Radwin Transportation FiberinMotion - Activation Conditions; De-Activation Conditions

FinMDeploymentGuide Release4.5.10 4‐19
NecessaryPre‐Conditions ConfiguringtheRadioNetwork
ActivationConditions
»TheTBSco‐channelneighboristransmittingwiththePrimaryTMUonitsrailcar
1
,
AND
»ThedetectedsignalfromtheTBSco‐channelneighborisabovethethresholdsignal
strengthforactivation(seeTable 4‐3).
De‐ActivationConditions
»TheTMUoftheTBSco‐channelneighborisre‐definedastheSecondaryTMU,
OR
»ThedetectedsignalfromtheTBSco‐channelneighborisbelowthethresholdsignal
strengthforde‐activation(thevaluesaredifferentfromthatofactivation:seeTable 4‐
4).
1. Thisisthe“active”TMU.Iftheco‐channelneighboristransmittingwithitsSecondaryTMU,thesignalwillbe
weakerandsporadic,resultinginalowenoughinterferencelevelastobeinsignificant.
Table4‐3:Thresholdsignalstrengthlevels‐activationcriteria
SignalStrengthbetween
TBSandTMU
Differenceinsignal
strengthbetweenTBS
anditsco‐channel
neighbor
ActivateOption?
‐70orabove Greaterthan16 No
‐70orabove 16orless Yes
‐74to‐71 Greaterthan14 No
‐74to‐71 14orless Yes
‐78to‐75 Greaterthan12 No
‐78to‐75 12orless Yes
‐79orbelow Greaterthan9No
‐79orbelow 9orless Yes
Table4‐4:Thresholdsignalstrengthlevels‐de‐activationcriteria
SignalStrengthbetween
TBSandTMU
Differenceinsignal
strengthbetweenTBS
anditsco‐channel
neighbor
De‐Activate
Option?
‐70orabove Greaterthan20 Yes
‐70orabove 20orless No
‐74to‐71 Greaterthan18 Yes