Devanaboyina Venkata Ratnam

Publication Activity (10 Years)

Years Active: 2012-2024
Publications (10 Years): 30

Top Topics

Extended Kalman Filter

Data Dissemination

Top Venues

IEEE Geosci. Remote. Sens. Lett.

Wirel. Pers. Commun.

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.

Publications

Suneetha Emmela, Devanaboyina Venkata Ratnam, Yuichi Otsuka, Atsuki Shinbori, Takuya Sori, Michi Nishioka, Septi Perwitasari
Statistical Analysis of Global and Regional Ionospheric Total Electron Content (TEC) Using Extreme Value Distributions. IEEE Trans. Geosci. Remote. Sens. 62 (2024)
Suneetha Emmela, Devanaboyina Venkata Ratnam, Yuichi Otsuka, Atsuki Shinbori, Takuya Sori, Michi Nishioka, Septi Perwitasari
An Extreme Value Analysis of Long-Term GNSS Ionospheric Total Electron Content Data Observed at Japan Grid Point Location (34.95° N and 134.05° E). IEEE Geosci. Remote. Sens. Lett. 20 (2023)
Shafi Shaik, Devanaboyina Venkata Ratnam
New Energy Aware MPR Selection for Securing OLSR Routing Scheme Under Black Hole Attack: A Machine Learning Approach. Wirel. Pers. Commun. 132 (3) (2023)
Shafi Shaik, Devanaboyina Venkata Ratnam
Ant-Colony Optimization Based Energy Aware Cross Layer Routing Protocol to Improve Route Reliability in MANETs. Wirel. Pers. Commun. 129 (3) (2023)
T. Venkateswara Rao, Miriyala Sridhar, Devanaboyina Venkata Ratnam, P. Babu Sree Harsha, I. Srivani
A Bidirectional Long Short-Term Memory-Based Ionospheric foF2 and hmF2 Models for a Single Station in the Low Latitude Region. IEEE Geosci. Remote. Sens. Lett. 19 (2022)
Shafi Shaik, Devanaboyina Venkata Ratnam
A trust based energy and mobility aware routing protocol to improve infotainment services in VANETs. Peer-to-Peer Netw. Appl. 15 (1) (2022)
Kondaveeti Sivakrishna, Devanaboyina Venkata Ratnam, Gampala Sivavaraprasad
A Bidirectional Deep-Learning Algorithm to Forecast Regional Ionospheric TEC Maps. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 15 (2022)
Abhijit Dey, Manhal Rahman, Devanaboyina Venkata Ratnam, Nitin Sharma
Automatic Detection of GNSS Ionospheric Scintillation Based on Extreme Gradient Boosting Technique. IEEE Geosci. Remote. Sens. Lett. 19 (2022)
Ram Kumar Vankadara, Sampad Kumar Panda, Christine Amory-Mazaudier, Rolland Fleury, Devanaboyina Venkata Ratnam, Tarun Kumar Pant, Punyawi Jamjareegulgarn, Mohd Anul Haq, Daniel I. Okoh, Gopi Krishna Seemala
Signatures of Equatorial Plasma Bubbles and Ionospheric Scintillations from Magnetometer and GNSS Observations in the Indian Longitudes during the Space Weather Events of Early September 2017. Remote. Sens. 14 (3) (2022)
Swamy KCT, Devanaboyina Venkata Ratnam, Towseef Ahmed Shaik
Double difference method with zero and short base length carrier phase measurements for Navigation with Indian Constellation satellites L5 (1176.45 MHz) signal quality analysis. Int. J. Satell. Commun. Netw. 40 (4) (2022)
T. Venkateswara Rao, Miriyala Sridhar, Devanaboyina Venkata Ratnam
An Automatic CADI's Ionogram Scaling Software Tool for Large Ionograms Data Analytics. IEEE Access 10 (2022)
Adarsha Ruwali, A. J. Sravan Kumar, Kolla Bhanu Prakash, Gampala Sivavaraprasad, Devanaboyina Venkata Ratnam
Implementation of Hybrid Deep Learning Model (LSTM-CNN) for Ionospheric TEC Forecasting Using GPS Data. IEEE Geosci. Remote. Sens. Lett. 18 (6) (2021)
P. Babu Sree Harsha, Devanaboyina Venkata Ratnam
Generation of Regional Ionospheric TEC Maps With EIA Nowcasting/Forecasting Capability During Geomagnetic Storm Conditions. IEEE Access 8 (2020)
Babu Sree Harsha Pasumarthi, Devanaboyina Venkata Ratnam, P. R. Sinha, D. K. Ojha, B. Suneel Kumar
March 2015 days. WiSEE (2020)
Kondaveeti Siva Krishna, Devanaboyina Venkata Ratnam, Miriyala Sridhar, P. Babu Sree Harsha, Gampala Sivavaraprasad
Performance Evaluation of Adjusted Spherical Harmonics Ionospheric Model Over Indian Region. IEEE Access 8 (2020)
I. Lakshmi Mallika, Devanaboyina Venkata Ratnam, Saravana Raman, Gampala Sivavaraprasad
A New Ionospheric Model for Single Frequency GNSS User Applications Using Klobuchar Model Driven by Auto Regressive Moving Average (SAKARMA) Method Over Indian Region. IEEE Access 8 (2020)
Nuli Namassivaya, Surendra Pal, Devanaboyina Venkata Ratnam
Modelling of FPGA-Particle Swarm Optimized GNSS Receiver for Satellite Applications. Wirel. Pers. Commun. 106 (2) (2019)
Shafi Shaik, Devanaboyina Venkata Ratnam
A Cross Layer Cluster Based Routing Approach for Efficient Multimedia Data Dissemination with Improved Reliability in VANETs. Wirel. Pers. Commun. 107 (4) (2019)
I. Lakshmi Mallika, Devanaboyina Venkata Ratnam, Yuichi Ostuka, Gampala Sivavaraprasad, Saravana Raman
Implementation of Hybrid Ionospheric TEC Forecasting Algorithm Using PCA-NN Method. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12 (1) (2019)
I. Srivani, Gampala Siva Vara Prasad, Devanaboyina Venkata Ratnam
A Deep Learning-Based Approach to Forecast Ionospheric Delays for GPS Signals. IEEE Geosci. Remote. Sens. Lett. 16 (8) (2019)
Shafi Shaik, Devanaboyina Venkata Ratnam, B. N. Bhandari
An Efficient Cross Layer Routing Protocol for Safety Message Dissemination in VANETS with Reduced Routing Cost and Delay Using IEEE 802.11p. Wirel. Pers. Commun. 100 (4) (2018)
Devanaboyina Venkata Ratnam, T. Raghavendra Vishnu, P. Babu Sree Harsha
Ionospheric Gradients Estimation and Analysis of S-Band Navigation Signals for NAVIC System. IEEE Access 6 (2018)
Devanaboyina Venkata Ratnam, J. R. K. Kumar Dabbakuti, N. V. V. N. J. Sri Lakshmi
Improvement of Indian-Regional Klobuchar Ionospheric Model Parameters for Single-Frequency GNSS Users. IEEE Geosci. Remote. Sens. Lett. 15 (7) (2018)
Swapna Raghunath, Devanaboyina Venkata Ratnam
Maximum-Minimum Eigen Detector for Ionospheric Irregularities Over Low-Latitude Region. IEEE Geosci. Remote. Sens. Lett. 14 (6) (2017)
Sreevardhan Cheerla, Devanaboyina Venkata Ratnam, S. Ratna Meghana, V. M. S. Vishnu Varma, S. K. Altaf Hussain, K. Jaya Sai Sravanth
Pathloss Study for 61 GHZ Wave D2D Communications in Indoor Environment. Wirel. Pers. Commun. 97 (1) (2017)
Devanaboyina Venkata Ratnam, J. R. K. Kumar Dabbakuti, Surendra Sunda
Modeling of Ionospheric Time Delays Based on a Multishell Spherical Harmonics Function Approach. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 10 (12) (2017)
Gampala Sivavaraprasad, R. Sree Padmaja, Devanaboyina Venkata Ratnam
Mitigation of Ionospheric Scintillation Effects on GNSS Signals Using Variational Mode Decomposition. IEEE Geosci. Remote. Sens. Lett. 14 (3) (2017)
P. Babu Sree Harsha, Devanaboyina Venkata Ratnam
Implementation of Advanced Carrier Tracking Algorithm Using Adaptive-Extended Kalman Filter for GNSS Receivers. IEEE Geosci. Remote. Sens. Lett. 13 (9) (2016)
Swapna Raghunath, Devanaboyina Venkata Ratnam
Ionospheric Spatial Gradient Detector Based on GLRT Using GNSS Observations. IEEE Geosci. Remote. Sens. Lett. 13 (6) (2016)
Miriyala Sridhar, K. Padma Raju, Ch. Srinivasa Rao, Devanaboyina Venkata Ratnam
Mitigation of ionospheric scintillations for GPS signals under geomagnetic storm conditions using LMS adaptive filter. Int. J. Inf. Commun. Technol. 9 (4) (2016)
Swapna Raghunath, Devanaboyina Venkata Ratnam
Detection of Low-Latitude Ionospheric Irregularities From GNSS Observations. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 8 (11) (2015)
Devanaboyina Venkata Ratnam, A. D. Sarma
Modeling of Low-Latitude Ionosphere Using GPS Data With SHF Model. IEEE Trans. Geosci. Remote. Sens. 50 (3) (2012)