add fairness coefficient to UL.

srsenb/src/stack/mac/schedulers/sched_time_pf.cc

@@ -165,7 +165,7 @@ void sched_time_pf::ue_ctxt::new_tti(const sched_cell_params_t& cell, sched_ue&
     // calculate DL PF priority
     float r = ue.get_expected_dl_bitrate(ue_cc_idx) / 8;
     float R = dl_avg_rate();
-    dl_prio = (R != 0) ? pow(r, fairness_coeff) / R : (r == 0 ? 0 : std::numeric_limits<float>::max());
+    dl_prio = (R != 0) ? r / pow(R, fairness_coeff) : (r == 0 ? 0 : std::numeric_limits<float>::max());
   }
 
   // Calculate UL priority
@@ -176,7 +176,7 @@ void sched_time_pf::ue_ctxt::new_tti(const sched_cell_params_t& cell, sched_ue&
   if (ul_h != nullptr) {
     float r = ue.get_expected_ul_bitrate(ue_cc_idx) / 8;
     float R = ul_avg_rate();
-    ul_prio = (R != 0) ? r / R : (r == 0 ? 0 : std::numeric_limits<float>::max());
+    ul_prio = (R != 0) ? r / pow(R, fairness_coeff) : (r == 0 ? 0 : std::numeric_limits<float>::max());
   }
 }