Title :
Lattice decoding can achieve ½log(1+SNR) on the AWGN channel using nested codes
Author :
Erez, Uri ; Zamir, Ram
Author_Institution :
Dept. of EE-Syst., Tel Aviv Univ., Israel
Abstract :
We demonstrate that using dithering techniques the power constrained AWGN channel can be transformed into a module lattice additive noise channel, effectively increasing the SNR by one. This allows lattice decoding to be optimal for SNRs for which a pair of “good” nested lattices exist
Keywords :
AWGN channels; channel coding; decoding; AWGN channel; SNR; dithering techniques; module lattice additive noise channel; nested codes; nested lattices; optimal lattice decoding; power constrained AWGN channel; AWGN channels; Additive noise; Degradation; Error probability; Gaussian noise; Information theory; Lattices; Maximum likelihood decoding; Performance loss; Signal to noise ratio;
Conference_Titel :
Information Theory, 2001. Proceedings. 2001 IEEE International Symposium on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-7123-2
DOI :
10.1109/ISIT.2001.935988
