Information processing device, control device, communication device, communication equipment, electronic device, information processing system, power management method, power management program, and recording medium

• US 20050048960A1
• Filed: 08/16/2004
• Published: 03/03/2005
• Est. Priority Date: 09/03/2003
• Status: Abandoned Application

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Yamauchi, Masahiro, Noguchi, Shigetaka, Aoki, Tsuguhiro, Ueno, Tetsuo
• Application Number:
  US10/918,423
• Publication Number:
  US 20050048960A1
• Time in Patent Office: Days
• US Class Current: 455/418
• CPC Class Codes: H04W 52/0267 by controlling user interface components
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A system controller is provided between a communication device and an electronic device which performs communication using the communication device. The system controller controls the communication device, in accordance with device information from the electronic device, a request from the application, and channel information from the communication device. With this arrangement, the communication device can realize an effective low-power-consumption operation, while having a high degree of versatility.

Claims

1. An information processing device, comprising:

a communication device;

an electronic device which executes at least one application; and

a control device which determines a control signal supplied to the communication device, in accordance with first information supplied from the electronic device.

2. The information processing device as defined in claim 1, wherein, the control device determines the control signal, further in accordance with second information supplied from the communication device.

3. The information processing device as defined in claim 1, wherein, the first information includes information which relates to either a state of use of said at least one application or a control mode regarding electric power management determined for each application.

4. The information processing device as defined in claim 2, wherein, the second information includes information regarding a use environment of the communication device.

5. The information processing device as defined in claim 4, wherein, the information regarding the use environment of the communication device is selected from at least one of:

power supply information indicating electric power supplied to the communication device; and

channel information indicating a current state of a channel.

6. The information processing device as defined in claim 4, wherein, the communication device is a wireless communication device.

7. The information processing device as defined in claim 6, wherein, the information regarding the use environment of the communication device is selected from at least one of:

power supply information indicating electric power supplied to the communication device;

channel information indicating a current state of a channel; and

area information indicating an electric wave environment of the communication device.

8. The information processing device as defined in claim 1, wherein, during a period in which more than one application run, the control device obtains, from each of said more than one application, priority information regarding electric power management, and determines the control signal in accordance with the priority information.

9. The information processing device as defined in claim 4, wherein, the information regarding the use environment of the communication device is fed back to the control device, in accordance with a change of the use environment, and

the control device updates the control signal supplied to the communication device, in accordance with the information being fed back.

10. The information processing device as defined in claim 5, wherein, the power supply information includes remaining battery resource at a time of driving a battery, and

when the remaining battery resource indicates that a remaining battery power is lower than a predetermined level, the control signal supplied to the communication device is determined based primarily on the power supply information.

11. The information processing device as defined in claim 3, wherein, the control mode is selected in accordance with information regarding electric power management, the electric power management being performed by the communication device in response to a request from an application concerning the control mode.

12. The information processing device as defined in claim 1, wherein, the control signal supplied to the communication device is a signal for determining a detailed parameter of the communication device, the detailed parameter at least including transmission output level control, reception sensitivity level control, and power management.

13. The information processing device as defined in claim 12, wherein, by a signal generated in accordance with the power management of the detailed parameter, a power source of at least one of a transmitter circuit and a receiver circuit which are provided in the communication device is controlled.

14. The information processing device as defined in claim 12, wherein, by a signal generated in accordance with the transmission output level control of the detailed parameter, a power amplifier provided in the communication device is controlled.

15. The information processing device as defined in claim 12, wherein, by a signal generated in accordance with a the reception sensitivity level control of the detailed parameter, a low-noise amplifier provided in the communication device is controlled.

16. The information processing device as defined in claim 12, wherein, apart from information such as a state of use and a control mode, each application has a command for determining, in an interruptive manner, a timing at which an electric power management is performed, and

the control device determines the detailed parameter in accordance with the command.

17. The information processing device as defined in claim 16, wherein, the command includes at least one of:

a command concerning switch-on/off of power supply to the communication device; and

a command concerning a switch of a transmission output level and/or a switch of a reception sensitivity level.

18. An information processing device, comprising:

a communication device;

an electronic device which executes at least one application; and

a control device which determines a control signal supplied to the communication device, in accordance with second information supplied from the communication device.

19. The information processing device as defined in claim 18, wherein, the control device determines the control signal, further in accordance with first information supplied from the electronic device.

20. The information processing device as defined in claim 19, wherein, the first information includes information which relates to either a state of use of said at least one application or a control mode regarding electric power management determined for each application.

21. The information processing device as defined in claim 18, wherein, the second information includes information regarding a use environment of the communication device.

22. The information processing device as defined in claim 21, wherein, the information regarding the use environment of the communication device is selected from at least one of:

power supply information indicating electric power supplied to the communication device; and

channel information indicating a current state of a channel.

23. The information processing device as defined in claim 21, wherein, the communication device is a wireless communication device.

24. The information processing device as defined in claim 23, wherein, the information regarding the use environment of the communication device is selected from at least one of:

power supply information indicating electric power supplied to the communication device;

channel information indicating a current state of a channel; and

area information indicating an electric wave environment of the communication device.

25. The information processing device as defined in claim 18, wherein, during a period in which more than one application run, the control device obtains, from each of said more than one application, priority information regarding electric power management, and determines the control signal in accordance with the priority information.

26. The information processing device as defined in claim 21, wherein, the information regarding the use environment of the communication device is fed back to the control device, in accordance with a change of the use environment, and

the control device updates the control signal supplied to the communication device, in accordance with the information being fed back.

27. The information processing device as defined in claim 22, wherein, the power supply information includes remaining battery resource at a time of driving a battery, and

when the remaining battery resource indicates that a remaining battery power is lower than a predetermined level, the control signal supplied to the communication device is determined based primarily on the power supply information.

28. The information processing device as defined in claim 20, wherein, the control mode is selected in accordance with information regarding the electric power management, the electric power management being performed by the communication device in response to a request from an application concerning the control mode.

29. The information processing device as defined in claim 18, wherein, the control signal supplied to the communication device is a signal for determining a detailed parameter of the communication device, the detailed parameter at least including transmission output level control, reception sensitivity level control, and power management.

30. The information processing device as defined in claim 29, wherein, by a signal generated in accordance with the power management of the detailed parameter, a power source of at least one of a transmitter circuit and a receiver circuit which are provided in the communication device is controlled.

31. The information processing device as defined in claim 29, wherein, by a signal generated in accordance with the transmission output level control of the detailed parameter, a power amplifier provided in the communication device is controlled.

32. The information processing device as defined in claim 29, wherein, by a signal generated in accordance with a the reception sensitivity level control of the detailed parameter, a low-noise amplifier provided in the communication device is controlled.

33. The information processing device as defined in claim 29, wherein, apart from information such as a state of use and a control mode, each application has a command for determining, in an interruptive manner, a timing at which an electric power management is performed, and

the control device determines the detailed parameter in accordance with the command.

34. The information processing device as defined in claim 33, wherein, the command includes at least one of:

a command concerning switch-on/off of power supply to the communication device; and

a command concerning a switch of a transmission output level and/or a reception sensitivity level.

35. An information processing device, including:

a communication device;

an electronic device which executes at least one application, using the communication device; and

a control device which controls the communication device,

the information processing device further comprising;

an application interface which supplies, to the control device, at least one of (i) information regarding a state of use of said at least one application and (ii) information regarding a control mode concerning an electric power management determined for each application; and

a system interface through which information regarding a use environment of the communication device is inputted to the control device, and

in accordance with an input from the application interface, the control device determining an intermediate process signal indicating a method of controlling the communication device in each period, while, in accordance with the intermediate process signal and an input from the system interface, a detailed parameter for controlling the communication device being determined.

36. An information processing system, comprising a plurality of information processing devices each including:

a communication device;

an electronic device which executes at least one application; and

a control device which determines a control signal supplied to the communication device, in accordance with either first information supplied from the electronic device or second information supplied from the communication device, and

when said plurality of information processing devices can communicate with each other, a pre-selection cycle and a pre-selection size included in a detailed parameter determined by a control device of a first one of the information processing devices, the control device being provided for controlling a communication device of said first one of the information processing devices, being equivalent to a pre-selection cycle and a pre-selection size of a second one of the information processing devices, said first one and said second one being different from each other.

37. A method of controlling electric power regarding an information processing device which includes a communication device and an electronic device which executes at least one application that performs communication using the communication device,

the method comprising the steps of:

determining an intermediate process signal indicating a method of controlling the communication device in each period, in accordance with at least one of (i) information regarding a state of use of said at least one application and (ii) information regarding a control mode concerning electric power management determined for each application; and

controlling the communication device, in accordance with the intermediate process signal and information regarding a use environment of the communication device.

38. A method of controlling electric power of an information processing device which includes a communication device and can execute at least one application,

the method comprising:

a first step of selecting, among applications in operation, an operation mode of an application which has the highest priority, as a method of controlling the communication device during a period of an operation of the application which has the highest priority; and

a second step of outputting, to the communication device, a detailed parameter including the operation mode, a transmission output level, and a reception sensitivity level which correspond to the control method determined in the first step, in accordance with the control method determined in the first step and information including at least a channel state.

39. A control device for controlling a communication device and an electronic device which performs communication using the communication device,

the communication device obtaining first information and second information from the communication device, so that the communication device is controlled in accordance with at least one of the first information and the second information.

40. The control device as defined in claim 39 wherein, at least one of the first information and the second information is real-time information which is updated when necessary.

41. The control device as defined in claim 39, wherein, the first information includes a request from an application which causes the electronic device to operate.

42. The control device as defined in claim 39, wherein, the first information includes device information which indicates a current operation state of the electronic device.

43. The control device as defined in claim 39, wherein, the second information includes information which indicates a current operation state of the communication device.

44. The control device as defined in claim 39, wherein, the second information includes channel information indicating a current state of a channel.

45. The control device as defined in claim 39, wherein, in accordance with at least one of the first information and the second information, power consumption of at least one of the electric device and the communication device is substantially minimized.

46. The control device as defined in claim 39, wherein, on condition that a request from an application which causes the electronic device to operate is met, power consumption of at least one of the electric device and the communication device is substantially minimized, in accordance with at least one of the first information and the second information.

52. The control device as defined in claim 44, wherein, the channel information includes information regarding delay spread of the channel.

56. The control device as defined in claim 39, wherein, the communication device is a wireless communication device.

47. A control device for controlling a communication device and an electronic device which performs communication using the communication device,

the control device comprising:

a profile selecting section for selecting, from control profiles for controlling the electronic device and the communication device, a control profile which defines an operation to substantially minimize power consumption of at least one of the electronic device and the communication device, in accordance with operation states of the electronic device and the communication device and information including a request to the control device.

48. A control device as defined in claim 47, further comprising:

an application request interface section which transmits, to the profile selecting section, request information indicating a request from the application causing the electronic device to operate;

an electronic device information interface section which transmits, to the profile selecting section, either device type information indicating a type of the electronic device or device information indicating the operation state of the electronic device; and

a channel information interface section which transmits, to the profile selecting section, operation state information indicating the operation state of the communication device and channel information regarding a channel,

the profile selecting section selecting the control profile, in accordance with sets of information transmitted from the application request interface section, the electronic device information interface section, and the channel information interface section.

49. The control device as defined in claim 47, further comprising:

a communication device power management section which transmits, to the communication device, management information regarding power management of the communication device, in accordance with the control profile selected by the profile selecting section;

a communication device circuit operation control section which transmits, to the communication device, control information regarding control of a circuit operation of the communication device, in accordance with the control profile selected by the profile selecting section; and

an action instructing section which transmits control information with regard to the application causing the electronic device to operate, in accordance with the control profile selected by the profile selecting section.

50. The control device as defined in claim 47, wherein, from a control profile table in which the control profiles determined in advance in accordance with combinations of sets of information which cab be transmitted to the control device, the control profile is uniquely selected by the profile selecting section, in accordance with information actually transmitted to the control device.

51. The control device as defined in claim 50, wherein, the control profile table includes combinations of elements selected from (i) a first information group including at least device type information, request information, and device information and (ii) a second information group including channel information.

53. The control device as defined in claim 51, wherein, weighting coefficients are assigned to the respective elements, and the profile selecting section selects the control profile with reference to the weighting coefficients.

54. The control device as defined in claim 53, wherein, the weighting coefficients assigned to the respective elements are changed in accordance with a combination pattern of the elements.

55. The control device as defined in claim 53, wherein, the weighting coefficients are changed in accordance with the application and a remaining battery power level of a battery attached to the electronic device.

57. An electronic device which is connected to a communication device via a control device and carries out communication using the communication device,

the electronic device being controlled by the control device, in accordance with at least one of first information from the electronic device and second information from the communication device.

58. A communication device which is connected to an electronic device via a control device and carries out communication in response to a request from the electronic device,

the communication device being controlled by the control device, in accordance with at least one of first information from the electronic device and second information from the communication device.

59. A communication equipment, comprising a communication device and a control device which controls the communication device,

the control device controlling the communication device in accordance with at least one of (i) first information from an electronic device which carries out communication using the communication device and (ii) second information from the communication device.

60. An information processing device, comprising:

a communication device;

an electronic device which performs communication using the communication device; and

a control device which controls the communication device and the electronic device,

the control device including a profile selecting section which selects, from control profiles for controlling the electronic device and the communication device, a control profile which defines an operation to substantially minimize power consumption of at least one of the electronic device and the communication device, in accordance with (i) operation states of the electronic device and the communication device and (ii) information including a request to the control device,

the electronic device providing, to the control device, information for selecting the control profile, and the electronic device being operated by an application controlled in line with the control profile; and

the communication device providing, to the control device, information for selecting the control profile, and the communication device being controlled in accordance with the selected control profile.

61. The information processing device as defined in claim 60, wherein, the communication device is a wireless communication device.

62. An electric power management program which causes a computer to execute a method of managing electric power of an information processing device including a communication device and an electronic device which executes at least one application that performs communication using the communication device,

the method including the steps of:

determining an intermediate process signal indicating a method of controlling the communication device in each period, in accordance with at least one of (i) information regarding a state of use of said at least one application and (ii) information regarding a control mode concerning electric power management determined for each application; and

controlling the communication device, in accordance with the intermediate process signal and information regarding a use environment of the communication device.

63. An electric power management program which causes a computer to execute a method of managing electric power of an information processing device which includes a communication device and can execute at least one application,

the method comprising:

a first step of selecting, among applications in operation, an operation mode of an application which has the highest priority, as a method of controlling the communication device during a period of an operation of the application which has the highest priority; and

a second step of outputting, to the communication device, a detailed parameter including the operation mode, a transmission output level, and a reception sensitivity level which correspond to the control method determined in the first step, in accordance with the control method determined in the first step and information including at least a channel state.

64. A computer-readable storage medium storing an electric power management program which causes a computer to execute a method of managing electric power of an information processing device including a communication device and an electronic device which executes at least one application that performs communication using the communication device,

the method including the steps of:

determining an intermediate process signal indicating a method of controlling the communication device in each period, in accordance with at least one of (i) information regarding a state of use of said at least one application and (ii) information regarding a control mode concerning electric power management determined for each application; and

controlling the communication device, in accordance with the intermediate process signal and information regarding a use environment of the communication device.

65. A computer-readable storage medium storing an electric power management program which causes a computer to execute a method of managing electric power of an information processing device which includes a communication device and can execute at least one application,

the method comprising:

a first step of selecting, among applications in operation, an operation mode of an application which has the highest priority, as a method of controlling the communication device during a period of an operation of the application which has the highest priority; and

a second step of outputting, to the communication device, a detailed parameter including the operation mode, a transmission output level, and a reception sensitivity level which correspond to the control method determined in the first step, in accordance with the control method determined in the first step and information including at least a channel state.