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Table of contents
1 Introduction
1.1 Problem Statement
1.2 Thesis Contributions
1.2.1 Adaptive Modulation and Coding for QoS-based Femtocell Resource Allocation with Power Control: AMC-QRAP Approach
1.2.1.1 OFDMA-based Downlink AMC-QRAP
1.2.1.2 SC-FDMA-based Uplink AMC-QRAP
1.2.2 Physical Layer LTE Enhancements
1.2.2.1 Wavelet-based OFDM Multicarrier Transmission Approach
1.2.2.2 Wavelet-based Edge Detection for Spectrum Sensing
1.3 Thesis Outline
2 State of The Art
2.1 Introduction
2.2 Long Term Evolution (LTE) System
2.2.1 LTE Design Goals
2.2.2 LTE Physical Layer Specifications
2.2.2.1 Downlink Direction Characteristics
2.2.2.2 Uplink Direction Characteristics
2.2.2.3 Duplex schemes and framing
2.3 Femto-Small Cells Networks
2.3.1 Femtocells’ benefits
2.3.2 Femtocells’ Challenges
2.4 Fundamental Wireless Communication Notions
2.5 Link Adaptation Issue
2.6 Literature Review
2.6.1 Downlink resource allocation approaches
2.6.2 Uplink resource allocation approaches
2.6.3 Wavelet-based signal processing enhancements
2.6.3.1 Alternative wavelet-based OFDM approaches
2.6.3.2 Spectrum Sensing techniques
2.7 Conclusion
3 Downlink Joint Resource Allocation with Adaptive Modulation and Coding
3.1 Introduction
3.2 System Description and Notations
3.2.1 Network Model
3.2.2 Propagation Model
3.2.3 Notations
3.3 Adaptive Modulation and Coding Concept
3.3.1 Definition
3.3.2 Modulation & Coding Scheme and Link Quality
3.3.3 Fixed Modulation and Coding (FMC) vs. Adaptive Modulation and Coding (AMC)
3.4 Downlink OFDMA AMC-based Joint Resource Allocation Proposal
3.4.1 Problem Formulation
3.4.2 Problem Resolution
3.5 Performance Metrics
3.5.1 Throughput Satisfaction Rate (TSR)
3.5.2 Spectrum Spatial Reuse (SSR)
3.5.3 Rate of rejected users
3.5.4 Average channel efficiency
3.5.5 Transmission power
3.6 Performance Evaluation
3.7 Conclusion
4 Uplink Joint Resource Allocation with Adaptive Modulation and Coding
4.1 Introduction
4.2 SC-FDMA Transmission Mode
4.2.1 What is SC-FDMA and Why using it?
4.2.2 SC-FDMA v.s. OFDMA
4.2.2.1 Block Diagram and Symbol Transmission
4.2.2.2 SC-FDMA and OFDMA PAPR Comparison
4.3 System Description
4.3.1 System and Transmission Model
4.3.2 Notations
4.4 Uplink AMC-based Joint Resource Allocation Proposal
4.4.1 Problem Formulation
4.4.1.1 Uplink Interference Scenarios
4.4.1.2 Spectrum Sensing Phase
4.4.1.3 Resource Allocation Phase
4.4.2 Problem Resolution
4.5 Performance Metrics
4.5.1 Throughput Satisfaction Rate (TSR)
4.5.2 Rate of rejected users
4.5.3 Spectrum Spatial Reuse (SSR)
4.5.4 Transmission power
4.5.5 Fairness
4.6 Performance Evaluation
4.7 Conclusion
5 Wavelet-based LTE Physical Layer Enhancements
5.1 Introduction
5.2 Wavelet Signal Processing Tool
5.2.1 Fourier Transform: Analysis and Limitations
5.2.2 Short Term Fourier Transform- STFT
5.2.3 Wavelet Transform: Multi-Resolution Analysis
5.2.3.1 Definition and Characteristics
5.2.3.2 Types of the Wavelet Transform
5.2.3.3 Wavelet in Communications and Application fields
5.3 Wavelet-based OFDM Multicarrier Approach
5.3.1 Fourier-based OFDM Limitations
5.3.2 Wavelet Orthogonal basis for Multicarrier Transmission
5.3.3 Wavelet-based OFDM Alternative System
5.3.4 How the wavelet alleviates the Fourier-based OFDM problems?
5.3.5 Simulation Results and Comparison
5.4 Automatic Wavelet-based Edge Detection for Spectrum Sensing
5.4.1 Edge Detection Wavelet Property
5.4.2 Wavelet-based Spectrum Sensing Approach
5.4.2.1 System Model
5.4.2.2 Approach Description
5.4.2.3 Automatic Local Maxima Detection
5.5 Wavelet Applications for the LTE Mobile System
5.5.1 5th Generation Roadmap
5.5.2 Wavelet-based Downlink Enhancement
5.5.3 Wavelet-based Uplink Enhancement
5.6 Conclusion
6 Conclusion and Future Works
6.1 Conclusion
6.2 Future works and perspectives
7 List of Publications
Bibliography
