Processing device, base station, communication system, method, and storage medium

A communication method for a base station including a first layer and a second layer, the first layer and the second layer having different communication functions, and the communication method comprising:

• receiving first data from the first layer;
• generating second data based on the first data;
• transmitting the second data to the second layer;
• receiving third data from the second layer, the third data being generated based on the second data;
• determining a transmission cycle of the first data based on a timing at which the first data is received and a plurality of transmission cycle candidates, the transmission cycle of the first data being a cycle at which the first data is transmitted to the first layer;
• transmitting the second data to the second layer at a timing based on the transmission cycle of the first data;
• and
• generating the second data at a timing based on the transmission cycle of the first data and a time period from transmission of the second data to the second layer to reception of the third data.

A non-transitory computer-readable storage medium storing computer-executable instructions that, when executed, cause a computer to:

• receive first data from a first layer in a base station, the base station comprising the first layer and a second layer, and the first layer and the second layer having different communication functions;
• generate second data based on the first data;
• transmit the second data to the second layer;
• receive third data from the second layer, the third data being generated based on the second data;
• determine a transmission cycle of the first data based on a timing at which the first data is received and a plurality of transmission cycle candidates, the transmission cycle of the first data being a cycle at which the first data is transmitted to the first layer;
• transmit the second data to the second layer at a timing based on the transmission cycle of the first data;
• and
• generate the second data at a timing based on the transmission cycle of the first data and a time period from transmission of the second data to the second layer to reception of the third data.

A processing device comprising:

• a first receiver configured to receive first data from a first layer of a base station, the base station comprising the first layer and a second layer;
• a processing circuit configured to generate second data based on the first data;
• a transmitter configured to transmit the second data to the second layer;
• and
• a second receiver configured to receive third data from the second layer, the third data being generated based on the second data,
• wherein the processing circuit is configured to:
• determine a transmission cycle of the first data based on a timing at which the first data is received and a plurality of transmission cycle candidates, the transmission cycle of the first data being a cycle at which the first data is transmitted to the first layer;
• cause the transmitter to transmit the second data at a timing based on the transmission cycle of the first data;
• and
• generate the second data at a timing based on the transmission cycle of the first data and a time period from transmission of the second data to the second layer to reception of the third data.

A processing device for a base station including a first layer and a second layer, the first layer and the second layer having different communication functions, and the processing device comprising:

• a first receiver configured to receive first data from the first layer;
• a processing circuit configured to generate second data based on the first data;
• a transmitter configured to transmit the second data to the second layer;
• and
• a second receiver configured to receive third data from the second layer, the third data being generated based on the second data,
• wherein the processing circuit is configured to:
• determine a transmission cycle of the first data based on a timing at which the first data is received and a plurality of transmission cycle candidates, the transmission cycle of the first data being a cycle at which the first data is transmitted to the first layer;
• cause the transmitter to transmit the second data at a timing based on the transmission cycle of the first data;
• cause the transmitter to periodically transmit the first data and an untransmitted data size to the second layer when the second receiver unit periodically receives a signal indicating that transmission of data is permitted from the second layer;
• and
• determine the transmission cycle of the first data based on the transmission cycle candidates and a timing of a first transmission of the first data of two consecutive first data transmissions when an untransmitted data size remains unchanged or increases between the two consecutive transmissions of the first data.

A processing device for a base station including a first layer and a second layer, the first layer and the second layer having different communication functions, and the processing device comprising:

• a receiver configured to receive first data from the first layer;
• a processing circuit configured to generate second data based on the first data;
• and
• a transmitter configured to transmit the second data to the second layer,
• wherein the processing circuit is configured to:
• determine a transmission cycle of the first data based on a timing at which the first data is received and a first candidate in a plurality of transmission cycle candidates, the transmission cycle of the first data being a cycle at which the first data is transmitted to the first layer;
• cause the transmitter to transmit the second data at a timing based on the transmission cycle of the first data;
• and
• change the transmission cycle of the first data based on a timing at which the first data is received and a second candidate in the plurality of transmission cycle candidates, the second candidate indicating a second cycle longer than a first cycle indicated by the first candidate when the receiver does not receive the first data at a timing based on the transmission cycle of the first data.

A processing device for a base station including a first layer and a second layer, the first layer and the second layer having different communication functions, and the processing device comprising:

• a first receiver configured to receive, from the first layer, first data and a size of untransmitted data which have not been transmitted by a terminal connected to the first layer;
• a processing circuit configured to generate second data based on the first data;
• a transmitter configured to transmit the second data to the second layer;
• and
• a second receiver configured to receive a signal indicating that transmission of data is permitted from the second layer,
• wherein the processing circuit is configured to:
• determine a transmission cycle of the first data based on a timing at which the first data is received and a plurality of transmission cycle candidates, the transmission cycle of the first data being a cycle at which the first data is transmitted to the first layer;
• cause the transmitter to transmit the second data at a timing based on the transmission cycle of the first data;
• cause the transmitter unit to periodically transmit the first data and the size of untransmitted data to the second layer when the second receiver unit periodically receives the signal indicating that transmission of data is permitted from the second layer;
• determine a data-generation-estimated-period based on an interval between two consecutive user data transmissions when the size of untransmitted data remains unchanged or increases;
• and
• determine whether the first receiver receives the first data in a second data-generation-estimated-period starting from a given time period after a start of a first data-generation-estimated-period.