(*)<..................>(*)<..................>(*) | | | +-----------+ +-----------+ +-----------+ | | | | | | | +-------+ | | +-------+ | | +-------+ | | |IP-OBU1| | | |IP-RSU1| | | |IP-OBU3| | | +-------+ | | +-------+ | | +-------+ | | ^ | | ^ | | ^ | | | |=====> | | | | | |=====> | v | | v | | v | | +-------+ | | +-------+ | | +-------+ | | | Host1 | | | | Host2 | | | | Host3 | | | +-------+ | | +-------+ | | +-------+ | | | | | | | +-----------+ +-----------+ +-----------+ Vehicle1 EN1 Vehicle3 <----> Wired Link <....> Wireless Link ===> Moving Direction (*) Antenna