Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Ales Povalac"'
Publikováno v:
Sensors, Vol 23, Iss 17, p 7333 (2023)
In the past decade, Long-Range Wire-Area Network (LoRaWAN) has emerged as one of the most widely adopted Low Power Wide Area Network (LPWAN) standards. Significant efforts have been devoted to optimizing the operation of this network. However, resear
Externí odkaz:
https://doaj.org/article/f1f1818ba25a4da7b97d1db1cbd0adcf
Autor:
Edward Kassem, Jiri Blumenstein, Ales Povalac, Josef Vychodil, Martin Pospisil, Roman Marsalek, Jiri Hruska
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2019, Iss 1, Pp 1-16 (2019)
Abstract This paper presents an outdoor long-range (from 315 m up to 5.3 km) fixed channel campaign for both ultra high frequency and super high frequency bands with co-polarized horizontal and vertical antenna configurations. It investigates the cha
Externí odkaz:
https://doaj.org/article/944efce5b6fd411b8f7c6c17a4c7dd61
Publikováno v:
Sensors, Vol 22, Iss 5, p 2042 (2022)
The last decade has transformed wireless access technologies and crystallized a new direction for the internet of things (IoT). The modern low-power wide-area network (LPWAN) technologies have been introduced to deliver connectivity for billions of d
Externí odkaz:
https://doaj.org/article/203d07d1d5af440eb9430bcae97754fa
Publikováno v:
SENSORS. 2022, vol. 22, issue 5, p. 1-22.
Sensors; Volume 22; Issue 5; Pages: 2042
Sensors; Volume 22; Issue 5; Pages: 2042
The last decade has transformed wireless access technologies and crystallized a new direction for the internet of things (IoT). The modern low-power wide-area network (LPWAN) technologies have been introduced to deliver connectivity for billions of d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd3915c69d9554aa2d62302a23ee5158
https://hdl.handle.net/11012/203960
https://hdl.handle.net/11012/203960
Publikováno v:
2021 31st International Conference Radioelektronika (RADIOELEKTRONIKA).
In this paper we present a scalable open-source modular Software Defined Radio (SDR) and propose a method of interference rejection testing in radio frequency identification (RFID) applications. The modular system supports several commercially availa
Autor:
Ales Povalac, Martin Pospisil, Jiri Hruska, Edward Kassem, Josef Vychodil, Roman Marsalek, Jiri Blumenstein
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2019, Iss 1, Pp 1-16 (2019)
EURASIP Journal on Wireless Communications and Networking. 2019, vol. 2019, issue 1, p. 1-16.
EURASIP Journal on Wireless Communications and Networking. 2019, vol. 2019, issue 1, p. 1-16.
This paper presents an outdoor long-range (from 315 m up to 5.3 km) fixed channel campaign for both ultra high frequency and super high frequency bands with co-polarized horizontal and vertical antenna configurations. It investigates the channel char
Autor:
Radovan Juran, Ales Povalac
Publikováno v:
ICUMT
This paper brings an overview of the designed system for monitoring hydrothermal soil CO 2 flux, especially its wireless infrastructure based on a private LoRaWAN network. There are interesting results in terms of LoRaWAN performance in the target lo
Publikováno v:
2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA).
The paper focuses on design and validation of an active RFID platform, devoted to vehicle identification and authorization for the fueling in gas stations. The system is built on ANT communication protocol, which is intended for extremely low power c
Publikováno v:
Advances in Space Research, 62(12)
Developers experience issues with the compatibility, connector size and robustness of electrical interface standards for CubeSats and PocketQubes. There is a need for a lean and robust electrical interface standard for these classes of satellites. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79df0759302e28350f6ed457917ab107
http://resolver.tudelft.nl/uuid:8a841006-1e03-4efd-a26e-ab0510acf6c1
http://resolver.tudelft.nl/uuid:8a841006-1e03-4efd-a26e-ab0510acf6c1
Publikováno v:
Journal of thermal biology. 70
Personal vehicles undergo rapid development in every imaginable way. However, a concept of managing a cabin thermal environment remains unchanged for decades. The only major improvement has been an automatic HVAC controller with one user's input - te