Preface Acknowledgements Abbreviations and Acronyms CHAPTER 1 Background of LTE 1.1 Introduction 1.2 Evolution of Mobile Systems Before LTE 1.2.1 The First 3G Standardization 1.3 ITU Activities 1.3.1 IMT-2000 and IMT-Advanced 1.3.2 Spectrum for IMT Systems 1.4 Drivers for LTE 1.5 Standardization of LTE 1.5.1 The Standardization Process 1.5.2 The 3GPP Process 1.5.3 The 3G Evolution to 4G CHAPTER 2 High Data Rates in Mobile Communication 2.1 High Data Rates: Fundamental Constraints 2.1.1 High Data Rates in Noise-Limited Scenarios 2.1.2 Higher Data Rates in Interference-Limited Scenarios 2.2 Higher Data Rates Within a Limited Bandwidth: Higher-Order Modulation 2.2.1 Higher-Order Modulation in Combination with Channel Coding 2.2.2 Variations in Instantaneous Transmit Power 2.3 Wider Bandwidth Including Multi-Carrier Transmission 2.3.1 Multi-Carrier Transmission CHAPTER 3 0FDM Transmission 3.1 Basic Principles of OFDM 3.2 OFDM Demodulation 3.3 OFDM Implementation Using IFFT/FFT Processing 3.4 Cyclic-prefix Insertion 3.5 Frequency-Domain Model of OFDM Transmission 3.6 Channel Estimation and Reference Symbols 3.7 Frequency Diversity with OFDM: Importance of Channel Coding 3.8 Selection of Basic OFDM Parameters 3.8.10FDM Subcarrier Spacing 3.8.2 Number of Subcarriers 3.8.3 Cyclic-Prefix Length 3.9 Variations in Instantaneous Transmission Power 3.10 OFDM as a User-Multiplexing and Multiple-Access Scheme 3.1 1 Multi-Cell Broadcast/Multicast Transmission and OFDM CHAPTER 4 Wider-Band "Single-Carrier" Transmission 4.1 Equalization Against Radio-Channel Frequency Selectivity 4.1.1 Time-Domain Linear Equalization 4.1.2 Frequency-Domain Equalization 4.1.3 Other Equalizer Strategies 4.2 Uplink FDMA with Flexible Bandwidth Assignment 4.3 DFT-Spread OFDM 4.3.1 Basic Principles 4.3.2 DFTS-OFDM Receiver 4.3.3 User Multiplexing with DFTS-OFDM 4.3.4 Distributed DFFS-OFDM CHAPTER 5 Multi-Antenna Techniques 5.1 Multi-Antenna Configurations 5.2 Benefits of Multi-Antenna Techniques 5.3 Multiple Receive Antennas 5.4 Multiple Transmit Antennas 5.4.1 Transmit-Antenna Diversity 5.4.2 Transmitter-Side Beam-Forming 5.5 Spatial Multiplexing 5.5.1 Basic Principles 5.5.2 Precoder-Based Spatial Multiplexing 5.5.3 Nonlinear Receiver Processing CHAPTER 6 Scheduling, Link Adaptation, and Hybrid ARQ 6.1 Link Adaptation: Power and Rate Control 6.2 Channel-Dependent Scheduling 6.2.1 Downlink Scheduling 6.2.2 Uplink Scheduling 6.2.3 Link Adaptation and Channel-Dependent Scheduling in the Frequency Domain 6.2.4 Acquiring on Channel-State Information 6.2.5 Traffic Behavior and Scheduling …… CHAPTER 7 LTE Radio Access: An Overview CHAPTER 8 Radio-Interface Architecture. CHAPTER 9 Physical Transmission Resources CHAPTER 10 Downlink Physical-Layer Processing. CHAPTER 11 Uplink Physical-Layer Processing. CHAPTER 12 Retransmission Protocols. CHAPTER 13 Power Control, Scheduling, and Interference Handling CHAPTER 14 Access Procedures. CHAPTER 15 MultimediaBroadcastJMulticast Services CHAPTER 16 Relaying CHAPTER 17 Spectrum and RF Characteristics CHAPTER 18 Performance CHAPTER 19 Other Wireless Communications Systems CHAPTER 20 Final Thoughts References Index