1. ” Analysis of microstrip antennas using modified cavity method” 2th Iranian Conference on Electrical Engineering (ICEE), Theran-Iran,1993
2. Some modifications on cavity method for analysis of microstrip antennas” ISRAMT, Dehli, 1993
3. “Mutual coupling between rectangular microstrip patch antennas” ” 3th Iranian Conference on Electrical Engineering (ICEE) ,Theran-Iran, 1994
4. “Mutual coupling B/W rectangular microstrip patch antenna” ANTEM, canada, 1994

5. “3D-TLM method for analysis of microstrip patch antennas using personal computer” Progress in Electromagnetics Research Symposium, Taiwan, 1999
6. “Analysis of mutual coupling between microstrip patch antennas using 3D-Transmission Line Matrix method” Progress in Electromagnetics Research Symposium, Taiwan, 1999

7. Bow-Tie Microstrip Antenna Analysis and Design Using The FDTD Method" IEEE Asia-Pacific Microwave Conf.(APACE), Malaysia, 2003

8. “Analysis & design of a novel dual band freq. selective surface..” ” 13th Iranian Conference on Electrical Engineering (ICEE), zanjan-Iran, 2005

9. “A Novel Microstrip Fed Multi-band Multi Ring Monopole Antenna” 14th Iranian Conference on Electrical Engineering (ICEE), Iran, 2006
10. “Compact H-Antenna with Shorting Post for GSM Using Genetic Algorithm and Moment Method” International Workshop on novel metamaterials and small antennas ,USA,2006
11. “The Analysis of E-Plane Filters with Loaded Resonators with MM Method” IEEE Asia-Pacific Microwave Conf. , Malaysia,2007
12. An enhanced model of coaxial feed and short posts in planar antennas” URSI , Canada- Ottawa, 2007
13. “A novel circularly polarized fractal microstrip antenna” IEEE GCC, Kuwiat,2007

14. “A reflectarray antenna for circular polarization” European Microwave conf. , Italia-Room,2009
15. “A Broadband modified differential phase shifter for microwave applications.” ” European Microwave conf., Italia-Room,2009
16. “Subwstrate integrated waveguide H-Plane filter” ” European Microwave conf, Italia-Room,2009
17. “Quasi-elliptic SIR bandpass filter with defected ground structure” IEEE Asia-Pacific Microwave Conf, singapore, 2009
18. “Design and Implementation of a New UWB Microstrip Antenna” ANTEM/AMEREM , Canada- Ottawa, 2010

19· “Design and implementation of a new UWB microstrip antenna” ANTEM-AMEREM, 14th International Symposium, pp.1-4 , 2010

20· “Improving microstrip patch antenna bandwidth using frequency selective surfaces” International Symposium Antennas Propagation and EM Theory ( ISAPE ), 2010

21· “ The effect of feed position on the performance of a broadband reflectarray” IEEE International Symposium on Antennas and Propagation, pp.101-104, 2011

22· “ Novel technique for improvement of transmission line matrix method algorithm frequency response”  11^th Mediterranean Microwave Symposium (MMS) , pp. 77-80, 2011

23· “ Slow-wave H-plane filter with improved frequency characteristics and reduced size “IEEE Conference Research and Development (SCOReD), pp.134-139, 2012,

24· “ Optimum design of linear and planar SIW slot array antenna” 20^th ICEEE, pp.30303035, 2012

25· “ Tunable Left-Handed Metamaterial based on ferrite” META ' 13 , the 4th International Conference on Metamaterials, Photonic Crystals and Plasmonics, 2013