Results 61 to 70 of about 27,428,987 (129)

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, Aisha Al-Sadi, Fida’a Al-Quran, Abdulsalam Alsmady   +3 more
doaj   +1 more source

Snap4city Platform: Semantic to Improve Location Based Services [PDF]

, 2019
Location-based Services are becoming crucial in the most recent smart city scenarios, when, according to scholars and urban planners, one of the main objectives is to improve the living conditions of citizens who act and move within an urban or regional ...
Pierfrancesco Bellini, Paola Zamperlin, Nesi, Paolo, Bellini, Pierfrancesco, Michela Paolucci, Paolo Nesi, Soderi, Mirco, Mirco Soderi, Paolucci, Michela, Zamperlin, Paola   +9 more
core   +1 more source

Progress on intelligent metasurfaces for signal relay, transmitter, and processor

Light: Science & Applications
Pursuing higher data rate with limited spectral resources is a longstanding topic that has triggered the fast growth of modern wireless communication techniques.
Chao Qian, Longwei Tian, Hongsheng Chen
doaj   +1 more source

A Trajectory and Orientation Reconstruction Method for Moving Objects Based on a Moving Monocular Camera

Sensors, 2015
We propose a monocular trajectory intersection method to solve the problem that a monocular moving camera cannot be used for three-dimensional reconstruction of a moving object point.
Jian Zhou, Yang Shang, Xiaohu Zhang, Wenxian Yu   +3 more
doaj   +1 more source

SGO: Semantic Group Obfuscation for Location-Based Services in VANETS

Sensors
Location privacy is an important parameter to be addressed in the case of vehicular ad hoc networks. Each vehicle frequently communicates with location-based services to find the nearest location of interest.
Ikram Ullah, Munam Ali Shah
doaj   +1 more source

WiKaF - A knowledge-based Kalman-Filter for pedestrian positioning

, 2007
The precise, reliable and preferably everywhere available positioning of mobile users is a substantial precondition for the provision of location and situation based information by Location Based Services.
Reiterer, Alexander, Thienelt, Michael, Eichhorn, Andreas   +2 more
core  

Location Based Services

International Research Journal on Advanced Engineering Hub (IRJAEH)
Location-Based Services (LBS) leverage modern mobile and cloud technologies to deliver relevant information and services based on a user’s geographical position. These systems help users easily find nearby services such as public utilities, thereby improving convenience, safety, and decision-making in everyday life.
null Dharani K, null Tharun Kumar S, null Mrs.B.Bharathi, null Arjun V   +3 more
openaire   +2 more sources

Prediction Models to Enhance Location Based Services in Urban Areas [PDF]

, 2020
Mobility trace data typically includes historical information of the user's visited locations, which presents the visited places' detailed context and corresponding time-stamps.
Karimzadeh, Mostafa
core  

Multi-Objective Resource Allocation in a NOMA Cognitive Radio Network With a Practical Non-Linear Energy Harvesting Model

IEEE Access, 2018
Cognitive radio and non-orthogonal multiple access are promising for alleviating the severe spectral scarcity problem encountered by the next generation wireless communication systems.
Yuhao Wang, Yuhang Wu, Fuhui Zhou, Zheng Chu, Yongpeng Wu, Fei Yuan   +5 more
doaj   +1 more source

Localization to Enhance Security and Services in Wi-Fi Networks under Privacy Constraints [PDF]

, 2009
Developments of seamless mobile services are faced with two broad challenges, systems security and user privacy - access to wireless systems is highly insecure due to the lack of physical boundaries and, secondly, location based services (LBS) could be ...
Mitchell, Keith, Gareth Ayres, Mehmood, Rashid, Ayres, Gareth, Race, Nicholas J. P., Keith Mitchell, Rashid Mehmood, Race, Nicholas J.P., Nicholas J. P. Race   +8 more
core   +1 more source