RADWIN2000D+UserManual Release3.6.00 9‐4
HSSConcepts:RadioFramePattern(RFP) Chapter9
9.3HSSConcepts:RadioFramePattern(RFP)
ARadioFramePattern(RFP)isthecycledurationoftransmitandreceiveoftheair‐frame.
9.3.1WithoutHSS
WhenselectingTDMorEthernetservices,thesystemautomaticallyandtransparently
choosestheoptimalRFP.WhenTDMandEthernetservicesareconfigured,theRFPis
optimizedforTDM.
9.3.2RFPandHSS
WhenHSSisused,theRFPforthecollocatedradiosmustbeselectedmanually.
RADWIN2000usestheTimeDivisionDuplex(TDD)mechanism.
UnderHSS,TDDenablessynchronizationoftransmissionforthecollocatedunitsasshownin
Figure 9‐4:
Figure9‐4:RadioFramePattern
TwoRFPtypes(labelledBandE)
areavailable.UnderHSStheRFPmustbeconfiguredbythe
userdependingonthetypeoftheradioproducts,servicesandchannelbandwidthin
accordancewithTable 9‐2.
ThetabledescribetheefficiencyoftheairinterfaceaccordingtotheRFPtype,servicesand
channelbandwidth.ThetablesmayalsobeviewedintheRADWINManagerandintheLink
BudgetCalculator.Theefficiencyoftheairinterfacewillvaryaccordingtotheproductused.
Table9‐1:RadioFramePatternTable‐RADWIN5000,RADWIN2000D+
RFP 5/10/20/40MHz
TDM Ethernet
EN/A Bestfit
Table9‐2:RadioFramePatternTable‐RADWIN2000
RFP 40MHz 20MHz 10MHz 5MHz
TDM Ethernet TDM Ethernet TDM Ethernet TDM Ethernet
B Available Available Available Available Available Available Bes tfit Bestfit
E Bestfit Bestfit Bestfit Bestfit Bestfit Bestfit Available Available