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相关论文: HeterCSI: Channel-Adaptive Heterogeneous CSI Pretr…

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Hybrid beamforming is a promising technique to reduce the complexity and cost of massive multiple-input multiple-output (MIMO) systems while providing high data rate. However, the hybrid precoder design is a challenging task requiring…

信号处理 · 电气工程与系统科学 2021-05-28 Hamed Hojatian , Jeremy Nadal , Jean-Francois Frigon , Francois Leduc-Primeau

Despite the strong Doppler resilience capability, orthogonal time-frequency space (OTFS) modulation suffers from high channel estimation and equalization complexity at the receiver, hindering its applicability in air-ground transmission. In…

信号处理 · 电气工程与系统科学 2025-11-10 Weihao Wang , Jing Guo , Siqiang Wang , Xinyi Wang , Weijie Yuan , Zesong Fei

Wi-Fi channel measurements across different bands, e.g., sub-7-GHz and 60-GHz bands, are asynchronous due to the uncoordinated nature of distinct standards protocols, e.g., 802.11ac/ax/be and 802.11ad/ay. Multi-band Wi-Fi fusion has been…

信号处理 · 电气工程与系统科学 2024-07-19 Sorachi Kato , Pu Perry Wang , Toshiaki Koike-Akino , Takuya Fujihashi , Hassan Mansour , Petros Boufounos

We explore semantic segmentation beyond the conventional, single-dataset homogeneous training and bring forward the problem of Heterogeneous Training of Semantic Segmentation (HTSS). HTSS involves simultaneous training on multiple…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Panagiotis Meletis , Gijs Dubbelman

Massive MIMO wireless FDD systems are often confronted by the challenge to efficiently obtain downlink channel state information (CSI). Previous works have demonstrated the potential in CSI encoding and recovery by take advantage of…

信息论 · 计算机科学 2021-12-20 Yu-Chien Lin , Zhenyu Liu , Ta-Sung Lee , Zhi Ding

Massive multiple-input multiple-output (MIMO) technology is a key enabler of modern wireless communication systems, which demand accurate downlink channel state information (CSI) for optimal performance. Although deep learning (DL) has…

信号处理 · 电气工程与系统科学 2025-05-14 Ruonan Ren , Jianhua Mo , Meixia Tao

Reconfigurable intelligent surface (RIS) technology has the potential to significantly enhance the spectral efficiency (SE) of 6G wireless networks. However, practical deployment remains constrained by challenges in accurate channel…

信号处理 · 电气工程与系统科学 2026-02-11 Mohammad Ghassemi , Han Zhang , Ali Afana , Akram Bin Sediq , Melike Erol-Kantarci

Channel foundation models assume access to fully observed channels, an assumption that fails in deployment. We introduce PilotWiMAE, a self-supervised framework whose encoder ingests noisy pilot observations directly and whose attention…

信号处理 · 电气工程与系统科学 2026-05-26 Berkay Guler , Giovanni Geraci , Hamid Jafarkhani

In this paper, we combat the problem of performance optimization in wireless sensor networks. Specifically, a novel framework is proposed to handle two major research issues. Firstly, we optimize the utilization of resources available to…

网络与互联网体系结构 · 计算机科学 2017-12-13 Muzammil Behzad , Manal Abdullah , Muhammad Talal Hassan , Yao Ge , Mahmood Ashraf Khan

In this paper, a green learning (GL)-based precoding framework is proposed for simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided millimeter-wave (mmWave) MIMO broadcasting systems. Motivated by…

信号处理 · 电气工程与系统科学 2026-05-05 Yu-Hsiang Huang , Po-Heng Chou , Wan-Jen Huang , Walid Saad , C. -C. Jay Kuo

This paper presents a novel vision transformer (ViT) based deep joint source channel coding (DeepJSCC) scheme, dubbed DeepJSCC-l++, which can be adaptive to multiple target bandwidth ratios as well as different channel signal-to-noise…

信号处理 · 电气工程与系统科学 2023-12-04 Chenghong Bian , Yulin Shao , Deniz Gunduz

Channel state information (CSI) is crucial for massive multi-input multi-output (MIMO) system. As the antenna scale increases, acquiring CSI results in significantly higher system overhead. In this letter, we propose a novel channel…

信号处理 · 电气工程与系统科学 2024-08-14 Lianzheng Shi , Jianhua Zhang , Li Yu , Yuxiang Zhang , Zhen Zhang , Yichen Cai , Guangyi Liu

In high-mobility 6G scenarios, rapidly time-varying channels lead to very short coherence times, which makes conventional pilot-based channel state information (CSI) estimation approaches prone to outdated information or excessive pilot…

信号处理 · 电气工程与系统科学 2026-04-07 Mohsen Kazemian , Jürgen Jasperneite

Massive multiple-input multiple-output (MIMO) enjoys great advantage in 5G wireless communication systems owing to its spectrum and energy efficiency. However, hundreds of antennas require large volumes of pilot overhead to guarantee…

信号处理 · 电气工程与系统科学 2023-09-26 An Chen , Wenbo Xu , Liyang Lu , Yue Wang

To meet the robust and high-speed communication requirements of the sixth-generation (6G) mobile communication system in complex scenarios, sensing- and artificial intelligence (AI)-based digital twin channel (DTC) techniques become a…

信号处理 · 电气工程与系统科学 2025-09-09 Yichen Cai , Jianhua Zhang , Li Yu , Zhen Zhang , Yuxiang Zhang , Lianzheng Shi , Yuelong Qiu , Yong Zeng

Embedding models have been an effective learning paradigm for high-dimensional data. However, one open issue of embedding models is that their representations (latent factors) often result in large parameter space. We observe that existing…

机器学习 · 计算机科学 2021-12-15 Xupeng Miao , Hailin Zhang , Yining Shi , Xiaonan Nie , Zhi Yang , Yangyu Tao , Bin Cui

Channel state information (CSI) in the interference channel can be used to precode, align, and reduce the dimension of interference at the receivers, to achieve the channel's maximum multiplexing gain, through what is known as interference…

信息论 · 计算机科学 2015-06-03 Omar El Ayach , Robert W. Heath

Despite impressive performance, deep neural networks require significant memory and computation costs, prohibiting their application in resource-constrained scenarios. Sparse training is one of the most common techniques to reduce these…

机器学习 · 计算机科学 2023-12-06 Bowen Lei , Dongkuan Xu , Ruqi Zhang , Shuren He , Bani K. Mallick

Recent success of vision foundation models have shown promising performance for the 2D perception tasks. However, it is difficult to train a 3D foundation network directly due to the limited dataset and it remains under explored whether…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Qingdong He , Jinlong Peng , Zhengkai Jiang , Xiaobin Hu , Jiangning Zhang

Extremely large-scale multiple-input multiple-output (XL-MIMO) is crucial for satisfying the high data rate requirements of the sixth-generation (6G) wireless networks. In this context, ensuring accurate acquisition of channel state…

信号处理 · 电气工程与系统科学 2024-05-27 Hao Lei , Jiayi Zhang , Zhe Wang , Bo Ai , Derrick Wing Kwan Ng
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