Max-min transmit beamforming via iterative regularization
English
Gharanjik, Ahmad[University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Shankar, Bhavani[University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Soltanalian, Mojtaba[University of Illinois at Chicago (UIC) > Department of Electrical and Computer Engineering > > Assistant Professor]
Ottersten, Björn[University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Nov-2016
50th Asilomar Conference on Signals, Systems and Computers, November 2016
Yes
No
International
50th Asilomar Conference on Signals, Systems and Computers, November 2016
6-11-2016 to 9-11-2016
Pacific Grove, CA
USA
[en] Beamforming ; multi-group multicas ; Max-Min
[en] This paper introduces an iterative optimization framework to tackle the multi-group multicast Max-Min transmit beamforming problem. In each iteration, the optimization problem is decomposed into four sub-problems, all of which can be solved using computationally efficient algorithms. The advantage of proposed method lies in its ability to handle different types of signal constraints like total power and unimodularity; a feature not exhibited by other techniques. The proposed technique outperforms the well-known semidefinite relaxation method in terms of quality of solutions