activity
20232026
most citedOptimizing Version AoI in Energy-Harvesting IoT: Model-Based and Learning-Based Approaches

1 citations · 1 across the 8 of their papers we have counts for

collaborators

11 papers

eess.SP2026

Adaptive Predictive Sampling and Communication for Real-time Monitoring

Erfan Delfani, Nikolaos Pappas

We propose an adaptive predictive sampling and communication framework for real-time remote monitoring over packet-erasure channels. Rather than relying on a prescribed dynamical m…

cs.NI2026

Version-Aware Communication in Multi-Hop IoT Networks with Feedback

Erfan Delfani, Nikolaos Pappas

Timely communication of information in Internet of Things (IoT) networks is critical to enhancing system performance and energy efficiency by minimizing the transmission of outdate…

cs.IT2025

From Information Freshness to Semantics of Information and Goal-oriented Communications

Jiping Luo, Erfan Delfani, Mehrdad Salimnejad +1

Future wireless networks must support real-time, data-driven cyber-physical systems in which communication is tightly coupled with sensing, inference, control, and decision-making.…

cs.NI2025★ 1 cited

Optimizing Version AoI in Energy-Harvesting IoT: Model-Based and Learning-Based Approaches

Erfan Delfani, Nikolaos Pappas

Efficient data transmission in resource-constrained Internet of Things (IoT) systems requires semantics-aware management that maximizes the delivery of timely and informative data.…

cs.NI2025

From Timestamps to Versions: Version AoI in Single- and Multi-Hop Networks

Erfan Delfani, Nikolaos Pappas

Timely and informative data dissemination in communication networks is essential for enhancing system performance and energy efficiency, as it reduces the transmission of outdated…

cs.NI2025

Semantics-Aware Unified Terrestrial Non-Terrestrial 6G Networks

Erfan Delfani, Agapi Mesodiakaki, Leandros Tassiulas +1

The integration of Terrestrial and Non-Terrestrial Networks (TN-NTNs), introduced in 5G, is advancing toward a unified and seamless network of networks in Sixth-Generation (6G). Th…

cs.NI2025

Semantics-Aware Updates from Remote Energy Harvesting Devices to Interconnected LEO Satellites

Erfan Delfani, Nikolaos Pappas

Providing timely and informative data in integrated terrestrial and non-terrestrial networks is critical as data volume grows while the resources available on devices remain limite…

cs.IT2024

From AoI to QVAoI: Query-Based Semantics-Aware Scheduling for Energy-Harvesting IoT Systems

Erfan Delfani, Nikolaos Pappas

In this work, we study the freshness and significance of information in an IoT status update system in which an Energy Harvesting (EH) device samples an information source and forw…

cs.IT2024

Optimizing Information Freshness in IoT Systems with Update Rate Constraints: A Token-Based Approach

Erfan Delfani, Nikolaos Pappas

In Internet of Things (IoT) status update systems, where information is sampled and subsequently transmitted from a source to a destination node, the imperative necessity lies in m…

cs.IT2024

State-Aware Timeliness in Energy Harvesting IoT Systems Monitoring a Markovian Source

Erfan Delfani, George J. Stamatakis, Nikolaos Pappas

In this study, we investigate the optimal transmission policies within an energy harvesting status update system, where the demand for status updates depends on the state of the so…

cs.IT2023

Version Age-Optimal Cached Status Updates in a Gossiping Network with Energy Harvesting Sensor

Erfan Delfani, Nikolaos Pappas

In this work, we consider a real-time IoT monitoring system in which an energy harvesting sensor with a finite-size battery measures a physical process and transmits the status upd…