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Semantic- and task-oriented communication has emerged as a promising approach to reducing the latency and bandwidth requirements of next-generation mobile networks by transmitting only the most relevant information needed to complete a…

Information Theory · Computer Science 2024-09-27 Deniz Gündüz , Michèle A. Wigger , Tze-Yang Tung , Ping Zhang , Yong Xiao

We propose a joint source-channel-network coding scheme, based on compressive sensing principles, for wireless networks with AWGN channels (that may include multiple access and broadcast), with sources exhibiting temporal and spatial…

Information Theory · Computer Science 2011-10-04 Soheil Feizi , Muriel Medard

Wireless sensor networks (WSNs) operating in the license-free spectrum suffer from uncontrolled interference as those spectrum bands become increasingly crowded. The emerging cognitive radio sensor networks (CRSNs) provide a promising…

Networking and Internet Architecture · Computer Science 2015-07-23 Ju Ren , Yaoxue Zhang , Ning Zhang , Deyu Zhang , Xuemin , Shen

Energy efficiency is a key requirement in the design of wireless sensor networks. While most theoretical studies only account for the energy requirements of communication, the sensing process, which includes measurements and compression,…

Information Theory · Computer Science 2012-05-23 Xi Liu , Osvaldo Simeone , Elza Erkip

Integrated Sensing and Communication (ISAC) systems have garnered significant attention due to their capability to simultaneously achieve efficient communication and environmental sensing. A core objective in this field is characterizing…

Information Theory · Computer Science 2026-01-16 Gefei Peng , Youlong Wu

The incorporation of Cognitive Radio (CR) and Energy Harvesting (EH) capabilities in wireless sensor networks enables spectrum and energy efficient heterogeneous cognitive radio sensor networks (HCRSNs). The new networking paradigm of…

Networking and Internet Architecture · Computer Science 2016-04-07 Deyu Zhang , Zhigang Chen Ju Ren , Ning Zhang , Mohamad Khattar Awad , Haibo Zhou , Xuemin , Shen

The research challenge of current Wireless Sensor Networks (WSNs) is to design energy-efficient, low-cost, high-accuracy, self-healing, and scalable systems for applications such as environmental monitoring. Traditional WSNs consist of low…

Signal Processing · Electrical Eng. & Systems 2020-04-03 Vidyasagar Sadhu , Xueyuan Zhao , Dario Pompili

Wireless sensor networks are often designed to perform two tasks: sensing a physical field and transmitting the data to end-users. A crucial aspect of the design of a WSN is the minimization of the overall energy consumption. Previous…

Information Theory · Computer Science 2014-01-07 Zichong Chen , Juri Ranieri , Runwei Zhang , Martin Vetterli

Certain sensing applications such as Internet of Things (IoTs), where the sensing phenomenon may change rapidly in both time and space, requires sensors that consume ultra-low power (so that they do not need to be put to sleep leading to…

Emerging Technologies · Computer Science 2019-07-12 Vidyasagar Sadhu , Sanjana Devaraj , Dario Pompili

Reliable spectrum sensing is a key functionality of a cognitive radio network. Cooperative spectrum sensing improves the detection reliability of a cognitive radio system but also increases the system energy consumption which is a critical…

Systems and Control · Computer Science 2015-03-19 Sina Maleki , Geert Leus

This paper advocates the use of the emerging distributed compressive sensing (DCS) paradigm in order to deploy energy harvesting (EH) wireless sensor networks (WSN) with practical network lifetime and data gathering rates that are…

Information Theory · Computer Science 2013-10-18 Wei Chen , Yiannis Andreopoulos , Ian J. Wassell , Miguel R. D. Rodrigues

Semantic communications is considered as a promising technology to increase the efficiency of next-generation communication systems, particularly targeting human-machine and machine-type communications. In contrast to the source-agnostic…

Information Theory · Computer Science 2023-07-20 Jialong Xu , Tze-Yang Tung , Bo Ai , Wei Chen , Yuxuan Sun , Deniz Gunduz

Sensors have limited resources so it is important to manage the resources efficiently to maximize their use. A sensor's battery is a crucial resource as it singly determines the lifetime of sensor network applications. Since these devices…

Networking and Internet Architecture · Computer Science 2012-01-06 Najmeh Kamyabpour , Doan B. Hoang

In this paper, we investigate the energy efficiency of conventional collaborative compressive sensing (CCCS) scheme, focusing on balancing the tradeoff between energy efficiency and detection accuracy in cognitive radio environment. In…

Cooperative spectrum sensing has been proven to improve sensing performance of cognitive users in presence of spectral diversity. For multi-channel CRN (MC-CRN), designing a cooperative spectrum sensing scheme becomes quite challenging as…

Networking and Internet Architecture · Computer Science 2017-11-08 Prakash Chauhan , Sanjib K. Deka , Monisha Devi , Nityananda Sarma

The cognitive radio wireless sensor networks have become an integral part of communicating spectrum information to the fusion center, in a cooperative spectrum sensing environment. A group of battery operated sensors or nodes, sensing…

Information Theory · Computer Science 2017-11-28 Atchutananda Surampudi , Krishnamoorthy Kalimuthu

Wirelessly-powered sensor networks (WPSNs) are becoming increasingly important in different monitoring applications. We consider a WPSN where a multiple-antenna base station, which is dedicated for energy transmission, sends pilot signals…

Networking and Internet Architecture · Computer Science 2020-01-27 Rong Du , Hossein Shokri Ghadikolaei , Carlo Fischione

Small satellites are widely used today as cost effective means to perform Earth observation and other tasks that generate large amounts of high-dimensional data, such as multi-spectral imagery. These satellites typically operate in low…

Networking and Internet Architecture · Computer Science 2024-03-12 Olga Kondrateva , Stefan Dietzel , Björn Scheuermann

Energy neutral operation of WSNs can be achieved by exploiting the idleness of the workload to bring the average power consumption of each node below the harvesting power available. This paper proposes a combination of state-of-the-art…

Networking and Internet Architecture · Computer Science 2016-03-21 Usman Raza , Alessandro Bogliolo , Valerio Freschi , Emanuele Lattanzi , Amy L. Murphy

In this survey paper, our goal is to discuss recent advances of compressive sensing (CS) based solutions in wireless sensor networks (WSNs) including the main ongoing/recent research efforts, challenges and research trends in this area. In…

Signal Processing · Electrical Eng. & Systems 2019-01-23 Thakshila Wimalajeewa , Pramod K. Varshney
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