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EP-4318875-B1 - CAPABILITY DETERMINATION METHOD AND APPARATUS, AND CAPABILITY INDICATION METHOD AND APPARATUS

EP4318875B1EP 4318875 B1EP4318875 B1EP 4318875B1EP-4318875-B1

Inventors

  • HONG, WEI

Dates

Publication Date
20260506
Application Date
20210326

Claims (15)

  1. A capability determination method, performed by a terminal, comprising: receiving capability information sent by a base station of a cellular mobile communication network (S101); determining a wireless charging capability of the base station according to the capability information (S102); the method being characterized by further comprising: determining a target base station for cell selection or cell reselection among candidate base stations according to a wireless charging capability of each of the candidate base stations (S301).
  2. The method according to claim 1, wherein the wireless charging capability comprises one of: supporting wireless charging, or not supporting wireless charging.
  3. The method according to claim 1 or 2, wherein the method further comprises: determining a wireless charging configuration of the base station according to the capability information in response to determining that the base station supports wireless charging (S201).
  4. The method according to claim 3, wherein the wireless charging configuration comprises at least one of: a wireless charging power, a wireless charging duration, or a wireless charging frequency.
  5. The method according to claim 1, wherein determining the target base station for cell selection or cell reselection among the candidate base stations according to the wireless charging capability information of each of the candidate base stations comprises: determining the target base station among the candidate base stations according to the wireless charging capability information of each candidate base station in response to an electric quantity of the terminal being lower than an electric quantity threshold (S401).
  6. The method according to claim 1, wherein determining the target base station for cell selection or cell reselection among the candidate base stations according to the wireless charging capability information of each of the candidate base stations comprises: determining the target base station among the candidate base stations according to the wireless charging capability and signal quality of each candidate base station (S501).
  7. The method according to claim 1, wherein determining the target base station for cell selection or cell reselection among the candidate base stations according to the wireless charging capability information of each of the candidate base stations comprises: determining candidate charging base stations supporting wireless charging among the candidate base stations, and determining a wireless charging configuration of each of the candidate charging base stations (S601); and determining the target base station among the candidate charging base stations according to the wireless charging configuration and signal quality of each candidate charging base station (S602).
  8. The method according to claim 7, wherein determining the target base station among the candidate charging base stations according to the wireless charging configuration and the signal quality of each candidate charging base station comprises: performing weighted summation on the wireless charging configuration and the signal quality of the candidate charging base station to obtain reference information; and determining the target base station among the candidate charging base stations according to reference information of each candidate charging base station.
  9. The method according to claim 8, wherein determining the target base station among the candidate charging base stations according to the wireless charging configuration and the signal quality of each candidate charging base station further comprises: determining a weight for the wireless charging configuration of the candidate charging base station according to a matching degree between a wireless charging configuration required by the terminal and the wireless charging configuration of the candidate charging base station.
  10. A capability indication method, performed by a communication system comprising a terminal and a base station of a cellular mobile communication network, comprising: sending, by the base station, capability information to the terminal, wherein the capability information is configured to indicate a wireless charging capability of the base station; receiving, by the terminal, the capability information sent by the base station; determining, by the terminal, the wireless charging capability of the base station according to the capability information; the method being characterized by further comprising: determining, by the terminal, a target base station for cell selection or cell reselection among candidate base stations according to a wireless charging capability of each of the candidate base stations.
  11. The method according to claim 10, wherein the wireless charging capability comprises one of: supporting wireless charging, or not supporting wireless charging.
  12. The method according to claim 10 or 11, further comprising: determining, by the terminal, a wireless charging configuration of the base station according to the capability information in response to determining that the base station supports wireless charging.
  13. The method according to claim 12, wherein the wireless charging configuration comprises at least one of: a wireless charging power, a wireless charging duration, or a wireless charging frequency.
  14. A terminal, comprising: a capability receiving module (801), configured to receive capability information sent by a base station of a cellular mobile communication network; and a capability determination module (802), configured to determine a wireless charging capability of the base station according to the capability information, the terminal being characterized by further comprising: a base station determination module (1001), configured to determine a target base station for cell selection or cell reselection among candidate base stations according to a wireless charging capability of each candidate base station.
  15. A communication system, comprising a terminal and a base station of a cellular mobile communication network, the base station being configured to send capability information to the terminal, wherein the capability information is configured to indicate a wireless charging capability of the base station, and the terminal being configured to receive the capability information sent by the base station, determine the wireless charging capability of the base station according to the capability information, and determine a target base station for cell selection or cell reselection among candidate base stations according to a wireless charging capability of each of the candidate base stations.

Description

TECHNICAL FIELD The present disclosure relates to the field of communication technologies, and in particular, to a capability determination method, a capability indication method, a terminal, and a communication system. BACKGROUND With the development of cellular mobile communication technology, especially the millimeter wave communication technology, more and more antennas can be configured on a base station. For example, Massive MIMO (Massive Multiple-Input Multiple-Output) technology in 5G relies on a large number of antennas for implementation. Based on a large number of antennas, some base stations can also provide a wireless charging service for a terminal. WO 2017/183815A1 discloses a method for collecting wireless charging status information. The method includes: a step of transmitting a receiver address message containing receiver identification information to a wireless power cloud service network after a receiver located in a charging area has been identified; a step of receiving, from the wireless power cloud service network, a transmitter control message containing a charging indicator indicating whether or not the charging of the identified receiver has been approved; and a step of starting power transmission to the receiver if the charging has been approved. US 2013/288600 A1 discloses a method providing wireless charging detection. The method includes: advertising by a wireless charging device, an availability for wireless charging over a wireless communication interface; scanning, by the wireless charging device, for wireless signals from one or more other wireless devices; providing, by the wireless charging device, information usable for characterizing charging capabilities of the wireless charging device; transmitting, by the wireless charging device, one or more wireless communication packets over the wireless communication interface, including the information usable for characterizing the charging capabilities of the wireless charging device, in response to receiving one or more wireless signals from the one or more other wireless devices; and providing, by the wireless charging device, power to the one or more other wireless devices over a wireless power interface. SUMMARY In view of this, the invention proposes a capability determination method, a capability indication method, a terminal and a communication system according to the respective independent claims.. According to a first aspect of the invention, a capability determination method is provided. The method is set forth in claim 1. Advantageous embodiments are the subject matter of the corresponding dependent claims.. According to a second aspect of the invention, a capability indication method is provided. The method is set forth in claim 10. Advantageous embodiments are the subject matter of the corresponding dependent claims.. According to a third aspect of the invention, a terminal comprising the features of claim 14 is provided. According to a fourth aspect of the invention,, a communication system comprising the features of claim 15 is provided. According to some embodiments of the present disclosure, the base station indicates the wireless charging capability to the terminal, so that the terminal can determine the wireless charging capability of the base station, and the terminal can selectively perform an appropriate action with reference to the wireless charging capability of the base station when performing subsequent actions. BRIEF DESCRIPTION OF THE DRAWINGS In order to illustrate technical solutions in embodiments of the present disclosure more clearly, the following briefly introduces the accompanying drawings used in the description of embodiments. FIG. 1 is a schematic flowchart of a capability determination method according to embodiments of the present disclosure.FIG. 2 is a schematic flowchart of another capability determination method according to embodiments of the present disclosure.FIG. 3 is a schematic flowchart of yet another capability determination method according to embodiments of the present disclosure.FIG. 4 is a schematic flowchart of yet another capability determination method according to embodiments of the present disclosure.FIG. 5 is a schematic flowchart of yet another capability determination method according to embodiments of the present disclosure.FIG. 6 is a schematic flowchart of yet another capability determination method according to embodiments of the present disclosure.Fig. 7 is a schematic flowchart of a capability indication method according to embodiments of the present disclosure.Fig. 8 is a schematic block diagram of a capability determination apparatus according to embodiments of the present disclosure.Fig. 9 is a schematic block diagram of another capability determination apparatus according to embodiments of the present disclosure.Fig. 10 is a schematic block diagram of yet another capability determination apparatus according to embodiments of the present disclosure.FIG. 11