EBU发表基于LTE网络传送广播内容的研究结果-豆柴文库

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EBU发表基于LTE网络传送广播内容的研究结果
Abstract
Inrecentyears,Long-TermEvolution(LTE)networkshavebeenincreasinglyutilizedtotransmitbroadcastcontentduetotheirhighdatarates,lowlatency,andwidecoverage.TheEuropeanBroadcastingUnion(EBU)conductedastudytoevaluatetheperformanceofusingLTEforbroadcasting.Thestudyinvestigatedthequalityofexperience(QoE)ofthetransmittedcontent,thespectralefficiencyofLTE,andthepotentialbenefitsandchallengesofLTE-basedbroadcastingcomparedtotraditionalbroadcasting.TheresultsshowthatLTE-basedbroadcastingcanprovidehigh-qualityaudioandvideocontenttouserswithexcellentQoE,andhaspotentialbenefitsintermsofcostsavingsandnetworkexpansion.However,thechallengessuchaslackofstandardizedsolutionsforLTE-basedbroadcastingandconcernsofnetworkcongestionneedtobeaddressed.ThispaperpresentsadetailedanalysisoftheEBU’sstudyontheuseofLTEnetworksforbroadcasting,highlightingthemainfindings,benefitsandchallenges,andfuturedirections.
Introduction
Thebroadcastingindustryhasundergonesignificantchangesinrecentyearsduetotherapidadvancementofdigitaltechnology.Traditionalbroadcastingmethodssuchasterrestrial,satellite,andcablearebeingchallengedbynewertechnologiessuchasinternet-basedbroadcastingandmobilebroadcasting.Long-TermEvolution(LTE)networks,whichareprimarilydesignedformobilecommunication,haveemergedasapromisingtechnologyforbroadcastingduetotheirsignificantimprovementindatarate,coverage,andlatencycomparedtoearliernetworks.
TheEuropeanBroadcastingUnion(EBU)isaconsortiumofpublicbroadcastersinEurope,includingtheBritishBroadcastingCorporation(BBC),FranceTelevisions,DeutscheWelle,andothers.EBUconductedastudytoevaluatethefeasibilityandeffectivenessofusingLTEnetworksforbroadcasting,whichisthefocusofthispaper.
Methodology
TheEBU'sstudyinvolvedaseriesoffieldtestsandmeasurementsconductedindifferentlocationsacrossEurope,includingbothurbanandruralareas.Thetestsfocusedonthequalityofexperience(QoE)ofthecontenttransmittedviaLTEnetworksandthespectralefficiencyofthenetworks.Thetestswereconductedusingcommercia