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Related papers: Occupancy Estimation Using Low-Cost Wi-Fi Sniffers

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This paper presents the design, implementation, and evaluation of an IoT-based robotic system for mapping and monitoring indoor air quality. The primary objective was to develop a mobile robot capable of autonomously mapping a closed…

Robotics · Computer Science 2025-05-27 Anggiat Mora Simamora , Asep Denih , Mohamad Iqbal Suriansyah

One of the primary goals in spectrum occupancy mapping is to create a system that is robust to assumptions about the number of sensors, occupancy threshold (in dBm), sensor noise, number of emitters and the propagation environment. We show…

Signal Processing · Electrical Eng. & Systems 2023-02-14 Abbas Termos , Bertrand Hochwald

The concept of energy-efficient computing is not new but recently the focus of the industries related to technology has been shifted towards energy utilization techniques with minimum energy loss. Computer Networks also needed to be energy…

Networking and Internet Architecture · Computer Science 2021-05-24 Anum Masood

In this paper we have analyzed energy efficient neighbour selection algorithms for routing in wireless sensor networks. Since energy saving or consumption is an important aspect of wireless sensor networks, its precise usage is highly…

Networking and Internet Architecture · Computer Science 2014-06-16 Saraswati Mishra , Prabhjot Kaur

This paper presents a localization method for indoor environments capable of improving the location accuracy that is hampered by instability in RSSI of the IEEE 802.11 networks. The method employs the k-Nearest Neighbors (kNN) algorithm and…

Networking and Internet Architecture · Computer Science 2021-01-01 David Alan de Oliveira Ferreira , Celso Barbosa Carvalho , Edjair de Souza Mota

The accuracy of indoor wireless localization systems can be substantially enhanced by map-awareness, i.e., by the knowledge of the map of the environment in which localization signals are acquired. In fact, this knowledge can be exploited…

Information Theory · Computer Science 2014-02-18 Francesco Montorsi , Fabrizio Pancaldi , Giorgio M. Vitetta

Information about the spatiotemporal flow of humans within an urban context has a wide plethora of applications. Currently, although there are many different approaches to collect such data, there lacks a standardized framework to analyze…

Machine Learning · Computer Science 2020-12-23 Zann Koh , Yuren Zhou , Billy Pik Lik Lau , Chau Yuen , Bige Tuncer , Keng Hua Chong

In this paper we present an approach to estimate Free Space from a Stereo image pair using stochastic occupancy grids. We do this in the domain of autonomous driving on the famous benchmark dataset KITTI. Later based on the generated…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Raghavender Sahdev

This paper presents a multi-layer perceptron model for the estimation of classrooms number of occupants from sensed indoor environmental data-relative humidity, air temperature, and carbon dioxide concentration. The modelling datasets were…

Neural and Evolutionary Computing · Computer Science 2017-02-08 Eugénio Rodrigues , Luísa Dias Pereira , Adélio Rodrigues Gaspar , Álvaro Gomes , Manuel Carlos Gameiro da Silva

Currently there is no standard indoor positioning system, similar to outdoor GPS. However, WiFi signals have been used in a large number of proposals to achieve the above positioning, many of which use machine learning to do so. But what…

Signal Processing · Electrical Eng. & Systems 2022-02-09 Vladimir Bellavista-Parent , Joaquín Torres-Sospedra , Antoni Perez-Navarro

In this paper, we design an optimal sensor collaboration strategy among neighboring nodes while tracking a time-varying parameter using wireless sensor networks in the presence of imperfect communication channels. The sensor network is…

Signal Processing · Electrical Eng. & Systems 2018-07-04 Shan Zhang , Sijia Liu , Vinod Sharma , Pramod K. Varshney

The performance of remote estimation over wireless channel is strongly affected by sensor data losses due to interference. Although the impact of interference can be alleviated by performing spectrum sensing and then transmitting only when…

Networking and Internet Architecture · Computer Science 2016-11-17 Xianghui Cao , Xiangwei Zhou , Yu Cheng

This paper investigates non-intrusive occupancy detection methods for residential buildings using environmental sensor data from the KTH Live-In Lab in Stockholm, Sweden. Three machine learning approaches, namely, logistic regression (LR),…

Systems and Control · Electrical Eng. & Systems 2026-05-05 Mahsa Farjadnia , Katayoun Eshkofti , Albin Apell , Tilde Hjalmarsson , Karl Henrik Johansson , Angela Fontan , Marco Molinari

As mobile technologies become ever more sensor-rich, portable, and ubiquitous, data captured by smart devices are lending rich insights into users' daily lives with unprecedented comprehensiveness, unobtrusiveness, and ecological validity.…

Time series forecasting is an important predictive methodology which can be applied to a wide range of problems. Particularly, forecasting the indoor temperature permits an improved utilization of the HVAC (Heating, Ventilating and Air…

Networking and Internet Architecture · Computer Science 2015-04-22 Juan Pardo , Francisco Zamora-Martinez , Paloma Botella-Rocamora

Design of control applications over wireless sensor networks (WSNs) is a challenging issue due to the bandwidth-limited communication medium, energy constraints and real-time data delivery requirements. This paper introduces a new…

Networking and Internet Architecture · Computer Science 2014-01-08 Bartlomiej Placzek , Marcin Bernas

3D occupancy prediction has recently emerged as a new paradigm for holistic 3D scene understanding and provides valuable information for downstream planning in autonomous driving. Most existing methods, however, are computationally…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Yunxiao Shi , Hong Cai , Amin Ansari , Fatih Porikli

This paper is about the wireless sensor network in environmental monitoring applications. A Wireless Sensor Network consists of many sensor nodes and a base station. The number and type of sensor nodes and the design protocols for any…

Networking and Internet Architecture · Computer Science 2012-02-10 Rathna. R , Sivasubramanian. A

Wireless sensor network (WSN) is a collection of nodes which can communicate with each other without any prior infrastructure along with the ability to collect data autonomously and effectively after being deployed in an ad-hoc fashion to…

Networking and Internet Architecture · Computer Science 2012-04-16 Subhabrata Mukherjee , Anand Seetharam , Abhishek Bhattacharyya , Mrinal. K. Naskar , Amitava Mukherjee

In research paper "Accurate estimation of the target location of object with energy constraint & Adaptive Update Algorithms to Save Data" one of the central issues in sensor networks is track the location, of moving object which have…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-08-08 Vijay Bhaskar Semwal , K Susheel Kumar , Vinay S Bhaskar , Meenakshi Sati