A closed-loop MIMO system includes a receiver for forming a new predefined set by using elements of a previous predefined set, selecting a certain matrix of the new predefined set, and feeding back an index of the matrix, if the number of transmit antennas increases, and a transmitter for performing...http://www.google.es/patents/US8023582?utm_source=gb-gplus-sharePatente US8023582 - Signal transmission method of closed-loop MIMO system
Signal transmission method of closed-loop MIMO system
