Results 71 to 80 of about 1,339 (176)

Smart Wind Resource Assessment Using Big Data: Architecture, Tools, and Future Directions

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
As the global demand for renewable energy accelerates, wind power has emerged as a vibrant contributor to sustainable energy generation. Accurate and efficient wind resource assessment is critical for optimizing site selection, turbine performance, and overall energy output.
R. Krishnamoorthy, C. Kamal, N. B. Muthu Selvan, C. Venkatesan, Mohammed H. Alsharif, Mun-Kyeom Kim, Akshay Kumar Saha   +6 more
wiley   +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

Improving Packet Delivery Performance of Publish/Subscribe Protocols in Wireless Sensor Networks

Sensors, 2013
MQTT-S and CoAP are two protocols able to use the publish/subscribe model in Wireless Sensor Networks (WSNs). The high scalability provided by the publish/subscribe model may incur a high packet loss and therefore requires an efficient reliability ...
Ernesto García Davis, Anna Calveras, Ilker Demirkol   +2 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

Analytical Model of Large Data Transactions in CoAP Networks

Sensors, 2014
We propose a novel analytical model to study fragmentation methods in wireless sensor networks adopting the Constrained Application Protocol (CoAP) and the IEEE 802.15.4 standard for medium access control (MAC).
Alessandro Ludovici, Piergiuseppe Di Marco, Anna Calveras, Karl H. Johansson   +3 more
doaj   +1 more source

Real Performance Evaluation On MQTT and COAP Protocol in Ubiquitous Network Robot Platform (UNRPF) for Disaster Multi-robot Communication

Emitter: International Journal of Engineering Technology, 2018
Disaster multi-robot has a significant role in a disaster area to do many tasks like detection of fire, search and rescue of victims, etc. It needs to build good communication between the operator and multi-robot and among multi-robot themselves to ...
Muhammad Ikrar Yamin, Son Kuswadi, Sritrusta Sukaridhoto   +2 more
doaj   +1 more source

Design, Implementation, and Evaluation of an Embedded CoAP Proxy Server for 6LoWPAN

IEEE Access
Proxy servers are widely used in many contexts since they can enhance performance, security, and access control for production networks. The Constrained Application Protocol (CoAP), the de facto standard of Internet of Things (IoT) communications ...
Ismael Amezcua Valdovinos, Patricia Elizabeth Figueroa Millan, Juan Antonio Guerrero-Ibanez, Ramona Evelia Chavez Valdez   +3 more
doaj   +1 more source

Wireless body area network: Architecture and security mechanism for healthcare using internet of things

International Journal of Engineering Business Management
Internet of Things (IoT) enabled wireless body area network (WBAN) is a novel technology that combines medical, wireless, and non-medical devices for healthcare management applications.
Arun Kumar, Ritu Dewan, Wisam Subhi Al-Dayyeni, Bharat Bhushan, Jayant Giri, Sardar MN Islam, Ahmed Elaraby   +6 more
doaj   +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

Gateway-Assisted Retransmission for Lightweight and Reliable IoT Communications

Sensors, 2016
Message Queuing Telemetry Transport for Sensor Networks (MQTT-SN) and Constrained Application Protocol (CoAP) are two protocols supporting publish/subscribe models for IoT devices to publish messages to interested subscribers.
Hui-Ling Chang, Cheng-Gang Wang, Mong-Ting Wu, Meng-Hsun Tsai, Chia-Ying Lin   +4 more
doaj   +1 more source