Zobrazeno 1 - 10
of 356
pro vyhledávání: '"Jae-young Pyun"'
Autor:
Dae-Ho Kim, Jae-Young Pyun
Publikováno v:
IEEE Access, Vol 12, Pp 168349-168359 (2024)
Because a typical adaptive data rate (ADR) of the long-range wide-area network (LoRaWAN) is designed for static services such as smart grid, monitoring, and metering, its performance is limited in mobile environments for location-based services (LBS)
Externí odkaz:
https://doaj.org/article/6a5218667c124757b90dd950ff8707b4
Autor:
Suhardi Azliy Junoh, Jae-Young Pyun
Publikováno v:
IEEE Access, Vol 12, Pp 30176-30190 (2024)
Location estimation in indoor environments using radiofrequency (RF) has garnered considerable attention in recent years owing to the widespread adoption of mobile devices. RF-based fingerprinting—a direct approach that allows location estimation b
Externí odkaz:
https://doaj.org/article/ddf11f0e3aa34ab194cc7ba52208f1f4
Autor:
Arshad Farhad, Jae-Young Pyun
Publikováno v:
ICT Express, Vol 8, Iss 2, Pp 283-289 (2022)
Resource allocation (e.g., spreading factor and transmit power) to static and mobile Internet of Things (IoT) applications is significantly challenging. To meet the IoT application requirements, LoRaWAN assigns resources to static and mobile end devi
Externí odkaz:
https://doaj.org/article/659120430f514aa398d3925416fa97d1
Autor:
Arshad Farhad, Jae-Young Pyun
Publikováno v:
Sensors, Vol 23, Iss 15, p 6851 (2023)
The Internet of Things is rapidly growing with the demand for low-power, long-range wireless communication technologies. Long Range Wide Area Network (LoRaWAN) is one such technology that has gained significant attention in recent years due to its ab
Externí odkaz:
https://doaj.org/article/dfb0ec7cfe0c4f05b743759eefa5568c
Autor:
Arshad Farhad, Jae-Young Pyun
Publikováno v:
Sensors, Vol 23, Iss 11, p 5034 (2023)
Terahertz (THz) is a promising technology for future wireless communication networks, particularly for 6G and beyond. The ultra-wide THz band, ranging from 0.1 to 10 THz, can potentially address the limited capacity and scarcity of spectrum in curren
Externí odkaz:
https://doaj.org/article/939259bea9cb4dfea3cdbb6a04b4661c
Publikováno v:
IEEE Access, Vol 9, Pp 53343-53357 (2021)
The existing radio frequency-based positioning approaches widely used for indoor localization-based service (LBS) are fingerprinting and trilateration and their integration with the inertial sensors-based dead reckoning system. However, these localiz
Externí odkaz:
https://doaj.org/article/886eb87acda1413297457fb103f3425b
Publikováno v:
IEEE Access, Vol 9, Pp 114179-114191 (2021)
Smartphone-based indoor navigation systems are becoming increasingly popular in a variety of applications. However, localization accuracy has always been a challenge. The Kalman filter (KF) is a well-known estimation in the Bayesian framework, but ca
Externí odkaz:
https://doaj.org/article/453549460628497f835039797f7ee6d7
Autor:
Dae-Ho Kim, Jae-Young Pyun
Publikováno v:
IEEE Access, Vol 9, Pp 102917-102929 (2021)
Some of the researches on indoor positioning have been conducted, but there are still many constraints on indoor positioning approaches. Among these approaches, ultra-wideband (UWB) provides a fast and precise positioning performance but requires a s
Externí odkaz:
https://doaj.org/article/d9bd2492ce374e45a84379b5efa2f30b
Publikováno v:
IEEE Access, Vol 8, Pp 186111-186124 (2020)
The long-range wide area network (LoRaWAN) has recently emerged as one of the most potential technologies for the mobile Internet of Things (IoT) applications. In a LoRaWAN, the network-managed adaptive data rate (ADR) method is responsible for manag
Externí odkaz:
https://doaj.org/article/e6af4f4372644893804687545be56dbc
Publikováno v:
Future Generation Computer Systems. 144:256-270
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::affd8a502a542b91ef63d7166d50d3e1
https://doi.org/10.1016/j.future.2023.02.017
https://doi.org/10.1016/j.future.2023.02.017