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CN-122002563-A - Communication method, device and system

CN122002563ACN 122002563 ACN122002563 ACN 122002563ACN-122002563-A

Abstract

The application provides a communication method, a device and a system, which are applied to the technical field of communication. The communication method provided by the application can improve the efficiency of the communication equipment in using the wireless signal to charge energy. The communication method includes the second communication device sending first information to the first communication device, the first information being used to determine a first waveform. The second communication device receives a first waveform from the first communication device, the first waveform for wireless charging.

Inventors

  • LI CHENG
  • LIU YATING
  • WU FANGZHOU

Assignees

  • 华为技术有限公司

Dates

Publication Date
20260508
Application Date
20241106

Claims (15)

  1. 1.A method of communication, the method comprising: transmitting first information to a first communication device, the first information being used to determine a first waveform; a first waveform is received from the first communication device, the first waveform for wireless charging.
  2. 2. The method of claim 1, wherein the first information comprises information indicating at least one of: A first power peak, a first duty cycle value, a first power peak adjustment amount, a first duty cycle adjustment amount, a first number of bytes, a first frequency interval, a first frequency bandwidth, or a desired waveform.
  3. 3. The method of claim 2, wherein the first waveform satisfies at least one of: The difference between the power peak value of the first waveform and the first power peak value is within a first threshold value; or the difference between the duty cycle value of the first waveform and the first duty cycle value is within a second threshold; or the difference between the first difference value of the first waveform and the first power peak value adjustment amount is within a third threshold value, wherein the first difference value is the difference value between the power peak value of the waveform and the power peak value of a second waveform, and the second waveform is the waveform received before the first information is sent; Or the difference between the second difference value of the first waveform and the first duty cycle adjustment amount is within a fourth threshold value, wherein the second difference value is the difference value between the duty cycle value of the waveform and the duty cycle value of the second waveform; or the difference between the syllable number of the first waveform and the first syllable number is within a fifth threshold; or the difference value between the frequency interval corresponding to the first waveform and the first frequency interval is within a sixth threshold value; Or the difference value between the frequency bandwidth of the first waveform and the first frequency bandwidth is within a seventh threshold value; Or the first waveform is the desired waveform.
  4. 4. A method according to any of claims 1-3, characterized in that before said sending the first information to the first communication device, the method further comprises: At least one second waveform from the first communication device is received, the second waveform being for wireless charging.
  5. 5. A method of communication, the method comprising: Receiving first information from a second communication device; And transmitting a first waveform to the second communication device, wherein the first waveform is determined according to the first information, and the first waveform is used for wireless charging of the second communication device.
  6. 6. The method of claim 5, wherein the first waveform belongs to a first set of waveforms, the first set of waveforms comprising a plurality of waveforms satisfying at least one of: The peak average power ratio of the waveforms is different, the periods of the waveforms are different, the waveform occupation time of each waveform in the waveforms in a single period is the same, each waveform in the waveforms is composed of a plurality of single-tone waveforms with the same adjacent frequency interval and different syllable numbers, and each waveform in the waveforms is composed of a plurality of single-tone waveforms with the same frequency bandwidth and different syllable numbers.
  7. 7. The method of claim 5 or 6, wherein the first information comprises information indicative of at least one of: A first power peak, a first duty cycle value, a first power peak adjustment amount, a first duty cycle adjustment amount, a first number of bytes, a first frequency interval, a first frequency bandwidth, or a desired waveform of the second communication device.
  8. 8. The method of claim 7, wherein the first waveform is determined from the first information, comprising at least one of: The difference between the power peak value of the first waveform and the first power peak value is within a first threshold value; or the difference between the duty cycle value of the first waveform and the first duty cycle value is within a second threshold; Or the difference between the first difference value of the first waveform and the first power peak value adjustment amount is within a third threshold value, wherein the first difference value is the difference value between the power peak value of the waveform and the power peak value of a second waveform, and the second waveform is the waveform sent before the first information is received; Or the difference between the second difference value of the first waveform and the first duty cycle adjustment amount is within a fourth threshold value, wherein the second difference value is the difference value between the duty cycle value of the waveform and the duty cycle value of the second waveform; or the difference between the syllable number of the first waveform and the first syllable number is within a fifth threshold; or the difference value between the frequency interval corresponding to the first waveform and the first frequency interval is within a sixth threshold value; Or the difference value between the frequency bandwidth of the first waveform and the first frequency bandwidth is within a seventh threshold value; Or the first waveform is a waveform desired by the second communication device.
  9. 9. The method according to any of claims 5-8, wherein prior to said receiving the first information from the second communication device, the method further comprises: and sending a second waveform to the second communication device, wherein the second waveform is used for wireless charging of the second communication device.
  10. 10. The method of claim 9, wherein the transmitting the second waveform to the second communication device comprises: all or a portion of the waveforms in the first set of waveforms are transmitted to the second communication device.
  11. 11. A communication device, characterized in that it comprises means or units for implementing the method of any of claims 1-4, or means or units for implementing the method of any of claims 5-10.
  12. 12. A communication device comprising a processor and interface circuitry for communicating with devices other than the communication device, the processor for executing instructions stored in a memory, which when executed by the processor, cause the communication device to perform the method of any one of claims 1-4 or cause the communication device to perform the method of any one of claims 5-10.
  13. 13. A computer-readable storage medium having instructions stored thereon that, when executed by a computer, cause the method of any of claims 1-4 to be performed or cause the method of any of claims 5-10 to be performed.
  14. 14. A computer program product comprising instructions which, when executed by a computer, cause the method of any one of claims 1-4 to be performed or cause the method of any one of claims 5-10 to be performed.
  15. 15. A communication system comprising a first communication device and a second device, wherein the second communication device is adapted to perform the method of any of claims 1-4, and the first communication device is adapted to perform the method of any of claims 5-10.

Description

Communication method, device and system Technical Field The present application relates to the field of communications technologies, and in particular, to a communications method, apparatus, and system. Background The wireless energy transmission is one of means that a terminal (for example, a low-power-consumption terminal) charges by using a radio signal, after receiving an electromagnetic wave signal, the terminal can convert the energy carried by the wireless signal into direct current through a rectifying circuit and store the direct current, and then provides electric quantity supply for other modules, including communication/calculation/chip/sensor and the like. However, the efficiency of charging by using wireless signals is low at present. Disclosure of Invention The embodiment of the application provides a communication method, a device and a system, which can improve the energy charging efficiency of communication equipment through wireless signals. The embodiment of the application adopts the following technical scheme: In a first aspect, a communication method is provided, which may be performed by a second communication device, or by a module (e.g. a processor, a chip, or a system-on-chip, etc.) applied to the second communication device. The method includes the second communication device transmitting first information to the first communication device, the first information being used to determine a first waveform. The second communication device receives a first waveform from the first communication device, the first waveform for wireless charging. According to the communication method provided by the embodiment of the application, the second communication device can send the information for determining the first waveform to the first communication device, so that the first communication device can determine the waveform (namely the first waveform) of the wireless charging signal sent to the second communication device according to the first information, self-adaptive adjustment of the charging waveform suitable for the second communication device can be realized, and the charging efficiency is improved. In one possible design, the first information includes information indicative of at least one of a first power peak, a first duty cycle value, a first power peak adjustment, a first duty cycle adjustment, a first number of bytes, a first frequency interval, a first frequency bandwidth, or a desired waveform. The scheme provides various information which can be used for determining the first waveform and can be suitable for different application scenes. In one possible design, the first waveform meets at least one of a power peak of the first waveform and a difference of the first power peak being within a first threshold, or a duty cycle value of the first waveform and a difference of the first duty cycle value being within a second threshold, or a first difference of the first waveform and a first power peak adjustment amount being within a third threshold, wherein the first difference is a difference of the power peak of the waveform and a power peak of the second waveform, and the second waveform is a waveform received before the first information is transmitted, or a second difference of the first waveform and a difference of the first duty cycle adjustment amount being within a fourth threshold, wherein the second difference is a difference of the duty cycle value of the waveform and the duty cycle value of the second waveform, or a difference of a syllable number of the first waveform and a first pitch number is within a fifth threshold, or a difference of a frequency interval corresponding to the first waveform and a first frequency interval is within a sixth threshold, or a difference of a frequency bandwidth of the first waveform and a first frequency bandwidth is within a seventh threshold, or the first desired waveform. Based on the scheme, a plurality of implementations for determining the first waveform based on the first information are provided, and the method and the device can be suitable for different application scenes. In one possible design, the method further comprises, prior to transmitting the first information to the first communication device: the second communication device receives at least one second waveform from the first communication device, the second waveform for wireless charging. Based on the scheme, the second communication equipment can determine and send the first information after receiving the second waveform, so as to adjust the waveform of the wireless charging signal sent by the subsequent first communication equipment, and improve the charging efficiency. In a second aspect, a communication method is provided that may be performed by a first communication device or by a module (e.g., a processor, chip, or system-on-chip, etc.) applied to the first communication device. The method includes the first communication device receiving first informatio