English
Related papers

Related papers: Passive Indoor Localization with WiFi Fingerprints

200 papers

Numerous indoor localization techniques have been proposed recently to meet the intensive demand for location based service, and Wi-Fi fingerprint-based approaches are the most popular and inexpensive solutions. Among them, one of the main…

Networking and Internet Architecture · Computer Science 2013-07-25 Zhiping Jiang , Jizhong Zhao , Xiang-Yang Li , Wei Xi , Kun Zhao , Shaojie Tang , Jinsong Han

WiFi fingerprint-based indoor localization has been widely studied, but most existing approaches focus on absolute positioning and rely on dense coordinate annotations, which are costly to obtain at scale. In this paper, we study a…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Tzu-Ti Wei , Po-Cheng Chen , Yu-Chee Tseng , Jen-Jee Chen

In this paper, we propose an indoor localization system employing ordered sequence of access points (APs) based on received signal strength (RSS). Unlike existing indoor localization systems, our approach does not require any time-consuming…

Networking and Internet Architecture · Computer Science 2016-03-23 Ran Liu , Chau Yuen , Jun Zhao , Jindong Guo , Ronghong Mo , Vishesh N Pamadi , Xiang Liu

This paper presents a method for continuous indoor-outdoor environment detection on mobile devices based solely on WiFi fingerprints. Detection of indoor outdoor switching is an important part of identifying a user's context, and it…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Guy Shtar , Bracha Shapira , Lior Rokach

The rise of the Internet of Things (IoT) and mobile internet applications has spurred interest in location-based services (LBS) for commercial, military, and social applications. While the global positioning system (GPS) dominates outdoor…

Machine Learning · Computer Science 2024-02-20 M. W. P. Maduranga

Geographical location solutions have a wide diversity of applications, ranging from emergency services to access to tourist and entertainment services. GPS (Global Positioning System) is the most widely used system for outdoor areas. Since…

Networking and Internet Architecture · Computer Science 2014-02-07 Juan Toloza , Nelson Acosta , Carlos Kornuta

Indoor localization becomes a raising demand in our daily lives. Due to the massive deployment in the indoor environment nowadays, WiFi systems have been applied to high accurate localization recently. Although the traditional model based…

Signal Processing · Electrical Eng. & Systems 2019-02-19 Chenlu Xiang , Zhichao Zhang , Shunqing Zhang , Shugong Xu , Shan Cao , Vincent LAU

WiFi-based device localization is a key enabling technology for smart applications, which has attracted numerous research studies in the past decade. Most of the existing approaches rely on Line-of-Sight (LoS) signals to work, while a…

Emerging Technologies · Computer Science 2025-04-10 Yimiao Sun , Yuan He , Jiacheng Zhang , Xin Na , Yande Chen , Weiguo Wang , Xiuzhen Guo

In this paper, we present an unsupervised learning approach to identify the user points of interest (POI) by exploiting WiFi measurements from smartphone application data. Due to the lack of GPS positioning accuracy in indoor, sheltered,…

Machine Learning · Computer Science 2021-05-11 Sumudu HasalaMarakkalage , Billy Pik Lik Lau , Yuren Zhou , Ran Liu , Chau Yuen , Wei Quin Yow , Keng Hua Chong

With expeditious development of wireless communications, location fingerprinting (LF) has nurtured considerable indoor location based services (ILBSs) in the field of Internet of Things (IoT). For most pattern-matching based LF solutions,…

Signal Processing · Electrical Eng. & Systems 2020-05-13 Luan Chen , Iness Ahriz , Didier Le Ruyet

Due to the growing area of ubiquitous mobile applications, indoor localization of smartphones has become an interesting research topic. Most of the current indoor localization systems rely on intensive site survey to achieve high accuracy.…

Networking and Internet Architecture · Computer Science 2018-04-12 Jose Luis V. Carrera , Zhongliang Zhao , Torsten Braun , Haiyong Luo , Fang Zhao

This paper studies the indoor localisation of WiFi devices based on a commodity chipset and standard channel sounding. First, we present a novel shallow neural network (SNN) in which features are extracted from the channel state information…

Machine Learning · Computer Science 2020-10-20 Peizheng Li , Han Cui , Aftab Khan , Usman Raza , Robert Piechocki , Angela Doufexi , Tim Farnham

In this paper we investigate the problem of localizing a mobile device based on readings from its embedded sensors utilizing machine learning methodologies. We consider a real-world environment, collect a large dataset of 3110 datapoints,…

Machine Learning · Computer Science 2017-06-21 David Mascharka , Eric Manley

Human identification plays an important role in human-computer interaction. There have been numerous methods proposed for human identification (e.g., face recognition, gait recognition, fingerprint identification, etc.). While these methods…

Human-Computer Interaction · Computer Science 2016-08-12 Tong Xin , Bin Guo , Zhu Wang , Mingyang Li , Zhiwen Yu

Location awareness in wireless networks may enable many applications such as emergency services, autonomous driving and geographic routing. Although there are many available positioning techniques, none of them is adapted to work with…

Information Theory · Computer Science 2015-09-02 Vladimir Savic , Erik G. Larsson

With the recent development in mobile computing devices and as the ubiquitous deployment of access points(APs) of Wireless Local Area Networks(WLANs), WLAN based indoor localization systems(WILSs) are of mounting concentration and are…

Machine Learning · Statistics 2017-04-13 Caifa Zhou , Lin Ma , Xuezhi Tan

Location information is essential to varieties of applications. It is one of the most important context to be detected by wireless distributed sensors, which is a key technology in Internet-of-Things. Fingerprint-based methods, which…

Signal Processing · Electrical Eng. & Systems 2018-04-09 Tao Yu , Azril Haniz , Kentaro Sano , Ryosuke Iwata , Ryouta Kosaka , Yusuke Kuki , Gia Khanh Tran , Jun-Ichi Takada , Kei Sakaguchi

In this paper, we introduce an uplink optical wireless positioning system for indoor applications. This technique uses fingerprints based on the indoor optical wireless channel impulse response for localization. Exploiting the line of sight…

Information Theory · Computer Science 2020-05-06 Hamid Hosseinianfar , Maite Brandt-Pearce

WiFi-based indoor localization has received extensive attentions from both academia and industry. However, the overhead of constructing and maintaining the WiFi fingerprint map remains a bottleneck for the wide-deployment of WiFi-based…

Signal Processing · Electrical Eng. & Systems 2019-11-28 Shilong Dai , Liang He , Xuebo Zhang

Recently, location-based services (LBS) have steered attention to indoor positioning systems (IPS). WLAN-based IPSs relying on received signal strength (RSS) measurements such as fingerprinting are gaining popularity due to proven high…

Networking and Internet Architecture · Computer Science 2019-07-02 Erick Schmidt , David Akopian