channel.m

OFDM信道估计和均衡的仿真程序

%+----------------------------------------------------------------+
%|                                                                |
%|  Name: channel.m                                               |
%|  Author: Mathew Liu, James Shen                                |
%|  Description: Filters an input signal based on channel         |
%|  characteristics.                                              |
%|                                                                |
%+----------------------------------------------------------------+
function[output] = channel(input, SNRdB);


%+----------------------------------------------------------------+
%|                    CHANNEL MODEL                               |
%+----------------------------------------------------------------+
%=============== Pass Through Rayleigh Channel ====================
h = [1 0.5 0.1 0.001];

output = filter(h, 1, input) + AWGN_noise(input, SNRdB);

%=====================  END FILE ===================================