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相关论文: Two-Stage Radio Map Construction with Real Environ…

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Unified 2D and 3D radio map construction supports network planning, wireless digital twins, and unmanned aerial vehicle (UAV) applications. In urban environments, blockage, reflection, and diffraction make accurate construction expensive…

信号处理 · 电气工程与系统科学 2026-04-28 Weiming Huang , Hao Sun , Junting Chen

Extremely large-scale multiple-input-multiple-output (XL-MIMO) is a promising technique to achieve ultra-high spectral efficiency for future 6G communications. The mixed line-of-sight (LoS) and non-line-of-sight (NLoS) XL-MIMO near-field…

信号处理 · 电气工程与系统科学 2024-06-18 Ming Ye , Xiao Liang , Cunhua Pan , Yinfei Xu , Ming Jiang , Chunguo Li

This paper proposes a geomagnetic and inertial combined navigation approach based on the flexible correction-model predictive control algorithm (Fc-MPC). This approach aims to overcome the limitations of existing combined navigation methods…

系统与控制 · 电气工程与系统科学 2024-12-10 Xiaohui Zhang , Xingming Li , Songnan Yang , Wenqi Bai , Yirong Lan

Next generation communication systems require accurate beam alignment to counteract the impairments that characterize propagation in high-frequency bands. The overhead of the pilot sequences required to select the best beam pair is…

信号处理 · 电气工程与系统科学 2024-02-27 Tien Ngoc Ha , Daniel Romero , Roberto López-Valcarce

Radio channel modeling is one of the most fundamental aspects in the process of designing, optimizing, and simulating wireless communication networks. In this field, long-established approaches such as analytical channel models and ray…

网络与互联网体系结构 · 计算机科学 2021-12-16 Benjamin Sliwa , Melina Geis , Caner Bektas , Melisa Lopéz , Preben Mogensen , Christian Wietfeld

We address the problem of fast time-varying channel estimation in millimeter-wave (mmWave) MIMO systems with imperfect channel state information (CSI) and facilitate efficient channel reconstruction. Specifically, leveraging the low-rank…

信号处理 · 电气工程与系统科学 2025-11-11 Tianyu Jiang , Yan Yang , Hongjin Liu , Runyu Han , Bo Ai , Mohsen Guizani

In wireless networks, radio-frequency (RF) maps are critical for tasks such as capacity planning, coverage estimation, and localization. Traditional approaches for obtaining RF maps, including site surveys and ray-tracing simulations, are…

网络与互联网体系结构 · 计算机科学 2026-03-17 Sopan Sarkar , Marwan Krunz

Generative adversarial networks (GANs) have shown remarkable success in generating realistic data from some predefined prior distribution (e.g., Gaussian noises). However, such prior distribution is often independent of real data and thus…

机器学习 · 计算机科学 2020-08-04 Jiezhang Cao , Yong Guo , Qingyao Wu , Chunhua Shen , Junzhou Huang , Mingkui Tan

An effective perception system is a fundamental component for farming robots, as it enables them to properly perceive the surrounding environment and to carry out targeted operations. The most recent methods make use of state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Mulham Fawakherji , Ciro Potena , Alberto Pretto , Domenico D. Bloisi , Daniele Nardi

Radio map, or pathloss map prediction, is a crucial method for wireless network modeling and management. By leveraging deep learning to construct pathloss patterns from geographical maps, an accurate digital replica of the transmission…

信号处理 · 电气工程与系统科学 2025-01-14 Yuxuan Li , Cheng Zhang , Wen Wang , Yongming Huang

Magnetic resonance imaging plays an important role in computer-aided diagnosis and brain exploration. However, limited by hardware, scanning time and cost, it's challenging to acquire high-resolution (HR) magnetic resonance (MR) image…

图像与视频处理 · 电气工程与系统科学 2020-11-10 Senrong You , Yong Liu , Baiying Lei , Shuqiang Wang

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

Fine-grained radio map presents communication parameters of interest, e.g., received signal strength, at every point across a large geographical region. It can be leveraged to improve the efficiency of spectrum utilization for a large area,…

信号处理 · 电气工程与系统科学 2025-07-09 Zhiyuan Liu , Shuhang Zhang , Qingyu Liu , Hongliang Zhang , Lingyang Song

Spectrum cartography (SC), also known as radio map estimation (RME), aims at crafting multi-domain (e.g., frequency and space) radio power propagation maps from limited sensor measurements. While early methods often lacked theoretical…

信号处理 · 电气工程与系统科学 2023-08-25 Subash Timilsina , Sagar Shrestha , Xiao Fu

A framework is proposed for developing and evaluating algorithms for extracting multipath propagation components (MPCs) from measurements collected by sounders at millimeter-wave (mmW) frequencies. To focus on algorithmic performance, an…

Radio map describes network coverage and is a practically important tool for network planning in modern wireless systems. Generally, radio strength measurements are collected to construct fine-resolution radio maps for analysis. However,…

信号处理 · 电气工程与系统科学 2022-09-13 Songyang Zhang , Tianhang Yu , Jonathan Tivald , Brian Choi , Feng Ouyang , Zhi Ding

As the demand for high-quality services proliferates, an innovative network architecture, the fully-decoupled RAN (FD-RAN), has emerged for more flexible spectrum resource utilization and lower network costs. However, with the decoupling of…

信息论 · 计算机科学 2024-04-04 Jiwei Zhao , Jiacheng Chen , Zeyu Sun , Yuhang Shi , Haibo Zhou , Xuemin , Shen

Terahertz (THz) communications are envisioned as a promising technology for 6G and beyond wireless systems, providing ultra-broad bandwidth and thus Terabit-per-second (Tbps) data rates. However, as foundation of designing THz…

信号处理 · 电气工程与系统科学 2023-01-04 Zhengdong Hu , Yuanbo Li , Chong Han

Generative Adversarial Networks (GANs) have shown remarkable successes in generating realistic images and interpolating changes between images. Existing models, however, do not take into account physical contexts behind images in generating…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Hayato Futase , Tomoki Tsujimura , Tetsuya Kajimoto , Hajime Kawarazaki , Toshiyuki Suzuki , Makoto Miwa , Yutaka Sasaki

A framework is proposed for developing and evaluating algorithms for extracting multipath propagation components (MPCs) from measurements collected by channel sounders at millimeter-wave frequencies. Sounders equipped with an…

信号处理 · 电气工程与系统科学 2023-10-16 Akbar Sayeed , Damla Guven , Michael Doebereiner , Sebastian Semper , Camillo Gentile , Anuraag Bodi , Zihang Cheng