Radio base station, user terminal and radio communication method
AssigneeNtt Docomo, Inc.
InventorsHiroki Harada, Kazuki Takeda, Satoshi Nagata
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Abstract
The present invention is designed to prevent producing inter-symbol interference against normal uplink communication in collision-type D2D discovery during inter-terminal direct communication. A radio base station can communicate with a user terminal that can execute inter-terminal direct communication, and has a control section that configures a D2D discovery resource area by allocating a type 2 discovery resource area immediately after a type 1 discovery resource area in a row, and a transmission section that transmits allocation information of the D2D discovery resource area.
Claims12
A user terminal comprising:
- a receiver that receives configuration information about a first type discovery resource including a resource that is selectable for allocation of a discovery signal to discover a terminal and a second type discovery resource including a resource to allocate with a discovery signal based on specifying information by System Information Block (SIB) signaling and receives the specifying information by Radio Resource Control (RRC) signaling;
- and
- a processor that controls resource allocation of the discovery signal.
A radio base station comprising:
- a transmitter that transmits configuration information about a first type discovery resource including a resource that is selectable for allocation of a discovery signal to discover a terminal and a second type discovery resource including a resource to allocate with a discovery signal based on specifying information by System Information Block (SIB) signaling and transmits the specifying information by Radio Resource Control (RRC) signaling;
- and
- a processor that allocates any resource of the second type discovery resource to a terminal.
A radio communication method for a user terminal, comprising:
- receiving configuration information about a first type discovery resource including a resource that is selectable for allocation of a discovery signal to discover a terminal and a second type discovery resource including a resource to allocate with a discovery signal based on specifying information by System Information Block (SIB) signaling and receives the specifying information by Radio Resource Control (RRC) signaling;
- and
- controlling resource allocation of the discovery signal.
Dependencies are inferred from the claim text.