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Semantic communication has gained attention as a key enabler for intelligent and context-aware communication. However, one of the key challenges of semantic communications is the need to tailor the resource allocation to meet the specific…

Information Theory · Computer Science 2024-01-22 Ouiame Marnissi , Hajar EL Hammouti , El Houcine Bergou

The dramatic advances in wireless communications and electronics have enabled the development of Wireless Sensor Networks (WSNs). WSNs consist of many affordable and portable sensor nodes for collecting data from the environment. In this…

Networking and Internet Architecture · Computer Science 2013-10-29 Trang Cao Minh , Boris Bellalta , Simon Oechsner , Ruizhi Liao , Miquel Oliver

In this paper, we study the problem of jointly retrieving the state of a dynamical system, as well as the state of the sensors deployed to estimate it. We assume that the sensors possess a simple computational unit that is capable of…

Optimization and Control · Mathematics 2017-03-21 Andreea B. Alexandru , Sergio Pequito , Ali Jadbabaie , George J. Pappas

A wireless sensor network (WSN) has important applications such as remote environmental monitoring and target tracking. This has been enabled by the availability, particularly in recent years, of sensors that are smaller, cheaper, and…

Networking and Internet Architecture · Computer Science 2014-04-08 Sukhchandan Randhawa

One of the main drivers for new waveforms in future 5G wireless communication systems is to handle efficiently the variety of traffic types and requirements. In this paper, we introduce a new random access within the standard acquisition…

Information Theory · Computer Science 2017-01-17 Gerhard Wunder , Martin Kasparick , Peter Jung

In this paper, we study resource allocation algorithm design for power efficient secure communication with simultaneous wireless information and power transfer (WIPT) in multiuser communication systems. In particular, we focus on power…

Information Theory · Computer Science 2014-02-25 Shiyang Leng , Derrick Wing Kwan Ng , Robert Schober

We consider a distributed storage problem in a large-scale wireless sensor network with $n$ nodes among which $k$ acquire (sense) independent data. The goal is to disseminate the acquired information throughout the network so that each of…

Information Theory · Computer Science 2016-11-18 Salah A. Aly , Zhenning Kong , Emina Soljanin

A wireless network in which packets are broadcast to a group of receivers through use of a random access protocol is considered in this work. The relation to previous work on networks of interacting queues is discussed and subsequently, the…

Information Theory · Computer Science 2007-11-05 Brooke Shrader , Anthony Ephremides

In traditional spread-spectrum techniques, a wideband transmit signal is obtained by modulating a wideband carrier by a narrowband signal containing a relatively low-rate message. In the receiver, the respective demodulation/despreading…

Signal Processing · Electrical Eng. & Systems 2020-08-17 Alexei V. Nikitin , Ruslan L. Davidchack

Wireless sensor networks (WSNs) have attracted considerable attention in recent years and motivate a host of new challenges for distributed signal processing. The problem of distributed or decentralized estimation has often been considered…

Machine Learning · Computer Science 2009-11-11 Joel B. Predd , Sanjeev R. Kulkarni , H. Vincent Poor

Several years ago, wireless sensor networks were used only by the military. These networks, which have many uses and are subject to limitations, the most important of which is the energy constraint, this energy constraint creates the…

Signal Processing · Electrical Eng. & Systems 2022-07-19 Ali Taghavirashidizadeh , Arash Bahram Zarei , Arman Farsi

Wireless Sensor Networks (WSNs) are highly distributed networks consisting of a large number of tiny, low-cost, light-weight wireless nodes deployed to monitor an environment or a system. Each node in a WSN consists of three subsystems: the…

Networking and Internet Architecture · Computer Science 2016-11-15 Jaydip Sen

This paper is about the wireless sensor network in environmental monitoring applications. A Wireless Sensor Network consists of many sensor nodes and a base station. The number and type of sensor nodes and the design protocols for any…

Networking and Internet Architecture · Computer Science 2012-02-10 Rathna. R , Sivasubramanian. A

In a resource-constrained Wireless Sensor Networks (WSNs), the optimization of the sampling and the transmission rates of each individual node is a crucial issue. A high volume of redundant data transmitted through the network will result…

Networking and Internet Architecture · Computer Science 2019-04-16 Gaby Bou Tayeh , Abdallah Makhoul , Charith Perera , Jacques Demerjian

Spectrum resources management of growing demands is a challenging problem and Cognitive Radio (CR) known to be capable of improving the spectrum utilization. Recently, Power Spectral Density (PSD) map is defined to enable the CR to reuse…

Information Theory · Computer Science 2017-03-17 Mohammad Eslami , Seyed Hamid Safavi , Farah Torkamani-Azar , Esfandiar Mehrshahi

Active sensing refers to the process of choosing or tuning a set of sensors in order to track an underlying system in an efficient and accurate way. In a wireless environment, among the several kinds of features extracted by traditional…

Information Theory · Computer Science 2016-05-30 Alessandro Biason , Urbashi Mitra , Michele Zorzi

Interference-aware resource allocation of time slots and frequency channels in single-antenna, halfduplex radio wireless sensor networks (WSN) is challenging. Devising distributed algorithms for such task further complicates the problem.…

Information Theory · Computer Science 2017-03-21 Panos N. Alevizos , Efthymios A. Vlachos , Aggelos Bletsas

We study wireless power transmission by an energy source to multiple energy harvesting nodes with the aim to maximize the energy efficiency. The source transmits energy to the nodes using one of the available power levels in each time slot…

Signal Processing · Electrical Eng. & Systems 2021-01-01 Debamita Ghosh , Manjesh K. Hanawal , Nikola Zlatanov

Remote state estimation, where sensors send their measurements of distributed dynamic plants to a remote estimator over shared wireless resources, is essential for mission-critical applications of Industry 4.0. Existing algorithms on…

Systems and Control · Electrical Eng. & Systems 2022-05-26 Gaoyang Pang , Wanchun Liu , Yonghui Li , Branka Vucetic

This paper presents a two-phase cooperative communication strategy and an optimal power allocation strategy to transmit sensor observations to a fusion center in a large-scale sensor network. Outage probability is used to evaluate the…

Networking and Internet Architecture · Computer Science 2012-08-23 Li Li , Kamesh Namuduri , Shengli Fu