A 2.4-GHz CMOS short-range wireless-sensor-network interface for automotive applications / Carmo, Joao Paulo in IEEE transactions on industrial electronics, Vol. 57 N° 5 (Mai 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 5 (Mai 2010) . - pp. 1764 - 1771 Titre : A 2.4-GHz CMOS short-range wireless-sensor-network interface for automotive applications Type de document : texte imprimé Auteurs : Carmo, Joao Paulo, Auteur ; Mendes, Paulo Mateus, Auteur ; Couto, Carlos, Auteur Année de publication : 2011 Article en page(s) : pp. 1764 - 1771 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Automotive sensors Sensor interface Wireless microsystems sensor networks Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper describes a CMOS interface for short-range wireless sensor networks (CMOS-SRWSN interface). The sensor interface is composed of a sensor readout, electronics for processing and control, a memory, a radio-frequency CMOS transceiver for operation in the 2.4-GHz industrial, scientific, and medical bands, and a planar antenna. The receiver has a sensitivity of -60 dBm and consumes 6.3 mW from a 1.8-V supply. The transmitter delivers an output power of 0 dBm with a power consumption of 11.2 mW. The application of the CMOS-SRWSN interface is in the automotive industry for the reduction of cables and to support the information, communication, and entertainment systems in cars. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5256300 [article] A 2.4-GHz CMOS short-range wireless-sensor-network interface for automotive applications [texte imprimé] / Carmo, Joao Paulo, Auteur ; Mendes, Paulo Mateus, Auteur ; Couto, Carlos, Auteur . - 2011 . - pp. 1764 - 1771. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 5 (Mai 2010) . - pp. 1764 - 1771 Mots-clés : Automotive sensors Sensor interface Wireless microsystems sensor networks Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper describes a CMOS interface for short-range wireless sensor networks (CMOS-SRWSN interface). The sensor interface is composed of a sensor readout, electronics for processing and control, a memory, a radio-frequency CMOS transceiver for operation in the 2.4-GHz industrial, scientific, and medical bands, and a planar antenna. The receiver has a sensitivity of -60 dBm and consumes 6.3 mW from a 1.8-V supply. The transmitter delivers an output power of 0 dBm with a power consumption of 11.2 mW. The application of the CMOS-SRWSN interface is in the automotive industry for the reduction of cables and to support the information, communication, and entertainment systems in cars. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5256300

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Thermoelectric microconverter for energy harvesting systems / Carmo, Joao Paulo in IEEE transactions on industrial electronics, Vol. 57 N° 3 (Mars 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 3 (Mars 2010) . - pp. 861 - 867 Titre : Thermoelectric microconverter for energy harvesting systems Type de document : texte imprimé Auteurs : Carmo, Joao Paulo, Auteur ; Goncalves, Luis Miguel, Auteur ; Correia, José Higino, Auteur Article en page(s) : pp. 861 - 867 Note générale : Génie élecrique Langues : Anglais (eng) Mots-clés : Energy harvesting Microgeneration Renewable energy sources Thermoelectric scavenging systems Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a solution for energy microgeneration through energy harvesting by taking advantage of temperature differences that are converted into electrical energy using the Seebeck effect. A thermoelectric microconverter for energy scavenging systems that can supply low-power electronics was fabricated using thin films of bismuth and antimony tellurides. Thin films of n-type bismuth (Bi2Te3) and p-type antimony (Sb2Te3) tellurides were obtained by thermal coevaporation with thermoelectric figures of merit (ZT) at room temperature of 0.84 and 0.5 and power factors (PF × 10-3 [W · K-1 ·m-2]) of 4.87 and 2.81, respectively. The films were patterned by photolithography and wet-etching techniques. The goal for this thermoelectric microconverter is to supply individual electroencephalogram (EEG) modules composed by an electrode, processing electronics, and an antenna, where the power consumption ranges from hundredths of microwatts to a few milliwatts. Moreover, these wireless EEG modules allow patients to maintain their mobility while simultaneously having their electrical brain activity monitored. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290158 [article] Thermoelectric microconverter for energy harvesting systems [texte imprimé] / Carmo, Joao Paulo, Auteur ; Goncalves, Luis Miguel, Auteur ; Correia, José Higino, Auteur . - pp. 861 - 867. Génie élecrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 3 (Mars 2010) . - pp. 861 - 867 Mots-clés : Energy harvesting Microgeneration Renewable energy sources Thermoelectric scavenging systems Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a solution for energy microgeneration through energy harvesting by taking advantage of temperature differences that are converted into electrical energy using the Seebeck effect. A thermoelectric microconverter for energy scavenging systems that can supply low-power electronics was fabricated using thin films of bismuth and antimony tellurides. Thin films of n-type bismuth (Bi2Te3) and p-type antimony (Sb2Te3) tellurides were obtained by thermal coevaporation with thermoelectric figures of merit (ZT) at room temperature of 0.84 and 0.5 and power factors (PF × 10-3 [W · K-1 ·m-2]) of 4.87 and 2.81, respectively. The films were patterned by photolithography and wet-etching techniques. The goal for this thermoelectric microconverter is to supply individual electroencephalogram (EEG) modules composed by an electrode, processing electronics, and an antenna, where the power consumption ranges from hundredths of microwatts to a few milliwatts. Moreover, these wireless EEG modules allow patients to maintain their mobility while simultaneously having their electrical brain activity monitored. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5290158

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