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Topic Area: Sensors

Displaying records 1 to 10 of 508 records.
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1. Impacts of 2.4 GHz ISM Band Interference on IEEE 802.15.4 Wireless Sensor Network Reliability in Buildings
Topic: Sensors
Published: 9/9/2012
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: With the recent emergence of standards, wireless solutions are ready to be deployed in building automation networks. IEEE 802.15.4 is a standard for short range wireless networks. Its major applications fields are home and building automation, as wel ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=906735

2. Battery Discharge Characteristics of Wireless Sensors in Building Applications
Topic: Sensors
Published: 4/11/2012
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: Sensor nodes in wireless networks often use batteries as their source of energy, but replacing or recharging exhausted batteries in a deployed network can be difficult and costly. Therefore, prolonging battery life becomes a principal objective ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=910723

3. MEMS
Topic: Sensors
Published: 1/12/2012
Author: Michael Gaitan
Abstract: Micro-Electro-Mechanical Systems (MEMS) are devices that are fabricated using techniques similar to those used for integrated circuits (ICs) to create micrometer-sized mechanical structures (suspended bridges, cantilevers, membranes, fluid channels ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=910072

4. MICROHOTPLATE TEMPERATURE SENSOR CALIBRATION AND BIST
Topic: Sensors
Published: 1/3/2012
Authors: Muhammad Yaqub Afridi, Christopher B Montgomery, Stephen Semancik, Kenneth Gruber Kreider, Jon C Geist
Abstract: In this paper we describe a novel long-term microhotplate temperature sensor calibration technique suitable for Built-In Self Test (BIST). The microhotplate thermal resistance (thermal efficiency) and the thermal voltage from an integrated platinum-r ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=907855

5. Calorimetric Sensors
Topic: Sensors
Published: 4/15/2011
Author: Richard E Cavicchi
Abstract: The calorimetric gas sensor has evolved from a simple metal hot wire to a modern device fabricated using micromachining techniques. The principle of operation is to detect the heat evolved from combustible gases on the sensor surface. While the mos ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=903256

6. MEMS Microhotplate Temperature Sensor BIST: Importance and Applications
Topic: Sensors
Published: 11/3/2010
Author: Muhammad Yaqub Afridi
http://nist.gov/manuscript-publication-search.cfm?pub_id=907371

7. Performance Measurements and Analysis of Low Data Rate Wireless Communication Under Interference Sources in Buildings
Topic: Sensors
Published: 10/13/2010
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: Interference from collocated networks operating over the same frequency range becomes an increasingly severe problem as the number of networks overlapping geographically increases within commercial and residential buildings. This paper aims to highli ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=905715

8. Using Chemical Vapor Deposition Precursor Chemistry to Template Nanostructured Vanadium Oxide for Chemical Sensing
Topic: Sensors
Published: 9/30/2010
Authors: S Y. Lee, Anna Mebust, Adam Chaimowitz, Casey Davis-VanAtta, Muhammad Yaqub Afridi, Charles Taylor
Abstract: We demonstrate the preparation of selective nanostructured vanadium oxide chemical sensors using chemical vapor deposition precursor chemistry to control film microstructure. The origins of the response selectivity may be traced back to the nature of ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=33205

9. An Experimental Study of Interference Impacts on ZigBee-based Wireless Communications Inside Buildings
Topic: Sensors
Published: 8/7/2010
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: ZigBee is a wireless technology developed as an open global standard to address the unique needs of low-cost, low-power wireless sensor networks. This standard takes full advantages of the IEEE 802.15.4 physical radio specification and operates in un ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=905714

10. IEEE 1451.5 STANDARDS-BASED WIRELESS SENSOR NETWORKS
Topic: Sensors
Published: 7/1/2010
Authors: Yuyin Song, Kang B Lee
Abstract: Recent advances in wireless communications, networking, electronics, and microprocessors have enabled the development of low-cost, low-power wireless sensor nodes. Wireless sensor networks have become more widely used to monitor the condition of the ...
http://nist.gov/manuscript-publication-search.cfm?pub_id=903978