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Browsing EECS Theses and Dissertations by Issue Date

Browsing EECS Theses and Dissertations by Issue Date

Now showing items 1-20 of 181

Direction of arrival angle estimation schemes for wireless communication systems

Tayem, Nizar Abdel-Hafeeth Mohammad (2005-05)

In array signal processing, estimation of the direction of arrival angle (DOA) from multiple sources plays an important role in the array processing area, because both the base and mobile stations can employ multiple antenna ...
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 ...
Optimal zonal protocol for containing rebroadcast in mobile ad-hoc networks

Malla, Deependra (2005-12)

With the proliferation of inexpensive and widely available wireless devices, the arena of mobile computing has been expanded dramatically in recent years. Mobile ad hoc networks have been envisioned as the future of wireless ...
Enhanced routing protocol for graceful degradation in wireless sensor networks during attacks

Radhakrishnan, Preetha (2005-12)

With the deployment of Sensor networks gaining some popularity, researchers are now focusing on solving the issues concerned with making sensor networks more feasible and viable. As Sensor networks have various constraints ...
Pre-shared key distribution protocol (PDP)-- FULL TEXT IS NOT AVAILABLE

Brahmadevula, Kiran Kumar (2005-12)

The proposed Pre-Shared Key Distribution Protocol (PDP) will distribute the IKE pre-shared key for IPSec between PDSN and HA in the 3GPP2 mobile networks. IPSec is used to provide security and integrity service between ...
Service differentiation via cooperative MAC protocol (SD-MAC)

Tunc, Muharrem Ali (2005-12)

With the recent advances in wireless communications and networking area, it has been a great challenge for researchers to improve a medium access protocol for providing an efficient service differentiation in wireless ad ...
Information theoretic analysis of the capacity of multi channel digital image watermarking

Kothinti, Kalyan Reddy (2005-12)

Watermarking channel capacity is defined as the highest rate in bits per image of information that can be embedded with arbitrarily low probability of detection error under a given distortion between original and watermarked ...
Electric transmission line routing using a decision landscape based methodology

Gill, Ramandeep Singh (2005-12)

Transmission line construction is one of the most complex engineering projects. Routing a transmission line is much more difficult than routing any other public infrastructure. The present system used by utilities is time ...
Statistical approach for predicting remaining life of crosslinked polyethylene insulated cables

Luitel, Mahesh (2005-12)

This study focuses on developing new remaining life model of the Cross linked polyethylene (XLPE) insulated medium voltage cables that are in use for hot and dry climate. Cross linked polyethylene insulating material ...
Predicting recloser failure rates from field condition assessment

Warner, Joseph M (2005-12)

This research develops a technique to predict the failure rate of a power distribution system recloser. The prediction is based on suggested criterion given and defined within this paper. Because inspection practices differ ...
Distributed detection and data fusion in resource constrained wireless sensor networks

Garimella, Bhavani (2005-12)

Wireless sensor networks have received immense attention in recent years due to their possible applications in various fields like battery-field surveillance, disaster recovery etc. Since these networks are mostly ...
Voltage control with shunt capacitance on radial distribution line with high R/X factor

Vu, Hong-Tuan Nguyen (2005-12)

As a previous study showed, the voltage on a distribution line with high R/X ratio will actually decrease as shunt capacitance is added. This thesis develops a new distribution feeder model and confirms this unexpected ...
Distributed source coding using non binary LDPC

Potluri, Madhurima (2005-12)

In this thesis we have extended non binary low-density parity-check (LDPC) codes, developed for channel coding, to be used for source coding to compress correlated non binary sources. Focusing on the asymmetric case of ...
Stabilization of an arbitrary order transfer function with time delay using PI, PD and PID controllers

Sujoldžić, Sead (2005-12)

This thesis is concerned with developing a procedure for stabilizing a linear time-invariant plant of an arbitrary order with time delay utilizing proportional-integral (PI), proportional-derivative (PD) and proportional ...
Space frequency block coded OFDM systems with adaptive modulation and improved antenna selection

Komatireddy, Murali Krishna Reddy (2005-12)

This thesis proposes a new antenna selection scheme for the conventional space-frequency block code (SFBC) - orthogonal frequency division multiplexing (OFDM) system using adaptive modulation. In the proposed scheme, the ...
Asymptotic fusion performance in a power constrained, distributed wireless sensor network

Al-Tarazi, Kossai Abdalah (2006-05)

The performance of decentralized detection in power constrained wireless sensor network is analyzed. We consider two distributed processing schemes; the analog relay amplifier local processing and the quantized decision ...
Dynamic voice codec determination mechanism for VoIP

Osipov, Andrey E. (2006-05)

Emerging voice over IP networks dictate a need for efficient network resource management schemes to mitigate the best-effort nature of IP. Traditional quality of service and call admission control mechanisms provide network ...
A unified procedure for continuous-time and discrete-time root locus and bode design

Emami, Tooran (Wichita State University, 2006-05)

As an alternative to the numerous distinct controller design algorithms in continuous-time and discrete-time classical control textbooks, a simple, unified design approach is presented for all standard continuous-time and ...
Robust and reduced order h-infinity filtering via LMI approach and its application to fault detection

Kim, Young-Man (2006-05)

The objective of this dissertation is to develop a practical methodology for designing full and reduced order H[infinity] filter for plants with polytopic model uncertainty. Because the polytopic model description is convex, ...
Design and timing analysis of wave pipelined circuits

Ozgun, Recep (Wichita State University, 2006-05)

In conventional pipelined circuits there is only one data wave active in any pipeline stage at any time; therefore, the clock speed of the circuit is limited by the maximum stage delay in the circuit. In wave pipelining, ...