Dr. Rajat Kumar Giri

Research

Performance analysis & optimization of RF/FSO system
Saummit Kanoongo	Enrolled: January 2020	Continuing

Performance improvement of under water optical wireless communications
Sagarika Patra	Enrolled: January 2021	Continuing

Laser Satellite Communication systems Analysis
Deepika Maharana	Enrolled: January 2022	Continuing

Publication

Journals:

• “Link quality improvement analysis of relay-assisted hybrid RF/FSO systems in challenging environments”, S Kanoongo, R K Giri; Optik, Elsevier, 2023
• “FSO performance analysis of a metro city in different atmospheric conditions”, R K Giri; Journal of Optical Communications, 2021.
• “BER performance analysis of FSO using hybrid-SIM technique with APD receiver over weak and strong turbulence channels”, R K Giri; Journal of Optical Communications, 2021.“Error performance enhancement of satellite to earth FSO downlink employing hybrid subcarrier intensity modulation scheme with aperture averaging technique”, R K Giri, B Patnaik; Optical and Quantum Electronics, 51 (4), 1-11, 2019
• “Performance of multiple-input multiple-output free space optics using hybrid subcarrier intensity modulation with avalanche photodiode receiver”, R K Giri, B Patnaik; International Journal of Communication Networks and Distributed Systems, 2019.“Bit error rate performance analysis of hybrid subcarrier intensity modulation-based FSO with spatial diversity in various weather conditions”, R K Giri, B Patnaik; Journal of Optical Communications, 40 (3), 307-314, 2018.“BER analysis and capacity evaluation of FSO system using hybrid subcarrier intensity modulation with receiver spatial diversity over log-normal and gamma–gamma channel model”, R K Giri, B Patnaik; Optical and Quantum Electronics, 50 (6), 231, 2018

Conferences:

• “Performance Analysis of Indoor Optical Wireless Communication with and Without FLI Effect Using Various Modulation Schemes”, G D K Reddy, R K Giri; 2018 Second International Conference on Inventive Communication, IEEE, Apr-2018. ISBN:978-1-5386-1975-9
• “Performance Analysis of different Modulation Techniques in SIM Based FSO using Different Receivers Over Turbulent Channel”, A Mishra, R K Giri; 2018 International Conference on Communication, Computing and Internet of things, IEEE, Feb-2018. ISBN:978-1-5386-2460-9
• “Performance improvement in SIM based FSO with APD receiver by using spatial diversity techniques over turbulent channels”, P S Pati, R K Giri, B Patnaik; 2017 International Conference on Communication and Signal Processing (ICCSP), IEEE, Apr-2017, ISBN:978-1-5090-3801-5
• “Performance analysis of SIM based FSO using various modulation techniques with APD receiver over turbulent channel”, A Mishra, P S Pati, R K Giri; 2017 International Conference on Wireless Communications, Signal Processing, IEEE, Mar-2017. ISBN:978-1-5090-4443-6
• “A Comparative Analysis of Different Modulation Techniques Based on Subcarrier Intensity Modulation in Free Space Optics Using Log-Normal Turbulence Model”, R K Giri, B Patnaik; 2016 International Conference on Information Technology (ICIT), IEEE, 12-16, DEC-2016. ISBN:978-1-5090-3585-4
• “Inter-satellite optical wireless communication system design using diversity techniques”, S Pradhan, P K Sahu, R K Giri, B Patnaik; International Conference on Microwave, Optical and Communication, IEEE, DEC-2015. ISBN:978-1-4673-6981-7.
• “The analysis of Broadband Communication over indoor Powerline channel”, S K Mohanty, R K Giri; 2014 International Conference on Communication and Signal Processing, IEEE, 1293-1299, Apr-2014. 978-1-4799-3357-0.
• “Measurement of channel characteristic by bottom-up approach for indoor PLC channel”, S K Mohanty, R K Giri; TENCON 2014. IEEE, 1-6, 2014.

Books:

• “Analog Communication Technique”, Alok Publisher, Odisha, India.

Project

UG Projects:

[2013 ] Image compression using discrete cosine transform

[2014 ] Active noise cancellation using online and offline estimation.

[2014] Feedforward filtered-x algorithms for active noise cancellation.

[2015 ] Explainable AI-understanding what machines interprets

[2015] Performance improvement of sim based fso using spatial diversity techniques

[2016] Performance analysis of sim based fso using advanced modulation techniques with different de-

tectors

[2017 ] A comparative study on sim based fso using different modulation techniques

[2018] IOT based lpg gas leakage monitoring and alerting system

[2019 ] Performance of indoor owc systems and fundamental analysis of VLC

[2021 ] Weather effects on hybrid fso-rf system and link budget analysis

[2022 ] Performance analysis of underwater optical wireless communication

[2023 ] Analysis of hybrid fso/rf systems under different turbulence conditions

PG Projects:

[2017 ] Student: Preeti Samhita Pati

Thesis title: Performance analysis and enhancement of SIM based FSO using Spatial diversity and

aperture averaging technique over turbulent channels

[2017] Student:Arpita Mishra

Thesis title: Performance analysis of different modulation techniques in SIM based FSO using different

receivers over turbulent channel.

[2018 ] Student: G Dushyanth Kumar Reddy .

Thesis title: Performance Analysis of Indoor Optical Wireless Communication Using Various Modu-

lation Scheme

Resources

Coming Soon...

Administrative Responsibility

Nov. 2022- till date: Head Of the Department, ETC

Dec. 2022- till date : Member of Senate Committee

Apr. 2022- till date : Member of Purchase Committee.

July 2021- till date : PIC, IIIT-BH Alumni Committee.

2017- 2019 : Member of Library Committee