Hybrid PSO-GSA for energy efficient spectrum sensing in cognitive radio network. - Geoffrey Eappen; Shankar Thangavelu (Phys. Commun., 2020)

A Survey on Soft Computing Techniques for Spectrum Sensing in a Cognitive Radio Network. - Geoffrey Eappen; Shankar Thangavelu (SN Comput. Sci., 2020)

Advanced squirrel algorithm-trained neural network for efficient spectrum sensing in cognitive radio-based air traffic control application. - Geoffrey Eappen; Shankar Thangavelu; Rajagopal Nilavalan (IET Commun., 2021)

Joint Linear Precoding and DFT Beamforming Design for Massive MIMO Satellite Communication. - Vu Nguyen Ha; Zaid Abdullah; Geoffrey Eappen; Juan Carlos Merlano Duncan; Rakesh Palisetty; Jorge Luis González Rios; Wallace Alves Martins; Hong-Fu Chou; Juan Andres Vasquez; Luis Manuel Garcés Socarrás; Haythem Chaker; Symeon Chatzinotas (GLOBECOM (Workshops), 2022)

Wide-Beamwidth Circular Polarized Antenna for Diversity Combining Applications. - Juan Andrés Vásquez-Peralvo; Juan Carlos Merlano Duncan; Rakesh Palisetty; Vibhum Singh; Geoffrey Eappen; Jorge Luis González Rios (GLOBECOM (Workshops), 2022)

Area-Power Analysis of FFT Based Digital Beamforming for GEO, MEO, and LEO Scenarios. - Rakesh Palisetty; Geoffrey Eappen; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Stavros G. Domouchtsidis; Symeon Chatzinotas; Björn E. Ottersten; Bingen Cortazar; Salvatore D'Addio; Piero Angeletti (VTC Spring, 2022)

Cooperative relay spectrum sensing for cognitive radio network: Mutated MWOA-SNN approach. - Geoffrey Eappen; Shankar Thangavelu; Rajagopal Nilavalan (Appl. Soft Comput., 2022)

Deep learning integrated reinforcement learning for adaptive beamforming in B5G networks. - Geoffrey Eappen; John Cosmas; Shankar Thangavelu; A. Rajesh 001; Rajagopal Nilavalan; Joji Thomas (IET Commun., 2022)

On the Performance of Cache-Free/Cache-Aided STBC-NOMA in Cognitive Hybrid Satellite-Terrestrial Networks. - Vibhum Singh; Sourabh Solanki; Geoffrey Eappen; Rakesh Palisetty; Thang X. Vu; Juan Carlos Merlano Duncan; Symeon Chatzinotas; Björn E. Ottersten (IEEE Wirel. Commun. Lett., 2022)

CNN-Based on-Board Interference Detection in Satellite Systems: AN Analysis of Dataset Impact on Performance. - Saed Daoud; Geoffrey Eappen; Flor G. Ortiz-Gomez; Eva Lagunas; Wallace A. Martins; Symeon Chatzinotas (ICASSP Workshops, 2023)

Harnessing the Power of Swarm Satellite Networks with Wideband Distributed Beamforming. - Juan Carlos Merlano Duncan; Vu Nguyen Ha; Jevgenij Krivochiza; Rakesh Palisetty; Geoffrey Eappen; Juan Andres Vasquez; Wallace Alves Martins; Symeon Chatzinotas; Björn E. Ottersten (PIMRC, 2023)

FPGA Implementation of Efficient Beamformer for On-Board Processing in MEO Satellites. - Rakesh Palisetty; Luis Manuel Garcés Socarrás; Haythem Chaker; Vibhum Singh; Geoffrey Eappen; Wallace Alves Martins; Vu Nguyen Ha; Juan Andrés Vásquez-Peralvo; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Symeon Chatzinotas; Björn E. Ottersten; et al. (PIMRC, 2023)

Satellite Swarms for Narrow Beamwidth Applications. - Juan Andrés Vásquez-Peralvo; Juan Carlos Merlano Duncan; Geoffrey Eappen; Symeon Chatzinotas (PIMRC, 2023)

FPGA Implementation of Efficient 2D-FFT Beamforming for On-Board Processing in Satellites. - Rakesh Palisetty; Geoffrey Eappen; Vibhum Singh; Luis Manuel Garcés Socarrás; Vu Nguyen Ha; Juan Andrés Vásquez-Peralvo; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Wallace Alves Martins; Symeon Chatzinotas; Björn E. Ottersten; Adem Coskun; et al. (VTC Fall, 2023)

Energy-Efficient On-Board Radio Resource Management for Satellite Communications via Neuromorphic Computing. - Flor Ortiz; Nicolas Skatchkovsky; Eva Lagunas; Wallace A. Martins; Geoffrey Eappen; Saed Daoud; Osvaldo Simeone; Bipin Rajendran; Symeon Chatzinotas (CoRR, 2023)

Visible Light Positioning With Lens Compensation for Non-Lambertian Emission. - Ben Meunier; John Cosmas; Kareem Ali; Nawar Jawad; Geoffrey Eappen; Xun Zhang 002; Hongxiu Zhao; Wei Li 135; Hequn Zhang (IEEE Trans. Broadcast., 2023)

Mutated Beamforming for Cognitive Radio 5G Relay Network. - Geoffrey Eappen; Shankar Thangavelu; Rajagopal Nilavalan; A. Rajesh 001 (IEEE Syst. J., 2023)

User-Centric Beam Selection and Precoding Design for Coordinated Multiple-Satellite Systems. - Vu Nguyen Ha; Duy H. N. Nguyen; Juan Carlos Merlano Duncan; Jorge Luis González Rios; Juan Andrés Vásquez-Peralvo; Geoffrey Eappen; Luis Manuel Garcés Socarrás; Rakesh Palisetty; Symeon Chatzinotas; Björn E. Ottersten (PIMRC, 2024)

Satellite Adaptive Onboard Beamforming Using Neuromorphic Processors. - Wallace A. Martins; Eva Lagunas; Nicolas Skatchkovsky; Flor Ortiz; Geoffrey Eappen; Osvaldo Simeone; Bipin Rajendran; Symeon Chatzinotas (PIMRC, 2024)

Edge AI Empowered Physical Layer Security for 6G NTN: Potential Threats and Future Opportunities. - Hong-Fu Chou; Sourabh Solanki; Vu Nguyen Ha; Lin Chen 045; Sean Longyu Ma; Hayder Al-Hraishawi; Geoffrey Eappen; Symeon Chatzinotas (CoRR, 2024)

On-board Satellite Image Classification for Earth Observation: A Comparative Study of Pre-Trained Vision Transformer Models. - Thanh-Dung Le; Vu Nguyen Ha; Ti Ti Nguyen; Geoffrey Eappen; Prabhu K. Thiruvasagam; Luis Manuel Garcés Socarrás; Hong-Fu Chou; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Symeon Chatzinotas (CoRR, 2024)

On-Air Deep Learning Integrated Semantic Inference Models for Enhanced Earth Observation Satellite Networks. - Hong-Fu Chou; Vu Nguyen Ha; Prabhu K. Thiruvasagam; Thanh-Dung Le; Geoffrey Eappen; Ti Ti Nguyen; Luis Manuel Garcés Socarrás; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Symeon Chatzinotas (CoRR, 2024)

Cognitive Semantic Augmentation LEO Satellite Networks for Earth Observation. - Hong-Fu Chou; Vu Nguyen Ha; Prabhu K. Thiruvasagam; Thanh-Dung Le; Geoffrey Eappen; Ti Ti Nguyen; Duc-Dung Tran; Luis Manuel Garcés Socarrás; Juan Carlos Merlano Duncan; Symeon Chatzinotas (CoRR, 2024)

Semantic Knowledge Distillation for Onboard Satellite Earth Observation Image Classification. - Thanh-Dung Le; Vu Nguyen Ha; Ti Ti Nguyen; Geoffrey Eappen; Prabhu K. Thiruvasagam; Hong-Fu Chou; Duc-Dung Tran; Luis Manuel Garcés Socarrás; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Symeon Chatzinotas (CoRR, 2024)

Diversity Combining Scheme for Time-Varying STBC NGSO Multi-Satellite Systems. - Vibhum Singh; Geoffrey Eappen; Wallace A. Martins; Rakesh Palisetty; Carlos Luis Marcos Rojas; Jorge Luis González Rios; Juan Andrés Vásquez-Peralvo; Jevgenij Krivochiza; Juan Carlos Merlano Duncan; Luis Manuel Garcés Socarrás; Symeon Chatzinotas; Björn E. Ottersten (IEEE Commun. Lett., 2024)

Performance Evaluation of Neuromorphic Hardware for Onboard Satellite Communication Applications. - Eva Lagunas; Flor G. Ortiz-Gomez; Geoffrey Eappen; Saed Daoud; Wallace A. Martins; Jorge Querol; Symeon Chatzinotas; Nicolas Skatchkovsky; Bipin Rajendran; Osvaldo Simeone (IEEE Wirel. Commun., 2024)

Efficient Digital Beamforming for Satellite Payloads Using a 2D FFT-Based Parallel Architecture. - Luis Manuel Garcés Socarrás; Jorge Luis González Rios; Rakesh Palisetty; Raudel Cuiman; Vu Nguyen Ha; Juan Andrés Vásquez-Peralvo; Geoffrey Eappen; Ti Ti Nguyen; Juan Carlos Merlano Duncan; Symeon Chatzinotas; Björn E. Ottersten; Calos L. Marcos; et al. (ISCAS, 2025)

A Semantic-Loss Function Modeling Framework With Task-Oriented Machine Learning Perspectives. - Ti Ti Nguyen; Thanh-Dung Le; Vu Nguyen Ha; Hong-Fu Chou; Geoffrey Eappen; Duc-Dung Tran; Hung Nguyen-Kha; Prabhu Thiruvasagam; Luis Manuel Garcés Socarrás; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Symeon Chatzinotas (CoRR, 2025)