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Uplink signal processing method

A carrier signal and digital signal technology, applied in the field of data communication, can solve the problems of difficult construction, high cost, large investment cost, etc., and achieve the effect of reducing construction cost and communication cost.

Active Publication Date: 2016-04-13
DALIAN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, from the actual situation, for areas without reserved communication pipelines, the investment cost is relatively high and construction is difficult; for areas with reserved communication pipelines, 20%-30% of the pipelines have been blocked due to ground subsidence and other pipeline constructions. As a result, the optical fiber cannot pass through. It can be seen that the cost of networking with a single optical fiber communication system is relatively high

Method used

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Examples

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Effect test

Embodiment 1

[0027] This embodiment provides an uplink signal processing system, such as figure 1 As shown, the system includes:

[0028] The terminal device 14 is used to receive the digital signal sent by the first user terminal 15, convert the digital signal into a carrier signal, and send the carrier signal; the terminal device 14 can be a device provided with a carrier signal processing chip, such as a power The function of the modem is to process and convert the digital signal conforming to the IEEE802.3 standard sent by the first user terminal 15 into an analog electrical signal suitable for transmission on the power line for representing uplink communication data. Specifically, the digital signal conforming to the IEEE802.3 standard received from the device port is converted into a carrier analog signal suitable for power cable transmission through encryption, coding, and modulation processing.

[0029] The relay device 13 is connected to the terminal device 14 through a cable, an...

Embodiment 2

[0044] This embodiment provides an uplink signal processing method, such as image 3 As shown, the method includes:

[0045] S1, the terminal device receives the digital signal sent by the first user terminal, converts the digital signal into a carrier signal, and sends the carrier signal; the terminal device can be a device equipped with a carrier signal processing chip, such as a power modem, its function The digital signal conforming to the IEEE802.3 standard sent by the first user terminal is processed and converted into an analog electrical signal suitable for transmission on the power line, which is used to represent uplink communication data. Specifically, the digital signal conforming to the IEEE802.3 standard received from the device port is converted into a carrier analog signal suitable for power cable transmission through encryption, coding, and modulation processing.

[0046] S2. The relay device receives the carrier signal, gains the carrier signal, and sends th...

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Abstract

The invention provides an uplink signal processing method, which comprises the steps as follows: terminal equipment receives a digital signal transmitted by a first user terminal, converts the digital signal into a carrier signal and transmits the carrier signal; relay equipment receives the carrier signal, gains the carrier signal and transmits the gained carrier signal; head end equipment receives the gained carrier signal, converts the digital signal into the digital signal and transmits the digital signal; and optical network unit equipment receives the digital signal, converts the digital signal into an optical signal and transmits the optical signal to an optical line terminal.

Description

technical field [0001] The invention relates to the field of data communication, in particular to an uplink signal processing method. Background technique [0002] Distribution automation system is an important technical means to improve the production management level of distribution network and improve the reliability of power supply, and it is also one of the main contents of smart grid construction. The State Grid Corporation of China is comprehensively building a strong smart grid with UHV grid as the backbone and coordinated development of power grids at all levels, and featuring independent innovation and world-leading strong smart grid characterized by informatization, automation, and interaction. The smart grid is based on an open and interconnected information model, by loading system digital equipment and upgrading the grid network management system, it realizes the entire process of the power industry such as power generation, transmission, power supply, power co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCH02J13/0086
Inventor 栾敬钊杨万清刘冰张葆刚姜学朴王跃东牛明珠肖岚单晓晨吕军
Owner DALIAN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER
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