Patent ID: 9204447
Filing Date: 2015-12-01
Classification: G01S,H04L,H04W

Abstract:
1. A wireless communication device that is installed in a moving object and that performs wireless communication by using a frequency channel selected from among a plurality of frequency channels, the wireless communication device comprising: a wireless communicator that detects a frequency channel currently used by another wireless communication device presenting around the moving object and measures a signal strength of the detected frequency channel; a frequency channel information storage that stores frequency channel information indicating the detected frequency channel and the measured signal strength; a travel information acquisition unit that acquires a travel speed of the moving object as travel information indicating motion of the moving object; and a switch controller that determines whether to change the frequency channel used by the wireless communicator on a basis of the frequency channel information and the travel information and that performs switching control of the frequency channel of the wireless communicator in accordance with a result of the determination, the switch controller deciding not to change the frequency channel used by the wireless communicator when the signal strength indicated by the frequency channel information is less than a prescribed threshold, wherein the switch controller