WiMAX - Loutfi Nuaymi

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Biographie:

Preface and Acknowledgements xv

Abbreviations List xvii

Part One Global Introduction to WiMAX 1

1 Introduction to Broadband Wireless Access 3

1.1 The Need for Wireless Data Transmission 3

1.2 Wireless Networks and Broadband Wireless Access (BWA) 4

1.2.1 Different Types of Data Networks 4

1.2.2 Some IEEE 802 Data Network Standards 5

1.2.3 Cordless WLL Phone Systems 6

1.3 Applications of BWA 8

1.3.1 Wireless is Not Mobile! 10

1.3.2 Synthesis of WiMAX BWA Applications 11

1.4 History of BWA Technologies 11

1.4.1 Video Distribution: LMDS, MMDS and DVB 11

1.4.2 Pre-WiMAX Systems 12

2 WiMAX Genesis and Framework 13

2.1 IEEE 802.16 Standard 13

2.1.1 From 802.16-2004 to 802.16e 14

2.2 WiMAX Forum 15

2.2.1 WiMAX Forum Working Groups 15

2.2.2 WiMAX Forum White Papers 16

2.3 WiMAX Products Certification 16

2.3.1 WiMAX Certifi ed Products 18

2.4 Predicted Products and Deployment Evolution 19

2.4.1 Product Types 19

2.4.2 Products and Deployment Timetable 19

2.5 Other 802.16 Standards 20

2.6 The Korean Cousin: WiBro 21

3 Protocol Layers and Topologies 23

3.1 The Protocol Layers of WiMAX 23

3.2 Convergence Sublayer (CS) 25

3.3 Medium Access Control Common Part Sublayer (MAC CPS) 25

3.4 Security Sublayer 25

3.5 PHYsical Layer 26

3.5.1 Single Carrier (SC) and OFDM 27

3.6 Network Management Reference Model 28

3.7 WiMAX Topologies 28

4 Frequency Utilisation and System Profiles 31

4.1 The Cellular Concept 31

4.1.1 Sectorisation 31

4.1.2 Cluster Size Considerations 33

4.1.3 Handover 35

4.2 Licensed and Unlicensed Frequencies 36

4.2.1 Frequency Channels and Spectral Masks 37

4.3 WiMAX Frequencies, Regulations and Availability 38

4.3.1 France 39

4.3.2 Korea 40

4.3.3 USA 40

4.3.4 UK 40

4.3.5 China 40

4.3.6 Brazil 41

4.3.7 Elsewhere 41

4.4 WiMAX System Profiles 41

4.4.1 Fixed WiMAX System Profi les 41

4.4.2 Mobile WiMAX System Profi les 42

Part Two WiMAX Physical Layer 43

5 Digital Modulation, OFDM and OFDMA 45

5.1 Digital Modulations 45

5.1.1 Binary Phase Shift Keying (BPSK) 45

5.1.2 Quadrature Phase Shift Keying (QPSK) 45

5.1.3 Quadrature Amplitude Modulation (QAM): 16-QAM and 64-QAM 47

5.1.4 Link Adaptation 47

5.2 OFDM Transmission 47

5.2.1 Basic Principle: Use the IFFT Operator 48

5.2.2 Time Domain OFDM Considerations 50

5.2.3 Frequency Domain OFDM Considerations 51

5.2.4 OFDM Symbol Parameters and Some Simple Computations 52

5.2.5 Physical Slot (PS) 53

5.2.6 Peak-to-Average Power Ratio (PAPR) 53

5.3 OFDMA and Its Variant SOFDMA 53

5.3.1 Using the OFDM Principle for Multiple Access 53

5.3.2 Scalable OFDMA (SOFDMA) 55

5.3.3 OFDMA in the OFDM PHYsical Layer: Subchannelisation 55

5.4 Subcarrier Permutations in WiMAX OFDMA PHY 57

5.4.1 The Main Permutation Modes in OFDMA 57

5.4.2 Some OFDMA PHY Defi nitions 57

5.4.3 PUSC Permutation Mode 58

5.4.4 FUSC Permutation Mode 65

5.4.5 AMC Permutation Mode 67

5.4.6 TUSC Permutation Mode 68

6 The Physical Layer of WiMAX 69

6.1 The 802.16 Physical Transmission Chains 69

6.1.1 The Global Chains 69

6.2 Channel Coding 69

6.2.1 Randomisation 70

6.2.2 Forward Error Correction (FEC) Codes 71

6.2.3 Interleaving 73

6.2.4 Repetition 73

6.3 Turbo Coding 74

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