TY - GEN

T1 - Maximizing sum rate and minimizing MSE on multiuser Downlink

T2 - 2009 IEEE International Symposium on Information Theory, ISIT 2009

AU - Tan, Chee Wei

AU - Chiang, Mung

AU - Srikanr, R.

PY - 2009

Y1 - 2009

N2 - Maximizing the minimum weighted SIR, minimizing the weighted sum MSE and maximizing the weighted sum rate in a multiuser downlink system are three important performance objectives in joint transceiver and power optimization, where all the users have a total power constraint. We show that, through connections with the nonlinear Perron-Frobenius theory, jointly optimizing power and beam formers in the max-m in weighted SIR problem can be solved optimally in a distributed fashion . Then, connecting these three performance objectives through the arithmetic-geometric mean inequality and nonnegative matrix theory, we solve the weighted sum MSE minimization and weighted sum rate maximization in the low to moderate interference regimes using fast algorithms.

AB - Maximizing the minimum weighted SIR, minimizing the weighted sum MSE and maximizing the weighted sum rate in a multiuser downlink system are three important performance objectives in joint transceiver and power optimization, where all the users have a total power constraint. We show that, through connections with the nonlinear Perron-Frobenius theory, jointly optimizing power and beam formers in the max-m in weighted SIR problem can be solved optimally in a distributed fashion . Then, connecting these three performance objectives through the arithmetic-geometric mean inequality and nonnegative matrix theory, we solve the weighted sum MSE minimization and weighted sum rate maximization in the low to moderate interference regimes using fast algorithms.

UR - http://www.scopus.com/inward/record.url?scp=70449470504&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=70449470504&partnerID=8YFLogxK

U2 - 10.1109/ISIT.2009.5205907

DO - 10.1109/ISIT.2009.5205907

M3 - Conference contribution

AN - SCOPUS:70449470504

SN - 9781424443130

T3 - IEEE International Symposium on Information Theory - Proceedings

SP - 2669

EP - 2673

BT - 2009 IEEE International Symposium on Information Theory, ISIT 2009

Y2 - 28 June 2009 through 3 July 2009

ER -