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Filtering by: Committee Member Jander, Albrecht Remove constraint Committee Member: Jander, Albrecht Degree Field Electrical and Computer Engineering Remove constraint Degree Field: Electrical and Computer Engineering File Format application/pdf Remove constraint File Format: application/pdf

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Efficient VLSI architectures for MIMO and cryptography systems

Creator:

Li, Qingwei

Abstract:

Multiple-input multiple-output (MIMO) communication systems have recently been considered as one of the most significant technology breakthroughs for modern wireless communications, due to the higher spectral efficiency and improved link reliability. The sphere decoding algorithm (SDA) has been widely used for maximum likelihood (ML) detection in MIMO systems. It is...

Resource Type:

Dissertation
Development of oxide semiconductors : materials, devices, and integration

Creator:

Chiang, Hai Q.

Abstract:

The aim of this dissertation is to develop oxide semiconductors by radio-frequency sputtering for thin-film transistor (TFT) applications. A variety of oxide semiconductors are used as the TFT channel layer, including indium gallium oxide (IGO), zinc tin oxide (ZTO), and indium gallium zinc oxide (IGZO). The variety of materials used...

Resource Type:

Dissertation
Noise coupling techniques in multi-cell delta-sigma modulators

Creator:

Bonu, Madhulatha

Abstract:

High performance multi-cell delta-sigma modulators are a preferred choice in applications which require programmability. Multi-cell delta-sigma modulators with M unit cells provide 10log10(M) SQNR improvement for the same thermal noise and bias power due to the uncorrelated quantization noises of the M unit ADCs. This concept is used in this...

Resource Type:

Masters Thesis
A dual-path 2-0 MASH ADC with dual digital error correction

Creator:

Zhang, Zhenyong

Abstract:

This dissertation presents a dual-path 2-0 MASH (Multi-stAge-noise -SHaping) ADC with two verified digital corrections of DAC mismatch error and quantization noise leakage. By using these two techniques, the requirements for the analog circuits are greatly relaxed. The dual-path structure generates two outputs, one only composed of conversion errors, the...

Resource Type:

Dissertation
On-chip crosstalk suppression schemes using magnetic films for RF/microwave applications

Creator:

Sligar, Arien

Abstract:

The primary objective of the thesis research is to study novel schemes of on-chip crosstalk suppression employing magnetic films at microwave frequencies. Since extraction of various material properties of the magnetic films is essential for successful application of the proposed method, the research also involves development of a new material...

Resource Type:

Masters Thesis
Multi-antenna OFDM systems in the presence of phase noise and doubly-selective fading

Creator:

Zhang, Yu

Abstract:

Orthogonal frequency division multiplexing (OFDM), which has been very attractive for future high rate wireless communications, is very robust to channel multipath fading effect while providing high transmission data rate with high spectral efficiency. Multiple antennas can be combined with OFDM to increase diversity gain and to improve spectral efficiency...

Resource Type:

Dissertation
Implementation of an ultra-wideband transceiver for sensor applications

Creator:

Jann, Benjamin J.

Abstract:

Ultra-wideband (UWB) radio is the transmission of data using an extremely wide bandwidth and very low power spectral density. In this thesis, the mereits and challenges of UWB architectures versus conventional narrowband architectures will be compared. Pulsed UWB systems can be implemented with very simple architectures. These advantages make UWB...

Resource Type:

Masters Thesis
Design techniques for radiation hardened-phase locked loops

Creator:

Nemmani, Anantha Nag

Abstract:

Spacecrafts experience radiation in the course of their operation and all electronic equipment on board these spacecrafts has to be designed to withstand the effects of this radiation. This thesis describes the effects of total ionization dose (TID) and single event transients (SET) in phase-locked loops - an important circuit...

Resource Type:

Masters Thesis

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Academic Affiliation

Electrical Engineering and Computer Science8

Advisor

Liu, Huaping2
Mayaram, Kartikeya1
Moon, Un Ku1
Settaluri, Raghu1
Temes, Gabor1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2006 to 2008

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Committee Member

Jander, Albrecht[remove]8
Liu, Huaping2
Wang, Zhongfeng2
Dhagat, Pallavi1
Hanumolu, Pavan1
more Committee Members »

Creator

Bonu, Madhulatha1
Chiang, Hai Q.1
Jann, Benjamin J.1
Li, Qingwei1
Nemmani, Anantha Nag1
more Creators »

Date

Date range begin – Date range end

Current results range from 2005 to 2008

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Decade

2000-20098

Degree Field

Electrical and Computer Engineering[remove]8

Degree Level

Doctoral4
Master's4

Degree Name

Doctor of Philosophy (Ph.D.)4
Master of Science (M.S.)4

File Format

application/pdf[remove]8

Language

English [eng]8

License

All rights reserved8

Non-Academic Affiliation

Oregon State University. Graduate School8

Peer Reviewed

No6

Resource Type

Dissertation4
Masters Thesis4

Rights Statement

In Copyright8

Subject

Modulators (Electronics)2
Signal processing -- Digital techniques2
Analog-to-digital converters -- Noise1
Crosstalk -- Prevention1
Data encryption (Computer science) -- Mathematical models1
more Subjects »

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