dc.creatorKamal, Shaharyar
dc.creatorAzurdia Meza, César
dc.creatorLee, Kyesan
dc.date.accessioned2019-05-29T13:10:18Z
dc.date.available2019-05-29T13:10:18Z
dc.date.created2019-05-29T13:10:18Z
dc.date.issued2017
dc.identifierWireless Pers Commun (2017) 95:4095–4111
dc.identifier1572834X
dc.identifier09296212
dc.identifier10.1007/s11277-017-4044-3
dc.identifierhttps://repositorio.uchile.cl/handle/2250/168790
dc.description.abstractPulse shaping is used in orthogonal frequency division multiplexing (OFDM) based systems to reduce inter-carrier interference (ICI) power and peak-to-average power ratio (PAPR), which are considered the major weaknesses in OFDM-based systems. A novel family of Nyquist-I pulses called sinc exponential pulse (SEP) is proposed, and it is characterized by two new design parameters that provide extra degrees of freedom for a certain roll-off factor, alpha. SEP effectively decreases the relative magnitude of the two largest side lobes of the SEP frequency function, which minimizes the ICI power and reduces the PAPR in OFDM systems. Furthermore, the SEP possesses a broader main lobe, which provides sufficient improvement in bit-error-rate (BER). The behavior of the SEP is examined in the time and frequency domain by tuning its design parameters to obtain the sub-optimum SEP. Theoretical and simulation results show that the sub-optimum SEP performs better than other existing pulses in terms of ICI power, signal-to-interference ratio (SIR) power, BER, and PAPR in OFDM-based systems.
dc.languageen
dc.publisherSpringer
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile
dc.sourceWireless Personal Communications
dc.subjectFrequency offset
dc.subjectInter-carrier interference (ICI)
dc.subjectNyquist-I pulses
dc.subjectOFDM
dc.subjectPeak-to-average power ratio (PAPR)
dc.subjectPulse shaping functions
dc.titleImproved Nyquist-I Pulses to Enhance the Performance of OFDM-Based Systems
dc.typeArtículo de revista


Este ítem pertenece a la siguiente institución