NDLI: Multicarrier modulation with variable peak-to-average power ratio using partial fast Fourier transform

Content Provider	IET Digital Library
Author	Nayar, Himanshu Ribeiro, Vinay J. Mallik, Ranjan K.
Abstract	The authors present a novel frequency division multiplexing scheme which can generate a signal whose worst-case peak-to-average power ratio (PAPR) is tunable by an input parameter; they call this scheme tunable PAPR frequency division multiplexing (TP-FDM). Special cases of TP-FDM are orthogonal FDM (OFDM) and single carrier (SC) modulation. Unlike several other proposed PAPR reduction schemes, TP-FDM requires no per-symbol side information to be sent from transmitter to receiver. TP-FDM has overall computational requirements almost the same as OFDM. The author's study of the symbol error rate (SER) of TP-FDM in a Rayleigh fading channel shows that higher PAPR signals give a better SER performance. Thus, instead of choosing either of the extremes, OFDM and SC modulation, as is currently done in some cellular systems, one can tune the PAPR with TP-FDM to the maximum suitable for the transmitter and receiver device electronics, so as to minimise SER. They compare and contrast TP-FDM with transform precoded OFDM methods in terms of SER and PAPR. They also extend TP-FDM to a multi-user scenario.
Starting Page	1450
Ending Page	1457
Page Count	8
ISSN	17518628
Volume Number	9
e-ISSN	17518636
Issue Number	Issue 12, Aug (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/9/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2014.1086
Journal	IET Communications
Publisher Date	2015-06-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Communication Switching Fast Fourier Transform Frequency Division Multiplexing Frequency Division Multiplexing Scheme Integral Transforms Modulation Modulation And Coding Method Multicarrier Modulation OFDM Orthogonal FDM PAPR Reduction Partial Fast Fourier Transform Radio Link And Equipment Radio Transmitters Rayleigh Channel Rayleigh Fading Channel Receiver Receiver Device Electronics SER Single Carrier Modulation Symbol Error Rate TP-FDM Transform Precoded OFDM Method Transmitter Transmitter Device Electronics Tunable PAPR Frequency Division Multiplexing Variable Peak-to-average Power Ratio
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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