Qos for wireless interactive multimedia streaming

  • Authors:

  • Kostas E. Psannis;Yutaka Ishibashi;Marios G. Hadjinicolaou

  • Affiliations:

  • University of Macedonia, Thessaloniki, Greece;Nagoya Institute of Technology, Nagoya, Japan;Brunel University, London, United Kingdom

  • Venue:
  • Proceedings of the 3rd ACM workshop on QoS and security for wireless and mobile networks
  • Year:
  • 2007

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Abstract

This paper presents an efficient approach for supporting wireless interactive multimedia streaming services. One of the main goals of wireless video interactive services is to provide priority including dedicated bandwidth, controlled jitter (required by some real-time and interactive traffic), and minimum additional resources on the load on the server and the decoder complexity. The proposed method is based on storing multiple differently encoded versions of interactive video streams at the server. The corresponding video streams are obtained by encoding the original uncompressed video file as a sequence of I-P(M) frames using different GOP pattern. Mechanisms for controlling the interactive request are also presented and their effectiveness is assessed through extensive simulations. Wireless interactive video services are supported with a minimum of additional resources on the server load, network bandwidth, decoder complexity and acceptable visual quality at the wireless client end.