ghaddab
56c3197b09
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5713 818b1a75-f10b-46b9-bf7c-635c3b92a50f
136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
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*******************************************************************************/
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#include "PHY/types.h"
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#include "PHY/defs.h"
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#include "PHY/vars.h"
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#include "PHY/CONFIG/vars.h"
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#include "MAC_INTERFACE/vars.h"
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main() {
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char chbch_tx_power;
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int chbch_size,i,ii,j;
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int nb_antennas_tx=1;
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unsigned int sync_pos;
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char fname[40],vname[40];
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unsigned char *chbch_pdu_tx[2],*chbch_pdu_rx[2];
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int ret[2];
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int tx_energy;
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PHY_vars = malloc(sizeof(PHY_VARS));
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PHY_config = malloc(sizeof(PHY_CONFIG));
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mac_xface = malloc(sizeof(MAC_xface));
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if((config = fopen("config.cfg","r")) == NULL) // this can be configured
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{
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printf("[OPENAIR][SIM][CHBCH] The openair configuration file <config.cfg> could not be found!");
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exit(0);
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}
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if ((scenario= fopen("scenario.scn","r")) ==NULL)
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{
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printf("[OPENAIR][SIM][CHBCH] The openair scenario file <scenario.scn> could not be found!");
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exit(0);
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}
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printf("[OPENAIR][SIM][CHBCH] Opened configuration files\n");
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reconfigure_MACPHY(scenario);
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dump_config();
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mac_xface->is_cluster_head = 1;
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phy_init(nb_antennas_tx);
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printf("[OPENAIR][SIM][CHBCH] Initialized PHY variables\n");
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PHY_vars->rx_vars[0].rx_total_gain_dB=120;
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chbch_size = (NUMBER_OF_CARRIERS_PER_GROUP*(NUMBER_OF_CHBCH_SYMBOLS)*16)>>3;
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//printf("[OPENAIR][SIM][CHBCH] chbch_size = %d\n",chbch_size);
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chbch_pdu_tx[0] = malloc(chbch_size);
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chbch_pdu_tx[1] = malloc(chbch_size);
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for (i=0;i<chbch_size-4;i++) {
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chbch_pdu_tx[0][i] = i;
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chbch_pdu_tx[1][i] = chbch_size-i;
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}
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mac_xface->frame = 0;
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//clear the tx buffer
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for (j=0;j<nb_antennas_tx;j++)
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Zero_Buffer(PHY_vars->tx_vars[j].TX_DMA_BUFFER,FRAME_LENGTH_SAMPLES*2);
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chbch_tx_power = phy_generate_chbch(1,
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1,
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nb_antennas_tx,
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chbch_pdu_tx[0]);
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tx_energy=0;
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for (j=0;j<nb_antennas_tx;j++) {
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tx_energy += signal_energy(&PHY_vars->tx_vars[j].TX_DMA_BUFFER[SAMPLE_OFFSET_CHBCH_NO_PREFIX],
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(NUMBER_OF_CHBCH_SYMBOLS)*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES_NO_PREFIX);
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}
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#ifdef DEBUG_PHY
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for (ii=0; ii<nb_antennas_tx; ii++) {
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sprintf(fname,"txsig%d.m",ii);
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sprintf(vname,"txs%d",ii);
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write_output(fname,vname,
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(s16 *)&PHY_vars->tx_vars[ii].TX_DMA_BUFFER[0],
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TX_RX_SWITCH_SYMBOL*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES,
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1,
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1);
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}
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#endif //DEBUG_PHY
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printf("[OPENAIR][SIM][CHBCH] Starting RX\n");
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mac_xface->is_cluster_head = 0;
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phy_synch_time((short*) PHY_vars->rx_vars[0].RX_DMA_BUFFER,
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&sync_pos,
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TX_RX_SWITCH_SYMBOL*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES,
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768,
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CHSCH,
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1);
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msg("[OPENAIR][SIM][CHBCH] sync_pos = %d\n",sync_pos);
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return(tx_energy);
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}
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