Title :
Performance of block diagonalization scheme for multiuser MIMO downlink heterogeneous channels
Author :
Khan, Mozammel H. A. ; Moon Ho Lee
Author_Institution :
Div. of Electron. & Inf. Eng., Chonbuk Nat. Univ., Jeonju, South Korea
Abstract :
Block diagonalization (BD) is a linear precoding technique for multiuser multi-input multi-output (MIMO) broadcast channel that sends multiple interference free data streams to different users in the same cell. In this paper, we investigated the capacity of a multiuser multiple input multiple output (MIMO) system employing the block diagonalization scheme in presence of spatial correlation. The optimized diagonalization technique with power allocation scheme is proposed and verified.
Keywords :
MIMO communication; block codes; channel coding; linear codes; multiuser channels; precoding; radiofrequency interference; wireless channels; BD scheme; block diagonalization scheme; linear precoding technique; multiple interference free data streaming; multiuser MIMO downlink heterogeneous channel; multiuser multiinput multioutput broadcast channel; power allocation scheme; spatial correlation; Correlation; Covariance matrices; Interference; MIMO; Receiving antennas; Vectors; Block Diagonalization; MIMO channel capacity; Multiuser MIMO;
Conference_Titel :
Communications and Information Technologies (ISCIT), 2013 13th International Symposium on
Conference_Location :
Surat Thani
Print_ISBN :
978-1-4673-5578-0
DOI :
10.1109/ISCIT.2013.6645816
