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Intelligent reflecting surfaces (IRSs) have received considerable attention from the wireless communications research community recently. In particular, as low-cost passive devices, IRSs enable the control of the wireless propagation…

信息论 · 计算机科学 2019-04-30 Xianghao Yu , Dongfang Xu , Robert Schober

Finding an optimal sensing policy for a particular access policy and sensing scheme is a laborious combinatorial problem that requires the system model parameters to be known. In practise the parameters or the model itself may not be…

机器学习 · 计算机科学 2012-09-11 Jan Oksanen , Jarmo Lundén , Visa Koivunen

Cognitive radio (CR) is to detect the presence of primary users (PUs) reliably in order to reduce the interference to licensed communications. Genetic algorithms (GAs) are well suited for CR optimization problems to increase efficiency of…

网络与互联网体系结构 · 计算机科学 2013-04-12 Md. Kamal Hossain , Ayman Abd El-Saleh

In cell-free multiple input multiple output (MIMO) networks, multiple base stations (BSs) collaborate to achieve high spectral efficiency. Nevertheless, high penetration loss due to large blockages in harsh propagation environments is often…

信息论 · 计算机科学 2023-03-16 Chen Chen , Sai Xu , Jiliang Zhang , Jie Zhang

Recently, Meta-Black-Box-Optimization (MetaBBO) methods significantly enhance the performance of traditional black-box optimizers through meta-learning flexible and generalizable meta-level policies that excel in dynamic algorithm…

神经与进化计算 · 计算机科学 2025-03-25 Hongshu Guo , Sijie Ma , Zechuan Huang , Yuzhi Hu , Zeyuan Ma , Xinglin Zhang , Yue-Jiao Gong

This paper studies a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) sends unified wireless signals to estimate an extended target and communicate with a…

信息论 · 计算机科学 2022-08-19 Haocheng Hua , Xianxin Song , Yuan Fang , Tony Xiao Han , Jie Xu

Analog-to-Digital Converters (ADCs) are essential components in modern data acquisition systems. A key design challenge is accommodating high dynamic range (DR) input signals without clipping. Existing solutions, such as oversampling,…

信号处理 · 电气工程与系统科学 2024-12-18 Shaik Basheeruddin Shah , Satish Mulleti , Yonina C. Eldar

High-dimensional low-sample-size (HDLSS) datasets constrain reliable environmental model development, where labeled data remain sparse. Reinforcement learning (RL)-based adaptive sensing methods can learn optimal sampling policies, yet…

机器学习 · 计算机科学 2026-05-05 Mitra Nasr Azadani , Syed Usama Imtiaz , Nasrin Alamdari

Optimized sensing is important for computational imaging in low-resource environments, when images must be recovered from severely limited measurements. In this paper, we propose a physics-constrained, fully differentiable, autoencoder that…

图像与视频处理 · 电气工程与系统科学 2020-03-24 He Sun , Adrian V. Dalca , Katherine L. Bouman

By enabling spectrum sharing between radar and communication operations, the cell-free dual-functional radar-communication (CF-DFRC) system is a promising candidate to significantly improve spectrum efficiency in future sixth-generation…

信号处理 · 电气工程与系统科学 2025-07-23 Yue Xiu , Wanting Lyu , You Li , Ran Yang , Phee Lep Yeoh , Wei Zhang , Guangyi Liu , Ning Wei

This paper proposes a learning framework, RoSE-Opt, to achieve robust and efficient analog circuit parameter optimization. RoSE-Opt has two important features. First, it incorporates key domain knowledge of analog circuit design, such as…

硬件体系结构 · 计算机科学 2024-07-30 Weidong Cao , Jian Gao , Tianrui Ma , Rui Ma , Mouhacine Benosman , Xuan Zhang

Cell-free massive multiple input multiple output (MIMO) systems can provide reliable connectivity and increase user throughput and spectral efficiency of integrated sensing and communication (ISAC) systems. This can only be achieved through…

信号处理 · 电气工程与系统科学 2024-12-25 Mohamed Elrashidy , Mudassir Masood , Ali Arshad Nasir

Particle accelerators play a pivotal role in advancing scientific research, yet optimizing beamline configurations to maximize particle transmission remains a labor-intensive task requiring expert intervention. In this work, we introduce…

加速器物理 · 物理学 2026-01-27 Anwar Ibrahim , Alexey Petrenko , Maxim Kaledin , Ehab Suleiman , Fedor Ratnikov , Denis Derkach

Active reconfigurable intelligent surfaces (RISs) can improve the performance of integrated sensing and communication (ISAC), and therefore enable simultaneous data transmission and target sensing. However, when the line-of-sight (LoS) link…

信号处理 · 电气工程与系统科学 2024-10-17 Ahmed Magbool , Vaibhav Kumar , Mark F. Flanagan

This paper demonstrates that continual relearning of control policies using incremental deep reinforcement learning (RL) can improve policy learning for non-stationary processes. We demonstrate this approach for a data-driven 'smart…

机器学习 · 计算机科学 2020-08-06 Avisek Naug , Marcos Quiñones-Grueiro , Gautam Biswas

The integration of sensing and communication demands architectures that can flexibly exploit spatial and electromagnetic (EM) degrees of freedom (DoF). This paper proposes an Integrated Sensing and Communication (ISAC) MIMO framework that…

信号处理 · 电气工程与系统科学 2025-12-04 Ataher Sams , Yu-Cheng Hsiao , Muhammad Talha , Besma Smida , Ashutosh Sabharwal

This paper focuses on robust transceiver design for throughput enhancement on the interference channel (IC), under imperfect channel state information (CSI). In this paper, two algorithms are proposed to improve the throughput of the…

信息论 · 计算机科学 2018-04-02 Ali Dalir , Hassan Aghaeinia , Mohammad Kazemi

Spectrum resources are facing huge demands and cognitive radio (CR) can improve the spectrum utilization. Recently, power spectral density (PSD) map is defined to enable the CR to reuse the frequency resources regarding to the area. For…

信息论 · 计算机科学 2016-12-12 Mohammad Eslami , Farah Torkamani-Azar , Esfandiar Mehrshahi

Intelligent reflecting surface (IRS) has garnered growing interest and attention due to its potential for facilitating and supporting wireless communications and sensing. This paper studies a semi-passive IRS-enabled sensing system, where…

信号处理 · 电气工程与系统科学 2024-02-06 Qiaoyan Peng , Qingqing Wu , Wen Chen , Shaodan Ma , Ming-Min Zhao , Octavia A. Dobre

Most existing works on dual-function radar-communication (DFRC) systems mainly focus on active sensing, but ignore passive sensing. To leverage multi-static sensing capability, we explore integrated active and passive sensing (IAPS) in DFRC…

信息论 · 计算机科学 2024-02-20 Xingliang Lou , Wenchao Xia , Kai-Kit Wong , Haitao Zhao , Tony Q. S. Quek , Hongbo Zhu