Cognitive Radio Networks, NOMA, Digital communication, Microwave engg., Wireless sensor networks, Wireless Communications, MIMO Systems, Next generation of communication systems and IoT.

Experience :

Total Experience: 9 Years

Current
Assistant Professor in Department of ECE, National Institute of Technology, Kurukshetra from Aug 2013 till date.
Previous Experience
System Engineer in Tata Consultancy Services (TCS) from Oct 2011 to Aug 2013.

List of publications:

International Referred Journal

C. Charan and R. Pandey, “Intelligent selection of threshold in covariance-based spectrum sensing for cognitive radio networks,” Wireless Networks, pp. 1-13, May 2017. (SCI indexed)
Chhagan Charan and Rajoo Pandey, “ An Adaptive Spectrum-sensing Algorithm for Cognitive Radio Networks based on the Sample Covariance Matrix,” Defence Science Journal, Vol. 67, No. 3, May 2017, pp. 325-331, DOI: 10.14429/dsj.67.10506 (SCI indexed)
Charan Chhagan & Pandey Rajoo, “Eigen value-based double threshold spectrum sensing under noise uncertainty for cognitive radio,” optic. Int. J. Light Electron Optics, 2016, 127(15), 5968–5975. doi: 10.1016/j.ijleo.2016.04.049. (SCI indexed)

International Conferences

C. Charan and R. Pandey, “Eigenvalue-based reliable spectrum sensing scheme for cognitive radio networks,” in 2017 International Conference on Nascent Technologies in Engineering (ICNTE), 27-28 Jan. 2017.
C. Charan and R. Pandey, “A reliable spectrum sensing scheme using sample covariance matrix for cognitive radio,” in 2016 IEEE International Conference on Advances in Electronics, Communication and Computer Technology (ICAECCT), pp. 17-20. 2-3 Dec. 2016.
C. Charan and R. Pandey, “Double Threshold Based Spectrum Sensing Technique Using Sample Covariance Matrix for Cognitive Radio Networks,” 2nd International Conference on Communication Systems, Computing and IT Applications (CSCITA 2017), 7-8 April 2017.
J Sisindhar Reddy, Chhagan Charan and Kalivarapu Krupa Babu, “1.2V/1.8V Transmitter Using 1V Devices in Cascode Configuration”, National Conference on Innovations in Computing, Electronics and Communication Engineering (NCICECE 2020), 25-26 July 2020. NIT-Kurukshetra
Kovvuru Thiru Manjunatha Reddy and Chhagan Charan, “Enhancement of Service Discovery module in AUTOSAR,” National Conference on Innovations in Computing, Electronics and Communication Engineering (NCICECE 2020), July25-26, 2020. NIT-Kurukshetra.
Reetam Negi, Chhagan Charan, “Analysis of Covariance ratio based detection techniques for cognitive radio networks”, Int. Conf on Advances In Electronics, Electrical & Computational Intelligence (ICAEEC), 2019.
Reetam Negi, Chhagan Charan, “Analysis of Covariance ratio based detection techniques for cognitive radio networks under Rayleigh Fading”, IEEE Int Conf on Defence and Space Technologies (ICDST), 2019.
Smriti and C. Chhagan, “Double Threshold-Based Energy Detection Spectrum Sensing Scheme by Considering the Sensing History in Confusion Region,” 2018 5th International Conference on Signal Processing and Integrated Networks (SPIN), Noida, 2018, pp. 518-521. doi: 10.1109/SPIN.2018.8474248
Smriti and C. Chhagan, “Double Threshold-Based Energy Detection Spectrum Sensing Scheme by Considering the Sensing History in Confusion Region,” 2018 5th International Conference on Signal Processing and Integrated Networks (SPIN), Noida, 2018, pp. 518-521. doi: 10.1109/SPIN.2018.8474248
A. Khandelwal and C. Charan, “Simulation analysis of MP and eigenvalue based method for cognitive radio,” 2016 International Conference on Emerging Trends in Communication Technologies (ETCT), Dehradun, 2016, pp. 1-5.
A. Khandelwal and C. Charan, “Investigation of spectrum sensing under colored noise for cognitive radio network,” 2017 8th International Conference on Computing, Communication and Networking Technologies (ICCCNT), Delhi, 2017, pp. 1-5. doi: 10.1109/ICCCNT.2017.8204007
A. Khandelwal and C. Charan, “Performance analysis of spectrum sensing under coloured noise,” 2017 2nd IEEE International Conference on Recent Trends in Electronics, Information & Communication Technology (RTEICT), Bangalore, 2017, pp. 787-790. doi: 10.1109/RTEICT.2017.8256705
P. P. Anaand and C. Charan, “Performance analysis of energy and AIC detection for spectrum sensing in cognitive radio networks,” 2015 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC), Madurai, 2015, pp. 1-4. doi: 10.1109/ICCIC.2015.7435716. (Best Paper Award).
P. P. Anaand and C. Charan, “Two-stage spectrum sensing for cognitive radio networks using ED and AIC under noise uncertainty,” 2016 International Conference on Recent Trends in Information Technology (ICRTIT), Chennai, 2016, pp. 1-6. doi: 10.1109/ICRTIT.2016.7569540
Saurabh Saini and Chhagan Charan, “A Review on Spectrum Sensing Techniques for Cognitive Radio Networks,” has been published in  ‘ Advances in Computer Science and Information Technology (ACSIT)’  Print ISSN: 2393-9907; Volume 1, Number 3; November 2014 pp. 152-156.
Saurabh Saini and Chhagan Charan, “Performance Analysis of Double-threshold Energy Detection of Spectrum Sensing for Cognitive Radio (Paper code: RA- 77),” has been published in ‘National Conference on Recent Advances in Electronics & Computer Engineering’ (February13-15, 2015), RAECE-2015 IIT Roorkee.

Conferences/FDP/Training/STC organized:

• Organized one-month training program on “Internet of Things (IoT)” during 15 Aug – 14 Sept 2020, in National Institute of Technology, Kurukshetra.

• Organized a National Conference on Innovations in Computing, Electronics and Communication Engineering 2020 (NCICECE 2020) during 25th – 26th July, 2020, in National Institute of Technology, Kurukshetra.

• FDP on “Artificial Intelligence and Machine Learning” jointly organized by electronics & ICT academy IIT Roorkee through National Knowledge Networks (NKN) during 17th – 21st December 2018, at NIT Kurukshetra.

• FDP on “Wireless and Mobile Communications” jointly organized by electronics & ICT academy IIT Roorkee through National Knowledge Networks (NKN) during 3rd – 7th December 2018, at NIT Kurukshetra.

• Organized a DRDO – Academic meet on “Research Opportunities in Defense Sector” November 30, 2018, sponsored by Armament Research Board (ARMREB) hosted by NIT-Kurukshetra.

• Organizing member of one-week short term course on “Signal Processing for Communication” held at Deptt of ECE, NIT Kurukshetra from 25th Feb- 1st March 2015.

Seminars/STC/FDP/QIP participated:

Training on” Pre-Incubations & Incubation Management” conducted as part of IIC Innovation Ambassador Training Series, organized by Institution’s Innovation Council of MHRD’s Innovation Cell, AICT held at Lovely Professional University, Jalandhar, Panjab on 16-17 January 2020.
Attended the First Annual Innovation Festival of MHRD’s Innovation Cell on 11th September 2019 at AICT Headquarters, New Delhi.
“IoT Fundamentals and Case Studies” during September 16-20, 2019 at IIT Bombay.
Attended an Awareness programme on “Support for Entrepreneurial and Managerial Development of MSMEs through Incubators” on 20th Aug 2019 organized by Ministry of Micro, Small & enterprises, MSME- Development, Karnal.
“5G technologies-Massive MIMO, Millimeter (mm) Wave MIMO, Non-Orthogonal Multiple Access (NOMA), Full-Duplex (FD), OFDM/ Filter Bank Multi-Carrier (FBMC) and NB-IoT” during 8th – 14th July 2019, organized by IIT Kanpur ar Ramaiah Institute of Technology, Bengaluru.
One-day training workshop for Faculty-Mentors for the Induction Programme for the First Year B.Tech. Students under TEQIP-III held on 24th July 2018 in NIT Kurukshetra.
GIAN course on “Next Generation MIMO and OFDM wireless Technologies” during 8th -17th December 2017, at Deptt of ECE NIT-Kurukshetra.
“Cognitive Radio and wireless communication” during September 1-10, 2017 at IIT Kanpur.
Mini project on “Spectrum Sensing for MIMO-OFDM Cognitive Radio Systems” during April 24th, 2017 organized by Deptt of Electrical Engineering, IIT Kanpur.
Short course on “Spectrum Sensing for MIMO-OFDM Cognitive Radio Systems” during April 21st-23rd, 2017 organized by Deptt of Electrical Engineering, IIT Kanpur.
Short course on “Cognitive Radio and Wireless Communication – Theory, Practice and Security” Sep 1-10, 2016 organized by IIT Kanpur under GIAN scheme.
One-week STC on “Data Networks and security” from 11-15, Jan 2016, conducted by GCE, Goa.
Short term course on “Telecom Management: Current and Emerging” at IIT Delhi, from 20th-21th Aug, 2015.
Short term course on “Detection Theory for Communication and Signal Processing” organised by IIT-Kanpur from April 27th to 29th, 2015
“Advanced Engineering Optimization Through Intelligent Techniques” at SVNIT, Surat during 22-26 September 2014, SVNIT, Surat
Short course on “Convex Optimization for Wireless Communication” organized by IIT Kanpur from September 15th to 17th, 2014.
Short course on “Cognitive Radio: Fundamentals and Implementation Issues” organized by NIT Kurukshetra during 09-12 July 2014.

Seminars/STC/FDP/QIP organized:

Organized a National Conference on Innovations in Computing, Electronics and Communication Engineering 2020 (NCICECE 2020) during 25th – 26th July 2020, in National Institute of Technology, Kurukshetra.
Organized a DRDO – Academic meet on “Research Opportunities in Defense Sector” November 30, 2018, sponsored by Armament Research Board (ARMREB) hosted by NIT-Kurukshetra.
FDP on “Wireless and Mobile Communications” jointly organized by electronics & ICT academy IIT Roorkee through National Knowledge Networks (NKN) during 3rd – 7th December 2018, at NIT Kurukshetra.
FDP on “Artificial Intelligence and Machine Learning” jointly organized by electronics & ICT academy IIT Roorkee through National Knowledge Networks (NKN) during 17th – 21st December 2018, at NIT Kurukshetra.
Organizing member of one-week short term course on “Signal Processing for Communication” held at Deptt of ECE, NIT Kurukshetra from 25th Feb- 1st March 2015.

Thesis Supervised:

PhD 01 Ongoing

List of Thesis supervised for MTech

Administrative Responsibilities:

Professor in charge of the Microwave Lab from July 2014 to till date.
Established a new lab Instrumentation Lab (ECLR-32) in the Department of Electronics and Communication Engineering, NIT–KKR during the academic year 2018-19.
Mentored the group for Drug-Free Abhiyan under the guidelines of MHRD to aware the students about various environmental issues through TEQIP-III since Nov 2019 in NIT-Kurukshetra.
Performed the duty of the Centre Superintendent (CS) in the odd semester exams 2019-20 at National Institute of Technology, Kurukshetra.
Performed the duty of the Deputy Centre Superintendent (DS) in the odd semester exams 2017-18 at National Institute of Technology, Kurukshetra.
Performed duty of Micro Observer in Assembly Election 2014 and 2019, Haryana.
Performed duty of Presiding Officer in Lok Sabha General Election 2014 and 2019.
Prof-in-charge of the “Microbus” a Techno-Managerial society of Department of Electronics and Communication, NIT Kurukshetra from July 2014 to Jun 2019.
Organizing committee member of Altius-2014, 2015, 2016 and 2017, an annual technical festival of NIT Kurukshetra.
Organizing committee member of the Techspardha 2015, 2016, 2017, 2018 and 2019, an annual techno-managerial festival of National Institute of Technology, Kurukshetra.
Prof-in Charge of “Time-table” for the Department of ECE from Dec 2013-Jun 2014 and from May 2019 to till date.
Performed duty as warden of the hostel number 6 (Fanibhushan Bhawan, NIT-KKR) and the hostel number 11 (Vivekanand Bhawan, NIT-KKR) from May 2017 to 2019 and May 2019 to till date, respectively.
Part of the departmental level committee for the document preparation of the National Institutional Ranking Framework (NIRF) 2016.
Member of Disciplinary Committee in Convocation of NIT Kurukshetra, 2014 to 2020.
Performed Anti-Ragging Disciplinary duty in from 2014 to 2020.
Organized TEXAS INSTRUMENTS INDIA ANALOG MAKER COMPETITION 2014 College Level Contest at Dept. of ECE, NIT Kurukshetra.

Memberships of Professional Bodies: IEEE