• header-logo.png Department of Electronics and Electrical Engineering
    Indian Institute of Technology Guwahati
header-logo.png Department of Electronics
and Electrical Engineering
Ratnajit Bhattacharjee

Prof. Ratnajit Bhattacharjee

Professor

Key Research Areas : Microwave Engineering, Microstrip Antennas, Electromagnetics, Wireless Communication

Phone No: +91-361-2582503 | Email: ratnajit@iitg.ac.in| Room No: 0204

Personal Website

Journal Publications

1. Roy A., Nemade H.B., Bhattacharjee R., "Radar waveform diversity using nonlinear chirp with improved sidelobe level performance", AEU - International Journal of Electronics and Communications , vol.136 , (DOI - 10.1016/j.aeue.2021.153768) [2021].

2. Das D., Bora P.K., Bhattacharjee R., "Automatic modulation classification over MIMO amplify and forward (AF)-relay fading channels", Physical Communication , vol.47 , (DOI - 10.1016/j.phycom.2021.101399) [2021].

3. Qumar J., Christopher S., Bhattacharjee R., "Multidynamic Radar: A Concept for Strategic Air Surveillance System", IEEE Sensors Letters , vol.5, issue 12 , (DOI - 10.1109/LSENS.2021.3127801) [2021].

4. Nayek N., Joshi M.K., Sonkar R.K., Tiwari T., Bhattacharjee R., "Design and Analysis of Width-Modulated Two-Section Sine Waveguide for G-Band Traveling-Wave Tube", IEEE Transactions on Electron Devices , vol.68, issue 12 , (DOI - 10.1109/TED.2021.3117894) ,pp.6458-6464, [2021].

5. Bhattacharjee A., Bhattacharjee R., Bose S.K., "An Approach for Mitigation of Beam Blockage in mmWave-Based Indoor Networks", IEEE Internet of Things Journal , vol.8, issue 19 , (DOI - 10.1109/JIOT.2021.3070309) ,pp.14607-14622, [2021].

6. Anoop P., Bhattacharjee R., "Investigation on dual-band equilateral triangular shaped dielectric resonator antennas for WLAN applications", International Journal of RF and Microwave Computer-Aided Engineering , vol.31, issue 7 , (DOI - 10.1002/mmce.22672) [2021].

7. Debbarma K., Bhattacharjee R., "Small Offset Reflector with Matched Feed for 5G Application", IETE Journal of Research , (DOI - 10.1080/03772063.2021.1875893) [2021].

8. Roy A., Nemade H.B., Bhattacharjee R., "Multiuser PSK-Chirp-BOK Communication System under Co-Channel Interference", IEEE Transactions on Circuits and Systems II: Express Briefs , vol.67, issue 3 , (DOI - 10.1109/TCSII.2019.2914056) ,pp.465-469, [2020].

9. Nayek N., Joshi M.K., Sonkar R.K., Tiwari T., Bhattacharjee R., "Design and efficiency enhancement of a Ka-band industrial gyrotron", IEEE Transactions on Plasma Science , vol.48, issue 11 , (DOI - 10.1109/TPS.2020.3026696) ,pp.3807-3814, [2020].

10. Bhattacharjee A., Bhattacharjee R., Bose S.K., "PACTA: A Portfolio Theory Based Approach for QoS Aware Resource Allocation in mmWave Networks", IEEE Communications Letters , vol.24, issue 8 , (DOI - 10.1109/LCOMM.2020.2985853) ,pp.1794-1798, [2020].

11. Joshi M.K., Vyas S.K., Tiwari T., Bhattacharjee R., "Particle-in-Cell Simulation and Analysis of 28-Vane Megawatt-Class Pulsed Power Coaxial Magnetron in X-Band", IEEE Transactions on Plasma Science , vol.48, issue 6 , (DOI - 10.1109/TPS.2020.2987486) ,pp.1886-1893, [2020].

12. Joshi M.K., Vyas S.K., Tiwari T., Bhattacharjee R., "A New Approach for High-Power Coaxial Magnetron Using Stacked Anode Resonators", IEEE Transactions on Electron Devices , vol.67, issue 4 , (DOI - 10.1109/TED.2020.2973029) ,pp.1808-1813, [2020].

13. Joshi M.K., Nayek N., Tiwari T., Pidanic J., Nemec Z., Bhattacharjee R., "Multiphysics and multipactor analyses of TE022-Mode high-power X-Band RF window", IEEE Microwave and Wireless Components Letters , vol.30, issue 3 , (DOI - 10.1109/LMWC.2020.2971652) ,pp.272-275, [2020].

14. Joshi M.K., Nayek N., Tiwari T., Bhattacharjee R., "Design and Analysis of Overmoded RF Window for High-Power Applications in X -Band", IEEE Transactions on Plasma Science , vol.48, issue 1 , (DOI - 10.1109/TPS.2019.2956763) ,pp.127-132, [2020].

15. Roy A., Nemade H.B., Bhattacharjee R., "Symmetry Chirp Modulation Waveform Design for LEO Satellite IoT Communication", IEEE Communications Letters , vol.23, issue 10 , (DOI - 10.1109/LCOMM.2019.2933211) ,pp.1836-1839, [2019].

16. Debbarma K., Bhattacharjee R., "Microstrip patch antenna feed for offset reflector antenna for dual band application", International Journal of RF and Microwave Computer-Aided Engineering , vol.29, issue 12 , (DOI - 10.1002/mmce.21999) [2019].

17. Debbarma K., Bhattacharjee R., "Matched feeds for offset reflector antenna using circular microstrip patch antenna", International Journal of RF and Microwave Computer-Aided Engineering , vol.29, issue 11 , (DOI - 10.1002/mmce.21909) [2019].

18. Anoop P., Bhattacharjee R., "Investigation on a new compact wideband rhombic dielectric resonator antenna", International Journal of RF and Microwave Computer-Aided Engineering , vol.29, issue 9 , (DOI - 10.1002/mmce.21864) [2019].

19. Joshi M.K., Bhattacharjee R., "Design of a rectangular waveguide to cylindrical cavity mode launcher for TE011 mode with maximum quality-factor", International Journal of RF and Microwave Computer-Aided Engineering , vol.29, issue 9 , (DOI - 10.1002/mmce.21825) [2019].

20. Prajapati J., Bharadwaj M., Chatterjee A., Bhattacharjee R., "Radiation field analysis of a photoconductive antenna using an improved carrier dynamics", Semiconductor Science and Technology , vol.34, issue 2 , (DOI - 10.1088/1361-6641/aae4c9) [2019].

21. Bharadwaj M., Prajapati J., Bhattacharjee R., "Analytical Modelling of Terahertz Photomixing Antennas", IETE Journal of Research , (DOI - 10.1080/03772063.2019.1649209) [2019].

22. Bharadwaj M., Prajapati J., Bhattacharjee R., "Novel graphene based antennas for the terahertz region", Semiconductor Science and Technology , vol.34, issue 1 , (DOI - 10.1088/1361-6641/aaf30d) [2019].

23. Das D., Bora P.K., Bhattacharjee R., "Blind Modulation Recognition of the Lower Order PSK Signals under the MIMO Keyhole Channel", IEEE Communications Letters , vol.22, issue 9 , (DOI - 10.1109/LCOMM.2018.2853638) ,pp.1834-1837, [2018].

24. Khanikar K., Sinha R., Bhattacharjee R., "Cooperative spectrum sensing using quantized energy statistics in the absence of dedicated reporting channel", IEEE Transactions on Vehicular Technology , vol.67, issue 5 , (DOI - 10.1109/TVT.2018.2791020) ,pp.4149-4160, [2018].

25. Joshi M.K., Vyas S.K., Tiwari T., Bhattacharjee R., "Optimal Design of a Coaxial Cavity Based on Quality-Factor Maximization for High-Power Coaxial Magnetron in X-Band", IEEE Transactions on Plasma Science , vol.46, issue 3 , (DOI - 10.1109/TPS.2018.2800168) ,pp.503-510, [2018].

26. Jana R., Bhattacharjee R., "Wideband matched feed design employing conjugate field radiated from a square choke excited by two slots on a diagonal waveguide", Progress In Electromagnetics Research M , vol.63 , (DOI - 10.2528/PIERM17090402) ,pp.23-31, [2018].

27. Joshi D., Dash S., Jatana H.S., Bhattacharjee R., Trivedi G., "Analog circuit optimization using adjoint network based sensitivity analysis", AEU - International Journal of Electronics and Communications , vol.82 , (DOI - 10.1016/j.aeue.2017.08.053) ,pp.221-225, [2017].

28. Roy A., Nemade H.B., Bhattacharjee R., Kushwah V., "DQPSK modulation and demodulation using SAW device", IET Communications , vol.11, issue 17 , (DOI - 10.1049/iet-com.2017.0821) ,pp.2630-2636, [2017].

29. Yadav A.N., Bhattacharjee R., "Dual-band balanced-to-unbalanced out-of-phase equal power divider", Microwave and Optical Technology Letters , vol.59, issue 8 , (DOI - 10.1002/mop.30680) ,pp.2078-2083, [2017].

30. Khanikar K., Sinha R., Bhattacharjee R., "Incorporating primary user interference for enhanced spectrum sensing", IEEE Signal Processing Letters , vol.24, issue 7 , (DOI - 10.1109/LSP.2017.2707130) ,pp.1039-1043, [2017].

31. Mishra R.C., Bhattacharjee R., "Performance analysis of adaptive DFE using set-membership binormalized data-reusing LMS algorithm for frequency selective MIMO channels", AEU - International Journal of Electronics and Communications , vol.77 , (DOI - 10.1016/j.aeue.2017.04.018) ,pp.91-99, [2017].

32. Prajapati J., Bharadwaj M., Chatterjee A., Bhattacharjee R., "Circuit modeling and performance analysis of photoconductive antenna", Optics Communications , vol.394 , (DOI - 10.1016/j.optcom.2017.03.004) ,pp.69-79, [2017].

33. Yadav A.N., Bhattacharjee R., "Unbalanced-to-balanced power divider with arbitrary power division", Progress In Electromagnetics Research C , vol.76 , (DOI - 10.2528/PIERC17061503) ,pp.43-54, [2017].

34. Yadav A.N., Bhattacharjee R., "Balanced to Unbalanced Power Divider with Arbitrary Power Ratio", IEEE Microwave and Wireless Components Letters , vol.26, issue 11 , (DOI - 10.1109/LMWC.2016.2615006) ,pp.885-887, [2016].

35. Prajapati J., Boini V.K., Bharadwaj M., Bhattacharjee R., "Comments on 'Theoretical Modeling of a Photoconductive Antenna in a Terahertz Pulsed System'", IEEE Transactions on Antennas and Propagation , vol.64, issue 6 , (DOI - 10.1109/TAP.2016.2546938) ,pp.2583-2584, [2016].

36. Yadav A.N., Bhattacharjee R., "Coupled line based unequal dual band power divider", Microwave and Optical Technology Letters , vol.58, issue 4 , (DOI - 10.1002/mop.29704) ,pp.953-956, [2016].

37. Shailendra S., Bhattacharjee R., Bose S.K., "A multipath variant of SCTP with optimized flow division extension", Computer Communications , vol.67 , (DOI - 10.1016/j.comcom.2015.06.005) ,pp.56-65, [2015].

38. Darshi S., Bhattacharjee R., "BER Analysis of Asynchronised Wireless Network in Presence of Non-Identically Distributed Interferers", Wireless Personal Communications , vol.82, issue 4 , (DOI - 10.1007/s11277-015-2366-6) ,pp.2583-2600, [2015].

39. Jana R., Bhattacharjee R., "A Novel Matched Feed Structure for Achieving Wide Cross-polar Bandwidth for an Offset Parabolic Reflector Antenna System", IEEE Antennas and Wireless Propagation Letters , vol.14 , (DOI - 10.1109/LAWP.2015.2413837) ,pp.1590-1593, [2015].

40. Jana R., Bhattacharjee R., "Matched feed design employing TE01and TM11modes in a smooth walled rectangular waveguide for cross-polar reduction in offset reflector antenna systems", AEU - International Journal of Electronics and Communications , vol.69, issue 6 , (DOI - 10.1016/j.aeue.2015.01.006) ,pp.873-877, [2015].

41. Shailendra S., Bhattacharjee R., Bose S.K., "An implementation of Min-Max optimization for multipath SCTP through bandwidth estimation based resource pooling technique", AEU - International Journal of Electronics and Communications , vol.67, issue 3 , (DOI - 10.1016/j.aeue.2012.08.008) ,pp.246-249, [2013].

42. Darshi S., Bhattacharjee R., "Outage analysis of asynchronized wireless networks in interference-limited environment", IEEE Transactions on Vehicular Technology , vol.62, issue 8 , (DOI - 10.1109/TVT.2013.2262298) ,pp.3863-3874, [2013].

43. Katiyar H., Bhattacharjee R., "On the performance of decode-and-forward relaying with multi-antenna destination", AEU - International Journal of Electronics and Communications , vol.66, issue 1 , (DOI - 10.1016/j.aeue.2011.04.007) ,pp.1-6, [2012].

44. Shailendra S., Bhattacharjee R., Bose S.K., "MPSCTP: A simple and efficient multipath algorithm for SCTP", IEEE Communications Letters , vol.15, issue 10 , (DOI - 10.1109/LCOMM.2011.080811.110866) ,pp.1139-1141, [2011].

45. Katiyar H., Bhattacharjee R., "Average capacity and signal-to-noise ratio analysis of multi-antenna regenerative cooperative relay in Rayleigh fading channel", IET Communications , vol.5, issue 14 , (DOI - 10.1049/iet-com.2010.0969) ,pp.1971-1977, [2011].

46. Katiyar H., Bhattacharjee R., "Performance of two-hop infrastructure based multi-antenna regenerative relaying in rayleigh fading channel", Physical Communication , vol.4, issue 3 , (DOI - 10.1016/j.phycom.2011.06.002) ,pp.190-195, [2011].

47. Katiyar H., Bhattacharjee R., "Outage performance of multi-antenna relay cooperation in the absence of direct link", IEEE Communications Letters , vol.15, issue 4 , (DOI - 10.1109/LCOMM.2011.020411.101863) ,pp.398-400, [2011].

48. Paul B.S., Bhattacharjee R., "Time and angle of arrival statistics of mobile-to-mobile communication channel employing dual annular strip model", IETE Journal of Research , vol.56, issue 6 , (DOI - 10.4103/0377-2063.76205) ,pp.327-332, [2010].

49. Katiyar H., Bhattacharjee R., "Performance of MRC combining multi-antenna cooperative relay network", AEU - International Journal of Electronics and Communications , vol.64, issue 10 , (DOI - 10.1016/j.aeue.2009.07.007) ,pp.988-991, [2010].

50. Paul B.S., Bhattacharjee R., "Time and angle of arrival statistics of mobile-to-mobile communication channel employing dual annular strip model", IETE Journal of Research , vol.56, issue 6 , (DOI - 10.1080/03772063.2010.10876321) ,pp.327-332, [2010].

51. Paul B., Hasan A., Madheshiya H., Bhattacharjee R., "Time and angle of arrival statistics of mobile-to-mobile communication channel employing circular scattering model", IETE Journal of Research , vol.55, issue 6 , (DOI - 10.4103/0377-2063.59166) ,pp.275-281, [2009].

52. Katiyar H., Bhattacharjee R., "Performance of two-hop regenerative relay network under correlated nakagami-m fading at multi-antenna relay", IEEE Communications Letters , vol.13, issue 11 , (DOI - 10.1109/LCOMM.2009.091298) ,pp.820-822, [2009].

53. Katiyar H., Bhattacharjee R., "Power allocation strategies for non-regenerative relay network in nakagami-m fading channel", IETE Journal of Research , vol.55, issue 5 , (DOI - 10.4103/0377-2063.57596) ,pp.205-211, [2009].

54. Katiyar H., Bhattacharjee R., "Outage performance of two-hop multi-antenna co-operative relaying in Rayleigh fading channel", Electronics Letters , vol.45, issue 17 , (DOI - 10.1049/el.2009.0379) ,pp.881-883, [2009].

55. Paul B.S., Bhattacharjee R., "MIMO channel modeling: A review", IETE Technical Review (Institution of Electronics and Telecommunication Engineers, India) , vol.25, issue 6 , (DOI - 10.4103/0256-4602.45423) ,pp.315-319, [2008].

56. Katiyar H., Paul B.S., Bhattacharjee R., "User cooperation in TDMA wireless system", IETE Technical Review (Institution of Electronics and Telecommunication Engineers, India) , vol.25, issue 5 , (DOI - 10.4103/0256-4602.44657) ,pp.270-276, [2008].

57. Thakur S.S., Nandi S., Bhattacharjee R., Goswami D., "An asynchronous wakeup power-saving protocol for multi-hop ad hoc networks", International Journal of High Performance Computing Applications , vol.21, issue 4 , (DOI - 10.1177/1094342007083778) ,pp.429-442, [2007].

58. Mukherjee P., Gupta B., Bhattacharjee R., "Dual band coplanar microstrip antenna with polarization diversity", Journal of Electromagnetic Waves and Applications , vol.17, issue 9 , (DOI - 10.1163/156939303322520098) ,pp.1323-1330, [2003].

59. Sarkar P.P., Bhattacharjee R., Das S., Sarkar S., Chowdhury S.K., "A new microstrip frequency-selective surface", Microwave and Optical Technology Letters , vol.29, issue 3 , (DOI - 10.1002/mop.1118) ,pp.167-168, [2001].

60. Bhattacharjee R., Gupta B., Poddar D.R., Chowdhury S.K., "Dual slot-loaded compact microstrip patch antenna", Microwave and Optical Technology Letters , vol.28, issue 4 , (DOI - 10.1002/1098-2760(20010220)28:4<277::AID-MOP1017>3.0.CO;2-Y) ,pp.277-278, [2001].

61. Raychowdhury A., Gupta B., Bhattacharjee R., "Bandwidth improvement of microstrip antennas through a genetic-algorithm-based design of a feed network", Microwave and Optical Technology Letters , vol.27, issue 4 , (DOI - 10.1002/1098-2760(20001120)27:4<273::AID-MOP17>3.0.CO;2-8) ,pp.273-275, [2000].

Conference Publications

1. Bhattacharjee A., Bhattacharjee R., Bose S.K., "DC-DLLR: A MAC Layer Approach for Reliable and Blockage Tolerant mmWave Indoor Networks", 2021 International Conference on COMmunication Systems and NETworkS, COMSNETS 2021 , (DOI - 10.1109/COMSNETS51098.2021.9352928) ,pp.509-515, [2021].

2. Tsegay M.B., Dhaka K., Bhattacharjee R., "Interference Cancellation in Multiple D2D Underlaying LTE Cellular Networks", 4th International Conference on Computer, Communication and Signal Processing, ICCCSP 2020 , (DOI - 10.1109/ICCCSP49186.2020.9315268) [2020].

3. Debbarma K., Bhattacharjee R., "Pattern Shifting and Size Control in Offset Reflector Antennas with Microstrip Array as Matched Feed", 14th European Conference on Antennas and Propagation, EuCAP 2020 , (DOI - 10.23919/EuCAP48036.2020.9135376) [2020].

4. Anoop P., Bhattacharjee R., "Impedance Bandwidth Performance of TM10 Mode in Equilateral Triangular DRA", 14th European Conference on Antennas and Propagation, EuCAP 2020 , (DOI - 10.23919/EuCAP48036.2020.9135190) [2020].

5. Roy A., Nemade H.B., Bhattacharjee R., "A Chirp Communication System Using SAW-Chirp Devices for Multibit Symbol Transmission", IEEE Region 10 Annual International Conference, Proceedings/TENCON , vol.2019-October , (DOI - 10.1109/TENCON.2019.8929438) ,pp.1466-1471, [2019].

6. Roy A., Deb D., Nemade H.B., Bhattacharjee R., "Design of discrete frequency-coding waveforms using phase-coded linear chirp for multiuser and MIMO radar systems", 25th National Conference on Communications, NCC 2019 , (DOI - 10.1109/NCC.2019.8732263) [2019].

7. Nayek N., Sonkar R., Joshi M.K., Tiwari T., Bhattacharjee R., "H-plane loaded sine waveguide TWT in G-band", Asia-Pacific Microwave Conference Proceedings, APMC , vol.2019-December , (DOI - 10.1109/APMC46564.2019.9038322) ,pp.1250-1252, [2019].

8. Prasad B., Bhattacharjee R., Bose S.K., "Cooperative Communication under Nonlinear Energy Harvesting Model and Interference Signal", IEEE Region 10 Annual International Conference, Proceedings/TENCON , vol.2019-October , (DOI - 10.1109/TENCON.2019.8929541) ,pp.1975-1980, [2019].

9. Nayek N., Sonkar R.K., Bhattacharjee R., "Elimination of Mode Competition in mathbf{TE}-{0n} Mode Gyrotron", Progress in Electromagnetics Research Symposium , vol.2019-June , (DOI - 10.1109/PIERS-Spring46901.2019.9017855) ,pp.3073-3076, [2019].

10. Joshi M.K., Tiwari T., Bhattacharjee R., "Design and Multipactor Analysis of a High Power RF Window", 2019 International Vacuum Electronics Conference, IVEC 2019 , (DOI - 10.1109/IVEC.2019.8745233) [2019].

11. Joshi M.K., Vyas S.K., Tiwari T., Pidanic J., Nemec Z., Bhattacharjee R., "Identification and Suppression of Slot Modes in a Coaxial Magnetron", 2019 Conference on Microwave Techniques, COMITE 2019 - Microwave and Radio Electronics Week, MAREW 2019 , (DOI - 10.1109/COMITE.2019.8733425) [2019].

12. Dutta S.J., Bhattacharjee R., "Integration of Virtual Laboratories: A Step Toward Enhancing E-learning Technology", 2019 IEEE 5th International Conference for Convergence in Technology, I2CT 2019 , (DOI - 10.1109/I2CT45611.2019.9033848) [2019].

13. Qumar J., Christopher S., Bhattacharjee R., "STAP Based Detector for Multi-Dynamic Radar in Homogeneous Clutter Scenario", 2018 5th IEEE Uttar Pradesh Section International Conference on Electrical, Electronics and Computer Engineering, UPCON 2018 , (DOI - 10.1109/UPCON.2018.8597036) [2018].

14. Debbarma K., Bhattacharjee R., "Microstrip Antenna Feeds for Offset Reflector Antenna for Cross-polarization Reduction at both Diagonal and Asymmetric Planes", 2018 IEEE Indian Conference on Antennas and Propagation, InCAP 2018 , (DOI - 10.1109/INCAP.2018.8770939) [2018].

15. Qumar J., Christopher S., Bhattacharjee R., "Design of Ambiguity Function for Multi-Dynamic Radar extension of Multi-Static Radar", 2017 14th IEEE India Council International Conference, INDICON 2017 , (DOI - 10.1109/INDICON.2017.8487717) [2018].

16. Yadav A.N., Bhattacharjee R., "Balanced-to-unbalanced in-phase power divider", IEEE MTT-S International Microwave and RF Conference, IMaRC 2017 , (DOI - 10.1109/IMaRC.2017.8449687) ,pp.192-195, [2018].

17. Bhattacharjee R., Debbarma K., "Analysis of offset reflector performance fed by 2??2 microstrip antenna array using GO technique", 2018 3rd International Conference on Microwave and Photonics, ICMAP 2018 , vol.2018-January , (DOI - 10.1109/ICMAP.2018.8354629) ,pp.1-2, [2018].

18. Bharadwaj M., Prajapati J., Bhattacharjee R., "Analytical modelling of carrier concentration and conductance in Terahertz Photomixing Antennas", Applied Electromagnetics Conference, AEMC 2017 , vol.2018-January , (DOI - 10.1109/AEMC.2017.8325765) ,pp.1-2, [2018].

19. Qumar J., Christopher S., Bhattacharjee R., "Target detection with transmitters identity waveform for multi-dynamic radar scenario", 2017 IEEE Calcutta Conference, CALCON 2017 - Proceedings , vol.2018-January , (DOI - 10.1109/CALCON.2017.8280730) ,pp.231-235, [2018].

20. Prajapati J., Bharadwaj M., Chatterjee A., Bhattacharjee R., "Magnetic Field-Assisted Radiation Enhancement from a Large Aperture Photoconductive Antenna", IEEE Transactions on Microwave Theory and Techniques , vol.66, issue 2 , (DOI - 10.1109/TMTT.2017.2783380) ,pp.678-687, [2018].

21. Roy A., Nemade H.B., Bhattacharjee R., "Performance of multiuser communication system using phase coded linear chirp modulation", 2017 23rd National Conference on Communications, NCC 2017 , (DOI - 10.1109/NCC.2017.8077099) [2017].

22. Roy A., Nemade H.B., Bhattacharjee R., "Phase coded nonlinear chirp modulation in multiuser communication systems", Proceedings of 2017 International Conference on Innovations in Electronics, Signal Processing and Communication, IESC 2017 , (DOI - 10.1109/IESPC.2017.8071871) ,pp.89-94, [2017].

23. Prasad Gedela R.B., Nemade H.B., Bhattacharjee R., "BER analysis of communication systems employing orthogonal frequency coding in surface acoustic wave (SAW) correlators", Proceedings on 2016 2nd International Conference on Next Generation Computing Technologies, NGCT 2016 , (DOI - 10.1109/NGCT.2016.7877443) ,pp.368-372, [2017].

24. Yadav A.N., Bhattacharjee R., "Gysel type unbalanced-to-balanced equal Power Divider", European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017 , vol.2017-January , (DOI - 10.23919/EuMC.2017.8230784) ,pp.1-4, [2017].

25. Bhattacharjee A., Bhattacharjee R., Bose S.K., "A dynamic approach for channel time allocation in IEEE 802.15.3 based parent-child piconet model", IEEE Region 10 Annual International Conference, Proceedings/TENCON , vol.2017-December , (DOI - 10.1109/TENCON.2017.8227977) ,pp.851-856, [2017].

26. Yadav A.N., Bhattacharjee R., "Balanced-to-unbalanced out-of-phase wilkinson equal power divider", 2017 23rd National Conference on Communications, NCC 2017 , (DOI - 10.1109/NCC.2017.8077128) [2017].

27. Prajapati J., Bharadwaj M., Chatterjee A., Bhattacharjee R., "Equivalent electrical circuit model of Terahertz photoconductive antenna receiver in a pulsed system", Proceedings of 2017 International Conference on Innovations in Electronics, Signal Processing and Communication, IESC 2017 , (DOI - 10.1109/IESPC.2017.8071889) ,pp.186-189, [2017].

28. Mishra R.C., Bhattacharjee R., "Decision feedback equalizer with set-membership affine projection algorithm for frequency selective MIMO channels", 2017 4th International Conference on Signal Processing and Integrated Networks, SPIN 2017 , (DOI - 10.1109/SPIN.2017.8050002) ,pp.503-508, [2017].

29. Prajapati J., Bharadwaj M., Chatterjee A., Bhattacharjee R., "Effect of near fields on radiation from photoconductive antenna", 2017 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications, NEMO 2017 , (DOI - 10.1109/NEMO.2017.7964213) ,pp.140-142, [2017].

30. Bhattacharjee A., Bhattacharjee R., Bose S.K., "Mitigation of beam blocking in mmWave indoor WPAN using dynamic control delegation based approach", 2016 IEEE International Conference on Advanced Networks and Telecommunications Systems, ANTS 2016 , (DOI - 10.1109/ANTS.2016.7947846) [2017].

31. Joshi M.K., Vyas S.K., Tiwari T., Bhattacharjee R., "Design of coaxial cavity for high power magnetron", 2017 Conference on Microwave Techniques, COMITE 2017 , (DOI - 10.1109/COMITE.2017.7932354) [2017].

32. Yadav A.N., Bhattacharjee R., "Balanced to unbalanced out of phase equal power divider for wide-band application", Asia-Pacific Microwave Conference Proceedings, APMC , vol.0 , (DOI - 10.1109/APMC.2016.7931417) [2017].

33. Bharadwaj M., Prajapati J., Bhattacharjee R., "Design of novel beam-switching semicircular microstrip antenna and transmission line with Graphene at Terahertz frequencies", Asia-Pacific Microwave Conference Proceedings, APMC , vol.0 , (DOI - 10.1109/APMC.2016.7931470) [2017].

34. Deb D., Bhattacharjee R., Vengadarajan A., "Design of orthogonal waveforms for MIMO radar with phase randomised frequency hopping (FH) sequence", 2016 IEEE Uttar Pradesh Section International Conference on Electrical, Computer and Electronics Engineering, UPCON 2016 , (DOI - 10.1109/UPCON.2016.7894658) ,pp.235-238, [2017].

35. Prajapati J., Bharadwaj M., Chatterjee A., Bhattacharjee R., "A parametric study of photo carrier generation in Photoconductive Antenna", 2015 6th International Conference on Computers and Devices for Communication, CODEC 2015 , (DOI - 10.1109/CODEC.2015.7893185) [2017].

36. Bharadwaj M., Reddy J.M., Bhattacharjee R., "Switched beam antenna system design at millimeter wave band employing graphene", 2016 IEEE Annual India Conference, INDICON 2016 , (DOI - 10.1109/INDICON.2016.7839092) [2017].

37. Joshi D., Dash S., Agarwal U., Bhattacharjee R., Trivedi G., "Analog circuit optimization based on hybrid particle swarm optimization", Proceedings - 2015 International Conference on Computational Science and Computational Intelligence, CSCI 2015 , (DOI - 10.1109/CSCI.2015.112) ,pp.164-169, [2016].

38. Roy A., Nemade H.B., Bhattacharjee R., "BER performance of communication systems using SAW correlators encoded with Walsh and Gold codes", 2016 22nd National Conference on Communication, NCC 2016 , (DOI - 10.1109/NCC.2016.7561101) [2016].

39. Das D., Anand A., Bora P.K., Bhattacharjee R., "Cumulant based automatic modulation classification of QPSK, OQPSK, ??/4-QPSK and 8-PSK in MIMO environment", 2016 International Conference on Signal Processing and Communications, SPCOM 2016 , (DOI - 10.1109/SPCOM.2016.7746704) [2016].

40. Das D., Bora P.K., Bhattacharjee R., "Cumulant based automatic modulation classification of QPSK, OQPSK, 8-PSK and 16-PSK", 2016 8th International Conference on Communication Systems and Networks, COMSNETS 2016 , (DOI - 10.1109/COMSNETS.2016.7439996) [2016].

41. Qumar J., Christopher S., Bhattacharjee R., "Novel techniques for target detection with waveform identity in multi-static radar using bi-static configuration", 2016 International Conference on Signal Processing and Communications, SPCOM 2016 , (DOI - 10.1109/SPCOM.2016.7746703) [2016].

42. Anoop P., Bhattacharjee R., "Investigation on dielectric loaded monopole antennas for dual band application", 2016 22nd National Conference on Communication, NCC 2016 , (DOI - 10.1109/NCC.2016.7561178) [2016].

43. Anoop P., Bhattacharjee R., "Design of dual band triangular DRA for WLAN application", 2015 IEEE Applied Electromagnetics Conference, AEMC 2015 , (DOI - 10.1109/AEMC.2015.7509114) [2016].

44. Jana R., Bhattacharjee R., "A hybrid numerical technique to investigate the performances of offset reflector and matched feed", 2015 IEEE Applied Electromagnetics Conference, AEMC 2015 , (DOI - 10.1109/AEMC.2015.7509180) [2016].

45. Prajapati J., Bharadwaj M., Chatterjee A., Bhattacharjee R., "Time dependent capacitance in Photoconductive Antenna", 2015 IEEE Applied Electromagnetics Conference, AEMC 2015 , (DOI - 10.1109/AEMC.2015.7509189) [2016].

46. Das H.J., Bhattacharjee R., "A printed meander loop antenna for USB dongle applications", 2015 IEEE Applied Electromagnetics Conference, AEMC 2015 , (DOI - 10.1109/AEMC.2015.7509203) [2016].

47. Mishra R.C., Bhattacharjee R., "Adaptive decision feedback equalizer with set-membership affine projection algorithm", 11th International Conference on Industrial and Information Systems, ICIIS 2016 - Conference Proceedings , vol.2018-January , (DOI - 10.1109/ICIINFS.2016.8262980) ,pp.437-442, [2016].

48. Joshi D., Dash S., Bhattacharjee R., Trivedi G., "A method of analog circuit optimization using adjoint sensitivity analysis", Proceedings of 25th International Conference Radioelektronika, RADIOELEKTRONIKA 2015 , (DOI - 10.1109/RADIOELEK.2015.7129048) ,pp.75-80, [2015].

49. Jana R., Bhattacharjee R., "A tri-mode low cross-polarized circular matched feed for offset reflector antenna system", 2015 21st National Conference on Communications, NCC 2015 , (DOI - 10.1109/NCC.2015.7084838) [2015].

50. Khanikar K., Sinha R., Bhattacharjee R., "Sparse coding based spectrum sensing in presence of multiple frequency hopping primary users", 2015 21st National Conference on Communications, NCC 2015 , (DOI - 10.1109/NCC.2015.7084863) [2015].

51. Darshi S., Bhattacharjee R., "Subband allocation for femtocells in presence of asynchronous interference in fractional frequency reuse based OFDMA networks", IEEE Region 10 Annual International Conference, Proceedings/TENCON , vol.2015-January , (DOI - 10.1109/TENCON.2014.7022302) [2015].

52. Deb D., Bhattacharjee R., Vengadarajan A., "High range resolution with stepped FM in subapertured MIMO", 2015 IEEE Radar Conference - Proceedings , (DOI - 10.1109/RadarConf.2015.7411851) ,pp.42-45, [2015].

53. Deb D., Bhattacharjee R., Vengadarajan A., "Resource manager for MIMO radar", 2015 IEEE Radar Conference - Proceedings , (DOI - 10.1109/RadarConf.2015.7411857) ,pp.71-75, [2015].

54. Roy A., Nemade H.B., Bhattacharjee R., "Analysis of SAW correlator based communication systems employing binary encoded orthogonal frequency coding", 2014 20th National Conference on Communications, NCC 2014 , (DOI - 10.1109/NCC.2014.6811302) [2014].

55. Khanikar K., Sinha R., Bhattacharjee R., "Sparse representation based tracking of frequency hopping primary user for cognitive radio", 2014 International Conference on Signal Processing and Communications, SPCOM 2014 , (DOI - 10.1109/SPCOM.2014.6984012) [2014].

56. Darshi S., Bhattacharjee R., "Interference analysis of subband allocation for femtocells in fractional frequency reuse based OFDMA Networks", 2014 International Conference on Signal Processing and Communications, SPCOM 2014 , (DOI - 10.1109/SPCOM.2014.6983997) [2014].

57. Anoop P., Bhattacharjee R., "Investigation on crosspolar performance of a coaxial fed dual mode matched rectangular feed horn", 2013 IEEE Applied Electromagnetics Conference, AEMC 2013 , (DOI - 10.1109/AEMC.2013.7045019) [2014].

58. Jana R., Bhattacharjee R., "Analysis of scattering parameters of a stepped cylindrical horn containing inner posts using MM and 2-D FEM", 2014 20th National Conference on Communications, NCC 2014 , (DOI - 10.1109/NCC.2014.6811316) [2014].

59. Anoop P., Bhattacharjee R., "Investigation on crosspolar performance of a coaxial fed dual mode matched rectangular feed horn with step discontinuity", 2014 20th National Conference on Communications, NCC 2014 , (DOI - 10.1109/NCC.2014.6811339) [2014].

60. Jana R., Bhattacharjee R., "Analysis of horn antennas including the horn transition into half space employing a full wave hybrid technique", IET Conference Publications , vol.2013, issue 617 CP , (DOI - 10.1049/cp.2013.0441) [2013].

61. Hazra S., Bhattacharjee R., "A new technique for derivation of LCR and AFD in wideband wireless channel", 2013 National Conference on Communications, NCC 2013 , (DOI - 10.1109/NCC.2013.6487914) [2013].

62. Mishra R.C., Bhattacharjee R., Mitra A., "An affine projection algorithm based DFE with set-membership filtering", CODEC 2012 - 5th International Conference on Computers and Devices for Communication , (DOI - 10.1109/CODEC.2012.6509235) [2012].

63. Patil P., Khan M.W., Bhattacharjee R., Bose S., "Network coding design for multi-source multi-relay cooperative wireless networks", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2012.6412339) [2012].

64. Mishra R.C., Bhattacharjee R., Mitra A., "MIMO channel equalization using set-membership affine projection algorithm", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2012.6412295) [2012].

65. Shailendra S., Bhattacharjee R., Bose S.K., "MPSCTP: A multipath variant of SCTP and its performance comparison with other multipath protocols", 2012 IEEE International Conference on Communication Systems, ICCS 2012 , (DOI - 10.1109/ICCS.2012.6406154) ,pp.280-284, [2012].

66. Deb D., Bhattacharjee R., Vengadarajan A., "MIMO radar: Analysis of SNR, beamwidth and sidelobe level", 2012 IEEE Asia-Pacific Conference on Antennas and Propagation, APCAP 2012 - Proceedings , (DOI - 10.1109/APCAP.2012.6333126) ,pp.17-18, [2012].

67. Reddy T R.C., Bhattacharjee R., "Investigation on L-slot loaded dual-band compact patch antenna", 2012 IEEE Asia-Pacific Conference on Antennas and Propagation, APCAP 2012 - Proceedings , (DOI - 10.1109/APCAP.2012.6333245) ,pp.237-238, [2012].

68. Harish M., Srikanth B., Bhattacharjee R., "An energy efficient WSN with cooperative relaying technique", 2012 National Conference on Communications, NCC 2012 , (DOI - 10.1109/NCC.2012.6176757) [2012].

69. Agarwal N., Bhattacharjee R., Jana R., "Modeling of reflection and transmission of signal through building wall for a point source UWB transmitter", Proceedings - IEEE International Conference on Ultra-Wideband , (DOI - 10.1109/ICUWB.2011.6058902) ,pp.531-535, [2011].

70. Jana R., Bhattacharjee R., "Analysis of waveguide junctions using mode matching technique", 2011 IEEE Applied Electromagnetics Conference, AEMC 2011 , (DOI - 10.1109/AEMC.2011.6256787) [2011].

71. Srikanth B., Harish M., Bhattacharjee R., "An energy efficient hybrid MAC protocol for WSN containing mobile nodes", ICICS 2011 - 8th International Conference on Information, Communications and Signal Processing , (DOI - 10.1109/ICICS.2011.6173629) [2011].

72. Shailendra S., Bhattacharjee R., Bose S.K., "Improving congestion control for Concurrent Multipath Transfer through bandwidth estimation based resource pooling", ICICS 2011 - 8th International Conference on Information, Communications and Signal Processing , (DOI - 10.1109/ICICS.2011.6174285) [2011].

73. Kumar A., Bhattacharjee R., Goel S., "A clustering based channel model for indoor wireless communication", 2011 National Conference on Communications, NCC 2011 , (DOI - 10.1109/NCC.2011.5734738) [2011].

74. Gangula R., Bhattacharjee R., "Performance of selection cooperation in the presence of a malicious relay", Proceedings of the 2010 7th International Symposium on Wireless Communication Systems, ISWCS'10 , (DOI - 10.1109/ISWCS.2010.5624502) ,pp.408-412, [2010].

75. Katiyar H., Bhattacharjee R., Darshi S., "Outage performance of switch and stay combining scheme for multi-antenna relay network", Proceedings - 2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010 , (DOI - 10.1109/UKIWCWS.2010.5724229) [2010].

76. Katiyar H., Jana R., Bhattacharjee R., "Performance analysis of two-hop regenerative relay network with generalized selection combining at multi-antenna relay", Proceedings of the 2010 Annual IEEE India Conference: Green Energy, Computing and Communication, INDICON 2010 , (DOI - 10.1109/INDCON.2010.5712644) [2010].

77. Shailendra S., Bhattacharjee R., Bose S.K., "Optimized flow division modeling for Multi-path Transport", Proceedings of the 2010 Annual IEEE India Conference: Green Energy, Computing and Communication, INDICON 2010 , (DOI - 10.1109/INDCON.2010.5712713) [2010].

78. Shailendra S., Bhattacharjee R., Bose S.K., "Optimized flow based modeling of multi-path multi-homed transmission", 12th IEEE International Conference on Communication Systems 2010, ICCS 2010 , (DOI - 10.1109/ICCS.2010.5686517) ,pp.411-415, [2010].

79. Agarwal N., Mittal A., Bhattacharjee R., "Angle and time of arrival statistics for indoor UWB communication", Proceedings of 16th National Conference on Communications, NCC 2010 , (DOI - 10.1109/NCC.2010.5430214) [2010].

80. Katiyar H., Bhattacharjee R., "Outage performance of dual-hop opportunistic relaying compared to a single-hop SIMO under rayleigh fading", Proceedings of 16th National Conference on Communications, NCC 2010 , (DOI - 10.1109/NCC.2010.5430225) [2010].

81. Katiyar H., Bhattacharjee R., "BER performance of regenerative multi-antenna cooperative relay network in Rayleigh fading channel", Proceedings - 2009 1st UK-India International Workshop on Cognitive Wireless Systems, UKIWCWS 2009 , (DOI - 10.1109/UKIWCWS.2009.5749391) [2009].

82. Gangula R., Bhattacharjee R., "On the performance of cooperative DS CDMA system using distributed space time spreading", Proceedings - 2009 1st UK-India International Workshop on Cognitive Wireless Systems, UKIWCWS 2009 , (DOI - 10.1109/UKIWCWS.2009.5749413) [2009].

83. Katiyar H., Bhattacharjee R., "Performance of regenerative relay network operating in uplink of multi-antenna base station under rayleigh fading channel", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2009.5395929) [2009].

84. Agarwal N., Bhattacharjee R., "Internal successive reflection model for indoor UWB communication", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2009.5396046) [2009].

85. Katiyar H., Bhattacharjee R., "Performance of two-hop decode-forward multi-antenna cooperative relaying in Nakagami-n fading channel", Proceedings of INDICON 2009 - An IEEE India Council Conference , (DOI - 10.1109/INDCON.2009.5409478) [2009].

86. Katiyar H., Bhattacharjee R., "Average error rate of multi-antenna decode and forward cooperative relay network", Proceedings of INDICON 2009 - An IEEE India Council Conference , (DOI - 10.1109/INDCON.2009.5409489) [2009].

87. Vasanth Kumar D.J., Bhattacharjee R., "Analysis of the LS estimation error for a MIMO system on a rician fading channel", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2008.4766811) [2008].

88. Katiyar H., Bhattacharjee R., "Adaptive power allocation for repetition based cooperative relay in nakagami-m fading channel", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2008.4766379) [2008].

89. Kandhway K., Anand A., Bhattacharjee R., "A generative model for burst error characterization in a fading channel", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2008.4766506) [2008].

90. Naik M.V., Mahanta A., Bhattacharjee R., Nemade H.B., "An Automatic Blind Modulation Recognition Algorithm for M-PSK Signals Based on MSE Criterion", Communications in Computer and Information Science , vol.3 CCIS , (DOI - 10.1007/978-3-540-75993-5_22) ,pp.257-266, [2007].

91. Paul B.S., Bhattacharjee R., "Selection combining of two amplify-forward relay branches with individual links experiencing Nakagami fading", 2007 Asia-Pacific Conference on Communications, APCC , (DOI - 10.1109/APCC.2007.4433466) ,pp.449-452, [2007].

92. Paul B.S., Bhattacharjee R., "Maximal ratio combining of two amplify-forward relay branches with individual links experiencing Nakagami fading", IEEE Region 10 Annual International Conference, Proceedings/TENCON , (DOI - 10.1109/TENCON.2007.4428810) [2007].

93. Naik M.V., Bhattacharjee R., Mahanta A., Nemade H.B., "Blind adaptive recognition of different QPSK modulated signals for software defined radio applications", First International Conference on Communication System Software and Middleware, Comsware 2006 , vol.2006 [2006].

94. Gulati S., Bhattacharjee R., "Automatic Blind Recognition of noisy and faded digitally modulated MQAM signals", 2006 Annual India Conference, INDICON , (DOI - 10.1109/INDCON.2006.302805) [2006].

95. Paul B.S., Bhattacharjee R., "Effect of array geometry on the capacity of outdoor MIMO communication: A study", 2006 Annual India Conference, INDICON , (DOI - 10.1109/INDCON.2006.302820) [2006].

96. Kumar S., Singh S.K., Bhattacharjee R., "A new handoff scheme for macro-mobility scenario", 2006 IFIP International Conference on Wireless and Optical Communications Networks , (DOI - 10.1109/wocn.2006.1666594) [2006].

97. Singh K., Bhattacharjee R., "Bit error rate performance of genetic algorithm optimized WDM systems", 2006 IFIP International Conference on Wireless and Optical Communications Networks , (DOI - 10.1109/wocn.2006.1666661) [2006].

98. Siva M., Herhold P., Bhattacharjee R., Fettweis G., "Cooperative multi-hop relaying over fading channels using cascaded 2 - Hop technique", Proceedings of the IEEE INDICON 2004 - 1st India Annual Conference ,pp.139-142, [2004].

99. Kumar M.S.P., Bhattacharjee R., Herhold P., Fettweis G., "Cooperative multi-hop relaying over fading channels", 2004 International Conference on Signal Processing and Communications, SPCOM ,pp.250-254, [2004].

100. Rao G.N., Bhattacharjee R., Nandi S., "VLSI architecture for Rayleigh and Rician fading generators", IEEE Region 10 Annual International Conference, Proceedings/TENCON , vol.C ,pp.C121-C124, [2004].

101. Jain G., Bhattacharjee R., Nandi S., Mendes P., "Seamless local internet mobility", 2004 9th IEEE Singapore International Conference on Communication Systems, ICCS ,pp.97-101, [2004].

102. Pattanaik A.K., Borgohain C., Bhattacharjee R., Srinivasan A., "Optical band gap of Pb modified Ge-Se-Te glasses investigated by photoacoustic technique", Ceramics International , vol.30, issue 7 , (DOI - 10.1016/j.ceramint.2003.12.147) ,pp.1711-1714, [2004].

103. Jain G., Bhattacharjee R., Nandi S., Mendes P., "Seamless local internet mobility", 9th International Conference on Communications Systems 2004, ICCS 2004 , (DOI - 10.1109/ICCS.2004.1359346) ,pp.97-101, [2004].

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