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Channel optimization device for power line high speed dada communication system

A channel optimization, high-speed data technology, applied in distribution line transmission systems, transmission systems, electrical components, etc., can solve problems such as unfavorable applications, increased equipment costs, complex system networks, etc., and achieve excellent noise suppression capabilities and optimized performance Effect

Inactive Publication Date: 2004-12-22
CHINA ELECTRIC POWER RES INST
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Problems solved by technology

[0005] In order to solve the anti-noise and interference ability of power line high-speed data communication system, domestic and foreign research mainly adopts advanced communication technology, such as modulation and demodulation technology, coding error correction technology and networking technology, etc., but these methods lead to increased equipment costs and complex system networks , which is not conducive to practical application

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  • Channel optimization device for power line high speed dada communication system
  • Channel optimization device for power line high speed dada communication system
  • Channel optimization device for power line high speed dada communication system

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Embodiment Construction

[0018] Now, the channel optimization device for power line high-speed data communication system of the present invention will be specifically described with reference to the accompanying drawings, in which the same or similar reference numerals represent the same or similar components.

[0019] See attached figure 1 , the channel optimization device of the present invention can be equivalent to a six-port network, which is connected in series between the user's electrical equipment and the power line power supply when in use. like figure 1 As shown, the terminals 1 and 2 of the channel optimization device are respectively connected to the phase wire and the ground wire of the power line power supply, and the terminals 1' and 2' are respectively connected to the phase wire and the ground wire of the user's electrical equipment, while the other two terminals of the channel optimization device Terminal (G) is grounded.

[0020] On the one hand, since the ground wire also presen...

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Abstract

The invention relates to a channel optimization device for an electric wire high speed data communication system, which is connected between the user electric appliance and the electric wire power in series, and which includes device for filtering the phase wire and ground wire. The channel optimization device concretely includes low pass network part and filter circuit part, the low pass network part is connected with the eclectic wire power for restrain high frequency normal mode noise, the filter circuit part is connected with the user's electric appliance for restrain the common mode interference noise. Thus the invention improves the noise interference resisting ability of the electric wire high speed data communication system.

Description

technical field [0001] The invention relates to an electronic and electrical device, in particular to a channel optimization device for a power line high-speed data communication system. Background technique [0002] The use of power lines for voice and data transmission has a history of several decades, but they are all low-speed voice and data communications in the low-to-medium frequency range. With the development of information technology and the advent of the information age, people's demand for high-speed data services is also increasing. Among the many alternative data access methods, using the existing distribution power line as a carrier to transmit high-speed data undoubtedly has obvious advantages. [0003] In recent years, great progress has been made in the research of power line high-speed data communication technology and its application at home and abroad, and several power line high-speed data communication systems and their terminal products have been tes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/54H04B15/00
Inventor 李祥珍王丽平赵丙镇李建岐王方辉
Owner CHINA ELECTRIC POWER RES INST
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