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Proceedings Paper

Effect of channel quality estimation error on the performance of interactive mobile video system using adaptive modulation scheme
Author(s): Fuyu Long; Kwok-Tung Lo; Wan-Chi Siu; Fuhui Long
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Paper Abstract

Adaptive modulation is an effective scheme to observably improve the performance of interactive video data transmission over mobile wireless channels. The effectiveness of adaptive modulation is affected by the accuracy of channel quality estimation. We analyzed in this paper the effect of channel quality estimation error on the performance of the adaptive modulation scheme with four parameters we proposed: Extra BER Cost (EBC), Potential Theoretical Channel Capacity Loss (PTCCL), average system EBC and average system PTCCL. Without considering the details of specific multimedia information to be transmitted, our measurements are simple and direct.

Paper Details

Date Published: 22 August 2002
PDF: 5 pages
Proc. SPIE 4911, Wireless and Mobile Communications II, (22 August 2002); doi: 10.1117/12.480517
Show Author Affiliations
Fuyu Long, Hong Kong Polytechnic Univ. (China)
Kwok-Tung Lo, Hong Kong Polytechnic Univ. (Hong Kong)
Wan-Chi Siu, Hong Kong Polytechnic Univ. (Hong Kong)
Fuhui Long, Hong Kong Polytechnic Univ. (Hong Kong)


Published in SPIE Proceedings Vol. 4911:
Wireless and Mobile Communications II
Hequan Wu; Chih-Lin I; Jari Vaario, Editor(s)

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