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Related papers: An EM Body Model for Device-Free Localization with…

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Device-Free Localization (DFL) is a passive radio method able to detect, estimate, and localize targets (e.g., human or other obstacles) that do not need to carry any electronic device. According to the Integrated Sensing And Communication…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Vittorio Rampa , Federica Fieramosca , Stefano Savazzi , Michele D'Amico

The paper proposes a multi-body electromagnetic (EM) model for the quantitative evaluation of the influence of multiple human bodies in the surroundings of a radio link. Modeling of human-induced fading is the key element for the…

Signal Processing · Electrical Eng. & Systems 2022-02-16 Vittorio Rampa , Gian Guido Gentili , Stefano Savazzi , Michele D'Amico

Recently, proposals of human-sensing-based services for cellular and local area networks have brought indoor localization to the attention of several research groups. In response to these stimuli, various Device-Free Localization (DFL)…

Signal Processing · Electrical Eng. & Systems 2024-05-16 Federica Fieramosca , Vittorio Rampa , Michele D'Amico , Stefano Savazzi

Device-free localization (DFL) based on the received signal strength (RSS) measurements of radio frequency (RF)links is the method using RSS variation due to the presence of the target to localize the target without attaching any device.…

Networking and Internet Architecture · Computer Science 2015-05-14 Zhenghuan Wang , Heng Liu , Shengxin Xu , Xiangyuan Bu , Jianping An

Location-based services (LBS) are witnessing a rise in popularity owing to their key features of delivering powerful and personalized digital experiences. The recent developments in wireless sensing techniques make the realization of…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Osamah A. Abdullah , Hayder Al-Hraishawi , Symeon Chatzinotas

RSS-based device-free localization (DFL) monitors changes in the received signal strength (RSS) measured by a network of static wireless nodes to locate people without requiring them to carry or wear any electronic device. Current models…

Networking and Internet Architecture · Computer Science 2013-02-26 Ossi Kaltiokallio , Maurizio Bocca , Neal Patwari

Targeting integrated sensing and communication (ISAC) in future 6G radio access networks (RANs), this paper presents a novel device-free localization (DFL) framework based on distributed antenna networks (DANs). In the proposed approach,…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Minseok Kim , Gesi Teng , Keita Nishi , Togo Ikegami , Masamune Sato

We develop novel methods for device-free localization (DFL) using transceivers in motion. Such localization technologies are useful in various cross-layer applications/protocols including those that are related to security situations where…

Emerging Technologies · Computer Science 2015-11-23 Peter Hillyard , Dustin Maas , Sriram Premnath , Neal Patwari , Sneha Kasera

Electromagnetic (EM) body models predict the impact of human presence and motions on the Radio-Frequency (RF) stray radiation received by wireless devices nearby. These wireless devices may be co-located members of a Wireless Local Area…

Signal Processing · Electrical Eng. & Systems 2023-10-09 Stefano Savazzi , Federica Fieramosca , Sanaz Kianoush , Vittorio Rampa , Michele D'amico

Device-free localization (DFL) methods use measured changes in the received signal strength (RSS) between many pairs of RF nodes to provide location estimates of a person inside the wireless network. Fundamental challenges for RSS DFL…

Networking and Internet Architecture · Computer Science 2019-01-01 Peter Hillyard , Neal Patwari

The widespread usage of wireless local area networks and mobile devices has fostered the interest in localization systems for wireless environments. The majority of research in the context of wireless-based localization systems has focused…

Networking and Internet Architecture · Computer Science 2009-08-07 Moustafa Seifeldin , Moustafa Youssef

Radio Frequency (RF) sensing is attracting interest in research, standardization, and industry, especially for its potential in Internet of Things (IoT) applications. By leveraging the properties of the ElectroMagnetic (EM) waves used in…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Federica Fieramosca , Vittorio Rampa , Michele D'Amico , Stefano Savazzi

We propose a novel distributed expectation maximization (EM) method for non-cooperative RF device localization using a wireless sensor network. We consider the scenario where few or no sensors receive line-of-sight signals from the target.…

Information Theory · Computer Science 2014-08-15 Wenjie Xu , Francois Quitin , Mei Leng , Wee Peng Tay , Sirajudeen G. Razul

Device-free localization (DFL) is an emerging technology for estimating the position of a human or object that is not equipped with any electronic tag, nor participate actively in the localization process. Similar to device-based…

Networking and Internet Architecture · Computer Science 2019-09-10 Osama T. Ibrahim , Walid Gomaa , Moustafa Youssef

This paper empirically investigates the body induced electromagnetic (EM) effects, namely the human body blockage, by conducting indoor measurement campaigns in the unexplored sub-THz W-band (75-110 GHz) and G-band (170-260 GHz). The…

Signal Processing · Electrical Eng. & Systems 2024-06-26 F. Paonessa , G. Virone , S. Kianoush , A. Nordio , S. Savazzi

Device-free localization plays an important role in many ubiquitous applications. Among the different technologies proposed, Wi-Fi based technology using commercial devices has attracted much attention due to its low cost, ease of…

Networking and Internet Architecture · Computer Science 2017-07-25 Hao Wang , Daqing Zhang , Kai Niu , Qin Lv , Yuanhuai Liu , Dan Wu , Ruiyang Gao , Bing Xie

The world is moving towards faster data transformation with more efficient localization of a user being the preliminary requirement. This work investigates the use of a deep learning technique for wireless localization, considering both…

Signal Processing · Electrical Eng. & Systems 2020-03-02 Udita Bhattacherjee , Chethan Kumar Anjinappa , LoyCurtis Smith , Ender Ozturk , Ismail Guvenc

Human localization is gaining momentum in security, healthcare, logistics, and smart spaces applications. While global navigation systems are unreliable indoor, device-free (a.k.a. passive) localization methods that exploit human-induced…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Federica Fieramosca , Anastasia Maiolli , Alexander H. Paulus , Stefano Savazzi , Michele D'Amico

Wireless sensing is a promising technology for future wireless communication networks to realize various application services. Wireless local area network (WLAN)-based localization approaches using channel state information (CSI) have been…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Osamu Muta , Kazuki Noguchi , Junsuke Izumi , Shunsuke Shimizu , Tomoki Murakami , Shinya Otsuki

Device-free localization (DFL) based on pyroelectric infrared (PIR) sensors has attracted much attention due to its advantages of low cost, low power consumption, and privacy protection. However, most existing PIR-based DFL methods require…

Signal Processing · Electrical Eng. & Systems 2020-04-10 Tianye Yang , Peng Guo , Wenyu Liu , Xuefeng Liu , Tianyu Hao
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