Short range electromagnetic interface using 0.35 m CMOS blocks for temperature monitoring in isolated areas

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dc.contributor.authorŠotner, Romancs
dc.contributor.authorJeřábek, Jancs
dc.contributor.authorPolák, Ladislavcs
dc.contributor.authorProkop, Romancs
dc.contributor.authorAyten, Umut E.cs
dc.contributor.authorJaikla, Winaics
dc.coverage.issue11cs
dc.coverage.volume41cs
dc.date.accessioned2022-04-25T14:56:45Z
dc.date.available2022-04-25T14:56:45Z
dc.date.issued2022-02-05cs
dc.description.abstractIntroduction: Infra-red (IR) and visible light (VL) based systems developed for transmission of information about physical quantities (e.g. humidity, temperature) out from closed areas, cannot be effectively employed in case of specific conditions in a targeted environment (because of fog or vapor for example). Objectives: In this work, we introduce a concept of wireless short-range transmitter and receiver to sense physical quantities, for instance temperature, with slow variation. The proposed concept is able to transmit analog-based information from isolated environments (e.g. aquariums or environments for plant growing) with high immunity against vapor and fog that limits standard optical (laser, IR band) methods of communication. Methods: In this work, a new concept of short range radiofrequency (RF) communication device consisting of transmitting and receiving parts build from active devices fabricated in 0.35 m I3T25 3.3 V CMOS process and ferrite antennas is selected. RF part uses medium-wave propagation within 10 mm distance at frequency 700 kHz. Such an approach offers minimal path loss of the radiated energy of a signal and low-gain amplification required for restoration of similar levels as available at the transmitting side. Results: The processing of base-band signals of simple (sine wave) and complex (electrocardiogram) character was verified experimentally through the system. Application example of temperature monitoring in a closed environment, based on a temperature sensor (thermistor), verifies operationability in temperature range from 10 °C up to 50 °C. Conclusion: Compared to state-of-the-art solution, the presented concept has several advantages, for instance: less complexity; using of simpler type of modulation and demodulation; lower power consumption and significantly reduced issues caused by an environment with special transmission conditions (e.g. fog and vapor). The obtained results are in good agreement with expectations. Among others, the presented system brings beneficial performances for similar applications targeting on monitoring of low-frequency or slowly varying signalsen
dc.formattextcs
dc.format.extent49-62cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationJournal of Advanced Research. 2022, vol. 41, issue 11, p. 49-62.en
dc.identifier.doi10.1016/j.jare.2022.01.005cs
dc.identifier.issn2090-1232cs
dc.identifier.other177498cs
dc.identifier.urihttp://hdl.handle.net/11012/204107
dc.language.isoencs
dc.publisherElseviercs
dc.relation.ispartofJournal of Advanced Researchcs
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S2090123222000182cs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2090-1232/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectActive elementsen
dc.subjectAmplitude modulationen
dc.subjectASICen
dc.subjectCMOSen
dc.subjectElectronic adjustmenten
dc.subjectMedium radiofrequency waveen
dc.subjectTemperature monitoringen
dc.titleShort range electromagnetic interface using 0.35 m CMOS blocks for temperature monitoring in isolated areasen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionacceptedVersionen
sync.item.dbidVAV-177498en
sync.item.dbtypeVAVen
sync.item.insts2022.11.18 12:52:32en
sync.item.modts2022.11.18 12:14:20en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav radioelektronikycs
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav telekomunikacícs
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav mikroelektronikycs
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