Optimal Resource Allocation for Parallel Gaussian Broadcast Channels: Minimum Rate Constraints and Sum Power Minimization.

Gerhard Wunder Thomas Michel Optimal Resource Allocation for Parallel Gaussian Broadcast Channels: Minimum Rate Constraints and Sum Power Minimization. 4817-4822 2007 53 IEEE Transactions on Information Theory 12 http://dx.doi.org/10.1109/TIT.2007.909137 db/journals/tit/tit53.html#WunderM07