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Browsing EECS Theses and Dissertations by Title

Browsing EECS Theses and Dissertations by Title

Now showing items 99-118 of 181

Label-free electrical immunoassay biosensors for early disease diagnosis

Brandigampala, Savindra Madhavi (Wichita State University, 2012-05)

This thesis focused on developing an inexpensive and user friendly “point- of- care” (POC) device for early disease diagnosis. Proteomics research has elucidated many new proteins as biomarkers that have the potential to ...
LDPC encoded pilots for iterative receiver improvement

Hassan, Khurrum (2005-12)

Turbo and low density parity check (LDPC) codes show performances approaching Shannon capacity. This thesis proposes a novel iterative channel estimation and LDPC decoding scheme where the pilot symbols are encoded and can ...
LDPC-like approach for distributed detection in Wireless Sensor Networks

Shukair, Mutaz Z. (Wichita State University, 2007-12)

LDPC codes have many applications in channel and source coding. In this thesis, we apply LDPC-like belief propagation algorithm to address distributed detection problem in Wireless Sensor Network. The objective is to achieve ...
Linear quadratic regulator design for doubly fed induction generator using singular perturbation techniques

Aravinthan, Abhiramy (Wichita State University, 2012-07)

Doubly fed induction generators (DFIG) are widely used in wind power generation because of their ability to be operated at varying rotational speeds while producing power output at a constant frequency. Electrical dynamics ...
Local caching architecture for RFID tag resolution

Thadani, Prakash (Wichita State University, 2007-12)

Radio Frequency Identification (RFID) is set to become the standard in identification and tracking of items worldwide with projected numbers in tens of billions in a few years. With the reducing size and cost of RFID ...
Location-aware replication in virtual Hadoop environment

RajuladeviKasi, UdayKiran (Wichita State University, 2012-12)

MapReduce is a framework for processing highly distributable tasks across huge datasets using a large number of compute nodes. As an implementation of MapReduce, Hadoop is widely used in the industry. Hadoop is a software ...
MAC layer misbehavior detection and reaction in wireless networks

Shenbagaraj, Anbarasan (Wichita State University, 2012-07)

IEEE 802.11 wireless LAN medium access control (MAC) provides transmission fairness to nodes in a network. A misbehaving node can modify its MAC and operate in a selfish manner to improve its own performance (throughput) ...
Mac layer misbehavior effectiveness and collective aggressive reaction approach

Giri, VamshiKrishna Reddy (Wichita State University, 2010-12)

Current wireless MAC protocols are designed to provide an equal share of throughput to all nodes in the network. However, the presence of misbehaving nodes (selfish nodes that deviate from standard protocol behavior in ...
Mapping controllers from the s-domain to the z-domain using magnitude invariance and phase invariance methods.

Vadhavkar, Prathamesh R. (Wichita State University, 2007-12)

Design by emulation has been widely used in the field of control systems. Design by emulation is a process where initially a continuous time controller is designed to achieve desired closed loop specifications. This ...
Maximizing data preservation time in intermittently connected sensor networks

Hou, Xiang (Wichita State University, 2012-05)

In intermittently connected sensor networks, wherein sensor nodes do have connected paths to the base station periodically, preserving generated data inside the network is a new and challenging problem. We propose to ...
Measurement of energy consumption in Wireless LANs and Radio Frequency Identification systems

Ramamoorthy, Suresh (Wichita State University, 2011-07)

As mobile hand-held devices such as cell phones and personal digital assistants are battery operated, it is important to minimize their energy consumption. The limited lifetime of the battery is always a problem for all ...
Measuring anonymity while sending and receiving multiple messages

Samad, Abdus (Wichita State University, 2012-05)

Anonymity systems are designed in a way that hides the level of communication between senders and receivers of a message, and the goal of an attacker is to find that communication pattern. It is usually very difficult to ...
Model and analysis of burst packet losses and packet delays in IP networks using Markov chains

Kadiyala, Murali Krishna (Wichita State University, 2011-05)

The classic problem of communication networks such as increase in packet delays and packet losses regains significance with the evolution of a new variety of communication networks and networking protocols. Packet delays ...
Modeling and analysis of IP storage protocols for time critical applications

Nuthakki, Chandu (Wichita State University, 2007-07)

In the current storage era, Fibre Channel (FC) protocol is used for high performance and reliability, providing different levels of service with 1Gbps to 4Gbps physical interfaces. FC transports Small Computer System ...
Model to estimate the number of sessions handled by conference server in session initiation protocol conferencing solution with less delay and the optimum processing capacity

Venugopalan, Natarajan (Wichita State University, 2009-07)

The recent introduction of conferencing products such as telepresence has led to immense growth in the number of voice conferencing calls on the internet protocol (IP) network. Currently, voice conferencing users are ...
Modified UCA-ESPRIT and modified UCA-ROOT-MUSIC for estimating DOA of coherent signals using one snapshot

Al Jabr, Kareem A. (Wichita State University, 2007-12)

Direction of arrival (DOA) estimation algorithms is the method used to estimate the direction of arrival angle of several signals impinging on a sensor array, which plays an important role in array signal processing. The ...
Multiterminal Gaussian source coding using pairwise orthogonal transforms

Mahadevaiah, Gowrav Malur (2006-12)

The multiterminal source coding problem has gained prominence recently due to its relevance to sensor networks. In general, rate-distortion in multiterminal source coding is an open problem. However, variations of ...
A new multi-channel MAC protocol for wireless ad hoc networks with single transceiver

Canbolat, Musa Aykut (Wichita State University, 2007-07)

Although IEEE 802.11a/b/g standards allow use of multiple channels, only a single channel is popularly used, due to the lack of efficient protocols that enable use of Multiple Channels. There are some papers challenging ...
Obstacle adaptive approaches for distributed task assignment in autonomous mobile robots

Kavala, Syam (Wichita State University, 2009-07)

It has many challenges to assign a group of mobile robots to individual targets according to the specific constraints. In addition to the group behavior constraints (one-toone or one-to-many) of the task assignment, some ...
Optimal control of distributed energy storage

Segbefia, Frederick (Wichita State University, 2007-12)

It is shown in this research paper that, with the appropriate control system, a storage energy unit connected to a distribution system near the primary load, can completely level the load on a distribution feeder for any ...