Browsing by Author "Agrawal, Prathima"

Now showing items 1-20 of 29

Application of Mobility Models to Collaborative Search and Rescue Robotics

Bano, Nida (2011-05-26)

This thesis addresses the challenges of using small, low-cost robotic nodes with limited processing capabilities in collaborative search and rescue. Mobility models tailored specifically to the mobility patterns of such ...

Auto-Configuration in Multi-Hop Mobile Ad Hoc Networks

Sinha, Priyanka (2007-05-15)

As devices with wireless access technology, greater memory and longer battery life, proliferate, there is a need to be able to allow more than one hop communication amongst them. Also, such a network, with wireless enabled ...

Communication model and Optical Flow to Aid Collaborative Robotics Search Strategy

Dumpala Basaveswara, Swathi (2013-07-10)

This thesis provides an analysis of how communication among robots improves search performance in a multi-robot search and rescue scenario. Mobility models have been used to represent the movement patterns in vehicular and ...

Electromagnetic induction systems for discrimination among metallic targets

Chilaka, Sailaja (2006-05-15)

This dissertation discusses the ability of time- and frequency-domain electromagnetic induction (EMI) systems to discriminate unexploded ordnance (UXO) from clutter. The chief contribution of this work is to demonstrate ...

Energy Efficiency in Wireless Sensor Networks

Prasad, Pratap (2007-05-15)

Wireless Sensor Networks are an emerging area of Communication technology. These networks are made up of tiny wireless sensors that collect and transmit data toward a sink node(s). Energy efficiency in sensor networks ...

Enhanced Visual Navigation for Mobile Robots

West, Brian (2014-05-02)

Navigation solely by vision has been a goal in robotics for many years. It is desirable for a robot to plan and navigate the same way we do naturally as humans; however computation speed, changing illumination, complex ...

Incast-free TCP for Data Center Networks

Kulkarni, Santosh (2012-10-03)

Cloud Computing is a computing paradigm that involves delivering hosted services over the Internet, based on a `pay-per-use' approach. This new style of computing, promises to revolutionize the IT industry by making computing ...

Interface Selection in Multi-Interface Mobile Devices

Mylapore, Krishna (2006-08-15)

This thesis describes interface selection in multi-interface mobile devices. A multi-interface mobile device is defined as a device equipped with more than one network interface to help connect it to an external network ...

Intrusion Resilient and Real-Time Forensics

Liu, Tong (2011-12-05)

Intrusion to corporate network and unauthorized access to sensitive information can cause huge damage and intellectual property loss. In addition to intrusion, Denial of service (DoS)/Distributed DoS (DDoS) attack is also ...

MAC and Routing Protocols for Multi-Hop Cognitive Radio Networks

Kondareddy, Yogesh (2008-08-15)

Cognitive radio networks that allow dynamic spectrum access are considered spectrally more efficient than networks using fixed spectral allocation. These networks are characterized by dynamically changing channel sets at ...

Mobility Modeling, Prediction and Resource Allocation in Wireless Networks

Prasad, Pratap (2010-10-29)

Rapid increase in the number of mobile and wireless users has created greater loads on legacy networks. Also, increased miniaturization of computing devices has led to an influx of handheld gadgets. Mobile users now wish ...

Node Placement, Routing and Localization Algorithms for Heterogeneous Wireless Sensor Networks

Dong, Shaoqiang (2008-05-15)

Wireless sensor network is a very promising technology for many military and civilian applications. The network usually consists large number of nodes and many existing network techonlogies can not be used directly in ...

Perfomance Analysis of 802.11b Networks

Paruchuri, Ravi-Chandra (2006-05-15)

Wireless local area networks (WLANs), especially those incorporating the 802.11b standard, have experienced rapid evolution and unprecedented widespread deployment during the past few years. Increasing research led to the ...

Performance Analysis of Collision Avoidance Schemes in Ad Hoc Networks

Bhandare, Suryakant (2012-04-11)

IEEE 802.11 DCF (Distributed Coordination Function) is a popular protocol used for the physical and MAC layers in most ad hoc networks. DCF employs carrier sense multiple access with collision avoidance (CSMA/CA) and a ...

Performance Optimization of Wireless Mesh Networks

Kongara, Harish (2009-04-01)

Wireless mesh network (WMN) is a communication network consisting of radio nodes organized in a mesh topology. The components of a mesh network are mesh clients, mesh routers for forwarding packets to mesh gateways that ...

Power-Aware System-on-Chip Test Optimization through Frequency and Voltage Scaling

Sheshadri, Vijay (2014-04-29)

A System-on-Chip (SoC) is a complete system that has been integrated onto a single chip. An SoC is often designed by embedding reusable blocks called cores. With shrinking device sizes, SoC cores are growing in number and ...

Privacy-Enabled Probabilistic Verification in Broadcast Authentication for Vehicular Networks

Grover, Kanika (2014-10-10)

Vehicular Ad hoc Networks (VANETs) possess an extremely dynamic nature accompanying the high mobility feature. In VANETs, each vehicle sends out safety messages at regular intervals of 100-300 ms. Since the purpose of ...

Protocol Design and Performance Issues in Cognitive Radio Networks

Kondareddy, Yogesh (2010-09-24)

A cognitive radio is a frequency agile wireless communication device based on software defined radio that enables dynamic spectrum access. cognitive radio represents a significant paradigm change in spectrum regulation ...

Relay Positioning for Energy Efficiency and Improved Performance of Cooperative Wireless Networks

Vellimalaip Sivakumar, Vignesh (2014-03-31)

Cooperative communications in wireless networks have gained much interest due to their ability to mitigate the effect of fading in wireless networks by achieving spatial diversity. One of the techniques used in cooperative ...

Reliability, Scalability and Security in Smart Utility Networks

Iyer, Gopalakrishnan (2014-05-01)

With the rapid increase in deployment of smart meters across North America, resource consumption data of utilities such as water, gas and electricity is being collected at a much higher granular level. The huge amount ...