Yahya, Salah I. and Zubir, Farid and Nouri, Leila and Jizat, Noorlindawaty Md. (2026) Design of a Low-Loss microstrip Lowpass-Bandpass triplexer with closely spaced channels for modern RF communication systems. Scientific Reports, 16 (1). ISSN 2045-2322

Umar, Ahmed Ali and Zubir, Farid and Mohd Yusoff, Mohd Fairus and Abbasi, Muhammad Inam and Shah, Shaharil Mohd and Vallappil, Arshad Karimbu and Assaad, Maher and Md Jizat, Noorlindawaty (2026) Simultaneous Reflection and Transmission in Metasurfaces: A Comprehensive Review. IEEE Access, 14. pp. 46805-46829. ISSN 2169-3536

Nouri, Leila and Zubir, Farid and Yahya, Salah I. and Abdel Hafez, Mohammed and Md Jizat, Noorlindawaty (2025) Novel Ultra-Compact Quad-Channel Diplexer Using Divided Microstrip Coupled Lines for IoT, Multi-Service Wireless, and 5G Networks. IEEE Access, 13. pp. 186623-186632. ISSN 2169-3536

Shallah, Abdulkadir Bello and Zubir, Farid and Rahim, Mohamad Kamal A. and Jizat, Noorlindawaty Md. and Basit, Abdul and Yusof, Khairul Hilmi and Majid, Huda A. (2025) Compact dual band crossover for 5G low and mid band applications using a metamaterial branch line coupler. Scientific Reports, 15 (1). ISSN 2045-2322

Roshani, Saeed and Zubir, Farid and Karimi, Mohsen and Chaudhary, Muhammad Akmal and Assaad, Maher and Hazzazi, Fawwaz and Md. Jizat, Noorlindawaty and Roshani, Sobhan (2025) Design of an Ultra Compact 180-Degree Ring Coupler With Harmonic Suppression Using Composite Lines for Modern RF Systems. IEEE Access, 13. pp. 8214-8224. ISSN 2169-3536

Jizat, Noorlindawaty Md. and Abd Rahman, Nurul Huda and Al-Bawri, Samir Salem and Zubir, Farid and Rahayu, Yusnita and Yamada, Yoshihide (2025) A High-Efficiency, Size-Optimized 4×4 Butler Matrix with Via-Hole for 5G Communications. In: 2025 Multimedia University Engineering Conference, MECON 2025, 21 July 2025 - 23 July 2025, Cyberjaya.

Yahya, Salah I. and Zubir, Farid and Nouri, Leila and Md Jizat, Noorlindawaty (2025) A New Class of Miniaturized Balanced Couplers: Low-Loss Design for Wireless Network and RF Scavenging Systems. IEEE Access, 13. pp. 149361-149372. ISSN 2169-3536

Zubair, Muhammad and Yahya, Salah I. and Zubir, Farid and Abdel Hafez, Mohammed and Nouri, Leila and Chaudhary, Muhammad Akmal and Assaad, Maher and Rezaei, Abbas and Md JizatJizat, Noorlindawaty (2025) Novel high-performance microstrip diplexer for 5G mid-band and wide-band applications: Design, analysis and manufacturing. PLOS ONE, 20 (7). e0327839. ISSN 1932-6203

Yusof, Khairul Hilmi and Zubir, Farid and Rahim, Mohamad Kamal A. and Kumar, Narendra and Rajendran, Jagadheswaran and Md Jizat, Noorlindawaty and Gardner, Peter and Johnson, Thomas (2025) Systematic Design of a Compact Lumped-Element Outphasing Class-E Power Amplifier for HF Band. IEEE Access, 13. pp. 161116-161133. ISSN 2169-3536

Sadeque, Md. Golam and Yusoff, Zubaida and Roslee, Mardeni and Hashim, Shaiful Jahari and Mohd Marzuki, Azah Syafiah and Lees, Jonathan and Zubir, Farid and Al-Bawri, Samir Salem (2024) 3.3–4.3 GHz efficient continuous class-F gallium nitride power amplifier based on simplified real frequency technique and harmonic tuning. PLOS ONE, 19 (8). e0306738. ISSN 1932-6203

Yahya, Salah I. and Zubir, Farid and Abdel Hafez, Mohammed and Nkenyereye, Lewis and Chaudhary, Muhammad Akmal and Assaad, Maher and Nouri, Leila and Rezaei, Abbas and Md Jizat, Noorlindawaty (2024) Design and fabrication of a microstrip triplexer with wide flat channels for multi-band 5G applications. PLOS ONE, 19 (5). e0302634. ISSN 1932-6203

Yahya, Salah I. and Zubir, Farid and Azmadi Hussin, Fawnizu and Chaudhary, Muhammad Akmal and Roshani, Saeed and Sadeghin, Jalal and Md Jizat, Noorlindawaty and Roshani, Sobhan (2024) Design of a Compact Power Splitter With Improved Performance for Wireless Applications Using Recurrent and Feed Forward Neural Networks Inverted Models. IEEE Access, 12. pp. 117056-117071. ISSN 2169-3536

Yahya, Salah I. and Zubir, Farid and Nkenyereye, Lewis and Hafez, Mohammed Abdel and Nouri, Leila and Assaad, Maher and Chaudhary, Muhammad Akmal and Md Jizat, Noorlindawaty (2024) A Lowpass-Bandpass Triplexer With A New Microstrip Configuration and Compact Size for 5G and Energy Harvesting Applications. IEEE Access, 12. pp. 60264-60275. ISSN 2169-3536

Shallah, Abdulkadir Bello and Zubir, Farid and Rahim, Mohamad Kamal A. and Md. Jizat, Noorlindawaty and Basit, Abdul and Assaad, Maher and Majid, Huda A. (2024) A Miniaturized Metamaterial-Based Dual-Band 4×4 Butler Matrix With Enhanced Frequency Ratio for Sub-6 GHz 5G Applications. IEEE Access, 12. pp. 32320-32333. ISSN 2169-3536

Yahya, Salah I. and Zubir, Farid and Nouri, Leila and Rezaei, Abbas and Md Jizat, Noorlindawaty (2024) A Novel Ultra-Compact Microstrip Coupler With Low Imbalance Magnitudes and Phases for Wireless Networks. IEEE Access, 12. pp. 99949-99956. ISSN 2169-3536

Nouri, Leila and Zubir, Farid and Nkenyereye, Lewis and Rezaei, Abbas and Abdel Hafez, Mohammed and Hazzazi, Fawwaz and Chaudhary, Muhammad Akmal and Assaad, Maher and Yusoff, Zubaida (2024) Novel Ultra-Compact Wide Stopband Microstrip Lowpass-Bandpass Triplexer for 5G Multi-Service Wireless Networks. IEEE Access, 12. pp. 2926-2940. ISSN 2169-3536

Yahya, Salah I. and Zubir, Farid and Nouri, Leila and Md Jizat, Noorlindawaty (2024) An ultra-compact microstrip bandpass filtering coupler with suppressed harmonics and low group delay: A novel structure for 5G applications. Results in Engineering, 24. p. 103003. ISSN 2590-1230

I. Yahya, Salah and Zubir, Farid and Nouri, Leila and Yusoff, Zubaida and Chaudhary, Muhammad Akmal and Assaad, Maher and Rezaei, Abbas and Nguyen Le, Binh (2023) A new compact and low phase imbalance microstrip coupler for 5G wireless communication systems. PLOS ONE, 18 (12). e0296272. ISSN 1932-6203

Yahya, Salah I. and Zubir, Farid and Nouri, Leila and Rezaei, Abbas and Hazzazi, Fawwaz and Chaudhary, Muhammad Akmal and Assaad, Maher and Yusoff, Zubaida and Nguyen Le, Binh (2023) A High-Performance Microstrip Triplexer With Compact Size, Flat Channels and Low Losses for 5G Applications. IEEE Access, 11. pp. 78768-78777. ISSN 2169-3536

Yahya, Salah and Zubir, Farid and Nouri, Leila and Hazzazi, Fawwaz and Yusoff, Zubaida and Chaudhary, Muhammad Akmal and Assaad, Maher and Rezaei, Abbas and Nguyen Le, Binh (2023) A Balanced Symmetrical Branch-Line Microstrip Coupler for 5G Applications. Symmetry, 15 (8). p. 1598. ISSN 2073-8994

Yahya, Salah I. and Zubir, Farid and Nouri, Leila and Yusoff, Zubaida and Hazzazi, Fawwaz and Chaudhary, Muhammad Akmal and Assaad, Maher and Rezaei, Abbas and Nguyen Le, Binh (2023) Design and Optimization of a Compact Microstrip Filtering Coupler With Low Losses and Improved Group Delay for High-Performance RF Communication Systems. IEEE Access, 11. pp. 103976-103985. ISSN 2169-3536

Faizol, Zulbirri and Zubir, Farid and Mat Saman, Norhafezaidi and Ahmad, Mohd Hafizi and Rahim, Mohamad Kamal A. and Ayop, Osman and Jusoh, Muzammil and Majid, Huda A. and Yusoff, Zubaida (2023) Detection Method of Partial Discharge on Transformer and Gas-Insulated Switchgear: A Review. Applied Sciences, 13 (17). p. 9605. ISSN 2076-3417

Yusoff, Zubaida and Rahman, Md Mushfiqur and Zubir, Farid and Sampe, Jahariah (2023) Linear, Efficient and Wideband Emitter Follower Class B Amplifier for Auxiliary Envelope Tracking Supply Modulator. In: 2023 IEEE Regional Symposium on Micro and Nanoelectronics (RSM), 28-30 August 2023, Langkawi, Malaysia.

Yusof, Khairul Hilmi and Zubir, Farid and Rahim, Mohamad Kamal A. and Kumar, Narendra and Yusoff, Zubaida and Gardner, Peter and Johnson, Thomas (2023) A Systematic Approach of Generalized Reactance Compensation Technique in Wideband Class-E Power Amplifier for Lower High Frequency (HF) Bands. IEEE Access, 11. pp. 77254-77266. ISSN 2169-3536

Yusof, Khairul Hilmi and Kumar, Narendra and Zubir, Farid and Yusoff, Zubaida and Rahim, Mohamad Kamal A. and Ayop, Osman (2023) Wideband Class-E Power Amplifier at 54.24 MHz using Reactance Compensation. In: 2023 IEEE International Symposium On Antennas And Propagation (ISAP), 30 October 2023 - 02 November 2023, Kuala Lumpur, Malaysia.

Shallah, Abdulkadir Bello and Zubir, Farid and Rahim, Mohamad Kamal A. and Abubakar, Ahmad and Yusoff, Zubaida and Aminu-Baba, Murtala (2022) A Miniaturized Branch Line Coupler for 5G Dual Band Applications. In: 2022 International Symposium on Antennas and Propagation (ISAP), 31 Oct - 03 Nov 2022, Sydney, Australia.

Shallah, Abdulkadir Bello and Zubir, Farid and Rahim, Mohamad Kamal A. and Majid, Huda A. and Ullah Sheikh, Usman and Murad, Noor Asniza and Yusoff, Zubaida (2022) Recent Developments of Butler Matrix From Components Design Evolution to System Integration for 5G Beamforming Applications: A Survey. IEEE Access, 10. pp. 88434-88456. ISSN 2169-3536