Title :
Combined quantizer and linear error control code design for noisy channels
Author :
Su, Chi-Hsi ; Hsueh-Ming Hang
Author_Institution :
Dept. of Electron. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
Most optimal quantizer design algorithms do not take into account the changes of the channel characteristics due to the inserted channel coder. The overall channel characteristics including the channel coder is examined and an approximation model is proposed. Based on this model, a method for designing a quantizer (source coder) and the error control code together to achieve the best overall performance is proposed. Preliminary, simulation results reinforce the speculation that the error control codes would be useful only when the raw error rate is below a certain value
Keywords :
approximation theory; channel coding; coding errors; error correction codes; error statistics; linear codes; noise; quantisation (signal); source coding; approximation model; bit error probability; channel characteristics; channel coder; error control code; error control codes; error rate; linear error control code design; noisy channels; optimal quantizer design algorithms; performance; simulation results; source coder; Algorithm design and analysis; Bit rate; Channel coding; Delay; Design engineering; Design methodology; Error analysis; Error correction; Error probability; Source coding;
Conference_Titel :
Image Processing, 1996. Proceedings., International Conference on
Conference_Location :
Lausanne
Print_ISBN :
0-7803-3259-8
DOI :
10.1109/ICIP.1996.560803
