【摘要】 对电力线通信技术的优缺点和IPTV业务的技术要求做了细致分析,利用电力网有效频带宽、利用率低的特点,建立了以中高压电网为承载IPTV业务的主干网组网模型,并深入研究了该模型的结构与组成。针对在研究过程中遇到的问题提出了相应的解决措施,进一步讨论该模型实现的可行性、优越性与不足之处,从而指出其研究方向与实际意义。更多还原

【Abstract】 This paper makes a detailed analysis on the advantages and disadvantages of Power Line Communication technology and the technical requirement of the IPTV business.Based on the specialty of wider bandwidth and lower utilization in power grid,the paper describes the network model of IPTV on medium-high voltage power grid and the structure as well.Some solutions are put forward and the availability,advantages and disadvantages are also discussed in the paper.更多还原