Title :
Efficient adaptive transmission technique for LDPC coded OFDM cellular systems using multiple antennas
Author :
Kim, K.S. ; Kim, Y.H. ; Ahn, J.Y.
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
fDate :
3/18/2004 12:00:00 AM
Abstract :
An adaptive MIMO transmission scheme using QAM and LDPC code is proposed for an OFDM cellular system employing FDD. It is shown that the proposed scheme can provide up to 2-3 dB gain over the conventional scheme at the expense of only six more bits in feedback information.
Keywords :
MIMO systems; OFDM modulation; adaptive codes; parity check codes; quadrature amplitude modulation; transmitting antennas; 2 to 3 dB; MIMO transmission; OFDM cellular systems; QAM; adaptive transmission technique; feedback information; low density parity check code; multiple antennas; quadrature amplitude modulation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040159
