A 30GHz 4-way Series Doherty Digital Polar Transmitter Achieving 18% Drain Efficiency and -27.6dB EVM while Transmitting 300MHz 64-QAM OFDM Signal

Mohsen Mortazavi,Yiyu Shen,Dieuwert. P. N. Mul,Leo C. N. de Vreede,Marco Spirito,Masoud Babaie

2021 IEEE Custom Integrated Circuits Conference (CICC)（2021）

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摘要

Fifth-generation (5G) mm-wave communication systems support high-order modulation schemes with large peak-to-average power ratios (PAPR). This demands transmitter (TX) operation in deep power back-off (PBO), thus degrading its average efficiency. Hence, several mm-wave Doherty PAs have been proposed [1], [3] to address this issue. However, the number of their peaking amplifiers (PAP) has been limi...

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关键词

Application specific integrated circuits,Transmitters,Power combiners,Communication systems,Scalability,Conferences,Modulation

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