Enhanced OFDM-NOMA for next generation wireless communication: A study of PAPR reduction and sensitivity to CFO and estimation errors
Sign Up to like & getrecommendations! Published in 2019 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2019.01.009
Abstract: Abstract Orthogonal Frequency Division Multiplexing (OFDM) based on Non-Orthogonal Multiple Access (NOMA) has been previously studied to fulfil the demands of high spectral efficiency, massive connectivity and resilience to frequency selectivity for the upcoming fifth… read more here.
Keywords: wireless communication; cfo; frequency; sensitivity ... See more keywords
CFO Estimation Based on Auto-Correlation With Flexible Intervals for OFDM Systems With 1-bit ADCs
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3001226
Abstract: For orthogonal frequency division multiplexing (OFDM) systems, the carrier frequency offset (CFO) estimation is required for the frequency synchronization before the data reception. When 1-bit ADCs are employed in OFDM systems, the available information is… read more here.
Keywords: ofdm systems; bit adcs; based auto; cfo estimation ... See more keywords
CNN-Attention-DNN Design for CFO Estimation of Non-Pilot-Assisted OFDM System
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3228732
Abstract: In this letter, we propose a novel attention mechanism inspired convolutional neural network (CNN)-deep neural network (DNN) called CAD model architecture for carrier frequency offset (CFO) estimation in orthogonal frequency division multiplexing (OFDM) systems. The… read more here.
Keywords: neural network; cfo estimation; frequency; attention ... See more keywords
Blind Fast CFO Estimation and Performance Analysis for OFDM
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2020.3012968
Abstract: Estimation of carrier frequency offset (CFO) is a crucial task for orthogonal frequency-division multiplexing (OFDM) systems, and it should be performed with affordable computational complexity for practicality. This paper proposes two blind and fast CFO… read more here.
Keywords: performance; blind fast; performance analysis; cfo estimation ... See more keywords
Blind CFO Estimation in a UFMC System Aided With Virtual Carriers
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2022.3146765
Abstract: This letter studies the design of blind estimation technique for carrier frequency offset (CFO) in a universal filtered multicarrier (UFMC) system. We first propose a preliminary scheme, and then further devise a series of improved… read more here.
Keywords: cfo estimation; ufmc system; estimation; estimation ufmc ... See more keywords