Patent ID: 9185032
Filing Date: 2015-11-10
Classification: G08G,H04L,H04W,Y02D

Abstract:
1. A radio apparatus comprising: a receiving unit configured to receive a packet signal broadcasted from another radio apparatus; a broadcasting unit configured to broadcast a packet signal; and a control unit configured to have the receiving unit perform an intermittent receiving processing and configured to have the broadcasting unit stop broadcasting the packet signal, when no packet signal is received by the receiving unit over a predetermined period of time, wherein when the packet signal is received while the receiving unit performs the intermittent receiving processing, the control unit has the receiving unit perform a continuous receiving processing and has the broadcasting unit start broadcasting the packet signal, the packet signal received by the receiving unit is constructed such that a header and a payload following the header are arranged, the header containing information on a status of use of the other radio apparatus that is a broadcasting source, and when the receiving unit receives the packet signal, while the receiving unit performs the intermittent receiving processing, and when the information contained in the header indicates that the other radio apparatus is mounted on a vehicle, the receiving unit stops receiving a remaining part of the packet signal.