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Suitability of OFDM in 5G Waveform-A Review


Affiliations
1 Department of Electronics and Communication Engineering, Koneru Lakshmaiah University, Vijayawada 522502, India
2 Department of Electrical and Computer Engineering, Sultan Qaboos University, Muscat, Box 33, Zip code 123, Oman
 

Systematic pursuits are being developed to set forth the framework for the Fifth Generation (5G) wireless standards. This paper emphases on the most extensively deployed technology - Orthogonal Frequency Division Multiplexing (OFDM) that has outpaced other waveform aspirants for Fourth Generation (4G) communication standards. Irrespective of the beneficial features, it does possess a number of significant limitations that mark it as an incompatible candidate for the upcoming 5G standard. This paper highlights on its major drawback i.e high Peak-to-Average Power Ratio (PAPR). Results state that PAPR does cause sudden upsurge to the output signal envelope causing further other damages. There exists a need for more flexible waveforms to replace the conventional OFDM in order to address the unprecedented challenges. The future research directions in the domain are presented.

Keywords

Communication, Multi-carrier, OFDM, Orthogonal Frequency Division Multiplexing, PAPR, Peak to Average Power Ratio, Wireless Technology, 5G.
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  • Suitability of OFDM in 5G Waveform-A Review

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Authors

Pathuri Lavanya
Department of Electronics and Communication Engineering, Koneru Lakshmaiah University, Vijayawada 522502, India
Penke Satyanarayana
Department of Electronics and Communication Engineering, Koneru Lakshmaiah University, Vijayawada 522502, India
Afaq Ahmad
Department of Electrical and Computer Engineering, Sultan Qaboos University, Muscat, Box 33, Zip code 123, Oman

Abstract


Systematic pursuits are being developed to set forth the framework for the Fifth Generation (5G) wireless standards. This paper emphases on the most extensively deployed technology - Orthogonal Frequency Division Multiplexing (OFDM) that has outpaced other waveform aspirants for Fourth Generation (4G) communication standards. Irrespective of the beneficial features, it does possess a number of significant limitations that mark it as an incompatible candidate for the upcoming 5G standard. This paper highlights on its major drawback i.e high Peak-to-Average Power Ratio (PAPR). Results state that PAPR does cause sudden upsurge to the output signal envelope causing further other damages. There exists a need for more flexible waveforms to replace the conventional OFDM in order to address the unprecedented challenges. The future research directions in the domain are presented.

Keywords


Communication, Multi-carrier, OFDM, Orthogonal Frequency Division Multiplexing, PAPR, Peak to Average Power Ratio, Wireless Technology, 5G.

References





DOI: https://doi.org/10.13005/ojcst12.03.01