Waveform Design of Data-energy Integration Based on Packet Filtering

A waveform design and filter technology, applied in digital transmission systems, modulation carrier systems, electrical components, etc., can solve the problem of low utilization value of signal transmission

Active Publication Date: 2021-11-23
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This spectrum is not very valuable for signal transmission, but it can insert scattered filtered energy signals

Method used

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  • Waveform Design of Data-energy Integration Based on Packet Filtering
  • Waveform Design of Data-energy Integration Based on Packet Filtering
  • Waveform Design of Data-energy Integration Based on Packet Filtering

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Embodiment Construction

[0119] The present invention provides a wave form design based on packet filtering, which is based on the integration of data and energy. Specifically, it involves making some corrections to the energy receiving model on the basis of the nonlinear energy receiving model to adapt to Universal Filtered Multi-Carrier (UFMC). ) system, and design the waveform design method of UFMC signal.

[0120] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0121] The digital-energy-integrated waveform design based on packet filtering specifically includes the following steps:

[0122] S1. Establishing a Universal Filtered Multi-Carrier (UFMC) system model: the core technology of the Universal Filtered Multi-Carrier (UFMC) is packet filtering. Compared with the traditional ofdm system, UFMC adds subcarrier grouping and digital filtering after IDFT. This is a practice of exchanging computing performance for spectral efficie...

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Abstract

The present invention provides a digital-energy-integrated waveform design based on packet filtering, which includes the following steps: establishing a general-purpose filtering multi-carrier system model: (1) grouping subcarriers and performing IDFT transformation to obtain an IDFT sequence; (2) converting the IDFT sequence to The discrete sequence is obtained through FIR filter processing; (3) D / A conversion is performed on the discrete sequence to obtain the baseband signal; (4) The baseband signal is moved to the set frequency to determine the system model to be detected; (5) According to the energy Use the strategy to analyze the preferred signal, that is, the analysis of the modulated signal based on UMFC; the analysis of the non-modulated signal based on UMFC; the analysis of the mixed modulated signal based on UMFC; the analysis of OFDM signal based on UMFC; optimization solution.

Description

technical field [0001] The invention relates to a method for processing a data-energy integrated communication network, in particular to a waveform design based on packet filtering. Background technique [0002] There are two basic understandings of energy transmission based on radio frequency signals. One is that a constant sine wave signal has better transmission performance, and the other is that energy reception has nonlinear characteristics. Generally speaking, if you want to improve the energy transfer efficiency of a signal, the most direct way is to add a constant sine wave signal to the signal in some way. But for this kind of waveform of OFDM, a slight frequency offset will cause the demodulation ability of the signal to deteriorate. High-power subcarriers have a particularly severe impact on adjacent low-power subcarriers. If the signal can filter out the out-of-band signal in advance, then this will greatly improve the stability of the system. [0003] The mai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/26
CPCH04L27/2601H04L27/264H04L27/265H04L27/2688
Inventor 于秦徐桂琼余俊良杨鲲
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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