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EE Research & Development

Electromagnetics Research Group (ERG)

Introduction

Electromagnetics Research Group (ERG) of GIKI conducts research over a broad range of topics, both fundamental and applied.  Applied research includes the design of microwave frequency selective structures, Tunable Metamaterials.  Further research includes analytical study of Chiral and Chiral Nihility waveguides, Cassegrain and Gregorian Systems, Fractional electromagnetics, wave propagation in Bi-isotropic media, wave propagation in Complex Fractal media and advanced antenna design. Fundamental research is primarily concerned with developing rigorous computational methods for the analysis of fields across the electromagnetic spectrum. These methods include novel discretization techniques, fast methods in the frequency and time domains, and multistage analysis.  This group performs numerical simulations in advanced softwares like Agilent ADS, HFSS and for analytical solution analysis, MATLAB, MATHCAD and MATHEMATICA software tools are used.

Research Topics

• Metamaterials
• Wave Propagation in Bi-Isotropic Media
• Wave Propagation in Complex Fractal Media
• Advance Antenna Design
• Cassegrain and Gregorian Systems
• Fractional Electromagnetics

Members

Faculty

• Dr. Muhammad Junaid Mughal, Associate Professor.
• Dr. Adnan Noor, Assistant Professor.
• Dr. Muhammad Faisal Khan, Assistant Professor.
• Husnul Maab, Research Associate.
• Muhammad Qasim Mehmood, Research Associate. (on study leave)
• Arbab Abdul Rahim, Research Associate.
• Muhammad Zubair, Research Associate.

Graduate Students

• Muhammad Mazhar Hussnain (PhD Candidate).
• Muhammad Haseeb Hassan (MS Candidate).
• Muhammad Mahmood Ali (MS Candidate).
• Abdul Razzaq Farooqi (MS Candidate).
• Hira Asad (MS Candidate).

PhD thesis (completed)

• Sobia Baig, “Non-Uniform and Uniform Discrete Multitone Transceivers for the DSL and the Power Line Channels”, 2008.   

• M. Faisal Khan, “Tunable Metamaterials”, 2011.

• Mazhar Hussnain, “Casgrain System coated with Chiral Medium”, (in progress).

MS thesis (completed)

• Amir Ali Khan, “An investigation into prospective Applications of Metamaterials”, 2005.

• Gulzaib Rafiq, “Electromagnetic Wave Scattering from Buildings with Large Scale Discontinuities”, 2005.

• M. Faisal Khan, “Tuning Techniques for Metamaterials”, 2006.

• Muhammad Yasir, “A comparative study of detection algorithms for WOFDM based V-BLAST MIMOI system”.

• Kashif Mahmood, “Radio Wave propagation modeling using Semi-deterministic approach”, 2006.

• Fasih-ud-Din Farrukh, “Discrete Wavelet Packet Multitone based Transceiver for Asymmetric Digital Subscriber Line”, 2007.

• Khawer Javaid Manzoor, “An Investigation into the Modeling of Vehicular Traffic for Mobile Radio Planning Tools”, 2007.

• M. Usman Khan, “Wavelet Packet Modulation for Multipath Wireless Channel”, 2008.

• M. Umar Khan, “A statistical approach in modeling the effect of vegetation for path loss prediction”, 2008.

• Saqib Ejaz, “Design and Fabrication of Acoustic Butler Matrix”, 2008.

• Tariq Rahim, “Focal region fields of coated and uncoated paraboloidal reflectors embedded in chiral medium”, 2009.

• Sohaib Kiani, “Overlap FDE for WP-OFDM and WP-MC-CDMA”, 2009.

• Shoaib Ali, “An Investigation into the Shadowing Effects caused by Human Bodies for Indoor Radio Propagation Channel”, 2009.

• Tahir Kayani, “Reflectors embedded in Chiral Medium”, 2009.

• Muhammad Qaism Mehmood, “Focal region fields of dual reflector antennas embedded in chiral medium”, 2010.

• Arbab Abdur Rahim, “Fractional rectangular waveguide internally coated with chiral nihility metamaterial”, 2011.

• Muhammad Zubair, “Analysis of electromagnetic fields and waves in fractional dimensional space”, 2011.

Collaborations

• Prof. Dr. A. A. Rizvi, Electronics Department, Quaid-e-Azam University, Islamabad, Pakistan.

• Dr. Qaisar A. Naqvi, Electronics Department, Quaid-e-Azam University, Islamabad, Pakistan.

Research Publications

Books

• M. Zubair, M. J. Mughal, and Q.A. Naqvi, "Electromagnetic Field and Wave Propagation in Fractional Dimensional Space." Springer Briefs in Applied Science and Technology, Springer, Germany, 2011. (In Press)

• Sobia Baig, Fasih-ud-Din Farrukh and M. Junaid Mughal, "Discrete Wavelet Multitone Modulation for ADSL & Equalization Techniques", Source: Discrete Wavelet Transforms – Algorithms and Applications, ISBN 978-953-307-482-5, Publisher: InTech, August 2011.

Patents

• N. A. Riza and M. J. Mughal, 'Electronically Tunable Optical Filtering Modules,' Patent number: US 6,982,818 B2, Dated: Jan., 3, 2006.

• N. A. Riza and M. J. Mughal, ‘Digital Optical Beam Profiler,' Patent number: US 7,092,079 B2, Dated: Aug., 15, 2006.

Journal Publications

• M. F. Khan, M. J. Mughal and M. Bilal, "Effective permeability of an S-shaped resonator", accepted for publication in Microwave and Optical Technology Letters, 2011.

• M. F. Khan, M. J. Mughal and M. Bilal, “Rotation—A technique to tune the working frequency of left-handed materials,” Microwave and Optical Technology Letters, Volume 53, Issue 11, pages 2517–2521, 2011.

• T. M. Kayani, M. Q. Mehmood, M. J. Mughal, and T. Rahim, "Analysis of the field focused by hyperbolic lens embedded in chiral medium," Progress In Electromagnetics Research M, Vol. 20, 43-56, 2011.

• Arshad, M. Q. Mehmood, and M. J. Mughal, "Caustic region fields of a 3D cassegrain system placed in bi-isotropic homogeneous chiral medium," Progress In Electromagnetics Research M, Vol. 20, 191-205, 2011.

• M. M. Hussnain and M. J. Mughal, “Uniform Plane Wave Reflection from PEC Plane Embedded in a Nonlinear Medium”, Progress In Electromagnetics Research M, Vol. 18, 31-42, 2011.

• A. A. Rahim, M. J. Mughal, and Q. A. Naqvi, “Fractional Rectangular Waveguide Internally Coated with Chiral Nihility Metamaterial”, Progress In Electromagnetics Research M, Vol. 17, 197-211, 2011.

• M. Zubair, M. J. Mughal, and Q.A. Naqvi, “An exact solution of spherical wave in D-dimensional fractional space.” Journal of Electromagnetic Waves and Applications Vol. 25, 1481–1491, 2011

• M. Zubair, M. J. Mughal, Q.A. Naqvi , “On electromagnetic wave propagation in fractional space,” Non-linear Analysis B: Real World Applications, 2011, Volume 12, Issue 5, 2844-2850, 2011. doi:10.1016/j.norwa.2011.04.010

• M. Zubair, M. J. Mughal, Q.A. Naqvi and A.A. Rizvi “Differential electromagnetic equations in fractional space.” Progress in Electromagnetic Research, Vol. 114, page 255-269, 2011.

• M. Zubair, M. J. Mughal, and Q.A. Naqvi, “An exact solution of cylindrical wave equation for electromagnetic field in fractional dimensional space.” Progress in Electromagnetic Research, Vol. 114, page 443-455, 2011.

• M. Zubair, M. J. Mughal, and Q.A. Naqvi, “The wave equation and general plane wave solutions in fractional space.” Progress in Electromagnetic Research Letters, Vol. 19, 137-146, 2010.

• M. Q. Mehmood and M. J. Mughal and T. Rahim, “Analysis of Focal Region Fields of PEMC Gregorian System Embedded in Chiral Medium.” Progress In Electromagnetic Research Letters, Vol. 18, 155-163, 2010.

• M. Q. Mehmood, M. J. Mughal, and T. Rahim, "Focal Region Fields of Cassegrain System Placed in Homogeneous Chiral Medium," Progress In Electromagnetics Research B, Vol. 21, 329-346, 2010.

• M. Q. Mehmood, M. J. Mughal, and T. Rahim, "Focal Region Fields of Gregorian System Placed in Homogeneous Chiral Medium," Progress In Electromagnetics Research M, Vol. 11, 241-256, 2010.

• Tariq Rahim, Junaid Mughal, Mazhar Hussnain, “Focal Region Field of a Two Dimensional Gregorian System Coated with Isotropic Chiral Medium”, J. Electromagnetic Analysis & Applications, 2010, 2, 488-494.

• T. Rahim, M. J. Mughal, Q. A. Naqvi and M. Faryad “Field Around the Focal Region of a Paraboloidal Reflector Placed in Isotropic Chiral Medium" Progress in Electromagnetics Research B, PIER B 15, 57-76, 2009.

• T. Rahim, M. J. Mughal, Q. A. Naqvi and M. Faryad “Paraboloidal Reflector in Chiral Medium Supporting Simultaneously Positive Phase Velocity and Negative Phase Velocity," Progress in Electromagnetics Research, PIER, PIER 92, 223-234, 2009.

• T. Rahim, M. J. Mughal, Q. A. Naqvi and M. Faryad “Focal Region Field of a Paraboloidal Reflector Coated with Isotropic Chiral Medium" Progress in Electromagnetics Research , PIER 94, pp. 351-366, 2009.

• T. Rahim, M. J. Mughal, Q. A. Naqvi, “Focal Region Field of PEMC Paraboloidal Reflector Placed in Homogenous Chiral Medium,” Progress In Electromagnetic Research M, Vol. 8, 143-152, 2009.

• T. Rahim, M. J. Mughal and Q. A. Naqvi “PEMC Paraboloidal Reflector in Chiral Medium Supporting Simultaneously Positive Phase Velocity and Negative Phase Velocity," Progress In Electromagnetics Research Letters, Vol. 10, 77-86, 2009.

• T. Rahim and M. J. Mughal “Spherical Reflector in Chiral Medium Supporting Simultaneously Positive Phase Velocity and Negative Phase Velocity” J. of Electromagn. Waves and Appl., Vol. 23, 1665–1673, 2009.

• T. Rahim and M. J. Mughal, “Analysis of the High Frequency Field Expressions at the Caustic Region of a Spherical Reflector Placed in Chiral Medium.” Journal of infrared, Millimeter and Terahertz waves, Vol. 31, 380-390, 2009.

• Sobia Baig and M. Junaid Mughal, “Multirate Signal Processing Techniques for High-Speed Communication over Power Lines,” IEEE Commun. Mag., vol. 47, no. 1, Jan 2009,pp. 70–76.

• Usman Khan, Sobia Baig and M. Junaid Mughal, Performance Comparison of Wavelet Packet Modulation and OFDM over Multipath Wireless Channel with Narrowband Interference,” International Journal of Electrical & Computer Sciences IJECS, Vol: 9 No: 9, pp. 431-434.

• M. F. Khan and M. J. Mughal, “Effective Permeability of inner ring shorted split ring resonator,” MICROWAVE AND OPTICAL TECHNOLOGY LETTERS / Vol. 50, No. 3, March 2008

• Sobia Baig and M. J. Mughal, “A Novel Uniform DMT Transceiver with Power-Allocation in Digital Subscriber Line,” IEICE Trans. Commun., vol. E91-B, no. 1, Jan.2008, pp. 302–305.

• Sobia Baig and M. Junaid Mughal, “Improved Zero-Forcing Equalization with a Modified Non-Uniform Discrete Multitone Transceiver,” China Communications, vol. 4, no. 4, August 2007, pp. 40-44.

• Sobia Baig and M. Junaid Mughal, “Performance Analysis of a Non-Uniform DMT Transceiver in Digital Subscriber Line,” IEICE Trans. Commun., vol. E90-B, no. 1, Jan.2007, pp. 140–143.

• Winston Sun, Wilfried Noell, Michael Zichar, M. Junaid Mughal, Frank Perez, Nabeel A. Riza and Nicolaas F. de Rooji, “Design, Simulation, Fabrication and Characterization of a Digital Variable Attenuator” IEEE Journal of Micromechanical Systems, Vol., 15, No. 5 , pp. 1190-1200, October 2006.

• Z. Rafique, N. D. Gohar, M. J. Mughal, "Performance Comparison of OFDM and WOFDM based V-BLAST Wireless Systems," IEICE Trans. Comm., Vol.E88-B, No. 5, pp. 2207-2209, Japan, 2005.

• Constantinou C. C. and Mughal M. J., 'On the Modelling of Reflected Energy from Building Faces in Microcellular Environment Mobile Radio Planning Tools,' IEEE Transactions on Antennas and Prop.,  Vol 53, No 8, pp. 2623-2630, 2005.

• Nabeel A. Riza and M. Junaid Mughal, "Fiber-Optic Multiwavelength variable attenuators and routing module designs that use bulk Acousto Optics", Applied Optics, Vol. 44, No. 5, 2005.

• N. A. Riza and M. J. Mughal, "Optical Power Independent Optical Beam Profiler," SPIE Optical Engineering, Volume 43, Issue 4, pp. 793-797, April 2004.

• M. J. Mughal and N. A. Riza, "Variable Fiber Optic Attenuator Using a Bulk-micro machined Deformable Micro-mirror", SPIE Optical Engineering, Volume 43, Issue 10, pp. 2214-2220, October 2004.

• N. A. Riza and M. J. Mughal, "Broadband Optical Equalizer using Fault tolerant digital micromirrors," Optics Express, Vol. 11, No. 13, pp. 1559-1565, June 2003.

• N. A. Riza and M. J. Mughal, "Variable Attenuator for Fast-Response, High-Optical-Power Applications," Optics and Photonics News Journal, Magazine of OSA, pp. 41, December 2002.

• M. J. Mughal and N. A.  Riza, "Compact acoustooptic high-speed variable attenuator for high-power applications," IEEE Photonics Technology Letters Journal, Volume: 14 Issue: 4, pp. 510 -512, April 2002.

Conference Publications

• M. J. Mughal, M. Zubair, "Fractional space solutions of antenna radiation problems: An application to Hertzian dipole, "Signal Processing and Communications Applications (SIU), 2011 IEEE 19th Conference, pp.62-65, 20-22 April 2011.

• M. J. Mughal, T. Rahim, M. Husnain and M.Q. Mehmood, "Caustic Region Fields of two Dimensional Cassegrain System Coated with Isotropic Chiral Medium." SIU Turkey, 2011.

• M. J. Mughal, T. Rahim and M.Q. Mehmood, "Analysis of the Caustic Region Fields of a PEMC Spherical Reflector Placed in Chiral Medium." SIU Turkey, 2011.

• M. J. Mughal and M. Q. Mehmood, "Analysis of Focal Region Fields of PEMC Cassegrain System Embedded in Chiral Medium." Progress in Electromagnetic Research Symposium, Marrakesh, Morocco, 20-23 March, 2011.

• M. F. Khan, M. J. Mughal and M. Bilal, "Effect of rotation of Bottom metallic strips shorted S-shaped resonator on its working frequencies", 8th International Bhurban Conference on Applied Sciences & Technology (IBCAST), 10-13 January 2011, Islamabad, Pakistan.

• M. Faisal Khan and M. Junaid Mughal, "Tuning techniques of Split Ring Resonators for Metamaterials", 7th International Bhurban Conference on Applied Sciences & Technology (IBCAST), 11-14 January 2010, pp. 24-26, Islamabad, Pakistan.

• M. F. Khan and M. J. Mughal, “Modified Single Side Paired S-ring Resonators”, 3rd International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, 30 Aug-4 Sept 2009, London, United Kingdom.

• M. F. Khan and M. J. Mughal, “Tunable Metamaterials by varying the Inductance and Capacitance of S-shaped Resonator”, 3rd IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 27-29 Oct 2009, Beijing, China.

• M. F. Khan and M. J. Mughal, “Design of Tunable Metamaterials by varying the Height of Rings of S-shaped Resonator”, Electrical Engineering, 2009. ICEE '09. IEEE International Conference on Electrical Engineering, 09-11 April, 2009, Lahore.

• M. F. Khan and M. J. Mughal, “Tuned S-shaped Resonators”, IEEE 2007 International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE 2007), 16-17 August 2007, pp. 1017-1019, Hangzhou, China.

• M. Aqueel Ashraf, M. Junaid Mughal, Zahid Yaqoob and Azhar A. Rizvi, "Antenna Simulation & Analysis," IEEE Inc. Multi Topic Conference, INMIC '97, pp. 208-211, Islamabad, Pakistan.

• M. J. Mughal and Azhar A. Rizvi, "Radiation by a line source buried in a Dielectric Slab," IEEE Inc. Multi Topic Conference, INMIC '97, pp. 168-171, Islamabad, Pakistan.

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