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Fix order of DLSCH deinterleaving and rate matching

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On the gNB side tha data are first rate-matched and then interleaved.
So on the UE side, the received LLRs have to be deinterleaved first before rate-matching.

This significantly improved the performance, especially for MCS values > 3.
This commit is contained in:
Thomas Schlichter
2019-02-07 11:53:24 +01:00
parent df0b95536d
commit 268d1c8d17
6 changed files with 198 additions and 225 deletions
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openair1/PHY/CODING/coding_defs.h
+13 -20
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@@ -467,33 +467,26 @@ void nr_interleaving_ldpc(uint32_t E, uint8_t Qm, uint8_t *e,uint8_t *f);
void nr_deinterleaving_ldpc(uint32_t E, uint8_t Qm, int16_t *e,int16_t *f);
uint32_t nr_rate_matching_ldpc(uint8_t Ilbrm,
uint32_t Tbslbrm,
uint8_t BG,
uint16_t Z,
uint32_t G,
uint8_t *w,
uint8_t *e,
uint8_t C,
uint8_t rvidx,
uint8_t Qm,
uint8_t Nl,
uint8_t r);
int nr_rate_matching_ldpc(uint8_t Ilbrm,
uint32_t Tbslbrm,
uint8_t BG,
uint16_t Z,
uint8_t *w,
uint8_t *e,
uint8_t C,
uint8_t rvidx,
uint32_t E);
int nr_rate_matching_ldpc_rx(uint8_t Ilbrm,
uint32_t Tbslbrm,
uint8_t BG,
uint16_t Z,
uint32_t G,
uint32_t Tbslbrm,
uint8_t BG,
uint16_t Z,
int16_t *w,
int16_t *soft_input,
uint8_t C,
uint8_t rvidx,
uint8_t clear,
uint8_t Qm,
uint8_t Nl,
uint8_t r,
uint32_t *E_out);
uint32_t E);
decoder_if_t phy_threegpplte_turbo_decoder;
decoder_if_t phy_threegpplte_turbo_decoder8;