pi4cxpsk.h File Reference

Osmocom GMR-1 pi2-CBPSK, pi4-CBPSK and pi4-CQPSK modulation support header. More...

#include <stdint.h>
#include <osmocom/core/bits.h>
#include <osmocom/dsp/cxvec.h>

Go to the source code of this file.

Data Structures
struct	gmr1_pi4cxpsk_symbol
	pi4-CxPSK symbol description More...
struct	gmr1_pi4cxpsk_modulation
	pi4-CxPSK modulation description More...
struct	gmr1_pi4cxpsk_sync
	pi4-CxPSK Synchronization sequence segment description More...
struct	gmr1_pi4cxpsk_data
	pi4-CxPSK Data segment description More...
struct	gmr1_pi4cxpsk_burst
	pi4-CxPSK Burst format description More...

Macros
#define	GMR1_MAX_SYM_EBITS   2
	Max e bits in a symbol.
#define	GMR1_MAX_SYNC   4
	Max diff. sync seqs
#define	GMR1_MAX_SYNC_SYMS   32
	Max sym in a sync seq

Functions
int	gmr1_pi4cxpsk_demod (struct gmr1_pi4cxpsk_burst *burst_type, struct osmo_cxvec *burst_in, int sps, float freq_shift, sbit_t *ebits, int *sync_id_p, float *toa_p, float *freq_err_p)
	All-in-one pi4-CxPSK demodulation method. More...
int	gmr1_pi4cxpsk_detect (struct gmr1_pi4cxpsk_burst **burst_types, float e_toa, struct osmo_cxvec *burst_in, int sps, float freq_shift, int *bt_id_p, int *sync_id_p, float *toa_p)
	Try to identify burst type by matching training sequences. More...
int	gmr1_pi4cxpsk_mod_order (struct osmo_cxvec *burst_in, int sps, float freq_shift)
	Estimates modulation order by comparing power of x^2 vs x^4. More...
int	gmr1_pi4cxpsk_mod (struct gmr1_pi4cxpsk_burst *burst_type, ubit_t *ebits, int sync_id, struct osmo_cxvec *burst_out)
	Modulates (currently at 1 sps) More...

Variables
struct gmr1_pi4cxpsk_modulation	gmr1_pi2cbpsk
	pi2-CBPSK modulation description
struct gmr1_pi4cxpsk_modulation	gmr1_pi4cbpsk
	pi4-CBPSK modulation description
struct gmr1_pi4cxpsk_modulation	gmr1_pi4cqpsk
	pi4-CQPSK modulation description

Detailed Description

Osmocom GMR-1 pi2-CBPSK, pi4-CBPSK and pi4-CQPSK modulation support header.