Inter-vehicle wireless payment method employing 5G communication network, and system for same

An inter-vehicle wireless payment method based on a 5G communication network, comprising:

• a frequency band applying step, in which a requesting vehicle applies a Device-to-Device (D2D) communication frequency band from a base station;
• a resource allocating step, in which the base station performs resource allocation according to a strategy with a maximum number of avowed D2D connections;
• an encrypting and broadcasting step, in which the requesting vehicle broadcasts encrypted payment request information using the D2D communication frequency band allocated in the resource allocating step, and stops broadcasting when a friend vehicle responds, wherein the payment request information is encrypted using vehicle information of the friend vehicle;
• a decrypting and receiving step, in which at least one vehicle attempts to decrypt the broadcasted payment request information using its respective vehicle information, and if of the at least one vehicle includes the friend vehicle the friend vehicle decrypts the broadcasted payment request information successfully, and acquires the payment request information;
• a payment implementation step, in which the friend vehicle generates payment information based on the payment request information and sends the payment information to the base station, the base station sends the payment information to a payment platform, and the payment platform returns a payment result to the friend vehicle;
• and
• a D2D communication step, in which the base station allocates a D2D communication channel to the requesting vehicle and the friend vehicle, and the friend vehicle and the requesting vehicle communicate with each other via the D2D communication channel.