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- W2792156765 abstract "This paper presents a digital RF outphasing transmitter with delta sigma modulation for future all digital wireless systems. Wireless systems make use of complex signals with high Peak to Average Power Ratio (PAPR). High PAPR degrades efficiency performance of RF power amplifiers which results in power hungry transmitter design. On the other hand, high PAPR also dictates linear power amplification to maintain signal quality and spectral efficiency, which then compromise efficient use of power sources. RF outphasing transmitters lead the way to efficiently amplify amplitude varying wireless communication signals with switch mode RF power amplifiers. However, considerable loss occurs at the RF power combiner due to large outphasing angle variation. An all-digital outphasing transmitter with class D RF power amplifiers at UHF band is developed and fed with digitally modulated LTE outphasing signal to optimize efficiency and linearity. 70 W output power with %26 power efficiency at 8.7dB PAPR is achieved with −20 dB Adjacent Channel Power Ratio (ACPR) performance." @default.
- W2792156765 created "2018-03-29" @default.
- W2792156765 creator A5044512429 @default.
- W2792156765 date "2018-01-01" @default.
- W2792156765 modified "2023-09-24" @default.
- W2792156765 title "A 60W class S and outphasing hybrid digital transmitter for wireless communication" @default.
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- W2792156765 doi "https://doi.org/10.1109/pawr.2018.8310053" @default.
- W2792156765 hasPublicationYear "2018" @default.
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