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Related papers: Six Critical Challenges for 6G Wireless Systems

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Researchers are now focusing on 6G as a new network technology that will bring significant gains over the previous generations while many sectors are still implementing the 5G network in their business processes and operations. Meanwhile,…

Cryptography and Security · Computer Science 2023-10-02 Chinazunwa Uwaoma

The recently commercialized fifth-generation (5G) wireless communication networks achieved many improvements, including air interface enhancement, spectrum expansion, and network intensification by several key technologies, such as massive…

Information Theory · Computer Science 2021-12-01 Hengtao He , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

The transition to 6G is expected to bring significant advancements, including much higher data rates, enhanced reliability and ultra-low latency compared to previous generations. Although 6G is anticipated to be 100 times more energy…

Networking and Internet Architecture · Computer Science 2025-03-12 Hamed Ahmadi , Mostafa Rahmani , Swarna Bindu Chetty , Eirini Eleni Tsiropoulou , Huseyin Arslan , Merouane Debbah , Tony Quek

For next-generation wireless networks, both the upper mid-band and terahertz spectra are gaining global attention. This article provides an in-depth analysis of recent regulatory rulings and spectrum preferences issued by international…

Systems and Control · Electrical Eng. & Systems 2025-09-24 Theodore S. Rappaport , Todd E. Humphreys , Shuai Nie

In this article, one first introduces the general landscape of the next generation of wireless communication systems (5G), including its drivers and requirements, and the candidate technologies that might help achieve its intended goals.…

Networking and Internet Architecture · Computer Science 2017-02-02 Nicola Marchetti

Fifth-generation (5G) wireless networks introduce new architectural paradigms, spectrum usage models, and optimization challenges to support enhanced mobile broadband, massive machine-type communications, and ultra-reliable low-latency…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Siminfar Samakoush Galougah

Among the key differentiators of 6G compared to 5G will be the increased emphasis on radio based positioning and sensing. These will be utilized not only for conventional location-aware services and for enhancing communication performance,…

In this article, we first present our vision on the application scenarios, performance metrics, and potential key technologies of the sixth generation (6G) wireless communication networks. Then, 6G wireless channel measurements,…

Signal Processing · Electrical Eng. & Systems 2020-12-14 C. -X. Wang , J. Huang , H. Wang , X. Gao , X. -H. You , Y. Hao

Driven by the pursuit of gigabit-per-second data speeds for future 6G mobile networks, in addition to the support of sensing and artificial intelligence applications, the industry is expanding beyond crowded sub-6 GHz bands with innovative…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Ahmad Bazzi , Roberto Bomfin , Marco Mezzavilla , Sundeep Rangan , Theodore Rappaport , Marwa Chafii

Since 5G new radio comes with non-standalone (NSA) and standalone (SA) versions in 3GPP, research on 6G has been on schedule by academics and industries. Though 6G is supposed to have much higher capabilities than 5G, yet there is no clear…

Information Theory · Computer Science 2020-02-13 Shanzhi Chen , Ying-Chang Liang , Shaohui Sun , Shaoli Kang , Wenchi Cheng , Mugen Peng

This paper provides a summary of available technologies required for implementing indoor laser-based wireless networks capable of achieving aggregate data-rates of terabits per second as widely accepted as a sixth generation (6G) key…

Although millimeter wave (mmWave) systems promise to offer larger bandwidth and unprecedented peak data rates, their practical implementation faces several hardware challenges compared to sub-6 GHz communication systems. These hardware…

Information Theory · Computer Science 2018-11-09 Xi Yang , Michail Matthaiou , Jie Yang , Chao-Kai Wen , Feifei Gao , Shi Jin

The sixth generation (6G) wireless communication nowadays is seeking a new spectrum to inherit the pros and discard the cons of sub-6 GHz, millimeter-wave (mmWave), and sub-terahertz (THz) bands. To this end, an upper mid-band with a…

Systems and Control · Electrical Eng. & Systems 2025-08-22 Zhuangzhuang Cui , Peize Zhang , Sofie Pollin

Mobile communications have been undergoing a generational change every ten years. Whilst we are just beginning to roll out 5G networks, significant efforts are planned to standardize 6G that is expected to be commercially introduced by…

Networking and Internet Architecture · Computer Science 2022-10-10 Rainer Liebhart , Mansoor Shafi , Gajan Shivanandan , Devaki Chandramouli , Laurent Thiebaut

Cellular wireless networks enable mobile broadband connectivity for Internet-based applications through their radio access and core network infrastructure. While Fifth-Generation (5G) cellular systems are currently being deployed, ongoing…

Networking and Internet Architecture · Computer Science 2025-10-16 Ekram Hossain , Angelo Vera-Rivera

The upcoming sixth generation (6G) communications systems are expected to support an unprecedented variety of applications, pervading every aspect of human life. It is clearly not possible to fulfill the service requirements without…

Signal Processing · Electrical Eng. & Systems 2021-02-09 Ahmet Yazar , Seda Doğan-Tusha , Hüseyin Arslan

Terahertz (THz) band communications is envisioned as a key technology for future wireless standards. Substantial progress has been made in this field, with advances in hardware design, channel models, and signal processing. High-rate…

Systems and Control · Electrical Eng. & Systems 2023-05-23 Arjun Singh , Vitaly Petrov , Hichem Guerboukha , Innem V. A. K. Reddy , Edward W. Knightly , Daniel M. Mittleman , Josep M. Jornet

Terahertz (THz) communication has emerged as a key enabler for sixth-generation (6G) networks, offering ultrawide bandwidths to support data-intensive applications such as holographic telepresence and immersive extended reality. Recent…

Signal Processing · Electrical Eng. & Systems 2026-05-13 Talha Rahman , Murat Uysal

Mobile communication technology has been rapidly evolving ever since its first introduction in the late 1980s. The development witnessed is not just in the refinement of the radio access techniques, but also in the progression towards…

5G networks are expected to achieve gigabit-level throughput in future cellular networks. However, it is a great challenge to treat 5G wireless backhaul traffic in an effective way. In this article, we analyze the wireless backhaul traffic…

Networking and Internet Architecture · Computer Science 2014-12-24 Xiaohu Ge , H. Cheng , M. Guizani , T. Han