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伊朗总统即将宣布“重大”措施外长称与俄将在印度洋军演

2019-10-22 03:46:32

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"运""营""商""集""体""否""认"4G"降""速""为""何""用""户""感""知""和""官""方""说""法""不""一""?"

"中""新""经""纬""客""户""端"8"月"20"日""电"("常""涛")"近""日"",""有""传""闻""称""“""为""了""推""广"5G","4G"网""速""下""降""”""。""昨""日"(19"日")",""三""大""运""营""商""对""此""均""予""以""否""认""。""不""过"",""中""新""经""纬""客""户""端""注""意""到"",""在""社""交""平""台""上"",""有""不""少""网""友""吐""槽""“"4G"确""实""变""慢""了""”""。""那""么"",""为""什""么""用""户""感""知""与""官""方""说""法""不""一""?"5G"大""规""模""商""用""后"",""会""影""响"4G"网""络""速""度""吗""?"

"资""料""图""中""新""经""纬""常""涛""摄"

"为""推""广"5G"给"4G"降""速""?""运""营""商""集""体""否""认"

"近""日"",""有""传""言""称"4G"网""络""速""度""下""降"",""目""的""是""“""为""了""推""广"5G"”""。""相""关""传""闻""称"",""“""经""网""友""实""测"",""理""论""上"4G"网""络""速""度""应""该""是"100Mbps",""折""合""为"12.5M/s",""但""实""际""速""度""只""有"1.51M/s",""整""整""差""了"11M/s"。""”"

"对""此"",""三""大""运""营""商""相""关""客""服""工""作""人""员""均""予""以""否""认"",""并""表""示""没""有""接""到"4G"会""降""速""的""通""知"","4G"不""会""降""速"","5G"速""度""会""更""快""。"

"电""信""分""析""师""付""亮""在""接""受""中""新""经""纬""客""户""端""采""访""时""表""示"",""“""为""了""推""广"5G"给"4G"网""络""降""速""”""的""说""法""没""有""依""据"",""同""时""也""没""有""必""要""为""了""显""示"5G"网""速""快"",""限""制"4G"网""速""。"

"付""亮""表""示"","4G"的""下""载""速""率""通""常""在""数""十""兆""的""量""级"","20-30Mbps"、"30-40Mbps"的""速""率""均""属""于""正""常""范""围"",""也""较""为""常""见""。""目""前"5G"网""络""用""户""少"",""达""到""几""百"Mbps"的""速""度""很""容""易"",""明""显""要""比"4G"快""很""多""。""“""至""于""有""些""网""友""反""映""的"4G"网""速""只""有""几"Mbps",""应""该""和""地""区""有""关""系"",""这""也""是""运""营""优""化""的""重""点""。""”"

"一""位""不""愿""透""露""姓""名""的""某""运""营""商""技""术""人""员""也""对""中""新""经""纬""客""户""端""表""示"":""“""说""运""营""商""为""了""推""广"5G"降""低"4G"网""络""速""度""不""大""可""靠"",""运""营""商""不""会""主""动""这""么""干""。""”"

"为""什""么""用""户""感""觉""“""网""变""慢""了""”""?"

"尽""管""三""大""运""营""商""集""体""表""示"4G"没""有""降""速"",""但""社""交""平""台""上""确""实""有""不""少""网""友""吐""槽""“"4G"确""实""变""慢""了""”""。"

"近""日"",""中""新""经""纬""官""方""微""博""发""起""的""一""项""近"6000"人""参""与""的""调""查""显""示"",""约""有"61.4%"的""网""友""表""示""“""网""明""显""慢""了""”"",""约""有"23.3%"的""网""友""表""示""“""我""的"4G"就""没""快""过""”"",""仅""有"15.2%"的""网""友""表""示""“""没""感""觉""变""慢""”""。"

"来""源"":""中""新""经""纬""官""方""微""博"

"有""网""友""在""留""言""称"",""“""网""确""实""慢""了""”""“""之""前""用"4G"看""电""影""一""点""也""不""卡"",""现""在""卡""得""想""摔""手""机""”""“""我""真""的""觉""得""从""暑""假""开""始""网""变""差""了""”""“""我""的"4G"网""这""几""天""发""消""息""都""困""难""”""“""一""直""没""快""过""”""。""不""过"",""也""有""网""友""表""示"",""“""没""感""觉""变""慢""啊""”""。"

"那""么"",""为""什""么""会""有""用""户""感""觉""“"4G"确""实""变""慢""”""?"

"上""述""运""营""商""技""术""人""员""解""释"",""可""能""会""有""一""些""地""区""用""户""感""觉"4G"网""速""变""慢""了"",""这""其""中""原""因""比""较""复""杂"",""可""能""和""用""户""量""上""升""有""关"",""也""可""能""和""目""前"5G"基""站""建""设""有""关""。""但""这""些""因""素""到""底""对""用""户""有""多""大""影""响"",""还""说""不""好""。"

"付""亮""表""示"",""用""户""反""映""的"4G"网""速""没""有""去""年""快""、""有""所""下""降""是""有""可""能""的""。""目""前""确""实""有""一""些""地""区""由""于""用""户""数""量""上""升""过""快""出""现""了"4G"网""速""变""慢""的""情""况"",""这""也""是""运""营""商"4G"网""络""维""护""的""重""点""。""但""目""前""运""营""商""在""“""提""速""降""费""”""、"5G"建""设""等""背""景""下""确""实""面""临""比""较""大""的""压""力"",""之""前""投""资""在"4G"网""络""维""护""上""的""资""金""要""分""割""出""来""部""分""给"5G"建""设"",""这""就""造""成""了""在""部""分""地""区""投""资""力""度""减""弱""。"

"“""本""来"4G"网""络""应""该""进""一""步""优""化"","5G"网""络""需""要""进""一""步""投""资"",""现""在""来""看""运""营""商""优""先""保""了"5G"建""设"",""而""原""来"4G"网""就""不""是""很""好""的""地""方""由""于""用""户""增""多""进""一""步""变""差""。""但""这""并""不""是""说""为""了""推""广"5G"给"4G"降""速"",""实""际""上""是""资""源""分""配""的""问""题""。""”""付""亮""说""。"

"此""外"",""付""亮""还""认""为"",""手""机""应""用""程""序""的""复""杂""程""度""也""会""影""响""用""户""对""网""速""的""感""知""。""“""现""在""的""应""用""程""序""较""为""复""杂"",""比""如""会""在""浏""览""过""程""中""夹""杂""短""视""频""等""内""容"",""这""会""导""致""用""户""的""网""络""体""验""变""差""。""”""付""亮""说""。"

5G"大""规""模""商""用""对"4G"网""速""有""没""有""影""响""?"

"据""了""解"",""目""前""用""户""只""需""要""购""买""一""部"5G"手""机"",""在""不""换""手""机""卡""的""情""况""下""即""可""接""受"5G"信""号""。""但""若""想""体""验""最""高"1Gbps"的"5G"速""率""服""务"",""需""参""与"5G"体""验""。""如""果""没""有""开""通"5G"体""验""包""的""用""户"",""现""阶""段""默""认""体""验""速""度""为"100Mbps"。"

"对""于"4G"网""络""速""率"",""目""前""理""论""峰""值""仍""为""下""行""速""率"100Mbps"。""付""亮""表""示"","100Mbps"和"1Gbps"很""可""能""成""为"5G"网""速""的""两""档""。"

5G"大""规""模""商""用""会""不""会""对"4G"网""络""产""生""影""响""?""付""亮""表""示"",""在"5G"大""规""模""商""用""后"",""运""营""商""会""均""衡""不""同""网""络""的""资""源""。""“"4G"用""户""变""成"5G"用""户"","4G"使""用""率""降""低"",""可""能"4G"用""户""网""速""变""快"",""但""也""可""能""产""生""负""面""影""响"",""运""营""商""可""能""优""先""投""入"5G"建""设"",""这""回""导""致"4G"网""络""在""局""部""地""区""变""差""。""另""一""种""情""况""是"",""随""着"5G"网""络""建""设"",""运""营""商""会""分""出""一""些"4G"频""段""给"5G",""同""样""会""造""成"4G"网""速""变""慢""。""但""运""营""商""不""会""轻""易""大""规""模""这""么""做"",""还""需""要""考""虑""不""同""网""络""的""用""户""承""载""量""。""”""付""亮""说""。"("中""新""经""纬"APP)

"中""新""经""纬""版""权""所""有"",""未""经""书""面""授""权"",""任""何""单""位""及""个""人""不""得""转""载""、""摘""编""以""其""它""方""式""使""用""。"