Dr. Sohail Khalid
Assistant Professor & HoD
RF and Microwave Engineering


PhD Electrical Engineering
Universiti Teknologi PETRONAS Malaysia
MS Master of Science
Queen Marry University of London UK
B.Sc. (Eng.) Bachelor of Science (Engineering)
CIIT Islamabad Pakistan


Assiatnt Professor & HoD
Riphah International University
Tuesday, July 1, 2014
Research Associate
Universiti Teknologi PETRONAS Malaysia
Thursday, July 1, 2010
Tuesday, April 1, 2014
Teacher Assistant
CIIT Islamabad Pakistan
Sunday, April 1, 2007
Tuesday, January 1, 2008



Research Journels

• S. Khalid, Muhammad Farhan Shafique, “Exact synthesis design theory of analogue broadband bandpass filter”, Microelectronics Journal 64 (2017): 53-59.
• S. Khalid, W. P. Wen, L. Y. Cheong, “A novel synthesis procedure for ultra wideband (UWB) bandpass filters”, Progress in electromagnetic research, PIER vol. 141, 249-266, 2013.
• S. Khalid, W. P. Wen, L. Y. Cheong, “Optimum filter synthesis procedure for ultra-wideband bandpass filter using step-impedance resonator”, Journal of Electromagnetic Waves and Applications
28.8 (2014): 943-955.
• S. Khalid, W. P. Wen, L. Y. Cheong, “Synthesis design of UWB bandpass filter using multiple resonances resonator (MRR)”, Electronics Letters 50.24 (2014): 1851-1853.
• S. Khalid, W. P. Wen, and L. Y. Cheong, “Synthesis and design of four pole Ultra-Wide Band (UWB) bandpass filter (BPF) employing multi- mode resonators (MMR)”, International Microwave
Symposium Digest, Montreal, QC, Canada, June 2012.
• S. Khalid, W. P. Wen, “Highly selective, compact ultra-wide band bandpass filter using a novel multiple resonances resonator (MRR)”, International Microwave Symposium Digest, Seattle, USA,
June 2013.
• S. Khalid, W. P. Wen, L. Y. Cheong,“A novel design technique for ultra-wideband (UWB) bandpass filter using step Impedance resonators (SIR)”, IEEE Asia-Pacific Conference on Applied electromagnetic
(APACE 2012), December 11 - 13, 2012, Melaka, Malaysia.
• S. Khalid, W. P. Wen,“Analysis of ultra-wide bandpass filter” National Postgraduate Conference (NPC), 2011, Malaysia.
• S. Q. Ali, V. Jeoti, S. Khalid, “Sleep apnea detection from heart rate variability data using a DWPT based technique”, 4th International Conference on Intelligent and Advanced Systems (ICIAS), 2012,
• S. Khalid, W. P. Wen, and L. Y. Cheong, “Design of Highly Selective Ultra-Wideband Bandpass Filter Using Multiple Resonance Resonator”, IEEE RFM conference, 2013, Penang, Malaysia.
• S. Khalid, “Design of highly selective ultra-wideband (UWB) bandpass filter using step impedance resonator and parallel coupled lines”, IEEE Symposium on Recent Advances in Electrical Engineering
(RAEE), 2015, Islamabad, Pakistan.

Submitted Research Papers

• S. Q. Ali, S. Khalid, B. B. Samir “A Novel technique to diagnose sleep apnea in suspected patients using their ECG Data”, Submitted in Biomedical Signal Processing and Control.

• S. Khalid, “Matched bandstop filter for interference mitigation on FSOs and FPSOs”, Submitted in electronics letters.


• Sohail Khalid and Wong Peng Wen, “Multiple Resonance Resonator (MRR)” Malaysia 2015 (Filed PI 2014701104).