RAy – Link calculation
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RAy –
Link calculation

Application notes

version 1.0

7/12/2018

Table of Contents

Introduction

1. Link calculation

1.1. Free space loss calculation
1.2. Link budget calculation
1.3. Fade margin
1.4. Rain attenuation
1.5. Multipath fading
1.6. Fresnel zones calculation

2. Example of microwave link design

A. Rain zone map

B. Revision History

List of Figures

1.1. Rain zone map, based on Rec.ITU-R PN.837-1
1.2. Attenuation for 10 GHz, polarization H, V
1.3. Attenuation for 11 GHz, polarization H, V
1.4. Attenuation for 17 GHz, polarization H, V
1.5. Attenuation for 24 GHz, polarization H, V
1.6. Fresnel zone
2.1. Design flowchart

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		Introduction