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Differential space-time coding for frequency-selective channels
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DOI：10.1109/LCOMM.2002.1010872.png)
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In this letter we introduce two space-time transmission schemes which allow full-rate and full-diversity noncoherent communications using two transmit antennas over fading frequency-selective channels. The first scheme operates in the frequency domain where it combines differential Alamouti space-time block-coding (STBC) with OFDM. The second scheme operates in the time domain and employs differential time-reversal STBC to guarantee blind channel identifiability without the need for temporal oversampling or multiple receive antennas.
Keyword:
blind identification
differential space-time coding
fading channels
intersymbol interference
multiple antenna coding
期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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