Title :
Transmit diversity and combining scheme for spatial multiplexing over correlated channels
Author :
Zhao, Lan ; Dubey, V.K.
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore
Abstract :
Space-time block codes (STBC) are combined with a spatial multiplexing (SM) technique to improve SM system performance in the presence of fading correlation. The data rate is compromised for diversity gain in the combined system. Using Alamouti´s scheme at the transmitter, a general combining scheme is presented for a 2×2 multiple-input multiple-output (MIMO) system and extended, with modification, to MIMO systems with more antennas at both ends.
Keywords :
MIMO systems; block codes; diversity reception; fading channels; space division multiplexing; space-time codes; Alamouti scheme; MIMO system; STBC; combining scheme; correlated channels; data rate; diversity gain; fading correlation; multiple-input multiple-output system; space-time block codes; space-time codes; spatial multiplexing; transmit diversity; Block codes; Covariance matrix; Diversity methods; Diversity reception; Fading; MIMO; Receiving antennas; Samarium; System performance; Transmitting antennas;
Conference_Titel :
Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th
Print_ISBN :
0-7803-8255-2
DOI :
10.1109/VETECS.2004.1387979
