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Progressive image transmission over OFDM systems using multiple antennas

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2 Author(s)
Jie Song ; Dept. of Electr. & Comput. Eng., Maryland Univ., College Park, MD, USA ; Liu, K.J.R.

A joint source-channel coding (JSCC) scheme for SPIHT (set partitioning in hierarchical tree) coded image transmission over OFDM (orthogonal frequency division multiplexing) systems with spatial diversity is proposed where no feedback channel is available. By using diversity techniques, the fading effects can be dramatically decreased, and we show that subchannels in OFDM systems are indeed flat Rayleigh fading channels and approach Gaussian noisy channels when the diversity gain gets large; as a result, the system performance can be improved. Simulation results are presented with different numbers of antennas and different multi-path delays and Doppler spreads

Published in:

Multimedia and Expo, 2000. ICME 2000. 2000 IEEE International Conference on  (Volume:2 )

Date of Conference:

2000

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