A Minimum-Complexity High-Performance Channel Estimator for MIMO-OFDM Communications

作者：Liu Tingting^*; Wang Mao; Liang Yan; Shu Feng; Wang Jianxin; Sheng Weixin; Chen Qian

来源：IEEE Transactions on Vehicular Technology, 2010, 59(9): 4634-4639.

DOI：10.1109/TVT.2010.2081694

• Channel estimation
• multiple-input multiple-output and orthogonal frequency-division multiplexing (MIMO-OFDM)

Channel estimation is critical to the performance of a multiple-input multiple-output and orthogonal frequency-division-multiplexing (MIMO-OFDM) communication system. Current MIMO-OFDM channel estimation techniques suffer from either high complexity or poor performance. In fact, this issue has become one of the bottlenecks of a practical MIMO-OFDM system. This paper solves the problem by introducing a new technique that has minimum complexity and yet provides superior channel tracking performance close to a minimum mean square error (MMSE) estimate over a wide range of channel selectivity and noise variance. The performance was evaluated via numerical simulations.

• 出版日期2010-11
• 单位南京理工大学