Optimum power allocation for the MIMO-BC zero-forcing precoder with per-antenna power constraints

In this paper, optimum power allocation to maximize the weighted sum rate assuming a ZF precoder under a PAPC is determined. A weighted sum rate objective function is considered since it can be directly implemented for scheduling algorithms used in contemporary scheduled packet data systems with quality of service requirements.

[1]  Stephen P. Boyd,et al.  Convex Optimization , 2004, Algorithms and Theory of Computation Handbook.

[2]  N.D. Sidiropoulos,et al.  On downlink beamforming with greedy user selection: performance analysis and a simple new algorithm , 2005, IEEE Transactions on Signal Processing.

[3]  Shlomo Shamai,et al.  The capacity region of the Gaussian MIMO broadcast channel , 2004, International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings..

[4]  Shlomo Shamai,et al.  The Capacity Region of the Gaussian Multiple-Input Multiple-Output Broadcast Channel , 2006, IEEE Transactions on Information Theory.

[5]  Andrea J. Goldsmith,et al.  On the optimality of multiantenna broadcast scheduling using zero-forcing beamforming , 2006, IEEE Journal on Selected Areas in Communications.

[6]  Wei Yu,et al.  Uplink-downlink duality via minimax duality , 2006, IEEE Transactions on Information Theory.