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相关论文: Sparse Signal Processing for Massive Connectivity …

200 篇论文

One of the key challenges in sensor networks is the extraction of information by fusing data from a multitude of distinct, but possibly unreliable sensors. Recovering information from the maximum number of dependable sensors while…

机器学习 · 统计学 2015-05-20 Vassilis Kekatos , Georgios B. Giannakis

Millimeter wave multiple-input multiple-output (MIMO) communication systems must operate over sparse wireless links and will require large antenna arrays to provide high throughput. To achieve sufficient array gains, these systems must…

信号处理 · 电气工程与系统科学 2019-04-17 Wei Zhang , Taejoon Kim , David J. Love

This paper considers the problem of reconstructing sparse or compressible signals from one-bit quantized measurements. We study a new method that uses a log-sum penalty function, also referred to as the Gaussian entropy, for sparse signal…

信息论 · 计算机科学 2012-10-17 Jun Fang , Yanning Shen , Hongbin Li

This paper considers weighted sum rate maximization of multiuser multiple-input single-output interference channel (MISO-IFC) under outage constraints. The outage-constrained weighted sum rate maximization problem is a nonconvex…

信息论 · 计算机科学 2010-10-25 Wei-Chiang Li , Tsung-Hui Chang , Che Lin , Chong-Yung Chi

We propose a distributed algorithm for sparse signal recovery in sensor networks based on Iterative Hard Thresholding (IHT). Every agent has a set of measurements of a signal x, and the objective is for the agents to recover x from their…

信息论 · 计算机科学 2013-02-22 Stacy Patterson , Yonina C. Eldar , Idit Keidar

This paper studies the maximization of the weighted sum energy efficiency (WSEE). We derive a first-order optimal algorithm applicable to a wide class of communication scenarios exhibiting very fast convergence. We also discuss how to…

信息论 · 计算机科学 2018-12-19 Bho Matthiesen , Yang Yang , Eduard A. Jorswieck

In this paper, we address the problem of simultaneous classification and estimation of hidden parameters in a sensor network with communications constraints. In particular, we consider a network of noisy sensors which measure a common…

多智能体系统 · 计算机科学 2012-06-19 Fabio Fagnani , Sophie M. Fosson , Chiara Ravazzi

Integrated sensing and communication (ISAC) is widely recognized as a pivotal enabling technique for the advancement of future wireless networks. This paper aims to efficiently exploit the inherent sparsity of echo signals for the…

信息论 · 计算机科学 2024-01-01 Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

Channel state information (CSI) is very crucial for any wireless communication systems. Typically, CSI can be characterized at the receiver side using channel impulse response (CIR). Many observations have shown that the CIR of broadband…

信号处理 · 电气工程与系统科学 2018-12-12 Ahmed M. Abd El-Moaty , Azzedine Zerguine

Sparse learning has recently received increasing attention in many areas including machine learning, statistics, and applied mathematics. The mixed-norm regularization based on the l1q norm with q>1 is attractive in many applications of…

机器学习 · 计算机科学 2013-07-17 Jie Wang , Jun Liu , Jieping Ye

Adaptive thresholding methods have proved to yield high SNRs and fast convergence in finding the solution to the Compressed Sensing (CS) problems. Recently, it was observed that the robustness of a class of iterative sparse recovery…

统计方法学 · 统计学 2016-11-08 Ashkan Esmaeili , Ehsan Asadi , Farokh Marvasti

In this paper, we will investigate the efficacy of IMAT (Iterative Method of Adaptive Thresholding) in recovering the sparse signal (parameters) for linear models with missing data. Sparse recovery rises in compressed sensing and machine…

机器学习 · 计算机科学 2016-06-14 Ashkan Esmaeili , Farokh Marvasti

This paper considers the distributed sparse identification problem over wireless sensor networks such that all sensors cooperatively estimate the unknown sparse parameter vector of stochastic dynamic systems by using the local information…

系统与控制 · 电气工程与系统科学 2022-03-08 Die Gan , Zhixin Liu

A joint communication and computation (JCC) framework using segmented pinching antenna system (PASS) is proposed, where both the communication bit streams and computation data are simultaneously transmitted via uplink communications. The…

信号处理 · 电气工程与系统科学 2025-11-21 Deqiao Gan , Xiaoxia Xu , Xiaohu Ge , Yuanwei Liu

With the rapid upsurge of deep learning tasks at the network edge, effective edge artificial intelligence (AI) inference becomes critical to provide low-latency intelligent services for mobile users via leveraging the edge computing…

信息论 · 计算机科学 2024-10-30 Xiangyu Yang , Sheng Hua , Yuanming Shi , Hao Wang , Jun Zhang , Khaled B. Letaief

Device activity detection is one main challenge in grant-free massive access, which is recently proposed to support massive machine-type communications (mMTC). Existing solutions for device activity detection fail to consider inter-cell…

信息论 · 计算机科学 2021-06-22 Dongdong Jiang , Ying Cui

Detection of a signal under noise is a classical signal processing problem. When monitoring spatial phenomena under a fixed budget, i.e., either physical, economical or computational constraints, the selection of a subset of available…

信号处理 · 电气工程与系统科学 2018-08-01 Mario Coutino , Sundeep Prabhakar Chepuri , Geert Leus

We propose a self-triggered control algorithm to reduce onboard processor usage, communication bandwidth, and energy consumption across a linear time-invariant networked control system. We formulate an optimal control problem by penalizing…

系统与控制 · 计算机科学 2018-12-24 MirSaleh Bahavarnia , Hossein K. Mousavi , Nader Motee

In a multiple measurement vector problem (MMV), where multiple signals share a common sparse support and are sampled by a common sensing matrix, we can expect joint sparsity to enable a further reduction in the number of required…

信息论 · 计算机科学 2015-06-03 Jong Min Kim , Ok Kyun Lee , Jong Chul Ye

We address the problem of sparse recovery in an online setting, where random linear measurements of a sparse signal are revealed sequentially and the objective is to recover the underlying signal. We propose a reweighted least squares (RLS)…

机器学习 · 计算机科学 2017-06-30 Subhadip Mukherjee , Deepak R. , Huaijin Chen , Ashok Veeraraghavan , Chandra Sekhar Seelamantula