Diversity contribution of a versatile UHF RFID antenna system in portal applications

A versatile ultra high frequency radiofrequency identification (UHF RFID) antenna system is proposed. Spatial, polarization and radiation pattern diversity is demonstrated with a very reduced number of components. The diversity contribution of such an antenna is then characterized in terms of radio coverage in a RFID portal environment. Radio coverage in complex environment is greatly improved compared to the classical geometry.

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