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- bug fixes

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git-svn-id: http://moon:8086/svn/matlab/trunk@22 801c6759-fa7c-4059-a304-17956f83a07c
This commit is contained in:
jens
2015-04-05 11:05:39 +00:00
parent 7154d5d94e
commit b66da25242
1 changed files with 47 additions and 48 deletions
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ofdm/ofdm_tx.m
+47 -48
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@@ -32,40 +32,40 @@ DRM_MODE_C = 3;
DRM_MODE_D = 4; DRM_MODE_D = 4;
DRM_MODE_E = 5; DRM_MODE_E = 5;
ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_4k5) = struct('kmin', 2, 'kmax', 102); ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_4k5) = struct('spec', SPEC_OCC_4k5, 'kmin', 2, 'kmax', 102);
ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_5k0) = struct('kmin', 2, 'kmax', 114); ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_5k0) = struct('spec', SPEC_OCC_5k0, 'kmin', 2, 'kmax', 114);
ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_9k0) = struct('kmin', -102, 'kmax', 102); ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_9k0) = struct('spec', SPEC_OCC_9k0, 'kmin', -102, 'kmax', 102);
ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_10k) = struct('kmin', -114, 'kmax', 114); ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_10k) = struct('spec', SPEC_OCC_10k, 'kmin', -114, 'kmax', 114);
ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_18k) = struct('kmin', - 98, 'kmax', 314); ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_18k) = struct('spec', SPEC_OCC_18k, 'kmin', - 98, 'kmax', 314);
ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_20k) = struct('kmin', -110, 'kmax', 350); ofdm_spec_occ_drm(DRM_MODE_A, SPEC_OCC_20k) = struct('spec', SPEC_OCC_20k, 'kmin', -110, 'kmax', 350);
ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_4k5) = struct('kmin', 1, 'kmax', 91); ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_4k5) = struct('spec', SPEC_OCC_4k5, 'kmin', 1, 'kmax', 91);
ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_5k0) = struct('kmin', 1, 'kmax', 103); ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_5k0) = struct('spec', SPEC_OCC_5k0, 'kmin', 1, 'kmax', 103);
ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_9k0) = struct('kmin', - 91, 'kmax', 91); ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_9k0) = struct('spec', SPEC_OCC_9k0, 'kmin', - 91, 'kmax', 91);
ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_10k) = struct('kmin', -103, 'kmax', 103); ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_10k) = struct('spec', SPEC_OCC_10k, 'kmin', -103, 'kmax', 103);
ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_18k) = struct('kmin', - 87, 'kmax', 279); ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_18k) = struct('spec', SPEC_OCC_18k, 'kmin', - 87, 'kmax', 279);
ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_20k) = struct('kmin', - 99, 'kmax', 311); ofdm_spec_occ_drm(DRM_MODE_B, SPEC_OCC_20k) = struct('spec', SPEC_OCC_20k, 'kmin', - 99, 'kmax', 311);
ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_4k5) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_4k5) = struct('spec', SPEC_OCC_4k5, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_5k0) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_5k0) = struct('spec', SPEC_OCC_5k0, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_9k0) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_9k0) = struct('spec', SPEC_OCC_9k0, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_10k) = struct('kmin', - 69, 'kmax', 69); ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_10k) = struct('spec', SPEC_OCC_10k, 'kmin', - 69, 'kmax', 69);
ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_18k) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_18k) = struct('spec', SPEC_OCC_18k, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_20k) = struct('kmin', - 67, 'kmax', 213); ofdm_spec_occ_drm(DRM_MODE_C, SPEC_OCC_20k) = struct('spec', SPEC_OCC_20k, 'kmin', - 67, 'kmax', 213);
ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_4k5) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_4k5) = struct('spec', SPEC_OCC_4k5, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_5k0) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_5k0) = struct('spec', SPEC_OCC_5k0, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_9k0) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_9k0) = struct('spec', SPEC_OCC_9k0, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_10k) = struct('kmin', - 44, 'kmax', 44); ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_10k) = struct('spec', SPEC_OCC_10k, 'kmin', - 44, 'kmax', 44);
ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_18k) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_18k) = struct('spec', SPEC_OCC_18k, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_20k) = struct('kmin', - 43, 'kmax', 135); ofdm_spec_occ_drm(DRM_MODE_D, SPEC_OCC_20k) = struct('spec', SPEC_OCC_20k, 'kmin', - 43, 'kmax', 135);
ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_4k5) = struct('kmin', -106, 'kmax', 106); ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_4k5) = struct('spec', SPEC_OCC_4k5, 'kmin', -106, 'kmax', 106);
ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_5k0) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_5k0) = struct('spec', SPEC_OCC_5k0, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_9k0) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_9k0) = struct('spec', SPEC_OCC_9k0, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_10k) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_10k) = struct('spec', SPEC_OCC_10k, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_18k) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_18k) = struct('spec', SPEC_OCC_18k, 'kmin', 0, 'kmax', 0);
ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_20k) = struct('kmin', 0, 'kmax', 0); ofdm_spec_occ_drm(DRM_MODE_E, SPEC_OCC_20k) = struct('spec', SPEC_OCC_20k, 'kmin', 0, 'kmax', 0);
W1024{DRM_MODE_A,:,:} = [228 341 455; 455 569 683; 683 796 910; 910 0 114; 114 228 341]; W1024{DRM_MODE_A,:,:} = [228 341 455; 455 569 683; 683 796 910; 910 0 114; 114 228 341];
W1024{DRM_MODE_B,:,:} = [512 0 512 0 512; 0 512 0 512 0; 512 0 512 0 512]; W1024{DRM_MODE_B,:,:} = [512 0 512 0 512; 0 512 0 512 0; 512 0 512 0 512];
@@ -103,7 +103,7 @@ Ts = Tu+Tg
Ng = round(Tg*fa) Ng = round(Tg*fa)
Nu = round(Tu*fa) Nu = round(Tu*fa)
Ns = round(Ts*fa) Ns = round(Ts*fa)
N_fft = Nu; N_fft = Nu
SubCarrierspacing_HZ = fa/N_fft SubCarrierspacing_HZ = fa/N_fft
% TX window % TX window
@@ -128,18 +128,17 @@ for k=1:N_frames
if WITH_DATA == 1 if WITH_DATA == 1
data_i = c2i(N_fft, ofdm_spec_occ.kmin:1:ofdm_spec_occ.kmax); data_i = c2i(N_fft, ofdm_spec_occ.kmin:1:ofdm_spec_occ.kmax);
sym = round(M_QAM*rand(1, length(data_i))+0.5); sym = round(M_QAM*rand(1, length(data_i))+0.5);
X(data_i) = 0.10*qlut(sym); X(data_i) = 0.20*qlut(sym);
end; end;
% X(c2i(N_fft,65)) = 0.20*qlut(round(M_qam*rand(1, 1)+0.5));
if WITH_FREQ_REF == 1 if WITH_FREQ_REF == 1
[ref_c ref_p ref_a] = getRefFreq(DRM_MODE_B, s); [ref_c ref_p ref_a] = getRefFreq(ofdm_params.mode);
X(c2i(N_fft, ref_c)) = 0.20*ref_a.*(exp(2*pi*i*ref_p/1024)); X(c2i(N_fft, ref_c)) = 0.20*ref_a.*(exp(2*pi*i*ref_p/1024));
end; end;
if (s==0) & (WITH_TIME_REF == 1) if (s==0) & (WITH_TIME_REF == 1)
[ref_c ref_p ref_a] = getRefTime(DRM_MODE_B); [ref_c ref_p ref_a] = getRefTime(ofdm_params.mode);
X(c2i(N_fft, ref_c)) = 0.20*ref_a.*(exp(2*pi*i*ref_p/1024)); X(c2i(N_fft, ref_c)) = 0.20*ref_a.*(exp(2*pi*i*ref_p/1024));
end; end;
@@ -165,7 +164,7 @@ for k=1:N_frames
end; end;
% Modulate on carrier % Modulate on carrier
yc = 0.5*exp(i*2*pi.*(0:length(xv)-1)*fc/fa) .* xv; %filter(hlp,1,xv); yc = 0.5*exp(i*2*pi.*(0:length(xv)-1)*fc/fa) .* xv;
yv = real(yc) + imag(yc); yv = real(yc) + imag(yc);
xv = conj(xv'); xv = conj(xv');
@@ -178,9 +177,9 @@ function index = c2i(N_fft, carriers)
ri = []; ri = [];
ri = [ri find(carriers == 0)]; ri = [ri find(carriers == 0)];
carriers(ri) = []; carriers(ri) = [];
index = mod(-carriers, 1024) + 1; index = mod(-carriers, N_fft) + 1;
function [ref_c ref_p ref_a] = getRefFreq(drmMode, s) function [ref_c ref_p ref_a] = getRefFreq(drmMode)
ref_A_c = [18 54 72]; ref_A_c = [18 54 72];
ref_A_p = [205 836 215]; ref_A_p = [205 836 215];
@@ -204,27 +203,27 @@ ref_E_p = [];
ref_E_a = []; ref_E_a = [];
switch drmMode switch drmMode
case 1 case 'MODE_A'
ref_c = ref_A_c; ref_c = ref_A_c;
ref_p = ref_A_p; ref_p = ref_A_p;
ref_a = ref_A_a; ref_a = ref_A_a;
case 2 case 'MODE_B'
ref_c = ref_B_c; ref_c = ref_B_c;
ref_p = ref_B_p; ref_p = ref_B_p;
ref_a = ref_B_a; ref_a = ref_B_a;
case 3 case 'MODE_C'
ref_c = ref_C_c; ref_c = ref_C_c;
ref_p = ref_C_p; ref_p = ref_C_p;
ref_a = ref_C_a; ref_a = ref_C_a;
case 4 case 'MODE_D'
ref_c = ref_D_c; ref_c = ref_D_c;
ref_p = ref_D_p; ref_p = ref_D_p;
ref_a = ref_D_a; ref_a = ref_D_a;
case 5 case 'MODE_E'
ref_c = ref_E_c; ref_c = ref_E_c;
ref_p = ref_E_p; ref_p = ref_E_p;
ref_a = ref_E_a; ref_a = ref_E_a;
@@ -237,27 +236,27 @@ ref_B_p = [304 108 620 192 704 44 432 588 844 651 651 460 460 944 940 428];
ref_B_a = sqrt(2)*ones(1,16); ref_B_a = sqrt(2)*ones(1,16);
switch drmMode switch drmMode
case 1 case 'MODE_A'
ref_c = []; ref_c = [];
ref_p = []; ref_p = [];
ref_a = []; ref_a = [];
case 2 case 'MODE_B'
ref_c = ref_B_c; ref_c = ref_B_c;
ref_p = ref_B_p; ref_p = ref_B_p;
ref_a = ref_B_a; ref_a = ref_B_a;
case 3 case 'MODE_C'
ref_c = []; ref_c = [];
ref_p = []; ref_p = [];
ref_a = []; ref_a = [];
case 4 case 'MODE_D'
ref_c = []; ref_c = [];
ref_p = []; ref_p = [];
ref_a = []; ref_a = [];
case 5 case 'MODE_E'
ref_c = []; ref_c = [];
ref_p = []; ref_p = [];
ref_a = []; ref_a = [];