Provincial Engineering Associations
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Provincial Engineering Associations

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Provincial Engineering Associations Provincial Engineering Associations Presentation Transcript

  • IPTV: An end users' perspective IPTV: An end users' perspective PANDA Seminar Introduction The IPTV network The end users' Emad Shihab experience Areas of improvement
  • IPTV: An end users' perspective Overview PANDA Seminar Introduction  Introduction The IPTV network  The IPTV network The end users' experience  The end users' perspective Areas of improvement  Areas of improvement
  • IPTV: An end users' perspective IPTV and VoD PANDA Seminar Introduction Introduction IPTV: Is television over IP networks. IPTV should The IPTV network ideally offer complete broadcast channels (just like The end users' our existing cable TV) experience  Two way capability in IP networks allows IPTV Areas of improvement interactions among service providers and subscribers. Video on Demand (VoD) enables a user to join and start any program at their convenience (somewhat similar to Pay per View)  Unicast stream of programming with controls like play, pause and rewind
  • IPTV: An end users' perspective Major IPTV providers in Canada PANDA Seminar Introduction Introduction  Major players in Canada: The IPTV network  Telus The end users'  Bell Canada experience Areas of improvement  Telus provides service in areas that are within approx. 1 Km of its central office  Currently service is available in some parts of Vancouver, Calgary and Edmonton
  • IPTV: An end users' perspective Four main components of IPTV network PANDA Seminar Introduction The Video Headend network The IPTV network  The video head end is the point in the network The end users' where the programming content is captured, experience encoded and broken into IP packets Areas of improvement  The Core network  The grouping of encoded video streams, representing the channel line up, is transported over the service provider’s IP network The Video Headend The Core Network The Access Network The Home Network
  • IPTV: An end users' perspective Four main components of IPTV network cont'd PANDA Seminar Introduction The Access network Introduction network  The link from the service provider to the individual The IPTV network The end users' household. It contains the: experience Areas of improvement I.The Broadband Remote Access Server (BRAS) II.The Digital Subscriber Line Access Multiplexer (DSLAM) III.The subscriber’s home through Digital Subscriber Line (DSL) The Video Headend The Core Network The Access Network The Home Network
  • IPTV: An end users' perspective Four main components of IPTV network cont'd PANDA Seminar The Home network Introduction  Mesh type architecture using a combination of network The IPTV network wired and wireless technologies to distribute signals The end users' experience  Wired Areas of improvement  Ethernet  Power line  Phone line  Wireless  UWB  802.11x  Milimeter Wave (MMW) 57-64 GHz
  • IPTV: An end users' perspective The currently deployed IPTV system PANDA Seminar  Uses existing ADSL connection  Approx. data rate 6-10 Mbps Introduction The IPTV network  In the home network: The end users' Current IPTV system  a hybrid wired and wireless approach is used experience Areas of improvement for distribution  IEEE 802.11g is being used to deliver data  Ethernet is being used to distribute the multimedia signal  Currently, the service provider is fully taking care of the cost of setting up the home network
  • IPTV: An end users' perspective The currently deployed IPTV system cont'd PANDA Seminar  Installation  Service provider spends 8 hours to rewire home Introduction  A new residential gateway is provided by the The IPTV network service provider The end users' Current IPTV system  Currently, can only support 2 set-top boxes experience  Users cannot move set-top boxes Areas of improvement  Wireless cards are provided by service provider for PCs  Cost  End user can sign 0-3 year contracts.  Packages starting at $22
  • IPTV: An end users' perspective The currently deployed IPTV system cont'd PANDA Seminar  End users' experience  Currently IPTV service offers 200+ channels Introduction including: The IPTV network  Music, movies, sports, etc ..... The end users' Current IPTV system  Currently, only SDTV channels available experience  Picture and sound quality comparable to cable Areas of improvement TV  Channel switch time approx. 1-2 seconds  Special features  Call display on TV  Time shift  VoD  Interactive browser  Programming guide
  • IPTV: An end users' perspective A short video... PANDA Seminar  An example illustrating channel switching delay Introduction The IPTV network The end users' Current IPTV system experience Areas of improvement
  • IPTV: An end users' perspective A short video... PANDA Seminar  Video on Demand Introduction The IPTV network The end users' Current IPTV system experience Areas of improvement
  • IPTV: An end users' perspective Areas of improvement: The core and access network PANDA Seminar  Problem 1: Channel switching delay Introduction  Possible solutions: The IPTV network  Provide higher BW.  Move servers closer to end user The end users' experience  Better grouping of adjacent channels Areas of improvement Areas of  Better admission control improvement  Separate video traffic from other traffic at core network  Predictive channel sorting
  • IPTV: An end users' perspective Areas of improvement: The home network PANDA Seminar  Problem 2: Cost to the service provider Introduction  Possible solutions: The IPTV network  A more efficient home network architecture The end users' experience Problem 3: Scalability (cannot support more than two Areas of improvement Areas of set-top boxes) improvement  Possible solutions:  Update the physical link  Use multicast Problem 4: Channel selection (IPTV has the capability of supporting thousands of channels. The current channel guide is not sufficient)  Possible solutions:  Efficient searching of video content
  • IPTV: An end users' perspective Questions or ideas? PANDA Seminar Introduction The IPTV network The end users' experience Areas of improvement Ideas...suggestions. ..comments?