25.1: A 4.1W Quadrature Doherty Digital Power Amplifier with 33.6% Peak PAE in 28nm Bulk CMOS
© 2023 IEEE
International Solid-State Circuits Conference
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Higher requirements at base station for 5G mobile communication
Higher throughputs, complex high-order QAM modulation & high PAPR
Higher output power for wide coverage
Higher connection density, etc.
Motivation (1/2)
宏基站
4G LTE LTE-A, LTE-A Pro, 5G
Connect
Dens ity
4G LTE 4G LTE-A
5G
Small Cell
Macro Base Station
Macro Base Station
Massive MIMO & Beamforming
