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A hierarchical image transmission system for multimedia mobile communication

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3 Author(s)
M. Morimoto ; Dept. of Commun. Eng., Osaka Univ., Japan ; M. Okada ; S. Komaki

This paper proposes a new mobile image transmission system based on the hierarchical modulation scheme for achieving a high quality and high speed digital image transmission in a band-limited fading channel. The proposed system uses a hierarchical QAM (quadrature amplitude modulation) scheme to give unequal transmission reliability depending on the significance of DCT (discrete cosine transform) based compressed images. Computer simulation results show that the proposed system is an effective high-quality and high-speed image transmission technique in the band-limited fading channel

Published in:

Wireless Image/Video Communications, 1996., First International Workshop on

Date of Conference:

4-5 Sep 1996