Summary
Education
Experience in EM tools
FDTD, HFSS, CST Microwave studio, Ansoft designer & IE3D
Experience in Microwave measurements
Network analyzers (Agilent PNA 5245, R&S ZVB20, 8510C), scalar analyzers, power meters, measurement in anechoic chamber, spectrum analyzers, Krupka & cavity perturbation material characterization etc.
Research projects completed
Memberships & Technical activities
Patents & Publications
Patents
1. Dielectric resonator antenna with dual polarization, Rohith K. Raj et al. Axess Europe, France
3. Ultracompact Coplanar Antenna, Rohith K. Raj et al. (Under process in DST)
International journals
1. Rohith K. Raj, Benoit Poussot, Jean-Marc Laheurte and O. Vendier, Pattern Reconfigurable Microstrip antenna using flip chip mounted packaged RF MEMS, Microwave and optical Technology Letters, Vol. 52, No.3, March 2010, pp. 574-577
2. Rohith K. Raj, Manoj Joseph, C. K. Aanandan, K. Vasudevan and P. Mohanan, A new compact microstrip-fed dual-band coplanar antenna for WLAN applications IEEE Transactions on Antennas and Propagation, vol.54, no.12, pp 3755-3762, 2006
3. Rohith.K.Raj, Manoj Joseph, Binu Paul, P.Mohanan, Compact planar multiband antenna for PCS,DCS,2.4/5.8GHz WLAN applications, IEE Electronics Letters, Vol. 41, No.6, pp.290-291, 2005
4. Rohith K. Raj, Sona O. Kundukulam, C. K. Aanandan, , P. Mohanan, Praveen Kumar, Compact amplifier integrated microstrip antenna, Microwave and Optical Technology Letters Volume 40, Issue 4, Date: 20 February 2004, Pages: 296-298
5. Manoj Joseph , Rohith.K.Raj, Binu Paul, P.Mohanan, Compact wide band antenna for 2.4GHz WLAN applications, IEE Electronics Letters, Vol. 40, No.23, pp.1460-1461,11th November 2004
6. Compact Asymmetric Coplanar Strip Fed Monopole Antenna for Multiband Applications, Deepu, V.; Raj, R. K.; Joseph, M..; Suma, M. N.; Mohanan, P..IEEE Transactions on Antennas and Propagation, vol. 55, issue 8, pp. 2351-23, 2007
7. Deepu V.; Rohith, K.R.; Manoj, J.; Suma, M.N.; Vasudevan, K.; Aanandan, C.K.Aanandan and Mohanan, P Compact uniplanar antenna for WLAN applications Electronics Letters Vol 43, no 2, Page(s) 70 - 72 , 2007
8. Planar branched monopole antenna for UWB applications, K. Francis Jacob, M. N. Suma, Rohith K. Raj, Manoj Joseph, P. Mohanan Microwave and Optical Technology Letters, Volume 49 Issue 1, Pages 45 – 47, 2006
9. A compact dual band planar branched monopole antenna for DCS/2.4-GHz WLAN applications, Suma, M.N. Raj, R.K. Joseph, M. Bybi, P.C. Mohanan, P. Microwave and Wireless Components Letters, IEEE, May 2006, Volume: 16, Issue: 5, page(s): 275- 277
10. Compact dual-band antenna for DCS/2.4 GHz WLAN applications, Manoj Joseph, Rohith K. Raj, M. N. Suma, P. Mohanan, Microwave and Optical Technology Letters
Volume 48 Issue 5 , Pages 856 – 859, 28 Mar 2006
11. Microstrip-fed dual band folded dipole antenna for DCS/PCS/2.4GHz WLAN applications, Joseph, Manoj, Raj, Rohith K, Suma, M N, Aanandan, C K, Vasudevan, K, Mohanan,P, International Journal on Wireless & Optical Communications, Vol. 4, no. 1, pp. 43-51. Jan. 2007
12. Compact ultra-wideband planar serrated antenna with notch band ON/OFF control
Shameena, V.A. Suma, M.N. Rohith K. Raj , K. Bybi, P.C. Mohanan, P, Electronics Letters, November 9 2006, Volume: 42, Issue: 23, On page(s): 1323-1324
Conference proceedings
13. Manoj Joseph, Rohith.K.Raj, K.Vasudevan, C.K.Aanandan, P.Mohanan A Novel Compact Wideband Antenna, XXVIIIth URSI GA 2005, New Delhi, October
14. Manoj Joseph, Rohith.K.Raj, P.Mohanan, Compact planar multiband antenna, Proc. IEEE APS International Symposium, Washington DC, July 3-8
15. Rohith K. Raj, Sona O. Kundukulam, Shynu S.V., C.K. Aanandan, K. Vasudevan, P. Mohanan and Praveen Kumar Compact slotted active Microstrip antenna, CODEC-04 January 1-3, 2004, Kolkata, India
16. Rohith K. Raj, Sona O. Kundukulam, C.K. Aanandan, K. Vasudevan, P. Mohanan and Praveen Kumar Compact active Microstrip antenna 1st International Conference on Microwaves, Antenna, Propagation and Remote Sensing (ICMARS-2003), December 15 -19, Jodhpur
17. Manoj Joseph, Rohith K Raj, Binu Paul, , C.K. Aanandan, P.Mohanan K.Vasudevan and K.G Nair, Compact wideband antenna for Bluetooth applications Proc. of the National Symposium on Microwave Antennas and Propagation, APSYM-04, pp.64-67, Cochin, 2004
18. Rohith K Raj, Manoj Joseph, C.K. Aanandan, K.Vasudevan and P.Mohanan Compact Coplanar Antenna for active antenna applications Proc. of the National Symposium on Microwave Antennas and Propagation, APSYM-04, pp.222-225, Cochin, 2004
International/Major Conferences 2004
19. Rohith K. Raj, Manoj Joseph, C. K. Aanandan, K. Vasudevan and P. Mohanan. A New Compact Printed Antenna with Coplanar Configuration IEEE Antennas and propagation International symposium, 2005
20. Manoj Joseph, Rohith K. Raj, C. K. Aanandan, K. Vasudevan and P. Mohanan Compact Planar Multiband Antenna APS 2005
21. Compact dual band antenna for WLAN applications
Deepu. V, Rohith K. Raj, Manoj Joseph, Suma M N, Mohanan, P, IEEE APS International Symposium, 2007, 9-15 June 2007 On page(s): 2053-2053
22. Fractal PBG Microstrip antenna, Roihith K. Raj, Jayaram, Sreedevi K. Menon, C.K. Aanandan, K. Vasudevan, P.Mohanan, National Symposium on Antennas and Propagation, December 2002, Cochin
23. Shynu S. V, Rohith K. Raj, Anupam R. Chandran, Aanandan C. K, Mohanan P. and Vasudevan K. “Single Feed Dual Frequency Dual Polarized Microstrip Antenna with Hexagonal Slot” Proc. of IEEE APS International Symposium, Monterey, CA, USA, June 20-25, 4380-4383
24. A new compact coplanar antenna, Rohith K. Raj, Manoj Joseph, K.Vasudevan, C.K. Aanandan and P.Mohanan, XXVIIIth URSI General Assembly, New Delhi, October2005
Technical reports
25 Ku band Dielectric resonator antenna sub array design, Axess Europe, France March 2009
26 Development of Dielectric resonator antenna for Phased array applications, June 2009
27 Cavity perturbation technique for dielectric constant and loss measurement, Axess Europe, France, July 2009
28 Cahier de recette ‘Ku band airborne DBF Dielectric resonator antenna array’, July 2010, Axess Europe, Toulouse, France
- 10 years of research experience in Antenna systems
- Post doctoral research experience, University Paris-Est Marne la Vallee, France
- Over 3 years of overseas (France) industrial experience
- Holds 1 European patent, 2 patents under Processing and 27 research publications in reputed journals like IEEE Transactions on Antennas and Propagation, IEEE letters, IEE Electronics letters and conference proceedings
- Recipient of URSI young scientist award and various research fellowships
- Invited to Rashtrapathi Bhavan by Dr. A.P.J. Abdul Kalam in the year 2005.
- Reviewer of IEEE Transactions on antennas and propagation (IEEE AP)
- Member, Teaching staff interview panel (Electronics), IHRD Applied Science College, Wayanad, Kerala
- Nodal Officer, EDUSAT Satellite Interactive Terminal facility, Government College Mananthavady
- Co-ordinator, Additional Skill Acquisition Programme (ASAP), Government College Mananthavady
- Mentor of 6 College students in the Govt. of Kerala sponsered project 'WALK WITH A SCHOLAR'
Education
- Ph.D. (Microwave antennas), Cochin University of Science & Technology, India (2002 - 2007)
- M.Sc (Applied Electronics), Bharathiar University, India, (2000 – 2002) – Distinction
- B.Sc (Electronics), M.G University, Kerala, India(1997-2000) – Distinction
Experience in EM tools
FDTD, HFSS, CST Microwave studio, Ansoft designer & IE3D
Experience in Microwave measurements
Network analyzers (Agilent PNA 5245, R&S ZVB20, 8510C), scalar analyzers, power meters, measurement in anechoic chamber, spectrum analyzers, Krupka & cavity perturbation material characterization etc.
Research projects completed
- Development of Dielectric resonator antenna based Digital beam forming array module for airborne communication, Axess Europe, France
- Development of novel Ku band dielectric resonator antenna for broadband airborne applications, Axess Europe, France
- Developed cavity perturbation based system for measuring dielectric constant of materials in Ku band
- Development of RF MEMS integrated radiation pattern reconfigurable microstrip antenna, Thales Alenia space, France
- Design of a dual band dual polarized microstrip antenna for airborne applications Axess Europe, France
- Development of a microstrip antenna for polarization hopping system, Polarizone Technologies, Malaysia
- Design of a compact printed antenna for wireless sensor networks, Wireless People, Malaysia
- A compact printed antenna having dipole like radiation pattern
Memberships & Technical activities
- Reviewer, IEEE Transactions on Antennas and propagation
- Radio Scientist, International Union of Radio Science (URSI)
- Grade I Amateur radio operator, call sign VU2EMR
Patents & Publications
Patents
1. Dielectric resonator antenna with dual polarization, Rohith K. Raj et al. Axess Europe, France
3. Ultracompact Coplanar Antenna, Rohith K. Raj et al. (Under process in DST)
International journals
1. Rohith K. Raj, Benoit Poussot, Jean-Marc Laheurte and O. Vendier, Pattern Reconfigurable Microstrip antenna using flip chip mounted packaged RF MEMS, Microwave and optical Technology Letters, Vol. 52, No.3, March 2010, pp. 574-577
2. Rohith K. Raj, Manoj Joseph, C. K. Aanandan, K. Vasudevan and P. Mohanan, A new compact microstrip-fed dual-band coplanar antenna for WLAN applications IEEE Transactions on Antennas and Propagation, vol.54, no.12, pp 3755-3762, 2006
3. Rohith.K.Raj, Manoj Joseph, Binu Paul, P.Mohanan, Compact planar multiband antenna for PCS,DCS,2.4/5.8GHz WLAN applications, IEE Electronics Letters, Vol. 41, No.6, pp.290-291, 2005
4. Rohith K. Raj, Sona O. Kundukulam, C. K. Aanandan, , P. Mohanan, Praveen Kumar, Compact amplifier integrated microstrip antenna, Microwave and Optical Technology Letters Volume 40, Issue 4, Date: 20 February 2004, Pages: 296-298
5. Manoj Joseph , Rohith.K.Raj, Binu Paul, P.Mohanan, Compact wide band antenna for 2.4GHz WLAN applications, IEE Electronics Letters, Vol. 40, No.23, pp.1460-1461,11th November 2004
6. Compact Asymmetric Coplanar Strip Fed Monopole Antenna for Multiband Applications, Deepu, V.; Raj, R. K.; Joseph, M..; Suma, M. N.; Mohanan, P..IEEE Transactions on Antennas and Propagation, vol. 55, issue 8, pp. 2351-23, 2007
7. Deepu V.; Rohith, K.R.; Manoj, J.; Suma, M.N.; Vasudevan, K.; Aanandan, C.K.Aanandan and Mohanan, P Compact uniplanar antenna for WLAN applications Electronics Letters Vol 43, no 2, Page(s) 70 - 72 , 2007
8. Planar branched monopole antenna for UWB applications, K. Francis Jacob, M. N. Suma, Rohith K. Raj, Manoj Joseph, P. Mohanan Microwave and Optical Technology Letters, Volume 49 Issue 1, Pages 45 – 47, 2006
9. A compact dual band planar branched monopole antenna for DCS/2.4-GHz WLAN applications, Suma, M.N. Raj, R.K. Joseph, M. Bybi, P.C. Mohanan, P. Microwave and Wireless Components Letters, IEEE, May 2006, Volume: 16, Issue: 5, page(s): 275- 277
10. Compact dual-band antenna for DCS/2.4 GHz WLAN applications, Manoj Joseph, Rohith K. Raj, M. N. Suma, P. Mohanan, Microwave and Optical Technology Letters
Volume 48 Issue 5 , Pages 856 – 859, 28 Mar 2006
11. Microstrip-fed dual band folded dipole antenna for DCS/PCS/2.4GHz WLAN applications, Joseph, Manoj, Raj, Rohith K, Suma, M N, Aanandan, C K, Vasudevan, K, Mohanan,P, International Journal on Wireless & Optical Communications, Vol. 4, no. 1, pp. 43-51. Jan. 2007
12. Compact ultra-wideband planar serrated antenna with notch band ON/OFF control
Shameena, V.A. Suma, M.N. Rohith K. Raj , K. Bybi, P.C. Mohanan, P, Electronics Letters, November 9 2006, Volume: 42, Issue: 23, On page(s): 1323-1324
Conference proceedings
13. Manoj Joseph, Rohith.K.Raj, K.Vasudevan, C.K.Aanandan, P.Mohanan A Novel Compact Wideband Antenna, XXVIIIth URSI GA 2005, New Delhi, October
14. Manoj Joseph, Rohith.K.Raj, P.Mohanan, Compact planar multiband antenna, Proc. IEEE APS International Symposium, Washington DC, July 3-8
15. Rohith K. Raj, Sona O. Kundukulam, Shynu S.V., C.K. Aanandan, K. Vasudevan, P. Mohanan and Praveen Kumar Compact slotted active Microstrip antenna, CODEC-04 January 1-3, 2004, Kolkata, India
16. Rohith K. Raj, Sona O. Kundukulam, C.K. Aanandan, K. Vasudevan, P. Mohanan and Praveen Kumar Compact active Microstrip antenna 1st International Conference on Microwaves, Antenna, Propagation and Remote Sensing (ICMARS-2003), December 15 -19, Jodhpur
17. Manoj Joseph, Rohith K Raj, Binu Paul, , C.K. Aanandan, P.Mohanan K.Vasudevan and K.G Nair, Compact wideband antenna for Bluetooth applications Proc. of the National Symposium on Microwave Antennas and Propagation, APSYM-04, pp.64-67, Cochin, 2004
18. Rohith K Raj, Manoj Joseph, C.K. Aanandan, K.Vasudevan and P.Mohanan Compact Coplanar Antenna for active antenna applications Proc. of the National Symposium on Microwave Antennas and Propagation, APSYM-04, pp.222-225, Cochin, 2004
International/Major Conferences 2004
19. Rohith K. Raj, Manoj Joseph, C. K. Aanandan, K. Vasudevan and P. Mohanan. A New Compact Printed Antenna with Coplanar Configuration IEEE Antennas and propagation International symposium, 2005
20. Manoj Joseph, Rohith K. Raj, C. K. Aanandan, K. Vasudevan and P. Mohanan Compact Planar Multiband Antenna APS 2005
21. Compact dual band antenna for WLAN applications
Deepu. V, Rohith K. Raj, Manoj Joseph, Suma M N, Mohanan, P, IEEE APS International Symposium, 2007, 9-15 June 2007 On page(s): 2053-2053
22. Fractal PBG Microstrip antenna, Roihith K. Raj, Jayaram, Sreedevi K. Menon, C.K. Aanandan, K. Vasudevan, P.Mohanan, National Symposium on Antennas and Propagation, December 2002, Cochin
23. Shynu S. V, Rohith K. Raj, Anupam R. Chandran, Aanandan C. K, Mohanan P. and Vasudevan K. “Single Feed Dual Frequency Dual Polarized Microstrip Antenna with Hexagonal Slot” Proc. of IEEE APS International Symposium, Monterey, CA, USA, June 20-25, 4380-4383
24. A new compact coplanar antenna, Rohith K. Raj, Manoj Joseph, K.Vasudevan, C.K. Aanandan and P.Mohanan, XXVIIIth URSI General Assembly, New Delhi, October2005
Technical reports
25 Ku band Dielectric resonator antenna sub array design, Axess Europe, France March 2009
26 Development of Dielectric resonator antenna for Phased array applications, June 2009
27 Cavity perturbation technique for dielectric constant and loss measurement, Axess Europe, France, July 2009
28 Cahier de recette ‘Ku band airborne DBF Dielectric resonator antenna array’, July 2010, Axess Europe, Toulouse, France