铁路电视单频网信道简化模型覆盖设计 single frequency network system coverage design based on simplified channel model in chinese railway television system.pdfVIP
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铁路电视单频网信道简化模型覆盖设计 single frequency network system coverage design based on simplified channel model in chinese railway television system
文章编号:1002—8692(2011)08—0035—04 口口匹亟圃 铁路电视单频网信道简化模型覆盖设计 陆靖侃1.一。马文峰1 (1.上海交通大学上海200233;2.上海高清数字科技产业有限公司,上海200125) 【摘要】数字电视领域中广受关注的一个业务是在不断发展的中国高速铁路上开展电视传送。中国铁路电视系统设计主要包 ADTB—R)。为了确保ADTB—T能在铁路电视单频网的特殊环境下可靠工作,采用了一种分集接收来等效简化信道模型。这一构 架的有效性已经被理论分析和实验室测试所验证。 【关键词】ADTB—R;铁路电视;网络覆盖;单频网 【中图分类号】TN949 【文献标识码】A Network Basedon ChannelModelin SingleFrequencySystemCoverageDesign Simplified Chinese Television Railway System LU Jingkan‘一,MAWenfeng‘ (J.ShanghaiJiao 200233,cJ畦嘲 TongUniversity,Shanghai Industrial oigi“TechnologyCo.,Ltd,,s托nghaz200125,China) 2.Shanghai豫^Definition TVonthe Chinese isoneofthe hasdrawnmuchattention 【Abstract】Deployingongoing hishspeedrailway services,which inChinese ofChinese television includestwo broadcastingindustry.Thedesign railway systemmainly networkandthe this is the of modulation/demodulation that coverage technique.Inpaper,itsuggested deploymentRailway Television GSM—RasreferenceandADTB-Ta8demodulation Network(RrI’、r—SFN)takes SingleFrequency called ensurethe workofADTB-Tthe environmentof ADTB-R).To reliable under RTV-SFN,a special diversityreceiving is to the model.The ofthisschemeisverifiedtheoretical channel techniqueproposedsimplifyequivalent validity b
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