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K-Tree: A Multiple Tree Video Multicast Protocol for Ad Hoc Wireless Networks

  • B. Anirudh
  • T. Bheemarjuna Reddy
  • C. Siva Ram Murthy
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4297)

Abstract

In this paper, we address the problem of video multicast over ad hoc wireless networks. Video multicasting demands high quality of service with a continuous reachability to receivers. However, the existing multicast solutions do not guarantee this because they are not resilient to mobility of the nodes. Uninterrupted video transmission requires continuous reachability to receivers which emphasizes the usage of path-diversity. Hence, we propose a multiple tree multicast protocol (K-Tree) which maintains maximally node-disjoint multicast trees in the network to attain robustness against path breaks. We further enhance the robustness by using the error resilient Multiple Description Coding (MDC) for video encoding. Through simulations we show how the protocol improves the video quality as we use two or three trees instead of a single tree.

Keywords

Data Packet Control Packet Multicast Tree Enhancement Layer Forwarding Node 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • B. Anirudh
    • 1
  • T. Bheemarjuna Reddy
    • 1
  • C. Siva Ram Murthy
    • 1
  1. 1.Department of Computer Science and EngineeringIndian Institute of TechnologyMadrasIndia

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