A programmable antenna includes a fixed antenna element and a programmable antenna element that is tunable to one of a plurality of resonant frequencies in response to at least one antenna control signal. A programmable impedance matching network is tunable in response to at least one matching network...http://www.google.com.tw/patents/US7893888?utm_source=gb-gplus-share專利 US7893888 - Programmable antenna with programmable impedance matching and methods for use therewith
