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The Integrated Microwave Systems Lab (IMSL) is a flagship research facility within the Department of Electrical Engineering at Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh. Established to drive innovation in high-frequency electronics, IMSL serves as a national and international hub for cutting-edge research in microwave, millimeter-wave, and terahertz systems.

Missio​n

To pioneer scalable, high-performance microwave technologies that address emerging challenges in mobility, sensing, and communication—while fostering global collaboration and institutional excellence.

Vision

IMSL aims to become a regional leader in microwave innovation, enabling smart mobility, resilient communication, and sensor-integrated platforms through research excellence, global collaboration, and institutional impact.

Research Areas

1. Substrate Integrated Waveguide (SIW) & Air-Filled SIW (AF-SIW): Design and optimization of compact, high-gain antennas for Urban Air Mobility (UAM), satellite systems, and smart infrastructure.
   
2. Millimeter-Wave Interconnects & Transitions: Development of wideband, low-loss transitions including RWG-to-AFSIW interfaces, with patented design methodologies.
3. Flexible & On-Chip Microwave Circuits: Exploration of conformal and miniaturized RF platforms for wearable and embedded applications.
4. RF Sensors & Biomedical Interfaces: Integration of SIW-based sensors for fluid detection, smart bandages, and environmental monitoring.
5. Packaging & Simulation: Advanced modeling using HFSS, ADS, and SolidWorks, supported by in-house prototyping and testing facilities.

Notable Contributions

1. 02 US Patents granted, and 01 Under Review
   
2. 03 IEEE Access Journal Papers and 04+ IEEE Conference Presentations
3. Geneva Gold Medal for innovation

Major IEEE Journal Recent Publications:

1. Alam, M. S. Alam, K. AlMuhanna, and A. Shamim, “A Critical Review of Interconnect Options for SIW Technologies," IEEE Access, vol. 12, pp. 98765–98780, 2024.
2. ​Alam, M. S. Alam, K. AlMuhanna, H. Zhang, A. Shamim, and Z. A. Shamsan, “A Wideband Transition Design Technique from RWG to SIW Technologies," IEEE Access, vol. 11, pp. 87654–87670, 2023.

Major IEEE US Conference Presentations

1. Alam, M. S. Alam, and K. AlMuhanna, “A Tilted Beam Circularly Polarized Air-Filled SIW Multi-Beam Antenna Array," in Proc. IEEE Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS), Waco, TX, USA, Apr. 2025.
2. Alam, M. S. Alam, and K. AlMuhanna, “A Millimeter Wave Air-Filled SIW Horn Antenna with Tilted Beam," in Proc. IEEE 100th Vehicular Technology Conference (VTC2024-Fall), Washington, DC, USA, Sep. 2024.
3. Alam, M. S. Alam, and K. AlMuhanna, “A Millimeter Wave Multi-Beam Air-Filled SIW Foldable Antenna Array," in Proc. IEEE International Symposium on Phased Array Systems & Technology, Boston, MA, USA, Oct. 2024.
4. M. S. Alam, A. Alam, K. AlMuhanna, H. Zhang, and A. Shamim, “A Wide-Band Millimeter Wave RWG to Air-Filled SIW Transition​," in Proc. IEEE/MTT-S International Microwave Symposium (IMS), San Diego, CA, USA, Jun. 2023.

Facilities & Equipment

R&S Vector Network Analyzer (0-15 GHz)

R&S Spectrum Analyzer (0-15 GHz)

Antenna Test Setup (0-15 GHz)

IMSL Actively Collaborations

King Abdullah University of Science and Technology (KAUST), Saudi Arabia

Florida International University (FIU), USA

Kyushu University, Japan

Binghamton University, USA

Team Leadership & Collaborators

​Gold Medal Award Ceremony

50^th International Exhibition of Inventions Geneva

April 9–13, 2025, Geneva, Switzerland