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Meeting the high data rate demands of modern applications necessitates the utilization of high-frequency spectrum bands, including millimeter-wave and sub-terahertz bands. However, these frequencies require precise alignment of narrow…

Information Theory · Computer Science 2024-12-05 Sachira Karunasena , Erfan Khordad , Thomas Drummond , Rajitha Senanayake

In this paper, we investigate the millimeter-wave (mmWave) near-field beam training problem to find the correct beam direction. In order to address the high complexity and low identification accuracy of existing beam training techniques, we…

Information Theory · Computer Science 2024-04-10 Yuan Xu , Li Wei , Chongwen Huang , Chen Zhu , Zhaohui Yang , Jun Yang , Jiguang He , Zhaoyang Zhang , Mérouane Debbah

Fast and precise beam alignment is crucial for high-quality data transmission in millimeter-wave (mmWave) communication systems, where large-scale antenna arrays are utilized to overcome the severe propagation loss. To tackle the…

Signal Processing · Electrical Eng. & Systems 2023-08-24 Junyi Yang , Weifeng Zhu , Meixia Tao , Shu Sun

In this paper, we develop an algorithm for joint handover and beam tracking in millimeter-wave (mmWave) networks. The aim is to provide a reliable connection in terms of the achieved throughput along the trajectory of the mobile user while…

Systems and Control · Electrical Eng. & Systems 2023-01-16 Sara Khosravi , Hossein S. Ghadikolaei , Jens Zander , Marina Petrova

Beamforming techniques are utilized in millimeter wave (mmWave) communication to address the inherent path loss limitation, thereby establishing and maintaining reliable connections. However, adopting standard defined beamforming approach…

Networking and Internet Architecture · Computer Science 2025-09-16 Muhammad Baqer Mollah , Honggang Wang , Hua Fang

Millimeter wave (mmWave) communication is one feasible solution for high data-rate applications like vehicular-to-everything communication and next generation cellular communication. Configuring mmWave links, which can be done through…

Information Theory · Computer Science 2017-03-01 Anum Ali , Nuria González-Prelcic , Robert W. Heath

In this paper, we propose a deep learning-based beam tracking method for millimeter-wave (mmWave)communications. Beam tracking is employed for transmitting the known symbols using the sounding beams and tracking time-varying channels to…

Signal Processing · Electrical Eng. & Systems 2022-12-05 Sun Hong Lim , Sunwoo Kim , Byonghyo Shim , Jun Won Choi

Millimeter-wave multi-input multi-output (mm-Wave MIMO) systems are one of the candidate schemes for 5G wireless standardization efforts. In this context, the main contributions of this article are three-fold. 1) We describe parallel sets…

Fifth generation wireless systems are expected to employ multiple antenna communication at millimeter wave (mmWave) frequencies using small cells within heterogeneous cellular networks. The high path loss of mmWave as well as physical…

Information Theory · Computer Science 2015-05-19 Jiho Song , Junil Choi , Stephen G. Larew , David J. Love , Timothy A. Thomas , Amitava Ghosh

In the beyond fifth-generation (B5G) and upcoming sixth-generation (6G) wireless communication systems, millimeter (mmWave) wave technology is a promising solution for offering additional bandwidth resources and mitigating spectrum…

Signal Processing · Electrical Eng. & Systems 2025-10-10 Jiawei Zhang , Shihan Wang , Jienan Chen , Fan Wu , Jiyun Tao , Zheqi Gu

Although millimeter wave (mmWave) systems promise to offer larger bandwidth and unprecedented peak data rates, their practical implementation faces several hardware challenges compared to sub-6 GHz communication systems. These hardware…

Information Theory · Computer Science 2018-11-09 Xi Yang , Michail Matthaiou , Jie Yang , Chao-Kai Wen , Feifei Gao , Shi Jin

Reconfigurable distributed antenna and reflecting surface (RDARS) is a new architecture for the sixth-generation (6G) millimeter wave (mmWave) communications. In RDARS-aided mmWave systems, the active and passive beamforming design and…

Signal Processing · Electrical Eng. & Systems 2025-04-03 Chengwang Ji , Qing Xue , Haiquan Lu , Jintao Wang , Qiaoyan Peng , Shaodan Ma , Wei Zhang

Augmented and virtual reality systems (AR/VR) are rapidly becoming key components of the wireless landscape. For immersive AR/VR experience, these devices should be able to construct accurate depth perception of the surrounding environment.…

Signal Processing · Electrical Eng. & Systems 2021-02-16 Abdelrahman Taha , Qi Qu , Sam Alex , Ping Wang , William L. Abbott , Ahmed Alkhateeb

Communication at millimeter wave (mmWave) frequencies is defining a new era of wireless communication. The mmWave band offers higher bandwidth communication channels versus those presently used in commercial wireless systems. The…

Information Theory · Computer Science 2016-05-04 Robert W. Heath , Nuria Gonzalez-Prelcic , Sundeep Rangan , Wonil Roh , Akbar Sayeed

Millimeter wave (mmWave) bands are considered a powerful key enabler for next generation (5G) mobile networks by providing multi-Gbps data rates. However, their severe pathloss and sensitivity to blockage present challenges in practical…

Information Theory · Computer Science 2020-01-17 Xiaoshen Song , Giuseppe Caire

Terahertz (THz) communications have emerged as a key technology for escalating data rates in future generation wireless networks. However, severe propagation losses at THz frequencies pose significant challenges, which can be mitigated via…

Accurate beam prediction is essential for mitigating signalling overhead and latency in integrated sensing and communication-enabled massive multi-input multi-output systems. With the aid of multimodal learning, the prediction accuracy can…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Zijian Zheng , Wenqiang Yi , Hyundong Shin , Arumugam Nallanathan

Enabling the high data rates of millimeter wave (mmWave) cellular systems requires deploying large antenna arrays at both the basestations and mobile users. The beamforming weights of these large arrays need to be tuned to guarantee…

Information Theory · Computer Science 2016-02-23 Ahmed Alkhateeb , Young-Han Nam , Md Saifur Rahman , Jianzhong Zhang , Robert W. Heath

Analog beamforming is the predominant approach for millimeter wave (mmWave) communication given its favorable characteristics for limited-resource devices. In this work, we aim at reducing the spectral efficiency gap between analog and…

Due to the exponential increase in wireless devices and a diversification of network services, unprecedented challenges, such as managing heterogeneous data traffic and massive access demands, have arisen in next-generation wireless…

Networking and Internet Architecture · Computer Science 2024-12-17 Zhizhen Li , Xuanhao Luo , Mingzhe Chen , Chenhan Xu , Shiwen Mao , Yuchen Liu