Wu Xingming, Chen Weihai, Yu Shouqian, et al. Development of PCI-based multi-axis controller[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(01): 112-116. (in Chinese)
Citation: Wang Zhe, Zhang Xiaolin, Chen Leiet al. Image transmission over multipath fading channel using joint source channel coding modulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(11): 1371-1374. (in Chinese)

Image transmission over multipath fading channel using joint source channel coding modulation

  • Received Date: 23 Oct 2008
  • Publish Date: 30 Nov 2009
  • For multipath fading channel, an image transmission method which combines wavelet transform and orthogonal frequency division multiplexing (OFDM) adaptive modulation was proposed, and the algorithm for joint source channel optimal allocation of channel bandwidth and power was presented as well. Following the presentation of system structure, the problems such as the implementation and distortion estimation of image transmission based on wavelet transform over noisy channel, and optimal bit-power allocation for multi bit error rate (BER) OFDM adaptive modulation were modeled and analyzed, modeling and analysis facilitate the combination of source quantization coding and OFDM adaptive modulation, and a joint source channel optimal bandwidth and power allocating algorithm was also developed. Simulations and analysis show that the image transmission using joint source-channel coding modulation over multipath fading channel can be achieved with small coding complexity and delay, and performance can be improved due to joint source-channel optimal allocation of bandwidth and power.

     

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