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Ma Ju: coaxial cable, two-way broadband access technology – two-way processing, broadband, radio and television – broadcasting industry

SARFT States Broadcasting President Ma Ju Institute of Science
One needs analysis first talk about the basic situation, local ownership TV in more than 500 million units, cable television 150 million net users, 47 million digital subscribers, so the cable television Digital is very important. For the development of cable networks have a lot of technology solutions at the same time, more and more companies and research institutions concerned about the cable network in the next step in development.

2, Current Status and Strategies Here are some examples, are now commonly used in processing of the cable television network of some programs, with more than HomePlugBPL, HomePlugAV, Wi-Fi Down, HomePNA, cable modem, baseband EOC. The existence of these programs are reasonable, if the future will be, it does not.

First, what really dominant network, shortboard what I understand, the last of the cables with cable network never give in, regardless of how stress is that this is the natural broadband. physical bandwidth of more than one G, digital bandwidth of at least 7 G, the bandwidth of the future should not be dismissed lightly, I would like to give up the radio and television is like our brother unit, competitors, partners for cooperation The same was dry. Therefore, for the coaxial cable is concerned, the use CableModem high availability of the technology is mature product technology. Although not very CableModem popular in China has institutional, political reasons, but regardless of how stress, CableModem Shanghai and other cities in the success of this is to choose a major program of two-way network transformation.

Second, MOCA, is in fact more and more widely applied, but for us in terms of whether a direct reference to China again? For example, the bandwidth is adequate and if it meets our requirements, these are open to question and research. Aside from fiber to the home, the cable TV network for the election is now the great power CableModem. Now many domestic companies is proposed based approach EUC in the access program, Canton ASTRI six years of the program is to enforce its own high-performance broadband network HiNOC system. Now I'm going to share design ideas with you, please correct me critical.

3 HiNOC systems technology programs and features
First, there are several design points, the first design point is the people what kind of business? That is, the final one meter or 10 meters the amount of bandwidth needed to meet the needs of people and the long-term future. After our analysis, which effectively provided to citizens HD, SD, Internet broadband and voice service possible such as VoIP, triple play should be a one-stop service. We believe there should be a threshold of bandwidth, so the design is based on 30M, 40M home, which is exclusive bandwidth.

Secondly, we design a long-term future with the implementation of the network. There are many companies who are brothers and make their own programs, we are thinking. Administration issued a White Paper, we have carefully analyzed, followed two days before the meeting was amended. Meets needs of the next generation, but also, and many of the companies to communicate, communicate, so the design concept, as well as bandwidth and connection business must consider is the system architecture and network architecture. We call the proposed contents of the IP-based architecture, making our application at the IP layer, IP must be included in our physical layer, which is our original intention and concept design.

Frequency characteristics of coaxial cable About the Author

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