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Experimental Demonstration of Sub-Nyquist Sampling for Bandwidth- and Hardware-Efficient Mobile Fronthaul Supporting 128×128 MIMO with 100-MHz OFDM Signals

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We propose and demonstrate a novel sub-Nyquist sampling technique for bandwidth-efficient and hardware-efficient mobile fronthaul supporting massive MIMO, simultaneously achieving 32-fold reduction in sampling rate and 1.5-dB improvement in performance in a 128×128 MIMO experiment.

© 2016 Optical Society of America

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