Low-rank pilot-symbol-aided channel estimation for MIMO-OFDM systems - Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th
نویسندگان
چکیده
In this paper, we propose the low-rank pilot-symbolaided (PSA) channel estimator for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems. The group-wise pilot patterns are also proposed for the low-rank channel estimator. We evaluate the performance of the proposed low-rank channel estimator for various mobile channel environments by computer simulation. It is shown than the proposed channel estimator has better performance than the conventional 2-D PSA channel estimator without increase of computational complexity and pilot overhead. Keywords2-D MMSE estimation, MIMO-OFDM
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