Transcript Title of Presentation Second Line of Title Subheadings (if

Telecommunications Industry Association
Austin, TX
April 4-5, 2011
TR-30.3/11-04-003
Document Cover Sheet
Project Number
PN-3-0062-RV2
Document Title
Discussion of Generic Video and Network Characteristics for Future Work
Source
Alcatel-Lucent
Contact
Les J. Wu
Phone: 908-582-4964
Alcatel-Lucent
Fax: 908-582-4964
Email: [email protected]
600 Mountain Avenue
Room 2b-219
Murray Hill, NJ 07974
Distribution
Intended Purpose
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TR-30.3
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The document to which this cover statement is attached is submitted to a Formulating Group or
sub-element thereof of the Telecommunications Industry Association (TIA) in accordance with the
provisions of Sections 6.4.1–6.4.6 inclusive of the TIA Engineering Manual dated October 2009, all
of which provisions are hereby incorporated by reference.
Abstract
Background for discussion of video, its characteristics, and limitations of current TIA 921B standard.
1 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
Current Mobile Video Habits (Strategy Analytics)
 Less than 50% users viewing video
weekly
 >37% over 3G/4G network
 Significant proportion of video
traffic is over-the-top.
2 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
Progressive Download
 Identical YT-HD Views (5s average)
 8:05 HD (720p) view of Shuttle Landing: http://www.youtube.com/watch?v=7rfmb3uuLE8
 Greedy client pulls as hard as it can on the network!
3 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
Bandwidth Utilization
10000000
9000000
8000000
bits/s
7000000
6000000
5000000
4000000
3000000
2000000
1000000
0
mins
YT
4 | Video Everywhere: Mobile Video | April 2011
IPTV-vbr
Hulu
podcast
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
silverlight
Netflix @ Home
 Netflix over 15Mbit/2Mbit Cable Service
 Initial 50s · 10Mbit burst download to build
up client buffer
 ~2Mbit average bitrate
 50s · 8Mbit  200s excess buffer
 Downloads very bursty (see detail)
5 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
Netflix Streaming over 3G
 VZW/Red
~1.2Mbit
 TMOB/Blue 3Mbit adapting to 1Mbit
 AT&T:
ipad – 1024x768
ipod – 480x320, 960x640
6 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
No Joy
3G Drive Tests
www.sensorly.com
 Drive tests conducted for 3 networks over
a common route
A
 Distinct differences in coverage and
performance seen
 iperf throughput measurements also made
 These data can be used in lab emulation
experiments
7 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
Ideal LTE PDV Measurement
 Single Sector, Single Radio, emulated packet core
 1350-byte ping responses with unloaded network with and without iperf loading
8 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
4G Mobile Network Architecture
Video Server
MME
eNodeB
X2
LTE Uu
S6a
S1-MME
PCRF
HSS
Gx
S1-U
SGW
S5/S8
PGW
eNodeB
9 | Video Everywhere: Mobile Video | April 2011
Tx
S11
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
SGi
Operator IP
Network
Internet
Sample Bitrate Structures
720x480i MPEG-2 MP/ML
6Mbit Avg DVD (9.5Mbit Peak)
720x480i H.264 Main:3.0
1.8Mbit re-encoded from DVD
424x240p H.264 baseline:2.1
690kbit Podcast
1920x1080i MPEG-2
17Mbit ATSC
576x320p H.264 baseline:3.0
800kbit iTouch4
10 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved
Linux Rate Shaping Initial Tests
11 | Video Everywhere: Mobile Video | April 2011
Alcatel-Lucent
Copyright 2010-2011 All Rights Reserved