Digital Predistortion for 5G Small Cell: GPU Implementation and RF Measurements
نویسندگان
چکیده
منابع مشابه
Adaptive Digital Baseband Predistortion for RF Power Amplifier Linearization
Power amplifiers (PAs) are vital components in many communication systems. To be transmitted wirelessly, a signal must be amplified with high fidelity so as to account for attenuation through the channel or propagation medium. The linearity of a PA response constitutes an important factor that ensures signal integrity and reliable performance of the communication system. Unfortunately, PAs are ...
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With the increasing importance of spectral efficiency in mobile communications, linearity of the RF PA has become a critical design issue for non-constant-envelope digital modulation schemes.1 This issue is particularly significant in spread spectrum applications such as CDMA and wideband CDMA (W-CDMA) base stations, where the peak-to-average ratio of modulated RF signals can vary over a range ...
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Power amplifiers (PAs) are inherently nonlinear elements and digital predistortion is a highly cost-effective approach to linearize them. Although most existing architectures assume that the PA has a memoryless nonlinearity, memory effects of the PAs in many applications ,such as wideband code-division multiple access (WCDMA) or orthogonal frequency-division multiplexing (OFDM), can no longer b...
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ژورنال
عنوان ژورنال: Journal of Signal Processing Systems
سال: 2019
ISSN: 1939-8018,1939-8115
DOI: 10.1007/s11265-019-01502-4