Repeater control device, wireless communication system, control circuit, storage medium, and control value determination method

A repeater control device for controlling a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the repeater control device comprising:

• parameter determination circuitry to determine a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the evaluation value is an error vector magnitude.

A repeater control device for controlling a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the repeater control device comprising:

• parameter determination circuitry to determine a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein the parameter determination circuitry sequentially performs processing of calculating the evaluation value and determining the gain adjustment value in response to a control value calculation request and calculates the gain adjustment value with which the evaluation value satisfies a predetermined condition while changing the gain adjustment value.

A repeater control device for controlling a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the repeater control device comprising:

• parameter determination circuitry to determine a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device;
• and
• a control value table in which the gain adjustment value is associated with a control condition, the gain adjustment value being determined in advance based on the evaluation value so as to satisfy the control condition included in a control value calculation request, wherein
• in a case where the control value table stores the gain adjustment value corresponding to the control condition included in the control value calculation request, in response to the control value calculation request, the parameter determination circuitry extracts and outputs the gain adjustment value stored in the control value table.

A repeater control device for controlling a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the repeater control device comprising:

• parameter determination circuitry to determine a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the parameter determination circuitry sequentially performs processing of calculating the evaluation value and determining the gain adjustment value in response to a control value calculation request,
• the control value calculation request includes information indicating, as a control condition, a position of a regulation point and an upper limit and a lower limit of a gain at the regulation point, and
• the parameter determination circuitry determines the gain adjustment value such that the gain at the position of the regulation point included in the control value calculation request falls within a range of the upper limit and the lower limit.

A control circuit for controlling a repeater control device that controls a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the control circuit causing the repeater control device to execute:

• determining a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the evaluation value is a signal-to-noise ratio.

A control circuit for controlling a repeater control device that controls a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the control circuit causing the repeater control device to execute:

• determining a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the evaluation value is an error vector magnitude.

A non-transitory storage medium storing a program for controlling a repeater control device that controls a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the program causing the repeater control device to execute:

• determining a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the evaluation value is a signal-to-noise ratio.

A non-transitory storage medium storing a program for controlling a repeater control device that controls a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the program causing the repeater control device to execute:

• determining a gain adjustment value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the evaluation value is an error vector magnitude.

A control value determination method for determining a control value for controlling a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the control value determination method comprising:

• determining a gain adjustment value that is the control value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the evaluation value is a signal-to-noise ratio.

A control value determination method for determining a control value for controlling a communication repeater that relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the communication repeater having a beamforming function, the control value determination method comprising:

• determining a gain adjustment value that is the control value for adjusting input power to an amplifier, the amplifier amplifying the wireless communication signal relayed by the communication repeater, based on an evaluation value indicating communication quality in the reception device and calculated based on:
• state information indicating a state of the communication repeater;
• a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device;
• transmission path information indicating a state of a transmission path between the communication repeater and the reception device;
• and reception device information indicating a state of the reception device, wherein
• the evaluation value is an error vector magnitude.