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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

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…

信号处理 · 电气工程与系统科学 2024-05-13 Wei Fan , Zhiqiang Yuan , Yejian Lyu , Jianhua Zhang , Gert Pedersen , Jonathan Borrill , Fengchun Zhang

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

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

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

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 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…

信号处理 · 电气工程与系统科学 2026-01-21 Zhengyu Wang , Tiebin Mi , Gui Zhou , Robert C. Qiu

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

Extremely large-scale multiple-input multiple-output (XL-MIMO) is regarded as a promising technology for next-generation communication systems. However, this will expand the near-field (NF) range, rendering more users more likely to be…

信号处理 · 电气工程与系统科学 2025-07-01 Zihang Ding , Jianhua Zhang , Changsheng You , Pan Tang , Hongbo Xing , Zhiqiang Yuan , Jie Meng , Guangyi Liu

Extremely large antenna arrays (ELAAs) are widely adopted in mmWave/THz communications to compensate for the severe path loss, wherein the channel estimation remains a significant challenge since the Rayleigh distance of ELAAs stretches to…

信号处理 · 电气工程与系统科学 2026-03-17 Yiming Chen , Hongwei Wang , Lingxiang Li , Zhi Chen

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

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

Terahertz (THz) band owning the abundant multi-ten-GHz bandwidth is capable to support Terabit-per-second wireless communications, which is a pillar technology for 6G and beyond systems. With sub-millimeter-long antennas, ultra-massive (UM)…

信息论 · 计算机科学 2023-08-04 Chong Han , Yuhang Chen , Longfei Yan , Zhi Chen , Linglong Dai

Next generation cellular deployments are expected to exploit the 6-24 GHz frequency range 3 (FR3) and extremely large-scale multiple-input multiple-output (XL-MIMO) to enable ultra-high data rates and reliability. However, the significantly…

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

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 antenna array (ELAA) not only effectively enhances system communication performance but also improves the sensing capabilities of communication systems, making it one of the key enabling technologies in 6G wireless networks.…

信号处理 · 电气工程与系统科学 2025-06-03 Boyu Teng , Xiaojun Yuan , Rui Wang , Ying-Chang Liang

One of the most relevant challenges in future 6G wireless networks is how to support a massive spatial multiplexing of a large number of user terminals. Recently, extremely large antenna arrays (ELAAs), also referred to as extra-large MIMO…

信息论 · 计算机科学 2023-12-01 Adrian Agustin , Xavier Mestre
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