Zobrazeno 1 - 10
of 180
pro vyhledávání: '"round trip time (RTT)"'
Autor:
Rebal Jurdi, Hao Chen, Yuming Zhu, Boon Loong Ng, Neha Dawar, Charlie Zhang, Johnny Kyu-Hui Han
Publikováno v:
IEEE Access, Vol 12, Pp 41084-41101 (2024)
Accurate indoor positioning is critical to a variety of use cases including tracking, proximity, mapping, and navigation. Existing positioning methods are either inaccurate (e.g. RSSI-based ranging), impractical (e.g. fingerprinting), or uncommon (e.
Externí odkaz:
https://doaj.org/article/5c460c6471a74f799aafe2e20a75a036
Publikováno v:
Geo-spatial Information Science, Vol 26, Iss 3, Pp 480-495 (2023)
ABSTRACTThe indoor positioning system is now an important technique as part of the Internet-of-Things (IoT) ecosystem. Among indoor positioning techniques, multiple Wi-Fi Access Points (APs)-based positioning systems have been researched a lot. There
Externí odkaz:
https://doaj.org/article/3cf8eaf2d5a143b786b172babdb0c5fb
Autor:
Brosnan Yuen, Yifeng Bie, Duncan Cairns, Geoffrey Harper, Jason Xu, Charles Chang, Xiaodai Dong, Tao Lu
Publikováno v:
IEEE Access, Vol 10, Pp 91027-91044 (2022)
Previous contact tracing systems required the users to perform many manual actions, such as installing smartphone applications, joining wireless networks, or carrying custom user devices. This increases the barrier to entry and lowers the user adopti
Externí odkaz:
https://doaj.org/article/9b1b49e3dea84216b00b2633371ed795
Autor:
Jose Antonio Lopez-Pastor, Pedro Arques-Lara, Juan Jose Franco-Penaranda, Antonio Javier Garcia-Sanchez, Jose Luis Gomez-Tornero
Publikováno v:
IEEE Access, Vol 9, Pp 34755-34766 (2021)
The purpose of this work is to implement a novel active radar system for single access point two-dimensional localization system based on 802.11 wireless local-area networks (WLAN). The active radar employes the 802.11 Fine Time Measurement (FTM) Rou
Externí odkaz:
https://doaj.org/article/e1bebaca4b194a25a660d30d2382d80c
Publikováno v:
IEEE Open Journal of Signal Processing, Vol 1, Pp 14-27 (2020)
In this paper, we analyze the two-node joint clock synchronization and ranging problem. We focus on the case of nodes that employ time-to-digital converters to determine the range between them precisely. This specific design choice leads to a sawtoot
Externí odkaz:
https://doaj.org/article/9775535fe9ee43efb6d6f3ac046ac57f
Autor:
Manos Orfanos, Harris Perakis, Vassilis Gikas, Günther Retscher, Thanassis Mpimis, Ioanna Spyropoulou, Vasileia Papathanasopoulou
Publikováno v:
Sensors, Vol 23, Iss 5, p 2829 (2023)
The rapid growth in the technological advancements of the smartphone industry has classified contemporary smartphones as a low-cost and high quality indoor positioning tools requiring no additional infrastructure or equipment. In recent years, the fi
Externí odkaz:
https://doaj.org/article/d3c1dd3abef64ea1a92d5b084bf0eadd
Akademický článek
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Publikováno v:
IEEE Access, Vol 7, Pp 176767-176781 (2019)
Real-time locating and tracking Technology plays a significant role in location-based IoT applications. With the extensive installation of WiFi access points, the WiFi based indoor positioning approach has become one of the most widely used location
Externí odkaz:
https://doaj.org/article/e3629c1f08b340d1a7f44d3e4f8ab05d
Akademický článek
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Akademický článek
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