Power line communication signal adaptive reconstruction method

A power line communication and adaptive technology, applied in distribution line transmission systems, electrical components, wired transmission systems, etc., can solve problems such as data loss

Inactive Publication Date: 2019-01-11
GUANGDONG UNIV OF PETROCHEMICAL TECH
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a power line communication signal adaptive reconstruction method to solve the problem of missing data in the prior art when PLC signals are transmitted through medium and low voltage power networks

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  • Power line communication signal adaptive reconstruction method
  • Power line communication signal adaptive reconstruction method
  • Power line communication signal adaptive reconstruction method

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Embodiment Construction

[0052] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0053]Aiming at the problem of missing data in existing PLC signals transmitted through medium and low-voltage power networks, the invention provides an adaptive reconstruction method for power line communication signals.

[0054] Such as figure 1 As shown, the power line communication signal adaptive reconstruction method provided by the embodiment of the present invention includes:

[0055] S101, collecting the power line communication signal sequence and converting it into a signal matrix;

[0056] S102. Construct a transformation operator matrix according to the converted signal matrix;

[0057] S103, constructing a measurement matrix;

[0058] S104, determine the reconstruction weight, iteratively update the signal matrix according to the obtaine...

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Abstract

The present invention provides a power line communication signal adaptive reconstruction method which can reconstruct and generate a power line communication signal sequence without missing data. Themethod comprises the steps of: collecting the power line communication signal sequence, and converting the power line communication signal sequence to a signal matrix; according to the signal matrix obtained through conversion, constructing a conversion operator matrix; constructing a measurement matrix; determining a reconstruction weight, iterating and updating the signal matrix according to theobtained conversion operator matrix, the reconstruction weight and the constructed measurement matrix until the number of the current iteration times is equal to the length of the power line communication signal sequence; and converting the current obtained signal matrix to generate a power line communication signal sequence without missing data. The power line communication signal adaptive reconstruction method relates to the field of communication.

Description

technical field [0001] The invention relates to the communication field, in particular to a power line communication signal adaptive reconstruction method. Background technique [0002] Compared with various wired communication technologies, Power Line Communications (PLC) has the advantages of no need for rewiring and easy networking, and has broad application prospects. The power line communication technology is divided into narrowband power line communication (Narrowband over power line, NPL) and broadband power line communication (Broadband over power line, BPL). Narrowband power line communication refers to the power line carrier communication technology with a bandwidth limited to 3k-500kHz. Including the regulated bandwidth of CENELEC in Europe (3~148.5kHz), the regulated bandwidth of the U.S. Federal Communications Commission (FCC) (9~490kHz), and the regulated bandwidth of the Association of Radio Industries and Businesses (ARIB) in Japan ( 9~450kHz), and China's ...

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Application Information

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IPC IPC(8): H04B3/54
CPCH04B3/542
Inventor 翟明岳
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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