Wireless communication device and wireless communication method

Abstract

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.