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@ -24,10 +24,13 @@
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#include "srsran/phy/utils/debug.h"
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#include "srsran/phy/utils/primes.h"
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#include "srsran/phy/utils/vector.h"
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#include <assert.h>
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#include <complex.h>
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#define NOF_ZC_SEQ 30
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// Phi values for M_sc=12 Table 5.5.1.2-1 in TS 36.211
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static const float zc_sequence_lte_phi_M_sc_12[30][12] = {
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static const float zc_sequence_lte_phi_M_sc_12[NOF_ZC_SEQ][12] = {
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{-1, 1, 3, -3, 3, 3, 1, 1, 3, 1, -3, 3}, {1, 1, 3, 3, 3, -1, 1, -3, -3, 1, -3, 3},
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{1, 1, -3, -3, -3, -1, -3, -3, 1, -3, 1, -1}, {-1, 1, 1, 1, 1, -1, -3, -3, 1, -3, 3, -1},
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{-1, 3, 1, -1, 1, -1, -3, -1, 1, -1, 1, 3}, {1, -3, 3, -1, -1, 1, 1, -1, -1, 3, -3, 1},
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@ -45,7 +48,7 @@ static const float zc_sequence_lte_phi_M_sc_12[30][12] = {
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{-1, 3, -3, 3, -1, 3, 3, -3, 3, 3, -1, -1}, {3, -3, -3, -1, -1, -3, -1, 3, -3, 3, 1, -1}};
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// Phi values for M_sc=24 Table 5.5.1.2-2 in TS 36.211
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static const float zc_sequence_lte_phi_M_sc_24[30][24] = {
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static const float zc_sequence_lte_phi_M_sc_24[NOF_ZC_SEQ][24] = {
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{-1, 3, 1, -3, 3, -1, 1, 3, -3, 3, 1, 3, -3, 3, 1, 1, -1, 1, 3, -3, 3, -3, -1, -3},
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{-3, 3, -3, -3, -3, 1, -3, -3, 3, -1, 1, 1, 1, 3, 1, -1, 3, -3, -3, 1, 3, 1, 1, -3},
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{3, -1, 3, 3, 1, 1, -3, 3, 3, 3, 3, 1, -1, 3, -1, 1, 1, -1, -3, -1, -1, 1, 3, 3},
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@ -78,7 +81,7 @@ static const float zc_sequence_lte_phi_M_sc_24[30][24] = {
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{1, 1, -1, -1, -3, -1, 3, -1, 3, -1, 1, 3, 1, -1, 3, 1, 3, -3, -3, 1, -1, -1, 1, 3}};
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// Phi values for M_sc=12 Table 5.2.2.2-1 in TS 38.211
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static const float zc_sequence_nr_phi_M_sc_6[30][6] = {
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static const float zc_sequence_nr_phi_M_sc_6[NOF_ZC_SEQ][6] = {
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{-3, -1, 3, 3, -1, -3}, {-3, 3, -1, -1, 3, -3}, {-3, -3, -3, 3, 1, -3}, {1, 1, 1, 3, -1, -3},
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{1, 1, 1, -3, -1, 3}, {-3, 1, -1, -3, -3, -3}, {-3, 1, 3, -3, -3, -3}, {-3, -1, 1, -3, 1, -1},
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{-3, -1, -3, 1, -3, -3}, {-3, -3, 1, -3, 3, -3}, {-3, 1, 3, 1, -3, -3}, {-3, -1, -3, 1, 1, -3},
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@ -89,7 +92,7 @@ static const float zc_sequence_nr_phi_M_sc_6[30][6] = {
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{1, 1, -1, 3, -3, -1}, {1, 1, -3, 1, -1, -1}};
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// Phi values for M_sc=12 Table 5.2.2.2-2 in TS 38.211
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static const float zc_sequence_nr_phi_M_sc_12[30][12] = {
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static const float zc_sequence_nr_phi_M_sc_12[NOF_ZC_SEQ][12] = {
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{-3, 1, -3, -3, -3, 3, -3, -1, 1, 1, 1, -3}, {-3, 3, 1, -3, 1, 3, -1, -1, 1, 3, 3, 3},
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{-3, 3, 3, 1, -3, 3, -1, 1, 3, -3, 3, -3}, {-3, -3, -1, 3, 3, 3, -3, 3, -3, 1, -1, -3},
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{-3, -1, -1, 1, 3, 1, 1, -1, 1, -1, -3, 1}, {-3, -3, 3, 1, -3, -3, -3, -1, 3, -1, 1, 3},
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@ -107,7 +110,7 @@ static const float zc_sequence_nr_phi_M_sc_12[30][12] = {
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{1, -1, 3, 1, 1, -1, -1, -1, 1, 3, -3, 1}, {-3, 3, -3, 3, -3, -3, 3, -1, -1, 1, 3, -3}};
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// Phi values for M_sc=18 Table 5.2.2.2-3 in TS 38.211
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static const float zc_sequence_nr_phi_M_sc_18[30][18] = {
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static const float zc_sequence_nr_phi_M_sc_18[NOF_ZC_SEQ][18] = {
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{-1, 3, -1, -3, 3, 1, -3, -1, 3, -3, -1, -1, 1, 1, 1, -1, -1, -1},
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{3, -3, 3, -1, 1, 3, -3, -1, -3, -3, -1, -3, 3, 1, -1, 3, -3, 3},
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{-3, 3, 1, -1, -1, 3, -3, -1, 1, 1, 1, 1, 1, -1, 3, -1, -3, -1},
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@ -140,7 +143,7 @@ static const float zc_sequence_nr_phi_M_sc_18[30][18] = {
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{-3, 3, 1, -1, -1, -1, -1, 1, -1, 3, 3, -3, -1, 1, 3, -1, 3, -1}};
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// Phi values for M_sc=18 Table 5.2.2.2-3 in TS 38.211
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static const float zc_sequence_nr_phi_M_sc_24[30][24] = {
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static const float zc_sequence_nr_phi_M_sc_24[NOF_ZC_SEQ][24] = {
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{-1, -3, 3, -1, 3, 1, 3, -1, 1, -3, -1, -3, -1, 1, 3, -3, -1, -3, 3, 3, 3, -3, -3, -3},
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{-1, -3, 3, 1, 1, -3, 1, -3, -3, 1, -3, -1, -1, 3, -3, 3, 3, 3, -3, 1, 3, 3, -3, -3},
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{-1, -3, -3, 1, -1, -1, -3, 1, 3, -1, -3, -1, -1, -3, 1, 1, 3, 1, -3, -1, -1, 3, -3, -3},
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@ -174,31 +177,37 @@ static const float zc_sequence_nr_phi_M_sc_24[30][24] = {
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static void zc_sequence_lte_r_uv_arg_1prb(uint32_t u, cf_t* tmp_arg)
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{
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assert(u < NOF_ZC_SEQ);
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srsran_vec_sc_prod_fcc(zc_sequence_lte_phi_M_sc_12[u], M_PI_4, tmp_arg, SRSRAN_NRE);
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}
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static void zc_sequence_lte_r_uv_arg_2prb(uint32_t u, cf_t* tmp_arg)
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{
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assert(u < NOF_ZC_SEQ);
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srsran_vec_sc_prod_fcc(zc_sequence_lte_phi_M_sc_24[u], M_PI_4, tmp_arg, 2 * SRSRAN_NRE);
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}
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static void zc_sequence_nr_r_uv_arg_0dot5prb(uint32_t u, cf_t* tmp_arg)
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{
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assert(u < NOF_ZC_SEQ);
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srsran_vec_sc_prod_fcc(zc_sequence_nr_phi_M_sc_6[u], M_PI_4, tmp_arg, SRSRAN_NRE / 2);
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}
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static void zc_sequence_nr_r_uv_arg_1prb(uint32_t u, cf_t* tmp_arg)
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{
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assert(u < NOF_ZC_SEQ);
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srsran_vec_sc_prod_fcc(zc_sequence_nr_phi_M_sc_12[u], M_PI_4, tmp_arg, SRSRAN_NRE);
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}
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static void zc_sequence_nr_r_uv_arg_1dot5prb(uint32_t u, cf_t* tmp_arg)
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{
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assert(u < NOF_ZC_SEQ);
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srsran_vec_sc_prod_fcc(zc_sequence_nr_phi_M_sc_18[u], M_PI_4, tmp_arg, (3 * SRSRAN_NRE) / 2);
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}
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static void zc_sequence_nr_r_uv_arg_2prb(uint32_t u, cf_t* tmp_arg)
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{
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assert(u < NOF_ZC_SEQ);
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srsran_vec_sc_prod_fcc(zc_sequence_nr_phi_M_sc_24[u], M_PI_4, tmp_arg, 2 * SRSRAN_NRE);
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}
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@ -270,7 +279,7 @@ static int zc_sequence_nr_r_uv_arg(uint32_t M_zc, uint32_t u, uint32_t v, cf_t*
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static void zc_sequence_generate(uint32_t M_zc, float alpha, const cf_t* tmp_arg, cf_t* sequence)
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{
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for (uint32_t i = 0; i < M_zc; i++) {
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sequence[i] = cexpf(I * (tmp_arg[i] + alpha * (float)i));
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sequence[i] = cexpf(I * (tmp_arg[i] + alpha * (cf_t)i));
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}
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}
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