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Millimeter-wave (mmWave) and Terahertz (THz)-band communications exploit the abundant bandwidth to fulfill the increasing data rate demands of 6G wireless communications. To compensate for the high propagation loss with reduced hardware…

信号处理 · 电气工程与系统科学 2022-03-10 Zhengdong Hu , Yuhang Chen , Chong Han

This study presents an improved quantum teleportation protocol designed to enhance fidelity in noisy environments by combining weak measurements (WMs) with flip and reversal operations. In our scheme, Alice prepares a four-qubit entangled…

量子物理 · 物理学 2025-11-10 Mohit Dhanik , Shraddha Sharma , Pitamber Mahanandia

Integrated sensing and communication (ISAC) has opened up numerous game-changing opportunities for realizing future wireless systems. In this paper, we propose an ISAC processing framework relying on millimeter-wave (mmWave) massive…

信息论 · 计算机科学 2022-09-12 Zhen Gao , Ziwei Wan , Dezhi Zheng , Shufeng Tan , Christos Masouros , Derrick Wing Kwan Ng , Sheng Chen

We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient sampling schemes when either the pulse shape or the locations of…

信息论 · 计算机科学 2015-03-17 Ewa Matusiak , Yonina C. Eldar

This article presents a two-stage approach for the processing of frequency-stacked mobile subbands. The frequency stacking is performed in the analog domain to enable the use of a wideband analog-to-digital converter (ADC), instead of…

信号处理 · 电气工程与系统科学 2024-01-08 Adem Coskun , Sevket Cetinsel , Izzet Kale , Robert Hughes , Piero Angeletti , Christoph Ernst

In a continuous-variable quantum key distribution (CVQKD) system, the information is conveyed by coherent state carriers. The quantum continuous variables are sent through a quantum channel, where the presence of the eavesdropper adds a…

量子物理 · 物理学 2015-06-17 Laszlo Gyongyosi

One-bit digital-to-analog converters (DACs) are a practical and promising solution for reducing cost and power consumption in massive multiple-input multiple-output (MIMO) systems. However, the one-bit precoding problem is NP-hard and even…

信号处理 · 电气工程与系统科学 2023-03-21 Ly V. Nguyen , Lu Liu , Nguyen Linh-Trung , A. Lee Swindlehurst

Photonic analog to digital conversion offers promise to overcome the signal-to-noise ratio (SNR) and sample rate trade-off in conventional analog to digital converters (ADCs), critical for modern digital communications and signal analysis.…

信号处理 · 电气工程与系统科学 2019-09-09 Callum Deakin , Zhixin Liu

We study signal processing tasks in which the signal is mapped via some generalized time-frequency transform to a higher dimensional time-frequency space, processed there, and synthesized to an output signal. We show how to approximate such…

数值分析 · 数学 2021-09-07 Ron Levie , Haim Avron , Gitta Kutyniok

Feature extraction, such as spectral occupancy, interferer energy and type, or direction-of-arrival, from wideband radio-frequency~(RF) signals finds use in a growing number of applications as it enhances RF transceivers with cognitive…

信息论 · 计算机科学 2017-09-05 Michaël Pelissier , Christoph Studer

The integrated sensing and communications (ISAC) can achieve the sharing of hardware and spectrum resources, enabling efficient data transmission and environmental sensing. This fusion is particularly important for unmanned aerial vehicle…

信号处理 · 电气工程与系统科学 2025-10-20 Yi Tao , Zhen Gao , Zhuoran Li , Ziwei Wan , Tuan Li , Chunli Zhu , Lei Chen , Guanghui Wen , Dezhi Zheng , Dusit Niyato

Model Predictive Control (MPC) is a method to control nonlinear systems with guaranteed stability and constraint satisfaction but suffers from high computation times. Approximate MPC (AMPC) with neural networks (NNs) has emerged to address…

系统与控制 · 电气工程与系统科学 2024-09-24 Henrik Hose , Alexander Gräfe , Sebastian Trimpe

The limited availability of spectrum resources has been growing into a critical problem in wireless communications, remote sensing, and electronic surveillance, etc. To address the high-speed sampling bottleneck of wideband spectrum…

信号处理 · 电气工程与系统科学 2023-08-15 Kaili Jiang , Dechang Wang , Kailun Tian , Hancong Feng , Yuxin Zhao , Sen Cao , Jian Gao , Xuying Zhang , Yanfei Li , Junyu Yuan , Ying Xiong , Bin Tang

We address the problem of reconstructing a multi-band signal from its sub-Nyquist point-wise samples. To date, all reconstruction methods proposed for this class of signals assumed knowledge of the band locations. In this paper, we develop…

元胞自动机与格子气 · 物理学 2007-09-12 Moshe Mishali , Yonina C. Eldar

A practical approach to optimal design of multichannel oversampled warped cosine-modulated filter banks (CMFB) is proposed. Warped CMFB is obtained by allpass transformation of uniform CMFB. The paper addresses the problems of minimization…

信息论 · 计算机科学 2020-03-26 Maxim Vashkevich , Wanggen Wan , Alexander Petrovsky

As advanced image manipulation techniques emerge, detecting the manipulation becomes increasingly important. Despite the success of recent learning-based approaches for image manipulation detection, they typically require expensive…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yuanhao Zhai , Tianyu Luan , David Doermann , Junsong Yuan

In this paper, we propose a low-complexity beamspace channel denoising algorithm for millimeter-wave (mmWave) massive multi-input multi-output (MIMO) systems with low-resolution analog-to-digital converters (ADCs). The proposed method…

信号处理 · 电气工程与系统科学 2026-05-12 Hanyoung Park , Eunho Kim , Ji-Woong Choi

Neural networks are exerting burgeoning influence in emerging artificial intelligence applications at the micro-edge, such as sensing systems and image processing. As many of these systems are typically self-powered, their circuits are…

信号处理 · 电气工程与系统科学 2019-10-21 Sergey Mileiko , Rishad Shafik , Alex Yakovlev , Jonathan Edwards

The merge of mobile edge computing (MEC) and millimeter-wave (mmWave) communications will hopefully enable the fast access for computational resources, where these two technologies can benefit from each other's potentials. However, the high…

信号处理 · 电气工程与系统科学 2025-03-13 Yashuai Cao , Tiejun Lv

This paper considers efficient sampling of simultaneously sparse and correlated (S$\&$C) signals. Such signals arise in various applications in array processing. We propose an implementable sampling architecture for the acquisition of…

信息论 · 计算机科学 2023-01-19 Ali Ahmed , Fahad Shamshad , Humera Hameed