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https://doi.org/10.1109/TSP.2006.885764
Title: | Blind channel estimation for MIMO OFDM systems via nonredundant linear precoding | Authors: | Gao, F. Nallanathan, A. |
Keywords: | Blind channel estimation Block precoding Multiple-input multiple-output (MIMO) Multiple-input single-output (MISO) Orthogonal frequency-division multiplexing (OFDM) Subspace Wireless communications |
Issue Date: | Feb-2007 | Citation: | Gao, F., Nallanathan, A. (2007-02). Blind channel estimation for MIMO OFDM systems via nonredundant linear precoding. IEEE Transactions on Signal Processing 55 (2) : 784-789. ScholarBank@NUS Repository. https://doi.org/10.1109/TSP.2006.885764 | Abstract: | Based on the assumption that the transmitted symbols are independent and identically distributed (i.i.d.), we develop a simple subspace-based blind channel estimation technique for orthogonal frequency-division multiplexing (OFDM) systems by utilizing nonredundant linear block precoding. A novel contribution is that the proposed method can be applied for scenarios, where the number of receive antennas is less than the number of transmit antennas, e.g., multiple-input single-output (MISO) transmissions, in which case the traditional subspace-based methods could not be applied. Further consideration that can eliminate the multidimensional ambiguity in channel estimation under multiple transmitter scenarios is also proposed. The numerical results clearly show the effectiveness of our proposed algorithm. © 2007 IEEE. | Source Title: | IEEE Transactions on Signal Processing | URI: | http://scholarbank.nus.edu.sg/handle/10635/55214 | ISSN: | 1053587X | DOI: | 10.1109/TSP.2006.885764 |
Appears in Collections: | Staff Publications |
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