Results 1 to 10 of about 610 (179)

Exploiting Phase Memory in Multicarrier Waveforms for Robust Underwater Acoustic Communication [PDF]

open access: yesSensors
Reliable underwater acoustic (UWA) communication is fundamental to marine sensing applications, including environmental monitoring, underwater sensor networks, and autonomous platforms, yet remains severely challenged by multipath propagation, Doppler ...
Imran Tasadduq   +2 more
doaj   +2 more sources

Automatic Classification of 5G Waveform-Modulated Signals Using Deep Residual Networks [PDF]

open access: yesSensors
Modulation identification plays a crucial role in contemporary wireless communication systems, especially within 5G and future-generation networks that utilize a variety of multicarrier waveforms.
Haithem Ben Chikha   +2 more
doaj   +2 more sources

Passive Backscatter Communication Scheme for OFDM-IM with Dynamic Carrier Activation [PDF]

open access: yesSensors, 2023
Multicarrier backscattering has been proposed to improve the communication rate, but the complex circuit structure of multicarrier backscattering devices requires more power consumption, resulting in devices far away from the radio frequency (RF) source ...
Shibao Li, Rui Lu
doaj   +2 more sources

BER and PSD Improvement of FBMC with Higher Order QAM Using Hermite Filter for 5G Wireless Communication and beyond

open access: yesJournal of Electrical and Computer Engineering, 2023
Nowadays, multicarrier modulation schemes are being widely used in wireless communication system than single-carrier modulation techniques. Single-carrier modulation schemes are less capable of dealing with multipath fading channels than multicarrier ...
Hise Teferi Dumari   +3 more
doaj   +1 more source

Performance Evaluation of Dual Tree Complex Wavelet Packet Modulation (Dt-Cwpm) System Over Multipath Rayleigh Fading Channel [PDF]

open access: yesEngineering and Technology Journal, 2013
The effectiveness of Dual Tree Complex Wavelet Packet Modulation (DT-CWPM) with DQPSK modulation is investigated for communication over flat and frequency selective Rayleigh fading channel. The simulation results show that the performance of the proposed
Hikmat N. Abdullah   +2 more
doaj   +1 more source

UNIVERSAL FILTER MULTICARRIER MODULATION SYSTEM WITH VARIED PARAMETERS & IMPACT ON PAPR [PDF]

open access: yesActa Electrotechnica et Informatica, 2018
One of the main objectives of multicarrier modulation is to provide multiple accesses for wireless communication systems with higher data rates while having minimum out of band radiation, high spectral efficiency and less complexity.
Pooja RANI   +2 more
doaj   +1 more source

A Deep Neural Network-Based Interference Mitigation for MIMO-FBMC/OQAM Systems

open access: yesFrontiers in Communications and Networks, 2021
Offset quadrature amplitude modulation-based filter bank multicarrier (FBMC/OQAM) is among the promising waveforms for future wireless communication systems.
Abla Bedoui, Mohamed Et-tolba
doaj   +1 more source

Effects of Carrier Frequency Offset, Timing Offset, and Channel Spread Factor on the Performance of Hexagonal Multicarrier Modulation Systems

open access: yesEURASIP Journal on Wireless Communications and Networking, 2009
Hexagonal multicarrier modulation (HMM) system is the technique of choice to overcome the impact of time-frequency dispersive transmission channel. This paper examines the effects of insufficient synchronization (carrier frequency offset, timing offset ...
Xu Kui, Shen Yuehong
doaj   +2 more sources

Numerical analysis of UFMC and FBMC in wavelength conversion for radio over fiber systems using semiconductor optical amplifier

open access: yesAlexandria Engineering Journal, 2022
The 5G networks promise to use advanced access techniques and modulation formats to achieve new requirements of the huge number of users such as higher data, high speed, and low latency.
Yazan Alkhlefat   +2 more
doaj   +1 more source

Performance Analysis of Multicarrier Systems in the Presence of Smooth Nonlinearity

open access: yesEURASIP Journal on Wireless Communications and Networking, 2004
Most of the performance studies devoted to the analysis of multicarrier systems in the presence of nonlinear distortion assume that the multicarrier signal can be modeled as a random Gaussian process regardless of modulation format, guard interval ...
Zhidkov Sergey V
doaj   +2 more sources

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