Cdma Mobile Radio Design

✍ Scribed by John B. Groe, Lawrence E. Larson

• Publisher: Artech House
• Year: 2000
• Tongue: English
• Leaves: 362
• Series: Mobile communications series
• Category: Library

✦ Synopsis

A presentation of the complete design background of a CDMA handset, including hardware and software, digital, analogue and RF. It delivers an integral understanding of where this essential piece of communications technology fits into the CDMA ''big picture'' and the basic parts that make it work. Such an approach is aimed to provide engineers with a complete understanding of how handset hardware and software design affect system performance.

✦ Table of Contents

CDMA Mobile Radio Design......Page 1
Copyright......Page 4
Contents......Page 5
Preface......Page 11
Ch1 Introduction to Wireless Communications......Page 14
1.1 Network Architecture for Cellular Wireless Communications......Page 15
1.2 Data Communication Techniques......Page 17
1.3 Protocols for Wireless Communications......Page 18
1.4.1 Path Loss......Page 20
1.4.2 Multipath Fading......Page 21
1.4.3 Modeling the Communication Channel......Page 27
1.5 Wireless Standards......Page 29
References......Page 32
2.1 Direct-Sequence Spread-Spectrum Communications......Page 34
2.1.1 Spreading Codes......Page 37
2.1.2 Spread-Spectrum Performance......Page 40
2.2.1 Forward Link......Page 42
2.2.2 Reverse link......Page 47
2.2.3 Power Control Algorithm......Page 51
2.2.4 Performance Summary......Page 52
References......Page 53
Ch3 Digital System......Page 56
3.1.1 The MCU......Page 57
3.1.2 The DSP......Page 58
3.2 MCU Functions......Page 59
3.2.2 Power Management......Page 60
3.3.1 The Sampling Theorem......Page 62
3.3.2 Sample Rate Conversion......Page 65
3.3.3 Digital Filters......Page 68
3.3.4 Fast Fourier Transforms......Page 70
3.3.5 Windowing Operations......Page 71
3.3.6 Detection Process......Page 73
References......Page 77
Ch4 Speech Coding......Page 80
4.1 Characteristics of Human Speech......Page 81
4.2 Speech-Coding Algorithms......Page 82
4.2.1 Waveform Coders......Page 83
4.2.2 Vocoders......Page 85
4.2.2.1 Channel Coders......Page 86
4.2.2.2 Linear Predictive Coders......Page 87
4.2.2.3 RPE-LTP Algorithm......Page 91
4.2.2.4 Code Excited LPC Algorithms......Page 92
4.2.3 Speech Coders for Wireless Communication Systems......Page 95
4.3 Speech Quality......Page 96
References......Page 98
5.1 Digital Modulator......Page 100
5.1.1 Synchronization......Page 101
5.1.2 Channel Coding......Page 104
5.1.3 Signal Filtering......Page 107
5.2 Digital Demodulator......Page 113
5.2.1 Pilot Acquisition......Page 114
5.2.2 Carrier Recovery......Page 116
5.2.3 Signal Leveling......Page 119
5.2.4 Data Detection......Page 122
5.2.5 Data Recovery......Page 126
References......Page 131
Ch6 Data Converters......Page 134
6.1.1 Ideal Sampling Process......Page 135
6.1.2 Nonideal Effects......Page 139
6.2 A/D Converter Architectures......Page 140
6.2.1 Parallel A/D Converters......Page 141
6.2.2 Multistage A/D Converters......Page 142
6.2.3 Algorithmic A/D Converters......Page 145
6.2.4 Noise-Shaping A/D Converters......Page 147
6.3.1 Ideal Process......Page 153
6.3.2 Nonideal Effects......Page 154
6.4.1 Scaling D/A Converter Concepts......Page 158
References......Page 159
Ch7 RF System Fundamentals......Page 162
7.1.1 Duplex Operation......Page 163
7.1.2 Frequency Translation......Page 164
7.1.3 Phase Modulation......Page 165
7.1.4 Noise......Page 167
7.1.5 Distortion......Page 170
7.2 Frequency Synthesis......Page 174
7.2.2 PLL Operation in Synchronous Mode......Page 175
7.2.3 PLL Nonideal Effects......Page 178
7.3 Transmitter System......Page 180
7.3.2 Spectral Regrowth......Page 181
7.3.3 Noise......Page 183
7.3.4 Gain Distribution......Page 185
7.4 Receiver System......Page 186
7.4.1 Sensitivity......Page 188
7.4.2 Selectivity......Page 189
7.4.3 Bit Error Rate and Frame Error Rate......Page 194
7.4.4 Gain Distribution......Page 195
References......Page 197
Ch8 RF Transmitter Circuits......Page 200
8.1 I/Q Modulator......Page 201
8.1.1 Nonideal Effects in the I/Q Modulator......Page 202
8.1.2 l/Q Modulator Circuit Techniques......Page 203
8.2 Power Control in the RF Transmitter......Page 206
8.3 Upconverter Design......Page 208
8.4 SAW Filter Technology......Page 209
8.5 Power Amplifiers for Transmitter Applications......Page 213
8.5.1 PA Design Specifications......Page 215
8.5.2 PA Design Techniques......Page 217
8.5.3 Devices for PAs......Page 223
References......Page 226
9.1 RF LNAs......Page 228
9.2 Downconversion Mixers......Page 239
9.2.1 Passive Mixer Design......Page 243
9.2.2 Active -Mixer Design......Page 247
9.3 Automatic Level Control......Page 250
9.4 I/Q Demodulator......Page 251
9.5 Baseband Channel Select Filters......Page 253
References......Page 260
Ch10 Next-Generation CDMA......Page 264
10.1.1 Next-Generation CDMA & Physical Channel......Page 265
10.1.2 Multirate Design in Next-Generation CDMA......Page 266
10.1.3 Spreading Technique for Next-Generation CDMA......Page 270
10.1.4 Advanced Error Control Techniques for Next-Generation CDMA......Page 274
10.1.6 Interoperability in Next-Generation CDMA......Page 279
10.2 Single-Carrier CDMA Option......Page 280
10.2.1 Forward link in the Single-Carrier Option......Page 281
10.2.2 Reverse link of Single-Carrier Option......Page 283
10.2.3 Acquisition and Synchronization......Page 286
10.2.4 Fast Power Control......Page 287
10.2.5 Air Interface for the Single-Carrier Option......Page 289
10.3 TDD CDMA Option......Page 290
10.4 Multicarrier CDMA Option......Page 291
10.4.1 Fotward Link for the Multicarrier Option......Page 292
10.4.2 Reverse Link of the Multicarrier Option......Page 294
10.4.3 Power Control......Page 295
References......Page 296
11.1 Advances in Digital Signal Processing......Page 298
11.1.1 DSP Performance......Page 299
11.1.2 Improvements to the Digital Receiver......Page 300
11.1.2.1 Interference Rejection......Page 302
11.1.2.2 Multiuser Detection and the Near-Far Problem......Page 304
11.2.1 Image Rejection Techniques......Page 307
11.2.2 Direct Conversion Receivers......Page 311
11.2.3 Digital IF Receivers......Page 314
11.3 Advanced RF Transmitters......Page 317
11.3.1 Direct Conversion Transmitters......Page 318
11.3.2 SSB Techniques......Page 319
11.3.3 Predistortion Techniques for Amplifier linearization......Page 321
11.3.4 Feedfotward PAs......Page 324
11.3.5 Linearized PAs With Nonlinear Circuits......Page 326
11.4 Advanced Frequency Synthesizers......Page 330
References......Page 334
Glossary......Page 338
About the Authors......Page 344
Index......Page 346
Recent Titles in Artech House Mobile Communications Series......Page 360