US Patent 10098175 Wireless communication apparatus and wireless communication method

A wireless communication apparatus includes a radar device; a communication device configured to communicate using at least a part of a frequency band that is used by the radar device; an acquirer configured to acquire a position of a target object using the radar device; a predictor configured to predict a trajectory of the target object from history of positions of the target object; and a controller configured to determine a communication start time with the target object based on a communication range of the communication device and the trajectory of the target object, and control the communication device so that data is transmitted to the target object at the determined communication start time using the communication device.