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Related papers: RayLoc: Wireless Indoor Localization via Fully Dif…

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Wi-Fi fingerprinting remains one of the most practical solutions for indoor positioning, however, its performance is often limited by the size and heterogeneity of fingerprint datasets, strong Received Signal Strength Indicator variability,…

Machine Learning · Computer Science 2026-01-12 Miguel Matey-Sanz , Joaquín Torres-Sospedra , Joaquín Huerta , Sergio Trilles

Recognizing user location with WiFi fingerprints is a popular approach for accurate indoor positioning problems. In this work, our goal is to interpret WiFi fingerprints into actual user locations. However, WiFi fingerprint data can be very…

Machine Learning · Computer Science 2021-01-27 Weizhu Qian , Franck Gechter

Signal localization is a spectrum sensing problem that jointly detects the presence of a signal and estimates a center frequency and bandwidth. This is a step beyond most spectrum sensing work which estimates "present" or "not present"…

Signal Processing · Electrical Eng. & Systems 2021-10-05 Nathan West , Tamoghna Roy , Timothy O'Shea

Indoor Wi-Fi positioning remains a challenging problem due to the high sensitivity of radio signals to environmental dynamics, channel propagation characteristics, and hardware heterogeneity. Conventional fingerprinting and model-based…

Machine Learning · Computer Science 2025-10-15 Nayan Sanjay Bhatia , Pranay Kocheta , Russell Elliott , Harikrishna S. Kuttivelil , Katia Obraczka

Communication-aware robot planning requires accurate predictions of wireless network performance. Current approaches rely on channel-level metrics such as received signal strength and signal-to-noise ratio, assuming these translate reliably…

Networking and Internet Architecture · Computer Science 2026-03-11 Nils Jörgensen

Widespread adoption of indoor positioning systems based on WiFi fingerprinting is at present hindered by the large efforts required for measurements collection during the offline phase. Two approaches were recently proposed to address such…

Networking and Internet Architecture · Computer Science 2019-04-03 Giuseppe Caso , Luca De Nardis , Filip Lemic , Vlado Handziski , Adam Wolisz , Maria-Gabriella Di Benedetto

Visual tracking is fragile in some difficult scenarios, for instance, appearance ambiguity and variation, occlusion can easily degrade most of visual trackers to some extent. In this paper, visual tracking is empowered with wireless…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Panwen Hu , Zizheng Yan , Rui Huang , Feng Yin

Long-term camera re-localization is an important task with numerous computer vision and robotics applications. Whilst various outdoor benchmarks exist that target lighting, weather and seasonal changes, far less attention has been paid to…

Computer Vision and Pattern Recognition · Computer Science 2020-08-06 Johanna Wald , Torsten Sattler , Stuart Golodetz , Tommaso Cavallari , Federico Tombari

As indoor applications grow in diversity, wireless sensing, vital in areas like localization and activity recognition, is attracting renewed interest. Indoor wireless sensing relies on signal processing, particularly channel state…

Signal Processing · Electrical Eng. & Systems 2024-01-02 Jiacheng Wang , Hongyang Du , Dusit Niyato , Mu Zhou , Jiawen Kang , H. Vincent Poor

In this paper an improved version of the graded precision localization algorithm GRADELOC, called IGRADELOC is proposed. The performance of GRADELOC is dependent on the regions formed by the overlapping radio ranges of the nodes of the…

Networking and Internet Architecture · Computer Science 2010-09-21 Sanat Sarangi , Subrat Kar

Indoor localization has become an important issue for wireless sensor networks. This paper presents a zoning-based localization technique that uses WiFi signals and works efficiently in indoor environments. The targeted area is composed of…

Machine Learning · Statistics 2020-05-12 Daniel Alshamaa , Farah Chehade , Paul Honeine

Location tracking systems are increasingly becoming the focus of research in the field of Wireless Sensor Network (WSN). Received Signal Strength (RSS)-based localization systems are at the forefront of tracking research applications. Radio…

Networking and Internet Architecture · Computer Science 2013-08-09 Tareq Alhmiedat , Ghassan Samara , Amer O. Abu Salem

This paper proposes Group-In, a wireless scanning system to detect static or mobile people groups in indoor or outdoor environments. Group-In collects only wireless traces from the Bluetooth-enabled mobile devices for group inference. The…

Signal Processing · Electrical Eng. & Systems 2020-06-11 Gürkan Solmaz , Jonathan Fürst , Samet Aytaç , Fang-Jing Wu

Ultra-wideband (UWB) is the state-of-the-art and most popular technology for wireless localization. Nevertheless, precise ranging and localization in non-line-of-sight (NLoS) conditions is still an open research topic. Indeed, multipath…

Machine Learning · Computer Science 2021-05-06 Simone Angarano , Vittorio Mazzia , Francesco Salvetti , Giovanni Fantin , Marcello Chiaberge

With the rising prominence of WiFi in common spaces, efforts have been made in the robotics community to take advantage of this fact by incorporating WiFi signal measurements in indoor SLAM (Simultaneous Localization and Mapping) systems.…

Robotics · Computer Science 2024-03-05 Junseo Kim , Jill Aghyourli Zalat , Yeganeh Bahoo , Sajad Saeedi

ISAC is regarded as a promising technology for next-generation communication systems, enabling simultaneous data transmission and target sensing. Among various tasks in ISAC, scatter sensing plays a crucial role in exploiting the full…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Xudong Zhang , Jingbo Tan , Zhizhen Ren , Jintao Wang , Yihua Ma , Jian Song

Recently, ray tracing has gained renewed interest with the advent of Reflective Intelligent Surfaces (RIS) technology, a key enabler of 6G wireless communications due to its capability of intelligent manipulation of electromagnetic waves.…

Information Theory · Computer Science 2024-11-07 Huiying Yang , Zihan Jin , Chenhao Wu , Rujing Xiong , Robert Caiming Qiu , Zenan Ling

Indoor localization is a supporting technology for a broadening range of pervasive wireless applications. One promis- ing approach is to locate users with radio frequency fingerprints. However, its wide adoption in real-world systems is…

Information Theory · Computer Science 2017-08-04 Xiao-Yang Liu , Shuchin Aeron , Vaneet Aggarwal , Xiaodong Wang , Min-You Wu

Channel State Information (CSI) is widely adopted as a feature for indoor localization. Taking advantage of the abundant information from the CSI, people can be accurately sensed even without equipped devices. However, the positioning error…

Signal Processing · Electrical Eng. & Systems 2023-11-13 Wei-Yu Chung , Li-Hsiang Shen , Kai-Ten Feng , Yuan-Chun Lin , Shih-Cheng Lin , Sheng-Fuh Chang

This paper introduces an indoor localization method using fixed reflector objects within the environment, leveraging a base station (BS) equipped with Angle of Arrival (AoA) and Time of Arrival (ToA) measurement capabilities. The…

Information Theory · Computer Science 2024-06-05 Milad Johnny , Shahrokh Valaee