WO2006041243A1 - Systeme et procede pour mesurer la qualite d'un service de transmission de donnees - Google Patents

Systeme et procede pour mesurer la qualite d'un service de transmission de donnees Download PDF

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Publication number
WO2006041243A1
WO2006041243A1 PCT/KR2005/000675 KR2005000675W WO2006041243A1 WO 2006041243 A1 WO2006041243 A1 WO 2006041243A1 KR 2005000675 W KR2005000675 W KR 2005000675W WO 2006041243 A1 WO2006041243 A1 WO 2006041243A1
Authority
WO
WIPO (PCT)
Prior art keywords
data service
service quality
transaction
measurement system
transactions
Prior art date
Application number
PCT/KR2005/000675
Other languages
English (en)
Inventor
Byoung Young Son
Original Assignee
Upresto, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Upresto, Inc. filed Critical Upresto, Inc.
Publication of WO2006041243A1 publication Critical patent/WO2006041243A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/14—Network analysis or design
    • H04L41/142—Network analysis or design using statistical or mathematical methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters

Definitions

  • the present invention relates to a data service, quality measurement system in a mobile communication network, and more particularly, to a data service quality measurement system for automatically measuring data service quality by using log information on entire calls requesting a data service in a mobile communication network.
  • a data service quality in a mobile communication network depends on a connection time, a usage time, and a network disconnection rate.
  • a high quality data service can be obtained by reducing the connection time and the usage time and minimizing the network disconnection rate.
  • As a criterion for measuring the data service quality there are a data service first impression time, an inter-menu switching time, a content; download time, throughput, and so on.
  • the data service first impression time denotes a time interval from the time that a user tries to connect a terminal with a network by using a shortcut button or a menu to the time that an initial window is completely loaded on the display screen of the connected terminal.
  • the first connection time includes the time that all the connections in individual sections from the terminal through a switching system to a service provider sever are established and the time that real data as an initial window are completely transmitted as an initial window to the terminal. Therefore, the first impression time is an important criterion for measuring the optimization in the data service network.
  • the inter-menu switching time denotes a time interval from the time that the user connecting with the data service network selects a specific menu to the time that the associated page is newly loaded on the display screen of the terminal.
  • An average inter-menu switching time is a time interval taken to search and reach specific contents. In addition to the first impression time, the average inter-menu switching time is an important criterion for measuring a user-perceiving quality.
  • the user-perceiving quality for data communication service is determined by a time interval that the user waits for a desired service.
  • the time interval determining the user-perceiving quality includes a first impression time, a page loading time, and a content download time.
  • any accurate measurement for the user-perceiving quality has not been made in the data communication service of the mobile communication terminal.
  • the user-perceiving quality may deteriorate.
  • Table 1 shows generally-proposed user-perceiving quality criteria which are classified according to data service types such as a text-based mobile browser, an image-based mobile browser, MMS, VOD, and a virtual machine based mobile application platform (for example, WiPi (Wireless Internet Platform for Interoperability) , BREW, Java, and GVM) .
  • data service types such as a text-based mobile browser, an image-based mobile browser, MMS, VOD, and a virtual machine based mobile application platform (for example, WiPi (Wireless Internet Platform for Interoperability) , BREW, Java, and GVM) .
  • WiPi Wireless Internet Platform for Interoperability
  • a testing person directly measures the measurement items listed in Table 1 by manually searching menus on the terminal and downloading specific contents to the terminal. Therefore, in the conventional measurement technique, the associated statistics are made not automatically but manually. Since the statistics are made manually, statistics cannot be obtained except for the sampled calls. Since the measurement items are manually and directly tested by the testing person, all the statistics are also inconveniently made manually. In addition, since the testing person counts time with a stopwatch, it is impossible to count time accurately with the stopwatch due to its error of about 1 second, and measure and analyze all the entire calls. In addition, since the measurement results vary depending on a test location, its weather, and a testing-person's usage pattern, it is difficult to generalize the user- perceiving quality.
  • a service failure or abnormal-quality call may often occur when a data communication service is provided to a mobile communication terminal.
  • a service failure or abnormal-quality call may often occur when a data communication service is provided to a mobile communication terminal.
  • the service failure or abnormal-quality call occurs, a separate failure analysis process is performed, and then, sampling and statistical processes are performed to determine a cause of the service failure or abnormal- quality call.
  • only the logs of the sampled calls are managed. Therefore, if a failure occurs at a specific non-sampled call, it is difficult to determine a cause of the failure accurately.
  • an object of the present invention is to provide a data service quality measurement system for automatically measuring a user-perceiving quality for data service in a mobile communication network.
  • another object of the present invention is to provide a data service quality measurement system for automatically measuring a data service quality in a mobile communication network, and analyzing a cause of abnormal-quality calls for disconnected and delayed services by using the measured data service quality to determine service quality deterioration factors, thereby stabilizing the network and providing optimized data service to users. Disclosure of the Invention
  • a data service quality measurement system for automatically measuring and analyzing data service quality criteria in a mobile communication network, comprising: a packet capture unit for capturing packets transmitted from or received into a service provider server; a transaction time detection unit for detecting transactions from the captured packets and extracting time information on the transactions; a transaction- content analysis unit for detecting transactions being contained in a single page on a display screen of the terminal from the detected transactions by the transaction time detection unit; and a service quality criteria generation unit for generating data service quality criteria page-by-page by using the time information on the transactions being contained in the single page.
  • the data service quality measurement system may further comprise a call connection management unit for detecting start and end times of the calls of requesting the data service by using the captured packets and determining call success and failure.
  • the data service quality measurement system may further comprise a transaction management unit for determining transaction success and failure of the transactions requested by the terminal by using the captured packets.
  • the transaction time detection unit may detect the time information on the only transaction determined as transaction success by the transaction management unit.
  • the data service quality measurement system may further comprise a statistics collection unit for measuring performance of the terminal, the service provider server, and the network by using the detected time information.
  • the transaction-content analysis unit may read out and analyze contents of the captured packets and detects the transactions contained in the single page.
  • a data service quality measurement system in a data service quality measurement system, all packets transmitted and received between a mobile terminal and a service provider server are captured, and the captured packets are analyzed, so that log information on the entire calls for the entire subscribers can be analyzed and the associated statistics information can be extracted.
  • log information on the entire calls for the entire subscribers can be analyzed and the associated statistics information can be extracted.
  • the time interval that transactions occur is automatically detected accurately in units of microseconds.
  • the log information on the entire calls is stored and managed, when service failure or abnormal-quality call occurs, the log information on the corresponding call is analyzed, so that it is possible to accurately determine a cause of the service failure or abnormal-quality call.
  • the cause of the service failure or abnormal-quality call is accurately determined, it is possible to prevent service failure in advance.
  • FIG. 1 shows ' a construction of a mobile communication network where a data service quality measurement system according to a preferred embodiment of the present invention is provided.
  • FIG. 2 is a schematic diagram of an internal construction of the data service quality measurement system according to the present invention.
  • FIG. 3 shows data flow between a terminal and a service provider server for one call in mobile communication network.
  • FIG. 1 shows the construction of a mobile communication network where the data service quality measurement system according to the preferred embodiment of the present invention is provided;
  • FIG. 2 is a schematic diagram of an internal construction of the data service quality measurement system according to the present invention;
  • FIG. 3 shows data flow between a terminal and a service provider server for one call in mobile communication network.
  • the data service quality measurement system captures packets transmitted and received from the wireless network and the service provider server. And the data service quality measurement system measures a data service quality by using time information extracted from the captured packets.
  • the data service quality measurement system according to the present invention comprises a packet capture unit 200, a call connection management unit 210, a transaction management unit 220, a transaction time detection unit 230, a transaction- content analysis unit 240, a service quality criteria generation unit 250, a statistics collection unit 260, and a log information storage unit 270.
  • FIG. 3 shows data flow between the terminal and the service provider server for one call in order to explain the operation of the data service quality measurement system according to the present invention.
  • the call setup processes include RF setup process, PPP setup process, DNS resolving process, and TCP setup process. After that, HTTP transaction process is performed.
  • the call setup processes are performed during a time interval "a" shown in FIG. 3.
  • the time interval Tl is a total request time for all the requests from the terminal to the server.
  • T2 is a time interval from a last request time point to a first response time point. Therefore, the time interval T2 corresponds to a response time of the server, so that it can be used as a server performance criterion.
  • the time interval T3 is a total response time of the server.
  • the time interval T4 is a response time of the terminal.
  • T5 is a time interval from a time point that a process on the first request is completed to a time point that the second request occurs. The time intervals T4 and T5 can be used as a terminal performance criterion.
  • the packet capture unit 200 captures the packets transmitted and received between the terminal and the service provider server in the network.
  • the transaction time detection unit 230 detects time information of the transactions by using the captured packets.
  • the time information includes data-transmission/reception request start and end times of the terminal and response start and end times of the service provider server.
  • the transaction time detection unit 230 detects the time intervals Tl to T5.
  • the transaction-content analysis unit 240 detects transactions (requested by the terminal) being contained in a single page (on a display screen of the terminal) from the captured packets. More specifically, the transaction-content analysis unit 240 reads out the contents of the captured packets and analyzes the transaction contents (written in HTML, WML, XML, or the like) from the captured packets to detect the transactions contained in the requested single page.
  • HTML HyperText Markup Language
  • image image
  • sound request transactions etc.
  • the user-perceiving quality depends on a total time from the start time to the end time of all the transactions contained in the single page.
  • the transaction-content analysis unit 240 detects the transaction contained in the single page, and the quality measurement criteria are measured by using the time information extracted from the detected transaction.
  • the service quality criteria generation unit 250 generates service quality criteria page-by-page by using the extracted time information.
  • the call connection management unit 210 monitors call setup and termination processes by using the captured packets to detect the start and end times of the calls for requesting the data service and determine call success and failure by using the detected information. If there is a call failure, the call connection management unit 210 analyzes a cause of the call failure. The transaction management unit 220 determines transaction success and failure for the transactions requested by the terminal by using the captured packets. If there is a transaction failure, the transaction management unit 220 analyzes a cause of the transaction failure. Preferably, the time information for the only transactions that are determined as transaction success by the transaction management unit 220 is detected by the transaction time detection unit 230.
  • the statistics collection unit 260 measures performance of the terminal, the service provider server, and the network by using the time information detected by the transaction time detection unit 230.
  • the log information storage unit 270 stores and manages the information on all the captured packets. Namely, the log information storage unit 270- stores log information on the entire calls.
  • the information items stored in the log information storage unit 270 include TCP transaction log information, TCP session information, and the like.
  • the component such as the transaction time detection unit for detecting the time information and the transaction content analysis unit for determining the transactions contained in the single page may be modified as a variety of forms in order to efficiently measure the user-perceiving quality. Therefore, the scope of the invention is defined not by the detailed description of the invention but by the appended claims, and all differences within the scope will be construed as being included in the present invention.
  • a data service quality measurement system can be used to measure a user- perceiving quality of data service
  • a data service quality measurement system can be used to prepare quality improvement means in the mobile communication network based on the measured user- perceiving quality of data service.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un système pour mesurer la qualité d'un service de transmission de données dans un réseau de communication mobile. Ce système de mesure, qui sert à mesurer et analyser automatiquement des critères de qualité d'un service de transmission de données dans un réseau de communication mobile, comprend : une unité d'acquisition de paquets qui est destinée à acquérir des paquets émis et reçus par un serveur fournisseur de service ; une unité de détection de temps de transaction qui sert à détecter des transactions à partir des paquets acquis, et à extraire des informations temporelles concernant les transactions détectées ; une unité d'analyse de contenu de transaction qui est conçue pour détecter des transactions figurant sur une page unique d'un écran d'affichage du terminal, à partir des transactions détectées par l'unité de détection de temps de transaction, et ; une unité de génération de critères de qualité de service qui sert à générer des critères de qualité de service de transmission de données, page par page, au moyen des informations temporelles concernant les transactions figurant sur ladite page unique. La présente invention permet ainsi de mesurer automatiquement la qualité d'un service de transmission de données dans un réseau de communication mobile.
PCT/KR2005/000675 2004-10-13 2005-03-10 Systeme et procede pour mesurer la qualite d'un service de transmission de donnees WO2006041243A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040081689A KR100643077B1 (ko) 2004-10-13 2004-10-13 이동 통신망에서의 데이터 서비스 품질 측정 시스템 및 그방법
KR10-2004-0081689 2004-10-13

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Publication number Priority date Publication date Assignee Title
KR100812946B1 (ko) * 2006-02-07 2008-03-11 에스케이 텔레콤주식회사 이동 통신망에서의 서비스 품질 관리 시스템 및 방법
KR100896844B1 (ko) * 2007-09-10 2009-05-12 에스케이 텔레콤주식회사 로밍 패킷 데이터 서비스를 위한 서버장치, 시스템 및 방법
KR101488813B1 (ko) * 2010-09-30 2015-02-04 네이버비즈니스플랫폼 주식회사 웹 서비스의 품질을 측정하는 방법 및 서버 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000062567A1 (fr) * 1999-04-14 2000-10-19 Ascom Ag Mesure de la qualite de service dans des reseaux de telecommunications
WO2002049382A1 (fr) * 2000-12-11 2002-06-20 E-Plus Mobilfunk Gmbh & Co. Kg Procede pour determiner de maniere proche en termes de temps et de vecu la qualite de prestations de service, ainsi que pour detecter de maniere proche en termes de temps et de vecu les reclamations et les messages d'erreurs du client sur le terminal du client dans des reseaux de telecommunication, notamment dans des reseau
KR20020058565A (ko) * 2000-12-30 2002-07-12 조정남 이동통신망에서의 무선 패킷 데이터 품질 측정 방법
US20040160927A1 (en) * 2003-02-19 2004-08-19 Yang Zhongjin Method to measure performance and quality of wireless packet data services for end users
WO2004075991A2 (fr) * 2003-02-21 2004-09-10 Life Pack Technologies, Inc. Appareil d'evacuation a l'exterieur d'immeubles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000062567A1 (fr) * 1999-04-14 2000-10-19 Ascom Ag Mesure de la qualite de service dans des reseaux de telecommunications
WO2002049382A1 (fr) * 2000-12-11 2002-06-20 E-Plus Mobilfunk Gmbh & Co. Kg Procede pour determiner de maniere proche en termes de temps et de vecu la qualite de prestations de service, ainsi que pour detecter de maniere proche en termes de temps et de vecu les reclamations et les messages d'erreurs du client sur le terminal du client dans des reseaux de telecommunication, notamment dans des reseau
KR20020058565A (ko) * 2000-12-30 2002-07-12 조정남 이동통신망에서의 무선 패킷 데이터 품질 측정 방법
US20040160927A1 (en) * 2003-02-19 2004-08-19 Yang Zhongjin Method to measure performance and quality of wireless packet data services for end users
WO2004075991A2 (fr) * 2003-02-21 2004-09-10 Life Pack Technologies, Inc. Appareil d'evacuation a l'exterieur d'immeubles

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KR100643077B1 (ko) 2006-11-10
KR20060032744A (ko) 2006-04-18

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