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ITU Workshop on “Quality of Service and Quality of Experience of Multimedia Services in Emerging Networks” (Istanbul, Turkey, 9-11 February 2015) Monitoring.

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Presentation on theme: "ITU Workshop on “Quality of Service and Quality of Experience of Multimedia Services in Emerging Networks” (Istanbul, Turkey, 9-11 February 2015) Monitoring."— Presentation transcript:

1 ITU Workshop on “Quality of Service and Quality of Experience of Multimedia Services in Emerging Networks” (Istanbul, Turkey, 9-11 February 2015) Monitoring End-User QoS for Data Services Alberto Pérez Business Development Consultant, Omnitele alberto.perez@omnitele.com

2 ©Omnitele Ltd. 2015 2 agenda 1.Introduction −About Omnitele 2.Customer Experience Challenge KPIs that capture the End-User experience 3.Methodologies for Monitoring End-User QoS Different approaches – one goal 4.Take-outs Summary

3 ©Omnitele Ltd. 2015 3 Maximised Experience, Minimised Cost We provide consulting and expert services for telecom operators and regulators in network strategy, design and quality assurance. Our mission is to maximise mobile subscriber quality of experience and minimise operator network expenditures. Delivering Omnitele Experience The company was founded in 1988 to set up world’s first GSM network. Since then we have completed over 1000 projects in over 80 countries around the globe. Always delivering Omnitele Experience – a fact proven by our long lasting client relationships. International And Independent Our headquarters is located in Helsinki, Finland. We have local presence in the Netherlands and the Hashemite Kingdom of Jordan. Our company is owned by Finnish telecom investors and we are independent of operator groups and network vendors. The Omnitele Way Our unique way of working sets us apart from the competition and gives us a strong identity in the world of telecommunications. We call this the Omnitele Way, which means being Straightforward, Trusted and Intelligent. Omnitele 1-pager: company info in nutshell, can be used in all reports, proposals etc to add company info in concise fashion www.omnitele.com

4 ©Omnitele Ltd. 2015 4 content title Technology Strategy Design and Optimisation Audit and Benchmark Performance Management our services maximised customer experience minimised network cost

5 ©Omnitele Ltd. 2015 5 agenda 1.Introduction −About Omnitele 2.Customer Experience Challenge KPIs that capture End-User experience 3.Methodologies for Monitoring End-User QoS Different approaches – one goal 4.Take-outs Summary

6 ©Omnitele Ltd. 2015 6 Monitoring End-User QoS in… …pre-HSPA networks General user experience depends on two basic services Voice Services Data Services MOS, Success Rates, Drop Rates, Setup Time Throughput Generally available bitrates are not sufficient for data services. As throughput is the bottleneck, it becomes the measure to define the QoS

7 ©Omnitele Ltd. 2015 7 content title Customer Experience Challenge Bitrate is no longer the ultimate mobile network quality indicator

8 ©Omnitele Ltd. 2015 8 content title Customer Experience Challenge Vodafone higher bitrate, but KPN faster YouTube bitrate [Mbit/s] big difference in NW performance… buffering time [s] …thin margins in Quality of Service

9 ©Omnitele Ltd. 2015 9 content title Customer Experience Challenge QUALITY OF EXPERIENCE How well service quality meets expectations? overall Satisfaction, e.g. 1-5 ”stars” Highly market dependent and user segment specific QUALITY OF EXPERIENCE How well service quality meets expectations? overall Satisfaction, e.g. 1-5 ”stars” Highly market dependent and user segment specific QUALITY OF SERVICE How well does a service perform Measured application/service KPIs product of one or more network performance factors QUALITY OF SERVICE How well does a service perform Measured application/service KPIs product of one or more network performance factors NETWORK PERFORMANCE Technical measurements of the network e.g., delay, jitter, packet loss, throughput... NETWORK PERFORMANCE Technical measurements of the network e.g., delay, jitter, packet loss, throughput... RSCPEc/N0 latency jitter packet loss RSRP RLC throughput RSRQ RAB setup success rate modulation coding TX power G-factor Channel C/I Timing Advance Mobile TX Power Voice Codec Usage Handover Success Rate MCS Usage Distribution Time Slot Utilization Block Error Ratio Active Set Size SHO Success Rate ISHO Success Rate CQI E-DPDCH Throughput PDSCH modulation MAC DL BLER MAC UL BLER MAC UL Retransmission Rate

10 ©Omnitele Ltd. 2015 10 content title 20 MHz bandwidth Customer Experience Challenge all-IP PS network 300 Mbps 8x8 MIMO adaptative modulation OFDMA access scheme Carrier Aggregation improved cell-edge performance SC-FDMA uplink spectral efficiency 15 bit/s/Hz low latency

11 ©Omnitele Ltd. 2015 11 content title Customer Experience Challenge 20 MHz bandwidth all-IP PS network 300 Mbps 8x8 MIMO adaptative modulation OFDMA access scheme Carrier Aggregation improved cell-edge performance SC-FDMA uplink spectral efficiency 15 bit/s/Hz low latency news refreshing time? facebook refreshing time? app download time? it takes too long to upload a pic in Instagram…

12 ©Omnitele Ltd. 2015 12 agenda 1.Introduction −About Omnitele 2.Customer Experience Challenge KPIs that capture End-User experience 3.Methodologies for Monitoring End-User QoS Different approaches – one goal 4.Take-outs Summary

13 ©Omnitele Ltd. 2015 13 pasive monitoring PMS/Network Counters CDR Crowdsourcing Monitoring Methodologies in mobile networks active monitoring Probes (static/mobile) Drive Testing

14 ©Omnitele Ltd. 2015 14 pasive monitoring PMS/Network Counters CDR Crowdsourcing Monitoring Methodologies in mobile networks Vast amount of data 24/7 live monitoring Big picture of network utilisation trends Not available KPIs on End-User level Challenging implementation (Crowdsourcing) Average results do not tell much

15 ©Omnitele Ltd. 2015 15 active monitoring Probes (static/mobile) Drive Testing Monitoring Methodologies in mobile networks Controlled environment Reproduces End-User cases Collects essential data for troubleshooting Amount of samples is limited Limited coverage information Expensive exercise (Drive Testing)

16 ©Omnitele Ltd. 2015 16 Monitoring Methodologies best methodology? End-User Monitoring PMS/Network CountersProbes CDR Drive Testing Crowdsourcing a combination of all of them

17 ©Omnitele Ltd. 2015 17 Monitoring Methodologies 1. What do I want to Monitor? 2. How my subscribers use the service? 3. What tools do I have available? 4. Correlate data from different sources set up a process

18 ©Omnitele Ltd. 2015 18 content title ”Be-the-Customer” Approach Methodology for capturing the true end-user experience when using mobile networks WHEN | Test focus on peak hours, no empty network testing WHERE | Dense population areas independently selected by Omnitele HOW | Terminals and test cases as per real subscriber behaviour

19 ©Omnitele Ltd. 2015 19 content title Latvia Benchmark – SoW Country-wise Benchmark 3 Operators VS

20 ©Omnitele Ltd. 2015 20 content title Latvia Benchmark – SoW Hotspot TestingDrive Testing App Testing File TransfersVoice Calls Network Performance Testing Tests to be carried out with latest Samsung Galaxy S terminal (4G/3G/2G floating mode) FacebookYouTubeWeb Browsing DropboxTwitterInstagram

21 ©Omnitele Ltd. 2015 21 content title Latvia Benchmark – SoW Hotspot TestingDrive Testing 212 locations+2 000 km Hotspot to Hotspot Routes Main Connecting Roads all towns +10k inhabitants

22 ©Omnitele Ltd. 2015 22 agenda 1.Introduction −About Omnitele 2.Customer Experience Challenge KPIs that capture End-User experience 3.Methodologies for Monitoring End-User QoS Different approaches – one goal 4.Take-outs Summary

23 ©Omnitele Ltd. 2015 23 Summary 1.Data throughput is not longer the unique KPI to take into consideration when monitoring Mobile Data QoS 2.Different Monitoring Methodologies give you insights to different type of data – everything is valuable! 3.Set a process that helps achieving your goals, taking into consideration the actual users of the service

24 ©Omnitele Ltd. 2015 24 content title can be 2 rows thank you for your attention! questions

25 ©Omnitele Ltd. 2015 25 Contact details Omnitele Ltd NamePhone+358 9 695 991 TitleEmailcontact@omnitele.com PhoneWebsitewww.omnitele.com Email AddressOmnitele Ltd. Mäkitorpantie 3B P.O. Box 969 00101 Helsinki, Finland We answer Alberto Pérez Business Development Consultant +358 40 537 80 52 alberto.perez@omnitele.com

26 ©Omnitele Ltd. 2015 26 maximised customer experience minimised network cost www.omnitele.com


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