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In this work, we consider the task of target localization using quantized data in Wireless Sensor Networks (WSNs). We propose an energy efficient localization scheme by modeling it as an iterative classification problem. We design coding…

应用统计 · 统计学 2016-11-18 Aditya Vempaty , Yunghsiang S. Han , Pramod K. Varshney

We consider the problem of distributed estimation of an unknown deterministic scalar parameter (the target signal) in a wireless sensor network (WSN), where each sensor receives a single snapshot of the field. We assume that the observation…

信息论 · 计算机科学 2015-10-09 Qing Zhou , Di Li , Soummya Kar , Lauren Huie , H. Vincent Poor , Shuguang Cui

In this paper, we present a consensus-based framework for decentralized estimation of deterministic parameters in wireless sensor networks (WSNs). In particular, we propose an optimization algorithm to design (possibly complex) sensor gains…

系统与控制 · 计算机科学 2018-10-15 Shahin Khobahi , Mojtaba Soltanalian

Cross-correlation is a popular signal processing technique used in numerous location tracking systems for obtaining reliable range information. However, its efficient design and practical implementation has not yet been achieved on mote…

其他计算机科学 · 计算机科学 2016-06-14 Prasant Misra , Wen Hu , Mingrui Yang , Marco Duarte , Sanjay Jha

In this paper, we exploit the theory of compressive sensing to perform detection of a random source in a dense sensor network. When the sensors are densely deployed, observations at adjacent sensors are highly correlated while those…

信息论 · 计算机科学 2017-07-27 Thakshila Wimalajeewa , Pramod K. Varshney

The emergence of the Internet-of-Things and cyber-physical systems necessitates the coordination of access to limited communication resources in an autonomous and distributed fashion. Herein, the optimal design of a wireless sensing system…

系统与控制 · 电气工程与系统科学 2020-05-26 Xu Zhang , Marcos M. Vasconcelos , Wei Cui , Urbashi Mitra

This work investigates the sequential hypothesis testing problem with online sensor selection and sensor usage constraints. That is, in a sensor network, the fusion center sequentially acquires samples by selecting one "most informative"…

应用统计 · 统计学 2016-01-26 Shang Li , Xiaoou Li , Xiaodong Wang , Jingchen Liu

Wireless sensor networks consist of sensor nodes that are physically distributed over different locations. Spatial filtering procedures exploit the spatial correlation across these sensor signals to fuse them into a filtered signal…

信号处理 · 电气工程与系统科学 2022-11-04 Cem Ates Musluoglu , Alexander Bertrand

This paper considers the problem of simultaneously learning the Sensing Matrix and Sparsifying Dictionary (SMSD) on a large training dataset. To address the formulated joint learning problem, we propose an online algorithm that consists of…

机器学习 · 计算机科学 2018-06-05 Tao Hong , Zhihui Zhu

Data quality of Phasor Measurement Unit (PMU) is receiving increasing attention as it has been identified as one of the limiting factors that affect many wide-area measurement system (WAMS) based applications. In general, existing PMU…

系统与控制 · 计算机科学 2017-05-12 Xinan Wang , Di Shi , Zhiwei Wang , Chunlei Xu , Qibing Zhang , Xiaohu Zhang , Zhe Yu

This paper addresses the problem of distributed learning under communication constraints, motivated by distributed signal processing in wireless sensor networks and data mining with distributed databases. After formalizing a general model…

机器学习 · 计算机科学 2016-11-15 Joel B. Predd , Sanjeev R. Kulkarni , H. Vincent Poor

We consider a wireless sensor network consisting of multiple nodes that are coordinated by a fusion center (FC) in order to estimate a common signal of interest. In addition to being coordinated, the sensors are also able to collaborate,…

信息论 · 计算机科学 2012-10-15 Swarnendu Kar , Pramod K. Varshney

With the increasing prevalence of voice-activated devices and applications, keyword spotting (KWS) models enable users to interact with technology hands-free, enhancing convenience and accessibility in various contexts. Deploying KWS models…

音频与语音处理 · 电气工程与系统科学 2025-04-29 Jonathan Svirsky , Uri Shaham , Ofir Lindenbaum

We consider the problem of decentralized detection where peripheral nodes make noisy observations of a phenomenon and send quantized information about the phenomenon towards a fusion center over a sum-rate constrained multiple access…

信息论 · 计算机科学 2015-05-05 Alla Tarighati , Joakim Jalden

Cooperative spectrum sensing is a robust strategy that enhances the detection probability of primary licensed users. However, a large number of detectors reporting to a fusion center for a final decision causes significant delay and also…

信息论 · 计算机科学 2015-05-28 Laila Hesham , Ahmed Sultan , Mohammed Nafie

Online learning with multiple kernels has gained increasing interests in recent years and found many applications. For classification tasks, Online Multiple Kernel Classification (OMKC), which learns a kernel based classifier by seeking the…

机器学习 · 计算机科学 2015-11-19 Jing Lu , Steven C. H. Hoi , Doyen Sahoo , Peilin Zhao

The emergence of quantum sensor networks has presented opportunities for enhancing complex sensing tasks, while simultaneously introducing significant challenges in designing and analyzing quantum sensing protocols due to the intricate…

量子物理 · 物理学 2024-10-17 Pengcheng Liao , Bingzhi Zhang , Quntao Zhuang

In wireless Internet of things (IoT), the sensors usually have limited bandwidth and power resources. Therefore, in a distributed setup, each sensor should compress and quantize the sensed observations before transmitting them to a fusion…

信号处理 · 电气工程与系统科学 2022-03-21 Mostafa Hussien , Kim Khoa Nguyen , Mohamed Cheriet

This invited paper presents some novel ideas on how to enhance the performance of consensus algorithms in distributed wireless sensor networks, when communication costs are considered. Of particular interest are consensus algorithms that…

分布式、并行与集群计算 · 计算机科学 2014-09-04 Steffen Limmer , Slawomir Stanczak , Mario Goldenbaum , Renato L. G. Cavalcante

The recently proposed sequential distributed detector based on level-triggered sampling operates as simple as the decision fusion techniques and at the same time performs as well as the data fusion techniques. Hence, it is well suited for…

应用统计 · 统计学 2015-06-12 Yasin Yilmaz , Xiaodong Wang