Fixed PUSCH w/o UL-SCH and CQI length lower than 11

lte/phy/lib/phch/src/sch.c

@@ -514,6 +514,7 @@ int ulsch_encode(sch_t *q, uint8_t *data, uint8_t *q_bits,
   return ulsch_uci_encode(q, data, uci_data, q_bits, NULL, NULL, harq_process, rv_idx);
 }
 
+
 int ulsch_uci_encode(sch_t *q, uint8_t *data, uci_data_t uci_data, uint8_t *q_bits, 
                  uint8_t *q_bits_ack, uint8_t *q_bits_ri, 
                  harq_t *harq_process, uint32_t rv_idx) 

lte/phy/lib/phch/src/uci.c

@@ -122,12 +122,12 @@ int encode_cqi_short(uci_cqi_t *q, uint8_t *data, uint32_t nof_bits, uint8_t *q_
     for (int i=0;i<32;i++) {
       q->encoded_cqi[i] = 0;
       for (int n=0;n<nof_bits;n++) {
-        q->encoded_cqi[i] += (data[n] * M_basis_seq[i][n]) % 2; 
+        q->encoded_cqi[i] += (data[n] * M_basis_seq[i][n]); 
       }
     }
     
     for (int i=0;i<Q;i++) {
-      q_bits[i] = q->encoded_cqi[i%32];
+      q_bits[i] = q->encoded_cqi[i%32]%2;
     }
     return LIBLTE_SUCCESS;
   } else {
@@ -203,7 +203,11 @@ static uint32_t Q_prime_ri_ack(uint32_t O, uint32_t O_cqi, float beta, harq_t *h
   
   // If not carrying UL-SCH, get Q_prime according to 5.2.4.1
   if (K == 0) {
-    K = O_cqi+8;     
+    if (O_cqi <= 11) {
+      K = O_cqi; 
+    } else {
+      K = O_cqi+8;     
+    }
   }
     
   uint32_t M_sc_init = harq_process->nof_prb_pusch_init * RE_X_RB;

lte/phy/lib/phch/test/pusch_test.c

@@ -199,9 +199,9 @@ int main(int argc, char **argv) {
     uci_data.beta_ri = 2.0; 
     uci_data.beta_ack = 2.0; 
     uci_data.uci_cqi = tmp;
-    uci_data.uci_cqi_len = 20; 
-    uci_data.uci_ri_len = 0; 
-    uci_data.uci_ack_len = 1; 
+    uci_data.uci_cqi_len = 10; 
+    uci_data.uci_ri_len = 1; 
+    uci_data.uci_ack_len = 0; 
     
     uint32_t nof_symbols = 12*harq_process.prb_alloc.slot[0].nof_prb*RE_X_RB;
     uint32_t nof_bits_e = nof_symbols * lte_mod_bits_x_symbol(harq_process.mcs.mod);

matlab/tests/ulsch_test.m

@@ -1,23 +1,23 @@
 ueConfig=struct('NCellID',1,'CyclicPrefixUL','Normal','NTxAnts',1);
-puschConfig=struct('NLayers',1,'OrthCover','Off','PRBSet',0,'Modulation','64QAM','RV',0,'Shortened',0);
+puschConfig=struct('NLayers',1,'OrthCover','Off','PRBSet',0,'Modulation','QPSK','RV',0,'Shortened',0);
 
 addpath('../../debug/lte/phy/lib/phch/test')
 
 TBs=99;
 error=zeros(size(TBs));
 for i=1:length(error)
-    %trblkin=randi(2,TBs(i),1)-1;
+    trblkin=randi(2,TBs(i),1)-1;
     %trblkin=ones(TBs(i),1);
-    trblkin=[];
+    %trblkin=[];
     
-    puschConfig.BetaCQI = 7.0; 
-    puschConfig.BetaRI = 5.0;
-    puschConfig.BetaACK = 11.0;
+    puschConfig.BetaCQI = 2.0; 
+    puschConfig.BetaRI = 2.0;
+    puschConfig.BetaACK = 2.0;
 
-    [mat, info]=lteULSCH(ueConfig,puschConfig,trblkin,[ones(1,25)],[1],[1],[]);
+    [mat, info]=lteULSCH(ueConfig,puschConfig,trblkin,[],[],[],[]);
     mat(mat==-2)=2;
     mat(mat==-1)=3;
-    [lib]=liblte_ulsch_encode(ueConfig,puschConfig,trblkin,[ones(1,25)],[1],[1]);
+    [lib]=liblte_ulsch_encode(ueConfig,puschConfig,trblkin,[],[],[]);
     error(i)=sum(abs(double(mat)-double(lib)));
     if (length(TBs) == 1)
         disp(error(i))