【摘要】 在分析HFC与EPON有关性质的基础上,提出基于EPON的数字电视传输方法。叙述了系统的组成与各模块的功能及系统的实现过程。讨论了频道切换等关键技术,并设计与实现了利用组播的频道切换机制。给出了一个实验系统的各芯片选型。更多还原

【Abstract】 On the basis of analyzing HFC and EPON,the method of digital television transmission over EPON is proposed.The systematic composition,realization course and function of every module are narrated.The crucial technology is discussed such as channel switch.The mechanism of channel switching using multicast technique is designed and realized.Every chip selecting type of experimental system is given.更多还原