Near-field magnetic wafer full-duplex unauthorized magnetic communication method

A full-duplex, magnetic communication technology, applied in the direction of duplex signal operation, near-field transmission system, electrical components, etc., can solve the problems of low data transmission rate, insufficient transmission reliability, low real-time information exchange, etc. Information transmission, saving computing overhead, and ensuring the effect of data transmission efficiency

Pending Publication Date: 2022-07-29
XIAN TECHNOLOGICAL UNIV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides an electromagnetic field-based near-field full-duplex unauthorized communication method to overcome the low data transmission rate between a large number of functional modules of large-scale equipment and a control center under the realistic background of limited total amount of time-frequency resources in the prior art , The real-time nature of information interaction is low, and the transmission reliability is insufficient

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Near-field magnetic wafer full-duplex unauthorized magnetic communication method
  • Near-field magnetic wafer full-duplex unauthorized magnetic communication method
  • Near-field magnetic wafer full-duplex unauthorized magnetic communication method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0046] Embodiment: A near-field magnetic crystal element full-duplex unauthorized magnetic communication method provided by the present invention specifically includes the following steps:

[0047] Step 1. The near-magnetic field full-duplex data transceiver process between the functional module and the control center:

[0048] The example of the present invention completes the design of the full-duplex data transceiver method between the functional module and the control center for the first time in the near-magnetic field transmission medium. Through the use of full-duplex technology in the near magnetic field, the limited spectrum utilization rate of the near magnetic field is improved, and the timeliness of information exchange is guaranteed.

[0049] Specific steps are as follows:

[0050] Step 101. Near-magnetic field full-duplex data transmission:

[0051] The transmitting coils of the magnetic crystal element located on the functional module side and the control cent...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a near-field magnetic wafer full-duplex unauthorized magnetic communication method. According to the method, a magnetic wafer composed of an excitation coil and a tunnel magnetoresistive sensor located in the center is used as a function module and a transmitting and receiving antenna on the two sides of a control center, and simultaneous same-frequency full duplex data acquisition is completed by means of a short-distance strong coupling electromagnetic field transmission medium. Firstly, a double-side modulation module takes a modulation signal as excitation coil current input, a same-frequency induction magnetic field is generated in a magnetic wafer space, a tunnel magnetoresistive sensor receives a magnetic signal, and electric signal near-magnetic channel gain is analyzed; secondly, near-magnetic channel gains at the positions of the tunnel magnetoresistive sensors on the two sides are obtained through a self-interference channel estimation module, and self-interference signals on the self-magnetic wafer side are reconstructed; and the self-interference elimination module eliminates the self-interference signal from the received signal and demodulates the demand data. According to the method, on the premise that the transmission rate is guaranteed, the two-way transmission duration is shortened to be half of the original duration, and the problem of data exchange reliability caused by equipment cableless module scheduling time delay is solved.

Description

technical field [0001] The invention belongs to the field of short-range communication design, and mainly relates to the wireless communication design of equipment functional units and a control center, in particular to an unlicensed near-field full-duplex communication method based on an electromagnetic field. Background technique [0002] The magnetic communication method using the electromagnetic field as the transmission medium has the characteristics of high short-range transmission rate and controllable magnetic coupling anti-interference. It is an important technology to achieve wireless data transmission between internal functional modules and control centers without relying on frequency band authorization. It has attracted extensive attention from organizations such as China and the International Telecommunication Union. However, in the existing near-field half-duplex magnetic communication technology using the energized coil as the transceiver antenna, the rate cou...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H04B5/00H04L5/14
CPCH04B5/0081H04L5/14
Inventor 张玉芳王鹏王宾陈晨邸若海李晓艳吕志刚郜辉贺楚超董绵绵孙玉冰连志鹏
Owner XIAN TECHNOLOGICAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products