Communication device, communication method, and computer program for sensing of resources used in inter-device communications

A communication device comprising:

• a controller having circuitry configured to:
• allocate a resource area in which a resource is selectable by a terminal device that is configured to execute inter-device communication,
• provide information regarding a range of sensing of the resource area to the terminal device;
• perform grouping for each predetermined range of the resource area, and
• provide information for causing the terminal device to execute resource hopping in a grouped range.

A communication device comprising:

• a controller having circuitry configured to:
• select a resource from a resource area allocated by a base station and to
• determine a range of sensing of the resource area in accordance with a situation when inter-device communication is executed using the selected resource;
• wherein the range of sensing is divided into a plurality of sub-sensing periods, and the circuitry is further configured to
• receive a parameter which indicates a sub-sensing window for each of the plurality of sub-sensing periods.

A communication method comprising:

• allocating a resource area in which a resource is selectable by a terminal device that executes inter-device communication, and providing information regarding a range of sensing of the resource area to the terminal device;
• wherein the range of sensing is divided into a plurality of sub-sensing periods;
• and the method further comprising:
• providing a parameter which indicates a sub-sensing window in each of the sub-sensing periods.

A communication method comprising:

• selecting a resource from a resource area allocated by a base station and determining a range of sensing of the resource area in accordance with a situation when inter-device communication is executed using the selected resource;
• wherein the range of sensing is divided into a plurality of sub-sensing periods;
• and the method further comprising:
• receiving a parameter which indicates a sub-sensing window in each of the sub-sensing periods.

A non-transitory computer readable medium having instructions stored therein that when executed by a computer cause the computer to perform the method comprising:

• selecting a resource from a resource area allocated by a base station and determining a range of sensing of the resource area in accordance with a situation when inter-device communication is executed using the selected resource;
• wherein the range of sensing is divided into a plurality of sub-sensing periods;
• and the method further comprising:
• receiving a parameter which indicates a sub-sensing window in each of the sub-sensing periods.

A communication device comprising:

• a controller having circuitry configured to select a resource from a resource area allocated by a base station and to set a parameter relating to sensing by using one or more of a parameter relating to a sensing mode and a parameter relating to a packet reservation cycle notified by the base station when inter-device communication is executed using the selected resource, wherein
• the parameter relating to the packet reservation is defined as a set of parameters i, and the parameter i is a constituent element of a packet reservation cycle (P*i), P is a fixed value serving as a base, and i is a parameter that is settable from a network, and/or
• the parameter relating to the sensing mode is defined as a parameter αwhich of a plurality of setting methods for the parameter relating to sensing with the same i is to be used is decided using the parameter α, and/or
• the parameter relating to the sensing includes a starting position of a sensing window, a size of a sensing window, a frequency band of sensing, a resource pool of sensing, and a sensing window number.

A communication control method comprising:

• selecting a resource from a resource area allocated by a base station and setting a parameter relating to sensing by using one or more of a parameter relating to a sensing mode and a parameter relating to a packet reservation cycle notified by the base station when inter-device communication is executed using the selected resource;
• wherein the range of sensing is divided into a plurality of sub-sensing periods;
• and the method further comprising:
• receiving a parameter which indicates a sub-sensing window in each of the sub-sensing periods.

A communication device comprising:

• a receiver having circuitry configured to:
• receive information regarding a resource area from which to select a resource to execute inter-device communication, and
• receive information regarding a range of sensing of the resource area;
• wherein the range of sensing is divided into a plurality of sub-sensing periods;
• and the circuitry is further configured to:
• receive a parameter which indicates a sub-sensing window in the sub-sensing periods.