Terminal device, base station device, communication method, and integrated circuit

A network communicating with a terminal device, the network comprising transmission circuitry transmitting a system information block to the terminal device, wherein

• the terminal device transmits a physical sidelink discovery channel associated with discovery using a link between the terminal device and a different terminal device,
• the discovery is defined as a process that identifies the terminal device and the different terminal device being in proximity to each other,
• transmit power for the transmission of the physical sidelink discovery channel is given with reference to at least a maximum output power,
• an authorized range class is set on the terminal device, the authorized range class being one of short, medium, and long,
• the system information block includes a parameter corresponding to the short authorized range class, a parameter corresponding to the medium authorized range class, and a parameter corresponding to the long authorized range class, and
• the maximum output power is given with reference to one parameter corresponding to the authorized range class among the parameter corresponding to the short authorized range class, the parameter corresponding to the medium authorized range class, and the parameter corresponding to the long authorized range class included in the system information block.

A communication method of a terminal device communicating with a network, the communication method comprising the steps of:

• receiving a system information block from the network;
• and
• transmitting a physical sidelink discovery channel associated with discovery using a link between the terminal device and a different terminal device, wherein
• the discovery is defined as a process that identifies the terminal device and the different terminal device being in proximity to each other,
• transmit power for the transmission of the physical sidelink discovery channel is given with reference to at least a maximum output power,
• an authorized range class is set on the terminal device, the authorized range class being one of short, medium, and long,
• the system information block includes a parameter corresponding to the short authorized range class, a parameter corresponding to the medium authorized range class, and a parameter corresponding to the long authorized range class, and
• the maximum output power is given with reference to one parameter corresponding to the authorized range class among the parameter corresponding to the short authorized range class, the parameter corresponding to the medium authorized range class, and the parameter corresponding to the long authorized range class included in the system information block.

A communication method of a network communicating with a terminal device, the communication method comprising the step of transmitting a system information block to the terminal device, wherein

• the terminal device transmits a physical sidelink discovery channel associated with discovery using a link between the terminal device and a different terminal device,
• the discovery is defined as a process that identifies the terminal device and the different terminal device being in proximity to each other,
• transmit power for the transmission of the physical sidelink discovery channel is given with reference to at least a maximum output power,
• an authorized range class is set on the terminal device, the authorized range class being one of short, medium, and long,
• the system information block includes a parameter corresponding to the short authorized range class, a parameter corresponding to the medium authorized range class, and a parameter corresponding to the long authorized range class, and
• the maximum output power is given with reference to one parameter corresponding to the authorized range class among the parameter corresponding to the short authorized range class, the parameter corresponding to the medium authorized range class, and the parameter corresponding to the long authorized range class included in the system information block.

An integrated circuit mounted on a terminal device communicating with a network, the integrated circuit causing the terminal device to exert:

• a function of receiving a system information block from the network;
• and
• a function of transmitting a physical sidelink discovery channel associated with discovery using a link between the terminal device and a different terminal device, wherein
• the discovery is defined as a process that identifies the terminal device and the different terminal device being in proximity to each other,
• transmit power for the transmission of the physical sidelink discovery channel is given with reference to at least a maximum output power,
• an authorized range class is set on the terminal device, the authorized range class being one of short, medium, and long,
• the system information block includes a parameter corresponding to the short authorized range class, a parameter corresponding to the medium authorized range class, and a parameter corresponding to the long authorized range class, and
• the maximum output power is given with reference to one parameter corresponding to the authorized range class among the parameter corresponding to the short authorized range class, the parameter corresponding to the medium authorized range class, and the parameter corresponding to the long authorized range class included in the system information block.

An integrated circuit mounted on a network communicating with a terminal device, the integrated circuit causing the network to exert a function of transmitting a system information block to the terminal device, wherein

• the terminal device transmits a physical sidelink discovery channel associated with discovery using a link between the terminal device and a different terminal device,
• the discovery is defined as a process that identifies the terminal device and the different terminal device being in proximity to each other,
• transmit power for the transmission of the physical sidelink discovery channel is given with reference to at least a maximum output power,
• an authorized range class is set on the terminal device, the authorized range class being one of short, medium, and long,
• the system information block includes a parameter corresponding to the short authorized range class, a parameter corresponding to the medium authorized range class, and a parameter corresponding to the long authorized range class, and
• the maximum output power is given with reference to one parameter corresponding to the authorized range class among the parameter corresponding to the short authorized range class, the parameter corresponding to the medium authorized range class, and the parameter corresponding to the long authorized range class included in the system information block.