Figure 1. Transmit Diversity with Array-Interference Gain for 2 TX Antennas. The channel estimation based on pilots. The estimation is then provided to the ‘channel estimator’ block performs block and the gain block. ‘combiner’ ‘array maximization’ Gain blocks in TX and RX, perform Both “Array Maximization” in order to compare all the IAm and selects the one that has the maximum value. Following, the gain block at the transmitter sends inherent to the maximum array m “array maximization” interference to the vector which selects Gm to be transmitted over the channel H since “transmit selector” block, Gm will yield the maximum array gain. In addition, array gain block at the receiver sends the “the maximization” index in binary, to the which is collocated in the same RX device. For instance, if = m, m ‘combiner’ block, ‘1’, the block will utilize the weight when it receives the signal from TX. w1, ‘combiner’ The estimate to the block. ‘combiner block’ provides symbol ‘maximum likelihood (ML) detector’ Array Gain Maximization Block In the array gain maximization block, the array interference IAm is stored as a function of H. Array Interference IA0 Array Interference IA1 In order to select the most aligned interference, the gain block performs ‘array maximization’
Figure 1. Transmit Diversity with Array-Interference Gain for 2 TX Antennas. The ‘channel estimator’ block performs channel estimation based on pilots. The estimation is then provided to the ‘combiner’ block and the ‘array gain maximization’ block. Both “Array Gain Maximization” blocks in TX and RX, perform in order to compare all the IAm and selects the one that has the maximum value. Following, the “array gain maximization” block at the transmitter sends m inherent to the maximum array interference to the “transmit vector selector” block, which selects Gm to be transmitted over the channel H since Gm will yield the maximum array gain. In addition, “the array gain maximization” block at the receiver sends the index m, in binary, to the ‘combiner’ block, which is collocated in the same RX device. For instance, if m = ‘1’, the ‘combiner’ block will utilize the weight w1, when it receives the signal from TX. The ‘combiner block’ provides symbol estimate to the ‘maximum likelihood (ML) detector’ block. Array Gain Maximization Block In the array gain maximization block, the array interference IAm is stored as a function of H. Array Interference IA0 Array Interference IA1 In order to select the most aligned interference, the ‘array gain maximization’ block performs
22-13-0131-01-000b-mimo-text-for-the-std-802-22b-standard.docx