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Clustering has become an increasingly important task in analysing huge amounts of data. Traditional applications require that all data has to be located at the site where it is scrutinized. Nowadays, large amounts of heterogeneous, complex…

Databases · Computer Science 2014-09-24 Eshref Januzaj , Hans-Peter Kriegel , Martin Pfeifle

We study the problem of clustering nodes in a dynamic graph, where the connections between nodes and nodes' cluster memberships may change over time, e.g., due to community migration. We first propose a dynamic stochastic block model that…

Machine Learning · Computer Science 2021-06-24 Yuhang Yao , Carlee Joe-Wong

Clustering techniques create hierarchal network structures, called clusters, on an otherwise flat network. In a dynamic environment-in terms of node mobility as well as in terms of steadily changing device parameters-the clusterhead…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-06-11 Matthias R. Brust , Adrian Andronache , Steffen Rothkugel

In this paper we propose a new routing protocol with low energy consumption for wireless sensor networks based on the clustering approach. Our protocol is based on a strategy which aims at providing a more equitable exploitation of the…

Networking and Internet Architecture · Computer Science 2015-09-28 Manel Khelifi , Assia Djabelkhir

The position of the base station (BS) in wireless sensor networks (WSNs) has a significant impact on network lifetime. This paper suggests a mobile BS positioning algorithm for cluster-based WSNs, which considers both the location and the…

Networking and Internet Architecture · Computer Science 2017-03-21 Kadir Tohma , İpek Abasıkeleş Turgut , Cuma Celal Korkmaz , Yakup Kutlu

Broad searches for continuous gravitational wave signals rely on hierarchies of follow-up stages for candidates above a given significance threshold. An important step to simplify these follow-ups and reduce the computational cost is to…

General Relativity and Quantum Cosmology · Physics 2021-03-24 Banafsheh Beheshtipour , Maria Alessandra Papa

Energy-efficient communication is an important issue in wireless sensor networks (WSNs) consisting of large number of energy-constrained sensor nodes. Indeed, sensor nodes have different energy budgets assigned to data transmission at…

Information Theory · Computer Science 2014-01-17 Mohammed F. A. Ahmed , Sergiy A. Vorobyov

Energy conservation of sensor nodes for increasing the network life is the most crucial design goal while developing efficient routing protocol for wireless sensor networks. Recent technological advances help in the development of wide…

Networking and Internet Architecture · Computer Science 2014-09-05 Surender Kumar , Manish Prateek , N. J. Ahuja , Bharat Bhushan

Wireless Sensor Networks (WSNs) play a pivotal role in enabling Internet of Things (IoT) devices with sensing and actuation capabilities. Operating in remote and resource-constrained environments, these IoT devices face challenges related…

Networking and Internet Architecture · Computer Science 2025-03-20 F. Fernando Jurado-Lasso , J. F. Jurado , Xenofon Fafoutis

We consider the problem of decentralized hypothesis testing in a network of energy harvesting sensors, where sensors make noisy observations of a phenomenon and send quantized information about the phenomenon towards a fusion center. The…

Information Theory · Computer Science 2017-08-02 Alla Tarighati , James Gross , Joakim Jalden

We introduce the Dynamic Capacity Network (DCN), a neural network that can adaptively assign its capacity across different portions of the input data. This is achieved by combining modules of two types: low-capacity sub-networks and…

Machine Learning · Computer Science 2016-05-24 Amjad Almahairi , Nicolas Ballas , Tim Cooijmans , Yin Zheng , Hugo Larochelle , Aaron Courville

Nowadays scarcity of spectrum availability is increasing highly. Adding cognition to the existing Wireless Sensor Network (WSN) infrastructure will help in this situation. As sensor nodes in WSN are limited with some constrains like power,…

Networking and Internet Architecture · Computer Science 2011-04-04 Sumit Kumar , Deepti Singhal , Rama Murthy Garimella

In WSN (Wireless Sensor Network) every sensor node sensed the data and transmit it to the CH (Cluster head) or BS (Base Station). Sensors are randomly deployed in unreachable areas, where battery replacement or battery charge is not…

Networking and Internet Architecture · Computer Science 2014-11-17 Sunil Kumar , Priya Ranjan , R. Radhakrishnan

This paper deals with the design and analysis of the distributed weighted clustering algorithm SD_DWCA proposed for homogeneous mobile ad hoc networks. It is a connectivity, mobility and energy based clustering algorithm which is suitable…

Discrete Mathematics · Computer Science 2011-05-30 T. N. Janakiraman , A. Senthil Thilak

A Wireless Sensor Network (WSN) is a collection of tiny nodes that have low energy levels and have become an essential component of the modern communication infrastructure and very important in industry and academia. Energy is crucial in…

Networking and Internet Architecture · Computer Science 2020-02-19 Ghassan Samara , Ghadeer Al Besani , Mohammad Alauthman , Mohammad Al Khaldy

In this paper, we consider consensus problems over a network of nodes, where the network is divided into a number of clusters. We are interested in the case where the communication topology within each cluster is dense as compared to the…

Systems and Control · Electrical Eng. & Systems 2021-08-27 Thiem V. Pham , Thinh T. Doan , Dinh Hoa Nguyen

In this paper, we consider a wireless powered communication network (WPCN) consisting of a multi-antenna hybrid access point (HAP) that transfers wireless energy to and receives sensing data from a cluster of low-power wireless devices…

Networking and Internet Architecture · Computer Science 2017-07-12 Lina Yuan , Suzhi Bi , Shengli Zhang , Xiaohui Lin , Hui Wang

Wireless traffic that is destined for a certain device in a network, can be exploited in order to minimize the availability and delay trade-offs, and mitigate the Energy consumption. The Energy Conservation (EC) mechanism can be…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-11-17 Marios C. Charalambous , Constandinos X. Mavromoustakis , Muneer Bani Yassein

We consider the detection of a correlated random process immersed in noise in a wireless sensor network. Each node has an individual energy constraint and the communication with the processing central units are affected by the path loss…

Information Theory · Computer Science 2015-09-15 Juan Augusto Maya , Cecilia G. Galarza , Leonardo Rey Vega

Many clustering schemes have been proposed for ad hoc networks. A systematic classification of these clustering schemes enables one to better understand and make improvements. In mobile ad hoc networks, the movement of the network nodes may…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-12-14 Ratish Agarwal , Dr. Mahesh Motwani