@article{FeMaRe08, author = {Anke Feiten and Rudolf Mathar and Michael Reyer}, title = "Rate and Power Allocation for Multiuser {OFDM}: An Effective Heuristic Verified by Branch-and-Bound", pages = "60-64 ", journal = "{IEEE} Transactions on Wireless Communications", volume = "7", number = "1", year = 2008, hsb = {RWTH-CONV-223181}, }