High speed communications systems for cars - dream of reality?

摘要

In the last few years the speed of communications systems has been improved significantly. New broadband digital subscriber line (DSL) modems boost the speed of Internet connection by factor of 100 or more compared with the 56kbps of analog modems. In the digital wireless communications world General Packet Radio Services (GPRS) or Enhanced Data Rates for Global Evolution (EDGE) enable data rates up to 384kbps, a real improvement compared with the 9.6kbps of the current GSM data rate. Future third generation Universal Mobile Telephone System (UMTS) will allow data rates up to 2Mbps. In the same time we see also a surging market for automotive electronics. According to Forward Concept global demand for vehicle electronics systems is expected to climb from