Installation Guide

Table Of Contents
RADWIN5000InstallationGuide DQ0266610/A.01 B3
ScopeofthisAppendix
Theairratesusedinthismodearesameaswhenusingsingleantennasinbothsites.
Table B1summarizesthesituation:(SM=SpatialMultiplexing)
SiteAandBmaybeHBSorSU.
B.3ConsiderationsforChangingAntenna
Parameters
Let:
maxAvailableTxPowerdenotethemaximumTxPowerpracticallyavailablefromanODU.(It
appearsasTxPowerperRadio.)
maxRegEIRPdenotethemaximumEIRPavailablebyregulation.Itwillbedeterminedbythree
factors:
perband/regulation
perchannelbandwidth
antennagain
maxRegTxPowerdenotethemaximumregulatoryTxPowerfortheequipment,alsohaving
regardtheabovethreepoints.
Then,thefollowingrelationshipmustbesatisfied:
...(*)
TheTxPower(perradio)indicatesthepowerofeachradioinsidetheODUandisusedforLink
BudgetCalculations.TheTxPower(System)showsthetotaltransmissionpoweroftheODU
andisusedtocalculatetheEIRPaccordingtoregulations.
Theinequality(*)aboveisalwayssatisfiedbythesysteminaccordancewiththerelevant
regulation.
TableB1:SpatialMultiplexing‐Diversitysettings
Numberof
Antennas
Mode
MaxFull
Duplex
Capacity
SiteA SiteB SiteA SiteB
2 2
SpatialMulti
plexing
SpatialMulti
plexing
50Mbps
Diversity Diversity 25Mbps
2 1 Diversity Single 25Mbps
1 2 Single
Diversity
25Mbps
1 1 Single Single 25Mbps
maxAvailableTxPower min maxRegEIRP
AntennaGain CableLoss maxRegTxPower+
(
)