1. “Digital Twin Generation: Re-Conceptualizing Agent Systems for Behavior-Centered Cyber-Physical System Development”
by Christian Stary
Sensors 2021, 21(4), 1096; https://doi.org/10.3390/s21041096
Available online: https://www.mdpi.com/1424-8220/21/4/1096

2. “A Cost-Efficient 5G Non-Public Network Architectural Approach: Key Concepts and Enablers, Building Blocks and Potential Use Cases”
by Panagiotis Trakadas, Lambros Sarakis, Anastasios Giannopoulos, Sotirios Spantideas, Nikolaos Capsalis, Panagiotis Gkonis, Panagiotis Karkazis, Giovanni Rigazzi, Angelos Antonopoulos, Marta Amor Cambeiro et al.
Sensors 2021, 21(16), 5578; https://doi.org/10.3390/s21165578
Available online: https://www.mdpi.com/1424-8220/21/16/5578

3. “Toward Modular and Flexible Open RAN Implementations in 6G Networks: Traffic Steering Use Case and O-RAN xApps”
by Marcin Dryjański, Łukasz Kułacz and Adrian Kliks
Sensors 2021, 21(24), 8173; https://doi.org/10.3390/s21248173
Available online: https://www.mdpi.com/1424-8220/21/24/8173

4. “Evaluation of Misalignment Effect in Vehicle-to-Vehicle Visible Light Communications: Experimental Demonstration of a 75 Meters Link”
by Sebastian-Andrei Avătămăniței, Cătălin Beguni, Alin-Mihai Căilean, Mihai Dimian and Valentin Popa
Sensors 2021, 21(11), 3577; https://doi.org/10.3390/s21113577
Available online: https://www.mdpi.com/1424-8220/21/11/3577

5. “The Use of 3D Printing Technology for Manufacturing Metal Antennas in the 5G/IoT Context”
by Diogo Helena, Amélia Ramos, Tiago Varum and João N. Matos
Sensors 2021, 21(10), 3321; https://doi.org/10.3390/s21103321
Available online: https://www.mdpi.com/1424-8220/21/10/3321

6. “Functional Safety Networks and Protocols in the Industrial Internet of Things Era”
by Giovanni Peserico, Alberto Morato, Federico Tramarin and Stefano Vitturi
Sensors 2021, 21(18), 6073; https://doi.org/10.3390/s21186073
Available online: https://www.mdpi.com/1424-8220/21/18/6073

7. “Lights and Shadows: A Comprehensive Survey on Cooperative and Precoding Schemes to Overcome LOS Blockage and Interference in Indoor VLC”
by Máximo Morales Céspedes, Borja Genovés Guzmán and Víctor P. Gil Jiménez
Sensors 2021, 21(3), 861; https://doi.org/10.3390/s21030861
Available online: https://www.mdpi.com/1424-8220/21/3/861

8. “Model of a Device-Level Combined Wireless Network Based on NB-IoT and IEEE 802.15.4 Standards for Low-Power Applications in a Diverse IoT Framework”
by Juan Pablo García-Martín and Antonio Torralba
Sensors 2021, 21(11), 3718; https://doi.org/10.3390/s21113718
Available online: https://www.mdpi.com/1424-8220/21/11/3718

9. “Analysis and Experimental Investigation of the Light Dimming Effect on Automotive Visible Light Communications Performances”
by Cătălin Beguni, Alin-Mihai Căilean, Sebastian-Andrei Avătămăniței and Mihai Dimian
Sensors 2021, 21(13), 4446; https://doi.org/10.3390/s21134446
Available online: https://www.mdpi.com/1424-8220/21/13/4446

10. “Refined Node Energy Consumption Modeling in a LoRaWAN Network”
by Sébastien Maudet, Guillaume Andrieux, Romain Chevillon and Jean-François Diouris
Sensors 2021, 21(19), 6398; https://doi.org/10.3390/s21196398
Available online: https://www.mdpi.com/1424-8220/21/19/6398