Antenna Performance in Fixed Wireless Broadband ... - Cvt-dallas.org

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Other Loss FactorsWater on antenna radome! Sparse research available! Films vs. droplets! Andrew testing: ~2.5 dB/antennaIce! Difficult to predict! Pattern effects can be significant! Anti-icing heaters can be used, but $$Broadband Antenna ProductsCopyright © 2000 32
Cell GeometryDegrees Below Horizontal2010.550 m1.0 km2.0 km• 99.95% of the cell area is covered by 0 to 20 degree elevation range• Assumptions:Hub Tower Height = 21 mSubscriber Antenna Height = 3 mFlat EarthBroadband Antenna ProductsCopyright © 2000 33
Page 4 and 5: Trends & Market DriversGlobal Dereg
Page 6 and 7: LMDS MarketPositioning•Key market
Page 8 and 9: BWA/LMDSService ViewpointMultiple s
Page 10 and 11: Broadband Subs byTechnology2003Cabl
Page 12 and 13: Wireless BroadbandArchitectureSourc
Page 14 and 15: Equipment ComparisonsCompanyEnsembl
Page 16 and 17: Antenna SpecificationsRadiation Pat
Page 18 and 19: Array designsHub AntennaTechnologie
Page 20 and 21: Hub AntennaTechnologiesSecond Gener
Page 22 and 23: Typical SectorPerformanceSector siz
Page 24 and 25: ETSI Azimuth MaskCPE Antenna0ETSI A
Page 26 and 27: Typical Elevation RPESector Horn0El
Page 28 and 29: System ConsiderationsGain vs. Cover
Page 30 and 31: Path Loss - SimplifiedPath Loss vs.
Page 34 and 35: Elevation Pattern Design15 dBi Horn
Page 36 and 37: HG Elevation PatternAntenna Pattern
Page 38 and 39: System PlanningPlanning is multi-di
Page 40 and 41: Broadband Antenna ProductsCopyright
Page 42 and 43: Terrain AnalysisBroadband Antenna P
Page 44 and 45: SummaryAntenna selection is key to

Antenna Performance in Fixed Wireless Broadband ... - Cvt-dallas.org

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