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Nonlinear Effect on the BER and Spectrum Shape of OFDM, UFMC and FBMC for 5G Mobile Communication
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 Title & Authors
Nonlinear Effect on the BER and Spectrum Shape of OFDM, UFMC and FBMC for 5G Mobile Communication
Lee, Dong-Hyung; An, Changyoung; Kung, Kyung-Lok; Kim, Byeongjae; Ryu, Heung-Gyoon;
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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 power. In this paper, we analyze spectrum of OFDM, UFMC, and FBMC system under nonlinear HPA environment. And then we evaluate and analyze performance of these systems under the same environment. As simulation results, OOB power of OFDM, UFMC, and FBMC increases with HPA nonlinearity increasement. Especially, OOB power of FBMC is the largest increase due to HPA nonlinearity. Also, BER performance of these systems is degraded by increasement of HPA nonlinearity. Therefore, In this paper, we can confirm that a system with low-complexity and high-speed processing is advantageous, because BER performance and OOB power characteristic of these systems are degraded to similar level, when these systems are implemented in real world.
new waveform;OFDM;FBMC;UFMC;HPA nonlinearity;
 Cited by
5세대 이동통신을 위한 후보 변조기술들의 시간과 주파수 자원 비교 분석,안창영;유흥균;

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