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System, method and device for transmitting and receiving wireless messages

A technology of receiving equipment and transmitting equipment, which is applied in the direction of near-field transmission systems, transmission systems, and near-field transmission systems using transceivers, and can solve problems such as signal deformation, decoding errors, and inability to correctly intercept signals, etc.

Active Publication Date: 2021-08-20
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiment of the present application provides a system and method for transmitting and receiving energy-carrying wireless messages to solve the problem that the modulated signal is affected by the mutual inductance between the coupling coils due to the fixed resonance frequency of the coupling coils in the prior art. The resulting impedance problem makes the signal received by the receiving device prone to deformation, frequency offset or signal deformation, and it is easy to cause the signal to not be intercepted correctly during the filtering process, resulting in decoding errors

Method used

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  • System, method and device for transmitting and receiving wireless messages
  • System, method and device for transmitting and receiving wireless messages
  • System, method and device for transmitting and receiving wireless messages

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Embodiment Construction

[0049] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0050] In order to illustrate the technical solutions described in this application, specific examples are used below to illustrate.

[0051] Wireless charging technology is a new energy supply method, which breaks away from the shackles of cables required by traditional electric energy. Wireless charging technology loads a certain frequency energy signal to the transmitting coil th...

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Abstract

The present application belongs to the field of wireless charging, and provides a system, method and device for transmitting and receiving energy-carrying wireless messages. The method includes: determining the resonant frequency of a magnetic resonance coupling coil used for transmitting signals; Based on the modulated carrier; according to the generated carrier, modulate the information to be transmitted to obtain a modulated signal; convert the modulated signal into an analog signal, so that the magnetic resonance coupling coil sends the analog signal. Since the signal and energy to be transmitted are modulated with the resonant frequency as the carrier, no power amplifier is needed, which simplifies the system framework, reduces frequency offset and signal distortion, and improves the decoding accuracy.

Description

technical field [0001] The present application belongs to the field of wireless charging, and in particular relates to a system, method and device for transmitting and receiving energy-carrying wireless messages. Background technique [0002] Portable wireless charging technology is a new fusion technology of wireless communication and magnetic resonance coupling wireless charging. While transmitting wireless information to the wireless signal receiving device, energy signals can also be transmitted to the wireless signal receiving device. The wireless signal receiving device obtains the energy in the communication signal through the conversion circuit according to the received energy signal. [0003] The current energy-carrying wireless message transmission generally includes a separate mechanism-carrying signal transmission and an integrated mechanism-carrying signal transmission. In the integrated mechanism, the modulation technology in wireless communication is adopted...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B5/00H04B5/02
CPCH04B5/0037H04B5/0043H04B5/02
Inventor 何发瑛赵毓斌须成忠
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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