Communication Systems

by Alencar, Marcelo S., Ph.D.; Rocha, Valdemar C. da, Jr.

• ISBN13: 9780387254814
• ISBN10: 0387254811
• Format: Hardcover
• Copyright: 2005-08-01
• Publisher: Springer-Verlag New York Inc

Summary

Presents main concepts of mobile communication systems, both analog and digital Introduces concepts of probability, random variables and stochastic processes and their applications to the analysis of linear systems Includes five appendices covering Fourier series and transforms, GSM cellular systems and more

Author Biography

Valdemar C. da Rocha, Jr. joined the faculty of the Federal University of Pernambuco, Recife, Brazil, as an Associate Professor and founded its Electrical Engineering Postgraduate Programme in 1976. Marcelo Sampaio de Alencar is currently Vice-President Foreign Affairs of SBrT and President of the Institute for Advanced Studies in Communications (Iecom).

Table of Contents

Dedication	v
Preface	xi
Acknowledgments	xiii
Signal Analysis	1	(40)
Introduction	1	(1)
Fourier Analysis	1	(8)
Fourier Transform	9	(8)
Some Properties of the Fourier Transform	17	(6)
The Sampling Theorem	23	(3)
Parseval's Theorem	26	(1)
Average, Power and Autocorrelation	27	(4)
Problems	31	(10)
Probability Theory and Random Processes	41	(58)
Set Theory, Functions and Measure	41	(8)
Probability Theory	49	(4)
Random Variables	53	(6)
Stochastic Processes	59	(14)
Linear Systems	73	(8)
Mathematical Formulation for the Digital Signal	81	(5)
Problems	86	(13)
Speech Coding	99	(42)
Introduction	99	(1)
Signal Coding -- Preliminaries	100	(1)
The Performance of a Signal Compression System	101	(4)
Features of Speech Signals	105	(3)
Pulse Code Modulation	108	(7)
Noise Spectrum for the Uniform Quantizer	115	(8)
Vector Quantization	123	(3)
LPC Parameters	126	(4)
Overview of Speech Coding	130	(1)
Waveform Coding	131	(2)
Parametric and Hybrid Coding	133	(5)
Speech Coder Attributes	138	(1)
Problems	139	(2)
Amplitude Modulation	141	(30)
Introduction	141	(1)
Amplitude Modulation	142	(4)
Amplitude Modulation by Random Signals	146	(3)
Amplitude Modulators	149	(5)
Suppressed Carrier Amplitude Modulation	154	(1)
Spectrum of the AM-SC Signal	154	(2)
AM-VSB Modulation	156	(2)
Amplitude Demodulation	158	(1)
Performance of Amplitude Modulation	159	(2)
Problems	161	(10)
Quadrature Amplitude Modulation	171	(26)
Quadrature Modulation with Random Signals	171	(2)
Single Sideband Amplitude Modulation	173	(6)
ISB Modulation	179	(2)
AM-Stereo	181	(1)
Quadrature Amplitude Demodulation	182	(1)
Performance Evaluation of SSB	183	(1)
Quadrature Modulation with Digital Signal	183	(5)
Problems	188	(9)
Angle Modulation	197	(28)
Introduction	197	(1)
Angle Modulation Using Random Signals	198	(12)
Frequency and Phase Demodulation	210	(4)
Performance Evaluation of Angle Modulation	214	(2)
Angle Modulation with Digital Signal	216	(1)
Problems	217	(8)
Propagation Channels	225	(32)
Basic Concepts	225	(1)
Non-guided Channels	226	(7)
Effects on the Transmitted Signal	233	(2)
The Mobile Communication Channel	235	(1)
Multipath Effects	235	(19)
Problems	254	(3)
Carrier Transmission	257	(22)
Carrier amplification	257	(3)
Features of the Cavity and Solid State Amplifiers	260	(1)
Communication Channels	261	(5)
Microwave Systems	266	(2)
Antennas	268	(3)
Link Budget	271	(4)
Problems	275	(4)
Mobile Cellular Telephony	279	(120)
Introduction	279	(1)
Systems in Commercial Operation	280	(1)
Description of the Cellular System	281	(4)
Frequency Reuse	285	(4)
Management of Channel Utilization	289	(2)
Constitution of the Cellular System	291	(5)
Characteristic Functions of a Cellular Network	296	(4)
Radio Channel Types	300	(3)
Digital Systems	303	(7)
Problems	310	(5)
Appendices
A Fourier Series and Fourier Transform	315	(10)
A.1 Useful Fourier Transforms	317	(6)
A.2 Some Hilbert Transforms	323	(2)
B Formulas and Important Inequalities	325	(8)
C Use of the Radiofrequency Spectrum	333	(6)
D The CDMA Standard	339	(20)
D.1 Introduction	339	(1)
D.2 Spread Spectrum	340	(3)
D.3 Convolutional Coding	343	(2)
D.4 CDMA and the IS-95 Standard	345	(10)
D.5 CDMA 1x EV-DO	355	(1)
D.6 Problems	356	(3)
E The GSM Standard	359	(40)
E.1 Introduction	359	(1)
E.2 System Architecture	360	(4)
E.3 Procedure for Registering the Mobile Station	364	(1)
E.4 Establishing a Call	365	(1)
E.5 Handoff	365	(2)
E.6 Security Parameters	367	(1)
E.7 The GSM Radiotransmission Interface	367	(19)
E.8 Cryptography	386	(1)
E.9 Modulation	386	(1)
E.10 Frequency Hopping	387	(2)
E.11 GSM Services	389	(8)
E.12 EDGE	397	(1)
E.13 Problems	398	(1)
References	399	(8)
About the Authors	407	(4)
Index	411