Methods and apparatus adapted to address asymmetric conditions in a multi-antenna system. In one embodiment, the multi-antenna system comprises a wireless (e.g., 3G cellular) multiple-input, multiple-output (MIMO) system, and the methods and apparatus efficiently utilize transmitter and receiver resources...http://www.google.com/patents/US8155063?utm_source=gb-gplus-sharePatent US8155063 - Apparatus and methods for transmission and reception of data in multi-antenna systems