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Improved space-time coding for MIMO-OFDM wireless communications

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4 Author(s)
Blum, R.S. ; AT&T Bell Labs., Middletown, NJ, USA ; Ye Li ; Winters, J.H. ; Qing Yan

Improved space-time coding for multiple-input multiple-output orthogonal frequency division multiplexing is studied for wireless systems using QPSK modulation for four transmit and four receive antennas. A 256-state code is shown to perform within 3 dB of outage capacity (and within 2 dB with perfect channel estimation), which is better than any other published result without using iterative decoding

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Communications, IEEE Transactions on  (Volume:49 ,  Issue: 11 )