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Spectrum sharing, as an approach to significantly improve spectrum efficiency in the era of 6th generation mobile networks (6G), has attracted extensive attention. Radio Environment Map (REM) based low-complexity spectrum sharing is widely…

Robotics · Computer Science 2022-03-30 Zhiqing Wei , Rubing Yao , Jie Kang , Xu Chen , Huici Wu

Accurate channel estimation is crucial for the improvement of signal processing performance in wireless communications. However, traditional model-based methods frequently experience difficulties in dynamic environments. Similarly,…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Thien Hieu Hoang , Tri Nhu Do , Georges Kaddoum

Integrating artificial intelligence (AI) into wireless channel modeling requires large, accurate, and physically consistent datasets derived from real measurements. Such datasets are essential for training and validating models that learn…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Isha Jariwala , Xinquan Wang , Bridget Meier , Guanyue Qian , Dipankar Shakya , Mingjun Ying , Homa Nikbakht , Daniel Abraham , Theodore S. Rappaport

This paper proposes a novel UAV-to-Vehicle (U2V) channel model for sixth-generation (6G) intelligent sensing-communication integration, based on three-dimensional (3D) scatterer prediction. To explore the mapping relationship between…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Shuo Wang , Zengrui Han , Lu Bai , Xiang Cheng

Based on the vision on the 6G wireless communication network, i.e., global coverage, all spectrums and all applications, we comprehensively survey 6G related wireless channel measurements, channel characteristics, and channel models for all…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao , Xiaohu You , Yang Hao

Channel covariance matrix (CCM) is one critical parameter for designing the communications systems. In this paper, a novel framework of the deep learning (DL) based CCM estimation is proposed that exploits the perception of the transmission…

Signal Processing · Electrical Eng. & Systems 2023-04-19 Weihua Xu , Feifei Gao , Jianhua Zhang , Xiaoming Tao , Ahmed Alkhateeb

In this paper, a novel three-dimensional (3D) space-time-frequency (STF) non-stationary geometry-based stochastic model (GBSM) is proposed for the sixth generation (6G) terahertz (THz) wireless communication systems. The proposed THz…

Signal Processing · Electrical Eng. & Systems 2021-04-21 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao

As of today, the fifth generation (5G) mobile communication system has been rolled out in many countries and the number of 5G subscribers already reaches a very large scale. It is time for academia and industry to shift their attention…

Signal Processing · Electrical Eng. & Systems 2021-03-11 Wei Jiang , Bin Han , Mohammad Asif Habibi , Hans Dieter Schotten

The communication scenarios and channel characteristics of 6G will be more complex and difficult to characterize. Conventional methods for channel prediction face challenges in achieving an optimal balance between accuracy, practicality,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Xuejian Zhang , Ruisi He , Mi Yang , Zhengyu Zhang , Ziyi Qi , Bo Ai

Cooperative perception, which has a broader perception field than single-vehicle perception, has played an increasingly important role in autonomous driving to conduct 3D object detection. Through vehicle-to-vehicle (V2V) communication…

Information Theory · Computer Science 2023-11-14 Yucheng Sheng , Hao Ye , Le Liang , Shi Jin , Geoffrey Ye Li

Compared to the current wireless communication systems, millimeter wave (mm-Wave) promises a wide range of spectrum. As viable alternatives to existing mm-Wave channel models, various map-based channel models with different modeling methods…

Information Theory · Computer Science 2019-07-11 Yeon-Geun Lim , Yae Jee Cho , MinSoo Sim , Younsun Kim , Chan-Byoung Chae , Reinaldo A. Valenzuela

Low-altitude wireless networks (LAWN) are rapidly expanding with the growing deployment of unmanned aerial vehicles (UAVs) for logistics, surveillance, and emergency response. Reliable connectivity remains a critical yet challenging task…

Machine Learning · Computer Science 2026-01-06 Nguyen Duc Minh Quang , Chang Liu , Huy-Trung Nguyen , Shuangyang Li , Derrick Wing Kwan Ng , Wei Xiang

This white paper explores future localization and sensing opportunities for beyond 5G wireless communication systems by identifying key technology enablers and discussing their underlying challenges, implementation issues, and identifying…

Semantic segmentation of raw 3D point clouds is an essential component in 3D scene analysis, but it poses several challenges, primarily due to the non-Euclidean nature of 3D point clouds. Although, several deep learning based approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Saqib Ali Khan , Yilei Shi , Muhammad Shahzad , Xiao Xiang Zhu

Radio map is an efficient demonstration for visually displaying the wireless signal coverage within a certain region. It has been considered to be increasingly helpful for the future sixth generation (6G) of wireless networks, as wireless…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Shuhang Zhang , Shuai Jiang , Wanjie Lin , Zheng Fang , Kangjun Liu , Hongliang Zhang , Ke Chen

Quantum Key Distribution (QKD) can provide information-theoretically secure communications and is a strong candidate for the next generation of cryptography. However, in practice, the performance of QKD is limited by "practical…

Quantum Physics · Physics 2020-04-24 Wenyuan Wang

Sixth-generation (6G) mobile communications have attracted substantial attention in the global research community of information and communication technologies (ICTs). 6G systems are expected to support not only extended 5G usage scenarios…

The design and technology development of 6G-enabled networked intelligent systems needs an accurate real-time channel model as the cornerstone. However, with the new requirements of 6G-enabled networked intelligent systems, the conventional…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Lu Bai , Zengrui Han , Xuesong Cai , Xiang Cheng

Millimeter-wave (mmWave) channels, which occupy frequency ranges much higher than those being used in previous wireless communications systems, are utilized to meet the increased throughput requirements that come with 5G communications. The…

Signal Processing · Electrical Eng. & Systems 2023-02-16 Esen Özbay

This paper investigates narrowband coordinated user scheduling in multi-cell massive multiple-input multiple-output (MIMO) systems. We formulate the problem under a spectral-efficiency maximization criterion, revealing inherent challenges…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Jiayang Wan , Hongwei Hou , Jiawei Zhuang , Wenjin Wang , Shi Jin
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