@article{CaImMa04, author = {Daniel Catrein and Lorenz Imhof and Rudolf Mathar}, title = "Power Control, Capacity, and Duality of Up- and Downlink in Cellular {CDMA} Systems", pages = "1777-1785", journal = "{IEEE} Transactions on Communications", volume = "52", number = "10", year = 2004, hsb = {RWTH-CONV-223174}, }