Results 71 to 80 of about 8,737 (230)

Data Aggregation in Massive Machine Type Communication: Challenges and Solutions [PDF]

IEEE Access, 2019
Machine type communication (MTC) is a fundamental technology to realize the concept of fully connected world in fifth generation (5G) Internet of Things (IoT). The massive roll out of the MTC devices is a serious challenge for cellular networks from operational and management perspective, including massive access and network congestion.
Tabinda Salam, Waheed ur Rehman, Xiaofeng Tao 0001   +2 more
openaire   +2 more sources

Channel Charting Aided Pilot Reuse for Massive MIMO Systems with Spatially Correlated Channels [PDF]

, 2022
Massive multiple-input multiple-output (mMIMO) technology is a way to increase the spectral efficiency of machine-type communications (MTC). To exploit the benefits from large antenna arrays, accurate channel estimation through pilot signals is needed ...
Al-Tous, Hanan, Tirkkonen, O. (Olav), Ribeiro, L. (Lucas), Juntti, Markku, Juntti, M. (Markku), Leinonen, Markus, Tirkkonen, Olav, Leinonen, M. (Markus), Ribeiro, Lucas, Al-Tous, H. (Hanan)   +9 more
core   +1 more source

Fundamental Challenges, Physical Implementations, and Integration Strategies for Ising Machines in Large‐Scale Optimization Tasks

Advanced Electronic Materials, EarlyView.
Ising machines are emerging as specialized hardware solvers for computationally hard optimization problems. This review examines five major platforms—digital CMOS, analog CMOS, emerging devices, coherent optics, and quantum systems—highlighting physics‐rooted advantages and shared bottlenecks in scalability and connectivity.
Hyunjun Lee, Joon Pyo Kim, Sanghyeon Kim
wiley   +1 more source

Towards Massive Connectivity Support for Scalable mMTC Communications in 5G Networks

IEEE Access, 2018
The fifth generation of cellular communication systems is foreseen to enable a multitude of new applications and use cases with very different requirements.
Carsten Bockelmann, Nuno K. Pratas, Gerhard Wunder, Stephan Saur, Monica Navarro, David Gregoratti, Guillaume Vivier, Elisabeth De Carvalho, Yalei Ji, Cedomir Stefanovic, Petar Popovski, Qi Wang, Malte Schellmann, Evangelos Kosmatos, Panagiotis Demestichas, Miruna Raceala-Motoc, Peter Jung, Slawomir Stanczak, Armin Dekorsy   +18 more
doaj   +1 more source

Machine Type Communications in 6G

, 2021
The sixth generation of mobile networks (6G) is expected to be deployed in the early 2030s. By this time, the density of autonomous Internet-connected machines is expected to explode up to hundreds of devices per cubic meter.
Tristan Braud, CHATZOPOULOS, Dimitris, BRAUD, Tristan Camille, Dimitris Chatzopoulos, HUI, Pan, Pan Hui   +5 more
core   +1 more source

AI‐Assisted IoT‐Enabled ECG Monitoring: Integrating Foundational and Generative AI Tools for Sustainable Smart Healthcare—Recent Trends

AI &Innovation, EarlyView.
ABSTRACT The rapid evolution of the Internet of Things (IoT) has significantly advanced the field of electrocardiogram (ECG) monitoring, enabling real‐time, remote, and patient‐centric cardiac care. This paper presents a comprehensive survey of AI assisted IoT‐based ECG monitoring systems, focusing on the integration of emerging technologies such as ...
Amrita Choudhury, Kandarpa Kumar Sarma, Lachit Dutta   +2 more
wiley   +1 more source

Flexible Radio Resource Allocation for Machine Type Communications in 5g Cellular Networks

, 2018
The fast growth of machine-to-machine (M2M) communications in cellular networks brings the challenge of satisfying diverse Quality-of-Service (QoS) requirements of massive number of machine type communications (MTC) devices with limited radio resources ...
Hussien, Zaid Haj, Şadi, Yalçın
core   +1 more source

Guiding and Manipulating Light Fields in Microstructured Liquid Crystals

Advanced Physics Research, EarlyView.
This review summarizes recent advances in guided‐wave optics enabled by microstructured liquid crystal (LC) devices, covering their fundamental material properties, key degree of freedom for dynamic light field manipulations. The advances of linear guided‐wave optics, nonlinear‐optics with spatial optical solitons, and microlasers in LC‐based devices ...
Shan‐shan Chang, Yong‐shuai Li, Jin‐hui Chen   +2 more
wiley   +1 more source

Affective dimensions in the information behavior of forcibly displaced people: A literature review. An Annual Review of Information Science and Technology (ARIST) paper

Journal of the Association for Information Science and Technology, EarlyView.
Abstract This review analyzed 241 scholarly articles published between 2010 and 2025 in information science venues to examine how affect shapes refugees' information behavior during forced migration and to identify additional contextual factors. It identifies seven affective dimensions: anxiety, shame and stigma, grief and loss, frustration, (mis)trust,
Maja Krtalić, Lilach Alon
wiley   +1 more source

Enabling Efficient Communications with Resource Constrained Information Endpoints in Smart Homes

Sensors, 2019
Smart Homes are one of the most promising real applications of Internet of Things and Cyber-Physical Systems. Devices and software components are deployed to create enhanced living environments where physical information is captured by sensors, sent to ...
Diego Sánchez-de-Rivera, Borja Bordel, Ramón Alcarria, Tomás Robles   +3 more
doaj   +1 more source