Browsing Library by Author "Liu, Yonghe"
Now showing items 1-18 of 18
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A Real-time Activity Recognition in a Congested Wireless Environment
Elujide, Israel Oludayo (2022-08-16)**Please note that the full text is embargoed until 8/16/2024** ABSTRACT: This dissertation reports on how to achieve real-time activity recognition in a congested wireless environment. Recently, human activity recognition ... -
Congestion Control For Networks In Challenged Environments
Zhang, Guohua (Computer Science & Engineering, 2008-09-17)Congestion occurs when resource demands exceed the capacity of a network. The goal of congestion control is to use the network as efficiently as possible. While extensive efforts have been devoted to providing optimization ... -
Design And Analysis Of A Mobile File Sharing System For Opportunistic Networks
Chavan, Gautam Ravendra (Computer Science & Engineering, 2009-09-16)In the past several years, wireless mobile devices with advanced computing, sensing, and storing capabilities have been increasingly developed by handset manufacturers, deployed by wireless carriers, and accepted by ... -
Design And Analysis Of Application Architecture For Opportunistic Networks Using Ad Hoc Wi-Fi
Shere, Sankalp Vinod (Computer Science & Engineering, 2010-03-03)In recent years, the number of smartphone users has increased by many folds. In fact, it is estimated to reach 100 million by 2013. Current generation of smartphones has better storage, battery, computing capabilities and ... -
Design And Analysis Of Location Centered Large-scale Opportunistic Networks
Lu, Shanshan (Computer Science & Engineering, 2014-03-12)With the high penetration of mobile devices and their equipments of wireless interfaces in people's lives, the development of the scenario of Opportunistic Networks(OppNets) has become available. OppNets enable transmissions ... -
Design And Analysis Of Place-based Opportunistic Networks
Liu, YanliangThe swift growth and popularization of wireless technology and mobile smart phones have unfolded various opportunities and challenges before researchers' eyes. Opportunistic networks is one of the interesting and challenging ... -
Design And Implementation Of An Open Beaconing Architecture For Internet Of Things
Bhaskar Shetty, Arjun KumarThe power of the Internet is penetrating into the physical world with ever increasing speed and expanding reach under the general concept of Internet of Things. Extensive sets of efforts have been devoted toward establishing ... -
Diagnosing Wi-fi Association Issues And Optimizing Network Performance
Subbarao, Suma (Electrical Engineering, 2013-07-22)Extensive deployment of Wi-Fi networks at homes and public places has triggered research interest in several aspects of Wi-Fi technology like deployment strategies and optimization. People use Wi-Fi or 802.11 networking, ... -
A Distributed Sensor Data Management Infrastructure Based On 802.15.4/ZigBee Networks
Li, Tianqiang (Computer Science & Engineering, 2007-08-23)Wireless sensor networks consist of a certain number of autonomous devices with sensor, every device has certain detection functionality like light, temperature pressure etc. Communication by using the radio frequency make ... -
Dynamic Push And Pull Strategy Based On Data Interpolation For Web Sensor Networks
Mohan, Rohita (Computer Science & Engineering, 2007-09-17)Sensor Web, a new trend has been developed recently to effectively network large scale deployed heterogeneous sensors with Internet to make sensor data discoverable, accessible and controllable via World Wide Web. Since ... -
Efficient Visualization Of Streaming Sensor Network Data Using Approximation Technique
Pai, Sunil (Computer Science & Engineering, 2007-08-23)By commanding a large number of wireless sensor nodes capable of sensing, communicating, and computing, wireless sensor networks have revealed their vast potential in a plethora of applications. However, due to the stringent ... -
ENERGY EFFICIENT FRAMEWORKS FOR PARTICIPATORY URBAN SENSING
Khan, Adnan Rahath (University of Texas at Arlington Libraries, 2015-05)Participatory sensing is a powerful paradigm in which users participate in the sensing campaign by collecting and crowdsourcing fine-grained information and opinions about events of interest (such as weather or environment ... -
Feature Extraction In Noise-Diverse Environments For Human Activities Recognition Using Wi-Fi
Arshad, Sheheryar; 0000-0002-9785-2829 (2019-12-04)With the rapid development of 802.11 standard and Internet of Things (IoT) applications, Wi-Fi (IEEE 802.11) has emerged as the most widely used wireless communication technology. Wi-Fi based sensing has found widespread ... -
Group Key Distribution Via Local Collaboration In Wireless Sensor Networks
Chadha, Anuj (Computer Science & Engineering, 2007-08-23)Wireless sensor networks have been recognized as one of the most important technologies in the networking world. Security of sensor networks is one of the major concerns today. To this end, a whole suite of protocols have ... -
HUMAN MOBILITY CENTRIC EFFICIENT FRAMEWORK FOR OPPORTUNISTIC MOBILE SOCIAL NETWORK
Shahriar, Md Mehrab (University of Texas at Arlington Libraries, 2015-12)Throughout the last decade, increasing penetration of portable devices like smartphones and tablets with their incessant enrichment in strong peer-to-peer networking (e.g., Bluetooth, WiFi Direct) and sensing capabilities, ... -
Performance Analysis Of The Beacon Period Contraction Mechanism In WiMedia MAC For UWB
Sun, Shenjin (Computer Science & Engineering, 2007-08-23)The WiMedia MAC for UWB based WPANs is currently preferred among standards for wireless network since it requires non-infrastructure for ad hoc network, and also supports for Quality of Service (QoS). Without infrastructure, ... -
Relative Clock Drift Rate Based Secure Time Synchronization For Wireless Sensor Networks
Choi, Jae Sung (Computer Science & Engineering, 2007-08-23)Time synchronization is critical issue to many wireless sensor network applications such that target tracking, TDMA radio scheduling, and secure localization. However, the most of existing time synchronization algorithms ... -
Towards Location Free Movement Recognition with Channel State Information
Feng, Chunhai (2019-12-03)Channel state information based movement recognition has gathered immense attention over recent years. Different from traditional systems which usually require wearable sensors or surveillance cameras, many existing works ...