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openairinterface5G
openairinterface5G
Commit 4891d600 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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fix in PDCCH for Alamouti coding

parent 786972a9
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Showing with 4 additions and 5 deletions
openair1/PHY/LTE_TRANSPORT/dci.c
View file @ 4891d600
......@@ -2086,7 +2086,6 @@ uint8_t generate_dci_top(uint8_t num_ue_spec_dci,
frame_parms,
txdataF,
subframe);
wbar[0] = &wbar0[0];
wbar[1] = &wbar1[0];
y[0] = &yseq0[0];
......@@ -2190,15 +2189,15 @@ uint8_t generate_dci_top(uint8_t num_ue_spec_dci,
LOG_I(PHY," PDCCH Modulation (TX diversity): REG %d\n",i>>2);
#endif
// first antenna position n -> x0
((int16_t*)&y[0][i])[0] = (*e_ptr == 1) ? -gain_lin_QPSK : gain_lin_QPSK;
((int16_t*)&y[0][i])[0] = (*e_ptr==2) ? 0 : (*e_ptr == 1) ? -gain_lin_QPSK : gain_lin_QPSK;
e_ptr++;
((int16_t*)&y[0][i])[1] = (*e_ptr == 1) ? -gain_lin_QPSK : gain_lin_QPSK;
((int16_t*)&y[0][i])[1] = (*e_ptr==2) ? 0 : (*e_ptr == 1) ? -gain_lin_QPSK : gain_lin_QPSK;
e_ptr++;
// second antenna position n -> -x1*
((int16_t*)&y[1][i])[0] = (*e_ptr == 1) ? gain_lin_QPSK : -gain_lin_QPSK;
((int16_t*)&y[1][i])[0] = (*e_ptr==2) ? 0 : (*e_ptr == 1) ? gain_lin_QPSK : -gain_lin_QPSK;
e_ptr++;
((int16_t*)&y[1][i])[1] = (*e_ptr == 1) ? -gain_lin_QPSK : gain_lin_QPSK;
((int16_t*)&y[1][i])[1] = (*e_ptr==2) ? 0 : (*e_ptr == 1) ? -gain_lin_QPSK : gain_lin_QPSK;
e_ptr++;
// fill in the rest of the ALAMOUTI precoding
......
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