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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Performance Analysis and Efficient Transmission over Multiple Wireless Channels Using V-Blast Architecture

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Author S. Jayalakshmy, R. Malar, M. Margarat
ISSN 2079-8407
On Pages 11-16
Volume No. 2
Issue No. Special Issue
Issue Date February 01, 2011
Publishing Date February 01, 2011
Keywords MIMO, V-BLAST, ML, STBC, LLSE, ZF.


Abstract

Recent research on wireless communication systems uses multiple antennas at both transmitters and receiver. It offers the possibility of wireless communication at higher data rates compared to single antenna systems. The information capacity of these multiple-input multiple- output (MIMO) channels grows linearly with smaller number of transmitter and receiver antennas in rich scattering environment. Some special detection algorithms have been proposed in order to exploit the high spectral capacity offered by MIMO channels. This magnitude of spectral efficiency is exploited using a wireless communication architecture known as the VBLAST (Vertical Bell Laboratory Layered Space Time). The conventional detection algorithm combined with V-BLAST offers better error performance with still has low complexity. V-BLAST has been implemented in real time laboratory. Using this, the spectral efficiencies and error rate is simulated. Wireless spectral efficiencies of this magnitude are unprecedented, and are unattainable using traditional techniques. 

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