@InProceedings{8902521,
  author = {J. Balsa and Ó. Fresnedo and T. Domínguez-Bolaño and J. A. García-Naya and L. Castedo},
  booktitle = {2019 27th European Signal Processing Conference (EUSIPCO)},
  title = {Evaluation of Analog Encoding for Multi-User Wireless Transmission of Still Images},
  year = {2019},
  pages = {1-5},
  abstract = {In this paper, we present an analog system to transmit still images over multiuser wireless channels and an empirical comparison with a representative digital scheme. The tests were carried out considering a multiple access channel (MAC) where two single-antenna users transmit their images to a two-antennas centralized receiver. The analog system encodes the source images using analog joint source-channel coding (JSCC) mappings and the resulting symbols are packed into an orthogonal frequency-division multiplexing (OFDM) frame. The quality of the analog received image is evaluated with the structural similarity (SSIM) and a digital image with the same quality is generated, which is encoded into an OFDM frame and transmitted over the same channel estimated as the analog one. The aim of this work is to compare the transmission times of the two systems and evaluate the suitability of the analog encoding techniques for the transmission of still images.},
  keywords = {channel coding;channel estimation;combined source-channel coding;encoding;multi-access systems;multiplexing;OFDM modulation;wireless channels;empirical comparison;representative digital scheme;multiple access channel;single-antenna users;two-antennas centralized receiver;analog system;source images;analog joint source-channel coding mappings;orthogonal frequency-division multiplexing frame;analog received image;digital image;OFDM frame;transmission times;analog encoding;multiuser wireless transmission;multiuser wireless channels;OFDM;Receivers;Signal to noise ratio;Encoding;Transform coding;Transmitters;Standards},
  doi = {10.23919/EUSIPCO.2019.8902521},
  issn = {2076-1465},
  month = {Sep.},
  url = {https://www.eurasip.org/proceedings/eusipco/eusipco2019/proceedings/papers/1570532563.pdf},
}

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A.","Castedo, L."],"bibdata":{"bibtype":"inproceedings","type":"inproceedings","author":[{"firstnames":["J."],"propositions":[],"lastnames":["Balsa"],"suffixes":[]},{"firstnames":["Ó."],"propositions":[],"lastnames":["Fresnedo"],"suffixes":[]},{"firstnames":["T."],"propositions":[],"lastnames":["Domínguez-Bolaño"],"suffixes":[]},{"firstnames":["J.","A."],"propositions":[],"lastnames":["García-Naya"],"suffixes":[]},{"firstnames":["L."],"propositions":[],"lastnames":["Castedo"],"suffixes":[]}],"booktitle":"2019 27th European Signal Processing Conference (EUSIPCO)","title":"Evaluation of Analog Encoding for Multi-User Wireless Transmission of Still Images","year":"2019","pages":"1-5","abstract":"In this paper, we present an analog system to transmit still images over multiuser wireless channels and an empirical comparison with a representative digital scheme. The tests were carried out considering a multiple access channel (MAC) where two single-antenna users transmit their images to a two-antennas centralized receiver. The analog system encodes the source images using analog joint source-channel coding (JSCC) mappings and the resulting symbols are packed into an orthogonal frequency-division multiplexing (OFDM) frame. The quality of the analog received image is evaluated with the structural similarity (SSIM) and a digital image with the same quality is generated, which is encoded into an OFDM frame and transmitted over the same channel estimated as the analog one. 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Balsa and Ó. Fresnedo and T. Domínguez-Bolaño and J. A. García-Naya and L. Castedo},\n booktitle = {2019 27th European Signal Processing Conference (EUSIPCO)},\n title = {Evaluation of Analog Encoding for Multi-User Wireless Transmission of Still Images},\n year = {2019},\n pages = {1-5},\n abstract = {In this paper, we present an analog system to transmit still images over multiuser wireless channels and an empirical comparison with a representative digital scheme. The tests were carried out considering a multiple access channel (MAC) where two single-antenna users transmit their images to a two-antennas centralized receiver. The analog system encodes the source images using analog joint source-channel coding (JSCC) mappings and the resulting symbols are packed into an orthogonal frequency-division multiplexing (OFDM) frame. 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