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/*! \file PHY/NR_TRANSPORT/nr_tbs_tools.c
* \brief Top-level routines for implementing LDPC-coded (DLSCH) transport channels from 38-212, 15.2
* \author H.Wang
* \date 2018
* \version 0.1
* \company Eurecom
* \email:
* \note
* \warning
*/

#include "nr_transport_common_proto.h"
#include "PHY/CODING/coding_defs.h"


uint32_t nr_get_G(uint16_t nb_rb, uint16_t nb_symb_sch,uint8_t nb_re_dmrs,uint16_t length_dmrs, uint8_t Qm, uint8_t Nl) {
	uint32_t G;
	G = ((NR_NB_SC_PER_RB*nb_symb_sch)-(nb_re_dmrs*length_dmrs))*nb_rb*Qm*Nl;
	return(G);
}

uint32_t nr_get_E(uint32_t G, uint8_t C, uint8_t Qm, uint8_t Nl, uint8_t r) {
  uint32_t E;
  uint8_t Cprime = C; //assume CBGTI not present

  AssertFatal(Nl>0,"Nl is 0\n");
  AssertFatal(Qm>0,"Qm is 0\n");

  if (r <= Cprime - ((G/(Nl*Qm))%Cprime) - 1)
      E = Nl*Qm*(G/(Nl*Qm*Cprime));
  else
      E = Nl*Qm*((G/(Nl*Qm*Cprime))+1);

  return E;
}
