Untitled MINISTRY OF EDUCATION & TRAINING MINISTRY OF NATIONAL DEFENSE MILITARY TECHNICAL ACADEMY LE THI THANH HUYEN REPEATED INDEX MODULATION FOR OFDM SYSTEMS A Thesis for the Degree of Doctor of Phi[.]
MINISTRY OF EDUCATION & TRAINING MINISTRY OF NATIONAL DEFENSE MILITARY TECHNICAL ACADEMY LE THI THANH HUYEN REPEATED INDEX MODULATION FOR OFDM SYSTEMS A Thesis for the Degree of Doctor of Philosophy HA NOI - 2020 luan an MINISTRY OF EDUCATION & TRAINING MINISTRY OF NATIONAL DEFENSE MILITARY TECHNICAL ACADEMY LE THI THANH HUYEN REPEATED INDEX MODULATION FOR OFDM SYSTEMS A Thesis for the Degree of Doctor of Philosophy Specialization: Electronic Engineering Specialization code: 52 02 03 SUPERVISOR Prof TRAN XUAN NAM HA NOI - 2020 luan an ASSURANCE I hereby declare that this thesis was carried out by myself under the guidance of my supervisor The presented results and data in the thesis are reliable and have not been published anywhere in the form of books, monographs or articles The references in the thesis are cited in accordance with the university’s regulations Hanoi, May 17th, 2019 Author Le Thi Thanh Huyen luan an ACKNOWLEDGEMENTS It is a pleasure to take this opportunity to send my very great appreciation to those who made this thesis possible with their supports First, I would like to express my deep gratitude to my supervisor, Prof Tran Xuan Nam, for his guidance, encouragement and meaningful critiques during my researching process This thesis would not have been completed without him My special thanks are sent to my lecturers in Faculty of Radio - Electronics, especially my lecturers and colleagues in Department of Communications who share a variety of difficulties for me to have more time to concentrate on researching I also would like to sincerely thank my research group for sharing their knowledge and valuable assistance Finally, my gratitude is for my family members who support my studies with strong encouragement and sympathy Especially, my deepest love is for my mother and two little sons who always are my endless inspiration and motivation for me to overcome all obstacles Author Le Thi Thanh Huyen luan an TABLE OF CONTENTS Contents List of abbreviations iv List of figures vii List of tables x List of symbols xi INTRODUCTION Chapter RESEARCH BACKGROUND 1.1 Basic principle of IM-OFDM 1.1.1 IM-OFDM model 1.1.2 Sub-carrier mapping 12 1.1.3 IM-OFDM signal detection 14 1.1.4 Advantages and disadvantages of IM-OFDM 16 1.2 Related works 17 1.3 Summary 23 Chapter REPEATED INDEX MODULATION FOR OFDM WITH DIVERSITY RECEPTION 24 2.1 RIM-OFDM with diversity reception model 24 2.2 Performance analysis of RIM-OFDM-MRC/SC under perfect CSI 28 2.2.1 Performance analysis for RIM-OFDM-MRC i luan an 29 2.2.2 Performance analysis for RIM-OFDM-SC 34 2.3 Performance analysis of RIM-OFDM-MRC/SC under imperfect CSI 35 2.3.1 Performance analysis for RIM-OFDM-MRC 35 2.3.2 Performance analysis for RIM-OFDM-SC 40 2.4 Performance evaluation and discussion 41 2.4.1 Performance evaluation under perfect CSI 41 2.4.2 SEP performance evaluation under imperfect CSI condition 48 2.4.3 Comparison of the computational complexity 49 2.5 Summary 50 Chapter REPEATED INDEX MODULATION FOR OFDM WITH COORDINATE INTERLEAVING 51 3.1 RIM-OFDM-CI system model 51 3.2 Performance analysis 56 3.2.1 Symbol error probability derivation 56 3.2.2 Asymptotic analysis 59 3.2.3 Optimization of rotation angle 60 3.3 Low-complexity detectors for RIM-OFDM-CI 62 3.3.1 Low-complexity ML detector 62 3.3.2 LLR detector 65 3.3.3 GD detector 66 3.4 Complexity Analysis 67 3.5 Performance evaluations and discussion 69 ii luan an 3.6 Summary 75 CONCLUSIONS AND FUTURE WORK 76 PUBLICATIONS 79 BIBLIOGRAPHY 81 iii luan an LIST OF ABBREVIATIONS Abbreviation Definition AWGN Additive White Gaussian Noise BEP Bit Error Probability BER Bit Error Rate CI Coordinate Interleaving CS Compressed Sensing CSI Channel State Information D2D Device to Device ESIM-OFDM Enhanced Sub-carrier Index Modulation for Orthogonal Frequency Division Multiplexing FBMC Filter Bank Multi-Carrier FFT Fast Fourier Transform GD Greedy Detection ICI Inter-Channel Interference IEP Index Error Probability IFFT Inverse Fast Fourier Transform IM Index Modulation IM-OFDM Index Modulation for OFDM iv luan an IM-OFDM-CI Index Modulation for OFDM with Coordinate Interleaving IoT Internet of Things ISI Inter-Symbol Interference ITU International Telecommunications Union LowML Low-complexity Maximum Likelihood LLR Log Likelihood Ratio LUT Look-up Table M2M Machine to Machine Mbps Megabit per second MGF Moment Generating Function MIMO Multiple Input Multiple Output ML Maximum Likelihood MM-IM-OFDM Multi-Mode IM-OFDM MRC Maximal Ratio Combining NOMA Non-Orthogonal Multiple Access OFDM Orthogonal Frequency Division Multiplexing OFDM-GIM OFDM with Generalized IM OFDM-I/Q-IM OFDM with In-phase and Quadrature Index Modulation OFDM-SS OFDM Spread Spectrum PAPR Peak-to-Average Power Ratio PEP Pairwise Error Probability PIEP Pairwise Index Error Probability v luan an PSK Phase Shift Keying QAM Quadrature Amplitude Modulation RIM-OFDM Repeated Index Modulation for OFDM RIM-OFDM-MRC Repeated Index Modulation for OFDM with Maximal Ratio Combining RIM-OFDM-SC Repeated Index Modulation for OFDM with Selection Combining RIM-OFDM-CI Repeated Index Modulation for OFDM with Coordinate Interleaving SC Selection Combining SEP Symbol Error Probability SIMO Single Input Multiple Output S-IM-OFDM Spread IM-OFDM SNR Signal to Noise Ratio SM Spatial Modulation SS Spread Spectrum UWA Underwater Acoustic V2V Vehicle to Vehicle V2X Vehicle to Everything xG x-th Generation vi luan an ... MM-IM -OFDM Multi-Mode IM -OFDM MRC Maximal Ratio Combining NOMA Non-Orthogonal Multiple Access OFDM Orthogonal Frequency Division Multiplexing OFDM- GIM OFDM with Generalized IM OFDM- I/Q-IM OFDM. .. Amplitude Modulation RIM -OFDM Repeated Index Modulation for OFDM RIM -OFDM- MRC Repeated Index Modulation for OFDM with Maximal Ratio Combining RIM -OFDM- SC Repeated Index Modulation for OFDM with Selection... IFFT Inverse Fast Fourier Transform IM Index Modulation IM -OFDM Index Modulation for OFDM iv luan an IM -OFDM- CI Index Modulation for OFDM with Coordinate Interleaving IoT Internet of Things ISI