V
Contents
Pr efac e xi
ch a P te r 1 evo lu ti o n o f Mu lt iP le xi n g tech niq u es i n
Wire les s co M Mun i cati o ns sys te M s 1
1.1 Introduction 1
1.2 Evolution of Mobile Cellular Networks 2
1.2.1 First-Generation Cellular Systems 2
1.2.2 Second-Generation Cellular Systems 3
1.2.3 ird-Generation Cellular Systems 3
1.2.4 Future Broadband Wireless Communication 4
1.3 Evolution of Multiplexing Techniques 4
1.3.1 Frequency Division Multiplexing Access
(FDMA) Technique 4
1.3.2 Time Division Multiplexing Access
(TDMA) Technique 6
1.3.3 Code Division Multiple Access (CDMA)
Technique 6
1.3.4 Orthogonal Frequency Division
Multiplexing (OFDM) in 4G 6
1.3.4.1 OFDM Pros and Cons 7
1.4 Key Technologies 8
1.4.1 Generalized Frequenc ...