Dubai, UAE 2-3 November 2014 1 Measuring the QoS of Internet Access Joachim Pomy OPTICOM, Germany ITU Workshop on “Quality of.

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Dubai, UAE 2-3 November Measuring the QoS of Internet Access Joachim Pomy OPTICOM, Germany ITU Workshop on “Quality of Service of Regulatory and Operational Issues” (Dubai, UAE 2-3 November 2014)

Dubai, UAE 2-3 November Current Issues lack of standardized measurement framework test results achieved by one method vary from results achieved by another method lack of standardized measurement procedure random measurements can be used during testing the testing algorithm is not specified insufficient accuracy some of existing methods make several attempts at different times of measurement the measurement time period is not specified busy-hour are excluded different approaches for collecting testing results processing of measured values assumes dropping some measurement results (sometimes up to 40%)

Dubai, UAE 2-3 November Best Practice Measurement approaches are categorized as follows: End-user Application Measurement (EAM) Daily use of an end-user's computer or mobile phone is employed for measurement with an application or browser under the user’s control End-user Device Measurement (EDM) Tests are done by specific devices which are installed by end users for measurement, but they are separated from the daily use of computers and mobile phones thus controlled remotely by the project, and Project Self Measurement (PSM) The project itself installs or allocates and controls a device or computer to do tests.

Dubai, UAE 2-3 November Standardization Activities ITU-T SG11 working on standardization of two types of measurements of Internet speed: measurement of access speed to the Internet between customer's terminal equipment (TE) and operator’s peering point for exchanging traffic with ISP measurement of access speed to a particular Internet resource

Dubai, UAE 2-3 November draft Rec. ITU-T Q.Int_speed_test

Dubai, UAE 2-3 November Regulator Activities in Europe Selected Results Fixed & Mobile Broadband Access Study Germany Related Activities Austria

Dubai, UAE 2-3 November Some Results Results from Study on Broadband Access Speed Initiated by German Regulator Carried out by independant test house Results for both Mobile & DSL access ations/Companies/MarketRegulation/QualityStudy/QualityStudy_node. html Following is a Summary of Results for Mobile Access Categorized by Ranges of Advertised Bandwidth Bar graphs by Location (Major cities in Germany)

Dubai, UAE 2-3 November Average Mobile Download Speed Depicted as Percentage of the Advertised Speed

Dubai, UAE 2-3 November Average Mobile Upload Speed Depicted as Percentage of the Advertised Speed

Dubai, UAE 2-3 November Average Mobile Download Time for Web Sites For Alexa Top 10 Web Sites in Germany

Dubai, UAE 2-3 November Initial Conclusions -1 Conclusion of the German Regulator: Quality extremely fluctuating and not predictable A global average quality value across one mobile network has no meaning for the customer (e.g. average UMTS download speed for T-Mobile across Germany = 3 Mbit/s)

Dubai, UAE 2-3 November Initial Conclusions - 2 Conclusion of the German Regulator: Customer wants to know quality at current location High resolution required for measurements to be of any use for customer Measurements of quality anddisplay of results must always reference Time and Location Averaging across entire infrastructures not permitted

Dubai, UAE 2-3 November Compare LTE with other Technologies Achieved Percentage of Advertised Speed

Dubai, UAE 2-3 November Examples of Drive Tests

Dubai, UAE 2-3 November Future Work - 1 Development of a measurement methodology for broadband access speed measurement will be done by customers creation of a public data base across all providers enable customers to know the quality before signing the contract enable customers to check the contracted quality

Dubai, UAE 2-3 November Future Work - 2 Consequences for Mobile Operators: make your own drive test with very high granularity "postal code level" or make software measurement on your customers' phones Approach via customers' phones requires huge data base On average results per location will "true values" Software must account for terminal aspect in intelligent manner Currently under development by German Regulator

Dubai, UAE 2-3 November Others have the same Approach © Rundfunk und Telekom Regulierungs-GmbH (RTR-GmbH)

Dubai, UAE 2-3 November Links The Austrian Regulator already started measurement campaign based measurements from customers' phone Currently in Beta test phase: Results on interactive map: Technical Parameters:

Dubai, UAE 2-3 November Any questions ? Contact: