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Related papers: Device-Agnostic Millimeter Wave Beam Selection usi…

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Beam alignment is required in millimeter wave communication to ensure high data rate transmission. However, with narrow beamwidth in massive MIMO, beam alignment could be computationally intensive due to the large number of beam pairs to be…

Signal Processing · Electrical Eng. & Systems 2019-07-05 Orikumhi Igbafe , Jeongwan Kang , Henk Wymeersch , Sunwoo Kim

Millimeter-wave (mmWave) and terahertz (THz) communications require beamforming to acquire adequate receive signal-to-noise ratio (SNR). To find the optimal beam, current beam management solutions perform beam training over a large number…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Shuaifeng Jiang , Ahmed Alkhateeb

In this paper, we propose an efficient beam training technique for millimeter-wave (mmWave) communications. When some mobile users are under high mobility, the beam training should be performed frequently to ensure the accurate acquisition…

Information Theory · Computer Science 2018-10-09 Sun Hong Lim , Jisu Bae , Sunwoo Kim , Byonghyo Shim , Jun Won Choi

Millimeter-wave (mm-wave) communications requirebeamforming and consequent precise beam alignmentbetween the gNodeB (gNB) and the user equipment (UE) toovercome high propagation losses. This beam alignment needs tobe constantly updated for…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Enrico Tosi , Panwei Hu , Aleksandar Ichkov , Marina Petrova , Ljiljana Simić

Traditional communication system design has always been based on the paradigm of first establishing a mathematical model of the communication channel, then designing and optimizing the system according to the model. The advent of modern…

Information Theory · Computer Science 2022-10-07 Wei Yu , Foad Sohrabi , Tao Jiang

Emerging wireless communication systems will be characterized by a tight coupling between communication and positioning. This is particularly apparent in millimeter-wave (mm-wave) communications, where devices use a large number of antennas…

Information Theory · Computer Science 2017-05-17 Gabriel E. Garcia , Gonzalo Seco-Granados , Eleftherios Karipidis , Henk Wymeersch

Millimeter-wave and terahertz systems rely on beamforming/combining codebooks to determine the best beam directions during the initial access and data transmission. Existing approaches suffer from large codebook sizes and high beam…

Information Theory · Computer Science 2023-05-11 Sara Khosravi , Hossein S. Ghadikolaei , Jens Zander , Marina Petrova

In this paper, we develop a deep learning (DL)-guided hybrid beam and power allocation approach for multiuser millimeter-wave (mmWave) networks, which facilitates swift beamforming at the base station (BS). The following persisting…

Signal Processing · Electrical Eng. & Systems 2023-05-24 Yuwen Cao , Tomoaki Ohtsuki , Setareh Maghsudi , Tony Q. S. Quek

Recommender systems often face heterogeneous datasets containing highly personalized historical data of users, where no single model could give the best recommendation for every user. We observe this ubiquitous phenomenon on both public and…

Information Retrieval · Computer Science 2020-05-06 Mi Luo , Fei Chen , Pengxiang Cheng , Zhenhua Dong , Xiuqiang He , Jiashi Feng , Zhenguo Li

In the advent of next-generation wireless communication, millimeter-wave (mmWave) and terahertz (THz) technologies are pivotal for their high data rate capabilities. However, their reliance on large antenna arrays and narrow directive beams…

Signal Processing · Electrical Eng. & Systems 2024-12-09 Gouranga Charan , Ahmed Alkhateeb

In this paper, we propose BeamLLM, a vision-aided millimeter-wave (mmWave) beam prediction framework leveraging large language models (LLMs) to address the challenges of high training overhead and latency in mmWave communication systems. By…

Machine Learning · Computer Science 2025-06-30 Can Zheng , Jiguang He , Guofa Cai , Zitong Yu , Chung G. Kang

We propose Fiber Bundle Networks (FiberNet), a novel machine learning framework integrating differential geometry with machine learning. Unlike traditional deep neural networks relying on black-box function fitting, we reformulate…

Machine Learning · Computer Science 2025-12-02 Dong Liu

This paper proposes a deep learning-based beamforming design framework that directly maps a target beam pattern to optimal beamforming vectors across multiple antenna array architectures, including digital, analog, and hybrid beamforming.…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Hongpu Zhang , Shu Sun , Hangsong Yan , Jianhua Mo

The increasing complexity of configuring cellular networks suggests that machine learning (ML) can effectively improve 5G technologies. Deep learning has proven successful in ML tasks such as speech processing and computational vision, with…

Signal Processing · Electrical Eng. & Systems 2021-06-11 Aldebaro Klautau , Pedro Batista , Nuria Gonzalez-Prelcic , Yuyang Wang , Robert W. Heath

The accurate identification of wireless devices is critical for enabling automated network access monitoring and authenticated data communication in large-scale networks; e.g., IoT. RF fingerprinting has emerged as a solution for device…

Signal Processing · Electrical Eng. & Systems 2021-09-09 Nora Basha , Bechir Hamdaoui

Millimeter wave (mmWave) and terahertz MIMO systems rely on pre-defined beamforming codebooks for both initial access and data transmission. Being pre-defined, however, these codebooks are commonly not optimized for specific environments,…

Information Theory · Computer Science 2021-02-24 Yu Zhang , Muhammad Alrabeiah , Ahmed Alkhateeb

Millimeter-wave (mmWave) communication enables high data rates through large bandwidths and highly directional beamforming, but its sensitivity to blockage and mobility makes reliable beam alignment a central challenge. Limited-probing beam…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Amirhossein Azarbahram , Onel L. A. López

Deep learning is driving a radical paradigm shift in wireless communications, all the way from the application layer down to the physical layer. Despite this, there is an ongoing debate as to what additional values artificial intelligence…

Signal Processing · Electrical Eng. & Systems 2019-09-18 S. Xue , A. Li , J. Wang , N. Yi , Y. Ma , R. Tafazolli , T. Dodgson

To facilitate the antenna design with the aid of computer, one of the practices in consumer electronic industry is to model and optimize antenna performances with a simplified antenna geometric scheme. Traditional antenna modeling requires…

Machine Learning · Computer Science 2022-03-23 Yang Zhong , Peter Renner , Weiping Dou , Geng Ye , Jiang Zhu , Qing Huo Liu

Millimeter-wave communications rely on narrow-beam transmissions to cope with the strong signal attenuation at these frequencies, thus demanding precise alignment between transmitter and receiver. However, the beam-alignment procedure may…

Information Theory · Computer Science 2018-10-10 Muddassar Hussain , Nicolo Michelusi