Commit b96a6e4e authored by knopp's avatar knopp

Merge branch 'enhancement-10-harmony' of...

Merge branch 'enhancement-10-harmony' of https://gitlab.eurecom.fr/oai/openairinterface5g into enhancement-10-harmony
parents 3fb221d3 05ce533e
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file PHY/LTE_TRANSPORT/if4_tools.c
* \brief
* \author Mauricio Gunther, S. Sandeep Kumar, Raymond Knopp
* \date 2016
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include "PHY/LTE_TRANSPORT/if4_tools.h"
// Define how data blocks are stored and transferred
void send_IF4(PHY_VARS_eNB *eNB, int subframe){
eNB_proc_t *proc = &eNB->proc;
//int frame=proc->frame_tx;
//int subframe=proc->subframe_tx;
LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
uint32_t i,j;
float *data_block = malloc(length*sizeof(long));
// Generate IF4 packet (for now DL) with frame status information
dl_packet = gen_IF4_dl_packet( /* ADD INFO and data_block pointer */ );
for(i=0; i<fp->symbols_per_tti; i++) {
// Do compression of the two parts and generate data blocks
symbol = eNB->common_vars.txdataF[0][0 /*antenna number*/][subframe*fp->ofdm_symbol_size*(fp->symbols_per_tti)]
data_block[j] = Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j -1])<<16 + Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j]);
data_block[j+NrOfNonZeroValues] = Atan(subframe[i][j+1])<<16 + Atan(subframe[i][j+2]);
// Set data blocks and update subframe no./other information to generated packet
// Write the packet(s) to the fronthaul
}
}
void recv_IF4( /* ADD INFO and data_block pointer */ ) {
// Read packet(s) from the fronthaul
// Apply reverse processing - decompression
// Generate and return the OFDM symbols (txdataF)
}
IF4_dl_packet gen_IF4_dl_packet( /* ADD INFO and data_block pointer */ ) {
IF4_dl_packet dl_packet;
// Set destination and source address
// Set Type and Sub-Type
dl_packet.type = ; //08_0A ?
dl_packet.sub_type = 0x0020;
// Leave reserved as it is
//dl_packet.rsvd = ;
// Set frame status
dl_packet.frame_status.ant_num = ;
dl_packet.frame_status.ant_start = ;
dl_packet.frame_status.rf_num = ;
dl_packet.frame_status.sf_num = ;
dl_packet.frame_status.sym_num = ;
//dl_packet.frame_status.rsvd = ;
// Set data blocks if sent
if (data_block != NULL) {
} else {
}
// Set frame check sequence
dl_packet.fcs = ;
return dl_packet;
}
IF4_ul_packet gen_IF4_ul_packet( /* ADD INFO and data_block pointer */ ) {
IF4_ul_packet ul_packet;
// Set destination and source address
// Set Type and Sub-Type
ul_packet.type = ; //08_0A ?
ul_packet.sub_type = 0x0019;
// Leave reserved as it is
//ul_packet.rsvd = ;
// Set frame status
ul_packet.frame_status.ant_num = ;
ul_packet.frame_status.ant_start = ;
ul_packet.frame_status.rf_num = ;
ul_packet.frame_status.sf_num = ;
ul_packet.frame_status.sym_num = ;
//ul_packet.frame_status.rsvd = ;
// Set antenna specific gain
ul_packet.gain0.exponent = ;
//ul_packet.gain0.rsvd = ;
// Set data blocks if sent
if (data_block != NULL) {
} else {
}
// Set frame check sequence
ul_packet.fcs = ;
return ul_packet;
}
IF4_prach_packet gen_IF4_prach_packet( /* ADD INFO and data_block pointer */ ) {
IF4_prach_packet prach_packet;
// Set destination and source address
// Set Type and Sub-Type
prach_packet.type = ; //08_0A ?
prach_packet.sub_type = 0x0021;
// Leave reserved as it is
//prach_packet.rsvd = ;
// Set LTE Prach configuration
//prach_packet.prach_conf.rsvd = ;
prach_packet.prach_conf.ant = ;
prach_packet.prach_conf.rf_num = ;
prach_packet.prach_conf.sf_num = ;
prach_packet.prach_conf.exponent = ;
// Set data blocks if sent
if (data_block != NULL) {
} else {
}
// Set frame check sequence
prach_packet.fcs = ;
return prach_packet;
}
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file PHY/LTE_TRANSPORT/if4_tools.h
* \brief
* \author S. Sandeep Kumar, Raymond Knopp
* \date 2016
* \version 0.1
* \company Eurecom
* \email: ee13b1025@iith.ac.in, knopp@eurecom.fr
* \note
* \warning
*/
#include <stdint.h>
/// IF4 Frame Status (32 bits)
struct IF4_frame_status {
/// Antenna Numbers
uint32_t ant_num:3;
/// Antenna Start
uint32_t ant_start:3;
/// Radio Frame Number
uint32_t rf_num:16;
/// Sub-frame Number
uint32_t sf_num:4;
/// Symbol Number
uint32_t sym_num:4;
/// Reserved
uint32_t rsvd:2;
};
/// IF4 Antenna Gain (16 bits)
struct IF4_gain {
/// Reserved
uint32_t rsvd:10;
/// FFT Exponent Output
uint32_t exponent:6;
};
/// IF4 LTE PRACH Configuration (32 bits)
struct IF4_lte_prach_conf {
/// Reserved
uint32_t rsvd:3;
/// Antenna Indication
uint32_t ant:3;
/// Radio Frame Number
uint32_t rf_num:16;
/// Sub-frame Number
uint32_t sf_num:4;
/// FFT Exponent Output
uint32_t exponent:6;
};
struct IF4_dl_packet {
/// Destination Address
/// Source Address
/// Type
uint16_t type;
/// Sub-Type
uint16_t sub_type;
/// Reserved
uint32_t rsvd;
/// Frame Status
IF4_frame_status frame_status;
/// Data Blocks
/// Frame Check Sequence
uint32_t fcs;
};
struct IF4_ul_packet {
/// Destination Address
/// Source Address
/// Type
uint16_t type;
/// Sub-Type
uint16_t sub_type;
/// Reserved
uint32_t rsvd;
/// Frame Status
IF4_frame_status frame_status;
/// Gain 0
IF4_gain gain0;
/// Gain 1
IF4_gain gain1;
/// Gain 2
IF4_gain gain2;
/// Gain 3
IF4_gain gain3;
/// Gain 4
IF4_gain gain4;
/// Gain 5
IF4_gain gain5;
/// Gain 6
IF4_gain gain6;
/// Gain 7
IF4_gain gain7;
/// Data Blocks
/// Frame Check Sequence
uint32_t fcs;
};
struct IF4_prach_packet {
/// Destination Address
/// Source Address
/// Type
uint16_t type;
/// Sub-Type
uint16_t sub_type;
/// Reserved
uint32_t rsvd;
/// LTE Prach Configuration
IF4_lte_prach_conf prach_conf;
/// Prach Data Block (one antenna)
/// Frame Check Sequence
uint32_t fcs;
};
// Needs to be checked
IF4_dl_packet gen_IF4_dl_packet();
IF4_ul_packet gen_IF4_ul_packet();
IF4_prach_packet gen_IF4_prach_packet();
void send_IF4(PHY_VARS_eNB *eNB, int subframe);
void recv_IF4(PHY_VARS_eNB *eNB, int subframe);
......@@ -2562,6 +2562,9 @@ void phy_procedures_eNB_common_RX(PHY_VARS_eNB *eNB,const uint8_t abstraction_fl
//recv_IF4(eNB,subframe<<1);
//recv_IF4(eNB,1+(subframe<<1));
// Tobi aka mr monaco: ETH
}
else { // should not get here
AssertFatal(1==0, "Unknown eNB->node_function %d",eNB->node_function);
......
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