RADWIN5000HPMPUserManual Release3.5.70 11‐4
PreparingtheHBS
Figure11‐2:HBSMobilityConfiguration
ThemaximumdistanceisanominalcommondistanceassumedbytheHBSforallHMUsinits
sector.Itistakenasthemaximumdistanceany HSUcanbefromaHBS.(Iteffectively
guaranteesanidenticalpropagationdelayforallHSUsinthesectortocompensateforrapid
HSUmov ement.)Ifthedistanceissettoosmall,thereisariskofsynclossfordistantHSUs;if
itissettoolargeitwillreduceperformanceacrossthesector.ThechoiceispartofRF
planningforMobilityprojectsandisbeyondthescopeofthismanual.
Wewillpre‐registerthreeHSUslotstolevelsA,BandCandtimeslotstoeachlevelasshown: