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Advances in 6G Wireless Communication Technologies
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Advances in 6G Wireless Communication Technologies

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: 15 November 2026 | Viewed by 1473

Editors

Dr. Annamaria Sarbu

E-Mail Website
Guest Editor
The Faculty of Military Management, "Nicolae Balcescu" Land Forces Academy, 550170 Sibiu, Romania
Interests: signals and systems; measurements in electronics and telecommunications; circuit analysis and synthesis
Special Issues, Collections and Topics in MDPI journals
Dr. Angela Digulescu

E-Mail Website
Guest Editor
Telecommunications and Information Technology Department, Military Technical Academy “Ferdinand I”, 050141 Bucharest, Romania
Interests: signal processing; radio communications; data transmission
Special Issues, Collections and Topics in MDPI journals
Dr. Cornel Ioana

E-Mail Website
Guest Editor
Gipsa-Lab, Universite Grenoble Alpes, Saint Martin d\'Heres, 38400 Grenoble, France
Interests: compressed sensing; signal reconstruction; time-frequency analysis; Fourier transforms; bathymetry; signal representation; sonar imaging; acoustic imaging; acoustic signal processing; acoustic wave interferometers; array signal processing; frequency modulation; measurement uncertainty; oceanographic techniques; polynomials; quantisation (signal); signal resolution; sonar detection; sonar signal processing; underwater sound; doppler shift; Gaussian processes; acoustic measurement; acoustic noise; angular measurement
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Emanuel Puschita

E-Mail Website
Guest Editor
1. Communications Department, Technical University of Cluj-Napoca, 28 Memorandumului Street, 400114 Cluj-Napoca, Romania
2. National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
Interests: AI-powered RF signal analysis; real-time signal intelligence systems; security and surveillance applications; cognitive radio and spectrum monitoring
Special Issues, Collections and Topics in MDPI journals
Dr. Cristina Despina-Stoian

E-Mail Website
Guest Editor
Department of Communications and Information Technology, Military Technical Academy “Ferdinand I”, 050141 Bucharest, Romania
Interests: wireless communications

Special Issue Information

Dear Colleagues,

This Special Issue will encapsulate recent research and emerging ideas shaping 6G wireless communication systems. It will focus on the technologies, architectures, and challenges expected to define next-generation networks.

Topics of interest include but are not limited to the following:

Terahertz (THz) and millimeter-wave communications for ultra-high data rates.

Reconfigurable intelligent surfaces (RISs) and massive MIMO for enhanced coverage and spectral efficiency.

Artificial intelligence and machine learning for intelligent network management and resource allocation.

Integrated sensing and communication for increased data transmission with environmental awareness.

Network architectures for 6G networks.

Security, energy efficiency, and standardization challenges for large-scale deployment.

Overall, this Special Issue aims to highlight advances that will enable faster, smarter, and more sustainable 6G networks, paving the way for future applications like holographic communication, autonomous systems, and intelligent environments.

Dr. Annamaria Sarbu
Dr. Angela Digulescu
Dr. Cornel Ioana
Prof. Dr. Emanuel Puschita
Dr. Cristina Despina-Stoian
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • wireless communication
  • networks
  • millimeter-wave communications

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Published Papers (3 papers)

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Research

24 pages, 1934 KB  
Article
Advanced Adaptive Scheduling for Autonomous Driving in Beyond-5G/6G Networks
by Athanasios Kanavos, Gerasimos Papanikolaou-Ntais and Alexandros Kaloxylos
Electronics 2026, 15(15), 3464; https://doi.org/10.3390/electronics15153464 - 5 Aug 2026
Viewed by 178
Abstract
The shift toward autonomous driving is steadily reducing the need for human intervention in vehicular operations, but sustaining this shift depends on 6G networks that can reliably multiplex diverse, delay-critical services under deterministic latency, throughput, and reliability constraints. Static over-provisioning can meet the [...] Read more.
The shift toward autonomous driving is steadily reducing the need for human intervention in vehicular operations, but sustaining this shift depends on 6G networks that can reliably multiplex diverse, delay-critical services under deterministic latency, throughput, and reliability constraints. Static over-provisioning can meet the stringent Quality of Service (QoS) requirements of critical traffic, but at the cost of resource starvation for co-existing non-critical services, and it degrades further under adverse channel conditions or network congestion where spectrum must be used efficiently. This motivates dynamic, service-aware scheduling as a core requirement for multi-service 6G vehicular architectures. This paper presents SOVANET+, an extended scheduling technique that jointly accounts for service criticality (critical vs. non-critical), network load, and wireless link quality to allocate resources adaptively across coexisting Vehicle-to-Everything (V2X) services. We evaluate SOVANET+ through extensive simulations of a congested single-cell urban-grid deployment supporting delay-critical automated driving services. Results show that SOVANET+ achieves lower latency and jitter, higher throughput, and improved uplink and downlink reliability compared to existing scheduling approaches, while scaling effectively to large numbers of connected autonomous vehicles, supporting its viability for next-generation intelligent transportation systems. Full article
(This article belongs to the Special Issue Advances in 6G Wireless Communication Technologies)
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16 pages, 26838 KB  
Article
Experimental Evaluation and Theoretical Analysis of I/Q Imbalance in Direct Millimeter-Wave Six-Port QPSK Demodulators
by Chaouki Hannachi, Matthieu Egels, Phillipe Pannier and Serioja Ovidiu Tatu
Electronics 2026, 15(10), 2072; https://doi.org/10.3390/electronics15102072 - 13 May 2026
Viewed by 413
Abstract
This paper presents a comprehensive investigation of the impact of I/Q (In-phase/Quadrature) imbalance on the performance of a six-port receiver operating in the millimeter-wave band, specifically in the 60–65 GHz frequency range. Unlike traditional heterodyne architectures, the six-port junction offers a low-cost and [...] Read more.
This paper presents a comprehensive investigation of the impact of I/Q (In-phase/Quadrature) imbalance on the performance of a six-port receiver operating in the millimeter-wave band, specifically in the 60–65 GHz frequency range. Unlike traditional heterodyne architectures, the six-port junction offers a low-cost and low-power alternative for direct conversion; however, it is highly sensitive to hardware imperfections. This study demonstrates that manufacturing tolerances in passive components, such as 90° hybrid couplers and power dividers, introduce significant amplitude and phase disparities. These imbalances geometrically distort the ideal QPSK constellation, transforming the circular decision boundaries into an elliptical profile. The research methodology employs a robust co-simulation approach in Advanced Design System (ADS), integrating measured S-parameters with mathematical analysis to quantify signal degradation. Performance is evaluated using the Error Vector Magnitude (EVM) metric. The experimental findings reveal that even at the higher end of the spectrum (65 GHz), where the amplitude imbalance reaches 0.7 dB and the phase error is approximately 5°, the six-port QPSK receiver maintains an EVM of 8.7%. This result is comfortably below the 17.5% limit mandated by modern wireless communication standards, such as LTE and 5G. These results confirm the architectural resilience of the six-port receiver, validating its effectiveness as a reliable solution for high-speed, short-range data transmission in future ultra-wideband telecommunication infrastructures. Full article
(This article belongs to the Special Issue Advances in 6G Wireless Communication Technologies)
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22 pages, 1526 KB  
Article
Performance Analysis and Game-Based Bandwidth Allocation for UL/DL Decoupled C-V2X
by Luofang Jiao, Pin Li, Yuhao Yang, Linghao Xia, Qiang Cheng, Xingwei Ye, Jingbei Yang and Xianzhe Xu
Electronics 2026, 15(9), 1809; https://doi.org/10.3390/electronics15091809 - 24 Apr 2026
Viewed by 291
Abstract
Uplink/downlink (UL/DL) decoupled access has emerged as a promising paradigm for heterogeneous cellular vehicle-to-everything (C-V2X) networks in beyond 5G (B5G) and 6G systems. In multi-operator scenarios, wireless service provider (WSP) selection becomes critical for vehicles to ensure communication quality while minimizing costs. This [...] Read more.
Uplink/downlink (UL/DL) decoupled access has emerged as a promising paradigm for heterogeneous cellular vehicle-to-everything (C-V2X) networks in beyond 5G (B5G) and 6G systems. In multi-operator scenarios, wireless service provider (WSP) selection becomes critical for vehicles to ensure communication quality while minimizing costs. This paper investigates the performance analysis and WSP selection problem in UL/DL decoupled access C-V2X networks. We derive tractable expressions for spectral efficiency of both UL and DL using stochastic geometry, considering three decoupled access cases where UL and DL independently associate with macro base stations (MBSs) or small base stations (SBSs). We formulate a hierarchical game framework combining evolutionary game for vehicle WSP selection and non-cooperative game for WSP bandwidth allocation. An evolutionary game algorithm is proposed to reach the equilibrium, and the uniqueness of Nash equilibrium in bandwidth allocation is proved. Extensive simulations validate the analytical results and demonstrate the convergence and stability of the proposed game framework. Full article
(This article belongs to the Special Issue Advances in 6G Wireless Communication Technologies)
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