Journal Publications

1. A.-R. Ahmed, D.H. Lee and K.W. Yeom, "On-wafer Noise Parameters Measurement Using an Extended 6-Port Network and Conventional Noise Figure Analyzer," International Journal of Microwave and Wireless Technologies. Cambridge Pulications in assoication with European Microwave Assoication. (accepted).
2. A.-R. Ahmed, J.J. Kponyo, K.A. Opare, K. S. Nwezege, H. I. Frank, H. Hamdoun, S. Alshehri and L. U. Akazua, "The 6-port Technique for Extraction of the Noise Correlation Matrix of 2-port DUT: A theoretical Verification Through Simulation," International Journal of Simulations, Systems, Science and Technologies. (accepted)
3. H. I. Frank, K. S. Nwezege, J.J. Kponyo, A.-R. Ahmed, H. Hamdoun, and L. U. Akazua, "Efficient RFID Modulation Scheme for Better Ubiquitous Network Performance," International Journal of Simulations, Systems, Science and Technologies. (accepted)
4. A.-R. Ahmed, K.W. Yeom, "A Low Cost Noise Wave Correlator for Noise Parameters Extraction By Cold Noise Power Measurement," International Journal of Wireless and Microwave Technologies, vol. 6, no. 5, pp. 10-21, Sept. 2016.
5. K.W. Yeom, A.-R. Ahmed, "Measurement  of  Noise  Parameters  Using  6-Port  Network," Invited Paper, Journ. Korean Inst. of Electromagnetic Eng. and Science, vol. 26(2), pp. 119~126, Feb. 2015.
6. A.-R. Ahmed, K.W. Yeom," An Extraction of Two-Port Noise Parameters From Measured Noise Powers Using An Extended Six-Port Network," IEEE Trans. Mirowave Theory and Techniques,  vol. 62, no. 10, Oct. 2014.
7. D. H. Lee, A.-R. Ahmed, S. W. Lee, K.W. Yeom, "Measurement of the Noise Parameters of On-Wafer Type DUTs Using 8-Port Network," Journ. Korean Inst. of Electromagnetic Eng. and Science, vol. 25(8),  pp. 808-820, Aug. 2014.
8. H. C. Jeong, B.I  Son, D.H Lee, A.-R. Ahmed, K.W. Yeom, "Design  of  a  GaN  HEMT  Power  Amplifier  Using  Output Matching  Circuit  with  Arbitrary  Harmonic  Impedances," Journ. Korean Inst. of Electromagnetic Eng. and Science, vol. 24,(11), pp. 1034~1046, Nov. 2013.
9. H. C. Jeong, B.I  Son, D.H Lee, A.-R. Ahmed, K.W. Yeom, "Design  of  a  Miniaturized  5.3  GHz  360°  Analog  Phase  Shifter," Journ. Korean Inst. of Electromagnetic Eng. and Science, vol. 24(6),  pp. 602 ∼ 612un. 2013.

Conference Publications

1. J. Kponyo, K. Opare, N. S. Kenneth, A.-R. Ahmed, H. Hamdoun, L. U. Akazua, S. Alshehri, H. I. Frank, "A distributed Intelligent Traffic System Using Ant Colony Optimization: A NetLogo Modeling Approach," Proc. of IEEE UKSim-AMSS 18th International Conference on Modeling and Simulations, UKSim 2016, Cambridge, March 25th-27th 2016.
2. J. Kponyo, K. Opare, N. S. Kenneth, A.-R. Ahmed and K. Komadi, "An Ant Colony Optimization Solution to the Optimum Travel Path Determination Problem in VANETs: A NetLogo Modeling Approach", Proc. MOBILITY 2015, Brussels, June 2015. 
3. A.-R. Ahmed, J. Kponyo, K. Opare, N. S. Kenneth and K. Koumadi, "Temperature Calibration of a Passive Eight-Port Network for Noise Parameters Measurement", Proc. of IEEE UKSim-AMSS 17th International Conference on Modeling and Simulations, UKSim2015, Cambridge, March 2015.
4. A.-R. Ahmed, K. W. Yeom, "Noise Parameters Measurement Using an Eight-Port Network,"Proc. of Korea Institute of Communication and Information Sciences., May 2014.
5. A.-R. Ahmed, D.H. Lee, K. W. Yeom, "Simplified Calibration of Six-Port Network For Noise Parameters Measurement," Proc. of Korean Inst. of Electromagnetic Eng. and Science, Aug. 2013.
6. H. C. Jeong, H. S. Oh, A.-R. Ahmed, K. W. Yeom, "Design of X-band 40W Pulse-Driven GaN HEMT Power Amplifier"  Proc. of Asia–Pacific Microwave Conference, Dec. 2012.