Abstract: QPSK-assisted carrier phase recovery algorithm is proposed, achieving a 0.8 dB OSNR improvement over BPS at a 7% FEC BER threshold, with modulation-format transparency ensuring robustness ...
Rare footage from Admiral Kuznetsov shows a Sukhoi Su-33 coming in low over the carrier before the pilot suddenly aborts at the last possible second. The fighter appears moments from dragging its tail ...
Abstract: In this paper, we present a 77GHz 8-bit nested vector-sum phase shifter in 28nm CMOS. The architecture performs vector modulation by splitting a single outer vector into two inner vectors ...
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