4,360 Hits in 4.9 sec

Distributed Detection in UWB Sensor Networks under Non-Orthogonal Nakagami-m Fading

A. Mehbodniya, D. Bielefeld, S. Aissa, R. Mathar, F. Adachi
2011 2011 IEEE Vehicular Technology Conference (VTC Fall)  
Several attractive features of ultra wideband (UWB) communications make it a good candidate for physical-layer of wireless sensor networks (WSN).  ...  In this paper, we present an opportunistic power assignment strategy for distributed detection in parallel fusion WSNs, considering a Nakagami-m fading model for the communication channel and time-hopping  ...  CONCLUSION This paper addressed the power assignment problem in UWB-based wireless sensor networks (WSNs).  ... 
doi:10.1109/vetecf.2011.6093200 dblp:conf/vtc/MehbodniyaBAMA11 fatcat:7tn33637ivbg5czjcbn5dwuecq

UWB Technology for WSN Applications [chapter]

Anwarul Azim, M. A, Asaduzzaman, Nowshad Ami
2011 Novel Applications of the UWB Technologies  
Novel Applications of the UWB Technologies 160 themselves to form viable single-hop or multi-hop wireless communications networks.  ...  Recent advancement in wireless communications and electronics has enabled the development of low-cost sensor networks.  ...  Due to the ability of noise immunity and low probability of detection and interference rejection, DS-UWB is a good choice for wireless sensor networks.  ... 
doi:10.5772/19612 fatcat:gjpr5rr6tfflradedratifddwq

Power-aware distributed detection in IR-UWB sensor networks

Daniel Bielefeld, Gernot Fabeck, Rudolf Mathar
2008 2008 5th IEEE Sensor Array and Multichannel Signal Processing Workshop  
The interplay between signal processing and wireless networking plays a crucial role in sensor networks deployed for detection and estimation applications.  ...  In this paper, an opportunistic power assignment strategy for IR-UWB sensor networks is presented which is designed to optimize detection performance in terms of the global probability of error.  ...  INTRODUCTION Distributed detection of phenomena of interest is one of the primary applications of wireless sensor networks [1, 2] .  ... 
doi:10.1109/sam.2008.4606868 fatcat:lwt2rmddmvf3dpqt2ncxlvzk54

Introduction to Ultra Wideband [chapter]

Hüseyin Arslan, Maria-Gabriella Di Benedetto
2005 Ultra Wideband Wireless Communication  
the particular role of UWB in wireless ad-hoc and sensors networks.  ...  Finally, a case study chapter on the application of UWB on wireless sensors network and for geolocationing is provided in Chapter 17, "UWB Location and Tracking-a Practical Example of an UWB-based Sensor  ... 
doi:10.1002/9780470042397.ch1 fatcat:6okhwnhrn5awjaykl3fb3ln46e

Medium Access Control for Wireless Sensor Networks based on Impulse Radio Ultra Wideband [article]

Abdoulaye Berthe, Daniela Dragomirescu
2010 arXiv   pre-print
This paper describes a detailed performance evaluation of distributed Medium Access Control (MAC) protocols for Wireless Sensor Networks based on Impulse Radio Ultra Wideband (IR-UWB) Physical layer (PHY  ...  The performance evaluation is performed using a complete Wireless Sensor Networks (WSN) simulator built on the Global Mobile Information System Simulator (GloMoSim).  ...  INTRODUCTION Wireless Sensor Networks is a system composed of several autonomous nodes.  ... 
arXiv:1002.0573v1 fatcat:s5o7fvv75bgmlpsd4mblouc5hm

Performance Study of an Ultra-Wideband Indoor Localization and Asset Tracking System [chapter]

Jong-Hoon Youn, Yong Cho
2010 Ultra Wideband  
In the proposed system, the communication between the UWB sensors and a laptop is also performed wirelessly through the 802.11 network, and each UWB sensor drains power from a portable battery in order  ...  As shown in Fig. 1 , each robot was equipped with six ultrasonic range sensor modules, nine infrared distance measuring sensors, two wheel encoders, and two human detect/motion sensors detecting infrared  ...  Ultra wideband communication system applications include radars, wireless personal area networks, sensor networks, imaging systems and high precision positioning systems.  ... 
doi:10.5772/10055 fatcat:m3zumwjn7vfinb3nbgtmgvl7la

Probability of early detection of ultra-wideband positioning sensor networks

T. Hazim, T.A. Tsiftsis, G.K. Karagiannidis
2011 IET Wireless Sensor Systems  
In this study, we study the PoED of UWB positioning sensor networks subject to narrowband interference modelled with Nakagami-m distribution.  ...  Ultra-wideband (UWB) sensor networks can be efficiently applied to collect data through sensors deployed for preserving environment and rescuing lives.  ...  In Fig. 1 , we present a possible scenario where a number of sensors form a wireless UWB sensor network.  ... 
doi:10.1049/iet-wss.2011.0033 fatcat:irpq2wxcb5a5dbg6mrvn2sks6q

Human body detection using UWB radar in an indoor environment

Go Shingu, Kenichi Takizawa, Tetushi Ikegami
2008 2008 International Symposium on Communications and Information Technologies  
In this paper, sensor network made up of some UWB radar terminals to estimate distance and to detect human being existence is studied.  ...  The positioning accuracy of the human body and the effectiveness of the sensor network with UWB radar are shown.  ...  The sensor network is a system that collects the data detected in the surrounding environment of the wireless sensor nodes and acquired in the base station or data collector through the network [3] .  ... 
doi:10.1109/iscit.2008.4700199 fatcat:2fosqeffmjbedk3fib5sf4onhq

Applications of UWB Networks and Positioning to Autonomous Robots and Industrial Systems [article]

Xianjia Yu, Qingqing Li, Jorge Peña Queralta, Jukka Heikkonen, Tomi Westerlund
2021 arXiv   pre-print
This survey overviews the state-of-the-art in UWB networking and localization for robotic and autonomous systems.  ...  Ultra-wideband (UWB) technology is a mature technology that contested other wireless technologies in the advent of the IoT but did not achieve the same levels of widespread adoption.  ...  The third example then shows a UWB mesh network enabling simultaneously a networking and positioning solution in wireless sensor networks [4] .  ... 
arXiv:2103.13488v2 fatcat:3oinaz4wfbeennfuc5xi5b2csu

Interference Mitigation between Ultra-Wideband Sensor Network and Other Legal Systems

Bin Li, Zheng Zhou, Weixia Zou, Feng Zhao, Zhuo Li, Dejian Li
2010 EURASIP Journal on Wireless Communications and Networking  
In this paper, we consider interference mitigation in UWB sensors in the context of cognitive radio (CR).  ...  Also, sufficient spectral attenuation can be generated in specific bands to mitigate mutual interference between UWB sensors and other networks.  ...  is much more suitable for distributed UWB sensors.  ... 
doi:10.1155/2010/290306 fatcat:3sfwd7tezfhijfspuudcvg7v44

Performance evaluation of wireless sensor network for spatial and aeronautic systems

Akram Hakiri, Pascal Berthou, Julien Henaut, Daniela Dragomirescu, Thierry Gayraud
2010 2010 17th International Conference on Telecommunications  
Ultra-wideband (UWB) has been proposed for physical layer standard for high speed wireless personal area networks (WPAN).  ...  It intends to evaluate the performance of Wimedia-UWB wireless networks communication for spatial and aeronautic systems.  ...  Wimedia UWB technology is a viable solution to enable high throughput data delivery in wireless networks.  ... 
doi:10.1109/ictel.2010.5478764 dblp:conf/ict/HakiriBHDG10 fatcat:h4gkjocxzrhjhkjiltkdmb6xvq

Performance Analysis of IEEE 802.15.4a System in UWB Intra Vehicle Communications Channel
UWB 차량통신 채널에서 IEEE 802.15.4a 시스템의 성능 분석

Gulmira Khuandaga, Cheon-Hee Lee, Baek-Hyun Kim, Kyung-Sup Kwak
2012 The Journal of The Korea Institute of Intelligent Transport Systems  
Abstract Recently wireless intra-vehicle communication has received a great interest from the automotive industry and ultra wideband (UWB) technology is considered as one of the potential candidate for  ...  This paper is to study IEEE 802.15.4a standard in intra-vehicle channel and to evaluate its performance. Channel model in chassis and engine compartment is considered for evaluation.  ...  The second is wireless networked control systems (wireless NCS), which are suggested to replace the conventional wired controller area networks (CAN) that consists of number of sensors.  ... 
doi:10.12815/kits.2012.11.1.053 fatcat:ay7p6zkcc5c5nhcmo5s5yk263e

UWB Systems for Wireless Sensor Networks

Jinyun Zhang, Philip V. Orlik, Zafer Sahinoglu, Andreas F. Molisch, Patrick Kinney
2009 Proceedings of the IEEE  
); wireless personal-area network (WPAN); wireless sensor networks (WSNs) Manuscript  ...  ABSTRACT | Wireless sensor networks are emerging as an important area for communications.  ...  Sensor Network Overview In sensor networks ( [22] - [27] and references therein), many spatially distributed radio transceivers with attached sensors are used to monitor environmental conditions, such  ... 
doi:10.1109/jproc.2008.2008786 fatcat:3bluw7dgzra5peqsgmcoryprnu

A Survey of MAC Protocols for Cognitive Radio Body Area Networks

Sabin Bhandari, Sangman Moh
2015 Sensors  
The advancement in electronics, wireless communications and integrated circuits has enabled the development of small low-power sensors and actuators that can be placed on, in or around the human body.  ...  Because of the spectrum scarcity problem recently encountered in wireless communication domains, cognitive radio (CR) technology has emerged as a key technique in wireless networks, including fifth-generation  ...  This research was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2013R1A1A2011744).  ... 
doi:10.3390/s150409189 pmid:25903551 pmcid:PMC4431186 fatcat:w3h2qtq6qnd7hiiqkpijn2exu4

Power-Aware Sensor Selection for Distributed Detection in Wireless Sensor Networks

Gernot Fabeck, Daniel Bielefeld, Rudolf Mathar
2009 2009 IEEE 70th Vehicular Technology Conference Fall  
In this paper, a power-aware sensor selection strategy for wireless sensor networks is presented that is especially designed for distributed detection with soft decision fusion.  ...  The limited energy of sensor nodes in wireless sensor networks strongly recommends power-aware design methodologies.  ...  INTRODUCTION Distributed detection of signal sources in a region of interest is one of the primary applications of wireless sensor networks [1] - [3] .  ... 
doi:10.1109/vetecf.2009.5379113 dblp:conf/vtc/FabeckBM09 fatcat:icai7mxe2fbwtaan4ptttmg4qe
« Previous Showing results 1 — 15 out of 4,360 results