mirror of https://github.com/PentHertz/srsLTE.git
50 lines
1.2 KiB
Matlab
50 lines
1.2 KiB
Matlab
function [ s1_m1 ] = compute_m1( m1, N_id_2)
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%COMPUTE_S Summary of this function goes here
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% Detailed explanation goes here
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% Generate s_tilda
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x_s_tilda(0+1) = 0;
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x_s_tilda(1+1) = 0;
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x_s_tilda(2+1) = 0;
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x_s_tilda(3+1) = 0;
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x_s_tilda(4+1) = 1;
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for(i_hat=0:25)
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x_s_tilda(i_hat+5+1) = mod((x_s_tilda(i_hat+2+1) + x_s_tilda(i_hat+1)), 2);
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end
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for(idx=0:30)
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s_tilda(idx+1) = 1 - 2*x_s_tilda(idx+1);
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end
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% Generate c_tilda
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x_c_tilda(0+1) = 0;
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x_c_tilda(1+1) = 0;
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x_c_tilda(2+1) = 0;
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x_c_tilda(3+1) = 0;
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x_c_tilda(4+1) = 1;
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for(i_hat=0:25)
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x_c_tilda(i_hat+5+1) = mod((x_c_tilda(i_hat+3+1) + x_c_tilda(i_hat+1)), 2);
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end
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for(idx=0:30)
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c_tilda(idx+1) = 1 - 2*x_c_tilda(idx+1);
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end
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% Generate z_tilda
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x_z_tilda(0+1) = 0;
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x_z_tilda(1+1) = 0;
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x_z_tilda(2+1) = 0;
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x_z_tilda(3+1) = 0;
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x_z_tilda(4+1) = 1;
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for(i_hat=0:25)
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x_z_tilda(i_hat+5+1) = mod((x_z_tilda(i_hat+4+1) + x_z_tilda(i_hat+2+1) + x_z_tilda(i_hat+1+1) + x_z_tilda(i_hat+1)), 2);
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end
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for(idx=0:30)
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z_tilda(idx+1) = 1 - 2*x_z_tilda(idx+1);
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end
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% Generate s0_m0 and s1_m1
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for(n=0:30)
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s1_m1(n+1) = s_tilda(mod(n + m1, 31)+1);
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end
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end
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