Vikas Arora

Report
Testing & Monitoring Challenges of
Next Generation Mobile Broadband
LTE Network
Vikas Arora
Chief Technology Officer
© 2010 EXFO Inc. All rights reserved.
1
Millions
LTE Deployments Taking Off…
180
160
140
120
100
80
60
40
20
0
2009
LTE Worldwide Subscriber Forecast
>164.4M in 2014
2010
2011
2012
2013
2014
Infonetics 2010
›
›
›
›
15 commercial networks were launched in 2010 ; 128 LTE commitments worldwide
10X increase in throughput per subscriber (2008-14)
Mobile broadband services revenues to go to $186.7B by 2014 (09-14 CAGR 25%)
End user quality expectations going up!!
© 2010 EXFO Inc. All rights reserved.
2
Delivering and Managing Network & Service Quality:
Key Pieces of the Puzzle
Network
(IMS, EPC, Ethernet,
Optical)
Device
Applications
& Services
Device
Deliver rapid trouble identification, segmentation, isolation and SLA assurance
© 2010 EXFO Inc. All rights reserved.
3
Example: LTE Network Monitoring & Troubleshooting
• LTE Signaling
• IMS sessions – RCS, Presence, Authentication, Call KPI’s
• Session quality, Video quality, Content quality etc.
Separated transfer paths for
user plane and control plane
© 2010 EXFO Inc. All rights reserved.
4
Example: Ethernet Mobile Backhaul Turn-up through
Operational Monitoring
Cell Site
OAM,
Correlation
Aggregation
Presentation
a
nd
Sta Is
AP
rd
OS
S
MTSO
Remote IP Test Head
CSR
Ethernet
Backhaul
Network
•EtherSAM Y.1564 for Turn-up
Frame loss, delay, throughput,
burstability, frame delay
variation
• Ethernet OAM standards
(802.1ag, and Y.1731)
On-Demand Service Performance Test
(In-Service or Out-of-Service)
24x7 In-Service Monitoring
(Availability, Loss, Delay, Delay Variation
© 2010 EXFO Inc. All rights reserved.
5
LTE Testing & Service Assurance Lifecycle
In/Out-Service Troubleshoot
›
›
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Locate problems
Find the cause of the problems quickly
Access to the details required
From mass data to the root cause
Conformance/Load Testing
›
›
›
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Test the functionality, interfaces
IMS Core performance, scalability
Interoperability MME/eNB, UEs
Test the load behavior before the
real load
RCS EPC
IMS
VoIP
Video
Data
Ethernet Optical
24/7 Monitoring
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End-user experience
SLA screening
Service usage, RCS, IMS monitoring
Network element/UE problems
Fraud detection, billing verifications
Install/Burn-in/Troubleshoot
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Physical layer characterization
Ethernet Testing & Troubleshooting
IP transmission tests
Connectivity to eNB
Delays/jitters in installation phases
© 2010 EXFO Inc. All rights reserved.
6
Summary
› LTE networks are gaining momentum, they require
› A highly efficient turn-up testing, troubleshooting, performance
monitoring & interoperability testing
› In order to ensure performance, service delivery and quality of
experience (QoE), complete visibility and access to key interfaces is
essential
© 2010 EXFO Inc. All rights reserved.
77
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