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Radwin WinLink 1000 User Manual

Radwin WinLink 1000
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Calculations Chapter 21
WinLink 1000 User Manual Release 1.9.40 21-2
Calculations
EIRP
Expected RSS and Fade Margin
where:
Site A is the transmitting site
Site B is the receiving site
PathLoss is calculated according to the free space model,
where Sensitivity is dependent on air-rate.
Min and Max Range
MinRange is the shortest range for which per air-rate.
MaxRange (with Adaptive checked) is the largest range for which
, at the highest air-rate for which this relationship is true. In a
link with adaptive rate this will be the actual behavior.
MaxRange (for a given air-rate) is the largest range for which
.
Service
The Ethernet and configured TDM trunks throughput is calculated according to internal prod-
uct algorithms.
Availability
The Service Availability calculation is based on the Vigants Barnett method which predicts the
downtime probability based on a climate factor (C factor).
EIRP TxPower AntennaGain
SiteA
CableLoss
SiteA
+=
E
xpectedRSS EIRP PathLoss AntennaGain
SiteB
CableLoss
SiteB
+=
P
athLoss 32.45 20 frequency
MHz
20 RequiredRange
Km

10
log+
10
log+=
E
xpectedFadeM inarg ExpectedRSS Sensitivity=
ExpectedRSS MaxInputPower
ExpectedRSS Sensitivity
E
xpectedRSS Sensitivity RequiredFadeM inarg+
Availability
16–10
7
Cfactor frequency
GHz
RequiredRange
KM

3
10
ExpectedFadeM inarg
10
-------------------------------------------------------------
=

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Radwin WinLink 1000 Specifications

General IconGeneral
BrandRadwin
ModelWinLink 1000
CategoryWireless Access Point
LanguageEnglish

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