Title :
Optimum training sequences for OFDM systems with multiple transmit antennas
Author_Institution :
Wireless Syst. Res. Dept., AT&T Labs.-Res., Red Bank, NJ, USA
Abstract :
Channel information is required for OFDM systems with multiple transmit and receive antennas exploiting antenna diversity. We present techniques to improve the performance and reduce the complexity of channel parameter estimation: optimum training sequence design and simplified channel estimation. The optimal training sequences not only simplify the initial channel estimation but also attain the best estimation performance. The simplified channel estimation significantly reduces the complexity of the channel estimation at the expense of a negligible performance degradation
Keywords :
OFDM modulation; computational complexity; diversity reception; land mobile radio; optimisation; parameter estimation; receiving antennas; sequences; telecommunication channels; transmitting antennas; MIMO systems; OFDM systems; antenna diversity; channel information; channel parameter estimation; complexity reduction; estimation performance; mobile wireless systems; multiple receive antennas; multiple transmit antennas; optimum training sequence design; optimum training sequences; Channel estimation; Degradation; Discrete Fourier transforms; Diversity reception; Frequency estimation; Mobile antennas; OFDM; Parameter estimation; Receiving antennas; Transmitting antennas;
Conference_Titel :
Global Telecommunications Conference, 2000. GLOBECOM '00. IEEE
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-6451-1
DOI :
10.1109/GLOCOM.2000.891886
