Intro
Preface
Contents
Acronyms
1 Millimeter-Wave Vehicular Communications
1.1 Overview of Vehicular Communications
1.2 Necessity of Millimeter-Wave Technology
1.3 Characteristics of Millimeter-Wave Systems
1.4 Organization of the Monograph
References
2 Millimeter-Wave Massive MIMO Vehicular Channel Modeling
2.1 Introduction of Vehicular Channel Model
2.1.1 Vehicular Channel Characteristics
2.1.2 Recent Vehicular Channel Model
2.1.3 Contributions of Proposed Vehicular Channel Model
2.2 A 3D Non-Stationary Vehicular Channel Model

2.2.1 Model-Related Parameters
2.2.2 Channel Impulse Response
2.3 Vehicular Channel Space-Time-Frequency Non-stationary Modeling
2.3.1 Generation of Dynamic Correlated Clusters and Static Correlated Clusters
2.3.2 Time-Array Evolution of Dynamic Correlated Clusters and Static Correlated Clusters
2.3.2.1 Initialization of Correlated Cluster Sets
2.3.2.2 Array Evolution of Correlated Clusters
2.3.2.3 Time Evolution of Correlated Clusters
2.3.2.4 Time-Array Evolution of Correlated Clusters
2.4 Simulations
2.4.1 Statistical Properties Analysis

2.4.1.1 Space-Time-Frequency Correlation Function
2.4.1.2 Doppler Power Spectral Density
2.4.2 Simulation Setting
2.4.3 Simulation Results of the Proposed Model
2.4.4 Model Validation
2.4.5 Model Application
2.5 Discussions and Summary
References
3 Millimeter-Wave Vehicular Channel Estimation
3.1 Background
3.1.1 Necessity of Doubly-Selective Channel Estimator
3.1.2 Design Objectives and Proposed Approaches
3.2 System and Channel Models
3.2.1 System Model
3.2.2 Channel Models
3.2.3 Input-Output Relationship

3.3 Channel Estimation via Exploiting Double Sparsity
3.3.1 Proposed Training Pattern
3.3.2 Identification of Effective Taps
3.3.3 Identification of Effective Beams
3.3.4 Identification of Beam Amplitudes
3.4 Simulations
3.4.1 Tap Identification
3.4.2 NMSE in Static Wideband Channels
3.4.3 NMSE in Frequency-Flat Time-Varying Channels
3.4.3.1 NMSE in Doubly-Selective Channels
3.5 Discussions and Summary
References
4 Generic Millimeter-Wave Multi-User Transceiver Design
4.1 Background
4.1.1 Introduction of Multi-User Massive MIMO

4.1.2 Design Objectives and Proposed Approach
4.2 System Description and Problem Formulation
4.2.1 System and Channel Models
4.2.2 Input-Output Relationship
4.2.3 Problem Formulation
4.2.4 Design Strategy
4.3 Mutual Information (MI) Bounds
4.3.1 MI Upper-Bound
4.3.2 MI Lower-Bound
4.3.3 MI Relationship
4.3.4 HBD Optimality
4.4 Transceiver Design
4.4.1 Analog-Domain Processing
4.4.1.1 MBS
4.4.1.2 MAS
4.4.1.3 Subcarrier Down-Sampling
4.4.2 Digital-Domain Processing
4.4.2.1 First-Step Digital-processing
4.4.2.2 Second-Step Digital-processing