@inproceedings{RoMa10b, author = {Virgilio Rodriguez and Rudolf Mathar}, title = "Generalised water-filling: costly power optimally allocated to sub-carriers under a general concave performance function", booktitle = "44th annual Conference on Information Sciences and Systems (CISS)", address = {Princeton, New Jersey, USA}, month = Mar, year = 2010, hsb = {hsb910018418}, }