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Performance Evaluation of WiMAX/IEEE 802.16 OFDM Physical Layer - page 4 / 107

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Table of Contents

Acknowledgements ........................................................................................................................iii List of Figures...................................................................................................................................vi List of Tables...................................................................................................................................viii List of Abbreviations ......................................................................................................................ix List of Symbols.................................................................................................................................xi

Chapter 1: Introduction ..................................................................................................................1

    • 1.1

      Motivation................................................................................................................................1

    • 1.2

      Objective ................................................................................................................................... 2

    • 1.2

      Structure of the thesis ..........................................................................................................3

Chapter 2: IEEE802.16: Evolution and Architecture.............................................................4

    • 2.1

      Evolution of IEEE family of standard for BWA ...................................................................4

      • 2.1.1

        IEEE 802.16­2001..............................................................................................................5

      • 2.1.2

        IEEE 8020.16a­2003 .........................................................................................................6

      • 2.1.4

        IEEE 802.16­2004..............................................................................................................7

      • 2.1.5

        IEEE 802.16e­2005............................................................................................................7

    • 2.2

      IEEE 802.16 Protocol Layers.................................................................................................8

    • 2.3

      Network Architecture and Deployment Topology: .............................................................9

    • 2.5

      WiMAX forum and adaptation of IEEE 802.16 .................................................................12

Chapter 3: IEEE 802.16 Physical Layer...................................................................................14

    • 3.1

      IEEE 802.16 PHY Layer:.......................................................................................................14

      • 3.1.1

        Supported Band of Frequency ......................................................................................14

    • 3.2

      IEEE 802.16 PHY interface variants...................................................................................15

      • 3.2.1

        WirelessMAN­SC™ .........................................................................................................15

      • 3.2.3

        WirelessMAN­SCa™ .......................................................................................................16

      • 3.2.3

        WirelessMAN­OFDM™ ...................................................................................................16

      • 3.2.4

        WirelessMAN­OFDMA™ : ...............................................................................................16

      • 3.2.5

        WirelessHUMAN™ : .........................................................................................................17

    • 3.4

      WirelessMAN OFDM PHY Layer.........................................................................................17

      • 3.4.1

        Flexible Channel Bandwidth: .........................................................................................18

      • 3.4.2

        Robust Error Control Mechanism .................................................................................18

      • 3.4.3

        Adaptive Modulation and Coding..................................................................................18

      • 3.4.4

        Adaptive Antenna System ..............................................................................................19

      • 3.4.5

        Transmit Diversity:............................................................................................................19

    • 3.3

      OFDM ........................................................................................................................................20

      • 3.3.1

        OFDM BASIC:...................................................................................................................20

      • 3.3.2

        OFDM SYSTEM IMPLEMENTATION .........................................................................22

      • 3.3.3

        CYCLIC PREFIX ADDITION .........................................................................................23

      • 3.3.4

        OFDM SYSTEM DESIGN CONSIDERATIONS........................................................24

      • 3.3.5

        BENEFITS AND DRAWBACKS of OFDM: ................................................................25

      • 3.3.6

        APPLICATION ..................................................................................................................26

Chapter 4: Simulation Model ......................................................................................................27 4.1 OFDM Symbol Parameter.....................................................................................................27

iv

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