@article{MaFe08,
	author = {Rudolf Mathar and Anke Feiten},
	title = "Proportional {QoS} Adjustment for Achieving Feasible Power Allocation in {CDMA} Systems",
	pages = "254-259",
	journal = "{IEEE} Transactions on Communications",
	volume = "56",
	number = "2",
	month = Feb,
	year = 2008,
	hsb = {RWTH-CONV-223182},
	}