Title :
Fast transmit antenna selection scheme employing block diagonalization for multiuser MIMO system
Author :
Wang, Feng ; Bialkowski, Marek E.
Author_Institution :
Sch. of Inf. Technol. & Electr. Eng., Univ. of Queensland, Brisbane, QLD, Australia
Abstract :
The paper reports a fast transmit antenna selection scheme employing block diagonalization for a multiuser MIMO system, in which a base station features more antennas than RF branches. The task of selecting an optimal sub-set of antennas is achieved in an iterative manner that requires a considerably less time than the earlier reported schemes employing a full search. The newly proposed transmission scheme improves the multiuser MIMO system performance in terms of the sum rate capacity. Computer simulations show that the scheme outperforms the maximized minimum singular (MMS) scheme in the low SNR range.
Keywords :
MIMO communication; multiuser channels; transmitting antennas; RF branch; SNR range; antennas optimal subset; block diagonalization; fast transmit antenna selection scheme; iterative manner; maximized minimum singular scheme; multiuser MIMO system; sum rate capacity; Array signal processing; Base stations; MIMO; Mobile communication; Signal to noise ratio; Transmitting antennas; Antenna Selection; Block Diagonalizaiton; Multi-input Multi-output; Multiuser channels;
Conference_Titel :
Microwave Conference Proceedings (APMC), 2010 Asia-Pacific
Conference_Location :
Yokohama
Print_ISBN :
978-1-4244-7590-2
Electronic_ISBN :
978-1-902339-22-2
