Vivek Singh

ORCID: 0000-0001-7569-0104
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Antenna Design and Analysis
  • Microwave Engineering and Waveguides
  • Advanced Antenna and Metasurface Technologies
  • Energy Harvesting in Wireless Networks
  • Antenna Design and Optimization
  • Advanced MIMO Systems Optimization
  • Coal Properties and Utilization
  • Millimeter-Wave Propagation and Modeling
  • Heat Transfer and Optimization
  • Solar Thermal and Photovoltaic Systems
  • Phase Change Materials Research
  • Hydrocarbon exploration and reservoir analysis
  • Spacecraft and Cryogenic Technologies
  • Spacecraft Design and Technology
  • Thermochemical Biomass Conversion Processes
  • Heat Transfer Mechanisms
  • Radio Frequency Integrated Circuit Design
  • Advanced Thermoelectric Materials and Devices
  • Wireless Body Area Networks
  • Atmospheric and Environmental Gas Dynamics
  • Full-Duplex Wireless Communications
  • Thermodynamic properties of mixtures
  • Nanofluid Flow and Heat Transfer
  • Coal Combustion and Slurry Processing
  • Adsorption and Cooling Systems

Central Institute of Mining and Fuel Research
2009-2025

Acharya Nagarjuna University
2022-2025

Indian Space Research Organisation
2018-2025

Society for Applied Microwave Electronics Engineering & Research
2017-2024

Visvesvaraya Technological University
2023-2024

M.J.P. Rohilkhand University
2024

Ministry of Science and Technology
2022

Indian Institute of Science Bangalore
2022

Academy of Scientific and Innovative Research
2020-2021

Institute of Engineering
2020

10.1016/j.icheatmasstransfer.2022.105993 article EN International Communications in Heat and Mass Transfer 2022-04-21

In this communication, a planar dual port multiple input output antenna of size 1.2λ0 × 0.6λ0 0.008λ0 with LHCP/RHCP features is reported for the fifth-generation new radio n77/n78 sub-6 GHz wireless applications band. The single unit proposed design consists modified L-shape rectangular radiator Z-shape slot loaded DGS. defected ground structure optimized through machine learning algorithms to achieve maximum ARBW (output) by Right Shifting (RS) and left shifting (LS) DGS obtaining...

10.1038/s41598-023-41302-2 article EN cc-by Scientific Reports 2023-08-26

This article presents a circularly polarized 4-port Multiple Inputs Outputs dielectric resonator-based antenna with two resonating bands for WLAN (5.0 GHz) and WiMAX (3.5 applications. Important attributes of proposed MIMO-DRA are: (i) Bandwidth enhancement is observed due to the use ring-shaped ceramic material radiator; (ii) Incorporation rectangular aperture lead excite dual hybrid mode in ring DRA, which helps support dual-frequency range (iii) Circular polarization achieved both...

10.1080/09205071.2020.1801522 article EN Journal of Electromagnetic Waves and Applications 2020-08-06

Summary In this communication, a dual port printed multi‐input and multi‐output (MIMO) antenna with high isolation of dimension 12 × 8.5 0.8 mm 3 is designed, analyzed, investigated for 28‐GHz 5G mm‐wave applications. The metasurface layer suspended over the MIMO to convert linearly polarized (LP) wave circularly (CP) wave. unit cell consists square‐shaped conducting strip one side diagonal points interconnected. rectangular gap between strips etched on substrate are capable generating π/2...

10.1002/dac.5737 article EN International Journal of Communication Systems 2024-02-15

In this article, a novel configuration of ring dielectric resonator-based multiple input output antenna (MIMO) is proposed with beam tilting characteristic. To achieve the and low correlation among far-field patterns, conducting plate positioned in between elements. Dual resonating frequencies are obtained by exciting DRA electromagnetically microstrip line via optimized double-ring loaded slots. All ports arranged parallel fashion. Port-1/port-2 placed 1800 out phase port-3/port-4. The...

10.1080/02564602.2020.1862714 article EN IETE Technical Review 2021-01-04

Abstract This study presents a novel printed antenna design that operates at the millimeter-wave frequencies of 28 and 34 GHz, which are crucial for current upcoming mobile communication generations. The radiating component in is slot-etched rectangular ring fed through stepped impedance microstrip line feed. Using advanced machine learning techniques, parameters suggested have been fine-tuned to ensure optimal matching GHz within frequency range 27.61–28.49 GHz. Additionally, also provides...

10.1038/s41598-025-90103-2 article EN cc-by Scientific Reports 2025-02-19

Lignite has emerged as a critical material in contemporary energy portfolios, particularly electricity generation. However, this work explores lignite's potential beyond conventional uses, exploring on its conversion applications. In pioneering move, lignite samples have been directly utilized materials for photothermal applications, along with description of their geochemical features, such sulfur compositions, forms, and microscopic characteristics. Among the twenty that were geologically...

10.1038/s41598-024-84266-7 article EN cc-by-nc-nd Scientific Reports 2025-02-26

Abstract This article presents a dual-band to wideband Frequency Agile (FA) rectangular dielectric resonator (DR) based hybrid MIMO antenna for 5G New Radio (NR) application with connected ground. The DR is made of Al 2 O 3 (ε r = 9.8) ceramic material. FA achieved through the PIN Diode switches. When in an “ON” state, it provides dual bands due excitation TE 111 mode. “OFF” characteristics and 211 modes DR. isolation gain are by 20 dB 4.3 dBi, respectively. maximum tuning range 49.36....

10.1038/s41598-025-93856-y article EN cc-by Scientific Reports 2025-03-20

With rapid urbanization, India generates millions of tonnes scrap annually, leading to landfill overflow and environmental degradation. However, the absence a structured waste collection system makes it difficult for households businesses dispose efficiently, relying on irregular visits from ragmen. The industry also lacks transparency, allowing dealers exploit sellers with unfair pricing uncertain weight measurements. Additionally, pickers struggle earn stable livelihood due intense...

10.55041/ijsrem44023 article EN INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 2025-04-08

In this article, a compact, planar, 4-port ultra-wideband (UWB) multiple-input–multiple-output (MIMO) antenna is conceived for fifth-generation millimeter-wave applications. The suggested MIMO architecture consists of four identical hexagonal-shaped slotted ground plane and microstrip line feeds. antenna's components are arranged orthogonally to one another provide high level inter-element isolation. prototype constructed on (12.5×12.5×0.8 mm3) Duroid 5880 substrate having relative...

10.1080/03772063.2022.2091044 article EN IETE Journal of Research 2022-06-30
Coming Soon ...