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Distributed linear algebraic equation over networks, where nodes hold a part of problem data and cooperatively solve the equation via node-to-node communications, is a basic distributed computation task receiving an increasing research…

最优化与控制 · 数学 2021-04-28 Peng Yi , Jinlong Lei , Yiguang Hong , Jie Chen , Guodong Shi

Distributed aggregation allows the derivation of a given global aggregate property from many individual local values in nodes of an interconnected network system. Simple aggregates such as minima/maxima, counts, sums and averages have been…

分布式、并行与集群计算 · 计算机科学 2012-04-09 Miguel Borges , Paulo Jesus , Carlos Baquero , Paulo Sérgio Almeida

The typical approach for recovery of spatially correlated signals is regularized least squares with a coupled regularization term. In the Bayesian framework, this algorithm is seen as a maximum-a-posterior estimator whose postulated prior…

信息论 · 计算机科学 2018-05-31 Ali Bereyhi , Saeid Haghighatshoar , Ralf R. Müller

Speech dereverberation aims to alleviate the negative impact of late reverberant reflections. The weighted prediction error (WPE) method is a well-established technique known for its superior performance in dereverberation. However, in…

音频与语音处理 · 电气工程与系统科学 2023-12-07 Ziye Yang , Mengfei Zhang , Jie Chen

Recent advances in wireless sensor networks (WSNs) have led to many new promissing applications. However data communication between nodes consumes a large portion of the total energy of WSNs. Consequently efficient data aggregation…

分布式、并行与集群计算 · 计算机科学 2010-10-06 Punit Sharma , Partha Sarathi Mandal

Distributed estimation in the context of sensor networks is considered, where distributed agents are given a set of sensor measurements, and are tasked with estimating a target variable. A subset of sensors are assumed to be faulty. The…

信号处理 · 电气工程与系统科学 2022-12-26 Marian Temprana Alonso , Farhad Shirani , S. Sitharama Iyengar

As datasets grow larger, they are often distributed across multiple machines that compute in parallel and communicate with a central machine through short messages. In this paper, we focus on sparse regression and propose a new procedure…

统计方法学 · 统计学 2023-03-14 Sifan Liu , Snigdha Panigrahi

Sensor Networks technologies had proved their great practicability in the real world, being just a matter of time until this kind of networks will be standardized and used in the field. We focus on security issues in Distributed Sensor…

网络与互联网体系结构 · 计算机科学 2018-08-06 Ovidiu Banias , Daniel-Ioan Curiac

Sensor scheduling is a well studied problem in signal processing and control with numerous applications. Despite its successful history, most of the related literature assumes the knowledge of the underlying probabilistic model of the…

系统与控制 · 电气工程与系统科学 2019-12-06 Marcos M. Vasconcelos , Urbashi Mitra

Developing efficient solutions for inference problems in intelligent sensor networks is crucial for the next generation of location, tracking, and mapping services. This paper develops a scalable distributed probabilistic inference…

机器学习 · 计算机科学 2023-10-24 Parth Paritosh , Nikolay Atanasov , Sonia Martinez

In this article we revisit Wireless Sensor Networks from a contemporary perspective, after the surge of the Internet of Things. First, we analyze the evolution of distributed monitoring applications, which we consider inherited from the…

网络与互联网体系结构 · 计算机科学 2020-08-05 Borja Martinez , Cristina Cano , Xavier Vilajosana

In this paper we tackle distributed detection of a non-cooperative target with a Wireless Sensor Network (WSN). When the target is present, sensors observe an unknown random signal with amplitude attenuation depending on the distance…

信息论 · 计算机科学 2016-12-20 D. Ciuonzo , P. Salvo Rossi

This two-part paper presents a feedback-based cross-layer framework for distributed sensing and estimation of a dynamic process by a wireless sensor network (WSN). Sensor nodes wirelessly communicate measurements to the fusion center (FC).…

系统与控制 · 计算机科学 2015-06-23 Nicolo Michelusi , Urbashi Mitra

We study a hierarchical heterogeneous Rayleigh fading wireless sensor network (WSN) in which sensor nodes surveil a region of interest (RoI) and use access points (APs) as relays to transmit their sensed information to base stations (BSs).…

信息论 · 计算机科学 2022-11-16 Saeed Karimi-Bidhendi , Hamid Jafarkhani

The security of wireless sensor networks is an active topic of research where both symmetric and asymmetric key cryptography issues have been studied. Due to their computational feasibility on typical sensor nodes, symmetric key algorithms…

密码学与安全 · 计算机科学 2008-03-10 Abedelaziz Mohaisen , DaeHun Nyang , KyungHee Lee

Distributed power allocation is important for interference-limited wireless networks with dense transceiver pairs. In this paper, we aim to design low signaling overhead distributed power allocation schemes by using graph neural networks…

信号处理 · 电气工程与系统科学 2023-03-06 Yifan Gu , Changyang She , Zhi Quan , Chen Qiu , Xiaodong Xu

We study a heterogeneous wireless sensor network (WSN) where N heterogeneous access points (APs) gather data from densely deployed sensors and transmit their sensed information to M heterogeneous fusion centers (FCs) via multi-hop wireless…

信息论 · 计算机科学 2021-09-09 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

Node localization algorithms that can be easily integrated into deployed wireless sensor networks (WSNs) and which run seamlessly with proprietary lower layer communication protocols running on off-the-shelf modules can help operators of…

分布式、并行与集群计算 · 计算机科学 2015-09-09 Pooyan Abouzar , David G. Michelson , Maziyar Hamdi

We address the distributed estimation of an unknown scalar parameter in Wireless Sensor Networks (WSNs). Sensor nodes transmit their noisy observations over multiple access channel to a Fusion Center (FC) that reconstructs the source…

信息论 · 计算机科学 2015-06-15 Mohammed F. A. Ahmed , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

This paper addresses distributed parameter estimation in randomized one-hidden-layer neural networks. A group of agents sequentially receive measurements of an unknown parameter that is only partially observable to them. In this paper, we…

系统与控制 · 电气工程与系统科学 2020-03-23 Yinsong Wang , Shahin Shahrampour