期刊
ETRI JOURNAL
卷 43, 期 2, 页码 209-220出版社
WILEY
DOI: 10.4218/etrij.2019-0358
关键词
5G; bit error rate; filtered orthogonal frequency division multiplexing; out-of-band emission; partial transmit sequence; peak-to-average power ratio
This study investigates the performance of an F-OFDM system using the Partial Transmit Sequence (PTS) technique compared to the traditional OFDM system in terms of peak-to-average power ratio (PAPR), bit error rate (BER), and out-of-band emission (OOBE) performance. The results show that the F-OFDM system with PTS outperforms the OFDM system in these aspects.
The filtered orthogonal frequency division multiplexing (F-OFDM) system has been recommended as a waveform candidate for fifth-generation (5G) communications. The suppression of out-of-band emission (OOBE) and asynchronous transmission are the distinctive features of the filtering-based waveform frameworks. Meanwhile, the high peak-to-average power ratio (PAPR) is still a challenge for the new waveform candidates. Partial transmit sequence (PTS) is an effective technique for mitigating the trend of high PAPR in multicarrier systems. In this study, the PTS technique is employed to reduce the high PAPR value of an F-OFDM system. Then, this system is compared with the OFDM system. In addition, the other related parameters such as frequency localization, bit error rate (BER), and computational complexity are evaluated and analyzed for both systems with and without PTS. The simulation results indicate that the F-OFDM based on PTS achieves higher levels of PAPR, BER, and OOBE performances compared with OFDM. Moreover, the BER performance of F-OFDM is uninfluenced by the use of the PTS technique.
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