Neela Chattoraj

Joined Institute on : 6-Aug-2001

Associate Professor
Electronics and Communication Engg
Ph.D Engg

Contact Address

Deptt. of Electronics & Communication Engg., Birla Institute of Technology, Mesra, Ranchi-835215.

C/o Mala chattoraj,Tungratoli,Booty More Ranchi-835217

Phone Office - 06512275444
Phone Residence - 06512275444
Email - nchattoraj@bitmesra.ac.in

Work Experience

Teaching : 24 Years

Research : 18 Years

Individual: 5 Years

Professional Background

March 1988-December 1992-----CSIR Cetral fuel Research Instititute ,CFRI Dhanbad.
Faculty in charge Computer Training Centre Govt Women’s Polytechnic,Tharpakhna Ranchi-1992-1994.
Project Engineer under MHRD ,Govt of India ,NewDelhi-1994-2001.
Working as An Associate Professor in BIT Mesra
National Project on MEMS(Establishment of MEMS Design centre) Govt of India (Ministry of Defence) with IISC Bangalore(2010-2014) of 10.16 Lakh.(completed)
Project on MEMS based piezoelectric energy harvestor for implanted medical devices(SERB), Govt. of India. 2017- 2020 of 38.8602 Lakh.(completed)

Research Areas

Microstrip Patch antenna Optimization using GA,Multifrequency And Reconfigurable Antenna ,DRA, Metasurface,UWB,fractal,EM scattering,RF MEMS,Vivaldi antenna , beam scanning array,MIMO Antenna

PhD Supervised (Awarded) 10

On going – 02---

Sr. No.	Scholar Name	Research Topic	year
1	Chanchala kumari	Design, Analysis and Development of Tapered Slot Antenna for Wireless Applications	2024
2.	Neha rajak	Performance Improvement of Microwave Antenna using Metamaterial	2021
3.	Quratullain	Design and Development of Band Notched UWB Antennas	2021
4.	Babulinkon	Study of multi-dimensional transformation based modelling of object by inverse scattering methodology	2021
5	Parikshit Vasisht	Some Investigations On Dielectric Resonator Antennas	2020
6.	Mrinmoy chakraborty	*Design and Development of UWB antenna with/ without notch characteristics*	2019
7.	Arpita sen	Design and Development of Reconfigurable Multifrequency Microstrip Antenna for Wireless communication	2018
8.	Babulal sahu	Design and Development of advanced microwave circuits using fractal geometries	2018
9.	V.Janardan	Design and development of RF MEMS Phase Shifter and Filter for Phased Array antenna	2013
10.	Jayant Ghosh	Design of multi frequency & broadband microstrip antennas for wireless communications	2012
Ph.D under going -03

-

Award and Honours

Paper presented by scholar –Arpita Sen received young Investigator Award in IRNET SCIENCE ,MARCH 2012.
Significant Awards and Recognitions (National and International): Winner Team (Vinod Belwanshi, Neela Chattoraj, Richa Mishra), Ministry of Electronicsand Information Technology , India Semiconductor Mission and IISc Bangaloresponsored INUP Hackathon 2025, Topic: SOI-MEMS Hackathon: Pioneering Innovations, in April 2025 in Microelectromechanical Systems, Project – Development of MEMS Pressure Sensors Intended for Subsonic Wind Tunnel Applications.
M.Tech projet accepted in isro for protype model in ISRO in 2013

Publications

International Journals (2020-2024 ) SCI

Title of the Paper	Author(s)	Name of the Journal	Volume and Issue No.	Page No.	Date of Publication	ISSN No. of the Journal	DOI Link

Compact circular Wilkinson power divider for wireless applications	sharmen Sultana And Neela Chattoraj	frequenz	vol 78,issue 11-12	pp 633-643	July 24	0016-1136	DOI:10.1515/freq-2024-0034
Perf ormance analysis of TSA array with elliptical patch	Chanchala Kumari and Neela Chattoraj	International Journal of Microwave and Wireless Technologies	15,issue 7	1242-1250	September 2023	17590795, 17590787.	https://doi.org/10.1017/S1759078722001313
Miniaturized Vivaldi Tapered Slot Antenna (VTSA) with Microstrip to SIW Feed Structure for X Band Application	Chanchala Kumari and Neela Chattoraj	The IETE Journal of Research	ISSN: 0377- 2063 Online ISSN: 0974- 780X ·	1-9	2022	0337-2063	https://doi.org/10.1080/03772063.2022.2142858
An ultra-wideband rectangular ring dielectric resonator antenna integrated with hybrid shaped patch for wireless applications	parikshit vashist,Robert Mark ,Neela chattoraj	Frequenz	vol-75,issue 9-10,	pp399-406	May 2021	0016-1136	DOI:10.1515/freq-2020-0218
a novel hybrid ultra wide band radio sensor for primitive stage detection of breast cancer	taruna Sharma, parikshit vashist,Muni vasisht,Ravi chandra,rajveer singh ,Neela Chattoraj	international journal of information technology	vol 13	pp983-988	March 2021	2511-2104	https://doi.org/10.1007/s41870-021-00641-x

International Journals:SCI/SCOPUS (2011-2020 JUNE)


1	MrinmoyChakraborty, Srikant Pal and Neela Chattoraj; Quad notch UWB antenna using combination of slots and combination of slots and split?ring resonator; International journal of RF & Microwave Computer Aided Engineering (Wiley); Volume30, Issue3, 1-10, e22086, March 2020	SCI
2	Babu L. P. Meenaketan , Srikanta Pal , NeelaChattoraj ; A novel approach for electromagnetic inverse scattering of a two?dimensional perfect electric conductor object: International journal of RF & Microwave Computer Aided Engineering (Wiley); Volume290, Issue11, 1-10, November 2019,	SCI
3	Neha Rajak, Neela Chattoraj , Robert Mark ,Meta material Cell Inspired High Gain Multiband Antenna for Wireless Application;; AEU-International Electronics and Communications ; Volume109; 23-30; September 2019,	SCI
4	Babu L. P. Meenaketan , Srikanta Pal , NeelaChattoraj ;Electromagnetic forward and inverse scattering analysis of a one-dimensional collision system ; International journal of RF & Microwave Computer Aided Engineering (Wiley); Volume29, Issue8, 1-11, August 2019,	SCI
5	Quarratulain, Neela Chattoraj ;Parametric study and Analysis of Band Stop Characteristics for a Compact UWB Antenna with Tri-band notches ;; Journal of microwaves, optoelectronics &electromagnetic Applications ; Volume17, Issue4, 509-527;December 2018.,	Scopus
6	Dipta Chaudhuri Sudip Kundu, Neela Chattoraj ;Design and analysis of MEMS based piezoelectric energy harvester for machine monitoring ; Micro-system Technologies,Springer ; Volume25, Issue4;1437-1446; ;October 2018.,	SCI
7	AnandPrakash Neela Chattoraj SatyaBhusanshukla ; Design and development of Vivaldi antenna array for wind profile RADAR application; Microwave & optical Technology Letters(MOTL); Volume60, Issue3;725-731 ;March 2018.,	SCI
8	Neha Rajak, Neela Chattoraj ;A Bandwidth Enhanced Metasurface Antenna For Wireless Applications ; Microwave & optical Technology Letters(MOTL); Volume59, Issue10;2575-2580 ; October 2017.,	SCI
9	BabulalSahu, Srikant Pal , NeelaChattoraj, ,DileepkumarUpadhyay; Highly compact UWB bandpass filter based on composite right/left-handed transmission Line and meander fractal like ring slot in ground ; International journal of wireless Technologies ; Volume5, Issue5; 1037-1044; June 2017	SCI
10	ParikshitVasisht and N.chattoraj ;Design and Development of Wideband RDRA fed with parallel conducting strips chamfered at edges separated by partial matching slab; Microwave & optical Technology Letters(MOTL); Volume59, Issue3;695-698; March 2017.,	SCI
11	BabulalSahu, Srikant Pal , NeelaChattoraj, ,DileepkumarUpadhyay ; A Compact UWB band pass filter using Hybrid fractal shaped DGS ; Journal of microwaves, optoelectronics &electromagnetic Applications ; Volume6, No,38-49; March 2017.,	Scopus
12	BabulalSahu, Srikant Pal , NeelaChattoraj ; A Novel Triangular shaped UWBfractal antenna using circular slot; Frequenz; Volume70(3-4), No,113-120,; Oct-2016 ;	SCI
13.	BabulalSahu, Srikant Pal , NeelaChattoraj ; Design of super wideband hexagonal?shaped fractal antenna with triangular slot; Microwave & optical Technology Letters(MOTL); Volume57,No7;1659-1662; July2015.,	SCI
14.	MrinmoyChakraborty, Srikant Pal and Neela Chattoraj; Realization of high performance compact CPW-FED planar UWB Antenna using higher order Asymmetry for practical Applications; Microwave & optical Technology Letters(MOTL); Volume58,No2;398-399; February2015.,	SCI
15.	BabulalSahu, Srikant Pal , NeelaChattoraj ; A Compact super wideband monopole antenna design using fractal geometries; Microwave Review,Volume2,No2; 20-24;December2014;	Scopus
16.	N.Chattoraj,Quaratul lain,J.saxena,S.Agar wal and K.V.Singh; Design of a Novel dual band planar inverted F antenna for mobile radio applications, Journal of microwaves, optoelectronics &electromagnetic Applications ; Volume13, No2,177-184;December 2014.,	Scopus
17.	Quarratulain, Neela Chattoraj ;A Compact Novel Tapered U Slot Ultra Wideband Antenna; International Journal of Applied Science and Engineering; Volume11,Issue3,301-315;September,2013	Scopus
18.	A. Sen, N. Chattoraj, “Dual-Frequency Microstrip Antenna for Wireless Applications and effect on fraud “Electrical and Electronic Engineering SAP journal USA, Vol.2, No.2, pp78-81, April 2012.	Scopus
19.	V Janardhana, S Pamidighantam, N Chattoraj, J S Roy, R G Kulkarni, “Experimental Investigations on a Surface Micromachined Tunable Low Pass Filter”, Progress in Electromagnetics Research Letters, Vol.27, 171-178, Nov 2011.	SCI

International Journals:SCI/SCOPUS-2006-2010

.1	N. Chattoraj & J. S. Roy, “Application of Genetic Algorithm to The Optimization of Microstrip Antennas with and Without Superstrate”, Microwave Review, Vol.12, No.2, pp.32-35, Nov.2006. SCOPUS
2.	N. Chattoraj & J. S. Roy, “The Optimization of Gain of Patch Antennas using Genetic Algorithm”, ACTA Tech CSAV Journal, Vol.51, pp.279-287, Nov.2006. SCOPUS
3.	J. S. Roy, N. Chattoraj and N. Swain “Short Circuited Microstrip Antennas for Multi-band Wireless communications”, Microwave & Optical Technology Letters (USA), Vol. 48, No. 12, pp. 2372 – 2375, Dec.2006. SCI

Referred journal (2006-2014)

1.	N. Chattoraj, J. S. Roy, “Application of Genetic Algorithm to the Optimization of Gain of Patch Antennas with and without Dielectric Layer”, HIT Trans. Electronics, Communication, Computer and Networks (India), Vol. 1, No.1, pp.37 – 42, Jan.-Mar. 2006.
2	N. Chattoraj & J. S. Roy, “Application of Genetic Algorithm to the Optimization of Gain of Magnetized Ferrite Microstrip Antenna”, Engineering Letters, Vol. 14, No. 2, pp. 124 – 129, June 2007.
3	J. S. Roy, N. Chattoraj and N. Swain” New Dual-Frequency Microstrip Antennas For Wireless Communications”, Romanian Journal of Information Science and Technology ,Vol. 10, No. 1, pp.113–119, 2007.
4	A. Sen, N. Chattoraj, “Quadruple-Frequency Microstrip Antenna for Wireless Applications and its Equivalent Circuit” IRNet Transactions on Computer Science and Engineering ITCSE, Vol. 1, No 1, pp. 42-46, July 2012.
5	Quartalluin, N. Chattoraj, “A Compact wide Band antenna with single wideband notch for WLAN band.” International Journal of Computer Applications, Vol. 2, pp. 04-07, Sep. 2013.
6	Quartalluin,N.Chattoraj, “Effect of Ground plane on a Tapered U slot UWB Antenna WLAN band.” International Journal of computer applications, Vol. 2, pp. 08-11, Sep. 2013.
7	Quartalluin, N. Chattoraj, “Design & Development of Small Compact UWB Antenna” IOP Science Series ,Vol. 44, pp.1-4, April 2013.
8	Quartalluin, N. Chattoraj “ A Compact Novel Tapered U Slot Ultra Wideband Antenna” International journal of Applied Sciece And Engineering (IJASE) Volume11 , No 3: pp301-315 Sept 2013
9	MEMS Transmission Line Low Loss Phase shifter” International Journal of Engineering Research & Technology (IJERT), Vol. 3, Issue 1, pp. 350-353, January 2014.
10	V Janardhana, S Pamidighantam, N Chattoraj, J S Roy, R G Kulkarni, “Experimental Investigations of Microstrip Distributed MEMS Transmission Line Phase Shifter” International Journal of Electronics and Communication Engineering & Technology (IJECET), pp. 222-229, Nov. 2013.
11	Arpita Sen, Neela Chattoraj “Tetra-Frequency Microstrip Antenna for Wireless Applications", International Journal of Computer Application, Vol. 85, No 15, pp 27-31, January 2014

National Journal(2006-2008)

N. Chattoraj & J. S. Roy, “ Application Of Genetic Algorithm To The Optimization Of Gain Of Patch Antennas With And Without Dielectric Layer” International Journal of HIT Trans. Electronics, International Journal of HIT Trans. Electronics, Communication, Computer and Networks (India), Vol. 1, No.1, pp.37 – 42, Jan.-Mar. 2006.
N. Chattoraj and J. S. Roy, “Application of Genetic Algorithm to the Optimization of Microstrip Antennas Covered With a Dielectric Layer”, Journal of the Institution of Engineers (India), Vol. 88, pp. 3-6, January 2008.

Conference Papers (2013-2022)

Title of the Paper	Author(s)	Conference	Organizer	Date of Conference	DOI Link
Design of Multi-slotted Trapezoidal Cantilever for Low Frequency Devices	Arvind kumar,Neela Chattoraj, asutosh anand	IEEE International Conference on Distributed Computing and Electrical Circuits and Electronics (ICDCECE)	Ballari, India	April 2022	DOI: 10.1109/ICDCECE53908.2022.9793163
Design of an elementary microstrip power splitter for antenna array.	Kumari, Chanchala, and Neela Chattoraj.	National Conference on Communications (NCC). IEEE, 2021.	IIT kanpur	2021	10.1109/NCC52529.2021.9530097
A Novel Compact Ultra Wide-Band MSRDRA for X- and KU-BAND Applications	Parikshit Vasisht, Neela Chattoraj, Ravi Chandra and Neha Rajak	URSI-( Asia-Pacific Radio ScienceConference)	URSI-New delhi ,India Habitat Centre	11-Mar-2019	DOI: 10.23919/URSIA P-RASC.2019.87 38749
A gain & bandwidth enhanced metamaterial based surface antenna for wireless communication	Neha Rajak, Neela Chattoraj & Raghavendra kumar	URSI-( Asia-Pacific Radio ScienceConference)	URSI-New delhi ,India Habitat Centre	10-Mar-2019	DOI: 10.23919/URSIA P-RASC.2019.87 38550
Electromagnetic Scattering Analysis Due To A Colliding System Using Quasi Stationary -Finite DifferenceTime Domain Method	P Meenaketan , Srikanta Pal ,N Chattoraj .	URSI-( Asia-Pacific Radio ScienceConference)	URSI-New delhi	09-Mar-2019	DOI: 10.23919/URSIA P-RASC.2019.87 38410
Design and Development of Low-Cost Patch Antenna Using Air Gap for Wireless Applications	Neela Chattoraj,Neha Rajak, Basudeo Mahto,Rahul Kumar	Third InternationaConference on Microelectronics, Computing and Communication Systems	ARTTC BSNL RANCHI-Advanced Regional Telecom Training Centre,835217	03-Nov-2018	DOI:https://doi.org /10.1007/978-981 -13-7091-5_24
Inverse scattering using scattered field pattern	Babulinkon .P.Minaketan,Srikan ta Pal &N.Chattoraj	Proceeding of International Symposium on Antennas & Propagation ,APSYM2016	Cohin University of ScienceTechnology,Kochi n ,India	15-Dec-2016	http://toc.proceedi ngs.com/34551we btoc.pdf
Design and analysis of a bandwidth enhanced antenna based on metasurface for wireless applicatioband ns	Neha Rajak, Neela Chattoraj,	2016 IEEE Uttar Pradesh Section International Conference on Electrical, Computer and Electronics Engineering (UPCON)	Indian Institute of Technology (Banaras Hindu University) Varanasi, India	09-Dec-2016	DOI: 10.1109/UPCON. 2016.7894681

Design and Ananalysis of Various Wilkinson Power Divider Networks for L Band Applications	DebajitDey, AnandPrakash, NeelaChattoraj ,P.K.Sahu&AnjuVer ma	International conference of signal processing and integrated network,SPIN-2016	Amity School of Engineering and Technology,	11-Feb-2016	DOI: 10.1109/SPIN.20 16.7566664
Investigation of Microgripper Using Thermal Actuator ,	N. Chattoraj, Abhijeet Pasumarthy, Rajeev Agarwal and Asifa Imam	Proceedings of the International Conference on Microelectronics, Computing &Communication Systems ,	ARTTC BSNL RANCHI-Advanced Regional Telecom Training Centre	14-Nov-2015	DOI https://doi.org/10. 1007/978-981-10- 5565-2
Investigation of Electrostatic Actuation Scheme for Low Voltage MEMS Switch	Sudhanshu Kumar, Neela Chattoraj, Manish K. Sinha and Niharika Danu	Springer Proceedings of Ist international conference on nanoelectronics circuits and communication systems	ARTTC BSNL RANCHI-Advanced Regional Telecom Training Centre	09-May-2015	DOI 10.1007/978-981- 10-2999-8
Design and analysis of a frfrequency reconfigurable antenna using metasurface for wireless applications	MetranageswaraPav an ,N.Chattoraj	IEEE Sponsored 2nd International conference on Innovations in Information, Embedded and Communication Systems (ICIIECS'15)	Karpagam College of Engineering, Coimbatore	19-Mar-2015	DOI: 10.1109/ICIIECS. 2015.7193145
Development of a Novel Microstrip Patch Antenna For TCAS Applicatio	DebajitDe,Prasanna Sahu, NeelaChattoraj	International Symposium on Antennas and Propagation (APSYM),	Cochin University of Science & Technology	17-Dec-2014	https://dyuthi.cusa t.ac.in/xmlui/handl e/purl/4914
RF MEMS Capacitive Type Shunt Switch DebajitDe,NeelaChattoraj	DebajitDe,NeelaCha ttoraj	IEEEAppliedElectromagn eticsConference2013(IEE E AEMC2013),	KIIT University, Bhubaneswar	19-Dec-2013	DOI: 10.1109/AEMC.2 013.7045081
RF MEMS Metal to Metal Contact Type Shunt Switch	DebajitDe,NeelaCha ttoraj	IEEEAppliedElectromagn eticsConference2013(IEE E AEMC2013),	KIIT University, Bhubaneswar	19-Dec-2013	DOI: 10.1109/AEMC.2 013.7045076

A Novel CPW Fed SierpinsikiCarpet Fractal UWB Slot Antenna	Babu Lal Shahu ; Neela Chattoraj ; Srikanta Pal	International Conference on Microwaveand Photonics (ICMAP2013)	ISM Dhanbad	13-Dec-2013	DOI: 10.1109/ICMAP.2 013.6733460
A compact UWB Antenna with Wide Band notch at5GHZ for WLANBand	Quarratulain, Neela Chattoraj	International conference in Progress in Electromagnetic Research &Sympos,iStockholm,Swe denum	The Electromagnetics Academy PIERS,,University of Michigan, USA,	13-Aug-2013	https://piers.org/pi ersproceedings/pi ers2013Proc.php
Design and Development of Reconfigurable Microstrip Patch Antenna Using MEMS Switch for Ku-band Application	PrafullaChandraPra sad, NeelaChattoraj	International conference in Progress in Electromagnetic Research &Sympos,iStockholm,Swe denum	The Electromagnetics Academy PIERS,,University of Michigan, USA,	13-Aug-2013	https://piers.org/pi ersproceedings/pi ers2013Proc.php
Design of Compact Ku Band Microstrip Antenna for Satellite Communication	PrafullaChandraPra sad, NeelaChattoraj	INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND SIGNAL PROCESSING (ICCSP)	IEEE Madras Section Me https://doi.org/10.1109/iccsp.2013.6577042 maruvathur, INDIA	04-Apr-2013	DOI: 10.1109/ICCSP.2 013.6577042
Design and Development of a Single Feed ReconfigurableDual-Frequency MicrostripAntenna	A.Sen ,PrafullaChandraPra sad ,NeelaChattoraj	INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND SIGNAL PROCESSING (ICCSP)13	IEEE Madras Section Melmaruvathur, INDIA 10.1109/iccsp.2013.6577047	04-Apr-2013	DOI: 10.1109/iccsp.201 3.6577047

Conference Proceedings:(2002-2013)

International:

J.S. Roy and N. Chattoraj, “Magnetically biased ferrite micrsotrip antenna”, Proc. APSYM, Cochin, India, pp 288-291, Dec. 2002.
J.S.Roy and N. Chattoraj, “A New Technique for Scaling Dielectric Constant of Microstrip Substrates from Antenna Measurement”, Proc. ICMARS-2004, Jodhpur, pp. 177-179, 23-25 Nov. 2004.
N. Chattoraj and J. S. Roy, “Investigations on Microstrip Antennas Covered with a Dielectric Layer using Genetic Algorithm”, Presented in URSI Conference, New Delhi, Oct. 2005.
N. Chattoraj and J. S. Roy, “Optimization of Efficiency and Gain of Magnetized Ferrite Microstrip Antenna Using Genetic Algorithm”, presented in EUCAP07 Edinburg (UK),11-16 Nov., 2007.
V Janardhana, S Pamidighantam, N Chattoraj, J S Roy, R G Kulkarni5, “MEMS Distributed Wide Band Phase Shifters” proceeding International conference on sensors and related networks Vellore Institute of Technology, Vellore, India pp.1-5, Dec. 07-10,2009.
V Janardhana, S Pamidighantam, N Chattoraj, J S Roy, R G Kulkarni,”CPW- Quasi-Static Analysis,” Proc. The third IETE Conference on RF & Wireless - 2010 (ICon RFW -10), 07-09 Oct. 2010.
Vandana Sehgal, N.Chattoraj “Helical Antenna Design for Signal Enhancement”, Proc. of ICMARS-2011, Jodhpur, pp.79-80, Dec. 7-10 2011.
Vandana Sehgal, N.Chattoraj “Effects of Dielectic Superstrates on Gain of an Equilateral Triangular Microstrip Patch Antenna “Proc. of ICMARS-2011 Jodhpur, pp.107-108, , Dec. 7-10 2011.
Quartalluin, N.Chattoraj A small miniaturized novel tapered U slot ultrawideband antenna ”, Proc. of ICMARS-2011, Jodhpur, pp.89, Dec. 7-10, 2011
Quartalluin, N.Chattoraj “Design & Development of small tapered U slot ultrawideband antenna with difffernent dielectric substrates” Proc. of ICMARS- 2011, Jodhpur, pp 119-120, Dec. 7-10 2011
A.sen,N.Chattoraj.“Multi-Frequency Microstrip Antennas for Wireless Applications and its effect on fraud”, IEEE AEMC and IEEE IAW 2011, Kolkata, India, pp1-5, Dec. 18 – 22 2011
A.sen,N.Chattoraj."Quadruple-Frequency Microstrip Antenna for Wireless Applications and its Equivalent Circuit", International Conference on Electronics and Communication Engineering, ICECE-2012, Kolkata, pp. 36-40, Mar. 24, 2012.
A.sen,N.Chattoraj. “Reconfigurable Microstrip Antenna for Wireless Applications and its equivalent circuit” International Conference on Innovations in Electronics and Communication Engineering, ICIECE - 2012, Hyderabad, pp. 229-232, Jul. 20-21, 2012
A.sen,N.Chattoraj. “Dual Frequency Microstrip Antenna for Wireless Applications and its reconfigurable counterpart” International Conference on Electronics and Communication Engineering, ICECE-2012, Bangalore, pp. 115-121May. 20, 2012.
Quartalluin,N.Chattoraj “Design & Development of small Compact UWB Antenna” Radio and Antenna Day of the Indian OCEAN, Radio 2012, ,Sugar Beach resort,walmar,Flicen Flac,Mauritius, pp.14, 24-27 sep. 2012
Quartalluin,N.Chattoraj “Comparative Study of Compact UWB Antenna on different dielectric substrate” Radio and Antenna Day of the Indian OCEAN,Radio 2012, Sugar Beach resort,walmar,Flicen Flac,Mauritius, pp,40, 24-27 sep. 2012
Quartalluin,N.Chattoraj “A Compact wide Band antenna With single wideband notch for WLAN band.” International Conference on Communication Circuits & systems, ,KIIT
Quartalluin,N.Chattoraj “Effect Of Ground plane on a tapered U slot UWB Antenna” WLAN band.” International Conference on Communication Circuits & systems, KII
Quartalluin,N.Chattoraj “A compact UWB Antenna with Wide Band notch at 5GHZ for WLAN Band,” International conference in Progress in Electromagnetic Research & Symposium, PIERS,Proceeding ,2013,Stockholm,Sweden, pp764-767, 2013
Prafulla Chandra Prasad, Neela Chattoraj, “ Design & Development of Reconfigurable Microstrip Patch Antenna Using MEMS switch for KU –band Application” International conference in Progress in Electromagnetic Research & Symposium,PIERS,Proceeding ,2013,Stockholm,Sweden,pp 764-767, 2013
Prafulla Chandra Prasad, Neela Chattoraj “Design of Compact Ku Band Microstrip Antenna for Satellite Communication” IEEE International Conference on Communication and Signal Processing-ICCSP'13,Tamilnadu pp. 196-200, 3-4th April 2013
A.Sen,Prafulla Chandra Prasad, Neela Chattoraj “Design and Development of a Single Feed Reconfigurable Dual-Frequency Microstrip Antenna” IEEE International Conference on Communication and Signal Processing-ICCSP'13,Tamilnadu pp. 221-225, 3-4th April ,2013
Sweta Srivastava, N.Chattoraj, T,R.Viswakarma “Theoritical Analysis of circular patch Antenna on Ferrite Substrate” IEEE-ACE 2002, Kolkata,pp.16-19 , Dec 2002
J.S.Roy ,. N.chattoraj Optimization of Magnetized Ferrite Microstrip Antenna Using Genetic Algorithm”. Proc. of NASDEC2 , pp. 174-177, BIT, Mesra, Ranchi, 2-4 November, 2006.
A.Sen,J.Ghosh, J.S.Roy, N.chattoraj “Design of A Compact Dual-Frequency Microstrip Antenna Loaded by A Parasitic Patch for GPS and Bluetooth Systems”, Proc. of AEC-DISC Conference, Asansol, 2008, pp. 40-42, Aug. 1-2, 2008.
J.Ghosh , N.chattoraj, “Design of an Asymmetric T-slot Coupled Circular Microstrip Antenna for GPS Application” Proceeding of National Conference on Microwave & communications NCMicrocom 2010 ,BIET Suri(W.B), Feb 19-20, 2010.
Debajit De, Neela Chattoraj " A Review - Theoretical Analysis of TCAS Antenna " Publication Details : Proceedings of IEEE International Conference on Green Computing, Communication and Electrical Engineering 2014 ; Page No.: 269-275, ISBN No.: 978-1-4799-4983-0, 2014
Debajit De, Neela Chattoraj "RF MEMS Capacitive Type Shunt SwitchI" IEEE Applied Electromagnetics Conference 2013 ( IEEE AEMC 2013 ), KIIT University, Bhubaneswar ; 18-20th December, 2013.(will be published in IEEE explorer).
Debajit De, Neela Chattoraj" RF MEMS Metal to Metal Contact Type Shunt Switch" IEEE Applied Electromagnetics Conference 2013 ( IEEE AEMC 2013 ), KIIT University, Bhubaneswar ; 18-20th December, 2013, (will be published in IEEE explorer)
Babu lal shahu, Neela Chattoraj, Srikanta Pal "A Novel CPW Fed Sierpinski Carpet Fractal UWB Slot Antenna" International Conference on Microwave and Photonics (ICMAP2013)ism dhanbad,13-15 December,published IEEE explorer 978-1-4799-2174-4/13/$31.00 ©2013 IEEE

National: (2002-2007)

S.Srivastava,N.Chattoraj & Babu R.Visvakarma “Theoretical Analysis of circular patch Antenna on Ferrite Substrate”IEEE-ACE 2002,Kolkata,pp.16-19 , Dec 2002.
N. Chattoraj and J. S. Roy, “Optimization of Magnetized Ferrite Microstrip Antenna Using Genetic Algorithm”, Proc. of NASDEC2, pp. 174-177, BIT, Mesra, Ranchi, 2-4 November, 2006
N. Chattoraj and J. S. Roy, “Optimization of Magnetized Ferrite Microstrip Antenna Using Genetic Algorithm”, WieNSET-2007, Calcutta, June 29- 30, 2007

Member of Professional Bodies

1.Institute of smart structure & systems ISSS, IISC Bangalore(life member)

2. IEEE

3. ISTE

Current Sponsored Projects

National Project on MEMS(Establishment of MEMS Design centre) Govt of India (Ministry of Defence) with IISC Bangalore(2010-2014) of 10.16 Lakh.(completed)
Project on MEMS based piezoelectric energy harvestor for implanted medical devices(SERB), Govt. of India. 2017- 2020 of 38.8602 Lakh.(completed)

Intellectual Property Rights (IPR)

Patent published-07

1

1.Patent Application No. 202211021299 A (15.04.2022) Status: / Published -Patent

1. Title of Invention: ULTRAWIDE BAND RRDA WITH A BEVEL-SHAPED PATCH AND A METHOD

OF DEVELOPMENT THEREOF

1. An ultrawideband RRDA with a bevel-shaped patch and the method of development thereof offers a UWB ranging from 2.5 - 16 GHz (measured value) i.e. fractional bandwidth of 142%; wherein the peak gain of 6.2 dBi at 6.3 GHz and radiation efficiency of 90% utmost value at 4.6 GHz is provided by the RRDA.

2. The method of development of ultrawideband RRDA with a bevel-shaped patch comprising steps of a)the isolated RRDRA is designed using alumina ceramic in combination with a rectangular air cavity and vertical asymmetric conducting strips introduced on sidewalls of the RRDRA to stabilize the gain above0dBi across the entire bandwidth.

3. A slot is introduced in the partial ground plane to optimize the impedance bandwidth.

claimed for process/Method only

2.

Patent Application No. 202211021327 A (15.04.2022 -Published - Title of Invention :A COMPACT ULTRA-WIDE-BAND M.SRDRA 1. A compact ultra-wide-Band MSRDRA (l) comprising two segments of the rectangular ring (2)and rectangular notch-shaped dielectric resonators (3) including an alumina DR insert fed (4)with 50 0 coaxial probe (5). MSRDRA (l) can be employed in high-speed LTE/ wireless applications, vehicular radar application systems, unmanned guided vehicles, UWB short-pulsed

radars, robotics, and satellite applications.

2. The invention is disclosing an MSRDRA (Multi-Segment Rectangular Dielectric Resonator

Antenna), which is an excellent contender in a congregate of ultra wideband antennas.

3. The antenna attains both X- and Ku bands completely (8 -21 GHz).

4. claimed for process/method only

3.

3. Patent Application no.202211031081 A (Date: 10.06.2022) Title of Invention : Wideband RDRA Covering Dielectric Resonator ,Matching dielectric slab,CopperGround plane , Chamfered Edges.

1.A wideband RDRA with Chamfered external conducting parallel standing strip comprising dielectric resonator matching slab,substrate -FR4,ground plane ,microstrip line ,Chamfered Edges,Lext Lint wherein wideband RDRA have broad bandwidth ranging from 6.5 to 13.1GHZ having return loss 24.5dB at7GHZ and impedance bandwidth up to75% where in low value of VSWR suggests that the antenna isbroadly lossless.

2. The broad side pattern of the antenna also fulfills the broadside requirements of the FS/FSS bandwhere in RDRA can be used in fixed wireless on 7GHZ and satellite Television TV Relay system(FS/FSS)system operating in the range of.10.67GHZ

claimed for process/method only

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