无线与移动通信中的信号处理技术第1册:信道估计与均衡(英文版)
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作者： [美]贾纳科斯 编著
出 版 社： 人民邮电出版社
出版时间： 2002-11-1字数：版次： 1页数： 434印刷时间： 2002-11-1开本：印次：纸张： 胶版纸I S B N ： 9787115108289包装： 平装编辑推荐
内容简介
《无线与移动通信中的信号处理新技术》丛书，介绍了近年来无线与移动通信中使用的信号处理（SP）工具的最新的重要进展，以及世界范围内该领域的领先者的贡献。本书是两本书中的第1册。本丛书的内容涵盖了范围广泛的技术和方法论，包括噪声与于扰消除、调制解调器设计、移动互联网业务、下一代音频/视频广播、蜂窝移动电话和无线多媒体网络等。
本书（第1册）重点阐述单用户点对点链路的信道识别与均衡的关键技术。由于信息承载信号的在衰落介质中传播的，所以现代的均衡器必须充分考虑移动无线信道的可变性，减小符号间于扰和同（共）信道于扰，并抑制在单个或多个传感器的接收机中的噪声。本书介绍了最近提出的带宽节省（半）盲算法与性能分析，以及线性预编码技术，这些技术利用发射冗余使基于训练序列的系统获得明显的改善。本书内容包括：
* 盲识别与反卷积的子空间方法
* 有色信号驱动的信道的盲识别与均衡
* 最优子空间方法；多信道均衡的线性预测算法
* FIR多信道估计的半盲方法
* 盲判决反馈均衡等
本书还介绍了在世界范围内各种期刊中的研究成果，全面汇集了用于优化单用户点点链路的先进信号处理技术。本书对于通信工程师、研究人员、管理人员、通信系统读者论坛人员和参与最新通信系统设计或构造的同行将是极有价值的。
作者简介
目录
PREFACE xi
1 CHANNEL ESTIMATION AND EQUALIZATION USING HIGHER-ORDER STATISTICS 1
1.1 Introduction 1
1.2 Single-User Systems :Baud Rate Sampling 4
1.2.1 Cumulant Matching 4
1.2.2 Inverse Filter Criteria 8
1.2.3 Equation Error Formulations 8
1.2.4 Simulation Examples 8
1.3 Single-user Systems :Fractional Sampling 12
1.3.1 Cumulant Matching 13
1.3.2 Simulation Example 20
1.4 Multi-user Systems 24
1.4.1 Inverse Filter Criteria 26
1.4.2 Cumulant Matching 28
1.4.3 Simulation Examples 31
1.5 Concluding Remarks 35
Bibliography 37
2 PERFORMANCE BOUNDS FOR BLIND CHANNEL ESTIMATION 41
2.1 Introduction 42
2.2 Problem Statement and Preliminaries 42
2.2.1 The Blind Channel Identification Problem 42
2.2.2 Ambiguity Elimination 44
2.2.3 The Unconstrained FIM 46
2.2.4 Achievability of the CRB 47
2.3 CRB for Constrained Estimates 48
2.4 CRB for Estimates of Invariants 49
2.5 CRB for Projection Errors 52
2.6 Numerical Examples 53
2.7 Concluding Remarks 58
Appendix 2.A Proof of Proposition 2 59
Bibliography 61
3 SUBSPACE METHOD FOR BLIND IDENTIFICATION AND DECONVOLUTION 63
3.1 Introduction 63
3.2 Subspace Identification of SIMO Channels 65
3.2.1 Practical Considerations 69
3.2.2 Simplifications in the Two-Channel Case 70
3.3 Subspace Identification of MIMO Channels 71
3.3.1 Rational Spaces and Polynomial Bases 72
3.3.2 The Structure of the Left Nullspace of a Sylvester Matrix 76
3.3.3 The Subspace Method 78
3.3.4 Advanced Results 82
3.4 Applications to the Blind Channel Estimation of CDMA Systems 84
3.4.1 Model Structure 84
3.4.2 The Structured Subspace Method: The Uplink Case 88
3.4.3 The Structured Subspace Method: The Downlink Case 89
3.5 Undermodeled Channel Identification 92
3.5.1 Example: Identifying a Significant Part of a Channel 99
3.5.2 Determining the Effective Impulse Response Length 100
Appendix 3.A 102
3.A.1 Proof of Theorem 1 103
3.A.2 Proof of Proposition 3 104
3.A.3 Proof of Theorem 4 105
3.A.4 Proof of Proposition 5 106
Bibliography 108
4 BLIND IDENTIFICATION AND EQUALIZATION OF CHANNELS DRIVEN BY COLORED SIGNALS 113
4.1 Introduction 114
4.2 FIR MIMO Channel 115
4.2.1 Original Model 115
4.2.2 Slide-Window Formulation 115
4.2.3 Noise Variance and Number of Input Signals 116
4.3 Identifiability Using SOS 117
4.3.1 Identifiability Conditions 117
4.3.2 Some Facts of Polynomial Matrices 118
4.3.3 Proof of the Conditions 120
4.3.4 When the Input is White 121
4.4 Blind Identification via Decorrelation 121
4.4.1 The Principle of the BID 121
4.4.2 Constructing the Decorrelators 126
4.4.3 Removing the GCD of Polynomials 128
4.4.4 Identification of the SIMO Channels 130
4.5 Final Remarks 135
Bibliography 135
5 OPTIMUM SUBSPACE METHODS 139
5.1 Introduction 139
5.2 Data Model and Notations 140
5.2.1 Scalar Valued Communication Systems 140
5.2.2 Multi Channel Communication Systems 141
5.2.3 A Stacked System Model 143
5.2.4 Correlation Matrices 145
5.2.5 Statistical Assumptions 147
5.3 Subspace Ideas and Notations 148
5.3.1 Basic Notations 149
5.4 Parameterizations 151
5.4.1 A Noise Subspace Parameterization 151
5.4.2 Selection Matrices 153
5.5 Estimation Procedure 154
5.5.1 The Signal Subspace Parameterization 155
5.5.2 The Noise Subspace Parameterization 156
5.6 Statistical Analysis 156
5.6.1 The Residual Covariance Matrices 157
5.6.2 The Parameter Covariance Matrices 159
5.7 Relation to Direction Estimation 161
5.8 Further Results for the Noise Subspace Parameterization 162
5.8.1 The Results 163
5.8.2 The Approach 163
5.9 Simulation Examples 164
5.10 Conclusions 171
Appendix 5.A 173
Bibliography 174
6 LINEAR PREDICTIVE ALGORITHMS FOR BLIND MULTICHANNEL IDENTIFICATION 179
6.1 Introduction 179
6.2 Channel Identification Based on Second Order Statistics: Problem Formulation 181
6.3 Linear Prediction Algorithm for Channel Identification 183
6.4 Outer-Product Decomposition Algorithm 185
6.5 Multi-step Linear Prediction 188
6.6 Channel Estimation by Linear Smoothing (Not Predicting) 189
6.7 Channel Estimation by Constrained Output Energy Minimization 192
6.8 Discussion 195
6.8.1 Channel Conditions 195
6.8.2 Data Conditions 196
6.8.3 Noise Effect 196
6.9 Simulation Results 197
6.10 Summary 198
Bibliography 207
7 SEMI-BLIND METHODS FOR FIR MULTICHANNEL ESTIMATION 211
7.1 Introduction 212
7.1.1 Training Sequence Based Methods and Blind Methods 212
7.1.2 Semi-Blind Principle 213
7.2 Problem Formulation 214
7.3 Classification lf Semi-Blind Methods 217
7.4 Identifiability Conditions for Semi-Blind Channel Estimation 218
7.4.1 Identifiability Definition 218
7.4.2 TS Based Channel Identifiability 219
7.4.3 Identifiability in the Deterministic Model 219
7.4.4 Identifiability in the Gaussian Model 222
7.5 Performance Measure: Cramer-Rao Bounds 224
7.6 Performance Optimization Issues 226
7.7 Optimal Semi-Blind Methods 227
7.8 Blind DML 229
7.8.1 Denoised IQML (DIQML) 230
7.8.2 Pseudo Quadratic ML (PQML) 231
7.9 Three Suboptimal DML Based Semi-Blind Criteria 232
7.9.1 Split of the Data 232
7.9.2 Least Squares-DML 232
7.9.3 Alternating Quadratic DML (AQ-DML) 233
7.9.4 Weighted-Least-Squares-PQML (WLS-PQML) 235
7.9.5 Wimulations 236
7.10 Semi-Blind Criteria as a Combination of a Blind and a TS Based Criteria 236
7.10.1 Semi-Blind SRM Example 237
7.10.2 Subspace Fitting Example 239
7.11 Performance of Semi-Blind Quadratic Criteria 242
7.11.1 MU and MK infinite 243
7.11.2 MU infinite, MK finite 243
7.11.3 Optimally Weighted Quadratic Criteria 247
7.12 Gaussian Methods 247
7.13 Conclusion 249
Bibliography 250
8 A GEOMETRICAL APPROACH TO BLIND SIGNAL ESTIMATION 255
8.1 Introduction 256
8.2 Design Criteria for Blind Estimators 258
8.2.1 The Constant Modulus Receiver 260
8.2.2 The Shalvi-Weinstein Receiver 261
8.3 The Signal Space Property and Equivalent Cost Functions 263
8.3.1 The Signal Space Property of CM Receivers 263
8.3.2 The Signal Space Property of SW Receivers 264
8.3.3 Equivalent Cost Functions 265
8.4 Geometrical Analysis of SW Receivers: Global Characterization 266
8.4.1 The Noiseless Case 268
8.4.2 The Noisy Case 270
8.4.3 Domains of Attraction of SW Receivers 275
8.5 Geometrical Analysis of SW Receivers: Local Characterizations 277
8.5.1 Local Characterization 277
8.5.2 MSE of CM Receivers 281
8.6 Conclusion and Bibliography Notes 282
8.6.1 Bibliography Notes 283
Appendix 8.A Proof of Theorem 5 285
Bibliography 288
9 LINEAR PRECODING FOR ESTIMATION AND EQUALIZATION OF FREQUENCY-SELECTIVE CHANNELS 291
9.1 System Model 293
9.2 Unifying Filterbank Precoders 296
9.3 FIR-ZF Equalizers 301
9.4 Jointly Optimal Precoder and Decoder Design 306
9.4.1 Zero-order Model 306
9.4.2 MMSE/ZF Coding 308
9.4.3 MMSE Solution wit Constrained Average Power 309
9.4.4 Constrained Power Maximum Information Rate Design 311
9.4.5 Comparison Between Optimal Designs 313
9.4.6 Asymptotic Performance 317
9.4.7 Numerical Examples 318
9.5 Blind Symbol Recovery 320
9.5.1 Blind Channel Estimation 322
9.5.2 Comparison with Other Blind Techniques 324
9.5.3 Statistical Efficiency 330
9.6 Conclusion 332
Bibliography 332
10. BLIND CHANNEL IDENTIFIABILITY WITH AN ARBITRARY LINEAR PRECODR 339
10.1 Introduction 339
10.2 Basic Theory of Polynomial Equations 344
10.2.1 Definition of Generic 344
10.2.2 General Properties of Polynomial Maps 344
10.2.3 Generic and Non-Generic Points 346
10.2.4 Invertibility Criteria 347
10.3 Inherent Scale Ambiguity 348
10.4 Weak Identifiability and the CRB 348
10.5 Arbitrary Linear Precoders 349
10.6 Zero Prefix Precoders 351
10.7 Geometric Interpretation of Precoding 354
10.7.1 Linear Precoders 354
10.7.2 Zero Prefix Precoders 355
10.8 Filter Banks 355
10.8.1 Algebraic Analysis of Filter Banks 357
10.8.2 Spectral Analysis of Filter Banks 358
10.9 Ambiguity Resistant Precoders 360
10.10 Symbolic Methods 361
10.11 Conclusion 362
Bibliography 363
11 CURRENT APPROACHES TO BLIND DECISION FEEDBACK EQUALIZATION 367
11.1 Introduction 367
11.2 Notation 370
11.3 Data Model 373
11.4 Wiener Filtering 374
11.4.1 Unconstrained Length MMSE Receivers 375
11.4.2 Constrained Length MMSE Receivers 377
11.4.3 Example: Constrained Versus Unconstrained Length Wiener Receivers 379
11.5 Blind Tracking Algorithms 380
11.5.1 DD-DFE 381
11.5.2 CMA-DFE 388
11.5.3 Algorithmic and Structural Modifications 389
11.5.4 Summary of Blind Tracking Algorithms 391
11.6 DFE Initialization Strategies 391
11.6.1 Generic Strategy 391
11.6.2 Multistage Equalization 395
11.6.3 CMA-IIR Initialization 397
11.6.4 Local Stability of Adaptive IIR Equalizers 398
11.6.5 Summary of Blind Initialization Strategies 399
11.7 Conclusion 400
Appendix 11.A Spectral Factorization 402
Appendix 11.B CL-MMSE-DFE 403
Appendix 11.C DD-DFE Local Convergence 405
Appendix 11.D Adaptive IIR Algorithm Updates 406
Appendix 11.E CMA-AR Local Stability 409
Bibliography 411
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