eating dishes without rice or wine.Hence one can see that, and mobile QQ is equal to the amount of information of core-network side in the amount of information of eating dishes without rice or wine to transmit.
Fig. 5 is the procedure chart of newly-increased entity handles information.Derive the situation that mobile QQ takies interface-free resources by corresponding principle.
Embodiment
On existing framework, the newly-increased device of (gn interface) access is respectively flow information and gathers entity, DPI analysis entities, hind computation entity and information storage entity between SGSN and GGSN.Operator has built flow information and has gathered entity at present, and this entity can collect all mobile Internet grouping informations; The DPI analysis entities is packet to be carried out DPI analyze, and obtains the amount of information of mobile QQ; And the backstage computational entity is exactly to calculate the situation that interface-free resources takies by above-mentioned described method; Information storage entity storage interface-free resources occupied information.
Claims (4)
1. the mobile QQ interface-free resources based on DPI and application message amount conservation takies the duration calculation method under the GPRS environment, it is characterized in that: provide that the mobile QQ interface-free resources based on DPI and application message amount conservation takies the duration calculation method under a kind of GPRS environment, utilize the application message amount of all core net that collect, by the DPI technology, by the amount of information law of conservation, the application message amount of the side of namely eating dishes without rice or wine is identical with the application message amount of core net, thereby can extrapolate the amount of information that the side of eating dishes without rice or wine is carried, then according to the standard speed of GPRS time slot, calculate and transmit the required interface-free resources of these amount of information.
2. mobile QQ interface-free resources based on DPI and application message amount conservation takies the duration calculation method under a kind of GPRS environment according to claim 1, it is characterized in that gathering entity by flow information gathers all mobile Internet groupings, utilize the DPI analysis entities, identify the grouping of the mobile QQ in the mobile Internet grouping information that collects by the DPI technology, its condition code is grouping first byte " 0x02 ", and last byte is " 0x03 ".
3. mobile QQ interface-free resources based on DPI and application message amount conservation takies the duration calculation method under a kind of GPRS environment according to claim 1, it is characterized in that in the hind computation entity calculating all total flow Q1 that move QQ (comprising protocol headers, for example GTP/TCP/IP) and grouping number PN.
4. mobile QQ interface-free resources based on DPI and application message amount conservation takies the duration calculation method under a kind of GPRS environment according to claim 1, it is characterized in that
● definition equipment of the core network Gn mouth protocol stack head total length is Q2, Q2=L-GTP+8+20+14, and wherein L-GTP is that GTP protocol headers length is (variable, but can from GTP packet header, obtain the GTP head length), 8 refer to the UDP head length, and 20 is IP packet protocol length, and 14 is mac frame length;
● definition air protocol stack head total length is Q3; Defining the transmission rate of eating dishes without rice or wine is CS kbps;
● defining the shared duration of eating dishes without rice or wine of mobile QQ is T;
The duration of eating dishes without rice or wine that then mobile QQ is shared is:
T=ROUND[((Q1-Q2*PN)+Q3*PN)/and CS], wherein ROUND is bracket function.
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| CN 201210439338 CN102984212A (en) | 2012-11-02 | 2012-11-02 | Mobile QQ air interface occupying period calculation method based on dot per inch (DPI) and through conservation of amount of information in general packet radio service (GPRS) environment |
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| CN 201210439338 CN102984212A (en) | 2012-11-02 | 2012-11-02 | Mobile QQ air interface occupying period calculation method based on dot per inch (DPI) and through conservation of amount of information in general packet radio service (GPRS) environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015172357A1 (en) * | 2014-05-15 | 2015-11-19 | 华为技术有限公司 | Detection apparatus and method for determining air-interface resource consumed by service |
| CN105323785A (en) * | 2014-06-04 | 2016-02-10 | 中国移动通信集团广东有限公司 | Method and device for determining time-domain characteristic of network |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015172357A1 (en) * | 2014-05-15 | 2015-11-19 | 华为技术有限公司 | Detection apparatus and method for determining air-interface resource consumed by service |
| KR101857515B1 (en) | 2014-05-15 | 2018-05-14 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Detection apparatus and method for determining air-interface resource consumed by service |
| US10003988B2 (en) | 2014-05-15 | 2018-06-19 | Huawei Technologies Co., Ltd. | Detecting apparatus and method for determining air interface resources consumed by service |
| CN105323785A (en) * | 2014-06-04 | 2016-02-10 | 中国移动通信集团广东有限公司 | Method and device for determining time-domain characteristic of network |
| CN105323785B (en) * | 2014-06-04 | 2019-06-14 | 中国移动通信集团广东有限公司 | A kind of determination method and device of network session characteristic |
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