A reflector array antenna is divided into independent subarrays each comprising at least two radiating elements adapted firstly to collect signals delivered by a source and having at least one chosen first polarization and secondly to send phase-shifted signals having at least one chosen second polarization...http://www.google.fr/patents/US7142164?utm_source=gb-gplus-shareBrevet US7142164 - Low-loss reconfigurable reflector array antenna
