Radwin 2000 - Chapter 25: BRS;EBS Considerations; What Is BRS;EBS; BRS;EBS Bands

RADWIN2000UserManual Release2.8.30 25‐1
Chapter25:
BRS/EBSConsiderations
WhatisBRS/EBS
TheBroadbandRadioService(BRS),formerlyknownastheMultipointDistributionService
(MDS)/MultichannelMultipointDistributionService(MMDS),isaUSFCCregulated
commercialser vice.TherelevantFCCruleis47CFRpart27subpartM.
Inthepast,itwasgenerallyusedforthetransmissionofdataandvideoprogrammingto
subscribersusinghigh‐poweredwirelesscablesystems.However,overtheyears,ithas
evolvedtoincludedigitaltwo‐waysystemscapableofprovidinghigh‐speed,high‐capacity
broadbandservice,includingtwo‐wayInternetserviceviacellularizedcommunication
systems.Suchservicesprovideconsumersintegratedaccesstovoice,high‐speeddata,video‐
on‐demand,andinteractive deliveryservicesfromawirelessdevice.
Forfurtherdetailssee:
http://wireless.fcc.gov/services/index.htm?job=service_home&id=ebs_brs
Thislink(partoftheFCCsite)containstheTechnicalRulescoveringmatterssuchas:
• Operationalscope
• Geographicservicearea
• Ante nnaregistration
BRS/EBSBands
TheBRS/EBSband(post‐transition)isillustratedinFigure25‐1belowandinmoredetailin
thethreetablesfollowing.
ObservethattheBRS/EBSspectrumisdividedintosmallchannels,mainlyof5.5and6MHz.
Therearetwosmallrangesof0.333MHzchannelsaswell.
BRS/EBSusermayleaseblocksofuptofourcontiguouschannelstoachievetheirrequired
channelbandwidth.Theseareoftenreferredtoassingle,double,tripleorquadbands.