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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

The problem of decentralized detection in a sensor network subjected to a total average power constraint and all nodes sharing a common bandwidth is investigated. The bandwidth constraint is taken into account by assuming non-orthogonal…

Information Theory · Computer Science 2007-07-13 Sudharman K. Jayaweera

Usage of mobile sink(s) for data gathering in wireless sensor networks(WSNs) improves the performance of WSNs in many respects such as power consumption, lifetime, etc. In some applications, the mobile sink $MS$ travels along a predefined…

Networking and Internet Architecture · Computer Science 2022-03-22 Dinesh Dash

One of the limitations of wireless sensor nodes is their inherent limited energy resource. Besides maximizing the lifetime of the sensor node, it is preferable to distribute the energy dissipated throughout the wireless sensor network in…

Networking and Internet Architecture · Computer Science 2007-05-23 Ioan Raicu , Loren Schwiebert , Scott Fowler , Sandeep K. S. Gupta

This paper studies decentralized, Fountain and network-coding based strategies for facilitating data collection in circular wireless sensor networks, which rely on the stochastic diversity of data storage. The goal is to allow for a reduced…

Information Theory · Computer Science 2016-11-17 Silvija Kokalj-Filipovic , Predrag Spasojevic , Emina Soljanin

Efficient compression of correlated data is essential to minimize communication overload in multi-sensor networks. In such networks, each sensor independently compresses the data and transmits them to a central node due to limited…

This paper proposes an algorithm for increasing data persistency in large-scale sensor networks. In the scenario considered here, k out of n nodes sense the phenomenon and produced ? information packets. Due to usually hazardous environment…

Information Theory · Computer Science 2012-01-24 Saber Jafarizadeh , Abbas Jamalipour

Routing in Software-Defined Wireless sensor networks (SD-WSNs) can be either single or multi-hop, whereas the network is either static or dynamic. In static SD-WSN, the selection of the optimum route from source to destination is…

Networking and Internet Architecture · Computer Science 2021-03-19 Anuradha Banerjee , Abu Sufian , Ali Safaa Sadiq , Seyedali Mirjalili

Clustering is an important research topic for wireless sensor networks (WSNs). A large variety of approaches has been presented focusing on different performance metrics. Even though all of them have many practical applications, an…

Networking and Internet Architecture · Computer Science 2011-07-11 Dimitrios Amaxilatis , Ioannis Chatzigiannakis , Christos Koninis , Apostolos Pyrgelis

Recent advances in neuroscience data acquisition allow for the simultaneous recording of large populations of neurons across multiple brain areas while subjects perform complex cognitive tasks. Interpreting these data requires us to index…

Neurons and Cognition · Quantitative Biology 2020-10-27 Yu Takagi , Steven W. Kennerley , Jun-ichiro Hirayama , Laurence T. Hunt

In this work, we present a method that exploits a scenario with inter-Wireless Sensor Networks (WSNs) information exchange by making predictions and adapting the workload of a WSN according to their outcomes. We show the feasibility of an…

Networking and Internet Architecture · Computer Science 2016-07-13 Gabriel Martins Dias , Simon Oechsner , Boris Bellalta

We study a heterogeneous two-tier wireless sensor network in which N heterogeneous access points (APs) collect sensing data from densely distributed sensors and then forward the data to M heterogeneous fusion centers (FCs). This…

Information Theory · Computer Science 2020-10-23 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

Energy being the very key concern area with sensor networks, so the main focus lies in developing a mechanism to increase the lifetime of a sensor network by energy balancing. To achieve energy balancing and maximizing network lifetime we…

Networking and Internet Architecture · Computer Science 2013-06-07 Deepali Virmani , Akshay Jain , Ankit Khandelwal , Divik Gupta , Nitin Garg

This work demonstrates the potential of deep reinforcement learning techniques for transmit power control in wireless networks. Existing techniques typically find near-optimal power allocations by solving a challenging optimization problem.…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Yasar Sinan Nasir , Dongning Guo

Wireless sensor networks consist of sensor nodes with limited computational and communication capabilities. In this paper, the whole network of sensor nodes is divided into clusters based on their physical locations. In addition, efficient…

Cryptography and Security · Computer Science 2010-11-13 Anvesh Aileni

This paper proposes a dynamic sensor scheduling method for sensor networks. In sensor network applications, we often need multiple equally-informative node subsets that are activated sequentially to make a sensor network robust against…

Signal Processing · Electrical Eng. & Systems 2026-02-24 Ryouke Ikura , Junya Hara , Hiroshi Higashi , Yuichi Tanaka

Wideband spectrum sensing detects the unused spectrum holes for dynamic spectrum access (DSA). Too high sampling rate is the main problem. Compressive sensing (CS) can reconstruct sparse signal with much fewer randomized samples than…

Information Theory · Computer Science 2012-04-16 Yipeng Liu , Qun Wan

Wireless Sensor Networks (WSNs) experiences several technical challenges such as limited energy, short transmission range, limited storage capacities, and limited computational capabilities. Moreover, the sensor nodes are deployed randomly…

Networking and Internet Architecture · Computer Science 2019-03-11 Trupti. M. Behera , Sushanta. K. Mohapatra , Umesh. C. Samal , Mohammad. S. Khan

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).…

Information Theory · Computer Science 2022-11-16 Saeed Karimi-Bidhendi , Hamid Jafarkhani

In wireless sensor networks (WSNs), the base station (BS) is a critical sensor node whose failure causes severe data losses. Deploying multiple fixed BSs improves the robustness, yet requires all BSs to be installed with large batteries and…

Networking and Internet Architecture · Computer Science 2014-09-17 Runwei Zhang , Francois Ingelrest , Guillermo Barrenetxea , Patrick Thiran , Martin Vetterli