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Uplink signal processing system

A signal processing and carrier signal technology, applied in the field of data communication, can solve problems such as high cost, large investment cost, and inability to pass through optical fibers, and achieve the effect of reducing construction work and communication costs

Inactive Publication Date: 2017-01-11
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 line terminal is relatively high

Method used

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Examples

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Effect test

Embodiment 1

[0018] This embodiment provides an uplink signal processing system, such as figure 1 As shown, the system includes:

[0019] 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 IEEE 802.3 standard sent by the first user terminal 15 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.

[0020] The relay device 13 is connected to the terminal device 14 through...

Embodiment 2

[0035] This embodiment provides an uplink signal processing method, such as image 3 As shown, the method includes:

[0036] 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 IEEE 802.3 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.

[0037] S2. The relay device receives the carrier signal, gains the carrier signal, and sends t...

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Abstract

The invention provides an uplink signal processing system, which comprises terminal equipment, relay equipment, head end equipment and optical network unit equipment, and is characterized in that the terminal equipment is used for receiving digital signals sent by a first user terminal, converting the digital signals into carrier signals and sending the carrier signals; the relay equipment is connected with the terminal equipment through a cable and used for receiving the carrier signals, performing gaining on the carrier signals and sending the gained carrier signals; the head end equipment is connected with the relay equipment through a cable and used for receiving the gained carrier signals, converting the gained carrier signals into digital signals and sending the digital signals; and the optical network unit equipment is connected with the head end equipment through a network cable and used for receiving the digital signals, converting the digital signal into optical signal and sending 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 system. 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): H04B3/54H04B10/25
CPCH04B3/542H04B10/2589H04B10/25891
Inventor 孙婷吴江宁刘冰祁广源李若斌唐昱华由峻田晓明万涛董柏辰
Owner DALIAN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER
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