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Multimedia Tools and Applications

, Volume 47, Issue 1, pp 189–205 | Cite as

Wireless multimedia delivery over 802.11e with cross-layer optimization techniques

  • Naveen ChilamkurtiEmail author
  • Sherali Zeadally
  • Robin Soni
  • Giovanni Giambene
Article

Abstract

The use of wireless networks has spread further than simple data transfer to delay sensitive and loss tolerant multimedia applications. Over the past few years, wireless multimedia transmission across Wireless Local area Networks (WLANs) has gained a lot of attention because of the introduction of technologies such as Bluetooth, IEEE 802.11, 3G, and WiMAX. The IEEE 802.11 WLAN has become a dominating technology due to its low cost and ease of implementation. But, transmitting video over WLANs in real time remains a challenge because it imposes strong demands on video codec, the underlying network, and the Media Access Control (MAC) layer. This paper presents a cross-layer mapping algorithm to improve the quality of transmission of H.264 (a recently-developed video coding standard of the ITU-T Video Coding Experts Group) video stream over IEEE 802.11e-based wireless networks. The major goals of H.264 standard were on improving the rate distortion and the enhanced compression performance. Our proposed cross-layer design involves the mapping of H.264 video slices (packets) to appropriate access categories of IEEE 802.11e according to their information significance. We evaluate the performance of our proposed cross-layer design and the results obtained demonstrate its effectiveness in exploiting characteristics of the MAC and application layers to improve the video transmission quality.

Keywords

Compression Cross-layer H.264 Multimedia Network 802.11e Video Wireless 

Notes

Acknowledgements

We thank the anonymous reviewers for their suggestions and constructive feedback that enabled us to improve the quality and presentation of this work.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Naveen Chilamkurti
    • 1
    Email author
  • Sherali Zeadally
    • 3
  • Robin Soni
    • 1
  • Giovanni Giambene
    • 2
  1. 1.Department of Computer Science and Computer EngineeringLa Trobe UniversityMelbourneAustralia
  2. 2.Universit`a degli Studi di SienaSienaItaly
  3. 3.Department of Computer Science and Information TechnologyUniversity of the District of ColumbiaWashington, DCUSA

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