Motorola Pro FLX Manuel d'utilisateur télécharger pdf (Page 4)

Grayson Wireless iv

Table of Contents

Abstract ii

Acknowledgments iii

Table of Contents iv

List of Figures vii

List of Tables ix

1. Introduction 1

2. FLEX Protocol 4

2.1 Overview of FLEX Protocol.................................................................................................. 4

2.2 FLEX Data Rate and Modulation .......................................................................................... 5

2.3 FLEX Data Format................................................................................................................. 6

2.3.1 Frame Format ..................................................................................................................8

2.3.2 Block Interleaving ...........................................................................................................9

2.3.3 Codeword ...................................................................................................................... 10

2.3.4 Coding Format............................................................................................................... 10

2.4 Fading Tolerance.................................................................................................................. 12

2.5 FLEX and POCSAG mixed................................................................................................. 13

3. Receiver and Decoder Design 15

3.1 Receiver ............................................................................................................................... 15

3.2 Decoder................................................................................................................................ 18

3.3 Microprocessor software implementation............................................................................ 25

1 2 3 4 5 6 7 8 9 ... 73 74

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