| Preface | p. vii |
| Introduction | p. 1 |
| Aim of this book | p. 1 |
| Evolution of wireless communications | p. 3 |
| Pioneering era of wireless communications | p. 4 |
| First generation (1G) cellular systems | p. 5 |
| Second generation (2G) cellular systems | p. 6 |
| Third generation (3G) cellular systems | p. 7 |
| Wireless local and personal area networks | p. 8 |
| Wireless metropolitan area networks | p. 11 |
| Next generation wireless broadband systems | p. 13 |
| Historical notes on multicarrier transmissions | p. 14 |
| Outline of this book | p. 15 |
| Fundamentals of OFDM/OFDMA Systems | p. 17 |
| Mobile channel modeling | p. 17 |
| Parameters of wireless channels | p. 18 |
| Categorization of fading channels | p. 27 |
| Conventional methods for channel fading mitigation | p. 33 |
| Time-selective fading | p. 34 |
| Frequency-selective fading | p. 34 |
| OFDM systems | p. 37 |
| System architecture | p. 37 |
| Discrete-time model of an OFDM system | p. 40 |
| Spectral efficiency | p. 44 |
| Strengths and drawbacks of OFDM | p. 45 |
| OFDM-based multiple-access schemes | p. 46 |
| Channel coding and interleaving | p. 48 |
| Time and Frequency Synchronization | p. 51 |
| Sensitivity to timing and frequency errors | p. 52 |
| Effect of timing offset | p. 54 |
| Effect of frequency offset | p. 58 |
| Synchronization for downlink transmissions | p. 61 |
| Timing acquisition | p. 62 |
| Fine timing tracking | p. 67 |
| Frequency acquisition | p. 69 |
| Frequency tracking | p. 72 |
| Synchronization for uplink transmissions | p. 76 |
| Uplink signal model with synchronization errors | p. 78 |
| Timing and frequency estimation for systems with subband CAS | p. 81 |
| Timing and frequency estimation for systems with interleaved CAS | p. 84 |
| Frequency estimation for systems with generalized CAS | p. 88 |
| Timing and frequency offset compensation in uplink transmissions | p. 95 |
| Timing and frequency compensation with subband CAS | p. 96 |
| Frequency compensation through interference cancellation | p. 100 |
| Frequency compensation through linear multiuser detection | p. 101 |
| Performance of frequency correction schemes | p. 104 |
| Channel Estimation and Equalization | p. 107 |
| Channel equalization | p. 108 |
| Pilot-aided channel estimation | p. 111 |
| Scattered pilot patterns | p. 112 |
| Pilot distances in time and frequency directions | p. 113 |
| Pilot-aided channel estimation | p. 114 |
| 2D Wiener interpolation | p. 115 |
| Cascaded 1D interpolation filters | p. 117 |
| Advanced techniques for blind and semi-blind channel estimation | p. 125 |
| Subspace-based methods | p. 126 |
| EM-based channel estimation | p. 129 |
| Performance comparison | p. 133 |
| Joint Synchronization, Channel Estimation and Data Symbol Detection in OFDMA Uplink | p. 135 |
| Uncoded OFDMA uplink | p. 136 |
| Signal model | p. 136 |
| Iterative detection and frequency synchronization | p. 137 |
| Practical adjustments | p. 144 |
| Performance assessment | p. 146 |
| Trellis-coded OFDMA uplink | p. 150 |
| Signal model for coded transmissions | p. 150 |
| Iterative detection and frequency synchronization with coded transmissions | p. 152 |
| Performance assessment | p. 157 |
| Dynamic Resource Allocation | p. 159 |
| Resource allocation in single-user OFDM systems | p. 160 |
| Classic water-filling principle | p. 161 |
| Rate maximization and margin maximization | p. 166 |
| Rate-power function | p. 167 |
| Optimal power allocation and bit loading under BER constraint | p. 168 |
| Greedy algorithm for power allocation and bit loading | p. 171 |
| Bit loading with uniform power allocation | p. 173 |
| Performance comparison | p. 176 |
| Subband adaptation | p. 178 |
| Open-loop and closed-loop adaptation | p. 179 |
| Signaling for modulation parameters | p. 180 |
| Resource allocation in multiuser OFDM systems | p. 182 |
| Multiaccess water-filling principle | p. 184 |
| Multiuser rate maximization | p. 188 |
| Max-min multiuser rate maximization | p. 190 |
| Multiuser margin maximization | p. 192 |
| Subcarrier assignment through average channel signal-to-noise ratio | p. 194 |
| Dynamic resource allocation for MIMO-OFDMA | p. 197 |
| Cross-layer design | p. 199 |
| Peak-to-Average Power Ratio (PAPR) Reduction | p. 201 |
| PAPR definitions | p. 202 |
| Continuous-time and discrete-time PAPR | p. 203 |
| Statistical properties of PAPR | p. 206 |
| Amplitude clipping | p. 208 |
| Clipping and filtering of oversampled signals | p. 209 |
| Signal-to-clipping noise ratio | p. 214 |
| Clipping noise mitigation | p. 217 |
| Selected mapping (SLM) technique | p. 219 |
| Partial transmit sequence (PTS) technique | p. 223 |
| Coding | p. 228 |
| Tone reservation and injection techniques | p. 232 |
| Tone reservation (TR) | p. 232 |
| Tone injection (TI) | p. 234 |
| PAPR reduction for OFDMA | p. 237 |
| SLM for OFDMA | p. 238 |
| PTS for OFDMA | p. 238 |
| TR for OFDMA | p. 238 |
| Design of AGC unit | p. 239 |
| Bibliography | p. 243 |
| Index | p. 255 |
| Table of Contents provided by Ingram. All Rights Reserved. |
