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In recent years WiFi became the primary source of information to locate a person or device indoor. Collecting RSSI values as reference measurements with known positions, known as WiFi fingerprinting, is commonly used in various positioning…

Machine Learning · Computer Science 2023-07-18 Kahraman Kostas , Rabia Yasa Kostas , Francisco Zampella , Firas Alsehly

The rapid development of Wi-Fi technologies in recent years has caused a significant increase in the traffic usage. Hence, knowledge obtained from Wi-Fi network measurements can be helpful for a more efficient network management. In this…

Networking and Internet Architecture · Computer Science 2024-08-20 Seyedeh Soheila Shaabanzadeh , Juan Sánchez-González

With the rise of online eTextbooks and Massive Open Online Courses (MOOCs), a huge amount of data has been collected related to students' learning. With the careful analysis of this data, educators can gain useful insights into the…

Computers and Society · Computer Science 2022-03-09 Ahmed Abd Elrahman , Taysir Hassan A Soliman , Ahmed I. Taloba , Mohammed F. Farghally

With the rapid development of wireless communication technology, wireless access points (AP) and internet of things (IoT) devices have been widely deployed in our surroundings. Various types of wireless signals (e.g., Wi-Fi, LoRa, LTE) are…

Signal Processing · Electrical Eng. & Systems 2022-06-27 Zheng Yang , Yi Zhang , Guoxuan Chi , Guidong Zhang

The last mile connection is dominated by wireless links where heterogeneous nodes share the limited and already crowded electromagnetic spectrum. Current contention based decentralized wireless access system is reactive in nature to…

Networking and Internet Architecture · Computer Science 2020-02-03 Shuvam Chakraborty , Hesham Mohammed , Dola Saha

The increasing demand for sensing, collecting, transmitting, and processing vast amounts of data poses significant challenges for resource-constrained mobile users, thereby impacting the performance of wireless networks. In this regard,…

Networking and Internet Architecture · Computer Science 2024-07-23 Yaoqi Yang , Hongyang Du , Zehui Xiong , Dusit Niyato , Abbas Jamalipour , Zhu Han

WiFi sensing is an important part of the new WiFi 802.11bf standard, which can detect motion and measure distances. In recent years, some machine learning methods have been proposed for human activity recognition from WiFi signals. However,…

Human-Computer Interaction · Computer Science 2022-10-24 Hojjat Salehinejad , Navid Hasanzadeh , Radomir Djogo , Shahrokh Valaee

We present results from a set of experiments in this pilot study to investigate the causal influence of user activity on various environmental parameters monitored by occupant carried multi-purpose sensors. Hypotheses with respect to each…

Human-Computer Interaction · Computer Science 2016-11-17 Ming Jin , Han Zou , Kevin Weekly , Ruoxi Jia , Alexandre M. Bayen , Costas J. Spanos

We provide a simple and accurate analytical model for multi-cell infrastructure IEEE 802.11 WLANs. Our model applies if the cell radius, $R$, is much smaller than the carrier sensing range, $R_{cs}$. We argue that, the condition $R_{cs} >>…

Networking and Internet Architecture · Computer Science 2009-03-14 Manoj K. Panda , Anurag Kumar

In this paper, we revisit the widely known performance anomaly that results in severe network utility degradation in WiFi networks when nodes use diverse modulation and coding schemes. The proportional-fair allocation was shown to mitigate…

Networking and Internet Architecture · Computer Science 2021-02-11 Piotr Gawłowicz , Jean Walrand , Adam Wolisz

The number of end devices that use the last mile wireless connectivity is dramatically increasing with the rise of smart infrastructures and require reliable functioning to support smooth and efficient business processes. To efficiently…

Machine Learning · Computer Science 2022-02-21 Blaž Bertalanič , Marko Meža , Carolina Fortuna

We present an integrated graph-based neural networks architecture for predicting campus buildings occupancy and inter-buildings movement at dynamic temporal resolution that learns traffic flow patterns from Wi-Fi logs combined with the…

Machine Learning · Computer Science 2025-07-09 Godwin Badu-Marfo , Bilal Farooq

Gathering data in an energy efficient manner in wireless sensor networks is an important design challenge. In wireless sensor networks, the readings of sensors always exhibit intra-temporal and inter-spatial correlations. Therefore, in this…

Networking and Internet Architecture · Computer Science 2013-02-12 Jiping Xiong , Jian Zhao , Lei Chen

Supervised learning in machine learning (ML) requires labelled data set. Further real-time data classification requires an easily available methodology for labelling. Wireless modulation and signal classification find their application in…

Signal Processing · Electrical Eng. & Systems 2022-03-01 Bhargava B C , Ankush Deshmukh , A V Narasimhadhan

In modern wireless network architectures, such as O-RAN, artificial intelligence (AI)-based applications are deployed at intelligent controllers to carry out functionalities like scheduling or power control. The AI "apps" are selected on…

Machine Learning · Computer Science 2024-10-22 Qiushuo Hou , Matteo Zecchin , Sangwoo Park , Yunlong Cai , Guanding Yu , Kaushik Chowdhury , Osvaldo Simeone

The industry is satisfying the increasing demand for wireless bandwidth by densely deploying a large number of access points which are centrally managed, e.g. enterprise WiFi networks deployed in university campuses, companies, airports…

Networking and Internet Architecture · Computer Science 2014-05-02 Antonios Michaloliakos , Ryan Rogalin , Yonglong Zhang , Konstantinos Psounis , Giuseppe Caire

Accurate detection of human presence in indoor environments is important for various applications, such as energy management and security. In this paper, we propose a novel system for human presence detection using the channel state…

Machine Learning · Computer Science 2024-02-09 Li-Hsiang Shen , An-Hung Hsiao , Kuan-I Lu , Kai-Ten Feng

With the rising complexity of numerous novel applications that serve our modern society comes the strong need to design efficient computing platforms. Designing efficient hardware is, however, a complex multi-objective problem that deals…

Hardware Architecture · Computer Science 2023-04-11 Alireza Ghaffari , Masoud Asgharian , Yvon Savaria

In order to meet the growing mobile data demand, future wireless networks will be equipped with a multitude of access points (APs). Besides the important implications for the energy consumption, the trend towards densification requires the…

Information Theory · Computer Science 2016-04-20 Giovanni Geraci , Matthias Wildemeersch , Tony Q. S. Quek

Poor sleep habits may cause serious problems of mind and body, and it is a commonly observed issue for college students due to study workload as well as peer and social influence. Understanding its impact and identifying students with poor…

Artificial Intelligence · Computer Science 2022-02-21 Teng Guo , Linhong Li , Dongyu Zhang , Feng Xia