Devanaboyina Venkata Ratnam

According to our database, Devanaboyina Venkata Ratnam authored at least 36 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Advances in GNSS Positioning and GNSS Remote Sensing.

Yury Yasyukevich, Baocheng Zhang, Devanaboyina Venkata Ratnam

Sensors, February, 2024

Statistical Analysis of Global and Regional Ionospheric Total Electron Content (TEC) Using Extreme Value Distributions.

Suneetha Emmela, Devanaboyina Venkata Ratnam, Yuichi Otsuka, Atsuki Shinbori, Takuya Sori, Michi Nishioka, Septi Perwitasari

IEEE Trans. Geosci. Remote. Sens., 2024

2023

New Energy Aware MPR Selection for Securing OLSR Routing Scheme Under Black Hole Attack: A Machine Learning Approach.

Shafi Shaik, Devanaboyina Venkata Ratnam

Wirel. Pers. Commun., October, 2023

Ant-Colony Optimization Based Energy Aware Cross Layer Routing Protocol to Improve Route Reliability in MANETs.

Shafi Shaik, Devanaboyina Venkata Ratnam

Wirel. Pers. Commun., April, 2023

Machine learning based object-level crop classification of PlanetScope data at South India Basin.

D. Bhavana, N. Likhita, G. V. Madhumitha, Devanaboyina Venkata Ratnam

Earth Sci. Informatics, March, 2023

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).

Suneetha Emmela, Devanaboyina Venkata Ratnam, Yuichi Otsuka, Atsuki Shinbori, Takuya Sori, Michi Nishioka, Septi Perwitasari

IEEE Geosci. Remote. Sens. Lett., 2023

2022

An Efficient Cross Layer Design of Stability Based Clustering Scheme Using Ant Colony Optimization in VANETs.

Shafi Shaik, Devanaboyina Venkata Ratnam

Wirel. Pers. Commun., 2022

A Bidirectional Deep-Learning Algorithm to Forecast Regional Ionospheric TEC Maps.

Kondaveeti Sivakrishna, Devanaboyina Venkata Ratnam, Gampala Sivavaraprasad

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022

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.

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

Remote. Sens., 2022

A trust based energy and mobility aware routing protocol to improve infotainment services in VANETs.

Shafi Shaik, Devanaboyina Venkata Ratnam

Peer-to-Peer Netw. Appl., 2022

A Bidirectional Long Short-Term Memory-Based Ionospheric foF2 and hmF2 Models for a Single Station in the Low Latitude Region.

T. Venkateswara Rao, Miriyala Sridhar, Devanaboyina Venkata Ratnam, P. Babu Sree Harsha, I. Srivani

IEEE Geosci. Remote. Sens. Lett., 2022

Automatic Detection of GNSS Ionospheric Scintillation Based on Extreme Gradient Boosting Technique.

Abhijit Dey, Manhal Rahman, Devanaboyina Venkata Ratnam, Nitin Sharma

IEEE Geosci. Remote. Sens. Lett., 2022

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.

Swamy KCT, Devanaboyina Venkata Ratnam, Towseef Ahmed Shaik

Int. J. Satell. Commun. Netw., 2022

An Automatic CADI's Ionogram Scaling Software Tool for Large Ionograms Data Analytics.

T. Venkateswara Rao, Miriyala Sridhar, Devanaboyina Venkata Ratnam

IEEE Access, 2022

2021

Performance Analysis of Machine Learning Algorithms for Smartphone-Based Human Activity Recognition.

N. C. Sri Harsha, Y. Girish Venkata Sai Anudeep, Kudarvalli Vikash, Devanaboyina Venkata Ratnam

Wirel. Pers. Commun., 2021

Implementation of Hybrid Deep Learning Model (LSTM-CNN) for Ionospheric TEC Forecasting Using GPS Data.

Adarsha Ruwali, A. J. Sravan Kumar, Kolla Bhanu Prakash, Gampala Sivavaraprasad, Devanaboyina Venkata Ratnam

IEEE Geosci. Remote. Sens. Lett., 2021

2020

A New Ionospheric Model for Single Frequency GNSS User Applications Using Klobuchar Model Driven by Auto Regressive Moving Average (SAKARMA) Method Over Indian Region.

I. Lakshmi Mallika, Devanaboyina Venkata Ratnam, Saravana Raman, Gampala Sivavaraprasad

IEEE Access, 2020

Performance Evaluation of Adjusted Spherical Harmonics Ionospheric Model Over Indian Region.

Kondaveeti Sivakrishna, Devanaboyina Venkata Ratnam, Miriyala Sridhar, P. Babu Sree Harsha, Gampala Sivavaraprasad

IEEE Access, 2020

Generation of Regional Ionospheric TEC Maps With EIA Nowcasting/Forecasting Capability During Geomagnetic Storm Conditions.

P. Babu Sree Harsha, Devanaboyina Venkata Ratnam

IEEE Access, 2020

Regional ionospheric TEC data assimilation and forecasting during geomagnetic storm conditions for 17^th and 18^th March 2015 days.

Babu Sree Harsha Pasumarthi, Devanaboyina Venkata Ratnam, P. R. Sinha, Devendra K. Ojha, B. Suneel Kumar

Proceedings of the 8th IEEE International Conference on Wireless for Space and Extreme Environments, 2020

2019

A Cross Layer Cluster Based Routing Approach for Efficient Multimedia Data Dissemination with Improved Reliability in VANETs.

Shafi Shaik, Devanaboyina Venkata Ratnam

Wirel. Pers. Commun., 2019

Modelling of FPGA-Particle Swarm Optimized GNSS Receiver for Satellite Applications.

Nuli Namassivaya, Surendra Pal, Devanaboyina Venkata Ratnam

Wirel. Pers. Commun., 2019

Implementation of Hybrid Ionospheric TEC Forecasting Algorithm Using PCA-NN Method.

I. Lakshmi Mallika, Devanaboyina Venkata Ratnam, Yuichi Otsuka, Gampala Sivavaraprasad, Saravana Raman

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

A Deep Learning-Based Approach to Forecast Ionospheric Delays for GPS Signals.

I. Srivani, Gampala Siva Vara Prasad, Devanaboyina Venkata Ratnam

IEEE Geosci. Remote. Sens. Lett., 2019

2018

An Efficient Cross Layer Routing Protocol for Safety Message Dissemination in VANETS with Reduced Routing Cost and Delay Using IEEE 802.11p.

Shafi Shaik, Devanaboyina Venkata Ratnam, B. N. Bhandari

Wirel. Pers. Commun., 2018

Improvement of Indian-Regional Klobuchar Ionospheric Model Parameters for Single-Frequency GNSS Users.

Devanaboyina Venkata Ratnam, J. R. K. Kumar Dabbakuti, N. V. V. N. J. Sri Lakshmi

IEEE Geosci. Remote. Sens. Lett., 2018

Ionospheric Gradients Estimation and Analysis of S-Band Navigation Signals for NAVIC System.

Devanaboyina Venkata Ratnam, T. Raghavendra Vishnu, P. Babu Sree Harsha

IEEE Access, 2018

2017

Pathloss Study for 61 GHZ Wave D2D Communications in Indoor Environment.

Sreevardhan Cheerla, Devanaboyina Venkata Ratnam, S. Ratna Meghana, V. M. S. Vishnu Varma, S. K. Altaf Hussain, K. Jaya Sai Sravanth

Wirel. Pers. Commun., 2017

Modeling of Ionospheric Time Delays Based on a Multishell Spherical Harmonics Function Approach.

Devanaboyina Venkata Ratnam, J. R. K. Kumar Dabbakuti, Surendra Sunda

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2017

Mitigation of Ionospheric Scintillation Effects on GNSS Signals Using Variational Mode Decomposition.

Gampala Sivavaraprasad, R. Sree Padmaja, Devanaboyina Venkata Ratnam

IEEE Geosci. Remote. Sens. Lett., 2017

Maximum-Minimum Eigen Detector for Ionospheric Irregularities Over Low-Latitude Region.

Swapna Raghunath, Devanaboyina Venkata Ratnam

IEEE Geosci. Remote. Sens. Lett., 2017

2016

Ionospheric Spatial Gradient Detector Based on GLRT Using GNSS Observations.

Swapna Raghunath, Devanaboyina Venkata Ratnam

IEEE Geosci. Remote. Sens. Lett., 2016

Implementation of Advanced Carrier Tracking Algorithm Using Adaptive-Extended Kalman Filter for GNSS Receivers.

P. Babu Sree Harsha, Devanaboyina Venkata Ratnam

IEEE Geosci. Remote. Sens. Lett., 2016

Mitigation of ionospheric scintillations for GPS signals under geomagnetic storm conditions using LMS adaptive filter.

Miriyala Sridhar, K. Padma Raju, Ch. Srinivasa Rao, Devanaboyina Venkata Ratnam

Int. J. Inf. Commun. Technol., 2016

2015

Detection of Low-Latitude Ionospheric Irregularities From GNSS Observations.

Swapna Raghunath, Devanaboyina Venkata Ratnam

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015

2012

Modeling of Low-Latitude Ionosphere Using GPS Data With SHF Model.

Devanaboyina Venkata Ratnam, A. D. Sarma

IEEE Trans. Geosci. Remote. Sens., 2012