期刊
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
卷 29, 期 7, 页码 441-443出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2019.2915647
关键词
Dirty radio; input backoff; orthogonal frequency division multiplexing (OFDM); power amplifier (PA)
资金
- European Commission within the European Regional Development Fund through the Swedish Agency for Economic and Regional Growth
- Region Gavleborg
Combating the effects of mixer and power amplifier (PA) imperfections on transmitter performance is crucial for the design of wireless systems. PA compression and in-phase/quadrature imbalance are analyzed for a single-input-single-output transmitter model. The influence of the imperfection on the normalized mean squared error (NMSE) of the transmitter is studied using an analytical framework that relies on the classic Bussgang theory. The study concludes with a closed-form expression for the NMSE that provides insights into the behavior of the transmitter.
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