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Broadband power line carrier communication transmitting equipment and receiving equipment

A broadband power line and carrier communication technology, applied in the distribution line transmission system, etc., can solve problems such as difficult equipment maintenance, BPLC signal attenuation, poor node communication quality, etc., to improve communication quality and network reliability, reduce and maintain Cost, the effect of improving network reliability

Active Publication Date: 2016-06-08
BEIJING SIGBEAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Broadband power line communication technology BPLC (BPLC: BroadPowerLineCarrier) technology will have the following problems in actual network deployment and application: when there is no available power line between nodes, the pair of nodes will not be able to use BPLC to communicate; when nodes When crossing the meter or transformer, the BPLC signal is greatly attenuated. At this time, the communication quality between nodes is very poor, or even unable to connect; when the nodes are severely interfered, the communication quality between nodes is very poor, or even impossible to connect.
[0005] In the above-mentioned BPLC network, PLC nodes and wireless nodes cannot directly network and communicate, and additional gateway equipment is required; PLC network operators need to maintain both the PLC network and the wireless network at the same time.
Although it solves the connectivity problem, this method has complex configuration, high configuration and operation costs, and difficult equipment maintenance

Method used

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  • Broadband power line carrier communication transmitting equipment and receiving equipment
  • Broadband power line carrier communication transmitting equipment and receiving equipment
  • Broadband power line carrier communication transmitting equipment and receiving equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Such as figure 1 As shown, the broadband power line carrier communication transmission device of this embodiment includes a digital signal processing unit 120 at the transmitting end, a PLC analog front end 130 at the transmitting end, an upconverter 150, a filter 160 at the transmitting end, a power adjustment unit 170 at the transmitting end, and an antenna 300; The sending end digital signal processing unit 120 is connected with the sending end PLC analog front end 130, and is used for performing digital signal processing on the data to be transmitted, generating an OFDM modulated signal, and sending it to the sending end PLC analog front end 130; The front-end 130 is connected with the up-converter 150 for converting the OFDM modulation signal into a PLC analog signal and sending it to the up-converter 150; the up-converter 150 is connected with the transmitting filter 160 for The PLC analog signal is up-converted to the first frequency point for wireless transmissi...

Embodiment 2

[0068] In this embodiment, on the basis of Embodiment 1, the broadband power line carrier communication sending device realizes the sending function of the broadband power line carrier communication.

[0069] Such as figure 2 As shown, the broadband power line carrier communication sending device of this embodiment also includes a sending end PLC coupler 140; the sending end PLC analog front end 130 is also connected to the sending end PLC coupler 140 for sending the PLC analog signal to The sending end PLC coupler 140;

[0070] The sending end PLC coupler 140 is connected to the mains network, and is used to couple the PLC analog signal to the power line for transmission.

[0071] It should be noted that, in this embodiment, the PLC coupler 140 at the sending end is an independently configured hardware module.

[0072] The broadband power line carrier communication sending device of this embodiment has two communication modes of broadband power line carrier communication a...

Embodiment 3

[0074] In this embodiment, on the basis of Embodiment 2, the function of the broadband power line carrier communication sending device to switch the broadband power line carrier communication working mode and / or the wireless communication working mode is described.

[0075] Such as image 3 As shown, the broadband power line carrier communication sending device of this embodiment further includes a sending end mode controller 180, and the sending end mode controller 180 is respectively connected to the sending end PLC analog front end 130, the sending end PLC coupler 140 and the upconverter 150 , for sending the PLC analog signal output by the PLC analog front end 130 at the sending end to the PLC coupler 140 or the up-converter 150 at the sending end for network transmission.

[0076] It should be noted that, in this embodiment, the sender mode controller 180 is an independently configured hardware module.

[0077] The transmitter mode controller of the broadband power line ...

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PUM

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Abstract

The invention belongs to the field of broadband power line carrier communications and wireless communications, and especially relates to broadband power line carrier communication transmitting equipment and receiving equipment. The broadband power line carrier communication transmitting equipment comprises a transmitting end digital signal processing unit, a transmitting end PLC (Programmable Logic Controller) analog front end, an up converter, a transmitting end filter, a transmitting end power adjustment unit, and an antenna. The broadband power line carrier communication receiving equipment comprises a receiving end digital signal processing unit, a receiving end PLC analog front end, a down converter, a receiving end filter, a receiving end power adjustment unit, and an antenna. The broadband power line carrier communication transmitting equipment and receiving equipment provided by the invention support a broadband power line carrier communication work pattern and a wireless communication work pattern, and improve the communication quality and network reliability of a PLC network.

Description

technical field [0001] The invention belongs to the field of broadband power line carrier communication and wireless communication, and in particular relates to a sending device and a receiving device of broadband power line carrier communication. Background technique [0002] Power line communication technology PLC (PLC: PowerLineCarrier) can directly use the existing power line for data transmission without rewiring. [0003] Broadband power line communication technology BPLC (BPLC: BroadPowerLineCarrier) technology will have the following problems in actual network deployment and application: when there is no available power line between nodes, the pair of nodes will not be able to use BPLC to communicate; when nodes When crossing the meter or transformer, the BPLC signal is greatly attenuated. At this time, the communication quality between nodes is very poor, or even unable to connect; when the nodes are severely interfered, the communication quality between nodes is ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/54
CPCH04B3/54
Inventor 张国松吴彦奇南洋
Owner BEIJING SIGBEAN INFORMATION TECH CO LTD
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