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Quality of Service Measurements of Mobile Networks

Quality of Service Measurements of Mobile Networks. Workshop on “Monitoring and Benchmarking of Quality of Service and Quality of Experience of Multimedia Services in Mobile Networks ” ( Buenos Aires, Argentina, 24-25 July 2014 ). Yvonne UMUTONI

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Quality of Service Measurements of Mobile Networks

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  1. Quality of Service Measurements of Mobile Networks Workshop on “Monitoring and Benchmarking of Quality of Service and Quality of Experience of Multimedia Services in Mobile Networks” (Buenos Aires, Argentina, 24-25 July 2014) Yvonne UMUTONI Quality of Service Development Group (QSDG) Chairperson yvonne.umutoni@rura.rw +250 782052394

  2. EXECUTIVE SUMMARY • This presentation focuses on the quality of service monitoring and enforcement for mobile networks from the Regulatory point of view. • It covers the following: • purposes of QoS regulations • Requirements for a Regulator in order to enforce Quality of service • Purpose of Auditing the QoS and auditing methods • prerequisites so as to conduct a QoSMeasurement Campaign • QoS Parameters of some mobile services such as voice, sms, data…

  3. QUALITY OF SERVICE REGULATION • QoS is defined as the “Collective effect of service performance, which determines the degree of satisfaction of a user of the service” [ITU-T Recommendation E.800]. • QoSregulation is part of customer protection; • But customer protection is broader than QoS regulation and • QoS is not the same as network performance, which is more concerned with standards for the network, not user experience.

  4. QUALITY OF SERVICE REGULATION (Cont…) • Main purposes of QoS regulation are [ITU-T Supp. 9 of E.800 Series]: • Helping customers be aware of the Quality of service provided by Telecom Operators/ ISPs through networks (mobile & fixed), so that to make their ownchoices; • Checking claims by operators; • Understanding the state of the market; • Maintaining / improving the QoS in presence of competition; • Maintaining / improving the QoS in absence of competition; • Helping operators to achieve fair competition; and • Making interconnected networks work well together.

  5. ENFORCEMENT OF QUALITY OF SERVICE • Requirements so as to enforce the quality of service: • ICT Law: • Adopted and published in the Official Gazette • Regulations / Guidelines of Quality of Service in Mobile networks: • With a purpose: • Improve / maintain service quality; • make QoS Information available to customers; • assist the development of telecommunication markets and; • improve operation and performance of interconnected networks. • Guidance about: • Methodologies for measuring, reporting and recording. • QoS parameters definitions and thresholds.

  6. ENFORCEMENT OF QUALITY OF SERVICE (Cont..) iii. Reports of QoS submitted Monthly or Quarterly by Telecom Operators to the Regulatory Authority: • Include technical and non technical parameters iv. QoS Monitoring Tools for auditing the QoS of mobile networks independently v. Staff in charge well trained

  7. AUDIT OF QUALITY OF SERVICE • Purpose of QoS Auditing : • Verify the QoS of Mobile Networks experienced by customers and • Compare the Results (from audit exercise) against the licence obligations • Methods to audit telecom operators’ mobile networks are, but not limited to: • Drive Test (performed on quarterly basis or any time required) • Consumer survey • Data submitted on monthly or quarterly basis by Mobile Telecom Operators • Etc.

  8. METHODOLOGIES FOR MEASUREMENT • This presentation focuses on Drive Test Methodology • QoS Measurement Campaign prerequisites: • Specify Locations (e.g.: City, sector) • Prepare maps for those locations • Calculate Samples (attempts) required for each location based on population: For more information, please refer to ITU-T Recommendation E.804. • Calculate number of days/ hours required • Calculate number of hotspots (for measurement of data services) and locate those hotspots • Prepare a script for each service (e.g: Voice, FTP, HTTP…) • For Voice service measurement, specify the Mode (e.g: GSM, 3G or Dual mode)

  9. METHODOLOGIES FOR MEASUREMENT (Cont...) • Example of Voice call sequence: • Start loop • Make a voice call from MOC to MTC • Call duration: wait 90, or 120seconds • MOC disconnects the call (Hang-up) • Pause (Idle Mode) time: wait 20 seconds • End loop (go back to step 2)

  10. QUALITY OF SERVICE PARAMETERS

  11. QUALITY OF SERVICE PARAMETERS (Cont…)

  12. QUALITY OF SERVICE PARAMETERS (Cont…)

  13. PUBLICATION • For Consumer protection and Awareness purposes, the Quality of Service results from Audit Campaign (drive test, consumer survey...) are published by Regulators, on website, or in magazine for a regulator;

  14. Thank you for your attention

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