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Extremely large antenna array (ELAA) is a common feature of several key candidate technologies for sixth-generation mobile networks (6G), such as ultra-massive multiple-input-multiple-output (UM-MIMO), cell-free massive MIMO, reconfigurable…

Information Theory · Computer Science 2024-10-28 Mingyao Cui , Zidong Wu , Yu Lu , Xiuhong Wei , Linglong Dai

6G communication will greatly benefit from using extremely large-scale antenna arrays (ELAAs) and new mid-band spectrums (7-24 GHz). These techniques require a thorough exploration of the challenges and potentials of the associated…

Signal Processing · Electrical Eng. & Systems 2024-05-13 Wei Fan , Zhiqiang Yuan , Yejian Lyu , Jianhua Zhang , Gert Pedersen , Jonathan Borrill , Fengchun Zhang

The distributed upper 6 GHz (U6G) extra-large scale antenna array (ELAA) is a key enabler for future wireless communication systems, offering higher throughput and wider coverage, similar to existing ELAA systems, while effectively…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Jiachen Tian , Zhengtao Jin , Xiayang Chen , Yu Han , Shi Jin , Wenjin Wang , Chao-Kai Wen

Technologies like ultra-massive multiple-input-multiple-output (UM-MIMO) and reconfigurable intelligent surfaces (RISs) are of special interest to meet the key performance indicators of future wireless systems including ubiquitous…

Information Theory · Computer Science 2024-05-28 Yiqin Wang , Chong Han , Shu Sun , Jianhua Zhang

The exploration of extremely large antenna arrays (ELAAs) using high-frequency spectrum has led to a paradigm shift in electromagnetic radiation field, transitioning from the common use case of far-field propagation to near-field…

Information Theory · Computer Science 2024-04-30 Zhenyao He , Wei Xu , Zhaohui Yang , Hong Shen , Ningning Fu , Yongming Huang , Zhaoyang Zhang , Xiaohu You

Integrated sensing and communications (ISAC) is a promising component of 6G networks, fusing communication and radar technologies to facilitate new services. Additionally, the use of extremely large-scale antenna arrays (ELAA) at the ISAC…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Sajad Daei , Amirreza Zamani , Saikat Chatterjee , Mikael Skoglund , Gabor Fodor

6G wireless communication networks are expected to use extremely large-scale antenna arrays (ELAAs) to support higher throughput, massive connectivity, and improved system performance. ELAAs would fundamentally alter wave characteristics,…

Emerging Technologies · Computer Science 2025-09-23 Amjad Iqbal , Ala'a Al-Habashna , Gabriel Wainer , Gary Boudreau

Near-field sensing with extremely large-scale antenna arrays (ELAAs) in practical 6G systems is expected to operate over broad bandwidths, where delay, Doppler, and spatial effects become tightly coupled across frequency. The purpose of…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Tong Wei , Kumar Vijay Mishra , Bhavani Shankar M. R. , Björn Ottersten

The far-field channel model has historically been used in wireless communications due to the simplicity of mathematical modeling and convenience for algorithm design. With the need for high data rates, low latency, and ubiquitous…

Information Theory · Computer Science 2023-12-15 Hui Chen , Musa Furkan Keskin , Adham Sakhnini , Nicoló Decarli , Sofie Pollin , Davide Dardari , Henk Wymeersch

Extremely large-scale antenna arrays (ELAAs) envisioned for 6G enable high-resolution sensing. However, the ELAAs worked in extremely high frequency will push operation into the near-field region, where spherical wavefronts invalidate…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Tong Wei , Kumar Vijay Mishra , Bhavani Shankar M. R. , Björn Ottersten

Next-generation mobile networks promise to support high throughput, massive connectivity, and improved energy efficiency. To achieve these ambitious goals, extremely large-scale antenna arrays (ELAAs) and terahertz communications constitute…

Information Theory · Computer Science 2023-09-19 Jiancheng An , Chau Yuen , Linglong Dai , Marco Di Renzo , Merouane Debbah , Lajos Hanzo

The sixth generation (6G) communication networks are featured by integrated sensing and communications (ISAC), revolutionizing base stations (BSs) and terminals. Additionally, in the unfolding 6G landscape, a pivotal physical layer…

Signal Processing · Electrical Eng. & Systems 2024-10-01 Kaiqian Qu , Shuaishuai Guo , Jia Ye , Nasir Saeed

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

Extremely large-scale antenna arrays (ELAAs) have emerged as a pivotal technology for addressing the unprecedented performance demands of next-generation wireless communication systems. To enhance their practicality, we propose…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Zhengyu Wang , Tiebin Mi , Gui Zhou , Robert C. Qiu

Extremely large-scale antenna array (ELAA) is a key candidate technology for the sixth generation (6G) mobile networks. Nevertheless, using substantial numbers of antennas to transmit high-frequency signals in ELAA systems significantly…

Signal Processing · Electrical Eng. & Systems 2025-01-23 Mengzhen Liu , Ming Li , Rang Liu , Qian Liu

Extremely large aperture array (ELAA) is anticipated to serve as a pivotal feature of future multiple-input multiple-output (MIMO) systems in 6G. Near-field (NF) fading channel models are essential for reliable link-level simulation and…

Information Theory · Computer Science 2024-10-28 Jiuyu Liu , Yi Ma , Ahmed Elzanaty , Rahim Tafazolli

Joint communication and sensing (JCS) is envisioned as an enabler of future 6G networks. One of the key features of these networks will be the use of extremely large aperture arrays (ELAAs) and high operating frequencies, which will result…

Signal Processing · Electrical Eng. & Systems 2024-05-09 Caterina Giovannetti , Nicolò Decarli , Davide Dardari

Extremely Large-scale Array (ELAA) is considered a frontier technology for future communication systems, pivotal in improving wireless systems' rate and spectral efficiency. As ELAA employs a multitude of antennas operating at higher…

Machine Learning · Computer Science 2024-08-26 Jiali Nie , Yuanhao Cui , Zhaohui Yang , Weijie Yuan , Xiaojun Jing

Extremely large-scale antenna array (ELAA) technologies consisting of ultra-massive multiple-input-multiple-output (UM-MIMO) or reconfigurable intelligent surfaces (RISs), are emerging to meet the demand of wireless systems in…

Information Theory · Computer Science 2024-02-06 Yiqin Wang , Shu Sun , Chong Han

The "near-field" propagation modeling of wireless channels is necessary to support sixth-generation (6G) technologies, such as intelligent reflecting surface (IRS), that are enabled by large aperture antennas and higher frequency carriers.…

Information Theory · Computer Science 2024-03-12 Navneet Agrawal , Ehsan Tohidi , Renato L. G. Cavalcante , Sławomir Stańczak
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