Career
| Sep 2022 | Researcher at Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR |
| Sep 2014 – Aug 2022 | Research Assistant, Institute of High Frequency Technology, RWTH Aachen University |
| April 2014 – May 2014 | Student Assistent at Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR |
| Aug 2013 – Feb 2014 | Master Thesis, "Design of a Compact Controlled Reception Pattern Antenna for GNSS Applications" |
| April 2013 – Nov 2014 | Student Assistent at Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR |
| Nov 2012 – Mar 2013 | Internship at Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR |
| May 2012 - Okt 2012 | Student Assistent at Institute of High Frequency Technology, RWTH Aachen University |
| Oct 2011 – May 2014 | Studium ''Master of Science in Communications Engineering" , RWTH Aachen University |
Awards
| 11.12.2020 | APMC 2020 Student Prize | 2020 IEEE Asia-Pacific Microwave Conference (APMC), Hong Kong, Hong Kong |
| 13.11.2018 | The 2nd prize for the IET Antennas and Propagation Network "Best Student Paper" | The Loughborough Antennas & Propagation Conference (LAPC2018), Loughborough, UK |
| 15.05.2014 | Diploma for the work "Design and Evaluation of a Textile-Integrated GPS Receiver" | 19th International Student Conference on Electrical Engineering POSTER 2015, Prag |
Main Research and Projects
| Antenna design and optimization |
| SBDist: Sichere und latenzarme Breitbandübertragung über kurze Distanzen |
| GeReLEO-MFA: Multi-Feed Antenna Array for geostationary satellites |
Publications
2021
W. Alshrafi,
A. Al-Bassam and
D. Heberling,
"Grating Lobe Reduction Using Tilted Beam Unit Cell in Series-Fed Patch Periodic Leaky-Wave Antennas"
in 15th European Conference on Antennas and Propagation (EuCAP),
Düsseldorf (Germany),
Mar.
2021,
pp. 1-5.
| DOI: | 10.23919/EuCAP51087.2021.9411118 |
2020
W. Alshrafi and
D. Heberling,
"Grating Lobe Mitigation in Linear Phased Array Antennas Using Leaky-Mode of Bed of Nails"
in IEEE Asia-Pacific Microwave Conference (APMC),
Hong Kong (Hong Kong),
Dec.
2020,
pp. 281-283.
| DOI: | 10.1109/APMC47863.2020.9331466 |
W. Alshrafi and
D. Heberling,
"Grating Lobes Suppression of Patch Antenna Arrays Using Parasitic Monopoles"
in 2020 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM),
Linz (Austria),
Nov.
2020,
pp. 1-4.
| DOI: | 10.1109/ICMIM48759.2020.9298984 |
N. Khadiko,
W. Alshrafi,
S. Chalermwisutkul and
D. Heberling,
"Comparison of Grating Lobe Suppression Using High Impedance Structure: EBG and BON in Phased Array Antenna"
in International Conference on Electrical, Communication, and Computer Engineering (ICECCE),
Istanbul (Turkey),
Jun.
2020,
pp. 1-5.
| DOI: | 10.1109/ICECCE49384.2020.9179300 |
W. Alshrafi,
A. Al-Bassam and
D. Heberling,
"Grating Lobe Mitigation in Series-Fed Patch Periodic Leaky-Wave Antenna Using Parasitic Monopoles",
IEEE Antennas and Wireless Propagation Letters,
vol. 19,
no. 12,
pp. 2472-2476,
2020.
| DOI: | 10.1109/LAWP.2020.3036451 |
| File: | https://ieeexplore.ieee.org/document/9250448 |
2019
M. Soliman,
J. Siemons,
J. Kochems,
W. Alshrafi,
J. Shamshoom,
D. Heberling and
A. Dekorsy,
"Automatic Train Coupling: Challenges and Key Enablers",
IEEE Communications Magazine,
vol. 57,
no. 9,
pp. 32-38,
2019.
| DOI: | 10.1109/MCOM.2019.1800942 |
| File: | https://ieeexplore.ieee.org/document/8847223 |
2018
W. Alshrafi,
T. Bertuch and
D. Heberling,
"Grating lobe reduction of phased array antennas using bed of nails structure"
in Loughborough Antennas and Propagation Conference (LAPC),
Loughborough (UK),
Nov.
2018.
W. Alshrafi,
R. Wilke,
S. Hamid and
D. Heberling,
"Multi feed active antenna at Ka-band for satellite communications"
in Loughborough Antennas and Propagation Conference (LAPC),
Loughborough (UK),
Nov.
2018.
W. Alshrafi,
V. Ekaterinichev and
D. Heberling,
"Wideband Crossed Dipoles Antenna for All {GNSS} Bands Using Wideband {AMC}"
in 12th European Conference on Antennas and Propagation (EuCAP),
London (UK),
Apr.
2018.
| DOI: | 10.1049/cp.2018.0905 |
W. Alshrafi,
V. Ekaterinichev and
D. Heberling,
"Wideband Crossed Dipoles Antenna for All GNSS Bands Using Wideband AMC"
in 12th European Conference on Antennas and Propagation (EuCAP),
London (UK),
Apr.
2018.
| DOI: | 10.1049/cp.2018.0905 |
Teaching
| Exercises, Laboratories, Projects |
|---|
| Antenna Engineering Laboratory |
| Radar Laboratory |
| Communications Engineering Laboratory |
| Hochfrequenztechnisches Praktikum |
| Supervised Theses | |
|---|---|
| Master Thesis | Design a Textile-Integrated GPS Receiver |
| Master Thesis | Investigaton of Integrable Transponder Antennas for a Harmonic Radar-Based Maritime Search and Rescue System |
| Master Thesis | Investigation of dielectric rod antennas for ground penetrating radar systems |
| Master Thesis | Design of a compact controlled radiation pattern antenna (CRPA) using artificial magnetic conductor (AMC) |