}elseif(ru->is_slave==1&&ru->state==RU_RUN&&((proc->RU_mask[ru->proc.tti_rx]&(1<<0))==1)){// master already received. TODO: we assume that RU0 is master.
}elseif(ru->is_slave==1&&ru->state==RU_RUN&&((proc->RU_mask[ru->proc.tti_rx]&(1<<0))==1)){// master already received. TODO: we assume that RU0 is master.