Base station apparatus, repeater apparatus, wireless communication system, and control methods and non-transitory computer-readable storage medium

A wireless communication system including:

• a repeater apparatus that relays communication between a base station apparatus and a user apparatus;
• and the base station apparatus,
• wherein the base station apparatus comprises:
• notifying unit configured to provide a repeater apparatus with a notification of information according to which a transmission timing of a plurality of measurement target signals to be transmitted by the base station apparatus can be specified, the plurality of measurement target signals including measurement target signals of a plurality of signal patterns including a first signal pattern and a second signal pattern;
• and
• transmitting unit configured to transmit measurement target signals of the first and second signal patterns using the same beam pattern, and
• the repeater apparatus comprises:
• specifying unit configured to specify a transmission timing of a plurality of measurement target signals to be transmitted by a base station apparatus, the plurality of measurement target signals including measurement target signals of a plurality of signal patterns including a first signal pattern and a second signal pattern;
• and
• relaying unit configured to relay measurement target signals of the first and second signal patterns using different beam patterns.

A control method for a wireless communication system including:

• a repeater apparatus that relays communication between a base station apparatus and a user apparatus;
• and the base station apparatus, the control method comprising:
• the base station apparatus providing a repeater apparatus with a notification of information according to which a transmission timing of a plurality of measurement target signals to be transmitted by the base station apparatus can be specified, the plurality of measurement target signals including measurement target signals of a plurality of signal patterns including a first signal pattern and a second signal pattern;
• the repeater apparatus specifying a transmission timing of a plurality of measurement target signals to be transmitted by a base station apparatus, the plurality of measurement target signals including measurement target signals of a plurality of signal patterns including a first signal pattern and a second signal pattern;
• the base station apparatus transmitting measurement target signals of the first and second signal patterns using the same beam pattern;
• and
• the repeater apparatus relaying measurement target signals of the first and second signal patterns using different beam patterns.

A non-transitory computer-readable storage medium storing a program for causing a computer of a wireless communication system including:

• a repeater apparatus that relays communication between a base station apparatus and a user apparatus;
• and the base station apparatus to execute a control method comprising:
• a notifying step, by the base station apparatus, of providing a repeater apparatus with a notification of information according to which a transmission timing of a plurality of measurement target signals to be transmitted by the base station apparatus can be specified, the plurality of measurement target signals including measurement target signals of a plurality of signal patterns including a first signal pattern and a second signal pattern;
• a specifying step, by the repeater apparatus, of specifying a transmission timing of a plurality of measurement target signals to be transmitted by a base station apparatus, the plurality of measurement target signals including measurement target signals of a plurality of signal patterns including a first signal pattern and a second signal pattern;
• a transmitting step, by the base station apparatus, of transmitting measurement target signals of the first and second signal patterns using the same beam pattern;
• and
• a relaying step, by the repeater apparatus, of relaying measurement target signals of the first and second signal patterns using different beam patterns.