Convex Optimization
MIMO Wireless Communications
Efficient maximum weighted sum-rate computation for multiple input single output broadcast channels
WASA'11 Proceedings of the 6th international conference on Wireless algorithms, systems, and applications
IEEE Transactions on Signal Processing
On the duality of Gaussian multiple-access and broadcast channels
IEEE Transactions on Information Theory
Sum power iterative water-filling for multi-antenna Gaussian broadcast channels
IEEE Transactions on Information Theory
Sum-capacity computation for the Gaussian vector broadcast channel via dual decomposition
IEEE Transactions on Information Theory
Correction of Convergence Proof for Iterative Water-Filling in Gaussian MIMO Broadcast Channels
IEEE Transactions on Information Theory
An iterative water-filling algorithm for maximum weighted sum-rate of Gaussian MIMO-BC
IEEE Journal on Selected Areas in Communications
Efficient maximum weighted sum-rate computation for multiple input single output broadcast channels
WASA'11 Proceedings of the 6th international conference on Wireless algorithms, systems, and applications
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An improved and extended algorithm is proposed to efficiently compute the sum capacity for the Gaussian vector broadcast channel. The sum capacity computation relies on the duality between the Gaussian broadcast channel and the sum-power constrained Gaussian dual multiple-access channel. Compared with the well-known iterative algorithm that computes the sum capacity of the Gaussian vector broadcast channel via dual decomposition, not only does the proposed algorithm extend into the field of complex numbers, which is more compatible with the way in which the communication systems are constructed in practice, but it also provides faster convergence.