The impact of out of band emissions: A measurement based performance comparison of UF-OFDM and CP-OFDM

Goztepe, Caner; Kurt, Güneş Karabulut

doi:10.1016/j.phycom.2018.12.018

Cited by 6 publications

(3 citation statements)

References 41 publications

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“…where k = 0, 1, 2, • • • , N − 1, and casθ = cos θ + sin θ represent the precoding matrix kernel. It is clear from (13) and ( 14) that both forward and inverse Hartley transforms are identical and are invertible transforms.…”

Section: ) Discrete Hartley Transformmentioning

confidence: 99%

“…In these new waveforms, UFMC is a novel multi-carrier modulation technique, that is currently being proposed as an attractive waveform candidate for next-generation wireless communication [8], [9]. In recent years, a great deal of research has been done to investigate the ability of UFMC to support advance applications for 5G communications systems [8]- [13]. A coordinated multi-point (CoMP) reception technique with UFMC (CoMP-UFMC) have been proposed in the presence of multiple CFOs [8].…”

Section: Introductionmentioning

confidence: 99%

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Performance Analysis of Hybrid Peak to Average Power Ratio Reduction Techniques in 5G UFMC Systems

2019

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The universal filtered multi-carrier (UFMC) technique has been proposed as a prominent waveform candidate for fifth generation (5G) communication techniques. However, UFMC systems exhibit a high peak-to-average power ratio (PAPR), which causes serious degradation in the performance of the system. Therefore, this paper puts forward an effective hybrid PAPR reduction method to reduce the high PAPR of the UFMC system. The proposed hybrid scheme consists of a combination of precoding and nonlinear companding techniques (NLCTs). A comparative analysis of the performance of different precoding methods, NLCTs, and hybrid methods are investigated in terms of the cumulative distribution function of the PAPR and the bit error rate (BER). The simulation results show that the proposed hybrid UFMC system has better PAPR reduction performance compared to conventional NLC and precoded UFMC systems. Moreover, the BER analysis of the UFMC system verifies that the proposed hybrid technique shows better BER performance compared to conventional companding techniques.INDEX TERMS Peak-to-average power ratio (PAPR), precoding techniques, non-linear companding techniques, hybrid PAPR reduction techniques, universal filtered multi-carrier (UFMC), 5G.

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Section: ) Discrete Hartley Transformmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance Analysis of Hybrid Peak to Average Power Ratio Reduction Techniques in 5G UFMC Systems

2019

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“…After computing an M-point IFFT over each sub-band, a band filter is applied. In fact, the use of the Dolph-Chebyshev bandpass filter (BPF) helps to tackle the OOB emissions [91,97]. Next, the filtered sub-bands are superposed and sent through the channel.…”

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confidence: 99%

A Survey on MIMO-OFDM Systems: Review of Recent Trends

Harkat

Monteiro

Gameiro

et al. 2022

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MIMO-OFDM is a key technology and a strong candidate for 5G telecommunication systems. In the literature, there is no convenient survey study that rounds up all the necessary points to be investigated concerning such systems. The current deeper review paper inspects and interprets the state of the art and addresses several research axes related to MIMO-OFDM systems. Two topics have received special attention: MIMO waveforms and MIMO-OFDM channel estimation. The existing MIMO hardware and software innovations, in addition to the MIMO-OFDM equalization techniques, are discussed concisely. In the literature, only a few authors have discussed the MIMO channel estimation and modeling problems for a variety of MIMO systems. However, to the best of our knowledge, there has been until now no review paper specifically discussing the recent works concerning channel estimation and the equalization process for MIMO-OFDM systems. Hence, the current work focuses on analyzing the recently used algorithms in the field, which could be a rich reference for researchers. Moreover, some research perspectives are identified.

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PAPR reduction using twin symbol hybrid optimization-based PTS and multi-chaotic-DFT sequence-based encryption in CP-OFDM system

2021

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The impact of out of band emissions: A measurement based performance comparison of UF-OFDM and CP-OFDM

Cited by 6 publications

References 41 publications

Performance Analysis of Hybrid Peak to Average Power Ratio Reduction Techniques in 5G UFMC Systems

Performance Analysis of Hybrid Peak to Average Power Ratio Reduction Techniques in 5G UFMC Systems

A Survey on MIMO-OFDM Systems: Review of Recent Trends

PAPR reduction using twin symbol hybrid optimization-based PTS and multi-chaotic-DFT sequence-based encryption in CP-OFDM system

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