Analysis of TMC Antenna Solutions

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Executive Summary

Existing solutions for TMC [Traffic Message Channel] antennas in navigation devices are based on long wire antennas that are externally attached and cause many handling problems considering antenna positioning. This paper shows new solutions with compact external TMC antennas as well as internal antennas integrated in the navigation device. The possibility is introduced how to bring the antenna into the navigation device without increasing its volume or having influence on the existing design. PND (Personal Navigation Device) became in the recent years very popular. Only low percentage of the vehicles has got the devices integrated directly from OEM (Original Equipment Manufacturer) as these are still very expensive.

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