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相关论文: Fast Iterative ELAA-MIMO Detection Exploiting Stat…

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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…

信号处理 · 电气工程与系统科学 2024-12-30 Sajad Daei , Amirreza Zamani , Saikat Chatterjee , Mikael Skoglund , Gabor Fodor

In this paper, we propose a model-driven deep learning network for multiple-input multiple-output (MIMO) detection. The structure of the network is specially designed by unfolding the iterative algorithm. Some trainable parameters are…

信息论 · 计算机科学 2018-09-26 Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Large-scale multiple-input-multiple-output (MIMO) systems typically operate in dense array deployments with limited scattering environments, leading to highly correlated and ill-conditioned channel matrices that severely degrade the…

信号处理 · 电气工程与系统科学 2025-09-30 Kabuto Arai , Takumi Yoshida , Takumi Takahashi , Koji Ishibashi

This paper addresses the mobility problem in extremely large antenna array (ELAA) communication systems. In order to account for the performance loss caused by the spherical wavefront of ELAA in the mobility scenario, we propose a wavefront…

信息论 · 计算机科学 2024-07-23 Weidong Li , Haifan Yin , Ziao Qin , Merouane Debbah

This paper considers a low-complexity iterative Linear Minimum Mean Square Error (LMMSE) multi-user detector for the Multiple-Input and Multiple-Output system with Non-Orthogonal Multiple Access (MIMO-NOMA), where multiple single-antenna…

信息论 · 计算机科学 2019-03-27 Lei Liu , Yuhao Chi , Chau Yuen , Yong Liang Guan , Ying Li

Extremely large-scale antenna arrays (ELAA) play a critical role in enabling the functionalities of next generation wireless communication systems. However, as the number of antennas increases, ELAA systems face significant bottlenecks,…

信息论 · 计算机科学 2025-02-10 Yanqing Xu , Erik G. Larsson , Eduard A. Jorswieck , Xiao Li , Shi Jin , Tsung-Hui Chang

This paper investigates parametric direction-of-arrival (DOA) estimation in a particular context: i) each sensor is characterized by an unknown complex gain and ii) the array consists of a collection of subarrays which are substantially…

Low Earth Orbit (LEO) satellite communication is a critical component in the development of sixth generation (6G) networks. The integration of massive multiple-input multiple-output (MIMO) technology is being actively explored to enhance…

信号处理 · 电气工程与系统科学 2025-11-03 Huibin Zhou , Xinrui Gong , Christos G. Tsinos , Li You , Xiqi Gao , Björn Ottersten

Terahertz ultra-massive MIMO (THz UM-MIMO) is envisioned as one of the key enablers of 6G wireless networks, for which channel estimation is highly challenging. Traditional analytical estimation methods are no longer effective, as the…

信号处理 · 电气工程与系统科学 2023-06-09 Wentao Yu , Yifei Shen , Hengtao He , Xianghao Yu , Shenghui Song , Jun Zhang , Khaled B. Letaief

$N{:}M$ sparsity is an emerging model compression method supported by more and more accelerators to speed up sparse matrix multiplication in deep neural networks. Most existing $N{:}M$ sparsity methods compress neural networks with a…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Ning-Chi Huang , Chi-Chih Chang , Wei-Cheng Lin , Endri Taka , Diana Marculescu , Kai-Chiang Wu

Massive multiple-input multiple-output (MIMO) techniques have been recently advanced to tremendously improve the performance of wireless communication networks. However, the use of very large antenna arrays at the base stations (BSs) brings…

信息论 · 计算机科学 2014-03-27 Yong Zeng , Rui Zhang , Zhi Ning Chen

This paper investigates near-field (NF) position and orientation tracking of a multi-antenna mobile station (MS) using an extremely large antenna array (ELAA)-equipped base station (BS) with a limited number of radio frequency (RF) chains.…

信号处理 · 电气工程与系统科学 2025-12-22 Lin Chen , Xiaojun Yuan , Ying-Jun Angela Zhang

Massive Multiple-input Multiple-output (MIMO) systems offer exciting opportunities due to their high spectral efficiencies capabilities. On the other hand, one major issue in these scenarios is the high-complexity detectors of such systems.…

信息论 · 计算机科学 2015-01-27 A. Amorim Pereira , R. Sampaio-Neto

This paper addresses the challenge of channel estimation in extremely large-scale multiple-input multiple-output (XL-MIMO) systems, pivotal for the advancement of 6G communications. XL-MIMO systems, characterized by their vast antenna…

信号处理 · 电气工程与系统科学 2026-01-22 Sunho Kim , Wan Choi

Stereo matching is a critical task for robot navigation and autonomous vehicles, providing the depth estimation of surroundings. Among all stereo matching algorithms, Efficient Large-scale Stereo (ELAS) offers one of the best tradeoffs…

硬件体系结构 · 计算机科学 2021-04-13 Tian Gao , Zishen Wan , Yuyang Zhang , Bo Yu , Yanjun Zhang , Shaoshan Liu , Arijit Raychowdhury

With fluid antenna system (FAS) gradually establishing itself as a possible enabling technology for next generation wireless communications, channel estimation for FAS has become a pressing issue. Existing methodologies however face…

信号处理 · 电气工程与系统科学 2025-07-09 Zhen Chen , Jianqing Li , Xiu Yin Zhang , Kai-Kit Wong , Chan-Byoung Chae , Yangyang Zhang

This work considers multiple-input multiple-output (MIMO) communication systems using hierarchical modulation. A disadvantage of the maximum-likelihood (ML) MIMO detector is that computational complexity increases exponentially with the…

信息论 · 计算机科学 2016-02-24 Yigit Ugur , Ali Ozgur Yilmaz

Channel estimation is one of the key issues in practical massive multiple-input multiple-output (MIMO) systems. Compared with conventional estimation algorithms, deep learning (DL) based ones have exhibited great potential in terms of…

信息论 · 计算机科学 2021-08-24 Jiabao Gao , Mu Hu , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

Line detection is a basic digital image processing operation used by higher-level processing methods. Recently, transformer-based methods for line detection have proven to be more accurate than methods based on CNNs, at the expense of…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Sebastian Janampa , Marios Pattichis

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