Hồ Văn Cừu

ORCID: 0000-0001-9650-549X
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Research Areas
  • Advanced MIMO Systems Optimization
  • Wireless Communication Security Techniques
  • Advanced Wireless Communication Technologies
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Multiferroics and related materials
  • Cooperative Communication and Network Coding
  • Magnetic Properties and Synthesis of Ferrites
  • Iron oxide chemistry and applications
  • Nonlinear Optical Materials Studies
  • Fuzzy Logic and Control Systems
  • Microgrid Control and Optimization
  • Optical Wireless Communication Technologies
  • Power Quality and Harmonics
  • Energy Harvesting in Wireless Networks
  • Advanced Wireless Communication Techniques
  • Adaptive Control of Nonlinear Systems
  • Vehicular Ad Hoc Networks (VANETs)
  • Islanding Detection in Power Systems
  • Time Series Analysis and Forecasting
  • Molecular Communication and Nanonetworks
  • UAV Applications and Optimization
  • Complex Systems and Time Series Analysis
  • Ocular Disorders and Treatments
  • Nanomaterials for catalytic reactions
  • Electric Power Systems and Control

Saigon University
2016-2025

Văn Hiến University
2016-2019

Vietnam Posts and Telecommunications Group (Vietnam)
2016

Posts and Telecommunications Institute of Technology
2016

In this work, we explore the electronic and optical properties of SiH/γ-GeSe heterostructure using first-principles calculations, emphasizing its remarkable tunability under applied electric fields. Our findings demonstrate that exhibits stability, indicating feasibility for future synthesis. The type-I band alignment an indirect gap, with absorption characteristics revealing enhanced in specific energy regions, highlighting potential advanced optoelectronic applications. Under influence...

10.1039/d5na00181a article EN cc-by Nanoscale Advances 2025-01-01

Abstract In recent years, the development of intelligent reflecting surface (IRS) in wireless communications has enabled control radio waves to reduce detrimental impacts natural propagation. These can achieve significant spectrum and energy efficiency networks. Non-orthogonal multiple access (NOMA) technology, on other hand, is predicted improve fifth-generation later Motivated by this reality, we consider IRS-based NOMA network downlink uplink scenario with a pernicious eavesdropper....

10.1186/s13638-023-02309-5 article EN cc-by EURASIP Journal on Wireless Communications and Networking 2023-10-11

We successfully prepared Au nanoparticles using the modified polyol methods and design of experiments. The desirable crystal structure particle size with various kinds polyhedral spherical shapes as well their morphologies or complete rough surfaces were experimentally predicted in TEM XRD measurements according to theoretical calculation data. fine formation nanostructures by EG, PVP, NaBH4 is great importance practical applications. Our research shows that critical nucleation, growth,...

10.3390/cryst11111297 article EN cc-by Crystals 2021-10-26

This study reports the synthesis of Cu micro-/nanosized particles through polyol process. were synthesized by reducing copper(ii) chloride in ethylene glycol (EG), polyvinylpyrrolidone (PVP), and potassium bromide (KBr) at low temperatures with or without use sodium borohydride (NaBH4).

10.1039/d4ra03643c article EN cc-by-nc RSC Advances 2024-01-01

This paper proposes a new approach for modelling Vehicular Ad Hoc Networks (VANETs) based on stochastic geometry and point processes, where road systems are modelled as random lines process vehicle’s locations linear Poisson processes. We derive some functions, which show the connectivity properties of VANETs under impact fading path loss, that can be used large vehicular networks analysis.

10.21553/rev-jec.54 article EN REV Journal on Electronics and Communications 2013-10-01

In this research, controlled synthesis and properties of micro/nano-sized magnetic oxide powders via a polyol process are discussed. They the original oxides that have been studied by many scholars because their applications. The most special forms diversity FeO Fe2O3, Fe3O4 matrix which important structures with formulas to be FeO.Fe2O3 (Fe3O4) Fe2O3 can systems FexOy very common different. On basis structures, we synthesize ferrite hexaferrite related four AB2O4-spinel-type SrFe2O4 BaFe2O4...

10.17352/2455-3492.000054 article EN International Journal of Nanomaterials Nanotechnology and Nanomedicine 2023-11-07

In this paper, we study two important secure performance metrics of cluster-based multihop relaying networks under the presence eavesdropper with imperfect main channel estimation. At each hop, partial relay selection is used to improve performance. particular, derive system outage probability and non-zero secrecy capacity over Rayleigh fading channels, which are then investigate effect state information on Simulations performed verify correctness analysis approach.

10.1109/atc.2016.7764756 article EN 2016-10-01

In this paper, we derive the secure outage probability for distributed switch-and-stay combining (DSSC) networks over Rayleigh fading channels. Monte Carlo simulations are performed to verify analysis and confirm advantage of proposed DSSC direct transmission incremental relay networks.

10.1109/nics.2016.7725631 article EN 2016-09-01

<span lang="EN-US">In this paper, the secrecy performance of spatial modeling for ground devices with randomly placed eavesdroppers when an unmanned aerial vehicle (UAV) acted as two hops decode and forward (DF) was investigated. We characterize outage probability (SOP) intercept (IP) expressions. Our capacity analysis is based on Rayleigh fading distributions. After analytical results by Monte Carlo simulation, Gauss-Chebyshev parameter selected to yield a close approximation,...

10.11591/ijece.v13i6.pp6410-6418 article EN International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering 2023-09-24

In this research, we have mainly focused on the controlled synthesis, and properties of micro/nanosized ferrite hexaferrite powders by polyol process. They are Fe 3 O 4 -type Sr-Fe-O oxide SrFe 12 19 with structure magnetic SEM, XRD, VSM measurements. After heat treatment, it was discovered that Sr element gradually fully incorporated into for formation original at 950°C.

10.1051/e3sconf/202449601005 article EN cc-by E3S Web of Conferences 2024-01-01

In our present research, we have presented research on synthesizing micro/nanosized Fe3O4 (magnetite-type) by the polyol process, heat treatment, annealing and sintering processes. The structural change of above material from low temperature to high temperature, magnetic ferromagnetism into α-Fe2O3 when as-prepared samples oxides are isothermally treated temperature. Finally, it is experimentally confirmed that a significant magnetite-type structure hematite-type (hematite-type).

10.15625/0868-3166/20630 article EN Communications in Physics 2024-07-15

The requirements of low latency, cost, less energy consumption, high flexibility, network capacity, and data safety are crucial challenges for future Internet Things (IoT) wireless networks. Motivated by these challenges, this study deals with a novel design green-cooperative IoT network, which employed coupled relays consisting one relay selected forwarding signals to multiple devices while another transmitted jamming an eavesdropper. For all nodes were powered solar enough sustain...

10.3390/fi14030071 article EN cc-by Future Internet 2022-02-24

Bit error rate (BER) and symbol (SER) performance response fading parameter for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system over Nakagami-m channel would be provided in this study. Some simulations evaluations were 2×2 MIMO-OFDM which data are sent from two transmit antennas to receive antennas. In study, authors have used binary phase-shift keying (BPSK) quadrature (QPSK) modulation techniques modulate the stream. addition, numerical...

10.15625/0866-708x/54/6/8311 article EN Vietnam Journal of Science and Technology/Science and Technology 2016-12-07
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