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CN-121986522-A - Power control method, device, system, storage medium, and program product

CN121986522ACN 121986522 ACN121986522 ACN 121986522ACN-121986522-A

Abstract

The present disclosure relates to power control methods, devices, systems, storage media, and program products. The power control method is executed by the environment Internet of things equipment and comprises the steps of determining information sent by the environment Internet of things equipment to a reader-writer, determining power for sending the information, and sending the information to the reader-writer with the power.

Inventors

  • ZHAO WENSU

Assignees

  • 北京小米移动软件有限公司

Dates

Publication Date
20260505
Application Date
20251028

Claims (15)

  1. 1. A method of power control performed by an environmental internet of things device, the method comprising: determining information sent by the environment Internet of things equipment to a reader-writer, and determining the power for sending the information; And transmitting the information to the reader-writer at the power.
  2. 2. The method of claim 1, wherein said determining the power at which to transmit said information comprises: Determining the power of the transmitted information as the maximum transmission power or as the power determined by adopting an open loop power control mode based on the repeated transmission condition of the information, or The power is fixedly determined as the power determined by adopting an open loop power control mode.
  3. 3. The method of claim 2, wherein the determining, based on the repeated transmission of the information, the power at which the information is transmitted to be the maximum transmission power or the power determined in an open loop power control manner comprises at least one of: The repeated sending times of the information is larger than or equal to a time threshold value, and the power for sending the information is determined to be the maximum sending power; the repeated sending times of the information is smaller than a time threshold value, and the power for sending the information is determined to be the power determined by adopting an open loop power control mode; The repeated transmission level of the information is larger than or equal to a level threshold value, and the power for transmitting the information is determined to be the maximum transmission power; The repeated transmission level of the information is smaller than a level threshold value, and the power for transmitting the information is determined as the power determined by adopting an open loop power control mode; the repeated transmission level of the information is the highest level, and the power for transmitting the information is determined to be the maximum transmission power; the repeated transmission level of the information is not the highest level, and the power for transmitting the information is determined by adopting an open loop power control mode.
  4. 4. A method according to any of claims 2-3, characterized in that the power determined in an open loop power control manner is a power determined based on at least one of the following: A maximum transmission power value; A path loss factor; A path loss value; A target power value; The transmission bandwidth of the information.
  5. 5. The method according to any of claims 1-4, wherein the information comprises at least one of: Data information; Control information.
  6. 6. A method of power control, performed by a reader/writer, the method comprising: And acquiring information sent by the environment Internet of things equipment, wherein the sending power of the information is determined by the environment Internet of things equipment.
  7. 7. The method of claim 6, wherein the transmission power of the information is determined to be the maximum transmission power or to be the power determined in an open loop power control manner based on the repeated transmission of the information, or The transmission power of the information is fixed to a power determined in an open loop power control manner.
  8. 8. The method of claim 7, wherein the transmission power of the information is determined to be a maximum transmission power based on repeated transmission of the information or determined to be a power determined in an open loop power control manner, comprising at least one of: the sending power of the information is determined to be the maximum sending power when the repeated sending times of the information is larger than or equal to a time threshold value; the sending power of the information is determined to be the power determined by adopting an open loop power control mode under the condition that the repeated sending times of the information is smaller than a time threshold; the transmission power of the information is determined as the maximum transmission power in the case that the repeated transmission level of the information is greater than or equal to the level threshold; the transmission power of the information is determined to be the power determined by adopting an open loop power control mode under the condition that the repeated transmission level of the information is smaller than a level threshold value; The transmission power of the information is determined as the maximum transmission power in the case where the repeated transmission level of the information is the highest level; And determining the transmission power of the information as the power determined by adopting an open loop power control mode under the condition that the repeated transmission level of the information is not the highest level.
  9. 9. The method according to any of claims 7-8, wherein the power determined in an open loop power control manner is a power determined based on at least one of: A maximum transmission power value; A path loss factor; A path loss value; A target power value; The transmission bandwidth of the information.
  10. 10. The method according to any of claims 6-9, wherein the information comprises at least one of: Data information; Control information.
  11. 11. A method of power control, the method comprising: the method comprises the steps that environment Internet of things equipment determines information sent to a reader-writer and determines power for sending the information; And the environment Internet of things equipment sends the information to the reader-writer with the power.
  12. 12. A power control device, characterized in that the power control device is arranged to perform the method of any of claims 1-5, 6-10.
  13. 13. A power control system comprising an ambient internet of things device configured to implement the power control method of any of claims 1-5 and a reader configured to implement the method of any of claims 6-10.
  14. 14. A storage medium storing instructions that, when executed on a power control device, cause the power control device to perform the method of any of claims 1-5, 6-10.
  15. 15. A program product comprising at least one of a program, instructions, characterized in that the at least one of a program, instructions, when executed by a power control device, implements the steps of the method of any of claims 1-5, 6-10.

Description

Power control method, device, system, storage medium, and program product Technical Field The present disclosure relates to the field of communications technologies, and in particular, to a power control method, apparatus, system, storage medium, and program product. Background In the field of communication technology, the internet of things (Internet of Things, ioT) communication demand is rising. IoT devices are also increasingly being used, such as enhanced machine type Communications (eMTC), low capability terminals (Reduced Capability, redCap), environmental IoT devices (also referred to as Ambient IoT devices, AIOT, or passive internet of things devices), and the like. The communication process of IoT devices is increasingly standardized. Disclosure of Invention Embodiments of the present disclosure need to address power control of environmental internet of things devices. Embodiments of the present disclosure provide a power control method, apparatus, system, storage medium, and program product. According to a first aspect of an embodiment of the disclosure, a power control method is provided, which is executed by an environmental internet of things device, and the method includes determining information sent by the environmental internet of things device to a reader-writer, determining power for sending the information, and sending the information to the reader-writer with the power. According to a second aspect of the embodiment of the present disclosure, a power control method is provided and executed by a reader, where the method includes obtaining information sent by an environmental internet of things device, where a sending power of the information is determined by the environmental internet of things device. According to a third aspect of the embodiment of the present disclosure, a power control method is provided, where the method includes that an environmental internet of things device determines information sent to a reader-writer and determines power for sending the information, and the environmental internet of things device sends the information to the reader-writer with the power. According to a fourth aspect of embodiments of the present disclosure, a power control apparatus is provided, which is configured to perform the power control method of any one of the first aspect and the second aspect. According to a fifth aspect of an embodiment of the present disclosure, a communication system is provided, including an environmental internet of things device configured to implement the power control method of the first aspect, and a reader configured to implement the power control method of the second aspect. According to a sixth aspect of the embodiments of the present disclosure, a storage medium is provided, the storage medium storing instructions that, when executed on a power control device, cause the power control device to perform the power control method as in any one of the first aspect and the first aspect or in any one of the second aspect and the second aspect. According to a seventh aspect of the embodiments of the present disclosure, a program product is proposed, comprising at least one of a program, an instruction, which when executed by a power control device, implements the power control method of any one of the first aspect, the second aspect. The power of the information is determined through the environment Internet of things equipment, so that the power control of the environment Internet of things equipment is realized. Drawings In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following description of the embodiments refers to the accompanying drawings, which are only some embodiments of the present disclosure, and do not limit the protection scope of the present disclosure in any way. Fig. 1A is a schematic diagram of a communication system architecture shown in accordance with an embodiment of the present disclosure. Fig. 1B is a basic schematic diagram of communication of the internet of things of environmental energy. Fig. 1C is a schematic diagram of backscatter communications. Fig. 1D is a schematic circuit diagram of resistive load modulation. Fig. 1E is a schematic diagram of ASK modulated signal processing. Fig. 1F shows an example schematic diagram of a topology. Fig. 1G shows another example schematic diagram of a topology. Fig. 2 is a schematic diagram illustrating a power control method interaction according to an embodiment of the present disclosure. Fig. 3 is a flow chart diagram illustrating a power control method according to an embodiment of the present disclosure. Fig. 4A is a schematic structural diagram of an environmental internet of things device according to an embodiment of the present disclosure. Fig. 4B is a schematic structural diagram of a reader/writer according to an embodiment of the present disclosure. Fig. 5A is a schematic structural diagram of a power control device accor