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AI-Based 5G/6G Communications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Internet of Things".

Deadline for manuscript submissions: 15 July 2025 | Viewed by 507

Special Issue Editors


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Guest Editor
School of Electronics and Information, Northwestern Polytechnical University, Xi’an 710129, China
Interests: wireless communication; 5G/6G; AI

E-Mail Website
Guest Editor
School of Electronics and Information, Northwestern Polytechnical University, Xi’an 710129, China
Interests: semantic communications; wireless communications; AI; wireless sensor networks
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Electrical and Electronic Engineering (DIEE), University of Cagliari, Piazza d’Armi, 09123 Cagliari, Italy
Interests: Internet of Things; social networks; energy efficiency; web services

Special Issue Information

Dear Colleagues,

The rapid evolution of wireless communications and networking has supported the application of 5G and inspired the standardization process towards the 6G era. The 6G era aims to provide unprecedentedly high data rates, achievable low latency, implementable massive connectivity, and much better energy efficiency, thereby transforming industries as well as our daily lives. While wireless communications theories were well built on clear and rigorous mathematical model and derivations, artificial intelligence (AI), with somewhat vague and hard-to-interpret principles, is playing an increasingly pivotal role not only in optimizing network operations, resource management, signal processing, and decision making for mobile wireless networks but also motivating increasingly more applications other than communications to embrace the 5G/6G networks. This Special Issue on "AI-Based 5G/6G Communications" aims to bring together innovative research, practical applications, and future trends that explore the integration of AI techniques into 5G/6G communication networks. We invite original contributions that address key challenges, propose new frameworks, and demonstrate the potential of AI in next-generation communication systems.

Prof. Dr. Lixin Li
Dr. Wensheng Lin
Prof. Dr. Qinghe Du
Dr. Claudio Marche
Guest Editors

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Keywords

  • AI-driven network optimization and resource allocation for 5G/6G
  • machine learning and deep learning applications in wireless communications
  • semantic communications
  • intelligent spectrum management and signal processing
  • AI for energy-efficient 5G/6G networks
  • reinforcement learning for dynamic network adaptation
  • AI-enhanced multiple access and modulation techniques
  • AI-based security and privacy solutions in 5G/6G networks
  • edge AI for low-latency and real-time applications
  • AI for massive MIMO and beamforming techniques
  • federated learning and decentralized AI in 5G/6G
  • AI in vehicular communications, IoT, and smart cities powered by 5G/6G
  • AI-based predictive maintenance and self-healing networks
  • ethical considerations and challenges of AI in 5G/6G communications

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Published Papers (1 paper)

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Research

12 pages, 1099 KiB  
Communication
Compressive Wideband Spectrum Sensing Aided Intelligence Transmitter Design
by Lizhi Qin, Yuming Chen, Leli Zhong and Hongzhi Zhao
Sensors 2025, 25(8), 2400; https://doi.org/10.3390/s25082400 - 10 Apr 2025
Viewed by 299
Abstract
In order to realize robust communication in complicated interference electromagnetic environments, an intelligent transmitter design is proposed in this paper, where an auxiliary wideband receiver senses the electromagnetic distribution information in a wide bandwidth range to decide the optimal working frequency. One of [...] Read more.
In order to realize robust communication in complicated interference electromagnetic environments, an intelligent transmitter design is proposed in this paper, where an auxiliary wideband receiver senses the electromagnetic distribution information in a wide bandwidth range to decide the optimal working frequency. One of the key issues is suppressing the self-interference of high-power transmitter signals to the co-platform wideband sensing receiver. Due to the multipath effect of the self-interference channel, perfect time synchronization of self-interference signals is not achievable, which reduces the interference cancelation performance of the co-platform. Therefore, this paper investigates the impact of time synchronization errors on the self-interference cancellation performance of the Nyquist folding receiver (NYFR)-based system. First, a self-interference cancellation architecture based on NYFR is proposed to support the realization of real-time wideband spectrum sensing. Secondly, closed-form expressions for the residual interference power and the self-interference cancellation performance are derived, and the impact of reference signal sampling errors on the self-interference cancellation performance is also analyzed. Theoretical analysis and simulation results show that the NYFR-based self-interference cancellation performance decreases with increasing time synchronization errors and folding multiples, and the system is especially sensitive to time synchronization errors. Moreover, frequency detection simulations show that, under an SI-to-NCS power ratio of 0 dB, the proposed interference cancellation scheme improves the frequency detection probability by approximately 80%. The research results provide a theoretical reference for the compressed sensing-aided intelligent transmitter realization. Full article
(This article belongs to the Special Issue AI-Based 5G/6G Communications)
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