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Use empirical SNR-to-CQI mapping table

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master
Ismael Gomez 7 years ago
parent 9a2c8d9b89
commit a4ab30a0c5
1 changed files with 2 additions and 2 deletions
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lib/src/phy/phch/cqi.c
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@ -272,10 +272,10 @@ float srslte_cqi_to_coderate(uint32_t cqi) {
* Table III. * Table III.
*/ */
// From paper // From paper
static float cqi_to_snr_table[15] = { 1.95, 4, 6, 8, 10, 11.95, 14.05, 16, 17.9, 19.9, 21.5, 23.45, 25.0, 27.30, 29}; //static float cqi_to_snr_table[15] = { 1.95, 4, 6, 8, 10, 11.95, 14.05, 16, 17.9, 19.9, 21.5, 23.45, 25.0, 27.30, 29};
// From experimental measurements @ 5 MHz // From experimental measurements @ 5 MHz
//static float cqi_to_snr_table[15] = { 1, 1.75, 3, 4, 5, 6, 7.5, 9, 11.5, 13.0, 15.0, 18, 20, 22.5, 26.5}; static float cqi_to_snr_table[15] = { 1, 1.75, 3, 4, 5, 6, 7.5, 9, 11.5, 13.0, 15.0, 18, 20, 22.5, 26.5};
uint8_t srslte_cqi_from_snr(float snr) uint8_t srslte_cqi_from_snr(float snr)
{ {

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