iptv presentation report

8/2/2019 Iptv Presentation Report

1/21

BIT MEERUT

BY MUKESH KUMAR


2/21

*IPTV is used for mainly three purposeCOMMERCE

COMMUNICATION

ENTERTAINMENT


3/21

IPTV is a system through which digitaltelevision service is delivered usingthe Internet architecture andnetworking methods, instead ofdelivered through traditional radiofrequency broadcast, satellite signal,and cable television formats

IPTV and Internet TV (competitors) IPTV delivered to TV set, not PC

IP set-top box (STB) IPTV is provided by a few LARGEtelecom providers Internet TV: anyone can create anendpoint and publish that on a globalbasis. (YouTube)


4/21

Internet TV IPTV

Transport Use generalinternet

Use dedicated,private network

GeographicalReach

Can be accessfrom anywhere in

the globe

Limited by serviceprovider

Service quality Not guaranteed Guarantees highquality audio andvideo

AccessMechanism

A PC with mediaplayer

Set-Top-Box mostof the time

ContentGeneration

Use own content Provided byexisting TV

broadcasters


5/21

Basic and

PremiumTelevision

Interactive TV /Two waycommunication

HDTV

Video on Demand

Time shifted TV

Instant Messaging Gaming and

Betting onDemand

Web and e-mail


6/21

More control over service for user What to watch and when to watch

More interactive

Better Quality

DVD quality video, CD quality music

Personalization

Convergence Single device to watch

TV, surf web and video calling

PC is not attractive due to lower

picture quality, cost and boot time


7/21

Factors helped the

growth

Digitization of

content

Development of

compression

techniques Growth in

Broadband use


8/21

IPTV Content Delivery:

TV Head End

IPTV Middleware VOD Systems

Media Content Protection Systems

(DRM)

IP STB

Content

Production

ContentAggregation

Content

Delivery

Content

Reproduction

Program

Production

TV

Stations

IPTV

Service

Providers

TV SetsEnd User


9/21

Bandwidth for access link

4 Mbps per channel for SDTV

HDTV: 20 Mbps per channel

VoD: 15.5 Mbps per channel for HDTV

Quality of Experience (QoE) Step

beyond QoS

QoE

QoS

Low delay, jitterand packet loss

Low downtime,maintenance intervalsand channel changetime


10/21

Bandwidth requirements for

streaming High bandwidth continuously

Last mile is the problem

DSL originally employed for burst(web) traffic, Not support MPEG-2

Need to compress the video

streams

Reducing channel change time

Due to multicasting it takes time

Providing VoD

Need to unicast messages


11/21

Access

Network

NationalHead End

Regional

Head End

HomeNetwork

IP CoreNetwork


12/21

Acquiring video from different sources Video Encoding VoD delivering Content security

Conditional Access System (CAS) Digital Rights Management (DRM)

EPG Server

OBSS Subscribermanagement system

MPEG

Encoder

Media

Stream

er

CAS DRM

MPEG

Encode

r

IPTVDeliveryNetwork

Live TV

VoD Server

OBS

S


13/21

High speed data network

Technologies used:

ATM and SONET/SDH()

IP and MPLS

Metro Ethernet


14/21

From IPTV DataCenter to the

subscriber

1.Fiber

2.DSL

3.Cable TV

4.Satellite5.Wireless

Broadband

6.Internet

65.00%

22.00%

11.00% 2.00%

DSL

Cable

modem


15/21

IPTV hardware and software infra-

structure at customer premises

Runs the IPTV middleware at clientside

Decrypt the scrambled video stream

Video decoding Produce composite (analog) video

output

Program navigation with EPG


16/21

User wants towatch TV

channel

IP-STBconnects to

appropriatemulticast group

IP-STBrecieves

packets andencodes it

IP-STB recievespackets, encodes

it and sends tooutput device

Userwatches

TV

channel


17/21

Hardware drivers and media

codec

Operating system and networkstack

IPTV Client

TCP/IP Stack

TV browser

Various plug-ins


18/21

Video Encoding

Improvement in compression to

reduce BW requirement


19/21

TV set become a all in one box Replace the PC for entertainment

(Limit it for programming,

documenting) Everything (e-mail

reading, FB,

answsurfing, video

calls) from TV

remote controller


20/21

REFERENCES

www.digitalopportunity.org/

www.rapidtvnews.com/

www.iptv-news.com/ www.brown.edu/

www.dslreports.com/
http://www.digitalopportunity.org/http://www.rapidtvnews.com/http://www.iptv-news.com/http://www.iptv-news.com/http://www.iptv-news.com/http://www.brown.edu/http://www.dslreports.com/http://www.dslreports.com/http://www.brown.edu/http://www.iptv-news.com/http://www.iptv-news.com/http://www.iptv-news.com/http://www.iptv-news.com/http://www.rapidtvnews.com/http://www.digitalopportunity.org/


21/21

iptv presentation report

Documents