WRC-19??Identified??New??17.25GHz??Spectrum??Range??for??IMTAt??WRC-2019??in??November,??several??new??frequency??ranges??wereidentified??for??IMT,??to??be??used??by??IMT-2020??(5G)Global26GHz24.25-27.5GHzLocalGlobal40GHz37-43.5GHzLocalGlobalE??band66-71GHz46GHz45.5-47GHz47GHz47.2-48.2GHzAt??2017,??MIIT??released??26GHz??(24.75-27.5GHz)??and??40GHz??(37-42.5GHz)for??5G??technical??trialmmWaveGlobal??Licensing??and??Usage??for??5G22operatorsare??known??to??be??already??deploying5G??networks??using??mmWavespectrumChina:??26GHzand??40GHzas??the??spectrums??for??the??technical??trialEurope:??26GHzis??one??of??the??three??pioneer??5G??candidate??spectrumsJapan:??28GHzhas??been??commercially??deployedUSA:??28GHzand??24GHzhave??been??deployed,??26GHzis??under??consideration,??37GHz,??39GHz??and??47GHzauctionshave??been??completedKorea:??28GHzhas??been??commercially??deployedAustria:??26GHz,??40GHz??and32GHz??auction??plans??have??been??announcedLatin??and??central??America:??28GHzand??26GHzare??under??consideration/to??beallocated??as??plannedAfrica:??26GHzis??under??considerationSource:??GSA??2020.8mmWStandardization??in??3GPPRelease??15Release??16Release??17Basic??functionalityEnhancements??to??reduce??latency??and??overhead?Default??configurations??and??updates––Defaultspatial??relation??for??dedicated??PUCCH/SRSMAC??CE??based??spatial??relation??updatesfor??PUCCH??and??AP-SRSTCI??state??activation??for??a??set??of??CCs/BWPsbeam??failure??recovery??for??SCellsMore??scenariose.g.??higher??mobility???Channel??modeling??up??to??100GHzMulti-beam??based??synchronization,??broadcast??and??initial??access??procedureBeam??management??–Antenna??port??quasi??co-location–L1-RSRP??measurements–Beam??failure??recovery–SRS-based??sweeping??????Multi-carrier??operation––Common??beam??for??data??and??control??for??higher??mobilityUnified??TCI??framework??for??UL??and??DLMulti-panelUE??operationsUL??coverage??loss??mitigation??due??to??MPEStudy??on??supporting??NR??from??52.6GHz??to71GHzmmWChannel??Modeling?Extend??the??frequency??range??to??cover??mmWave?Consider??the??candidate??deployment??scenarios,??e.g.??Dense??Urban,??Indoor??Office??and??even??Indoor??Factory??(Rel-16)?ChannelCharacteristics?Extreme??higher??propagation??loss??and??penetration??loss??in??mmWave?Sensitivity??to??the??blockage,??e.g.??foliage,??human??body?Consolidated??channel??modeling??for??mmWavetechnology??development??and??evaluationsWhite??glasses??doorsMultilayer??glasses2.6GHzCoated??glassesThin??metal??wallsConcrete??walls3.5GHz28GHz39GHz0.5GHz6GHz30GHz100 GHzMultiple??matieral??penetration??losses??9080706050403020100
毫米波标准化和试验进展
