Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Yungeun Kim"'
Publikováno v:
Sensors, Vol 9, Iss 12, Pp 9925-9944 (2009)
Research on acoustic source localization is actively being conducted to enhance accuracy and coverage. However, the performance is inherently limited due to the use of expensive sensor nodes and inefficient communication methods. This paper proposes
Externí odkaz:
https://doaj.org/article/5aae88e8f5da4e98a0a13103c7aad140
Autor:
Yungeun Kim, Ayushi Tripathi, Young Wan Kwon, Yeran Lee, Juhyung Park, Miso Kim, Jeonghun Kwak, Han Young Woo
Publikováno v:
ACS Applied Materials & Interfaces. 12:1110-1119
A series of ionically interconnected polypyrrole (PPy) films are fabricated through two-monomer-connected-precursor polymerization by varying diacid linkers, thereby significantly influencing the crystalline morphology and electrical properties. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4751c73dc0d902f3b2535c5468f3a8f1
https://doi.org/10.1021/acsami.9b17009
https://doi.org/10.1021/acsami.9b17009
Publikováno v:
Pervasive and Mobile Computing. 40:397-413
Although Wi-Fi fingerprinting is a promising solution for indoor localization, its widespread use is limited due to the necessity of time-consuming site surveys. Recently, active research has been conducted to reduce site-survey costs with participat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17b0a164b64c4bea6ddaa86c0b9cc458
https://doi.org/10.1016/j.pmcj.2017.04.001
https://doi.org/10.1016/j.pmcj.2017.04.001
Publikováno v:
Pervasive and Mobile Computing. 30:45-57
Wi-Fi radio signals are commonly used to localize mobile users indoors. The use of a dual-band channel (2.4 GHz and 5 GHz) in mobile devices, however, significantly affects the accuracy of localization, because scanning all the channels requires a re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::796a88402c773386112dbb472c2b7fe7
https://doi.org/10.1016/j.pmcj.2015.10.017
https://doi.org/10.1016/j.pmcj.2015.10.017
Publikováno v:
IEEE Pervasive Computing. 15:58-67
Although Wi-Fi fingerprinting systems enable location-based services in indoor environments, the service coverage isn't scalable due to costly site surveys. Mobile crowdsensing (MCS), where casual smartphone users conduct the site survey, has recentl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::694f360acb76152b07f8c2788b4f18a5
https://doi.org/10.1109/mprv.2016.50
https://doi.org/10.1109/mprv.2016.50
Publikováno v:
ACM Transactions on Embedded Computing Systems. 15:1-17
Energy consumption in mobile devices is an important issue for both system developers and users. Users are aware of the battery-related information of their mobile devices and tend to take appropriate actions to increase the battery life. In this art
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ded674b1ab266db60d458bbfd6fdfc4
https://doi.org/10.1145/2875423
https://doi.org/10.1145/2875423
Publikováno v:
IEEE Transactions on Mobile Computing. 14:1231-1244
Location estimation methods using radio fingerprint have been studied extensively. The approach constructs a database that associates ambient radio signals with physical locations in training phase, and then estimates the location by finding the most
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38f147bb4c50f79be91a6836add547ae
https://doi.org/10.1109/tmc.2014.2345654
https://doi.org/10.1109/tmc.2014.2345654
Publikováno v:
Computer Communications. 60:86-96
Localization based on Wi-Fi fingerprinting (WF) necessitates training the radio signals of target areas. Manual training enables good accuracy but requires service providers to conduct thorough site surveys to collect the radio signals of target area
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7aebedb4bbd444fe2924f551767ce57
https://doi.org/10.1016/j.comcom.2014.11.006
https://doi.org/10.1016/j.comcom.2014.11.006
Publikováno v:
IEEE Pervasive Computing. 14:62-69
Providing indoor location-based services is challenging due to the vast coverage required and the scalability of positioning systems. This article proposes a participatory service platform for indoor location-based services to solve such problems. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::168fa17fb5620bc18b2149952b402e31
https://doi.org/10.1109/mprv.2015.1
https://doi.org/10.1109/mprv.2015.1
Publikováno v:
IEEE Transactions on Mobile Computing. 13:1694-1706
Smartphones enable the collection of mobility data using various sensors. The key challenge in the collection of continuous data is to overcome the limited battery capacity of the device. While extensive research has been conducted to solve energy is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0e6479dba7039dacc54f51eba02307e
https://doi.org/10.1109/tmc.2013.151
https://doi.org/10.1109/tmc.2013.151