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Rain Attenuation Pathloss 4.0  

Figure 3: Crane World Rain Regions

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Pathloss 4.0 Rain Attenuation

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Figure 4: Modified Crane (1996) World Rain Regions

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Rain Attenuation Pathloss 4.0  

REFERENCES

1. Prediction of Attenuation by Rain - Robert K. Crane

IEEE Transactions on Communications

VOL. COM-28 NO 9, September 1980

2. Characteristics of Precipitation for Propagation Modeling

Recommendation ITU-R Pn.837-1

3. High Intensity Rainfall Statistics for Canada - B. Segal

Communications Research Centre, Department of Communications

Ottawa Canada CRC Report Number 1329-E

4.4 Electromagnetic Wave Propagation through Rain - Robert K. Crane

A Wiley Interscience Publication

John Wiley & Sons Inc. (1996)

5. Propagation Data and Prediction Methods Required for the Design of Terrestrial Line of Sight

Systems - ITU Recommendation P.530-7

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Pathloss 4.0 Passive Repeaters

i 

PASSIVE REPEATERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Path Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Creating a Passive Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Editing Passive Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Propagation Reliability Calculations on Passive Repeaters . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Passive Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Comparison of Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

RECTANGULAR PASSIVE GAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

 NEAR FIELD LOSS - GAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

CLOSE COUPLING LOSS - DOUBLE PASSIVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10