When the channel estimation input is a matrix, the value of the 'Number of receive antennas' parameter must be 1. what changes should be made to debug this error from my 3 is 2 stbc ofdm simulink model

When the channel estimation input is a matrix, the value of the 'Number of receive antennas' parameter must be 1. what changes should be made to debug this error from my 3 is 2 stbc ofdm simulink model ? Have been trying to simulate the model in simulink n its giving error in thr rayleigh block and in the path matrix block...plz help me urgently....plz plz plz

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/29922-why-your-question-is-not-urgent-or-an-emergency