Results 1 to 10 of about 10,985 (203)
Passive Backscatter Communication Scheme for OFDM-IM with Dynamic Carrier Activation [PDF]
Sensors, 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
Automatic Classification of 5G Waveform-Modulated Signals Using Deep Residual Networks [PDF]
SensorsModulation 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
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Chirp-based multicarrier modulation [PDF]
, 2012 In this paper we demonstrate that in doubly-dispersive environments, a multicarrier (MC) system based on a fractional Fourier transform (FrFT) can achieve a better concentration of power near the main diagonal of the equivalent channel matrix compared to
Solyman, Ahmed +2 more
core +2 more sources
Journal 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
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Performance Evaluation of Dual Tree Complex Wavelet Packet Modulation (Dt-Cwpm) System Over Multipath Rayleigh Fading Channel [PDF]
Engineering 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]
Acta 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
Frontiers 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
EURASIP 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
Multiple RF carrier distribution in a hybrid radio/fiber system employing a self-pulsating laser diode transmitter [PDF]
, 2002 A self-pulsating laser diode is used to generate a multicarrier microwave optical signal for use in a hybrid radio/fiber system. The self-pulsation frequency of the laser is controlled by external light injection, and can be varied between 14-24 GHz. The
Anandarajah, Prince M. +2 more
core +1 more source
MIMO signal processing in offset-QAM based filter bank multicarrier systems [PDF]
, 2016 Next-generation communication systems have to comply with very strict requirements for increased flexibility in heterogeneous environments, high spectral efficiency, and agility of carrier aggregation.
Caus, Marius +7 more
core +3 more sources