Millimetre Wave Point to Multipoint Enabled by a Novel W-band Traveling Wave Tube

TheHorizon2020TWEETHERprojectaimstobuildapointtomultipointwirelesssystemwithhigh capacityatW-band(92–95GHz)forbackhaulofsmallcellsandfixedaccess.Thepointtomultipoint isanattractivesolutionforbackhaul.Itismuchcheaperthanthefibreandneedsonlyhalfofthe equipmentofanequivalentpointtopointbackhaul.TheW-bandwaschosenduetothelightlicensing andthelowcostforoperators.Theuseforthefirsttimeofanovelhighpowertravelingwavetube permitstocoverwideanglesectorswithrangeofabout1km,providingupto10Gbps/km 2 capacity density. The paper will describe the components purposely designed and fabricated for the transmissionhubandthenetworkterminalequipment.