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Resource Allocation in Uplink OFDMA Wireless Systems Optimal Solutions and Practical Implementations

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ISBN-10: 1118074505

ISBN-13: 9781118074503

Edition: 2012

Authors: Zaher Dawy, Elias Yaacoub

List price: $87.95
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Book details

List price: $87.95
Copyright year: 2012
Publisher: John Wiley & Sons, Limited
Publication date: 3/27/2012
Binding: Hardcover
Pages: 296
Size: 6.25" wide x 9.50" long x 0.75" tall
Weight: 1.188
Language: English

Preface
Acknowledgments
Acronyms
Introduction
Evolution of Wireless Communication Systems
Orthogonal Frequency Division Multiple Access
Organization of this Book
Background on Downlink Resource Allocation in OFDMA Wireless Networks
Centralized Single Cell Scheduling
Continuous Versus Discrete Rates
Optimal Versus Suboptimal Scheduling
Distributed Scheduling
Scheduling in Multicell Scenarios
Multicell Scheduling in LTE
Summary
Ergodic Sum-Rate Maximization with Continuous Rates
Background
Problem Formulation
Problem Solution
Solution of the Dual Problem
Duality Gap Analysis
Complexity Analysis
Solution Approach in a MIMO Scenario
Achievable Rate Region
K-user Achievable Rate Region without Rate Constraints
K-user Achievable Rate Region with Rate Constraints
Application to the Two-Users Rate Region
Results and Discussion
Simulation Parameters
Multiplier Calculation and Convergence
Duality Gap Results
Sum-Rate Results
Summary
Ergodic Sum-Rate Maximization with Discrete Rates
Background
Problem Formulation
Problem Solution
Duality Gap Analysis
Complexity Analysis
Results and Discussion
Simulation Model
Continuous Versus Discrete Rates
Impact of Modulation and Coding Schemes
Impact of Varying the User Weights
Summary
Generalization to Utility Maximization
Background
Ergodic Utility Maximization with Continuous Rates
Duality Gap
Ergodic Utility Maximization with Discrete Rates
Duality Gap
Summary
Suboptimal Implementation of Ergodic Sum-Rate Maximization
Background
Suboptimal Approximation of the Continuous Rates Solution
Suboptimal Approximation of the Discrete Rates Solution
Complexity Analysis of the Suboptimal Algorithms
Complexity Analysis in the Continuous Rates Case
Complexity Analysis in the Discrete Rates Case
Results and Discussion
Simulation Parameters
Results of the Continuous Rates Approximation
Results of the Discrete Rates Approximation
Results in the Case of Imperfect CSI
Comparison to Existing Algorithms
Summary
Suboptimal Implementation with Proportional Fairness
Background
Proportional Fair Scheduling
PF Scheduling Methods
Equivalence of PF and NBS
Low Complexity Utility Maximization Algorithms
Complexity Analysis of the Utility Maximization Algorithms
Comparison to Existing Algorithms
Rate Calculations
Proportional Fair Utilities
Results and Discussion
Simulation Model
PFF and PFTF Utility Comparison
RB-based Scheduling: Greedy and PFF Utilities
Comparison to Existing Algorithms
Independent versus Equal Fading over the Subcarriers of an RB
Summary
Scheduling with Distributed Base Stations
Background
System Model
Scheduling with Distributed Base Stations
Scheduling Algorithm for DBS Scenarios
Complexity Analysis of the DBS Scheduling Algorithm
Results and Discussion
Simulation Model
Sum-Rate Results
Fairness Analysis
Location Optimization
Mobility Considerations
Distributed Base Stations Versus Relays
Distributed Base Stations Versus Femtocells
Summary
Distributed Scheduung with User Cooperation
Background
Cooperative Distributed Scheduling Scheme
System Model
CSI Quantization Scheme
Price of Anarchy
Distributed Scheduling Algorithm
Rate Calculations with Quantized CSI
Results and Discussion
Simulation Model
Greedy Scheduling Results
PF Scheduling Results
Summary
Distributed Scheduling without User Cooperation
Background
Noncooperative Distributed Scheduling Scheme
System Model
Distributed Scheduling Scheme
Comparison to Existing Schemes
Analysis of Measurement Inaccuracies
Results and Discussion
Simulation Model
Simulation Results
Optimization of Transmission Probabilities
Optimization Methods
Optimization Results
Practical Considerations
Collisions
Collaboration Between Mobile Users
Role of the Central Controlling Devices
Extension to a Single Cell Scenario
Extension to a Multiple Cell Scenario
Cognitive Radio and 4G
Summary
Centralized Multicell Scheduling with Interference Mitigation
Background
Problem Formulation
Iterative Pricing-Based Power Control Solution
Single Cell Problem Formulation
Single Cell Scheduling Solution
Iterative Pricing Game
Pricing Game with Centralized Control
Online versus Offline Implementation
Suboptimal Scheduling Scheme Using Pricing-Based Power Control
Utility Functions
Setting the Prices in the Power Control Scheme
Scheduling Algorithm
Suboptimal Scheduling Scheme Using Probabilistic Transmission
Results and Discussion
Simulation Model
Comparison of the Pricing-Based Power Control Schemes
Results of the Suboptimal Pricing-Based Power Control Schemes
Results of the Suboptimal Probabilistic Scheduling Scheme
Summary
Distributed Multicell Scheduling with Interference Mitigation
Background
System Model
Intracell Cooperation: Distributed Scheduling
Intercell Interference Mitigation/Avoidance
Intercell Cooperation: Transparent Pricing Scheme
Intercell Cooperation: Pricing-Based Power Control Scheme
Interference Avoidance in the Absence of Intercell Cooperation: Probabilistic Transmission Scheme
Results and Discussion
Simulation Model
Greedy Allocation Results
Proportional Fair Allocation Results
Additional Comments
Practical Aspects
Application in a Local Area Network
Application in a Distributed Base Station Scenario
Application in a CR Network
Application in a Network with Femtocell Deployment
Distributed Multicell Scheduling without User Cooperation
Summary
Scheduling in State-Of-The-Art OFDMA-Based Wireless Systems
WiMAX Scheduling Overview
Enhancements in the Next Generation of WiMAX
Intercell Interference Issues in WiMAX
Relation of the Work in this Book to WiMAX Scheduling
LTE Scheduling Overview
Enhancements in the Next Generation of LTE
Intercell Interference Issues in LTE
Relation of the Work in this Book to LTE Scheduling
SCFDMA Versus OFDMA Scheduling
SCFDMA Rate Calculations
Scheduling Algorithm with Contiguous RBs
Results and Discussion
Comparison to the LTE Power Control Scheme
LTE Multicell Interference Mitigation Schemes
Results and Discussion
Summary
Future Research Directions
Resource Allocation with Multiple Service Classes
Network MIMO
Coalitional Game Theory
Resource Allocation with Femtocells
Green Networks and Self-Organizing Networks
Joint Uplink/Downlink Resource Allocation
Joint Resource Allocation in Heterogeneous Networks
Resource Allocation in Cognitive Radio Networks
Bibliography
Index