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A 422-Gbs 43-pJb 60-GHz Digital Transmitter With 12-bSymbol Polarization MIMO Ch
一款支持422Gbps、43pJ/b能效的60GHz数字发射器，采用12b/符号极化MIMO技术。
28nm CMOS, 0.9V, 42Gb/s, 4.3pJ/b
60GHz数字发射器极化MIMOOFDM能效优化
▸高效数字极化发射器支持多千兆符号速率和高阶调制
▸差分双极化PCB天线实现低面积开销MIMO
▸低过采样率和模拟滤波实现低功耗脉冲整形
Abstract
The unlicensed 57–71-GHz wireless spectrum offers
high throughput and scalable personal area connectivity.
To implement high-speed energy-efficient signaling, we present a
power back-off-efficient digital polar transmitter (TX) supporting
multi-gigasymbol per second switching rates and higher order
modulations up to orthogonal frequency-division multiplexing
(OFDM) 64-QAM. Pulse shaping of the direct digitally modulated
waveform outputs for spectral filtering is achieved in low power
with a low ove