Title :
Improved V-BLAST based MIMO-OFDM Systems using Transmit and Receive Eigen-Beamformers
Author :
Lee, Won-Cheol ; Sung, Si-Hwan
Author_Institution :
Dept. of Electron. Eng., Soongsil Univ., Seoul
Abstract :
This paper proposes transmit and receive eigen-beamformers with V-BLAST (Vertical-Bell Laboratories Layered Space-Time coding) detector for MIMO-OFDM (multiple input multiple output - orthogonal frequency division multiplexing) communication systems. To enhance the order of spatial diversity in presence of deteriorative fading correlations, the proposed method employs joint eigen-beamforming technique. In order to confirm superiority of the proposed method, the computer simulations are conducted in highly correlated fading situations with providing detailed mathematical derivations for clarifying functionality of the proposed scheme
Keywords :
3G mobile communication; MIMO systems; OFDM modulation; diversity reception; eigenvalues and eigenfunctions; fading channels; matrix algebra; space-time codes; MIMO-OFDM systems; V-BLAST; Vertical-Bell Laboratories Layered Space-Time coding; deteriorative fading correlations; multiple input multiple output; orthogonal frequency division multiplexing; receive eigen-beamformers; spatial diversity; transmit eigen-beamformers; Antennas and propagation; Bit error rate; Computer simulation; Covariance matrix; Fading; Interference; MIMO; OFDM; Receiving antennas; Transmitting antennas;
Conference_Titel :
Communications, 2005 Asia-Pacific Conference on
Conference_Location :
Perth, WA
Print_ISBN :
0-7803-9132-2
DOI :
10.1109/APCC.2005.1554077
