System for information access and communication in a vehicle constituted by several coupled units

摘要

The system has a server unit arranged in a vehicle unit, multiple points of radio access arranged in different units and data processing device. A data network connects the server unit with the points of radio access and has wireless communication connections between coupled units. The radio communication with the Internettakes place by a portable radio or a wireless Local area network (LAN)or Metropolitan area network. Three Virtual local area network, are implemented in a LAN.