PAPR Reduction in UFMC for 5G Cellular Systems
Abstract
:1. Introduction
- We assess the performance of the proposed Dcomp-SLM using communication metrics such as BER and EVM, in the presence of Rayleigh fading and AWGN channels.
- We maintain the same order of computational complexity as conventional SLM methods; however, with superior PAPR mitigation performance.
2. The UFMC System Model
2.1. UFMC Transmitter
2.2. UFMC Receiver
3. The Proposed Dcomposed SLM PAPR Reduction Technique
4. Numerical Results and Discussions
4.1. The CCDF-PAPR Performance
4.2. BER and EVM Performance
4.3. The PSD Performance
4.4. Discussions
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Parameter | SLM-UFMC System |
---|---|
Number of data sub-carriers, | 300 |
FFT size, N | 512 |
Cyclic prefix length, | 128 |
Modulation order, M | QPSK and 16-QAM |
Filter length, | 37 |
Number of sub-bands, B | 30 |
Sub-band size, | 10 |
High power amplifier (HPA) | SSPA (Rapp’s Model) |
Channel model | Rayleigh fading channel |
No of paths in fading channel, L | 64 |
Number of phase vectors, U | 4, 6, and 8 |
Filter type | Dolph-Chebyshev |
Side lobe attenuation, | 60 dB |
input back off () of SSPA | 5, 7, and 9 |
Smoothness factor of SSPA, p | 3 |
Technique [Ref.] | Simulation Parameters | Parameters of Comparisons | |||||
---|---|---|---|---|---|---|---|
PAPR (dB) | SNR (dB) | PSD (dB) | Computational Complexity | ||||
CCFD = 10 | BER = 10 | at 1st SLL (OOB) | Multiplication | Addition | |||
SLM | Dcomp-SLM (proposed) | U = 6, N = 512, B = 30, = 10, 16-QAM | 8.2 | 14 for AWGN and 30 for Rayleigh channels | −95 | ||
P-SLM [20] | U = 16, N = 512, B = 25, = 12, 16-QAM | 8.4 | min. BER = 7 for Rayleigh channel | −93 | |||
E-SLM [37] | U = 16, N = 512, B = 25, = 12, 16-QAM | 8.6 | min. BER = 7 for Rayleigh channel | −93 | |||
PTS | PTS [34] | U = 16, N = 256, 4-QAM | 7 | 18.3 for AWGN channel | −93 | ||
LC-PTS [35] | N = 512, B = 32 V = 4, K = 8 4-QAM | 8.8 | min. BER = 5 for AWGN channel | NA |
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Al-Rayif, M.I.; Seleem, H.E.; Ragheb, A.M.; Alshebeili, S.A. PAPR Reduction in UFMC for 5G Cellular Systems. Electronics 2020, 9, 1404. https://doi.org/10.3390/electronics9091404
Al-Rayif MI, Seleem HE, Ragheb AM, Alshebeili SA. PAPR Reduction in UFMC for 5G Cellular Systems. Electronics. 2020; 9(9):1404. https://doi.org/10.3390/electronics9091404
Chicago/Turabian StyleAl-Rayif, Mohammed I., Hussein E. Seleem, Amr M. Ragheb, and Saleh A. Alshebeili. 2020. "PAPR Reduction in UFMC for 5G Cellular Systems" Electronics 9, no. 9: 1404. https://doi.org/10.3390/electronics9091404