Resource Allocation in OFDM Based Wireless Relay Networks ...

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Acknowledgment I would like to first thank my supervisor Dr. Feifei Gao for his guidance and the efforts he put into helping me to develop my research skills. His continuous support and patience have been essential for the completion of this research project. It has been a pleasure to work with him and I heartily appreciate his help and encouragements during my doctoral study . I am also thankful to thesis committee members, Dr. Jon Wallace, Jacobs University Bremen, and Dr. Wei Liu, University of Sheffield to review this dissertation. Their comments will improve my thesis. My sincere thanks to Higher Education Commission (HEC), Government of Pakistan for financial support during my PhD study at Jacobs University Bremen. I am grateful to my friends Dr. Muhammad Aasim, Abdul Wakeel, Dr. Abdul Sadiq, Dr. Noor Shad, members of the ’Gather for Gathering’ group, and all other Pakistani friends who made Bremen-Vegesack a pleasant place to live for me. I also thank my colleague Dhananjaya, with whom I had a very nice time in the office during all the three years. Last, but not least, I would like to express my deepest gratitude to my family members. Especially, I would like to thank my parents, Bashir Ahmad and Kaneez Fatima, for their continues motivations and sacrifices to pursue my dreams. I strongly believe that where I am today is only due to the countless efforts and the encouragements of my father and due to the prayers and the love of my mother. My heartfelt thanks go to my brothers Abrar, Ahsan, and Waqas for their unconditional support and care. Their considerations were essential to achieve this goal. Finally, i
Acknowledgment I am greatly thankful to my caring wife Dr. Sajida for her endless love, patience, and prayers throughout my doctoral study. She has been the source of continues support and my life in Germany would not have been the beautiful without her. A special thank to my gorgeous daughter, Atika Mehak ALi, for her lovely talks and the adorable smile which means the World to her Baba. ii
Page 1 and 2: Resource Allocation in OFDM Based W
Page 3: Dedications: To my family
Page 7 and 8: Contents 2.3.3 Proposed Low-Complex
Page 9 and 10: Abstract The combination of relay t
Page 11 and 12: List of Tables 3.1 Complexity compa
Page 13 and 14: List of Figures 4.1 System model fo
Page 15 and 16: List of Acronyms IEEE MU RS AWGN OW
Page 17 and 18: 1.1 Overview of Relay Networks wire
Page 19 and 20: 1.2 Overview of OFDM Figure 1.2: Th
Page 21 and 22: 1.3 Basics of the Optimization Theo
Page 23 and 24: 1.3 Basics of the Optimization Theo
Page 25 and 26: 1.4 Resource Allocation Problem is
Page 27 and 28: 1.5 Contribution and Organization o
Page 29 and 30: 1.5 Contribution and Organization o
Page 31 and 32: 2.1 Introduction allocated to a nod
Page 33 and 34: 2.1 Introduction The main contribut
Page 35 and 36: 2.2 System Model where h m,k denote
Page 37 and 38: 2.3 Resource Allocation Schemes opt
Page 39 and 40: 2.3 Resource Allocation Schemes ( )
Page 41 and 42: 2.3 Resource Allocation Schemes and
Page 43 and 44: 2.3 Resource Allocation Schemes tha
Page 45 and 46: 2.3 Resource Allocation Schemes 2.3
Page 47 and 48: 2.4 Generalization to Multiple Rela
Page 49 and 50: 2.4 Generalization to Multiple Rela
Page 51 and 52: 2.5 Simulation Results • OptSol/J
Page 53 and 54: 2.5 Simulation Results 0.9 0.85 0.8
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2.6 Summary 2.6 2.4 2.2 2 Rate (bit
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2.6 Summary 2.4 2.2 2 1.8 N=4 N=3 N
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3.1 Introduction A new technology c
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3.1 Introduction • Broadcast Phas
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3.2 System Model MU MU 3 8 A 1 2 7
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3.4 Joint Resource Allocation Schem
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3.4 Joint Resource Allocation Schem
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3.5 Step-Wise Low-Complexity Resour
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3.6 Simulation Results and SNR B m,
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3.6 Simulation Results 3 2.5 2 Uppe
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3.7 Summary 1.8 1.6 1.4 JntOpt SubO
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4.1 Introduction • Non-orthogonal
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4.3 Cooperative Non-Orthogonal Tran
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Page 85 and 86:
Page 87 and 88:
4.4 Optimization under Orthogonal T
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4.4 Optimization under Orthogonal T
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4.5 Simulations Then, the over all
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4.5 Simulations 40 30 20 Sum−ρ S
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4.6 Summary 0.9 0.8 0.7 JPSC Pow EP
Page 97 and 98:
Chapter 5 Lifetime Maximization in
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5.1 Introduction Figure 5.2: Linear
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5.2 System Model antenna that canno
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5.4 Lifetime Maximization Scheme 5.
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5.4 Lifetime Maximization Scheme wh
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5.5 Simulation Results 150 OPT−SO
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5.6 Summary Lifetime (S) 150 100 50
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Chapter 6 Resource Allocation in Co
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7. Conclusions were considered for
Page 115 and 116:
Bibliography [12] A. Peled, and A.
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Bibliography [36] Z. Luo and S. Zha
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Bibliography [61] D. H. N. Nguyen,
Page 121 and 122:
Bibliography [84] A. Goldsmith, S.
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Bibliography [105] Y. Li, W. Wang,
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Appendix A Derivations of Closed-Fo
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B. Derivations of the Optimal Power
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