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  Evaluation of Performance Ip-tv in Wimax Network  
  Authors : Ravonimanantsoa Ndaohialy Manda-Vy; Reziky Zafimarina Zo Stefana; Rakotomalala Mamy Alain
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The future of television is undoubtedly internet Protocol Television(IPTV), given its ability to give users the ability to interact with the video they watched. The expansion of this new diffusion technique could be promoted using Worldwide Interoperability for Microwave Access (WiMax) technology to serve areas not accessible by wireline technologies. Then, with the discovery of new compression technique such as H.265 standard, it could operate on highquality videos. This dissertation aimed to analyze and optimize IPTV performance using WiMax technology as an access support and the H.265 standard as compression standard, focusing on the choice of the more favorable buffer size. The results obtained in the simulations show that the buffer size customers WiMax stations to broadcast highdefinition video must be greater than 256KB for proper reception of images component video, and to avoid poor visual quality.


Published In : IJCSN Journal Volume 5, Issue 1

Date of Publication : February 2016

Pages : 93-98

Figures :10

Tables : 01

Publication Link : Evaluation of Performance Ip-tv in Wimax Network




Ravonimanantsoa Ndaohialy Manda-Vy : is a lecturer at the University of Antananarivo in the telecommunication department; this research axis is to the computer networks and telecommunications networks, wired and wireless.

Reziky Zafimarina Zo Stefana : is a specialist in automatic and in computer networks, he holds a PhD in telecommunications Automatic specialty and is a researcher at the laboratory TASI.

Rakotomalala Mamy Alain : is a specialist wavelet applied in telecommunication signals, he is lecturer at the University of Antananarivo.














The choice of the buffer size during Video transmission with WiMax is crucial to ensure a desired QoS. A large buffer size might lead to increased delay and jitter. A sufficient size could be the cause of a packet loss which would harm the quality of the video. The result of this study allowed us to look at the size of 256KB buffer at a high definition video transmission, since it avoids considerable loss of packets with duration and satisfactory jitter.










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