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Channel modeling is fundamental to the analysis, design, and optimization of wireless communication systems, which, however, accurate wireless channel modeling remains challenging, especially given the increasingly complex wireless…

Signal Processing · Electrical Eng. & Systems 2026-05-13 Sheng Wang , Hengtao He , Chaozheng Wen , Jingwen Tong , Xinyu Li , Xiao Li , Jun Zhang , Shi Jin

We introduce a high resolution, 3D-consistent image and shape generation technique which we call StyleSDF. Our method is trained on single-view RGB data only, and stands on the shoulders of StyleGAN2 for image generation, while solving two…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Roy Or-El , Xuan Luo , Mengyi Shan , Eli Shechtman , Jeong Joon Park , Ira Kemelmacher-Shlizerman

We tackle the essential task of finding dense visual correspondences between a pair of images. This is a challenging problem due to various factors such as poor texture, repetitive patterns, illumination variation, and motion blur in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Runyu Mao , Chen Bai , Yatong An , Fengqing Zhu , Cheng Lu

This article proposes a generative neural network architecture for spatially consistent air-to-ground channel modeling. The approach considers the trajectories of uncrewed aerial vehicles along typical urban paths, capturing spatial…

Information Theory · Computer Science 2024-02-07 Amedeo Giuliani , Rasoul Nikbakht , Giovanni Geraci , Seongjoon Kang , Angel Lozano , Sundeep Rangan

Extremely large-scale antenna arrays, tremendously high frequencies, and new types of antennas are three clear trends in multi-antenna technology for supporting the sixth-generation (6G) networks. To properly account for the new…

Information Theory · Computer Science 2024-09-09 Yuanwei Liu , Zhaolin Wang , Jiaqi Xu , Chongjun Ouyang , Xidong Mu , Robert Schober

As one of the key technologies for the sixth generation (6G) mobile communications, intelligent reflecting surface IRS) has the advantages of low power consumption, low cost, and simple design methods. But channel modeling is still an open…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Yingzhuo Sun , Cheng-Xiang Wang , Jie Huang , Jun Wang

Channel models describe how wireless channel parameters behave in a given scenario, and help evaluate link- and system-level performance. A proper channel model should be able to faithfully reproduce the channel parameters obtained in field…

Information Theory · Computer Science 2017-07-11 Theodore S. Rappaport , Shu Sun , Mansoor Shafi

With the rapid advancement of diffusion-based generative models, Stable Diffusion (SD) has emerged as a state-of-the-art framework for high-fidelity im-age synthesis. However, existing SD models suffer from suboptimal feature aggregation,…

Graphics · Computer Science 2025-07-21 Zhen-Qi Chen , Yuan-Fu Yang

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

Large-scale multiple-input multiple-output (MIMO) holds great promise for the fifth-generation (5G) and future communication systems. In near-field scenarios, the spherical wavefront model is commonly utilized to accurately depict the…

Signal Processing · Electrical Eng. & Systems 2024-10-14 Hao Jiang , Wangqi Shi , Xiao Chen , Qiuming Zhu , Zhen Chen

Wireless channel modeling plays a pivotal role in designing, analyzing, and optimizing wireless communication systems. Nevertheless, developing an effective channel modeling approach has been a long-standing challenge. This issue has been…

Networking and Internet Architecture · Computer Science 2025-03-25 Chaozheng Wen , Jingwen Tong , Yingdong Hu , Zehong Lin , Jun Zhang

Digital twins are fundamental to the development of autonomous driving and embodied artificial intelligence. However, achieving high-granularity surface reconstruction and high-fidelity rendering remains a challenge. Gaussian splatting…

Robotics · Computer Science 2025-07-30 Jianheng Liu , Yunfei Wan , Bowen Wang , Chunran Zheng , Jiarong Lin , Fu Zhang

In this paper, the spatial consistency of wireless massive single-input-multiple-output channels in a cellular small cell scenario is evaluated based on measurements taken in Berlin city. The evaluation is done by computing the similarity…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Sida Dai , Martin Kurras

The performance evaluation of sixth generation (6G) communication systems is anticipated to be a controlled and repeatable process in the lab, which brings up the demand for wireless channel emulators. However, channel emulation for 6G…

Systems and Control · Electrical Eng. & Systems 2025-01-09 Yuan Zong , Lijian Xin , Jie Huang , Cheng-Xiang Wang

In this paper, a novel gamma-shadowed two-ray with diffuse power (GS-TWDP) composite fading model is proposed. The model is intended for modeling propagation in the emerging wireless networks working at millimeter wave (mmWave) frequencies,…

Signal Processing · Electrical Eng. & Systems 2022-03-07 Pamela Njemcevic , Almir Maric

Communications at mmWave frequencies will be a key enabler of the next generation of cellular networks, due to the multi-Gbps rate that can be achieved. However, there are still several problems that must be solved before this technology…

Information Theory · Computer Science 2018-09-06 Menglei Zhang , Michele Polese , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

The upcoming 6G technology is expected to operate in near-field (NF) radiating conditions thanks to high-frequency and electrically large antenna arrays. Although several studies have already addressed this possibility, it is worth noting…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Ahmed Elzanaty , Jiuyu Liu , Anna Guerra , Francesco Guidi , Yi Ma , Rahim Tafazolli

The recently standardized millimeter wave-based 3GPP New Radio technology is expected to become an enabler for both enhanced Mobile Broadband (eMBB) and ultra-reliable low latency communication (URLLC) services specified to future 5G…

Networking and Internet Architecture · Computer Science 2019-08-26 Roman Kovalchukov , Dmitri Moltchanov , Yuliya Gaidamaka , Ekaterina Bobrikova

The wireless channel of 5G communications will have unique characteristics that can not be fully apprehended by the traditional fading models. For instance, the wireless channel may often be dominated by a finite number of specular…

Information Theory · Computer Science 2018-10-15 Young Jin Chun

Maritime channel modeling is crucial for designing robust nearshore communication systems, yet reliable models that account for the dynamic marine environment with varying sea waves, wind conditions, and vessel motions remain scarce. This…

Signal Processing · Electrical Eng. & Systems 2025-12-18 Shu Sun , Yulu Guo , Meixia Tao , Wei Feng , Jun Chen , Ruifeng Gao , Ye Li , Jue Wang , Theodore S. Rappaport