Title :
Analytical approach of V-BLAST performance with two transmit antennas
Author :
Xu, R.T. ; Au, F.C.M.
Author_Institution :
Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., China
Abstract :
An analytical approach to the performance analysis of the Vertical Bell Laboratories Space-Time (V-BLAST) multi-input multi-output (MIMO) systems with two transmit antennas is presented in this paper. We derive the exact SNR distribution in the first and second detection steps when optimal detection ordering is used. A closed-form analytical expression for the bit error rate (BER) is then given. The effect of the optimal ordering with two transmit antennas on the diversity order and SNR is also evaluated. Finally, we study the system performance under unbalanced transmit power.
Keywords :
MIMO systems; digital radio; diversity reception; error statistics; signal detection; space-time codes; transmitting antennas; BER; MIMO systems; V-BLAST performance; Vertical Bell Laboratories Space-Time system; bit error rate; closed-form analytical expression; diversity order; exact SNR distribution; multi-input multi-output systems; optimal detection ordering; system performance; transmit antennas; unbalanced transmit power; Algorithm design and analysis; Bit error rate; Digital communication; Information analysis; MIMO; Performance analysis; Receiving antennas; System performance; Transmitters; Transmitting antennas;
Conference_Titel :
Wireless Communications and Networking Conference, 2005 IEEE
Print_ISBN :
0-7803-8966-2
DOI :
10.1109/WCNC.2005.1424533
