Cellular radio performance engineering

Title:

Personal Author:

Mehrotra, Asha

Publication Information:

Boston : Artech House, 1994

ISBN:

9780890067482

Subject Term:

Cellular radio -- Equipment and supplies -- Design and construction

Cellular radio -- Reliability

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000002935637	TK6570.M6 M44 1994	Open Access Book	Book	Searching... Unknown

Summary

This authoritative book focuses on the vital aspects of cellular radio system modeling and performance analysis.

Author Notes

Asha Mehrotra gained his Ph.D. in Communications from the Polytechnic Institute of New York, Brooklyn.

Mehrotra is currently Principal Member of the Technical Staff at the Analytic Sciences Corporation in Virginia, where he has been working since 1986. He is the author of Cellular Radio: Analog and Digital Systems (Artech House, 1994) and Cellular Radio: Performance Engineering (Artech House, 1994).

052

Preface	p. xiii
Chapter 1 Introduction to Cellular Mobile Radio	p. 1
1.1 A Brief History of Mobile Communication	p. 1
1.2 Organization of the Book	p. 5
References	p. 6
Chapter 2 Mathematical Background	p. 7
2.1 Introduction	p. 7
2.2 Statistical Theory	p. 8
2.2.1 Definitions and Axioms of Probability Theory	p. 8
2.2.2 Joint, Marginal, and Conditional Probabilities	p. 10
2.2.3 Random Variables, Probability Distribution, and Probability Densities	p. 12
2.2.4 Tchebycheff Inequality	p. 17
2.2.5 Transformation of Random Variables	p. 18
2.2.6 Some Useful Probability Distributions	p. 20
2.2.7 Level Crossing Rate and Average Duration of Fades	p. 33
2.2.8 Random Process Description	p. 35
2.2.9 Power Spectral Density	p. 36
2.2.10 Linear Time-Invariant Systems	p. 37
2.2.11 Quadrature Representation of Narrowband Noise	p. 38
2.3 Conclusions	p. 40
Problems	p. 40
Appendix 2A	p. 42
References	p. 46
Chapter 3 Cellular Environment	p. 47
3.1 Introduction	p. 47
3.2 Statistics of Short- and Long-Term Fading	p. 50
3.2.1 Short-Term Statistics	p. 52
3.2.2 Combined Short- and Long-Term Statistics	p. 59
3.3 Spectral Density of the Received Signal	p. 60
3.4 Level Crossing	p. 67
3.5 Spatial Correlation of Electric and Magnetic Fields	p. 71
3.6 Correlation Between Two Signals: Coherence Bandwidth	p. 77
3.7 Channel Simulator Design	p. 82
3.8 Environmental Noise	p. 83
3.8.1 Ignition Noise	p. 84
3.9 Conclusions	p. 87
Problems	p. 87
References	p. 88
Chapter 4 Propagation	p. 91
4.1 Introduction	p. 91
4.2 Expressing Propagation Characteristics	p. 94
4.2.1 Transmission-Related Parameters	p. 94
4.2.2 Terrain Parameters	p. 101
4.3 Free-Space Propagation	p. 104
4.3.1 Relation Between Transmitted Power and Receive Field Intensity	p. 104
4.3.2 Free-Space Loss	p. 107
4.4 Propagation over Flat Earth	p. 109
4.4.1 Complex Permittivity Equation	p. 115
4.4.2 Reflection Coefficient	p. 116
4.5 Effects of the Earth's Curvature	p. 118
4.6 Concept of Equivalent Earth's Radius	p. 121
4.6.1 Bullington 3 Loss Method over Smooth Spherical Earth	p. 123
4.7 Volumes of Radio Transmission: Fresnel Zone	p. 126
4.8 Propagation over a Knife Edge	p. 133
4.8.1 Multiple Knife-Edge Diffraction	p. 136
4.9 Rough-Surface Criteria	p. 141
4.10 UHF Propagation Models	p. 144
4.10.1 General Test Models at UHF	p. 156
4.10.2 Test Results	p. 159
4.10.3 Adjustment to Models	p. 164
4.11 Conclusions	p. 171
Problems	p. 172
References	p. 174
Chapter 5 Antenna Systems	p. 177
5.1 Introduction	p. 177
5.2 Antenna Gain	p. 178
5.2.1 Composite Gain of Two Antennas	p. 185
5.2.2 Polarization	p. 189
5.2.3 Bandwidth	p. 190
5.3 Cell-Site Antennas	p. 190
5.4 Mobile Antennas	p. 194
5.5 Ancillary Devices	p. 204
5.5.1 Comluner	p. 205
5.5.2 Receiver Multicoupler	p. 210
5.5.3 Duplexer	p. 213
5.5.4 Transmission Line	p. 215
5.6 Problems with Cellular Antennas	p. 217
5.6.1 Dead Spot Problem	p. 217
5.6.2 Isolation Between Transmit and Receiver Antennas	p. 218
5.6.3 Anterna Mounting	p. 222
5.7 Receiver Noise Considerations	p. 223
5.7.1 Noise Equivalent Bandwidth	p. 223
5.7.2 Noise Figure (Effective Noise Temperature)	p. 226
5.7.3 Network in Cascade	p. 228
5.8 Intermodulation	p. 231
5.9 Conclusions	p. 235
Problems	p. 236
References	p. 239
Chapter 6 Cochannd and Adjacent-Channel Interference	p. 241
6.1 Introduction	p. 241
6.2 Cochannel Interference	p. 242
6.2.1 Probaoilistic Model	p. 250
6.2.2 Cochannel Interference Avoidance	p. 256
6.3 Adjacent-Channel Interference	p. 261
6.3.1 Adjacent-Channel Interference Control	p. 262
6.4 Near-End To Far-End Ratio	p. 267
6.5 Conclusions	p. 269
Problems	p. 270
References	p. 271
Chapter 7 Analog and Digital Modulation	p. 273
7.1 Introduction	p. 273
7.2 Analog Angls (FM and PM) Modulation	p. 276
7.2.1 Characteristics of Angle Modulation	p. 276
7.2.2 FM Spectra	p. 278
7.2.3 Geneation of FM Signals	p. 281
7.2.4 FM Pemodulators	p. 285
7.3 Detailed Digital Technical Requirements	p. 290
7.3.1 Spectal Efficient Modulation Techniques	p. 291
7.3.2 Adjacent-Channel Interference	p. 293
7.3.3 Good BER Performance	p. 293
7.3.4 Efficent Use of dc Power	p. 294
7.3.5 Applicability to the Cellular Environment	p. 295
7.3.6 Implementation Ease	p. 295
7.4 Digital Modulation	p. 295
7.4.1 BFSK Modulation	p. 295
7.4.2 BPSK Modulation	p. 301
7.4.3 QPSK and OQPSK Modulation	p. 307
7.5 Actual Modulations Used in Mobile Communications	p. 315
7.5.1 MSK Modulation	p. 315
7.5.2 GMSK Modulation	p. 327
7.5.3 [pi]/4 DQPSK Modulation	p. 333
7.6 Tamed Frequency Modulation	p. 341
7.7 Conclusions	p. 344
Problems	p. 344
References	p. 347
Chapter 8 Diversity and Combining	p. 349
8.1 Introduction	p. 349
8.2 Diversity Techniques	p. 351
8.2.1 Time Diversity	p. 351
8.2.2 Frequency Diversity	p. 352
8.2.3 Space Diversity	p. 352
8.2.4 Angle Diversity (Direction Diversity)	p. 357
8.2.5 Field Component Diversity	p. 361
8.2.6 Polarization Diversity	p. 362
8.2.7 Rake Diversity	p. 362
8.3 Predetection and Postdetection Combiners	p. 362
8.4 Combining Techniques	p. 366
8.4.1 Details of the Scanning Diversity Combiner	p. 371
8.4.2 Selection Combining	p. 375
8.4.3 Maximal Ratio Combining	p. 379
8.4.4 Equal Gain Combining	p. 382
8.5 Effects of Diversity on FSK Modulation	p. 386
8.6 Comparison of Selection, Maximal Ratio, and Equal Gain Combining Techniques	p. 389
8.7 Conclusions	p. 390
Problems	p. 390
References	p. 392
Chapter 9 Signal Processing and Coding	p. 395
9.1 Introduction	p. 395
9.2 Signal Processing	p. 397
9.2.1 Characteristics of Baseband Signals	p. 397
9.2.2 Baseband Filtering Requirements	p. 404
9.2.3 Fundamentals of Phase Locked Loop	p. 409
9.2.4 Barker Code Recovery	p. 434
9.2.5 Equalizer	p. 435
9.2.6 Voice Processing in FM Systems	p. 441
9.3 Block Coding	p. 447
9.3.1 Shannon Bound	p. 448
9.3.2 Hard and Soft Decisions	p. 449
9.3.3 Code Rate, Redundancy, Weight, and Distance	p. 455
9.3.4 Throughput and Coding Gain	p. 456
9.3.5 Message Requirements in Coded Communication	p. 459
9.3.6 Majority Voting Process (Time Diversity)	p. 463
9.3.7 Interleaving for Burst Error Randomization	p. 464
9.4 Speech Coding	p. 470
9.4.1 Transmission Rates in Speech Coding	p. 471
9.4.2 Residual Excited Linear Prediction Vocoder	p. 474
9.4.3 CELP Speech Coder	p. 483
9.5 Conclusions	p. 484
Problems	p. 485
References	p. 485
Chapter 10 Microcellular Radio Communication: Cordless Telephones and Personal Communication	p. 487
10.1 Introduction	p. 487
10.2 Microcellular Systems	p. 489
10.2.1 Technical and Operational Requirements of Microcellular Systems	p. 492
10.3 Cordless Telephone	p. 499
10.3.1 Technical Requirements	p. 503
10.3.2 Cordless Telephone Versus Cellular Radio	p. 508
10.3.3 Cordless Telephone First Generation CT-1	p. 508
10.3.4 Cordless Telephone Second Generation CT-2	p. 509
10.3.5 Digital European Cordless Telecommunication	p. 514
10.4 PCN Services	p. 518
10.4.1 Comparing PCN to Cellular	p. 519
10.4.2 PCN in Europe	p. 519
10.4.3 PCN in the United States	p. 520
10.4.4 Expected Technical Characteristics of the CDMA System	p. 522
10.5 Conclusions	p. 523
Problems	p. 524
References	p. 525
About the Author	p. 527
Index	p. 529

Available:*

On Order

Summary

Summary

Author Notes

Table of Contents