Results 41 to 50 of about 733 (161)

Automatic Key Update Mechanism for Lightweight M2M Communication and Enhancement of IoT Security: A Case Study of CoAP Using Libcoap Library

Sensors, 2022
The ecosystem for an Internet of Things (IoT) generally comprises endpoint clients, network devices, and cloud servers. Thus, data transfers within the network present multiple security concerns.
Wen-Chung Tsai, Tzu-Hsuan Tsai, Te-Jen Wang, Mao-Lun Chiang   +3 more
doaj   +1 more source

A Review of the Internet of Things (IoT) Landscape: Technologies, Applications, and Open Challenges

Journal of Electrical and Computer Engineering, Volume 2026, Issue 1, 2026.
The Internet of Things (IoT) has emerged as a large‐scale ecosystem that integrates sensing, communication, and computation across diverse application domains. Its deployment spans smart homes, wearable devices, industrial automation, and smart cities, where heterogeneous devices are required to operate under strict performance, reliability, and ...
Sidna Jeddou, Luis Diez, Amine Baina, Najid Abdellah, Ramón Agüero, Deepali   +5 more
wiley   +1 more source

Congestion Control in Constrained Application Protocol for the Internet of Things: State-of-the-Art, Challenges, and Future Directions

IEEE Access
The rapid development of smart sensors has enabled the integration of wireless sensor networks (WSNs) with the Internet. The emergence of the Internet of Things (IoT) represents a significant paradigm shift, with WSNs remaining essential to its framework.
Godfrey A. Akpakwu, Topside E. Mathonsi, Tshimangadzo M. Tshilongamulenzhe, Solly P. Maswikaneng, Tonderai Muchenje   +4 more
doaj   +1 more source

Ecological Environment Monitoring of Open Pit Abandoned Mines Combining Internet of Things and Improved Ant Colony Optimization

Engineering Reports, Volume 7, Issue 11, November 2025.
An IoT‐based monitoring system for open pit abandoned mines integrates an improved ant colony optimization algorithm to optimize sensor deployment and routing, reducing energy consumption by over 40% and extending network lifetime by more than 60%, providing robust real‐time data for ecological restoration decisions.
Gang Zhang, Yongfeng Gong, Xiaofeng He, Guorui Wang, Zhiyong Hu, Hui Wang   +5 more
wiley   +1 more source

CoAP/DTLS Protocols in IoT Based on Blockchain Light Certificate

IoT
The Internet of Things (IoT) is expanding rapidly, but the security of IoT devices remains a noteworthy concern due to resource limitations and existing security conventions. This research investigates and proposes the use of a Light certificate with the
David Khoury, Samir Haddad, Patrick Sondi, Patrick Balian, Hassan Harb, Kassem Danach, Joseph Merhej, Jinane Sayah   +7 more
doaj   +1 more source

Lightweight CoAP-Based Bootstrapping Service for the Internet of Things

Sensors, 2016
The Internet of Things (IoT) is becoming increasingly important in several fields of industrial applications and personal applications, such as medical e-health, smart cities, etc.
Dan Garcia-Carrillo, Rafael Marin-Lopez
doaj   +1 more source

Queue‐Aware Congestion Avoidance in IoHT: Enabling Future Integration With Large Models for Transmission Optimization

Internet Technology Letters, Volume 8, Issue 6, November/December 2025.
ABSTRACT The internet of healthcare things (IoHT) has advanced considerably, improving healthcare operations and patient monitoring by continuously collecting data from health sensors attached to patients. Current congestion detection techniques are insufficient for early detection since senders often remain unaware of the size of the residual queue ...
Muhammad Zafarullah, Ata Ullah, Fazli Subhan, Sajjad A. Ghauri, Mazliham Mohd Suud, M. Mansoor Alam   +5 more
wiley   +1 more source

An information interaction method for smart mine

Gong-kuang zidonghua, 2020
In view of 'information island' problem which is common in coal mines, a smart mine information interaction method based on resource model and constrained application protocol (CoAP) was proposed from practical point of view.
HU Wentao, ZHUO Minmin, ZHAO Lichang, ZHANG Xiaoguang   +3 more
doaj   +1 more source

Securing the Future: Lightweight Blockchain Solutions for IIoT and IoT Networks

SECURITY AND PRIVACY, Volume 8, Issue 4, July/August 2025.
ABSTRACT This paper presents an innovative lightweight blockchain architecture tailored for Internet of Things (IoT) and Industrial Internet of Things (IIoT) applications. Building upon Byzantine Fault Tolerance (BFT) and Directed Acyclic Graph (DAG) technologies, our proposed BFT‐DAG framework introduces key enhancements to optimize its performance in
Fatemeh Stodt, Mohammed Alshawki, Christoph Reich, Peter Ligeti, Fabrice Theoleyre   +4 more
wiley   +1 more source

An Edge-Fog Secure Self-Authenticable Data Transfer Protocol

Sensors, 2019
Development of the Internet of Things (IoT) opens many new challenges. As IoT devices are getting smaller and smaller, the problems of so-called “constrained devices” arise.
Algimantas Venčkauskas, Nerijus Morkevicius, Vaidas Jukavičius, Robertas Damaševičius, Jevgenijus Toldinas, Šarūnas Grigaliūnas   +5 more
doaj   +1 more source