物联网与中国的下一代广播技术展望  

Internet of Things and China's Next Generation Broadcasting Technology Outlook

作　　者：汪凯凯 罗宁 曹志 何大治[1] 丁良辉[1] WANG Kaikai;LUO Ning;CAO Zhi;HE Dazhi;DING Lianghui(Shanghai Jiao Tong University,Shanghai 200240,China;Shanghai Zhongqiao College,Shanghai 20131,China;Academy of Broadcasting Planning.SAPPRFT,Beingjing 100866)

机构地区：[1]上海交通大学,上海200240 [2]上海中侨职业技术学院,上海20131 [3]国家广播电影电视总局广播电视规划院,北京100866

出　　处：《电视技术》2018年第8期65-70,75,共7页Video Engineering

基　　金：国家自然科学基金(61671297;61601286和61420106008);上海市数字媒体处理与传输重点实验室(STCSM18DZ2270700);国家科技重大专项(2017ZX03001027);上海市科技创新行动计划(17511106102)

摘　　要：针对中国农村地区物联网需求,结合现有的NB-IOT技术、LoRa技术以及中国农村实际情况,提出了一种将数字电视广播的专用回传信道与物联网结合的方案。对专用回传信道的终端模型、典型应用、物理层结构以及基于专用回传信道的物联网系统方案等进行了阐述,并将专用回传信道技术与NB-IOT技术、LoRa技术进行对比,结果证明,专用回传信道方案具有长距离、高速率、容量大、易于部署等特点,适合用于农村地区物联网部署。Aiming at the demand of Internet of Things in rural areas of China,combined with the existing NB-IOT technology!LoRa technology and the actual situation in rural China,a scheme of combining the dedicated retiurn channel of digital TV broad-casting withi the Internet of Things is proposed.The terminal model,typical application,physical layer structure and IoT system scheme based on dedicated return channel are described,and the dedicated return channel technology is compared with NB-IOT technology and LoRa technology.It is proved that the dedicated return channel scheme has the characteristics of long distance,high speed,large capacity and easy deployment,and is suitable for thie deployment of Internet of Things in rural areas.

关 键 词：物联网 NB-IOT LoRa 专用回传信道 

分 类 号：TN949.6[电子电信—信号与信息处理]