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In this work, we present a novel robust distributed beamforming (RDB) approach based on low-rank and cross-correlation techniques. The proposed RDB approach mitigates the effects of channel errors in wireless networks equipped with relays…

Signal Processing · Electrical Eng. & Systems 2019-12-04 H. Ruan , R. C. de Lamare

The Sixth Generation (6G) of mobile networks is expected to use carrier frequencies in the spectrum above 100 GHz, to satisfy the demands for higher data rates and bandwidth of future digital applications. The development of networking…

Networking and Internet Architecture · Computer Science 2021-10-14 Amir Ashtari Gargari , Michele Polese , Michele Zorzi

This paper studies performance of various types of relay nodes in a 5G wireless network: conventional amplify-forward repeaters, (semi-)smart/smart amplify-forward repeaters with different levels of side information, and…

Networking and Internet Architecture · Computer Science 2024-07-30 Jianghong Luo , Ashwin Sampath , Navid Abedini , Tao Luo

The classification of fifth-generation New-Radio (5G-NR) mobile network traffic is an emerging topic in the field of telecommunications. It can be utilized for quality of service (QoS) management and dynamic resource allocation. However,…

Machine Learning · Computer Science 2023-07-18 Xiao Fei , Philippe Martins , Jialiang Lu

The problem of beam alignment and tracking in high mobility scenarios such as high-speed railway (HSR) becomes extremely challenging, since large overhead cost and significant time delay are introduced for fast time-varying channel…

Information Theory · Computer Science 2022-07-01 Fan Meng , Shengheng Liu , Yongming Huang , Zhaohua Lu

This paper targets the challenge of real-time LiDAR re-simulation in dynamic driving scenarios. Recent approaches utilize neural radiance fields combined with the physical modeling of LiDAR sensors to achieve high-fidelity re-simulation…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Chenxu Zhou , Lvchang Fu , Sida Peng , Yunzhi Yan , Zhanhua Zhang , Yong Chen , Jiazhi Xia , Xiaowei Zhou

The coexistence between active wireless communications and passive RF spectrum use becomes an increasingly important requirement for coordinated spectrum access supporting critical services. The ongoing research and technological progress…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Walaa Alqwider , Aly Sabri Abdalla , Vuk Marojevic

In this paper, a deterministic channel model for vehicle-to-vehicle (V2V) communication, is compared against channel measurement data collected during a V2V channel measurement campaign using a channel sounder. Channel metrics such as…

Networking and Internet Architecture · Computer Science 2015-08-04 Taimoor Abbas , Jörg Nuckelt , Thomas Kürner , Thomas Zemen , Christoph Mecklenbräuker , Fredrik Tufvesson

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

Effective channel estimation CE is critical for optimizing the performance of 5G New Radio NR systems particularly in dynamic environments where traditional methods struggle with complexity and adaptability This paper introduces GraphNet a…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Sajedeh Norouzi , Mostafa Rahmani , Yi Chu , Torsten Braun , Kaushik Chowdhury , Alister Burr

Industrial environments are considered to be severe from the point of view of electromagnetic (EM) wave propagation. When dealing with a wide range of industrial environments and deployment setups, ray-tracing channel emulation can capture…

Signal Processing · Electrical Eng. & Systems 2023-06-05 Gurjot Singh Bhatia , Yoann Corre , M. Di Renzo

Simultaneous localization and mapping (SLAM) is a key technology that provides user equipment (UE) tracking and environment mapping services, enabling the deep integration of sensing and communication. The millimeter-wave (mmWave)…

Information Theory · Computer Science 2023-05-23 Jie Yang , Chao-Kai Wen , Jing Xu , Hang Que , Haikun Wei , Shi Jin

The evolution toward 6G communication systems is expected to rely on integrated three-dimensional network architectures where terrestrial infrastructures coexist with non-terrestrial stations such as satellites, enabling ubiquitous…

Signal Processing · Electrical Eng. & Systems 2026-03-27 Nicolò Cenni , Marina Barbiroli , Vittorio Degli-Esposti , Enrico M. Vitucci , Carla Amatetti , Franco Fuschini

In this article, we present a real-time three dimensional (3D) hybrid beamforming for fifth generation (5G) wireless networks. One of the key concepts in 5G cellular systems is the small cell network, which settles the high mobile traffic…

Networking and Internet Architecture · Computer Science 2016-03-15 Jinyoung Jang , MinKeun Chung , Hae Gwang Hwang , Yeon-Geun Lim , Hong-jib Yoon , TaeckKeun Oh , Byung-Wook Min , Yongshik Lee , Kwang Soon Kim , Chan-Byoung Chae , Dong Ku Kim

Ensuring smooth mobility management while employing directional beamformed transmissions in 5G millimeter-wave networks calls for robust and accurate user equipment (UE) localization and tracking. In this article, we develop neural…

Signal Processing · Electrical Eng. & Systems 2024-06-25 Roman Klus , Jukka Talvitie , Julia Vinogradova , Gabor Fodor , Johan Torsner , Mikko Valkama

This paper presents details and applications of a novel channel simulation software named NYUSIM, which can be used to generate realistic temporal and spatial channel responses to support realistic physical- and link-layer simulations and…

Information Theory · Computer Science 2017-04-03 Shu Sun , George R. MacCartney , Theodore S. Rappaport

Massive multiple-input multiple-output (mMIMO) is a key capacity-boosting technology in 5G wireless systems. To reduce the number of radio frequency (RF) chains needed in such systems, a novel approach has recently been introduced involving…

Information Theory · Computer Science 2025-07-14 Sina Beyraghi , Giovanni Interdonato , Giovanni Geraci , Stefano Buzzi , Angel Lozano

As more and more people choose high-speed rail (HSR) as a means of transportation for short trips, there is ever growing demand of high quality of multimedia services. With its rich spectrum resources, millimeter wave (mm-wave)…

Information Theory · Computer Science 2022-05-24 Xutao Zhou , Xiangfei Zhang , Chen Chen , Yong Niu , Zhu Han , He Wang , Chengjun Sun , Bo Ai , Ning Wang

This paper presents a performance analysis framework for linear detection in fast-fading channels with possibly correlated channel and noise. The framework is both accurate and adaptable, making it well-suited for analyzing a wide range of…

Signal Processing · Electrical Eng. & Systems 2025-07-09 Almutasem Bellah Enad , Jihad Fahs , Hadi Sarieddeen , Hakim Jemaa , Tareq Y. Al-Naffouri

Ray tracing (RT) simulations require accurate transmitter (TX) and receiver (RX) location information from real-world measurements to accurately characterize wireless propagation behavior in an environment. Such wireless propagation…

Signal Processing · Electrical Eng. & Systems 2025-09-16 Mingjun Ying , Peijie Ma , Dipankar Shakya , Theodore S. Rappaport
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