WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD
The present disclosure relates to a wireless communication device and a wireless communication method. The wireless communication device according to one embodiment comprises one or more processors, wherein the processor(s) is/are configured to acquire the type of information to be transmitted via device-to-device communication, wherein the type is one of a plurality of types at least including a first type and a second type; and the processor(s) is/are also configured to determine a resource use manner and a power control manner which are used for transmitting information at least according to the type of the information.
1 . A wireless communication device, comprising:
circuitry configured to:
acquire a type of information to be transmitted via a device-to-device (D2D) communication, the type being one of a plurality of types that includes at least a first type and a second type; and
determine a transmission power for transmitting the information based on a power control parameter received from a base station, the power control parameter indicating a path loss and the power control parameter being related to a priority of the information.
2 . The wireless communication device according to claim 1 , wherein the type is predefined based on at least one of content of the information and a scenario in which the information is to be sent.
3 . The wireless communication device according to claim 1 , wherein the circuitry is configured to select a communication resource, for transmitting the information in a case that the type is the first type, from dedicated communication resources which are used for the D2D communication.
4 . The wireless communication device according to claim 1 , wherein the circuitry is configured to determine the transmission power for the information as a first predetermined power in a case that the type is the first type.
5 . The wireless communication device according to claim 1 , wherein in a case that the type is the first type, the information comprises safety information.
6 . The wireless communication device according to claim 1 , wherein the circuitry is configured to select, in a case that the type is the second type, a communication resource for transmitting the information from shared communication resources which are used for the D2D communication and communication between the base station and a user equipment.
7 . The wireless communication device according to claim 6 , wherein
the circuitry is configured to select a communication resource for transmitting the information from reserved communication resources in the shared communication resources, and
the D2D communication has a priority in utilizing the reserved communication resources over communication between the base station and the user equipment.
8 . The wireless communication device according to claim 7 , wherein the reserved communication resources comprise a communication resource of an unlicensed frequency band.
9 . The wireless communication device according to claim 1 , wherein the circuitry is configured to determine, in a case that the type is the second type a transmission power for the information based on a priority of the information.
10 . The wireless communication device according to claim 9 , wherein
the circuitry is configured to determine the transmission power for the information based on a power control parameter received from the base station, and
the power control parameter being associated with the priority.
11 . The wireless communication device according to claim 9 , wherein
the circuitry is configured to determine the transmission power for the information based on a power control parameter set received from the base station, and
the power control parameter set comprises power control parameters for information with different priorities.
12 . The wireless communication device according to claim 1 , wherein the wireless communication device operates as a user equipment.
13 . The wireless communication device according to claim 12 , further comprising:
a transceiver configured to receive radio resource control (RRC) signaling from a base station, wherein
the (RRC) carries a power control parameter for the user equipment to transmit the information.
14 . The wireless communication device according to claim 12 , wherein the user equipment is a vehicle.
15 . A wireless communication method, comprising:
acquiring a type of information to be transmitted via a device-to-device (D2D) communication, the type being one of a plurality of types that includes at least a first type and a second type; and
determining a transmission power for transmitting the information based on a power control parameter received from a base station, the power control parameter indicating a path loss and the power control parameter being related to a priority of the information.
16 . A wireless communication device for a base station, the wireless communication device comprising:
circuitry configured to:
determine a type of information to be transmitted by a user equipment via a device-to-device (D2D) communication based on indication information from the user equipment, the type being one of a plurality of types that includes at least a first type and a second type; and
transmit a power control parameter to the user equipment, the power control parameter indicating a path loss and the power control parameter being related to a priority of the information.
17 . The wireless communication device according to claim 16 wherein the circuitry is configured to select, in a case that the type is the first type, a communication resource for transmitting the information from dedicated communication resources which are used only for the D2D communication.
18 . The wireless communication device according to claim 16 , wherein the circuitry is configured to allocate, for the information of the first type, for different user equipment frequency spectrums orthogonal to one another.
19 . The wireless communication device according to claim 16 , wherein the circuitry is configured to select, in a case that the type is the second type, a communication resource for transmitting the information from shared communication resources which are used for the D2D communication and communication between the base station and the user equipment.
20 . The wireless communication device according to claim 19 , wherein
the circuitry is configured to select a communication resource for transmitting the information from reserved communication resources in the shared communication resources, and
the reserved communication resources are allocated to the D2D communication with a priority over communication traffic of the base station.