Design And Implementation Of An IPTV System Based On A Radio And Television Network

In response to the declining trend of digital TV's main business,the company hopes to change the DVB mode of the TV service to the IP mode.Through the research and design of the IPTV system,it provides technical support for the company's leadership decision-making.IPTV is a technology for transmitting TV signals over an IP network.In this thesis,IPTV mainly refers to digital TV live broadcast services.At present,the digital video broadcasting(DVB)mode live broadcast service provided by the broadcasting and TV operators can not meet the growing demand of the live broadcast service.The smooth evolution of the DVB mode to IPTV is the only way for broadcast and television operators.With the in-depth development of the triple play and the next generation broadcast TV network,the future home business will be characterized by high bandwidth,rich and varied content,and convenient use.The topic and content of this thesis are derived from the author's years of data communication experience and research in the broadcasting and television network.According to the company's current network situation,research on multicast technology,designed a company's IPTV system technology architecture.Firstly,the functions of the layered architectures such as the system layer,the platform layer,the bearer layer and the terminal layer in the original technical architecture are summarized.Then,the functional design of each layered architecture such as the IPTV system layer,the platform layer,the bearer layer and the terminal layer is performed.The IPTV system terminal online process,the IPTV terminal service authentication process,and the IPTV system service flow push process enable the IPTV system to support both the hard terminal and the soft terminal.Finally,the IPTV system application test is performed,and the test result demonstrates the feasibility of the IPTV system design.The IPTV system terminal service authentication function has not been implemented yet due to the functional limitations of the BOSS system and the AAA system.The multicast program list is manually fixed on the IPTV system terminal software by software.