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The efficient construction of accurate channel knowledge maps (CKMs) is crucial for unleashing the full potential of environment-aware wireless networks, yet it remains a difficult ill-posed problem due to the sparsity of available…

Information Theory · Computer Science 2026-01-13 Ziyu Huang , Yong Zeng , Shen Fu , Xiaoli Xu , Hongyang Du

In this paper, we propose a model-driven channel estimation method utilizing a convolutional neural network (CNN) derived from image super-resolution (SR). Instead of completely abandoning traditional communication modules as data-driven…

Signal Processing · Electrical Eng. & Systems 2019-12-02 Xin Ru , Li Wei , Youyun Xu

Over the last two decades, the Latent Position Model (LPM) has become a prominent tool to obtain model-based visualizations of networks. However, the geometric structure of the LPM is inherently symmetric, in the sense that outgoing and…

Methodology · Statistics 2026-02-02 Chaoyi Lu , Riccardo Rastelli

Channel knowledge map (CKM) is a novel technique for achieving environment awareness, and thereby improving the communication and sensing performance for wireless systems. A fundamental problem associated with CKM is how to construct a…

Signal Processing · Electrical Eng. & Systems 2024-11-15 Shiyu Wang , Xiaoli Xu , Yong Zeng

Industrial automation is one of the key application scenarios of the fifth (5G) wireless communication network. The high requirements of industrial communication systems for latency and reliability lead to the need for industrial channel…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Yuxiao Li , Cheng-Xiang Wang , Yang Liu

This paper presents a statistical block fading channel model for multiuser massive MIMO system. The proposed channel model is evolved from correlation based stochastic channel model (CBSCM) but in addition to the properties of CBSCM, it has…

Information Theory · Computer Science 2016-04-05 Suresh Dahiya

To alleviate the pilot and CSI-feedback burden in 6G, channel knowledge map (CKM) has emerged as a promising approach that predicts CSI solely from user locations. Nevertheless, accurate location information is rarely available in current…

Signal Processing · Electrical Eng. & Systems 2026-03-18 Kequan Zhou , Guangyi Zhang , Hanlei Li , Yunlong Cai , Guanding Yu

An evolution of Wireless Communications towards 5G and beyond provides improved user experience in terms of quality of services. Understanding and estimating Channel information plays crucial role in providing better user experience.…

Signal Processing · Electrical Eng. & Systems 2026-05-05 A. Sathi Babu , V. Udaya Sankar , Vishnu Ram OV

The sparsity of multipaths in the wideband channel has motivated the use of compressed sensing for channel estimation. In this letter, we propose a different approach to sparse channel estimation. We exploit the fact that $L$ taps of…

Information Theory · Computer Science 2022-01-24 Woong-Hee Lee , Ki Won Sung

In future wireless networks, the availability of information on the position of mobile agents and the propagation environment can enable new services and increase the throughput and robustness of communications. Multipath-based simultaneous…

Signal Processing · Electrical Eng. & Systems 2024-10-01 Mingchao Liang , Erik Leitinger , Florian Meyer

The emergence of 6th generation (6G) mobile networks brings new challenges in supporting high-mobility communications, particularly in addressing the issue of channel aging. While existing channel prediction methods offer improved accuracy…

Machine Learning · Computer Science 2024-10-30 Yanliang Jin , Yifan Wu , Yuan Gao , Shunqing Zhang , Shugong Xu , Cheng-Xiang Wang

5G enabled maritime unmanned aerial vehicle (UAV) communication is one of the important applications of 5G wireless network which requires minimum latency and higher reliability to support mission-critical applications. Therefore, lossless…

Signal Processing · Electrical Eng. & Systems 2022-05-10 Iftikhar Rasheed , Muhammad Asif , Asim Ihsan , Wali Ullah Khan , Manzoor Ahmed , Khaled Rabie

Fingerprinting-based positioning significantly improves the indoor localization performance in non-line-of-sight-dominated areas. However, its deployment and maintenance is cost-intensive as it needs ground-truth reference systems for both…

Signal Processing · Electrical Eng. & Systems 2022-10-13 Maximilian Stahlke , George Yammine , Tobias Feigl , Bjoern M. Eskofier , Christopher Mutschler

Accurate wireless channel estimation is critical for next-generation wireless systems, enabling precise precoding for effective user separation, reduced interference across cells, and high-resolution sensing, among other benefits.…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Alireza Javid , Nuria González-Prelcic

Accurate and robust localization is a critical enabler for emerging 5G and 6G applications, including autonomous driving, extended reality (XR), and smart manufacturing. While data-driven approaches have shown promise, most existing models…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Guangjin Pan , Kaixuan Huang , Hui Chen , Shunqing Zhang , Christian Häger , Henk Wymeersch

5G mmWave communication is useful for positioning due to the geometric connection between the propagation channel and the propagation environment. Channel estimation methods can exploit the resulting sparsity to estimate parameters(delay…

Information Theory · Computer Science 2020-05-25 Fuxi Wen , Josef Kulmer , Klaus Witrisal , Henk Wymeersch

Accurate and efficient traffic classification is vital for wireless network management, especially under encrypted payloads and dynamic application behavior, where traditional methods such as port-based identification and deep packet…

Machine Learning · Computer Science 2025-09-23 Ke Ma , Jialiang Lu , Philippe Martins

We report here that channel power gain and Root-Mean-Square Delay Spread (RMS-DS) in Low/Medium Voltage power line channels are negatively correlated lognormal random variables. Further analysis of other wireline channels allows us to…

Information Theory · Computer Science 2015-03-17 Stefano Galli

Due to the limited training samples in few-shot object detection (FSOD), we observe that current methods may struggle to accurately extract effective features from each channel. Specifically, this issue manifests in two aspects: i) channels…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zhimeng Xin , Tianxu Wu , Yixiong Zou , Shiming Chen , Dingjie Fu , Xinge You

Holographic massive multiple-input multiple-output (MIMO), in which a spatially continuous surface is being used for signal transmission and reception, have emerged as a promising solution for improving the coverage and data rate of…

Information Theory · Computer Science 2022-06-15 Mojtaba Ghermezcheshmeh , Vahid Jamali , Haris Gacanin , Nikola Zlatanov