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Mobile crowdsensing allows a large number of mobile devices to measure phenomena of common interests and form a body of knowledge about natural and social environments. In order to get location annotations for indoor mobile crowdsensing,…

Cryptography and Security · Computer Science 2017-08-22 Qiang Xu , Rong Zheng , Ezzeldin Tahoun

Both GPS and WiFi based localization have been exploited in recent years, yet most researches focus on localizing at home without environment context. Besides, the near home or workplace area is complex and has little attention in smart…

Networking and Internet Architecture · Computer Science 2017-02-16 Qichuan Yang , Zhiqiang He , Kai Zhao , Tian Gao

Location information is the major component in location based applications. This information is used in different safety and service oriented applications to provide users with services according to their Geolocation. There are many…

Networking and Internet Architecture · Computer Science 2012-01-11 Yasir Malik , Kishwer Abdul Khaliq , Bessam Abdulrazak , Usman Tariq

For decades, the determination of an objects location has been implemented utilizing different technologies. Despite GPS (Global Positioning System) provides a scalable efficient and cost effective location services however the satellite…

Cryptography and Security · Computer Science 2022-10-04 Ali Abdullah S. AlQahtani , Nazim Choudhury

The rapid advancement of connected and autonomous vehicles has driven a growing demand for precise and reliable positioning systems capable of operating in complex environments. Meeting these demands requires an integrated approach that…

With the rapid development of the Internet of Things (IoT) and the rise of 5G communication networks and automatic driving, millimeter wave (mmWave) sensing is emerging and starts impacting our life and workspace. mmWave sensing can sense…

Networking and Internet Architecture · Computer Science 2023-08-08 Jia Zhang , Rui Xi , Yuan He , Yimiao Sun , Xiuzhen Guo , Weiguo Wang , Xin Na , Yunhao Liu , Zhenguo Shi , Tao Gu

The last few decades have witnessed a growing interest in location-based services. Using localization systems based on Radio Frequency (RF) signals has proven its efficacy for both indoor and outdoor applications. However, challenges remain…

Systems and Control · Electrical Eng. & Systems 2020-12-22 Daoud Burghal , Ashwin T. Ravi , Varun Rao , Abdullah A. Alghafis , Andreas F. Molisch

Recommendation systems are present in multiple contexts as e-commerce, websites, and media streaming services. As scenarios get more complex, techniques and tools have to consider a number of variables. When recommending services/products…

Human-Computer Interaction · Computer Science 2022-11-30 Leandro Marega Ferreira Otani , Vagner Figueredo de Santana

Smartphone apps provide a vitally important opportunity for monitoring human mobility, human experience of ubiquitous information aids, and human activity in our increasingly well-instrumented spaces. As wireless data capabilities move…

Computers and Society · Computer Science 2018-06-22 Scott Kirkpatrick , Ron Bekkerman , Adi Zmirli , Francesco Malandrino

WLAN Device-free passive DfP indoor localization is an emerging technology enabling the localization of entities that do not carry any devices nor participate actively in the localization process using the already installed wireless…

Networking and Internet Architecture · Computer Science 2012-02-14 Ahmed E. Kosba , Ahmed Saeed , Moustafa Youssef

This paper presents a multifunctional interdisciplinary framework that makes four scientific contributions towards the development of personalized ambient assisted living, with a specific focus to address the different and dynamic needs of…

Artificial Intelligence · Computer Science 2022-07-20 Nirmalya Thakur , Chia Y. Han

Among many techniques for indoor localization, fingerprinting has been shown to provide a higher accuracy compared to the alternative techniques. Fingerprinting techniques require an initial calibration phase during which site surveyors…

Signal Processing · Electrical Eng. & Systems 2019-02-06 Hamada Rizk , Moustafa Youssef

In daily life, mobile and wearable devices with high computing power, together with anchors deployed in indoor environments, form a common solution for the increasing demands for indoor location-based services. Within the technologies and…

Signal Processing · Electrical Eng. & Systems 2022-11-29 Pavel Pascacio , Joaquín Torres-Sospedra , Sven Casteleyn , Elena Simona Lohan

Detecting the presence of persons and estimating their quantity in an indoor environment has grown in importance recently. For example, the information if a room is unoccupied can be used for automatically switching off the light, air…

Signal Processing · Electrical Eng. & Systems 2021-05-18 Florenc Demrozi , Cristian Turetta , Fabio Chiarani , Philipp H. Kindt , Graziano Pravadelli

The positioning of users using their smartphones represents interesting service for various areas. Position of users can represent valuable information for various service providers. In industry 4.0 smart devices such as smartphone or…

Human-Computer Interaction · Computer Science 2022-09-27 Jan Racko , Juraj Machaj , Peter Brida

Wi-Fi sensing has emerged as a significant technology in wireless sensing and Integrated Sensing and Communication (ISAC), offering benefits such as low cost, high penetration, and enhanced privacy. Currently, it is widely utilized in…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Zijian Zhao

Contact tracing is a very powerful method to implement and enforce social distancing to avoid spreading of infectious diseases. The traditional approach of contact tracing is time consuming, manpower intensive, dangerous and prone to error…

Machine Learning · Computer Science 2020-04-29 Manish Shukla , Rajan M A , Sachin Lodha , Gautam Shroff , Ramesh Raskar

Pandemics often cause dramatic losses of human lives and impact our societies in many aspects such as public health, tourism, and economy. To contain the spread of an epidemic like COVID-19, efficient and effective contact tracing is…

Databases · Computer Science 2023-04-24 Tiantian Liu , Huan Li , Hua Lu , Muhammad Aamir Cheema , Harry Kai-Ho Chan

Future wireless network technology provides automobiles with the connectivity feature to consolidate the concept of vehicular networks that collaborate on conducting cooperative driving tasks. The full potential of connected vehicles, which…

Information Theory · Computer Science 2024-04-08 Hoon Lee , Hong Ki Kim , Seung Hyun Oh , Sang Hyun Lee

The rapid increase in utilization of smart home technologies has introduced new paradigms to ensure the security and privacy of inhabitants. In this study, we propose a novel approach to detect and localize physical intrusions in indoor…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Usama Shakoor , Muhammad Bilal Janjua , Muhammad Sohaib J. Solaija , Huseyin Arslan