@article {lechneroptimalchannels,
	title = {Optimal Power Control for LDPC Codes in Block-fading Channels},
	journal = {IEEE Transactions on Communications},
	volume = {59},
	year = {2011},
	month = {Jul.},
	pages = {1759{\textendash}1765},
	issn = {0090-6778},
	author = {Lechner, Gottfried and Guill{\'e}n i F{\`a}bregas, Albert and Lars K. Rasmussen and Khoa D. Nguyen}
}
