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Apparatus for realizing data transmitting and data access system thereof

A technology for data transmission and data access, which is applied in transmission systems, TV systems adapted to optical transmission, cable transmission adaptation, etc., can solve the problems of inconvenient maintenance and high cost of network transformation, and achieve cost savings, improve user satisfaction, The effect of increasing the effective bandwidth

Inactive Publication Date: 2010-04-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The present invention provides a device for realizing data transmission and a data access system, so as to overcome the disadvantages of high network reconstruction cost and inconvenient maintenance in the data access system for realizing data communication in HFC in the prior art

Method used

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  • Apparatus for realizing data transmitting and data access system thereof
  • Apparatus for realizing data transmitting and data access system thereof
  • Apparatus for realizing data transmitting and data access system thereof

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Embodiment Construction

[0044] The core of the present invention is: apply the Homeplug technology to the cable TV coaxial network, through the data conversion between the data based on the Ethernet protocol and the data based on the Homeplug protocol, the data based on the Homeplug protocol and the radio frequency signal based on the Homeplug protocol The process of conversion, frequency conversion modulation, equalization and frequency conversion demodulation of radio frequency signals enables the device of the present invention to realize the purpose of data transmission using coaxial cables. Furthermore, a broadband data access system for realizing data communication in a cable TV network is provided. The broadband data access system makes full use of the existing cable TV coaxial network and realizes cable TV, broadband A line-to-home solution for multiple services such as data access.

[0045] The following first briefly introduces the Homeplug technology. The Homeplug technology uses ordinary ...

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Abstract

This invention provides a device for realizing data transmission and a data access system including: applying Homeplug technology on a wire TV coaxial net, carrying out data conversion between data based on Ethernet protocol and Homeplug protocol to transmit the RF signals based on the Homeplug protocol in a coaxial cable, so that, the wire TV coaxial net can realize data access for the user end so as to provide a new method for connecting wire TV and data access to users.

Description

technical field [0001] The invention relates to digital television technology in the field of network communication, in particular to a data transmission device and an access system in the digital television system. Background technique [0002] In the prior art, the data access system network diagram for realizing data communication in HFC (hybrid fiber coaxial cable network) is as attached figure 1 shown. [0003] exist figure 1 Among them, the data access system for data communication in HFC mainly includes: CMTS (CableModem Termination System) equipment, upconverter, OSS (OperationSupport System network management / operation support system) and CM (Cable Modem cable modem) ). [0004] CMTS equipment is HFC network data access central office equipment, is the connection equipment of data network and HFC analog radio frequency network, its main functions include: network data forwarding, protocol processing and radio frequency modulation and demodulation, etc. [0005] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04N7/10H04N7/22
Inventor 周兴利方国元
Owner HUAWEI TECH CO LTD
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