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The blockage is a key challenge for millimeter wave communication systems, since these systems mainly work on line-of-sight (LOS) links, and the blockage can degrade the system performance significantly. It is recently found that visual…

Signal Processing · Electrical Eng. & Systems 2022-07-27 Ruijin Ding , Weihua Xu , Wanmai Yuan , Feifei Gao

Multi-view videos (MVVs) provide immersive viewing experience, at the cost of heavy load to wireless networks. Except for further improving viewing experience, view synthesis can create multicast opportunities for efficient transmission of…

Information Theory · Computer Science 2018-08-16 Wei Xu , Yuzhuo Wei , Ying Cui , Zhi Liu

In this letter, we propose a novel mmWave beam selection method based on the environment semantics extracted from user-side camera images. Specifically, we first define the environment semantics as the spatial distribution of the scatterers…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Feiyang Wen , Weihua Xu , Feifei Gao , Chengkang Pan , Guangyi Liu

We consider a system with a Base Station (BS) and multiple mobile/stationary users. BS uses millimeter waves (mmWaves) for data transmission and hence needs to align beams in the directions of the end-users. The idea is to avail regular…

Optimization and Control · Mathematics 2022-11-04 Shiksha Singhal , Veeraruna Kavitha , Sreenath Ramanath

Beam alignment - the process of finding an optimal directional beam pair - is a challenging procedure crucial to millimeter wave (mmWave) communication systems. We propose a novel beam alignment method that learns a site-specific probing…

Signal Processing · Electrical Eng. & Systems 2021-07-29 Yuqiang Heng , Jianhua Mo , Jeffrey G. Andrews

Millimeter-wave (mmWave) and terahertz (THz) communication systems typically deploy large antenna arrays to guarantee sufficient receive signal power. The beam training overhead associated with these arrays, however, make it hard for these…

Signal Processing · Electrical Eng. & Systems 2022-05-25 Gouranga Charan , Andrew Hredzak , Christian Stoddard , Benjamin Berrey , Madhav Seth , Hector Nunez , Ahmed Alkhateeb

In many practices, scientists are particularly interested in detecting which of the predictors are truly associated with a multivariate response. It is more accurate to model multiple responses as one vector rather than separating each…

Methodology · Statistics 2021-11-16 Xiaotian Dai , Guifang Fu , Randall Reese , Shaofei Zhao , Zuofeng Shang

Beamforming-capable antenna arrays overcome the high free-space path loss at higher carrier frequencies. However, the beams must be properly aligned to ensure that the highest power is radiated towards (and received by) the user equipment…

Systems and Control · Electrical Eng. & Systems 2022-09-15 George Yammine , Georgios Kontes , Norbert Franke , Axel Plinge , Christopher Mutschler

In intelligent transportation systems (ITS), vehicles are expected to feature with advanced applications and services which demand ultra-high data rates and low-latency communications. For that, the millimeter wave (mmWave) communication…

Networking and Internet Architecture · Computer Science 2021-06-08 Nguyen Van Huynh , Diep N. Nguyen , Dinh Thai Hoang , Eryk Dutkiewicz

Advancements in 6G wireless technology have elevated the importance of beamforming, especially for attaining ultra-high data rates via millimeter-wave (mmWave) frequency deployment. Although promising, mmWave bands require substantial beam…

Networking and Internet Architecture · Computer Science 2024-07-31 Avi Deb Raha , Kitae Kim , Apurba Adhikary , Mrityunjoy Gain , Zhu Han , Choong Seon Hong

Massive multiple-input multiple-output (mMIMO) communications are one of the enabling technologies of 5G and beyond networks. While prior work indicates that mMIMO networks employing time division duplexing have a significant capacity…

Signal Processing · Electrical Eng. & Systems 2020-12-17 Flavio Maschietti , Gábor Fodor , David Gesbert , Paul de Kerret

Predicting future motion trajectories is a critical capability across domains such as robotics, autonomous systems, and human activity forecasting, enabling safer and more intelligent decision-making. This paper proposes a novel, efficient,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Zesen Zhong , Duomin Zhang , Yijia Li

Connected and Autonomous Vehicles (CAVs) require continuous access to sensory data to perform complex high-speed maneuvers and advanced trajectory planning. High priority CAVs are particularly reliant on extended perception horizon…

Networking and Internet Architecture · Computer Science 2022-09-05 Ioannis Mavromatis , Andrea Tassi , Robert J. Piechocki , Andrew Nix

Millimeter wave (mmWave) systems will likely employ directional beamforming with large antenna arrays at both the transmitters and receivers. Acquiring channel knowledge to design these beamformers, however, is challenging due to the large…

Information Theory · Computer Science 2016-11-15 Ahmed Alkhateeb , Geert Leus , Robert W. Heath

We consider the problem of distributed downlink beam scheduling and power allocation for millimeter-Wave (mmWave) cellular networks where multiple base stations (BSs) belonging to different service operators share the same unlicensed…

Information Theory · Computer Science 2021-10-19 Xiang Zhang , Shamik Sarkar , Arupjyoti Bhuyan , Sneha Kumar Kasera , Mingyue Ji

The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) systems. The hybrid beamforming architecture which uses fewer…

Signal Processing · Electrical Eng. & Systems 2022-11-17 Evangelos Vlachos , Aryan Kaushik , Muhammad Z. Shakir

Millimeter wave (mmWave) signals are much more sensitive to blockage, which results in a significant increase of the outage probability, especially for the users at the edge of the cells. In this paper, we exploit the technique of base…

Information Theory · Computer Science 2018-06-15 Hui-Ming Wang , Ke-Wen Huang , Theodoros A. Tsiftsis

This paper presents an experimental study on mmWave beam profiling on a mmWave testbed, and develops a machine learning model for beamforming based on the experiment data. The datasets we have obtained from the beam profiling and the…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Efat Samir Fathalla , Sahar Zargarzadeh , Chunsheng Xin , Hongyi Wu , Peng Jiang , Joao F. Santos , Jacek Kibilda , Aloizio Pereira da

Millimeter wave channels exhibit structure that allows beam alignment with fewer channel measurements than exhaustive beam search. From a compressed sensing (CS) perspective, the received channel measurements are usually obtained by…

Signal Processing · Electrical Eng. & Systems 2019-11-13 Nitin Jonathan Myers , Yuyang Wang , Nuria González-Prelcic , Robert W. Heath

This paper presents the first large-scale real-world evaluation for using LiDAR data to guide the mmWave beam prediction task. A machine learning (ML) model that leverages the LiDAR sensory data to predict the current and future beams was…

Signal Processing · Electrical Eng. & Systems 2022-03-11 Shuaifeng Jiang , Gouranga Charan , Ahmed Alkhateeb
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