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The development of highly accurate deep learning methods for indoor localization is often hindered by the unavailability of sufficient data measurements in the desired environment to perform model training. To overcome the challenge of…

Signal Processing · Electrical Eng. & Systems 2021-08-06 Mohamed I. AlHajri , Raed M. Shubair , Marwa Chafii

Precise indoor localization is one of the key requirements for fifth Generation (5G) and beyond, concerning various wireless communication systems, whose applications span different vertical sectors. Although many highly accurate methods…

Signal Processing · Electrical Eng. & Systems 2021-01-27 Chenlu Xiang , Shunqing Zhang , Shugong Xu , George C. Alexandropoulos

An increasingly important requirement for many novel applications is sensing the positions of people, equipment, etc. GPS technology has proven itself as a successfull technology for positioning in outdoor environments but indoor no…

Networking and Internet Architecture · Computer Science 2010-04-28 Mikkel Baun Kjærgaard

Indoor navigation is a foundational technology to assist the tracking and localization of humans, autonomous vehicles, drones, and robots in indoor spaces. Due to the lack of penetration of GPS signals in buildings, subterranean locales,…

Machine Learning · Computer Science 2024-08-12 Sudeep Pasricha

Smartphones have become a popular tool for indoor localization and position estimation of users. Existing solutions mainly employ Wi-Fi, RFID, and magnetic sensing techniques to track movements in crowded venues. These are highly sensitive…

Signal Processing · Electrical Eng. & Systems 2021-07-16 Amir Ivry , Elad Fisher , Roger Alimi , Idan Mosseri , Kanna Nahir

Indoor localization systems have become increasingly important in a wide range of applications, including industry, security, logistics, and emergency services. However, the growing demand for accurate localization has heightened concerns…

Artificial Intelligence · Computer Science 2023-06-06 Mohamed Mohsen , Hamada Rizk , Moustafa Youssef

In this paper, we propose a robust and parsimonious approach using Deep Convolutional Neural Network (DCNN) to recognize and interpret interior space. DCNN has achieved incredible success in object and scene recognition. In this study we…

Computer Vision and Pattern Recognition · Computer Science 2016-10-11 Fan Zhang , Fabio Duarte , Ruixian Ma , Dimitrios Milioris , Hui Lin , Carlo Ratti

Massive MIMO basestations, operating with frequency-division duplexing (FDD), require the users to feedback their channel state information (CSI) in order to design the precoding matrices. Given the powerful capabilities of deep neural…

Information Theory · Computer Science 2024-01-17 Yu Zhang , Ahmed Alkhateeb

Intrusion detection into computer networks has become one of the most important issues in cybersecurity. Attackers keep on researching and coding to discover new vulnerabilities to penetrate information security system. In consequence…

Cryptography and Security · Computer Science 2020-12-17 Sergio Hidalgo-Espinoza , Kevin Chamorro-Cupueran , Oscar Chang-Tortolero

Indoor localization using deep learning (DL) has demonstrated strong accuracy in mapping Wi-Fi RSS fingerprints to physical locations; however, most existing DL frameworks function as black-box models, offering limited insight into how…

Machine Learning · Computer Science 2025-06-19 Danish Gufran , Sudeep Pasricha

Timely and accurate knowledge of channel state information (CSI) is necessary to support scheduling operations at both physical and network layers. In order to support pilot-free channel estimation in cell sleeping scenarios, we propose to…

Information Theory · Computer Science 2018-12-05 Ruichen Deng , Zhiyuan Jiang , Sheng Zhou , Shuguang Cui , Zhisheng Niu

The great potentials of massive Multiple-Input Multiple-Output (MIMO) in Frequency Division Duplex (FDD) mode can be fully exploited when the downlink Channel State Information (CSI) is available at base stations. However, the accurate CSI…

Information Theory · Computer Science 2024-10-30 Jiajia Guo , Tong Chen , Shi Jin , Geoffrey Ye Li , Xin Wang , Xiaolin Hou

Artificial intelligence (AI) based downlink channel state information (CSI) prediction for frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems has attracted growing attention recently. However, existing…

Information Theory · Computer Science 2020-09-08 Yuwen Yang , Feifei Gao , Zhimeng Zhong , Bo Ai , Ahmed Alkhateeb

Massive multiple-input multiple-output (MIMO) systems are a main enabler of the excessive throughput requirements in 5G and future generation wireless networks as they can serve many users simultaneously with high spectral and energy…

Information Theory · Computer Science 2021-02-15 Mahdi Boloursaz Mashhadi , Deniz Gündüz

Fingerprinting-based indoor localization is an emerging application domain for enhanced positioning and tracking of people and assets within indoor locales. The superior pairing of ubiquitously available WiFi signals with computationally…

Machine Learning · Computer Science 2021-12-02 Saideep Tiku , Sudeep Pasricha

This paper presents a novel indoor positioning method designed for residential apartments. The proposed method makes use of cellular signals emitting from a serving eNodeB which eliminates the need for specialized positioning…

Signal Processing · Electrical Eng. & Systems 2020-09-30 Fahad Alhomayani , Mohammad Mahoor

Received Signal Strength (RSS) fingerprint-based localization has attracted a lot of research effort and cultivated many commercial applications of location-based services due to its low cost and ease of implementation. Many studies are…

Networking and Internet Architecture · Computer Science 2020-02-05 Bekir Sait Ciftler , Abdullatif Albaseer , Noureddine Lasla , Mohamed Abdallah

Consumer electronic devices such as mobile handsets, goods tagged with RFID labels, location and position sensors are continuously generating a vast amount of location enriched data called geospatial data. Conventionally such geospatial…

Artificial Intelligence · Computer Science 2020-09-01 Arvind W. Kiwelekar , Geetanjali S. Mahamunkar , Laxman D. Netak , Valmik B Nikam

The success of deep learning techniques in the computer vision domain has triggered a range of initial investigations into their utility for visual place recognition, all using generic features from networks that were trained for other…

Computer Vision and Pattern Recognition · Computer Science 2017-01-20 Zetao Chen , Adam Jacobson , Niko Sunderhauf , Ben Upcroft , Lingqiao Liu , Chunhua Shen , Ian Reid , Michael Milford

WiFi sensing technology has shown superiority in smart homes among various sensors for its cost-effective and privacy-preserving merits. It is empowered by Channel State Information (CSI) extracted from WiFi signals and advanced machine…

Networking and Internet Architecture · Computer Science 2022-12-13 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Lihua Xie