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Beamforming with large-scale antenna arrays has been widely used in recent years, which is acknowledged as an important part in 5G and incoming 6G. Thus, various techniques are leveraged to improve its performance, e.g., deep learning,…

Millimeter-wave (mmWave) hybrid analog-digital beamforming is a promising approach to satisfy the low-latency constraint in multiple unmanned aerial vehicles (UAVs) systems, which serve as network infrastructure for flexible deployment.…

Information Theory · Computer Science 2019-10-31 Hsiao-Lan Chiang , Kwang-Cheng Chen , Wolfgang Rave , Mostafa Khalili Marandi , Gerhard Fettweis

This paper addresses robust waveform design for multiple-input-multiple-output (MIMO) radar detection. A probabilistic model is proposed to describe the target uncertainty. Considering that waveform design based on maximizing the…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Xuyang Wang , Bo Tang , Ming Zhang

An optimal sequential experimental design approach is developed to computationally characterize soft material properties at the high strain rates associated with bubble cavitation. The approach involves optimal design and model inference.…

Soft Condensed Matter · Physics 2025-11-19 Tianyi Chu , Jonathan B. Estrada , Spencer H. Bryngelson

This paper focuses on optimal beamforming to maximize the mean signal-to-noise ratio (SNR) for a reconfigurable intelligent surface (RIS)-aided MISO downlink system under correlated Rician fading. The beamforming problem becomes non-convex…

Information Theory · Computer Science 2023-07-04 Kali Krishna Kota , M. S. S. Manasa , Praful D. Mankar , Harpreet S. Dhillon

To address three significant challenges of massive wireless communications including propagation loss, long-distance transmission, and channel fading, we aim at establishing the hybrid antenna array with bowtie elements in a compact size…

Machine Learning · Computer Science 2022-10-04 Somayeh Komeylian , Christopher Paolini

We propose a new robust distributed linearly constrained beamformer which utilizes a set of linear equality constraints to reduce the cross power spectral density matrix to a block-diagonal form. The proposed beamformer has a convenient…

Signal Processing · Electrical Eng. & Systems 2019-05-28 Andreas I. Koutrouvelis , Thomas W. Sherson , Richard Heusdens , Richard C. Hendriks

Beamforming-capable antenna arrays with many elements enable higher data rates in next generation 5G and 6G networks. In current practice, analog beamforming uses a codebook of pre-configured beams with each of them radiating towards a…

Machine Learning · Computer Science 2025-12-08 Alexander Mattick , George Yammine , Georgios Kontes , Setareh Maghsudi , Christopher Mutschler

Distributed integrated sensing and communication (D-ISAC) enables multiple spatially distributed nodes to cooperatively perform sensing and communication. However, achieving coherent cooperation across distributed nodes is challenging due…

Systems and Control · Electrical Eng. & Systems 2026-04-06 Seonghoon Yoo , Seulhyun Kwon , Kawon Han , Elaheh Ataeebojd , Mehdi Rasti , Joonhyuk Kang

This paper models an active intelligent reflecting surface (IRS) -assisted wireless communication network, which has the ability to adjust power between BS and IRS. We aim to maximize the signal-to-noise ratio of user by jointly designing…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Qiankun Cheng , Jiatong Bai , Baihua Shi , Wei Gao , Feng Shu

Beam steering involves the calibration of the angle and position at which a particle accelerator's electron beam is incident upon the x-ray target with respect to the rotation axis of the collimator. Beam Steering is an essential task for…

Accelerator Physics · Physics 2024-08-27 Dexter Allen , Isaac Kante , Dorian Bohler

For millimeter-wave (mmWave) non-orthogonal multiple access (NOMA) communication systems, we propose an innovative near-field (NF) transmission framework based on dynamic metasurface antenna (DMA) technology. In this framework, a base…

Signal Processing · Electrical Eng. & Systems 2024-09-25 Yue Xiu , Yang Zhao , Songjie Yang , Yufeng Zhang , Dusit Niyato , Hongyang Du , Ning Wei

This paper derives the analytical solution of a novel distributed node-specific block-diagonal linearly constrained minimum variance beamformer from the centralized linearly constrained minimum variance (LCMV) beamformer when considering…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-27 Xinwei Guo , Minmin Yuan , Chengshi Zheng , Xiaodong Li

Intelligent reflecting surface (IRS) technology has recently attracted a significant interest in non-light-of-sight radar remote sensing. Prior works have largely focused on designing single IRS beamformers for this problem. For the first…

Information Theory · Computer Science 2023-03-14 Zahra Esmaeilbeig , Arian Eamaz , Kumar Vijay Mishra , Mojtaba Soltanalian

Beamforming is an effective means to improve the quality of the received signals in multiuser multiple-input-single-output (MISO) systems. Traditionally, finding the optimal beamforming solution relies on iterative algorithms, which…

Information Theory · Computer Science 2020-01-15 Wenchao Xia , Gan Zheng , Yongxu Zhu , Jun Zhang , Jiangzhou Wang , Athina P. Petropulu

This paper considers coordinated multicast beamforming in a multi-cell multigroup multiple-input single-output system. Each base station (BS) serves multiple groups of users by forming a single beam with common information per group. We…

Information Theory · Computer Science 2018-02-14 Oskari Tervo , Harri Pennanen , Dimitrios Christopoulos , Symeon Chatzinotas , Björn Ottersten

Performance of multicell systems is inevitably limited by interference and available resources. Although intercell interference can be mitigated by Base Station (BS) Coordination, the demand on inter-BS information exchange and…

Information Theory · Computer Science 2014-07-10 Mohammad Hossein Akbari , Vahid Tabataba Vakili

Adaptive radar waveform design grounded in information-theoretic principles is critical for advancing cognitive radar performance in complex environments. This paper investigates the optimization of phase-coded waveforms under constant…

Signal Processing · Electrical Eng. & Systems 2025-05-01 Ruofeng Yu , Caiguang Zhang , Chenyang Luo , Mengdi Bai , Shangqu Yan , Wei Yang , Yaowen Fu

Shaping the reachable set of a dynamical system is a fundamental challenge in control design, with direct implications for both performance and safety. This paper considers the problem of selecting the optimal input matrix for a linear…

Systems and Control · Electrical Eng. & Systems 2026-04-07 Hrishav Das , Melkior Ornik

Despite extensive research on reconfigurable intelligent surfaces (RISs) in recent years, existing beamforming methods still face significant challenges in achieving flexible and robust beam synthesis, which is an essential capability for a…

Information Theory · Computer Science 2025-05-28 Rujing Xiong , Ke Yin , Jialong Lu , Kai Wan , Tiebin Mi , Robert Caiming Qiu
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