The present invention provides a technique to reduce the number of RF components by using digital signal processing functions in wireless receivers having two or more antennas, which results in the reduction of system cost. The reduction occurs by using a multiplexer or switch to sample the signal received...http://www.google.de/patents/US7298715?utm_source=gb-gplus-sharePatent US7298715 - Communication receiver with signal processing for beam forming and antenna diversity
