Apparatus and Method for Transmitting/Receiving Power Transmitting Unit Presence Information in Wireless Charging Network

• US 20160105841A1
• Filed: 10/08/2015
• Published: 04/14/2016
• Est. Priority Date: 10/08/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: KANG, Hyeon-Jin
• Granted Patent: US 10,244,462 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04W 4/023 using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information

Abstract

The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for transmitting power transmitting unit (PTU) presence information is provided. The method includes receiving an advertisement message from a power receiving unit (PRU); determining whether a current state is a state that power is supplied to a resonator; and outputting PTU presence information indicating that a PTU exists, or transmitting the PTU presence information to a management server, if the current state is the state that the power is not supplied to the resonator.

Claims

1. A method for transmitting power transmitting unit (PTU) presence information in a wireless charging network, the method comprising:

receiving an advertisement message from a power receiving unit (PRU);

determining whether a current state is a state that power is not supplied to a resonator; and

performing at least one of outputting PTU presence information indicating that a PTU exists and transmitting the PTU presence information to a management server, if the current state is the state that the power is supplied to the resonator.

2. The method of claim 1, further comprising:

determining whether a charging attempt is detected from the PRU if the current state is a state that the power is not supplied to the resonator; and

performing a charging operation with the PRU if the charging attempt is detected from the PRU.

3. The method of claim 1, wherein the outputting of the PTU presence information comprises performing at least one of an operation of generating a beep, an operation of displaying a message, and an operation of playing a voice message.

4. The method of claim 1, wherein the transmitting of the PTU presence information to the management server comprises transmitting an advertisement message including the PTU presence information to the management server.

5. The method of claim 1, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

6. A method for transmitting power transmitting unit (PTU) presence information in a wireless charging network, the method comprising:

receiving an advertisement message from a power receiving unit (PRU);

determining whether a current state is a state that power is not supplied to a resonator;

determining whether a received signal strength of the advertisement message received from the PRU is greater than or equal to a threshold received signal strength if the current state is the state that the power is supplied to the resonator; and

outputting PTU presence information indicating that a PTU exists if the received signal strength of the advertisement message received from the PRU is greater than or equal to the threshold received signal strength.

7. The method of claim 6, further comprising:

transmitting the PTU presence information to a management server if the received signal strength of the advertisement message received from the PRU is less than the threshold received signal strength.

8. The method of claim 6, further comprising:

determining whether a charging attempt is detected from the PRU if the current state is a state that the power is not supplied to the resonator; and

performing a charging operation with the PRU if the charging attempt is detected from the PRU.

9. The method of claim 6, wherein the outputting of the PTU presence information comprises performing at least one of an operation of generating a beep, an operation of displaying a message, and an operation of playing a voice message.

10. The method of claim 7, wherein the transmitting of the PTU presence information to the management server comprises transmitting an advertisement message including the PTU presence information to the management server.

11. The method of claim 6, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

12. A method for receiving power transmitting unit (PTU) presence information in a wireless charging network, the method comprising:

transmitting an advertisement message to a PTU; and

receiving PTU presence information from a management server,

wherein the PTU presence information is transmitted to the management server if a state of the PTU is a state that power is supplied to a resonator when the PTU corresponding to the PTU presence information receives the advertisement message from a power receiving unit (PRU).

13. The method of claim 12, wherein the receiving the PTU presence information from the management server includes receiving an advertisement message including the PTU presence information from the management server.

14. The method of claim 12, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

15. A method for receiving power transmitting unit (PTU) presence information in a wireless charging network, the method comprising:

transmitting an advertisement message to a PTU; and

receiving PTU presence information from a management server,

wherein the PTU presence information is transmitted to the management server if a state of the PTU is a state that power is supplied to a resonator and received signal strength which is received in the PTU is less than threshold received signal strength when the PTU corresponding to the PTU presence information receives the advertisement message from a power receiving unit (PRU).

16. The method of claim 15, wherein the receiving of the PTU presence information from the management server includes receiving an advertisement message including the PTU presence information from the management server.

17. The method of claim 15, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

18. A method for transmitting/receiving power transmitting unit (PTU) presence information in a wireless charging network, the method comprising:

receiving PTU presence information from a PTU; and

transmitting the PTU presence information to a power receiving unit (PRU),

wherein the PTU presence information is transmitted to a management server if a state of the PTU is a state that power is supplied to a resonator when the PTU corresponding to the PTU presence information receives an advertisement message from the PRU.

19. The method of claim 18, wherein the receiving of the PTU presence information from the PTU includes receiving an advertisement message including the PTU presence information from the PTU, and

wherein the transmitting of the PTU presence information to the PRU includes transmitting an advertisement message including the PTU presence information to the PRU.

20. The method of claim 18, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

21. A method for transmitting/receiving power transmitting unit (PTU) presence information in a wireless charging network, the method comprising:

receiving PTU presence information from a PTU; and

transmitting the PTU presence information to a power receiving unit (PRU),

wherein the PTU presence information is transmitted to a management server if a state of the PTU is a state that power is supplied to a resonator and received signal strength of an advertisement message which the PTU receives is less than threshold received signal strength when the PTU corresponding to the PTU presence information receives the advertisement message from the PRU.

22. The method of claim 21, wherein the receiving of the PTU presence information from the PTU includes receiving an advertisement message including the PTU presence information from the PTU, and

wherein the transmitting of the PTU presence information to the PRU includes transmitting an advertisement message including the PTU presence information to the PRU.

23. The method of claim 21, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

24. A power transmitting unit (PTU) in a wireless charging network, the PTU comprising:

a receiver configured to perform an operation of receiving an advertisement message from a power receiving unit (PRU); and

a controller configured to perform an operation of determining whether a current state is a state that power is not supplied to a resonator, and an operation of outputting PTU presence information indicating that a PTU exists, or transmitting the PTU presence information to a management server, if the current state is the state that the power is supplied to the resonator.

25. The PTU of claim 24, wherein the controller performs an operation of determining whether a charging attempt is detected from the PRU if the current state is a state that the power is not supplied to the resonator, and an operation of controlling to perform a charging operation with the PRU if the charging attempt is detected from the PRU.

26. The PTU of claim 24, wherein the operation of outputting the PTU presence information comprises at least one of an operation of generating a beep, an operation of displaying a message, and an operation of playing a voice message.

27. The PTU of claim 24, wherein the operation of transmitting the PTU presence information to the management server comprises an operation of transmitting an advertisement message including the PTU presence information to the management server.

28. The PTU of claim 24, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

29. A power transmitting unit (PTU) in a wireless charging network, the PTU comprising:

a receiver configured to perform an operation of receiving an advertisement message from a power receiving unit (PRU); and

a controller configured to perform an operation of determining whether a current state is a state that power is not supplied to a resonator, an operation of determining whether received signal strength of the advertisement message received from the PRU is greater than or equal to threshold received signal strength if the current state is the state that the power is supplied to the resonator, and an operation of controlling to output PTU presence information indicating that a PTU exists if the received signal strength of the advertisement message received from the PRU is greater than or equal to the threshold received signal strength.

30. The PTU of claim 29, further comprising:

a transmitter configured to perform an operation of transmitting the PTU presence information to a management server if the received signal strength of the advertisement message received from the PRU is less than the threshold received signal strength.

31. The PTU of claim 29, wherein the controller performs an operation of determining whether a charging attempt is detected from the PRU if the current state is a state that the power is not supplied to the resonator, and an operation of controlling to perform a charging operation with the PRU if the charging attempt is detected from the PRU.

32. The PTU of claim 29, wherein the operation of outputting the PTU presence information comprises at least one of an operation of generating a beep, an operation of displaying a message, and an operation of playing a voice message.

33. The PTU of claim 30, wherein the operation of transmitting the PTU presence information to the management server comprises an operation of transmitting an advertisement message including the PTU presence information to the management server.

34. The PTU of claim 29, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

35. A power receiving unit (PRU) in a wireless charging network, the PRU comprising:

a transmitter configured to perform an operation of transmitting an advertisement message to a power transmitting unit (PTU); and

a receiver configured to perform an operation of receiving PTU presence information from a management server,

wherein the PTU presence information is transmitted to the management server if a state of the PTU is a state that power is supplied to a resonator when the PTU corresponding to the PTU presence information receives the advertisement message from the PRU.

36. The PRU of claim 35, wherein the operation of receiving the PTU presence information from the management server includes an operation of receiving an advertisement message including the PTU presence information from the management server.

37. The PRU of claim 35, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

38. A power receiving unit (PRU) in a wireless charging network, the PRU comprising:

a transmitter configured to perform an operation of transmitting an advertisement message to a power transmitting unit (PTU); and

a receiver configured to perform an operation of receiving PTU presence information from a management server,

wherein the PTU presence information is transmitted to the management server if a state of the PTU is a state that power is supplied to a resonator and received signal strength which is received in the PTU is less than threshold received signal strength when the PTU corresponding to the PTU presence information receives the advertisement message from the PRU.

39. The PRU of claim 38, wherein the operation of receiving the PTU presence information from the management server includes an operation of receiving an advertisement message including the PTU presence information from the management server.

40. The PRU of claim 38, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

41. A management server in a wireless charging network, the management server comprising:

a receiver configured to perform an operation of receiving power transmitting unit (PTU) presence information from a PTU; and

a transmitter configured to perform an operation of transmitting the PTU presence information to a power receiving unit (PRU),

wherein the PTU presence information is transmitted to a management server if a state of the PTU is a state that power is supplied to a resonator when the PTU corresponding to the PTU presence information receives an advertisement message from the PRU.

42. The management server of claim 41, wherein the operation of receiving the PTU presence information from the PTU includes an operation of receiving an advertisement message including the PTU presence information from the PTU, and

wherein the operation of transmitting the PTU presence information to the PRU includes an operation of transmitting an advertisement message including the PTU presence information to the PRU.

43. The management server of claim 41, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.

44. A management server in a wireless charging network, the management server comprising:

a receiver configured to perform an operation of receiving power transmitting unit (PTU) presence information from a PTU; and

a transmitter configured to perform an operation of transmitting the PTU presence information to a power receiving unit (PRU),

wherein the PTU presence information is transmitted to a management server if a state of the PTU is a state that power is supplied to a resonator and received signal strength of an advertisement message which the PTU receives is less than threshold received signal strength when the PTU corresponding to the PTU presence information receives the advertisement message from the PRU.

45. The management server of claim 44, wherein the operation of receiving the PTU presence information from the PTU includes receiving an advertisement message including the PTU presence information from the PTU, and

wherein the operation of transmitting the PTU presence information to the PRU includes transmitting an advertisement message including the PTU presence information to the PRU.

46. The management server of claim 44, wherein the PTU presence information includes at least one of a parameter indicating a location of the PTU and a parameter indicating a location that it is possible to perform a wireless charging operation using the PTU.