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    30 November 2008

  • Awards Luncheon:
    1 December 2008

  • Exhibit Opening & 
    Welcome Reception:
    1 December 2008





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Near-CapacityWireless Multimedia Communications

Presenter: Lajos Hanzo


Shannon‚s information-theoretic visions were formulated in the context of ideal lossless entropy encoders, which may have a high codeword length and associated high coding delay. Under idealistic Gaussian channel conditions Shannon formulated his source- and channel-coding separation theorem. However, losslessly entropy-coded multimedia message become undecodable in the presence of transmission errors, regardless of the index or position of the corrupted bits. Hence all source-encoded bits have an equally high error sensitivity.

By contrast, practical lossy multimedia source codecs exploit the psychoacoustic and psychovisual masking properties of the human ear and eye and hence achieve significantly higher compression ratios than entropy codecs. Nonetheless, they often still exhibit residual redundancy, which manifests itself in terms of a correlated source-encoded messages that exhibit unequal bit sensitivity. This unequal bit sensitivity justifies the employment of unequal-protection joint source and channel coding, exchanging extrinsic information across the entire turbo-transceiver.

Furthermore, realistic dispersive fading channels tend to inflict bursty, rather than randomly distributed transmission errors. This light-hearted keynote address will highlight a range of radical research advances in joint source and chanel coding as well as wireless transmissions in the interest of approaching the Shannonian predictions not only for transmissions over benign Gaussian, but also over hostile fading channels.

Mobile communication devices are becoming ever more powerful and sophisticated. More and more business and personal users are relying on them for a variety of uses. This course reviews the most recent trends, techniques and system components in the field of wireless multimedia communications.


During his 30-year carreer Lajos Hanzo, FRAEng, DSc, FIEEE, FIEE has held various academic and research positions in Hungary, Germany and the UK. Since 1986 he has been with the University of Southampton, where he holds the Chair of Telecommunications. Over the years he has co-authored 15 Wiley - IEEE Press books on mobile radio communications, published in excess of 750 research papers. Lajos has also been awarded a number of distinctions and he is an IEEE Distinguished Lecturer of both the Communications and the Vehicular Technology Society as well as a Governer of both of these societies. He is the Editor-in-Chief of the IEEE Press.