Sujata Sengar



Responsive image
  • Profile
  • QualificationsB.Sc.(Engg.), M.Sc.(Engg.), Ph.D.
  • DesignationProfessor
  • DivisionElectronics and Communications Engineering
  • Contact No.011-25000120
  • E-Mailnsit_sujata@yahoo.com

Biosketch

Sujata Sengar received her B.Sc. Engg. (Hons) and M.Sc. Engg. (Hons) degree in Electronics and Communication Engineering from Aligarh Muslim University, Aligarh, India in 1988 and 1990. She holds a Doctoral Degree in Wireless Communication from the Indian Institute of Technology, Delhi (IITD), India. From 1990 to 1991 she worked as Scientist Fellow at C.E.E.R.I., Pilani. From 1992 to 1994 she worked as Lecturer in Department of Electronics and Communication Engineering, T.I.T.& S. Bhiwani. From 1994 to 1997 she worked at Lecturer in Department of Electronics and Communication Engineering, C.R. State College of Engineering, Murthal, Sonipat, Haryana. From 1997 to 1999 she worked as a Lecturer in the department of Electronics Communication and Computer, at NIT (formerly REC) Kurukshetra and in 1999 she joined as faculty at Netaji Subhas Institute of Technology, Delhi.

Presently she is working as Professor and Dean (Academic) at Netaji Subhas University of Technology, New Delhi, India. She is life member of ISTE and member IEEE. Prof. Sengar has been awarded the IETE K. S. Krishnan Memorial Best paper award for her work in 2000. Her area of interest is signal processing, wireless optical communication and Cognitive Communication.

Projects:

Sponsored:

1. AICTE funded project under MODROB scheme (Development of Advanced Signal Processing Lab) grant of Rs 10,00,000/-.

Conference organized:

1. AICTE-ISTE sponsored short-term course entitled “Emerging Trends in Optical and Wireless Communication: grant received Rs 3,00,000/-

Selected Publications:

a.Shreesh Kumar Shrivastava, Sujata Sengar and Shree Prakash Singh, “On the effect of Incorrect Channel Condition Information on Modified Switching scheme of Hybrid FSO/RF System,” IEEE Transactions on Cognitive Communications and Networking DOI: 10.1109/TCCN.2019.2935193.

b.Soyinka Nath, Sujata Sengar, Shreesh Kumar Shrivastava and Shree Prakash Singh, “Impact of Atmospheric Turbulence, Pointing Error and Traffic Pattern on the Performance of Cognitive Hybrid FSO/RF System”, IEEE Transactions on Cognitive Communications and Networking DOI: 10.1109/TCCN.2019.2952116.

c.Shreesh Srivastava, Sujata Sengar and Shree Prakash Singh, “A New Switching scheme for Hybrid FSO/RF Communication in the presence of Strong Atmospheric Turbulence”, Photonic Network Communication (Springer) August 2018 https://doi.org/10.1007/s11107-018-0792-6. 

Areas of Interest
  1. Wireless Communication,
  2. Free Space Optical Communication,
  3. Wavelets.
Honours and Awards

1.   Paper entitled “An overview of Congestion control Techniques in ATM Networks and some performance results,” Shree Prakash Singh, Sujata Sengar and S.L.Maskara in IETE Technical Review, Vol. 17, No, 3, pp 87-103, May-June 2000, Awarded the IETE K.S.Krishnan Memorial Award for the Best paper in the Systems Oriented Category for 2000.

2.    Paper entitled " “Performance Comparison of 40Gbps Mixed Line Rate WDM System for Various Dispersion Compensation Schemes”, by Rochak Bajpai, Sujata Sengar and Shree Prakash Singh at IEEE International Conference on Computational and Characterization Techniques in Engineering & Sciences (CCTES-18), Integral University Lucknow, September 14-15, 2018 was awarded Best Paper Award.

A. Journal Publication

1. S.P.Singh, S. Sengar and S.L.Maskara, “An overview of Congestion control Techniques in ATM Networks and some performance results,” IETE Technical Review, Vol. 17, No, 3, pp 87-103, May-June 2000, (Awarded the IETE K. S. Krishnan Memorial Award for the Best paper in the Systems Oriented Category for 2000).

2. Sujata Sengar, S. D. Joshi and S. Prasad, “Transceiver Design and Performance Analysis of Space Time Coded Fractal Modulation,” Wireless Personal Communication, Volume 60, Issue 2, pp 345–362 September 2011.

3. Bunty, Sujata Sengar, “A filter bank implementation and performance analysis of MC DS CDMA,” International Journal of Recent Trends in Engg & Tech. Vol. 4, No. 3, pp76-80, November 2010.

4. Shree Prakash Singh, Sujata Sengar, Rochak Bajpai and Sridhar Iyer, “Next-Generation Variable-Line-Rate Optical WDM Networks: Issues and Challenges,” Journal of Optical Communication Volume 34, Issue 4, pp. 331-340, December 2013.  

5. Sridhar Iyer, Sujata Sengar, Rochak Bajpai and Shree Prakash Singh, “On the Performance of MLR Optical WDM Network Based on ITU-T Conforming Fibers in the Presence of Dominant Physical Layer Impairments”, Journal of Communications and Information Networks (Springer), Vol.3, No. 2, May 2018, DOI: 10.1007/s41650-018-0019-0.

6. Rochak Bajpai, Sujata Sengar, Sridhar Iyer and Shree Prakash Singh, “Performance Investigation of MLR Optical WDM Network Based on ITU-T Conforming Fibers in the Presence of SRS, XPM and FWM”, International Journal of Information Technology (Springer), July, 2018, DOI 10.1007/s41870-018-0212-2.

7. Shreesh Srivastava, Sujata Sengar and Shree Prakash Singh, “A New Switching scheme for Hybrid FSO/RF Communication in the presence of Strong Atmospheric Turbulence”, Photonic Network Communication (Springer), Volume 37, Issue 1, pp 53–62, August 2018.  Doi.org/10.1007/s11107-018-0792-6.

8. Rochak Bajpai, Sujata Sengar, Sridhar Iyer and Shree Prakash Singh, “Performance Evaluation of OOK, DPSK and Duo-binary Modulation

Format based Mixed-Line-Rate (MLR) Optical Network”, International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, Vol.7, No.3, pp.35-44, 2018.

9. Rochak Bajpai, Sujata Sengar, Sridhar Iyer and Shree Prakash Singh, “Energy-Efficient and Spectral-Efficient Mixed Line Rate Optical WDM Networks: A Comparison", Journal of Communication Networks and Distributed Systems (In Press).

10. Shreesh Kumar Shrivastava, Sujata Sengar and Shree Prakash Singh, “On the effect of Incorrect Channel Condition Information on Modified Switching scheme of Hybrid FSO/RF System,” IEEE Transactions on Cognitive Communications and Networking, pp. 1208 - 1217 Vol.5 No.4, December 2019 DOI: 10.1109/TCCN.2019.2935193.

11. Soyinka Nath, Sujata Sengar, Shreesh Kumar Shrivastava and Shree Prakash Singh, “Impact of Atmospheric Turbulence, Pointing Error and Traffic Pattern on the Performance of Cognitive Hybrid FSO/RF System”, IEEE Transactions on Cognitive Communications and Networking, pp. 1194 - 1207 Vol.5 No.4, December 2019 DOI: 10.1109/TCCN.2019.2952116.

12. Shreesh Kumar Shrivastava, Sujata Sengar, Shree Prakash Singh and Soyinka Nath, “Threshold Optimization for Modified Switching Scheme of Hybrid FSO/RF System in the presence of Strong Atmospheric Turbulence”, Photonic Network Communication (Springer) Vol 40, No. 2, pp. 103-113 Sep. 2020. 

 

B. Conference Publications

1. S.P.Singh, S. Sengar and S.L.Maskara, “A comparative study of Congestion control Techniques in ATM Networks,” National Conference on Communication NCC-99, IIT Kharagpur, India, pp 614-620, 29-31 January 1999.

2. Vimal Bhatia, Aloknath De, Anubha Gupta and Sujata Senger, “A Robust Phase-Reversed Tone Detection Using Bispectrum and DFT-based Algorithms”, Proc. Eighth National Conference on Communications, IIT Bombay Jan 2002.

3. V. Bhatia, Aloknath Dey, Anubha Gupta, Sujata Sengar, “A robust phase-reversed tone detection using bispectrum and DFT-based algorithms,”Proceedings of 6 th International conference on Signal Processing, 26-30 August 2002, Volume-2, Pages 1372-1376, China.

4. Sethy, Anubha Gupta, Sujata Sengar and Ankit Maheswari, “Wavelet domain image watermarking Algorithm based on Energy ratio Equalization,” 7th International conference on Information Technology, CIT-2004, 20-23 December, Hyderabad, India.

5. Sethy, Anubha Gupta, Sujata Sengar and Ankit Maheswari, “Watermarking Algorithms based on statistical properties of wavelet coefficient,” 7th International conference on Information Technology, CIT-2004, 20-23 December, Hyderabad, India.

6. G. Chawla, Anubha Gupta and Sujata Sengar, “A wavelet based detection and analysis of gamma rhythms in EEG signals,” IEEE International Conference on Signal Processing & Communications, SPCOM-2004, 11-14 th December, IISc Bangalore.

7. Sujata Sengar, S. D. Joshi and S. Prasad, “An Application of Multi Wavelets in Wireless Communication In The Presence Of Frequency Selective Fading” IEEE INDICON, 2006. Sept. 2006 Page(s):1 – 4.

8. Sujata Sengar, S. D. Joshi and S. Prasad, “Performance analysis of space time coded Fractal modulation in the presence of Frequency Selective Fading,” IEEE Wireless and Optical Communication Networks IEEE WOCN-2006, Bangalore, India, 11-13 April 2006.

9. S. Gupta, M. Sareen, A. Gupta and Sujata Sengar, “Blind image watermarking algorithm based on the statistics of Wavelet coefficients, IEE International Conference on Visual Information Engineering (VIE-2006) 26-28th September, pp.41-47,2006.

10. Bunty, Sujata Sengar, “Performance Evaluation of Multicarrier CDMA in presence of frequency selective fading channels by cyclic prefix method,” International conference on communication and computational Intelligence (INCOCCI 2010), 2010.

11. Sridhar Iyer, Rochak Bajpai, S.P. Singh and Sujata Sengar, “Issues and Challenges in Next-Generation Mixed-Line-Rate and Energy-Driven Optical WDM Networks,” ICEIT Conference on Advances in Mobile Communications, Networking and Computing – ICEIT MCNC’13 September 27-28, 2013.

12. Rochak Bajpai, Sujata Sengar and Shree Prakash Singh, “Comparison of performance of a mixed line rate optical WDM network using different modulations at 40 Gbps” IEEE International Conference on Advances in Computing, Communication & Automation (ICACCA 2016) on 8th & 9th APRIL 2016 at Tula’s Institute of Engineering & Management College Dehradun.

13. Rochak Bajpai, Sujata Sengar and Shree Prakash Singh, “Performance Comparison of 40Gbps Mixed Line Rate WDM System for Various Dispersion Compensation Schemes”, IEEE International Conference on Computational and Characterization Techniques in Engineering & Sciences (CCTES-18), Integral University Lucknow, September 14-15, 2018. (Best Paper Award)

14. Soyinka Nath, Shreesh Kumar Shrivastava, Sujata Sengar and Shree Prakash Singh, “Novel Architectures for Efficient RF Usage in Hybrid FSO/RF System”, IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), 16-19 December 2018.

15. Krishan Kumar Singh, Shree Prakash Singh and Sujata Sengar, “Fragmentation Suppressed RSA Algorithm for Elastic Optical Network: A Quantitative approach,” 1st IEEE British and Irish Conference on Optics and Photonics (BICOP 2018), 12 – 14 December, 2018.

16. Shreesh Kumar Shrivastava, Sujata Sengar and Shree Prakash Singh, “An Improved Modified Switching Scheme for Hybrid FSO/RF System under Strong Atmospheric Turbulence" The International Conference on Fiber Optics and Photonics, 12th to 15th December 2018 (PHOTONICS-2018), IIT Delhi.

17. Shreesh Kumar Shrivastava, Sujata Sengar and Shree Prakash Singh, “A Comparison of Modulation Formats for Modified Switching Scheme of Hybrid FSO/RF System”, 6th International Conference on "Innovative Trends in Science, Engineering and Management” (ICITSEM-19) Institution of Engineers, India, Sector 19A, Chandigarh.

18. Soyinka Nath, Shreesh Kumar Shrivastava, Sujata Sengar and Shree Prakash Singh “Deployment of Cognitive RF for Performance Enhancement of FSO systems: A FSO/Cognitive RF Hybrid Approach”, Accepted for presentation at 5th International Conference On Signal Processing And Communication (ICSC-2019), February 2019.

19. S. K. Shrivastava, Sujata Sengar and S. P. Singh, Capacity Analysis of the Hybrid FSO/RF System under the Effect of Fading in Feedback Path, Proc. of 2020 IEEE 17th India Council International Conference (INDICON), 2020

20. S. Nath, S. P. Singh and Sujata Sengar, “Capacity Insights for Shared-RF and On-Demand Systems," Proc. of 2020 IEEE 17th India Council International Conference (INDICON), 2020, pp. 1-7.

21. S. Nath, Sujata Sengar and S. P. Singh, “Interference Analysis in Cognitive Hybrid FSO/RF System", Proc. of 2021 3rd International Conference on Signal Processing and Communication (ICPSC), 2021, pp. 562-567.