Filters








100 Hits in 6.1 sec

Practical issues in the development of a minimalistic power management solution for WSNs

Jorge M. Soares, Bruno J. Goncalves, Rui M. Rocha
2010 International Journal of Sensor Networks (IJSNet)  
We discuss the main issues related with the development of power management solutions, presenting our architecture, design choices and implementation, and address the lessons learnt from its integration  ...  Major issues, like global power management, have to be tackled not only with traditional protocol level approaches but also from a system's viewpoint, providing solutions capable of guaranteeing a consistent  ...  We wish to thank our colleagues at the Group of Embedded Networked Systems and Heterogeneous Networks (GEMS) for their input, and especially Luís Pedrosa for the precious help and advice given over the  ... 
doi:10.1504/ijsnet.2010.036189 fatcat:ffyz7j2nofg7fckljrqyqguaeu

System Level Synthesis for Ultra Low-Power Wireless Sensor Nodes

Muhammad Adeel Pasha, Steven Derrien, Olivier Sentieys
2010 2010 13th Euromicro Conference on Digital System Design: Architectures, Methods and Tools  
In this paper, we propose a complete system level ow for an alternative approach based on the concept of hardware micro-tasks, which relies on hardware specialization and power gating to dramatically improve  ...  Engineering hardware platform for a Wireless Sensor Network (WSN) node is known to be a tough challenge, as the design must enforce many severe constraints, among which energy dissipation is by far the  ...  The Issue of Reprogrammability Of course, our solution has a drawback: it assumes that the micro-tasks are hard-wired into silicon as ASIC (Application-Specic Integrated Circuit) blocks.  ... 
doi:10.1109/dsd.2010.88 dblp:conf/dsd/PashaDS10 fatcat:aobuqde2h5bwtk42lv54nlzdyu

Tool-Supported Methodology for Component-Based Design of Wireless Sensor Network Applications

Steffen Peter, Peter Langendorfer
2012 2012 IEEE 36th Annual Computer Software and Applications Conference Workshops  
In order to speed up the development process, a new methodology for WSN application development is required.  ...  A major issue when developing Wireless sensor networks applications is the need for highly specialized knowledge in the field of embedded programming, networking and in the application domain.  ...  Acknowledgments: The work has been supported by the European Commission through the ICT program under contract ICT-SEC-2009-5-258754 (TAMPRES).  ... 
doi:10.1109/compsacw.2012.98 dblp:conf/compsac/PeterL12 fatcat:itofki56bfeppl3ekfkfhthpg4

Transmission Power Control for Link-Level Handshaking in Wireless Sensor Networks

Huseyin Ugur Yildiz, Bulent Tavli, Halim Yanikomeroglu
2016 IEEE Sensors Journal  
In practical Wireless Sensor Networks (WSNs) the main mechanism for link level data exchange is through handshaking.  ...  In this study we investigate the impact of optimal transmission power assignment for data and ACK packets on network lifetime in WSNs.  ...  In [15] , an overview on power management and classification of transmission power control approaches in WSNs is presented.  ... 
doi:10.1109/jsen.2015.2486960 fatcat:biilhlrj5bgkfk5yde6xwc6xey

Smart Cities: A Survey on Security Concerns

Sidra Ijaz, Munam Ali, Abid Khan, Mansoor Ahmed
2016 International Journal of Advanced Computer Science and Applications  
However, the function and operation of a smart city is subject to the pivotal development of security architectures. The contribution made in this paper is twofold.  ...  A smart city is developed, deployed and maintained with the help of Internet of Things (IoT).  ...  The issues of information security also needs to be addressed for a better economic development of a smart city.  ... 
doi:10.14569/ijacsa.2016.070277 fatcat:67muv424trfq3ikrzwoi7kfujy

Multicast and IP Multicast Support in Wireless Sensor Networks

Jorge Sá Silva, Tiago Camilo, Pedro Pinto, Ricardo Ruivo, André Rodrigues, Filipa Gaudêncio, Fernando Boavida
2008 Journal of Networks  
Specifically, we evaluate the use of Source-Specific Multicast, as it is one of the most promising paradigms for IP networking, considering both IPv4 and IPv6 in WSNs.  ...  A sensor platform with IP and multicast support that is being developed in our lab is presented.  ...  ACKNOWLEDGEMENT The work presented in this paper was partially financed the Portuguese Foundation for Science and Technology, FCT, under the 6MNet POSI/REDES/44089/2002 project, and by the IST FP6 CONTENT  ... 
doi:10.4304/jnw.3.3.19-26 fatcat:tsu2vlpasbdlhj5hbxxm7ovo44

A Review of Network Evolution towards a Smart Connected World

Olivia Haring, Sylvia Worlali Azumah, Nelly Elsayed
2021 International Journal of Computer Applications  
In this paper, we propose a comprehensive literature review that focuses on various network components that create connectivity among different devices, specifically Wireless Sensor Networks (WSNs), Radio-Frequency  ...  With the rapid innovations in technology, wireless internet-connected devices are more ubiquitous than ever and can be found in virtually every aspect of both our personal and professional lives.  ...  Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.  ... 
doi:10.5120/ijca2021921311 fatcat:k5qcbk4qtfddtl5dxaqufnzipm

Body Area Sensor Networks: Challenges and Opportunities

M.A. Hanson, H.C. Powell, A.T. Barth, K. Ringgenberg, B.H. Calhoun, J.H. Aylor, J. Lach
2009 Computer  
Body area sensors can enable novel applications in and beyond healthcare, but research must address obstacles such as size, cost, compatibility, and perceived value before networks that use such sensors  ...  Figure 4 shows the power consumption of wireless transceivers and microprocessors in popular BASN and WSN platforms.  ...  To remain a practical energy source for BASNs, battery technology The deployment and control of prosthetics or remote robotic assistive devices is a possible application of BASNs.  ... 
doi:10.1109/mc.2009.5 fatcat:v3l7ic44m5ayrefwylonll5oly

System-Level Synthesis for Wireless Sensor Node Controllers

Muhammad Adeel Pasha, Steven Derrien, Olivier Sentieys
2012 ACM Transactions on Design Automation of Electronic Systems  
In this work, we propose a complete system-level flow for an alternative approach based on the concept of hardware microtasks, which relies on hardware specialization and power gating to drastically improve  ...  WSN node devices have until now been designed using off-the-shelf low-power microcontroller units (MCUs), even if their power dissipation is still an issue and hinders the widespread use of this new technology  ...  Fig. 5 . 5 Proposed solution to tackle the issue of loss of reprogrammability. Fig. 6 . 6 System-level view of a microtask based WSN node control/computation subsystem.  ... 
doi:10.1145/2071356.2071358 fatcat:vgzarymhjfayrelgjsuyvbq32y

CONGESTION CONTROL FOR A ULTRA-WIDEBAND DYNAMIC SENSOR NETWORK USING AUTONOMIC BASED LEARNING

SANJAY K N, SHAILA K, VENUGOPAL K R
2019 INTERNATIONAL JOURNAL OF COMPUTER ENGINEERING & TECHNOLOGY  
Exploring the Autonomicity would help us in evading the congestion of about 30% in a typical UWB-WSNs.  ...  One such solution is to employ autonomic based learning in a MAC Layer of the UWB TxRx.  ...  that are conceptual, functional with related practical issues involved in operation, administration and management of the autonomic computing environment.  ... 
doi:10.34218/ijcet.10.5.2019.003 fatcat:ywvx3c6tgrhobkb5un3ftj7gze

MDE to Manage Communications with and between Resource-Constrained Systems [chapter]

Franck Fleurey, Brice Morin, Arnor Solberg, Olivier Barais
2011 Lecture Notes in Computer Science  
The approach is implemented in an IDE for the development resource-constrained Things.  ...  The contribution of this paper is a model-based approach for the efficient provisioning and management of the communication between heterogeneous resource-constrained devices.  ...  However, solution exists for tackling these issues for the powerful nodes: standards define ways to represent and exchange data in a homogeneous way, some middlewares, software frameworks and networking  ... 
doi:10.1007/978-3-642-24485-8_25 fatcat:c4vxpplqrngetnofxptcitlanu

Dandelion

Felix Xiaozhu Lin, Ahmad Rahmati, Lin Zhong
2010 Wireless Health 2010 on - WH '10  
However, it is difficult for the majority of smartphone developers to program wireless body sensors directly; current sensor nodes require developers to master node-level programming, implement the communication  ...  Acknowledgements The work was supported in part by NSF Grants #0713249, #0751173, #0803556, and #0923479, and by the Texas Instruments Leadership University program.  ...  The authors were also grateful to the anonymous reviewers whose constructive comments help improve the final version.  ... 
doi:10.1145/1921081.1921091 dblp:conf/wh/LinRZ10 fatcat:ezvoelks6jgodjukx6tbrwvojm

Container-Based Virtualization for Bluetooth Low Energy Sensor Devices in Internet of Things Applications

2021 Tehnički Vjesnik  
Internet of Things (IoT) has become a continuously growing concept with the developments of ubiquitous computing, wireless sensor networks (WSN).  ...  In this study, a prototype model has been developed and its performance is investigated.  ...  At the center of each WSN cluster is a gateway node that manages sensor nodes. These Gateway nodes are also managed by a global controller.  ... 
doi:10.17559/tv-20180528134139 fatcat:amexcajrsnchzkjg4qqfk7iuaq

PicOS tuples

Benny Shimony, Ioanis Nikolaidis, Pawel Gburzynski, Eleni Stroulia
2010 Proceedings of the 7th International Workshop on Model-Based Methodologies for Pervasive and Embedded Software - MOMPES '10  
The task of programming sensor-based systems comes with severe constraints on the resources, typically memory, CPU power, and energy.  ...  The extension improves state and context management in a multi-tasking environment suffering from severe memory limitations.  ...  In our solution, shared state is managed through the use of a centralized local repository.  ... 
doi:10.1145/1865875.1865883 dblp:conf/mompes/ShimonyNGS10 fatcat:yivropwse5gb5a7u5kp3gexou4

Programming wireless sensor networks

Luca Mottola, Gian Pietro Picco
2011 ACM Computing Surveys  
However, application development is still one of the main hurdles to a wide adoption of WSN technology.  ...  Nonetheless, clearly defining the conceptual boundaries between the subject of this paper and the overall state of the art is a particularly tricky issue in WSNs, where abstraction layers often blend for  ...  This work is partially supported by the Autonomous Province  ... 
doi:10.1145/1922649.1922656 fatcat:qk4teaxf7zbrxpafyaobxmhsdm
« Previous Showing results 1 — 15 out of 100 results