As an emerging technology in the era of Industry 4.0, digital twin is gaining unprecedented
attention because of its promise to further optimize process design, quality control, health …

This paper presents energy-efficient solutions for wireless sensor systems intended for the
monitoring of water quality at water stations. Energy problems, such as energy scarcity and …

The application of long-range communication technologies such as LoRa to certain
environments like smart cities/industries is a natural step forward towards the future IoT …

Wireless sensor networks are composed of nodes that monitor the environment and send
their measurements to a base station. Due to the reduced computational and energetical …

Wireless sensor network (WSN) deployment is an intensive field of research. In this paper,
we propose a novel approach based on machine learning (ML) and metaheuristics (MH) for …

Node deployment is a matter of considerable concern in designing wireless sensor networks
(WSNs). This paper studies this issue in the context of rechargeable WSNs (RWSNs). We …

Purpose Cross-layer approach in media access control (MAC) layer will address
interference and jamming problems. Hybrid distributed MAC can be used for simultaneous …

Compared with the two-dimensional deployment, the three-dimensional deployment of
sensor networks is more challenging. We studied the problem of 3D repositioning of sensor …

Target coverage and network lifetime extension have been addressed as two major
research topics over the last two decades. This paper focuses on “target Q-Coverage” in …

Abstract Wideband and agile Spectrum Estimation (SE) is a fundamental component of the
Cognitive Radio (CR) system. However, CR systems generally utilize the classical sensing …