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Added SSB center frequency to band helper

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master
Andre Puschmann 3 years ago
parent 91e17337db
commit 5b0767772b
1 changed files with 59 additions and 51 deletions
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88
lib/include/srsran/common/band_helper.h
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@ -115,7 +115,7 @@ public:
uint32_t get_abs_freq_point_a_arfcn(uint32_t nof_prb, uint32_t arfcn); uint32_t get_abs_freq_point_a_arfcn(uint32_t nof_prb, uint32_t arfcn);
/** /**
* @brief Compute the absolute frequency of the SSB for a DL ARFCN and a band. sThis selects an SSB center frequency * @brief Compute the absolute frequency of the SSB for a DL ARFCN and a band. This selects an SSB center frequency
* following the band SS/PBCH frequency raster provided by 38.104 table 5.4.3.1-1 as close as possible to PointA * following the band SS/PBCH frequency raster provided by 38.104 table 5.4.3.1-1 as close as possible to PointA
* without letting any SS/PBCH subcarrier below PointA * without letting any SS/PBCH subcarrier below PointA
* *
@ -126,6 +126,13 @@ public:
*/ */
uint32_t get_abs_freq_ssb_arfcn(uint16_t band, srsran_subcarrier_spacing_t scs, uint32_t freq_point_a_arfcn); uint32_t get_abs_freq_ssb_arfcn(uint16_t band, srsran_subcarrier_spacing_t scs, uint32_t freq_point_a_arfcn);
/**
* @brief Compute SSB center frequency for NR carrier
* @param carrier Const Reference to a carrier struct including PRB, abs. frequency point A and carrier offset.
* @return double Frequency in Hz
*/
double get_ssb_center_freq(const srsran_carrier_nr_t& carrier);
class sync_raster_t class sync_raster_t
{ {
protected: protected:
@ -309,22 +316,23 @@ private:
{83, KHZ_100, 140600, 20, 149600, 0, 0, 0}, {83, KHZ_100, 140600, 20, 149600, 0, 0, 0},
{84, KHZ_100, 384000, 20, 396000, 0, 0, 0}, {84, KHZ_100, 384000, 20, 396000, 0, 0, 0},
{86, KHZ_100, 342000, 20, 356000, 0, 0, 0} {86, KHZ_100, 342000, 20, 356000, 0, 0, 0}
// clang-format on // clang-format on
}}; }};
static const uint32_t nof_nr_bands_fr2 = 8; static const uint32_t nof_nr_bands_fr2 = 8;
static constexpr std::array<nr_band, nof_nr_bands_fr2> nr_band_table_fr2 = { static constexpr std::array<nr_band, nof_nr_bands_fr2> nr_band_table_fr2 = {{
{{257, KHZ_60, 2054166, 1, 2104165, 2054166, 1, 2104165}, {257, KHZ_60, 2054166, 1, 2104165, 2054166, 1, 2104165},
{257, KHZ_120, 2054167, 2, 2104165, 2054167, 20, 2104165}, {257, KHZ_120, 2054167, 2, 2104165, 2054167, 20, 2104165},
{258, KHZ_60, 2016667, 1, 2070832, 2016667, 1, 2070832}, {258, KHZ_60, 2016667, 1, 2070832, 2016667, 1, 2070832},
{258, KHZ_120, 2016667, 2, 2070831, 2016667, 2, 2070832}, {258, KHZ_120, 2016667, 2, 2070831, 2016667, 2, 2070832},
{260, KHZ_60, 2229166, 1, 2279165, 2229166, 1, 2279165}, {260, KHZ_60, 2229166, 1, 2279165, 2229166, 1, 2279165},
{260, KHZ_120, 2229167, 2, 2279165, 2229167, 2, 2279165}, {260, KHZ_120, 2229167, 2, 2279165, 2229167, 2, 2279165},
{261, KHZ_60, 2070833, 1, 2084999, 2070833, 1, 2084999}, {261, KHZ_60, 2070833, 1, 2084999, 2070833, 1, 2084999},
{261, KHZ_120, 2070833, 2, 2084999, 2070833, 2, 2084999}}}; {261, KHZ_120, 2070833, 2, 2084999, 2070833, 2, 2084999}
}};
// Elements of TS 38.101-1 Table 5.4.3.3-1 : Applicable SS raster entries per operating band // Elements of TS 38.101-1 Table 5.4.3.3-1 : Applicable SS raster entries per operating band
struct nr_band_ss_raster { struct nr_band_ss_raster {
@ -337,35 +345,35 @@ private:
}; };
static const uint32_t nof_nr_band_ss_raster = 29; static const uint32_t nof_nr_band_ss_raster = 29;
static constexpr std::array<nr_band_ss_raster, nof_nr_band_ss_raster> nr_band_ss_raster_table = {{ static constexpr std::array<nr_band_ss_raster, nof_nr_band_ss_raster> nr_band_ss_raster_table = {{
{1, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5279, 1, 5419}, {1, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5279, 1, 5419},
{2, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4829, 1, 4969}, {2, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4829, 1, 4969},
{3, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4517, 1, 4693}, {3, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4517, 1, 4693},
{5, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 2177, 1, 2230}, {5, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 2177, 1, 2230},
{5, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_B, 2183, 1, 2224}, {5, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_B, 2183, 1, 2224},
{7, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 6554, 1, 6718}, {7, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 6554, 1, 6718},
{8, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 2318, 1, 2395}, {8, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 2318, 1, 2395},
{12, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1828, 1, 1858}, {12, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1828, 1, 1858},
{20, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1982, 1, 2047}, {20, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1982, 1, 2047},
{25, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4829, 1, 4981}, {25, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4829, 1, 4981},
{28, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1901, 1, 2002}, {28, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1901, 1, 2002},
{34, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5030, 1, 5056}, {34, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5030, 1, 5056},
{38, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 6431, 1, 6544}, {38, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 6431, 1, 6544},
{39, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4706, 1, 4795}, {39, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4706, 1, 4795},
{40, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5756, 1, 5995}, {40, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5756, 1, 5995},
{41, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 6246, 3, 6717}, {41, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 6246, 3, 6717},
{41, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 6252, 3, 6714}, {41, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 6252, 3, 6714},
{50, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3584, 1, 3787}, {50, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3584, 1, 3787},
{51, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3572, 1, 3574}, {51, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3572, 1, 3574},
{66, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5279, 1, 5494}, {66, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 5279, 1, 5494},
{66, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_B, 5285, 1, 5488}, {66, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_B, 5285, 1, 5488},
{70, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4993, 1, 5044}, {70, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 4993, 1, 5044},
{71, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1547, 1, 1624}, {71, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 1547, 1, 1624},
{74, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3692, 1, 3790}, {74, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3692, 1, 3790},
{75, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3584, 1, 3787}, {75, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3584, 1, 3787},
{76, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3572, 1, 3574}, {76, srsran_subcarrier_spacing_15kHz, SRSRAN_SSB_PATTERN_A, 3572, 1, 3574},
{77, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 7711, 1, 8329}, {77, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 7711, 1, 8329},
{78, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 7711, 1, 8051}, {78, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 7711, 1, 8051},
{79, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 8480, 16, 8880}, {79, srsran_subcarrier_spacing_30kHz, SRSRAN_SSB_PATTERN_C, 8480, 16, 8880},
}}; }};
}; };

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