TY - GEN
T1 - Channel estimation in MIMO-OFDM systems by tracking the delay-subspace
AU - Liu, Peng
AU - An, Jianping
AU - Bu, Xiangyuan
AU - Zhou, Ronghua
PY - 2007
Y1 - 2007
N2 - A time domain channel estimation method in MIMO-OFDM systems by tracking the delay-subspace is proposed. The time impulse response is estimated by transmitting known pilot symbols, and the estimation performance is improved by the Givens rotation based delay-subspace tracking and amplitudes tracking based on the LMS filtering. The simulations prove that the time domain channel estimation by tracking the delaysubspace can track faster fading channels, and is more accurate with low complexity.
AB - A time domain channel estimation method in MIMO-OFDM systems by tracking the delay-subspace is proposed. The time impulse response is estimated by transmitting known pilot symbols, and the estimation performance is improved by the Givens rotation based delay-subspace tracking and amplitudes tracking based on the LMS filtering. The simulations prove that the time domain channel estimation by tracking the delaysubspace can track faster fading channels, and is more accurate with low complexity.
KW - Low rank adaptive filter
KW - Multi-input multi-output (MIMO)
KW - Orthogonal frequency division multiplexing (OFDM)
KW - Subspace tracking
UR - http://www.scopus.com/inward/record.url?scp=38049044802&partnerID=8YFLogxK
U2 - 10.1109/WICOM.2007.118
DO - 10.1109/WICOM.2007.118
M3 - Conference contribution
AN - SCOPUS:38049044802
SN - 1424413125
SN - 9781424413126
SN - 1424413125
SN - 9781424413126
T3 - 2007 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2007
SP - 448
EP - 451
BT - 2007 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2007
T2 - 2007 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2007
Y2 - 21 September 2007 through 25 September 2007
ER -