The 2 approaches for the 5G new radio waveform design are the filtering and windowing for
the spectrum efficiency improvement by reducing the OOB (out-of-band) power spectrum. As …

Recently, new waveforms for the 5th generation cellular system have been studied in many
ways. UFMC, FBMC (filter bank multi-carrier) and W-OFDM (window orthogonal frequency …

Recently, the spectral efficiency improvement of wireless and cellular communications is
very important. Several waveforms have been proposed in order to satisfy key performance …

New waveforms for the 5th generation cellular system have been studied in many ways. The
sharper out-of-band (OOB) spectrum characteristics are greatly desired for improving the …

This thesis provides a comprehensive study of linearity enhancement in Radio Frequency
(RF) Power Amplifiers (PA) while transmitting wideband signals with a high Peak Average …

Recently, researches for new waveforms have been carried in order to satisfy KPI for 5G
mobile communication system. UFMC and FBMC are well known as ways to reduce OOB …

In this paper, we design a SSD (simultaneous single band duplex) system using RF
cancellation and digital cancellation. And then, we analyze performance of the SSD system …

The cluster feed beamforming network uses a ground-based beamforming technique. In
view of the complicated link transmission in ground-based beamforming networks, the …

요 약본 논문에서는 X 밴드 위성통신을 위해 권고되는 4D-8PSK-TCM (Four Dimensional 8-ary
Phase Shift Keying Trellis Coded Modulation) 시스템을 비선형 HPA (High Power Amplifier) …

Considering a nonlinear high power amplifier (HPA) and a predistorter, we have designed a
four-dimensional 8-ary phase shift keying trellis-coded modulation (4D-8PSK-TCM) system …