Linear dispersion codes for MIMO systems based on frame theory
IEEE Transactions on Signal Processing
Diversity and multiplexing: a fundamental tradeoff in multiple-antenna channels
IEEE Transactions on Information Theory
Analysis of multiple-antenna wireless links at low SNR
IEEE Transactions on Information Theory
Antenna selection in MIMO systems
IEEE Communications Magazine
Analysis and performance of some basic space-time architectures
IEEE Journal on Selected Areas in Communications
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MIMO Space-Time Coding (STC) could enhance the data rate or improve the BER by adding diversity in the presence of a channel fading. The VBLAST and D-BLAST techniques are designed to improve the data rate. The performance of these techniques is highly dependent on the MIMO channel environment. The high SNR environment with spatially uncorrelated fading is well conditioned to V-BLAST. While, the low SNR or the fading is spatially correlated, is conditioned for the D-BLAST. This paper proposes a switched layered space-time (LST) technique, namely; switched-mode BLAST (SM-BLAST). The simulation results show that the proposed technique is to be able to adapt to a wide range of MIMO channel environments, providing a compromise performance improvement over the conventional non-adaptive BLAST techniques.