@article {nguyen2007powerchannels,
	title = {Power Allocation for Discrete-Input Delay-Limited Fading Channels},
	journal = {IEEE Transactions on Information Theory},
	year = {2007},
	issn = {0018-9448},
	url = {http://arxiv.org/abs/0706.2033},
	author = {Khoa D. Nguyen and Guill{\'e}n i F{\`a}bregas, Albert and Lars K. Rasmussen}
}
