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Efficient adaptive transmission technique for LDPC coded OFDM cellular systems using multiple antennas

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3 Author(s)
Kim, K.S. ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Kim, Y.H. ; Ahn, J.Y.

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.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 6 )