| B. Frey, D. MacKay, "Irregular turbocodes", Proc. of the 37th Allerton Conference on Communication, Control and Computiong, Allerton House, Illinois, 1999. |
....using decoders for the component codes, can not realize the power e#ciency that could be achieved if maximum likelihood decoding were applied, irregular code structures can be an advantage. Work on irregular Gallager codes (low density parity check codes) 10] and irregular Turbo Codes [5] has shown that power e#ciency can be improved significantly. If the information bits are grouped into a small number of data streams, the redundancy can be distributed unequally by using a hierarchical coding scheme. By asymptotical analyses that are simplified by the hierarchical structure it ....
B. Frey, D. MacKay, "Irregular turbocodes", Proc. of the 37th Allerton Conference on Communication, Control and Computiong, Allerton House, Illinois, 1999.
....iteratively using decoders for the component codes, can not realize the power eciency that could be achieved if maximum likelihood decoding were applied, irregular code structures can be an advantage. Work on irregular Gallager codes (low density parity check codes) 5] and irregular Turbo Codes [3] has shown that power eciency can be improved signi cantly. In this paper we investigate irregular concatenations of Reed Solomon codes and convolutional codes. The irregularity is seen within a hierarchical model, in which the protection of the important information bits and the unimportant ....
B. Frey and D. MacKay. Irregular turbocodes. In Proc. of the 37th Allerton Conference on Communication, Control and Computiong, Allerton House, Illinois, 1999.
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