1.Attended a two day National workshop on “Advances in signals and Image Processing” at JNTUK, University College of Engineering Kakinada, during 25th& 26thFebruary, 2011.

2.Attended One week Faculty Development Programme Conducted by Wipro Technologies i.e. Mission-10X in DADI Institute of Engineering and Technology during 30th April 2012 to May 4th 2012.

3.Attended a two day National workshop on “Embedded Systems and VLSI Design” at LIET, Jonnda, Vizianagaram during 14th& 15thMarch, 2014.

4.Attended a two day National workshop on “Xilinx FPGA Based embedded and DSP Design” at LIET, Jonnda, Vizianagaram in association with CoreEL technologies during 23rd Jan 2015-24th Jan 2015.

5.Attended a One Day National workshop on “Internet Of Things” at LIET, Jonnda, Vizianagaram on 26th April 2016.

6.Attended a One Week Faculty Development Programme on “Advances in Practical RF Antenna Design” organized by LENDI Institute of Engineering and Technology in association with National Institute Of Technology, Warangal(NIT Warangal) under the scheme of Electronics and ICT Academy, during 13th September 2016 to 18th September 2016.

7.Attended a One Week National Level Faculty Development Programme on “Advanced Digital signal Processing and Applications” organized by MVGR College of Engineering  in association with National Institute Of Technology, Warangal(NIT Warangal) under the scheme of Electronics and ICT Academy, during 8thNovember 2016 to 13thNovember 2016.

8.Attended a One Week QIP Short Term Course on “Distributed Estimation and Control in Networked Systems (DECNS)” organized by VSSUT, Burla, during 6th February 2017 to 11th February 2017.

9.Attended a One Week National Level Faculty Development Programme on “IoT With Hands on Experience” organized by LENDI Institute of Engineering & Technology in association with IE India and Tenet Technetronics Pvt Ltd during 10th July 2017 to 15thJuly 2017.

10.Attended a One Week National Level Faculty Development Programme on “Aspects of VLSI Design Using EDA Tools” organized by LENDI Institute of Engineering & Technology in association with IETE(India) and CoreEL Technologies during 7th August 2017 to 12thAugust 2017.

11.Attended a One Week QIP Short Term Course on “Wireless Communications: Issues, Challenges & Techniques” organized by VSSUT, Burla, during 23rd May 2018 to 28th May 2018.

12.Attended a One Week National Level Faculty Development Programme on “VLSI Design Verification & Testing” organized by LENDI Institute of Engineering & Technology in association with National Institute Of Technology, Warangal(NIT Warangal) under the scheme of Electronics and ICT Academy, during 10thJune 2019 to 15thJune 2019.

13.Attended a One Week National Level Faculty Development Programme on “Advances in 5G-Wireless Communications with Hand on Experiences” organized by ECE Department,LENDI Institute of Engineering & Technology, during 16thJune 2020 to 20thJune 2020.

14.Attended a 3-Days Faculty Development Programme on “Accelerating Research” organized by ECE Department,LENDI Institute of Engineering & Technology, during 27thAugust 2020 to 29thAugust 2020..

15.Attended a 3-Days online Faculty Development Programme on “Internet of Things (IoT)” organized by ECE Department, LENDI Institute of Engineering & Technology, during 27thMay 2020 to 29thMay 2020..

16.Attended a 3-Days online Faculty Development Programme on “Outcome Based Education (OBE)” organized by Mechanical Engineering Department, LENDI Institute of Engineering & Technology, during 21st May 2020 to 23rd May 2020.

17.Attended a 5-Days online Online Certification Programme on “AI” organized by ApplyVolt, during 11thMay 2020 to 15thMay 2020.

18.Attended a 3-Days Faculty Development Programme on “Industrial Artificial Intelligence” organized by ECE,CSE,Mech Departments, LENDI Institute of Engineering & Technology, during 15th Junee 2020 to 17th  June 2020.

19.Attended a 3-Days online National Level Faculty Development Programme on “Understanding Signal Processing as it is” organized by ECE Department, RISE Krishna Sai Prakasham Group of Institutions, Ongole, during 12thJune 2020 to 14thJune 2020.

20.Attended a One Week National Level Short Term Training Programme on “Introduction to Estimation Theory” organized by RISE Krishna Sai Prakasham Group of Institutions, Ongole, during 17thJune 2020 to 23rd June 2020.

21.Attended a One Week National Level Faculty Development Programme on “Recent Advances in Antennas and Applications(RAAA)” organized by ECE Department,KLEF, during 14thJuly 2020 to 18thJuly 2020.

22.Attended a 5-Days National Level Faculty Development Programme on “Artificial Intelligence” organized by CSE Department, LENDI Institute of Engineering & Technology, during 22nd  May 2020 to 26th  May 2020.

23.Attended a 5-Day Online Faculty Development Programme on “Modern Research Trends in Communication, Signal Processing and VLSI/MEMS” organized by ECE Department, Andhra Loyola Institute Of Engineering And Technology, during 19thMay 2020 to 23rd May 2020.

1.Published a paper entitled “Feat of submerged scheme relevance in Power PC Processor based FPGA using FPGA IP Cores” in International Journal of Computer Science and Informatics(IJCSI)  Vol-1, Issue-1, Dec 2011.

2.Published a paper entitled “Systematic Comparison of Different PAPR Reduction Methods in OFDM Systems” in International Journal of Electronics and Communication Engineering (IJECE) Vol-7, Issue-1, Dec 2013.

3.Published a paper entitled “Systematic Comparison of Performance of Different Adaptive Beam Forming Algorithms for Smart Antenna Systems” in IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) Vol-9, Issue-1, Feb 2014.

4.Published a paper entitled “Performance Analysis of Turbo Codes in CDMA under AWGN and Fading Channels” in IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) Vol-9, Issue-2, Apr 2014.

5.Published a paper entitled “Implementation of Underwater System Application in Power PC Processor Based FPGA using FPGA IP Cores” in IOSR Journal of VLSI and Signal Processing (IOSR-JVSP) Vol-4, Issue-6, Ver-III, Dec 2014.

6.Published a paper entitled “Performance Improvement Technique for Multi User Detection in DS-CDMA system using Successive Interference Cancellation” in IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) Vol-10, Issue-2, Ver-II, Apr 2015.

7.Published a paper entitled “Performance Analysis of CDMA 2000 1x Network Using Smart Antenna System” in International Journal of Technological Research in Engineering (IJTRE) Vol-2, Issue-7, Mar 2015.

8.Published a paper entitled “Noise Reduction Using Beamforming Algorithms” in International Journal of Engineering Science and Computing (IJESC) Vol-6, Issue-4, April 2016.

9.Published a paper entitled “A New Signal Encryption and Decryption using an Artificial Neural Networks” in IOSR Journal of Dental and Medical Sciences (IOSR_JDMS) Vol-15, Issue-4, Apr 2016.

10.Published a paper entitled “Automatic Routing of Traffic Signalling using Image Processing” in International Journal of Advanced Technology and Innovative Research (IJATIR) Vol-9, Issue-5, April 2017.

11.Published a paper entitled “Objective Quality Assessment of Contrast-Distorted Images Based on Natural Scene Statistics” International Journal of Engineering Science and Computing (IJESC) Vol-7, Issue-3, Mar 2017.

12.Published a paper entitled “Implementation of Distance Vector and Differential Evolution Node Localization Algorithms by Received Signal Strength Indicator” International Journal of Trends in Microwave Engineering and Technology journal,Volume 5,Issue 1, Mar 2020.

13.Published a paper entitled “Indoor Localisation Accuracy Improvement In Wireless Sensor Networks Using Convolutional Neural Network” International Journal of published in Juni Khyat, ISSN: 2278-4632 (UGC Care Group I Listed Journal),April 2020.

14.Rayavarapu, V.C.S.R., Mahapatro, A. NLOS identification and mitigation in UWB positioning with bagging-based ensembled classifiers. Ann. Telecommun. 77, 267–280 (2022). https://doi.org/10.1007/s12243-021-00884-6.(SCIE )

15.V. CH Sekhar Rao Rayavarapu, Arunanshu Mahapatro, MOANS DV-Hop: An anchor node subset based localization algorithm for wireless sensor networks, Ad Hoc Networks, Volume 152, 2024, 103323, ISSN 1570-8705,https://doi.org/10.1016/j.adhoc.2023.103323.(SCIE)

16.Sekhar Rao Rayavarapu, V.C., Mahapatro, A. & Kanti, R.D. Design and development of mobile anchor assisted node localization strategy using a Hybrid Electric-Coyote Optimization. Evol. Intel. 17, 1405–1423 (2024). https://doi.org/10.1007/s12065-023-00834-2 (ESCI).

1.Presented a paper titled, ”Feat of submerged scheme  relevance in Power PC Processor based FPGA using FPGA IP Cores” in the proceedings of IEEE Inter National conference on “Emerging Trends in Signal Processing and VLSI Design- (ESPVD-2010)”,at Gurunanak Engineering College,Ibrahimpatnam, Andhrapradesh, India, during 11th,12th&13th , June, 2010.

2.Presented a paper titled, ”Consciousness of Underwater Power Control and LCD display system using FPGA IP Cores ” in the proceedings of IEEE Inter National conference on “Advances in information, communication Technology and VLSI Design- (ICAICV-2010)”,at PSG College of Engineering & Technology ,Coimbatore, Tamilanadu, India, during 17th ,18th  , August, 2010.

3.Presented a paper titled, ” Implementation Of OISD Multiuser Detection Scheme for Uplink Grant Free NOMA” in the proceedings of 9th “International Conference on Innovations in Electronics & Communication Engineering” (ICIECE-2021),at Gurunanak Group of Institutions ,Hyderabad, Telengana, India, during 13th ,14th  , August, 2021.

4.Presented a paper titled,” Dental image Segmentation Using Fuzzy C-Means Clustering Algorithm” in the proceedings of 9th “International Conference on Innovations in Electronics & Communication Engineering” (ICIECE-2021),at Gurunanak Group of Institutions ,Hyderabad, Telengana, India, during 13th ,14th  , August, 2021.

5.Presented a paper titled, ” Image Processing Classification algorithms for plant disease identification” in the proceedings of  “International Conference on Innovations in Electronics,Communication,Computing & Automation(ICIECCA-2020),at KL University ,Vijayawada, Andhra Pradesh, India, during 23rd-25th  , November, 2020(Scopus Conference).

6.V. C. S. R. Rayavarapu and A. Mahapatro, "A Novel Range-Free Anchor-Free Localization In WSN Using Sun Flower Optimization Algorithm," 2021 Advanced Communication Technologies and Signal Processing (ACTS), 2021, pp. 1-6, doi: 10.1109/ACTS53447.2021.9708099.(IEEE Conference)

MIE

Book Chapter Details(Scopus):

1. Sekhar Rao Rayavarapu, V.C., Mahapatro, A. (2022). Deer Hunting Optimization-Enabled Multi-objective Range-Free Anchor-Based Localization in WSN. In: Rout, R.R., Ghosh, S.K., Jana, P.K., Tripathy, A.K., Sahoo, J.P., Li, KC. (eds) Advances in Distributed Computing and Machine Learning. Lecture Notes in Networks and Systems, vol 427. Springer, Singapore. https://doi.org/10.1007/978-981-19-1018-0_13
2. Sekhar Rao Rayavarapu, V.C., Mahapatro, A., Divya Kanti, R. (2024). Range-Free Anchor-Based Localization in WSN Using Optimized Support Vector Machine Derived by Teamwork Optimization Algorithm. In: Gunjan, V.K., Zurada, J.M. (eds) Proceedings of 4th International Conference on Recent Trends in Machine Learning, IoT, Smart Cities and Applications. ICMISC 2023. Lecture Notes in Networks and Systems, vol 873. Springer, Singapore. https://doi.org/10.1007/978-981-99-9442-7_35