نتایج جستجو برای: mote

تعداد نتایج: 706  

2013
Marc J. Rubin

Implementing a wireless sensor network capable of near real-time, continuous (e.g., 500 Hz sampling rate), geophysical sensing requires a better approach than a simplistic sense, store, send methodology. Transmitting all sensor data is very power intensive, as the radio consumes much more power than other wireless mote components (e.g., CPU, ADC) [1]. To address the need for a lightweight data ...

2013
Ali Elkateeb

In this paper, a development of sensor node for environment monitoring is described. The Reconfigurable System-On-chip (RSOC) technology is used to integrate the node’s main components on FieldProgrammable Gate Array (FPGA) chip. The main components required to support the environmental applications such as pixels sensor, reconfigurable processing core, and a tiny solar unit for recharging node...

2002
Narito KURATA Billie F. SPENCER Manuel RUIZ-SANDOVAL

Buildings are subjected to natural hazards, such as earthquakes and winds, and man-made hazards, such as fires and crimes, during their long-term use. To mitigate these hazards, monitoring these risks by sensing certain types of physical values is necessary. Recently, a smart sensor based on the Berkeley Mote platform was introduced, and an application to the next generation of structural healt...

2004
T. Nagayama

Industrialized nations have made huge investments in civil infrastructure and attention must be given to its proper maintenance. Structural Health Monitoring (SHM) and Damage Detection (DD) strategies have been developed by many researchers in support of efficient operation and maintenance of civil infrastructure. Smart wireless sensor networks are promising in that they have the potential to d...

Journal: :The Journal of clinical investigation 1976
P W Askenase J E Atwood

Jones-Mote reactions are delayed, erythematous, and mildly indurated cutaneous reactions originally described in humans sensitized by skin injection of heterologous proteins. Similar reactions in guinea pigs contain many basophils and are called cutaneous basophil hypersensitivity. In contrast, guinea pigs immunized with mycobacterial adjuvants have classical tuberculin-type delayed hypersensit...

2012
Jiakai Li Gürsel Serpen

TOSSIM is a wireless sensor network (WSN) emulator which is useful for assessing and evaluating application code in TinyOS operating system and Mica mote based environments. Although TOSSIM provides a high-fidelity and very accurate emulation environment for WSN applications, there are some significant drawbacks that might hinder simulation of larger scale WSNs. TOSSIM can simulate WSNs with up...

2010
M. Hayes

The Tyndall Mote is a technology platform for research activities in Wireless Sensor Networks (WSN). BEM is one of the major application areas as it has been demonstrated that energy effic iency savings of up to 1520% are possible by using WSN technology in smart build ing applications [1]. The current mote design offers a modular, flexible and stackable solution. But for next generation design...

2015
R. Hemalatha R. Ramaprabha S. Radha

Wireless sensor networks (WSN) have limited lifetime due to on board battery. The lifetime can be improved by energy harvesting solutions. In this paper the solar energy harvester requirements for TelosB mote has been analyzed and calculated. Photovoltaic (PV) panel and battery sizing requirements are calculated by assuming that the mote follows SMAC and TDMA-MAC schedule for image communicatio...

2008
Billy Lau Michael Lyons

Sensor networks are designed to monitor an area but their sensors notoriously suffer from poor accuracy. Although these sensors could be manually calibrated or replaced with precise alternatives, the time, manpower, and monetary costs may be prohibitive. Further, environmental changes may require regular re-calibration, adding to the expenses previously mentioned. We propose a method for lazily...

2002
Philip Levis

The Maté virtual machine is a powerful mechanism for sensor networks, providing execution safety, energy-efficiency through concise programs, and rapid network reprogramming through viral code. Viral code propagation has obvious security issues; a single nefarious program can quickly take over a network, while program conciseness exposes possible weaknesses to cryptanalysis and mote failure mea...

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