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Conformal phased arrays promise shape-changing properties, multiple degrees of freedom to the scan angle, and novel applications in wearables, aerospace, defense, vehicles, and ships. However, they have suffered from two critical…

Integrated sensing and communication and millimeter wave (mmWave) have emerged as pivotal technologies for 6G networks. However, the narrow nature of mmWave beams requires precise alignments that typically necessitate large training…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Ahmad A. Aziz El-Banna , Octavia A. Dobre

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

Control barrier functions guarantee safety but typically require accurate system models. Parametric uncertainty invalidates these guarantees. Existing robust methods maintain safety via worst-case bounds, limiting performance, while modular…

Systems and Control · Electrical Eng. & Systems 2026-01-27 Mohammadreza Kamaldar

Precision contouring control is crucial in industrial machining processes, particularly for applications such as laser and water jet cutting, where contouring accuracy directly determines product quality. This paper presents a novel control…

Systems and Control · Electrical Eng. & Systems 2026-04-14 Meng Yuan , Tianyou Chai

Conformal phased arrays promise shape-changing properties, multiple degrees of freedom to the scan angle, and novel applications in wearables, aerospace, defense, vehicles, and ships. However, they have suffered from two critical…

To meet the requirements for high data rates and ubiquitous connectivity in 6G networks, higher frequencies and larger array apertures are employed to enhance spatial resolution and spectral efficiency. This evolution leads to an expansion…

Signal Processing · Electrical Eng. & Systems 2026-04-03 Shupei Zhang , Boya Di , Lingyang Song

A novel laser molecular beam epitaxy (LMBE) system for the fabrication of atomically controlled oxides superlattices and an x-ray diffractometer that measures spatially-resolved x-ray diffraction spectra have been developed based on the…

Materials Science · Physics 2009-11-11 M. Ohtani , M. Lippmaa , T. Ohnishi , M. Kawasaki

We have constructed an automated learning apparatus to control quantum systems. By directing intense shaped ultrafast laser pulses into a variety of samples and using a measurement of the system as a feedback signal, we are able to reshape…

Quantum Physics · Physics 2009-11-06 B. J. Pearson , J. L. White , T. C. Weinacht , P. H. Bucksbaum

Intelligent reflecting surface (IRS)-aided communication is a promising technology for beyond 5G (B5G) systems, to reconfigure the radio environment proactively. However, IRS-aided communication in practice requires efficient channel…

Information Theory · Computer Science 2021-11-23 Dingyang Ding , Di Wu , Yong Zeng , Shi Jin , Rui Zhang

Millimeter-wave (mmWave) technology is increasingly recognized as a pivotal technology of the sixth-generation communication networks due to the large amounts of available spectrum at high frequencies. However, the huge overhead associated…

To meet the growing demand for data traffic, spectrum-rich optical wireless communication (OWC) has emerged as a key technological driver for the development of 6G. The resonant beam communication (RBC) system, which employs spatially…

Systems and Control · Electrical Eng. & Systems 2024-08-16 Wen Fang , Wen Chen , Qingqing Wu , Xusheng Zhu , Qiong Wu , Nan Cheng

Benefiting from huge bandwidth resources, millimeter-wave (mmWave) communications provide one of the most promising technologies for next-generation wireless networks. To compensate for the high pathloss of mmWave signals, large-scale…

Information Theory · Computer Science 2021-12-14 Ke Ma , Zhaocheng Wang , Wenqiang Tian , Sheng Chen , Lajos Hanzo

Pushing the limits of precision and reproducibility in ultrafast laser-based nanostructuring requires detailed control over the properties of the illumination. Most traditional methods of laser-based manufacturing rely on the simplicity of…

Optics · Physics 2023-06-13 Camilo Florian , Xiaohan Du , Craig B. Arnold

Automating large-scale manufacturing in domains like timber construction requires multi-robot systems to manage tightly coupled spatiotemporal constraints, such as collision avoidance and process-driven deadlines. This paper introduces…

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

Non-imaging optical lenses can shape the light intensity from incoherent sources to a desired target intensity profile, which is important for applications in lighting, solar light concentration, and optical beam shaping. Their surface…

This paper proposes a beamforming method under a per-antenna power constraint (PAPC). Although many beamformer designs with the PAPC need to solve complex optimization problems, the proposed complete power reallocation (CPR) method can…

Information Theory · Computer Science 2021-02-15 Sucheol Kim , Hyeongtaek Lee , Hwanjin Kim , Yongyun Choi , Junil Choi

We introduce a novel, training-free approach for enhancing alignment in Transformer-based Text-Guided Diffusion Models (TGDMs). Existing TGDMs often struggle to generate semantically aligned images, particularly when dealing with complex…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Shulei Wang , Wang Lin , Hai Huang , Hanting Wang , Sihang Cai , WenKang Han , Tao Jin , Jingyuan Chen , Jiacheng Sun , Jieming Zhu , Zhou Zhao

Latent Diffusion models (LDMs) have achieved remarkable results in synthesizing high-resolution images. However, the iterative sampling process is computationally intensive and leads to slow generation. Inspired by Consistency Models (song…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 Simian Luo , Yiqin Tan , Longbo Huang , Jian Li , Hang Zhao
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