Analysis of OFDM system using DCT-PTS-SLM based approach for multimedia applications
Sign Up to like & getrecommendations! Published in 2018 at "Cluster Computing"
DOI: 10.1007/s10586-018-2140-0
Abstract: In last decade, wireless communications have observed a substantial development. However, wireless channels involve some disadvantages, like multipath fading, which make them hard to cope with. A modulation that efficiently deals with selective fading channels… read more here.
Keywords: ofdm system; analysis ofdm; ofdm; multimedia ... See more keywords
Performance Investigations and PAPR Reduction Analysis Using Very Efficient and Optimized Amended SLM Algorithm for Wireless Communication OFDM System
Sign Up to like & getrecommendations! Published in 2020 at "Wireless Personal Communications"
DOI: 10.1007/s11277-020-07563-0
Abstract: The orthogonal frequency division multiplexing (OFDM) is the most encouraging multi-carrier modulation system chosen for the high data rates but the objective is to resolve intrinsic common issue of peak to average power ratio (PAPR).… read more here.
Keywords: phase; system; slm algorithm; ofdm system ... See more keywords
OFDM system with cyclostationary feature detection spectrum sensing
Sign Up to like & getrecommendations! Published in 2019 at "ICT Express"
DOI: 10.1016/j.icte.2018.01.007
Abstract: Abstract In Orthogonal Frequency Division Multiplexing OFDM, a cyclic prefix (CP) is applied to reduce the intervention between symbols. The CP results in bandwidth wastage, and the solution to this problem leads to the cognitive… read more here.
Keywords: ofdm system; spectrum; cyclostationary feature; system cyclostationary ... See more keywords
IQ Symbols Processing Schemes with LSTMs in OFDM System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3170410
Abstract: IQ modulation enjoys great popularity in wireless communication. Its main advantage is the symmetric convenience of combining independent signal components into a single composite signals in the transmitter. And it splits the composite signal into… read more here.
Keywords: lstms ofdm; symbols processing; schemes lstms; ofdm system ... See more keywords
Performance Evaluation of Uplink Multiuser MIMO-OFDM System With Single RF Chain Receiver
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3216008
Abstract: In response to the recent increase in wireless-traffic demand in various wireless communication networks, the number of spatial multiplexings, represented by multiple input multiple output (MIMO) systems, has been increasing. Assuming a realistic hardware configuration… read more here.
Keywords: system; chain receiver; multiuser mimo; uplink multiuser ... See more keywords
A Downlink Multiuser MIMO–OFDM System With Nonideal Oscillators and Amplifiers: Characterization and Performance Analysis
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2020.2997654
Abstract: In this article, we analytically investigate the performance of a downlink multiuser (MU) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system with hardware impairments. Specifically, we focus on the joint impact of nonideal oscillators… read more here.
Keywords: performance; ofdm system; system; mimo ofdm ... See more keywords
STO Estimation for OFDM System Using CDM
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3197812
Abstract: In this letter, we propose a novel scheme for symbol timing offset (STO) estimation by using a convolutional neural network (CNN)-deep neural network (DNN) model (CDM) architecture for the orthogonal frequency division multiplexing (OFDM) system… read more here.
Keywords: estimation ofdm; system using; ofdm system; estimation ... See more keywords
A Computationally Efficient Direct Position Determination Algorithm Based on OFDM System
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3231548
Abstract: Based on the orthogonal frequency division multiplexing (OFDM) system, a computationally attractive implementation for the traditional single source maximum likelihood (SML) direct position determination (DPD) algorithm is proposed. The proposed algorithm implements fast Fourier transform… read more here.
Keywords: sml; algorithm; direct position; ofdm system ... See more keywords
140-Gb/s PS-256-QAM Transmission in an OFDM System Using Kramers–Kronig Detection
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2929524
Abstract: We experimentally demonstrate an orthogonal frequency-division multiplexing (OFDM) system with direct detection. Adopting Kramers–Kronig (KK) detection and probabilistic shaping (PS) technology, 140-Gb/s 256-QAM signal can be successfully transmitted over 25-km standard single-mode fiber (SSMF), which… read more here.
Keywords: kronig detection; 256 qam; ofdm system; 140 256 ... See more keywords
Asynchronous Reception Effects on Distributed Massive MIMO-OFDM System
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2019.2908401
Abstract: In a distributed massive multiple-input and multiple-output (DM-MIMO) orthogonal frequency division multiplexing (OFDM) system, each of the multiple receivers receives the OFDM signals simultaneously from all transmitters intended for itself and other receivers. Due to… read more here.
Keywords: asynchronous reception; ofdm system; system; mimo ofdm ... See more keywords
Secure OFDM System Design and Capacity Analysis Under Disguised Jamming
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Information Forensics and Security"
DOI: 10.1109/tifs.2019.2929449
Abstract: In this paper, we propose a securely precoded OFDM (SP-OFDM) system for efficient and reliable transmission under disguised jamming, where the jammer intentionally misleads the receiver by mimicking the characteristics of the authorized signal and… read more here.
Keywords: secure; ofdm; ofdm system; capacity ... See more keywords