Engineering Secure & Intelligent Next-Gen Ecosystems

Navalogy is an open-source Research & Development collective optimizing the interplay between distributed system architectures, network edge orchestration, and bio-inspired data systems.

Core Research Domains

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IoMT & Smart Healthcare Infrastructure

Building high-availability frameworks for predictive remote patient care. Focusing heavily on decentralized fog scheduling, multi-parametric anomaly classification, and minimizing telemetry latency metrics.

Edge Computing Predictive Diagnostics Fog Orchestration
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Software-Defined Network Security

Reinforcing programmatic networking fabrics against malicious manipulation. Our primary target sets isolate data-plane threats, mitigating complex SDN-targeted DDoS surges and guaranteeing controller state integrity.

SDN OpenFlow Protection DDoS Mitigation
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Decentralized Ledger Cryptography

Weaponizing smart contract infrastructure for zero-trust authorization systems. Moving past transactional validation to engineer multi-stage validation, programmatic cross-domain handshakes, and strict flow integrity verification.

Smart Contracts Chaincode Security Trustless Handshakes

RF Energy Harvesting & Efficiency

Optimizing the lifecycle sustainability of constrained computational devices. Engineering closed-loop reinforcement engines to balance active physical sampling against micro-watt ambient energy accumulation.

RF Harvesting Deep Q-Learning Resource Optimization

Published Works & Artifacts

📅 2026 📈 SN Computer Science 7 (6), 631
A Hybrid Framework for Energy-Efficient Sensor Management in RF-Powered IoMT Systems
A Roy, H Deka, N Medhi
Combines data forecasting with reinforcement learning (Double Deep Q-Networks) to dynamically schedule resource states and harvest ambient Radio Frequency signals cleanly.
📅 2026 📈 Cluster Computing 29 (5), 328
EDFS: Election-based decentralized fog scheduling for IoMT
R Ghosh, P Das, K Ray, VK Deka, TL Dutta, N Medhi
Implements a voting-based distribution configuration to balance incoming real-time sensor streams across resource-constrained edge-fog installations.
📅 2026 📈 Journal of Network and Systems Management 34 (1), 1-32
Cross-DistBlock: Blockchain-Enabled Multi-stage Flow Verification in Multi-domain Software-Defined Networks
B Bargayary, N Medhi
Engineers an immutable multi-stage security validation (digital signature, non-rogue selection, voting consensus) running inside secure distributed ledger controllers.
📅 2025 📈 IEEE International Conference on Advanced Networks
Early Pneumonia Risk Prediction using Internet of Medical Things and Machine Learning Techniques
H Neog, N Medhi, R Radhakrishnan, P Chakravarty
Deploys localized supervised intelligence frameworks across physical sensor hubs to automatically parse biometric criteria for early lung inflammation trends.
📅 2025 📈 GLOBECOM 2025 - IEEE Global Communications Conference, 679-684
BReD: β-Distribution-Based Reputation for DDoS Attack Detection and Mitigation using SDN in VSNs
P Das, N Medhi, S Aziz, H Mahla, R Ghosh, K Ray, S Misra
Establishes dynamic beta-distribution verification curves to calculate vehicle node malicious anomalies and isolate SDN control flooding vectors quickly.
📅 2024 📈 Journal of Network and Systems Management 32 (4), 66
Sdblock-iot: a blockchain-enabled software-defined multicontroller architecture to safeguard openflow tables
B Bargayary, N Medhi
Protects the structural reliability of hardware OpenFlow translation switches against unauthorized modifications using an interleaved consensus scheme.
📅 2024 📈 Cluster Computing 27 (4), 4569-4588
Preserving flow table integrity in OpenFlow networks through smart contract
B Bargayary, N Medhi
Leverages stateful crypto contracts to dynamically police active flow directives across routing switches, mitigating false rule insertion threats.
📅 2023 📈 GLOBECOM 2023 - IEEE Global Communications Conference, 510-515
RISP-SDN: Reputation aware IoMT service provisioning using SDN in edge/fog-based systems
K Ray, N Medhi, R Ghosh, P Das, VK Deka, S Misra
Monitors computing node performance histories using software controllers to guarantee high-availability service pathing for sensitive vital stats tracking.
📅 2023 📈 IEEE International Conference on Communications Workshops (ICC)
Performances of M2M Protocols in Internet of Medical Things
K Das, TL Dutta, K Ray, R Ghosh, D Goswami, A Dey, P Phukan, P Das, N Medhi
Provides empirical tracking and metrics analysis for M2M structures (MQTT/CoAP) handling critical healthcare streaming inside restrictive packet frameworks.
📅 2023 📈 4th International Conference on Computing and Communication Systems
A blockchain-assisted authentication for SDN-IoT network using smart contract
B Bargayary, N Medhi
Builds an autonomous edge validation perimeter using distributed ledgers to stop illegal network controller intrusions before they occur.
📅 2023 📈 International Conference on Information Technology, 1-11
A Radio Frequency-Based Energy Harvesting Model for IoMT Device
A Roy, N Tahseen, N Medhi
Engineers an architectural tracking schematic for low-power medical wearables to harvest power directly from environmental ambient microwave fields.
📅 2022 📈 Smart Health 26, 100322
Health condition prediction and covid risk detection using healthcare 4.0 techniques
H Neog, PE Dutta, N Medhi
Combines neural networks (LSTM) and Markov models to evaluate incoming body diagnostics for localized disease risk screening.
📅 2022 📈 2022 IEEE 19th India Council International Conference (INDICON), 1-6
Throughput prediction in smart healthcare network using machine learning approaches
P Bardalai, H Neog, PE Dutta, N Medhi, SK Deka
Applies predictive traffic models to avoid network packet collision and ensure stable throughput during telemetry strain events.
📅 2022 📈 IEEE INFOCOM Workshops
Resource aware fog based remote health monitoring system
DH Barbhuiya, A Dey, R Ghosh, K Das, K Ray, N Medhi
Balances processing tasks between near-user node hubs and cloud architectures to maintain low latency for time-critical clinical alerts.
📅 2021 📈 2021 IEEE Globecom Workshops, 1-6
Health monitoring in Internet of Medical Things (IoMT) using machine learning (ML) approaches
PE Dutta, H Neog, N Medhi
Evaluates machine learning classification setups to safely distinguish critical vs normal physiological indicators on streaming patient hardware.