Gabriel Goncalves Machado


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Personal profile


Dr. Gabriel Gonçalves Machado obtained his BSc degree in Electronic Engineering from the Federal University of Pernambuco, Brazil. He has a PhD in Electronic Engineering with focus in the area of antennas and propagation, obtained from Queen’s University Belfast (QUB), UK. His PhD was related to thin FSS based microwave absorbers for applications in ‘busy’ antenna environments and the reduction of the radar cross-sections of metal backed antennas.


In 2021, he joined as a research fellow at the Centre for Wireless Innovation (CWI), part of Queen’s University Belfast, and his research has involved: virus and microwave interaction, GNSS antenna development, microwave absorbers, and his most recent focus is on the development of millimetre wave Reconfigurable Intelligent Surfaces (RIS) for 5G and 6G communications.


He joined Ulster University in August 2023, where he teaches Embedded Systems and Sensors to MSc in IoT students. Beyond his interest in RIS development, he has a particular interest in the development of devices and practices in antennas and propagation focused towards sustainability, e-waste reduction, and energy efficiency.

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 4 - Quality Education
  • SDG 7 - Affordable and Clean Energy
  • SDG 9 - Industry, Innovation, and Infrastructure
  • SDG 11 - Sustainable Cities and Communities
  • SDG 12 - Responsible Consumption and Production

Education/Academic qualification

PhD, Stealth Technologies Based on Thin Microwave FSS Absorbers, Queen's University Belfast

14 Sept 201716 Dec 2020

Award Date: 21 Jul 2021

External positions

Research Fellow

25 Jan 202131 Jul 2023


  • TK Electrical engineering. Electronics Nuclear engineering
  • Frequency Selective Surface
  • Metasurface
  • Antennas
  • Antenna Arrays
  • Reconfigurable Intelligent Surface
  • Intelligent Reflective Surface
  • Microwave


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