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The sixth-generation (6G) wireless systems are expected to adopt extremely large aperture arrays (ELAAs), novel antenna architectures, and operate in extremely high-frequency bands to meet growing data demands. ELAAs significantly increase…

信号处理 · 电气工程与系统科学 2026-03-30 Wen-Xuan Long , Shengyu Ye , Marco Moretti , Michele Morelli , Luca Sanguinetti , Rui Chen , Cheng-Xiang Wang

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…

信息论 · 计算机科学 2024-05-28 Yiqin Wang , Chong Han , Shu Sun , Jianhua Zhang

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…

信息论 · 计算机科学 2024-10-28 Jiuyu Liu , Yi Ma , Ahmed Elzanaty , Rahim Tafazolli

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…

信息论 · 计算机科学 2024-10-28 Mingyao Cui , Zidong Wu , Yu Lu , Xiuhong Wei , Linglong Dai

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…

信号处理 · 电气工程与系统科学 2025-04-30 Jiachen Tian , Zhengtao Jin , Xiayang Chen , Yu Han , Shi Jin , Wenjin Wang , Chao-Kai Wen

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…

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…

信号处理 · 电气工程与系统科学 2026-01-01 Tong Wei , Kumar Vijay Mishra , Bhavani Shankar M. R. , Björn Ottersten

Extremely large antenna array (ELAA) is key to enhancing spectral efficiency in 6G networks. Leveraging the distributed nature of multi-unmanned aerial vehicle (UAV) systems enables the formation of distributed ELAA, which often operate in…

信号处理 · 电气工程与系统科学 2025-09-10 Tianyu Huo , Jian Xiong , Yiyan Wu , Songjie Yang , Bo Liu , Wenjun Zhang

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,…

新兴技术 · 计算机科学 2025-09-23 Amjad Iqbal , Ala'a Al-Habashna , Gabriel Wainer , Gary Boudreau

In the sixth-generation (6G), with the further expansion of array element number and frequency bands, the wireless communications are expected to operate in the near-field region. The near-field radio communications (NFRC) will become…

信号处理 · 电气工程与系统科学 2024-05-17 Haiyang Miao , Pan Tang , Weirang Zuo , Qi Wei , Lei Tian , Jianhua Zhang

Extremely large aperture arrays (ELAAs) benefit the dual functions of integrated sensing and communication (ISAC) systems by enabling high-throughput data streams and high angular resolution with near-field spatial diversity. However,…

信号处理 · 电气工程与系统科学 2026-05-05 Yuan Liu , Xuesong Cai , Dipankar Saha , M. R. Bhavani Shankar , Björn Ottersten

High-frequency communication systems bring extremely large aperture arrays (ELAA) and large bandwidths, integrating localization and (bi-static) sensing functions without extra infrastructure. Such systems are likely to operate in the…

信号处理 · 电气工程与系统科学 2024-02-27 Hui Chen , Pinjun Zheng , Yu Ge , Ahmed Elzanaty , Jiguang He , Tareq Y. Al-Naffouri , Henk Wymeersch

Extremely large-scale antenna arrays (ELAAs) enable high spatial resolution and multiplexing, especially for user equipments (UEs) in the radiative near-field. To reduce hardware cost, modular ELAA architectures with distributed baseband…

信号处理 · 电气工程与系统科学 2025-09-23 Özlem Tuğfe Demir , Emil Björnson

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…

信息论 · 计算机科学 2024-02-06 Yiqin Wang , Shu Sun , Chong Han

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…

机器学习 · 计算机科学 2024-08-26 Jiali Nie , Yuanhao Cui , Zhaohui Yang , Weijie Yuan , Xiaojun Jing

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…

信息论 · 计算机科学 2023-09-19 Jiancheng An , Chau Yuen , Linglong Dai , Marco Di Renzo , Merouane Debbah , Lajos Hanzo

Millimeter wave/Terahertz (mmWave/THz) communication with extremely large-scale antenna arrays (ELAAs) offers a promising solution to meet the escalating demand for high data rates in next-generation communications. A large array aperture,…

信号处理 · 电气工程与系统科学 2024-09-30 Hongwei Wang , Jun Fang , Huiping Duan , Hongbin Li

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…

信号处理 · 电气工程与系统科学 2025-01-23 Mengzhen Liu , Ming Li , Rang Liu , Qian Liu

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…

信号处理 · 电气工程与系统科学 2026-01-01 Tong Wei , Kumar Vijay Mishra , Bhavani Shankar M. R. , Björn Ottersten

Near-field communication comes to be an indispensable part of the future sixth generation (6G) communications at the arrival of the forth-coming deployment of extremely large-scale multiple-input-multiple-output (XL-MIMO) systems. Due to…

信号处理 · 电气工程与系统科学 2024-09-04 Haochen Wu , Liyang Lu , Zhaocheng Wang
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