无线通信基础 英文版2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

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1 Introduction1

1.1 Book objective1

1.2 Wireless systems2

1.3 Book outline5

2　The wireless channel10

2.1　Physical modeling for wireless channels10

2.1.1 Free space.fixed transmit and receive antennas12

2.1.2 Free space.moving antenna13

2.1.3 Reflecting wall,fixed antenna14

2.1.4 Reflecting wall,moving antenna16

2.1.5 Reflection from a ground plane17

2.1.6　Power decay with distance and shadowing18

2.1.7 Moving antenna,multiple reflectors19

2.2 Input/output model of the wireless channel20

2.2.1 The wireless channel as a linear time-varying system20

2.2.2 Baseband equivalent model22

2.2.3 A discrete-time baseband model25

Discussion 2.1　Degrees of freedom28

2.2.4 Additive white noise29

2.3　Time and frequency coherence30

2.3.1　Doppler spread and coherence time30

2.3.2　Delay spread and coherence bandwidth31

2.4 Statistical channel models34

2.4.1 Modeling philosophy34

2.4.2 Rayleigh and Rician fading36

2.4.3　Tap gain auto-correlation function37

Example 2.1　Clarke's model38

Chapter 2　The main plot40

2.5 Bibliographical notes42

2.6 Exercises42

3　Point-to-point communication:detection,diversity,and channel uncertainty49

3.1　Detection in a Rayleigh fading channel50

3.1.1 Non-coherent detection50

3.1.2 Coherent detection52

3.1.3 From BPSK to QPSK:exploiting the degrees of freedom56

3.1.4　Diversity59

3.2 Time diversity60

3.2.1 Repetition coding60

3.2.2 Beyond repetition coding64

Summary 3.1　Time diversity code design criterion68

Example 3.1　Time diversity in GSM69

3.3 Antenna diversity71

3.3.1 Receive diversity71

3.3.2　Transmit diversity:space-time codes73

3.3.3 MIMO:a 2×2 example77

Summary 3.2　2×2 MIMO schemes82

3.4 Frequency diversity83

3.4.1 Basic concept83

3.4.2 Single-carrier with ISI equalization84

3.4.3　Direct-sequence spread-spectrum91

3.4.4　Orthogonal frequency division multiplexing95

Summary 3.3　Communication over frequency-selective channels101

3.5 Impact of channel uncertainty102

3.5.1 Non-coherent detection for DS spread-spectrum103

3.5.2　Channel estimation105

3.5.3 Other diversity scenarios107

Chapter 3　The main plot109

3.6 Bibliographical notes110

3.7 Exercises111

4　Cellular systems:multiple access and interference management120

4.1 Introduction120

4.2 Narrowband cellular systems123

4.2.1 Narrowband allocations:GSM system124

4.2.2 Impacton network and system design126

4.2.3 Impact on frequency reuse127

Summary 4.1　Narrowband systems128

4.3 Wideband systems:CDMA128

4.3.1 CDMA uplink131

4.3.2 CDMA downlink145

4.3.3 System issues147

Summary 4.2　CDMA147

4.4 Wideband systems:OFDM148

4.4.1 Allocation design principles148

4.4.2　Hopping pattern150

4.4.3 Signal characteristics and receiver design152

4.4.4 Sectorization153

Example 4.1　Flash-OFDM153

Chapter 4　The main plot154

4.5 Bibliographical notes155

4.6 Exercises155

5 Capacity of wireless channels166

5.1 AWGN channel capacity167

5.1.1 Repetition coding167

5.1.2　Packing spheres168

Discussion 5.1　Capacity-achieving AWGN channel codes170

Summary 5.1　Reliable rate of communication and capacity171

5.2 Resources of the AWGN channel172

5.2.1 Continuous-time AWGN channel172

5.2.2　Power and bandwidth173

Example 5.2　Bandwidth reuse in cellular systems175

5.3 Linear time-invariant Gaussian channels179

5.3.1 Single input multiple output(SIMO)channel179

5.3.2　Multiple input single output(MISO)channel179

5.3.3 Frequency-selective channel181

5.4 Capacity of fading channels186

5.4.1 Slowfading channel187

5.4.2 Receive diversity189

5.4.3　Transmit diversity191

Summary 5.2　Transmit and receive diversity195

5.4.4　Time and frequency diversity195

Summary 5.3　Outage for parallel channels199

5.4.5 Fast fading channel199

5.4.6　Transmitter side information203

Example 5.3　Rate adaptation in IS-856209

5.4.7　Frequency-selective fading channels213

5.4.8 Summary:a shift in point of view213

Chapter 5　The main plot214

5.5 Bibliographical notes217

5.6 Exercises217

6　Multiuser capacity and opportunistic communication228

6.1 Uplink AWGN channel229

6.1.1 Capacity via successive interference cancellation229

6.1.2 Comparison with conventional CDMA232

6.1.3 Comparison with orthogonal multiple access232

6.1.4 General K-user uplink capacity234

6.2　Downlink AWGN channel235

6.2.1 Symmetric case:two capacity-achieving schemes236

6.2.2 General case:superposition coding achieves capacity238

Summary 6.1　Uplink and downlink AWGN capacity240

Discussion 6.1　SIC:implementation issues241

6.3　Uplink fading channel243

6.3.1 Slow fading channel243

6.3.2 Fast fading channel245

6.3.3 Full channel side information247

Summary 6.2　Uplink fading channel250

6.4　Downlink fading channel250

6.4.1 Channel side information at receiver only250

6.4.2　Full channel side information251

6.5 Frequency-selective fading channels252

6.6 Multiuser diversity253

6.6.1 Multiuser diversity gain253

6.6.2 Multiuser versus classical diversity256

6.7 Multiuser diversity:system aspects256

6.7.1 Fair scheduling and multiuser diversity258

6.7.2 Channel prediction and feedback262

6.7.3 Opportunistic beamforming using dumb antennas263

6.7.4 Multiuser diversity in multicell systems270

6.7.5 A system view272

Chapter 6　The main plot275

6.8 Bibliographical notes277

6.9 Exercises278

7 MIMO Ⅰ：spatial multiplexing and channel modeling290

7.1 Multiplexing capability of deterministic MIMO channels291

7.1.1 Capacity via singular value decomposition291

7.1.2 Rank and conditionnumber294

7.2　Physical modeling of MIMO channels295

7.2.1　Line-of-sight SIMO channel296

7.2.2　Line-of-sight MISO channel298

7.2.3 Antenna arrays with only a line-of-sight path299

7.2.4 Geographically separated antennas300

7.2.5　Line-of-sight plus one reflected path306

Summary 7.1　Multiplexing capability of MMO channels309

7.3 Modeling of MIMO fading channels309

7.3.1 Basic approach309

7.3.2 MIMO multipath channel311

7.3.3 Angular domain representation of signals311

7.3.4 Angular domain representation of MIMO channels315

7.3.5 Statistical modeling in the angular domain317

7.3.6　Degrees of freedom and diversity318

Example 7.1　Degrees of freedom in clustered response models319

7.3.7　Dependency on antenna spacing323

7.3.8 I.i.d.Rayleigh fading model327

Chapter 7　The main plot328

7.4 Bibliographical notes329

7.5 Exercises330

8 MIMO Ⅱ：capacity and multiplexing architectures332

8.1　The V-BLAST architecture333

8.2 Fast fading MIMO channel335

8.2.1 Capacity with CSI at receiver336

8.2.2　Performance gains338

8.2.3 Full CSI346

Summary 8.1　Performance gains in a MIMO channel348

8.3 Receiver architectures348

8.3.1　Linear decorrelator349

8.3.2 Successive cancellation355

8.3.3　Linear MMSE receiver356

8.3.4 Information theoretic optimality362

Discussion 8.1　Connections with CDMA multiuser detection and ISI equalization364

8.4 Slow fading MIMO channel366

8.5 D-BLAST:an outage-optimal architecture368

8.5.1 Suboptimality of V-BLAST368

8.5.2 Coding across transmit antennas:D-BLAST371

8.5.3　Discussion372

Chapter 8　The main plot373

8.6 Bibliographical notes374

8.7 Exercises374

9　MIMO Ⅲ：diversity-multiplexing tradeoff and universal space-time codes383

9.1　Diversity-multiplexing tradeoff384

9.1.1 Formulation384

9.1.2 Scalar Rayleigh channel386

9.1.3　Parallel Rayleigh channel390

9.1.4 MISO Rayleigh channel391

9.1.5　2×2 MIMO Rayleighch annel392

9.1.6 nt×nr MIMO i.i.d.Rayleigh channel395

9.2　Universal code design for optimal diversity-multiplexing tradeoff398

9.2.1 QAM is approximately universal for scalar channels398

Summary 9.1 Approximate universality400

9.2.2 Universal code design for parallel channels400

Summary 9.2 Universal codes for the parallel channel406

9.2.3 Universal code design for MISO channels407

Summary 9.3 Universal codes for the MISO channel410

9.2.4 Universal code design for MIMO channels411

Discussion 9.1 Universal codes in the downlink415

Chapter 9 The main plot415

9.3 Bibliographical notes416

9.4 Exercises417

10 MIMO Ⅳ：multiuser communication425

10.1 Uplink with multiple receive antennas426

10.1.1 Space-division multiple access426

10.1.2 SDMA capacity region428

10.1.3 System implications431

Summary 10.1 SDMA and orthogonal multiple access432

10.1.4 Slow fading433

10.1.5 Fast fading436

10.1.6 Multiuser diversity revisited439

Summary 10.2 Opportunistic communication and multiple receive antennas442

10.2 MIMO uplink442

10.2.1 SDMA with multiple transmit antennas442

10.2.2 System implications444

10.2.3　Fast fading446

10.3　Downlink with multiple transmit antennas448

10.3.1　Degrees of freedom in the downlink448

10.3.2 Uplink-downlink duality and transmit beamforming449

10.3.3　Precoding for interference known at transmitter454

10.3.4　Precoding for the downlink465

10.3.5 Fast fading468

10.4　MIMO downlink471

10.5 Multiple antennas in cellular networks:a system view473

Summary 10.3　System implications of multiple antennas on multiple access473

10.5.1 Inter-cell interference management474

10.5.2 Uplink with multiple receive antennas476

10.5.3 MIMO uplink478

10.5.4　Downlink with multiple receive antennas479

10.5.5　Downlink with multiple transmit antennas479

Example 10.1　SDMA in ArrayComm systems479

Chapter 10　The main plot481

10.6 Bibliographical notes482

10.7 Exercises483

Appendix A　Detection and estimation in additive Gaussian noise496

Appendix B　Information theory from first principles516

References546

Index554