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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Class-based rate differentiation in wireless sensor networks

Takaffoli, Mansoureh. January 2009 (has links)
Thesis (M. Sc.)--University of Alberta, 2009. / Title from PDF file main screen (viewed on Feb. 19, 2010). A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science, Department of Computing Science, University of Alberta. Includes bibliographical references.
2

Multiuser TDMA channel estimation

Kane, Roma. January 2004 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2004. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (June 30, 2006) Vita. Includes bibliographical references.
3

Spectrum-slicing multi-wavelength sources based on super-continuum generation in WDM transmission systems.

January 2004 (has links)
Zhao Jian. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 61-68). / Abstracts in English and Chinese. / Chapter 1. --- INTRODUCTION --- p.1 / Chapter 1.1. --- Applications Background - wdm Transmission Systems --- p.1 / Chapter 1.1.1. --- Long-haul WDM Transmission Systems --- p.3 / Chapter 1.1.2. --- OTDM/WDM Transmission Systems --- p.4 / Chapter 1.2. --- Spectrum-slicing Multi-wavelength Sources --- p.6 / Chapter 1.3. --- Introduction of Super-continuum Generation --- p.9 / Chapter 1.4. --- Outline of this Thesis --- p.13 / Chapter 2. --- PRINCIPLES OF SUPER-CONTINUUM GENERATION --- p.15 / Chapter 2.1. --- Super-continuum in Anomalous Dispersive Fiber --- p.17 / Chapter 2.2. --- Super-continuum in Dispersion Decreasing Fiber --- p.21 / Chapter 2.3. --- super-continuum in normal dispersive fiber --- p.23 / Chapter 2.4. --- Super-continuum in Dispersion Flattened and Dispersion Decreasing Fiber --- p.25 / Chapter 2.5. --- Conclusions --- p.27 / Chapter 3. --- OPTIMAL ANALYSIS OF SUPER-CONTINUUM SOURCES OPERATING IN NORMAL DISPERSIVE FIBERS --- p.29 / Chapter 3.1. --- Numerical Model --- p.31 / Chapter 3.2. --- Broadened Spectrum Width --- p.33 / Chapter 3.2.1. --- Broadened Spectrum Width without High-order Dispersion and High-order Nonlinearities --- p.33 / Chapter 3.2.2. --- Influence of High-order Dispersion and High-order Nonlinearities --- p.37 / Chapter 3.3. --- Quality of the Pulses Sliced from SC Spectrum --- p.40 / Chapter 3.3.1. --- Principles --- p.40 / Chapter 3.3.2. --- Influence of Some Parameters on the System Performance of SC Sources --- p.49 / Chapter 3.3.2.1. --- Influence of N --- p.49 / Chapter 3.3.2.2. --- Influence of the Slicing Filter Width --- p.52 / Chapter 3.3.2.3. --- Influence of the Input Peak Power --- p.55 / Chapter 3.4. --- Conclusions --- p.57 / Chapter 4. --- SUMMARY AND FUTURE WORK --- p.59 / BIBLIOGRAPHY --- p.61 / APPENDIX-PUBLICATIONS --- p.68
4

Step-establishing algorithm in wireless TDMA systems.

January 2008 (has links)
Lee, King Ho. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (leaves 69-72). / Abstracts in English and Chinese. / Abstract --- p.i / Acknowledgement --- p.iii / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Introduction to Wireless Technologies --- p.1 / Chapter 1.2 --- Wireless Systems --- p.2 / Chapter 1.3 --- Wireless Networks --- p.3 / Chapter 1.4 --- Multiple Access --- p.5 / Chapter 1.5 --- Objectives and Outlines of the Thesis --- p.8 / Chapter 2 --- Background Studies --- p.9 / Chapter 2.1 --- Introduction of Scheduling Models of Wireless Networks (Graph-based and Interference-based) --- p.10 / Chapter 2.2 --- Power Assignment in Interference-based Schedul- ing Model --- p.12 / Chapter 2.3 --- Motivation and Contribution --- p.14 / Chapter 3 --- Model --- p.16 / Chapter 4 --- Nonlinear Power Assignment Scheduling Algorithm --- p.22 / Chapter 4.1 --- Nonlinear Power Control Scheduling Algorithms --- p.22 / Chapter 4.2 --- Low-Disturbance Scheduling Protocol --- p.26 / Chapter 4.3 --- Fundamental Limitation of LDS --- p.28 / Chapter 4.4 --- Chapter Conclusion --- p.31 / Chapter 5 --- Step-Establishing Algorithm --- p.33 / Chapter 5.1 --- Step-Establishing Algorithm --- p.33 / Chapter 6 --- "Performances of LDS, SRA, and SEA" --- p.45 / Chapter 6.1 --- Simulation --- p.45 / Chapter 6.2 --- Exponential Chain Topology --- p.46 / Chapter 6.3 --- Fixed-Transmission-Length Random Network --- p.47 / Chapter 6.4 --- Cluster Chain Topology --- p.50 / Chapter 6.5 --- General Random Network --- p.53 / Chapter 6.6 --- Running Time Complexity --- p.55 / Chapter 7 --- Conclusion --- p.60 / Chapter A --- Step-Removal Algorithm --- p.62 / Chapter A.1 --- Step-Removal Algorithm[1] --- p.62 / Chapter A.2 --- Illustration of the efficiency of SRA --- p.63 / Chapter B --- Low-Disturbance Scheduling Algorithm --- p.65 / Chapter B.1 --- Low-Disturbance Scheduling Algorithm --- p.65
5

Interference-aware TDMA link scheduling and routing in wireless ad hoc networks.

January 2007 (has links)
Shen, Yuxiu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 61-64). / Abstracts in Chinese and English. / 摘要........Error! Bookmark not defined / Abstract --- p.iii / Acknowledgement --- p.v / Content --- p.viii / List of Figures --- p.xi / List of Tables --- p.xii / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Background Overview --- p.1 / Chapter 1.2 --- Motivation and Related Work --- p.2 / Chapter 1.3 --- Our Contribution --- p.3 / Chapter 1.4 --- Organization of the Thesis --- p.5 / Chapter Chapter 2 --- Preliminaries --- p.6 / Chapter 2.1 --- TDMA Technology --- p.6 / Chapter 2.1.1 --- Features of TDMA --- p.8 / Chapter 2.2 --- Previous Study on TDMA Link Scheduling --- p.8 / Chapter 2.3 --- Typical Network and Interference Models --- p.10 / Chapter Chapter 3 --- System Model --- p.14 / Chapter 3.1 --- Physical Layer Interference Model --- p.14 / Chapter 3.2 --- Objective of the Problem --- p.15 / Chapter 3.3 --- Rate Matrices for Transmission Sets --- p.17 / Chapter 3.4 --- Airtime Allocation --- p.19 / Chapter Chapter 4 --- Problem Formulation and Its Solution --- p.20 / Chapter 4.1 --- LP Formulation of Optimal TDMA Link Scheduling --- p.21 / Chapter 4.2 --- Solution to the Optimal Air Time Allocation Problem --- p.22 / Chapter 4.3 --- n-length Chain Network --- p.24 / Chapter 4.3.1 --- Adaptive Rate Transmission --- p.25 / Chapter 4.3.2 --- Fixed Rate Transmission --- p.27 / Chapter Chapter 5 --- Bad Transmission Set Removal Algorithm (BTSR) --- p.30 / Chapter 5.1 --- A 7-node Chain Example --- p.30 / Chapter 5.2 --- BTSR Algorithm --- p.32 / Chapter Chapter 6 --- Randomized Decentralized Scheduling Algorithm (RDSA) --- p.35 / Chapter 6.1 --- RDSA Algorithm --- p.35 / Chapter 6.2 --- Pseudo Code of RDSA --- p.37 / Chapter 6.3 --- The Flow Chart of RDSA --- p.39 / Chapter Chapter 7 --- Performance Evaluation --- p.41 / Chapter 7.1 --- Performance of Cross-layer TDMA Link Scheduling --- p.41 / Chapter 7.2 --- Complexity Analysis and Comparisons for BTSR+LP and LP --- p.46 / Chapter 7.2.1 --- Complexity of LP Problem --- p.47 / Chapter 7.2.2 --- Problem Size Reduced by BTSR --- p.48 / Chapter 7.2.3 --- Revised BTSR Algorithm --- p.49 / Chapter 7.2.4 --- The Complexity Issues --- p.51 / Chapter 7.3 --- Performance and Complexity Issues for RDSA --- p.52 / Chapter Chapter 8 --- Conclusion and Future Work --- p.57 / Chapter 8.1 --- Conclusions --- p.57 / Chapter 8.2 --- Future Work --- p.58 / Bibliography
6

Graph coloring algorithms for TDMA scheduling in wireless sensor networks /

Ren, Tiegeng. January 2007 (has links)
Thesis (Ph.D.) -- University of Rhode Island, 2007 / Typescript. Includes bibliographical references (leaves 80-83).
7

A bit-map-assisted energy-efficient MAC scheme for Wireless Sensor Networks

Li, Jing. January 2004 (has links)
Thesis (M.S.)--Mississippi State University. Department of Electrical and Computer Engineering. / Title from title screen. Includes bibliographical references.
8

Design and analysis of cooperative and non-cooperative resource management algorithms in high performance wireless systems

Kong, Zhen., 孔振. January 2008 (has links)
published_or_final_version / Electrical and Electronic Engineering / Doctoral / Doctor of Philosophy
9

Resource allocation in digital mobile systems.

January 1998 (has links)
by Wan Wai Leung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1998. / Includes bibliographical references (leaves 77-[80]). / Abstract also in Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Wireless Multimedia System --- p.1 / Chapter 1.2 --- Motivation of this thesis --- p.2 / Chapter 1.3 --- The theme of this thesis --- p.4 / Chapter 1.3.1 --- System Model and Assumptions --- p.4 / Chapter 1.3.2 --- Outline of the thesis --- p.5 / Chapter 2 --- Overview of TDMA/FDMA Digital Cellular Systems --- p.7 / Chapter 2.1 --- The Cellular Concept --- p.7 / Chapter 2.2 --- Channel Assignment Strategies --- p.9 / Chapter 2.2.1 --- Fixed Channel Assignment --- p.9 / Chapter 2.2.2 --- Dynamic Channel Assignment --- p.9 / Chapter 2.3 --- Multiple Access Techniques --- p.10 / Chapter 2.3.1 --- Introduction to Multiple Access --- p.10 / Chapter 2.3.2 --- Frequency Division Multiple Access - FDMA --- p.11 / Chapter 2.3.3 --- Time Division Multiple Access - TDMA --- p.12 / Chapter 2.4 --- A TDMA/FDMA System - GSM --- p.13 / Chapter 2.4.1 --- Global System for Mobile --- p.13 / Chapter 2.4.2 --- GSM radio subsystem --- p.13 / Chapter 3 --- Multi-rate Data in TDMA/FDMA Digital Cellular Systems --- p.17 / Chapter 3.1 --- Incorporation of Multimedia Data --- p.17 / Chapter 3.2 --- A Global Optimal Strategy --- p.19 / Chapter 3.2.1 --- Channel Rearrangement --- p.19 / Chapter 3.2.2 --- Analytical Performance Analysis of a Special Case --- p.21 / Chapter 3.2.3 --- Numerical Results --- p.24 / Chapter 3.2.4 --- Issues in Channel Rearrangement --- p.25 / Chapter 4 --- Multiple Slots Allocations --- p.26 / Chapter 4.1 --- Introduction --- p.26 / Chapter 4.2 --- No-Split Algorithm --- p.27 / Chapter 4.2.1 --- No-Split Algorithm --- p.27 / Chapter 4.2.2 --- Pros and Cons --- p.28 / Chapter 4.3 --- Best Fit Algorithm --- p.29 / Chapter 4.3.1 --- Best Fit Algorithm --- p.29 / Chapter 4.3.2 --- Optimization --- p.31 / Chapter 4.3.3 --- Pros and Cons --- p.32 / Chapter 4.4 --- Comparison of the two algorithms --- p.32 / Chapter 5 --- Buddy Algorithm --- p.37 / Chapter 5.1 --- Introduction --- p.37 / Chapter 5.2 --- Buddy System in Memory Management --- p.38 / Chapter 5.3 --- Buddy Algorithm --- p.40 / Chapter 5.3.1 --- Adaptation in slot allocation --- p.40 / Chapter 5.3.2 --- Data structure --- p.40 / Chapter 5.3.3 --- Slot allocation --- p.40 / Chapter 5.3.4 --- Slot deallocation --- p.44 / Chapter 5.4 --- Inference Property --- p.45 / Chapter 5.4.1 --- Proof of the Inference Property --- p.47 / Chapter 5.5 --- Pros and Cons --- p.49 / Chapter 6 --- Performance Study --- p.51 / Chapter 6.1 --- Introduction --- p.51 / Chapter 6.2 --- Fixed Channel Assignment --- p.52 / Chapter 6.2.1 --- System Parameters --- p.52 / Chapter 6.2.2 --- Simulation Results --- p.53 / Chapter 6.3 --- Dynmaic Channel Assignment --- p.55 / Chapter 6.3.1 --- System Parameters --- p.55 / Chapter 6.3.2 --- Simulation Results --- p.56 / Chapter 7 --- A Case Study - H.263 Video Coding --- p.59 / Chapter 7.1 --- CCITT H.263 Image Compression --- p.59 / Chapter 7.2 --- On a GSM Network --- p.60 / Chapter 8 --- Conclusion --- p.63 / Chapter A --- A General Data + Voice System with Channel Rearrangement --- p.65 / Chapter A.1 --- System Model --- p.65 / Chapter A.2 --- Markovian Analysis --- p.66 / Chapter B --- NP-Completeness Proof of the Best Fit Algorithm --- p.69 / Chapter B.1 --- CONSTRAINT SUBSET-SUM Problem --- p.69 / Chapter B.2 --- BEST-FIT Problem --- p.72 / Chapter C --- Proof of Proposition 5.2 --- p.74 / Chapter C.1 --- Upper Bound on Demand Advancement --- p.74 / Chapter C.2 --- Proof of Proposition 5.2 --- p.75 / Bibliography --- p.77
10

All-optical devices for wavelength-division multiplexing (WDM) and optical time-division multiplexing (OTDM). / CUHK electronic theses & dissertations collection

January 2002 (has links)
Wong Chi Sang. / "August 2002." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2002. / Includes bibliographical references. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.

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