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Adaptive Transmission With Linear Computational Complexity in MIMO-OFDM Systems

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3 Author(s)
Zhendong Luo ; Alcatel-Lucent, Beijing ; Hong Gao ; Yuanan Liu

A novel adaptive transmission scheme is proposed to improve the computational efficiency of conventional adaptive algorithms for multiple-input multiple-output orthogonal frequency-division multiplexing systems. By exploiting the stationary ergodicity of subchannel amplitudes, the proposed scheme can reduce the complexity of any existing adaptive algorithms to a considerably low level that is linear in the number of subchannels, while it causes little performance degradation.

Published in:

Communications, IEEE Transactions on  (Volume:55 ,  Issue: 10 )