Results 41 to 50 of about 423,899 (148)
Sensors, 2020 Geographical social networks (GSN) is an emerging research area. For example, Foursquare, Yelp, and WeChat are all well-known service providers in this field. These applications are also known as location-based services (LBS).
Tu-Liang Lin +2 more
doaj +1 more source
SensorsIn this study, several 3-dimensional (3-D) parameter estimation and localization algorithms for wireless near-field (NF) sources are proposed employing the uniform circular array (UCA) structure. In the single-base-station case, the algebraic relation is
Zhijun Qin +6 more
doaj +1 more source
Providing Location-Aware Location Privacy Protection for Mobile Location-Based Services
Tsinghua Science and Technology, 2016 Location privacy has been a serious concern for mobile users who use location-based services provided by third-party providers via mobile networks. Recently, there have been tremendous efforts on developing new anonymity or obfuscation techniques to ...
Yu Wang, Dingbang Xu, Fan Li
doaj +1 more source
Noise-Resilient Acoustic Low Energy Beacon for Proximity-Based Indoor Positioning Systems
Sensors, 2021 Proximity-Based Indoor Positioning Systems (PIPSs) are a simple to install alternative in large facilities. Besides, these systems have a reduced computational cost on the mobile device of those users who do not continuously demand a high location ...
Teodoro Aguilera +5 more
doaj +1 more source
, 2006 Location-based services are expected to play an integral role in the mobile-commerce domain. Mobile network operators and service providers have the opportunity to add value and create additional revenue streams through a variety of personalized services based on location of individual wireless users.
Ramaprasad Unni, Robert Harmon
+5 more sources
NON-TAYLOR SERIES BASED POSITIONING METHOD FOR LOCATION BASED SERVICES
Journal of ICT, 2008 Location Based Services (LBS) has gained increasing popularity in major cities. Due to blocking from man-made structures, the existing Global Positioning System (GPS) could not satisfy LBS applications, especially in street canyon and indoor surroundings.
Tan Kim Geok +2 more
doaj +3 more sources
Improving YOLOv8 with parallel frequency channel attention for taxi passengers
IET Image ProcessingDetecting taxi passengers is crucial for assessing taxi driver behavior, which plays a significant role in regulating the taxi industry. Despite the advancements in deep learning, object detection algorithms have not been extensively applied to this ...
Qi Gao, Di He, Guilin Xu
doaj +1 more source
A Novel Location Privacy-Preserving Approach Based on Blockchain
Sensors, 2020 Location-based services (LBS) bring convenience to people’s lives but are also accompanied with privacy leakages. To protect the privacy of LBS users, many location privacy protection algorithms were proposed.
Ying Qiu, Yi Liu, Xuan Li, Jiahui Chen
doaj +1 more source
Location Privacy Preservation for Mobile Users in Location-Based Services
IEEE Access, 2019 Because location-based cyber services are increasingly found in mobile applications (e.g., social networking and maps), user location privacy preservation is essential and remains one of the several ongoing research challenges.
Gang Sun +6 more
doaj +1 more source
Distributed and adaptive location identification system for mobile devices
EURASIP Journal on Advances in Signal Processing, 2018 Indoor location identification and navigation need to be as simple, seamless, and ubiquitous as its outdoor GPS-based counterpart is. It would be of great convenience to the mobile user to be able to continue navigating seamlessly as he or she moves from
Fahed Awad +3 more
doaj +1 more source