Theses and Dissertations
Now showing items 1-10 of 12
Analysis and augmentation of timing advance-based geolocation in LTE Cellular Networks
(Monterey, California: Naval Postgraduate School, 2016-12)
The ubiquity of cellular technology has woven a variety of services, now axiomatic, into modern social fabric. Among those services is the ability to provide mobile user location. Applications of these location-based ...
Spectral graph theory analysis of software-defined networks to improve performance and security
(Monterey, California: Naval Postgraduate School, 2015-09)
Software-defined networks are revolutionizing networking by providing unprecedented visibility into and control over data communication networks. The focus of this work is to develop a method to extract network features, ...
Wireless source localization and signal collection from an airborne symmetric line array sensor network
(Monterey, California: Naval Postgraduate School, 2014-09)
Wireless communication technology has become a critical aspect in many civilian and military applications. With regard to remote sensing, search and rescue, disaster relief operations and signals intelligence, there exists ...
Improving UXS network availability with asymmetric polarized mimo
(Monterey, California: Naval Postgraduate School, 2013-06)
To improve the efficiency of communications among unmanned systems, the research focused on the novel use of asymmetric polarized MIMO and network availability. The dissertation objective was to maintain the highest network ...
Radio frequency signal reception via distributed wirelessly networked sensors under random motion
(Monterey, California: Naval Postgraduate School, 2009-09)
This research investigates the reception of radio frequency signals using wirelessly networked autonomous sensor nodes under random motion. Emphasis is placed on investigating effects of random motion on sensor array ...
Energy conservation in wireless sensor networks
(Monterey, California. Naval Postgraduate School, 2007., 2007-06)
This dissertation presents a system-level approach for minimizing the power expended in achieving communication between a ground-based sensor network and an overhead Unmanned Aerial Vehicle (UAV). A subset of sensor ...
New data fusion algorithms for distributed multi-sensor multi-target environments
(Monterey, California: Naval Postgraduate School, 1999-09)
Multisensor data fusion combines data from multiple sensor systems to achieve improved performance and provide more inferences than could be achieved using a single sensor system. One of the most important aspects of data ...
Layer-based coding, smoothing, and scheduling of low-bit-rate video for teleconferencing over tactical ATM networks
(Monterey, California. Naval Postgraduate School, 1999-09)
This work investigates issues related to distribution of low bit rate video within the context of a teleconferencing application deployed over a tactical ATM network. The main objective is to develop mechanisms that support ...
Soft decision diversity coded DS/DPSK systems in pulse-jammed multipath-fading channels
(Monterey, California: Naval Postgraduate School, 1999-03)
The performance of a Direct Sequence Spread Spectrum system utilizing Differential Phase Shift-Keying modulation over a fading channel in the presence of pulse noise interference and additive white Gaussian noise is ...
Channel allocation in wireless integrated services networks for low-bit-rate applications
(Monterey, California. Naval Postgraduate School, 1998., 1998-06-01)
This work addresses issues related to the design and performance of a wireless integrated services network with emphasis on a tactical framework. We propose an asynchronous transfer mode (ATM)-like protocol architecture ...
Tummala, Murali (12)
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