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Title |
Channel Estimation for MIMO OFDM beamforming Systems |
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Author |
Najoua Achoura, Ridha Bouallegue |
| Citation |
Vol. 8 No. 3 pp. 106-111 |
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Abstract |
Transmit beamforming with receive combining is a simple method for exploiting the significant diversity provided by multiple-input multiple-output (MIMO) systems, and the use of orthogonal frequency division multiplexing (OFDM) enables low complexity implementation of this scheme over frequency selective MIMO channels. A major challenge to MIMO-OFDM systems is how to obtain the channel state information accurately and promptly for coherent detection of information symbols and channel synchronization. This paper describes channel estimation and tracking scheme for MIMO-OFDM systems based on pilot tones. |
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Keywords |
MIMO, OFDM, beamforming, CSI, estimation |
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