EE233_IPTV

Why IPTV ?
Digitizing the info enables the AAA’s easily
Source Sanford Bernstein & Co.
Why IPTV ?
Imagine a World
 Video on Demand with hundreds of Channels
 Interactive program guide
 Picture-in-Picture
 Search Functionality
 Event Notification
 Integrated Caller I.D.
 Integration w/ Data
 Multiple Angle/Pictures
SBC/AT&T IPTV
Demonstration of Key Features
Worldwide Broadband Households by Region
0
20
40
60
80
100
120
140
2000 2001 2002 2003 2004 2005
Millions of HHs
Africa
Middle East
Australia/New Zealand
Eastern Europe
Latin America
Asia
Western Europe
North America
10 million house holds/year
in U.S alone
IPTV Market
Recent IPTV Roll outs
AT&T
 Offering IPTV to consumers in the San Antonio, Texas market.
 200 channels, including ESPN, HBO, Disney, MTV, and CNN, along
with video-on-demand titles and set-top boxes with DVR
capabilities.
 AT&T also plans to allow customers with video-enabled cell phones
to watch programs stored at home through a digital video recorder.
 In addition AT&T began offering fiber-based, high-speed Internet,
but the fiber is not extended to homes,.
VERIZON
 Began offering its fiber-based FiOS TV service in seven
communities in North Texas
 Verizon expects to have 400,000 subscribers in the North Texas
area more than one million potential viewers.
IPTV: TECHNOLOGY
What is IPTV?
• What is IPTV?
–Uses broadband internet for delivery of television
programming.
• How is it different?
– Digitally switched architecture, NOT channel based.
– No tuning. Set top box (STB) decodes IP video.
Content delivered as needed.
– Interactive, personalized, robust.
•VOD vsIPTV
IPTV is a type of VOD service
CATV Architecture
(e.g. PON RF overlay )
• 54-870 MHz
spectrum with 6 MHz
bandwidth (~134
potential carriers)
– Lower 65: analog
– Upper 65: digital
• Entire bandwidth
delivered to homes
Van Veen, et al. Bell Labs Technical Journal, 10 (1), 181-200 (2005)
IPTV Architecture
• Signals encoded and
multicast via IP
packets
• Digital encoding and
decoding required
• Eliminate CATV
lasers and EDFAs
• Efficient bandwidth
use
Van Veen, et al. Bell Labs Technical Journal, 10 (1), 181-200 (2005)

Xem chi tiết: EE233_IPTV