/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ /*!\brief Initilization and reconfiguration routines for LTE PHY */ #include "phy_init.h" #include "PHY/phy_extern.h" #include "PHY/CODING/coding_extern.h" #include "PHY/LTE_ESTIMATION/lte_estimation.h" #include "PHY/LTE_REFSIG/lte_refsig.h" #include "PHY/LTE_TRANSPORT/transport_common_proto.h" void generate_64qam_table(void) { int a,b,c,index; for (a=-1; a<=1; a+=2) for (b=-1; b<=1; b+=2) for (c=-1; c<=1; c+=2) { index = (1+a)*2 + (1+b) + (1+c)/2; qam64_table[index] = -a*(QAM64_n1 + b*(QAM64_n2 + (c*QAM64_n3))); // 0 1 2 } } void generate_16qam_table(void) { int a,b,index; for (a=-1; a<=1; a+=2) for (b=-1; b<=1; b+=2) { index = (1+a) + (1+b)/2; qam16_table[index] = -a*(QAM16_n1 + (b*QAM16_n2)); } } void generate_qpsk_table(void) { int a,index; for (a=-1; a<=1; a+=2) { index = (1+a)/2; qpsk_table[index] = -a*QPSK; } } void init_lte_top(LTE_DL_FRAME_PARMS *frame_parms) { ccodedot11_init(); ccodedot11_init_inv(); ccodelte_init(); ccodelte_init_inv(); phy_generate_viterbi_tables(); phy_generate_viterbi_tables_lte(); load_codinglib(); lte_sync_time_init(frame_parms); generate_ul_ref_sigs(); generate_ul_ref_sigs_rx(); generate_64qam_table(); generate_16qam_table(); generate_RIV_tables(); init_unscrambling_lut(); init_scrambling_lut(); //set_taus_seed(1328); } void free_lte_top(void) { free_codinglib(); lte_sync_time_free(); /* free_ul_ref_sigs() is called in phy_free_lte_eNB() */ } /* * @}*/