Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Tero Kiuru"'
Publikováno v:
Sensors, Vol 20, Iss 22, p 6505 (2020)
Remote monitoring of vital signs for studying sleep is a user-friendly alternative to monitoring with sensors attached to the skin. For instance, remote monitoring can allow unconstrained movement during sleep, whereas detectors requiring a physical
Externí odkaz:
https://doaj.org/article/bdc647a3efb6406099f0ef84a3cfbafd
Autor:
Tero Kiuru, Mikko Metso, Mikko Utriainen, Kirsimarja Metsävainio, Hanna-Mari Jauhonen, Riitta Rajala, Reeta Savenius, Mirja Ström, Tiia-Nina Jylhä, Reijo Juntunen, Juha Sylberg
Publikováno v:
Cogent Engineering, Vol 5, Iss 1 (2018)
We present clinical investigation results of a novel, wearable, orientation and mobility assistive device that uses radar technology. The radar device sends radio signals, detects objects in the environment, and conveys this information to the users
Externí odkaz:
https://doaj.org/article/bd5be0b607be4023bebe03f58ee74812
Autor:
Jie Yang, Baibhab Chatterjee, Mohammad Abu Khater, Mattias Thorsell, Sten E. Gunnarsson, Tero Kiuru, Brian Edward, Shreyas Sen
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. :1-15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd1a16c2c1d001dfd9187dafbe2ea9fc
https://doi.org/10.1109/tmtt.2023.3248957
https://doi.org/10.1109/tmtt.2023.3248957
Publikováno v:
Jardak, S, Alouini, M S, Kiuru, T, Metso, M & Ahmed, S 2019, ' Compact mmWave FMCW radar : Implementation and performance analysis ', IEEE Aerospace and Electronic Systems Magazine, vol. 34, no. 2, 8736181, pp. 36-44 . https://doi.org/10.1109/MAES.2019.180130
Due to an increasing demand in channel capacity and bandwidth, there has been a growing interest in the millimeter wave (mmWave) spectrum [1]-[3]. Many researchers overcame the challenges of implementing extremely high frequency systems and secured l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::634ee2255b96fb62331d0b278718c354
https://doi.org/10.1109/maes.2019.180130
https://doi.org/10.1109/maes.2019.180130
Autor:
Kari Stadius, Andreas Hammer, Mikko Varonen, Henrik Forsten, Kaisa Ryynanen, Tero Kiuru, Ville Viikari, Jussi Ryynanen
Publikováno v:
ISCAS
Ryynänen, K, Stadius, K, Hammer, A, Varonen, M, Forsten, H, Kiuru, T, Viikari, V & Ryynänen, J 2021, A compact low-power 140-GHz low-noise amplifier with 19-dB gain and 7-dB NF . in 2021 IEEE International Symposium on Circuits and Systems, ISCAS 2021-Proceedings ., 9401529, IEEE Institute of Electrical and Electronic Engineers, IEEE International Symposium on Circuits and Systems (ISCAS), vol. 2021-May, 53rd IEEE International Symposium on Circuits and Systems, ISCAS 2021, Daegu, Korea, Republic of, 22/05/21 . https://doi.org/10.1109/ISCAS51556.2021.9401529
Ryynänen, K, Stadius, K, Hammer, A, Varonen, M, Forsten, H, Kiuru, T, Viikari, V & Ryynänen, J 2021, A compact low-power 140-GHz low-noise amplifier with 19-dB gain and 7-dB NF . in 2021 IEEE International Symposium on Circuits and Systems, ISCAS 2021-Proceedings ., 9401529, IEEE Institute of Electrical and Electronic Engineers, IEEE International Symposium on Circuits and Systems (ISCAS), vol. 2021-May, 53rd IEEE International Symposium on Circuits and Systems, ISCAS 2021, Daegu, Korea, Republic of, 22/05/21 . https://doi.org/10.1109/ISCAS51556.2021.9401529
Funding Information: This research has been supported by Academy of Finland, grant number 310880. Publisher Copyright: © 2021 IEEE This paper describes the design of a 140-GHz low-noise amplifier in 130-nm SiGe BiCMOS technology. The circuit is aime
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd0751bc7a768a4c7c154fda07179e7b
https://cris.vtt.fi/en/publications/7b90c9c4-8cad-4bb5-82d9-4c116f638fbb
https://cris.vtt.fi/en/publications/7b90c9c4-8cad-4bb5-82d9-4c116f638fbb
Publikováno v:
Forsten, H, Kiuru, T, Hirvonen, M, Varonen, M & Kaynak, M 2020, ' Scalable 60 GHz FMCW Frequency-Division Multiplexing MIMO Radar ', IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 7, 9044629, pp. 2845-2855 . https://doi.org/10.1109/TMTT.2020.2980521
In this article, a 60-GHz frequency-modulated continuous-wave (FMCW) multiple-input multiple-output (MIMO) radar system using frequency-division multiplexing for TX signal separation is presented. Four-channel transmitter and receiver chips were desi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::693103759185e96db01d84d86697c59f
https://cris.vtt.fi/en/publications/cefb3feb-4827-4744-91dc-eae13f81db34
https://cris.vtt.fi/en/publications/cefb3feb-4827-4744-91dc-eae13f81db34
Autor:
Goutam Chattopadhyay, Austin J. Minnich, Choonsup Lee, Jose V. Siles, Theodore Reck, Robert Lin, Imran Mehdi, Tero Kiuru, Erich Schlecht
Publikováno v:
Kiuru, T, Chattopadhyay, G, Reck, T J, Minnich, A J, Lin, R, Schlecht, E, Siles, J V, Lee, C & Mehdi, I 2016, ' Thermal Characterization of Substrate Options for High-Power THz Multipliers over a Broad Temperature Range ', IEEE Transactions on Terahertz Science and Technology, vol. 6, no. 2, 7379011, pp. 328-335 . https://doi.org/10.1109/TTHZ.2015.2511746
This paper presents thermal characterization results for three high-power THz Schottky frequency multipliers in the temperature range of 20–380 K. All measured multipliers have different substrates: a 5- $\mu\hbox{m}$ -thick GaAs membrane, a 40- $\
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fa7875476801671842786a136c960be
https://cris.vtt.fi/en/publications/c436cb28-9517-44d0-ad2d-a9080296314a
https://cris.vtt.fi/en/publications/c436cb28-9517-44d0-ad2d-a9080296314a
Autor:
Reijo Juntunen, Kirsimarja Metsävainio, Juha Sylberg, Reeta Savenius, Mirja Ström, Hanna Mari Jauhonen, Tero Kiuru, Riitta Rajala, Mikko Metso, Tiia Nina Jylhä, Mikko Utriainen
Publikováno v:
Kiuru, T, Metso, M, Utriainen, M, Metsävainio, K, Jauhonen, H M, Rajala, R, Savenius, R, Ström, M, Jylhä, T N, Juntunen, R & Sylberg, J 2018, ' Assistive device for orientation and mobility of the visually impaired based on millimeter wave radar technology—Clinical investigation results ', Cogent Engineering, vol. 5, no. 1, 1450322 . https://doi.org/10.1080/23311916.2018.1450322
Cogent Engineering, Vol 5, Iss 1 (2018)
Cogent Engineering, Vol 5, Iss 1 (2018)
We present clinical investigation results of a novel, wearable, orientation and mobility assistive device that uses radar technology. The radar device sends radio signals, detects objects in the environment, and conveys this information to the users
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b1905c2745f1d0cbbe77bf1382242ad
https://cris.vtt.fi/en/publications/a43f6766-1c59-4fc7-869f-e21d73a19261
https://cris.vtt.fi/en/publications/a43f6766-1c59-4fc7-869f-e21d73a19261
Publikováno v:
Dahlberg, K, Kiuru, T, Mallat, J, Närhi, T & Räisänen, A V 2014, ' Mixer-based characterization of millimeter-wave and terahertz single-anode and antiparallel schottky diodes ', IEEE Transactions on Terahertz Science and Technology, vol. 4, no. 5, pp. 552-559 . https://doi.org/10.1109/TTHZ.2014.2330205
This paper presents an alternative characterization method to the traditional characterization methods of the millimeter-wave and terahertz Schottky diodes. The diodes can be characterized based on the mixer operation (conversion loss and noise tempe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e513505908448294092c755dd918610
https://doi.org/10.1109/TTHZ.2014.2330205
https://doi.org/10.1109/TTHZ.2014.2330205
Autor:
Mohammad Arif Saber, Antti V. Räisänen, Tero Kiuru, Subash Khanal, Aik-Yean Tang, Jan Stake, Tapani Narhi, Juha Mallat
Publikováno v:
Khanal, S, Kiuru, T, Tang, A-Y, Saber, M A, Mallat, J, Stake, J, Närhi, T & Räisänen, A V 2014, ' Thermal characterization of THz schottky diodes using transient current measurements ', IEEE Transactions on Terahertz Science and Technology, vol. 4, no. 2, pp. 267-276 . https://doi.org/10.1109/TTHZ.2014.2303982
This paper presents a new method for thermal characterization of THz Schottky diodes. The method is based on the transient current behavior, and it enables the extraction of thermal resistances, thermal time-constants, and peak junction temperatures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec0f5608e81359899be646b712e4d438
https://doi.org/10.1109/TTHZ.2014.2303982
https://doi.org/10.1109/TTHZ.2014.2303982