A device 20 includes a receiver 21 for receiving and processing signals at least in a first frequency band and an antenna 216 which is connected to the receiver 21. In order to improve the performance of such a receiver, the device 20 in addition includes a tuning component 217 for shifting a frequency...http://www.google.com/patents/US7525481?utm_source=gb-gplus-sharePatent US7525481 - Performance of a receiver in interfering conditions
