/*******************************************************************************
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 .
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
/// 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);