free5GRAN::phy::physical_channel Namespace Reference

Functions
void	decode_pdcch (vector< complex< float >> pdcch_symbols, int *dci_bits, int agg_level, int *reg_index, int *reg_index_sorted, int pci)
void	decode_pdsch (vector< complex< float >> pdsch_samples, double *unscrambled_soft_bits, int pci)
void	decode_pbch (vector< complex< float >> pbch_symbols, int i_ssb, int pci, int *bch_bits)
void	compute_pbch_indexes (vector< vector< vector< int >>> &ref, int pci)
void	compute_pdcch_indexes (vector< vector< vector< int >>> &ref, free5GRAN::pdcch_t0ss_monitoring_occasions pdcch_ss_mon_occ, int agg_level, int *reg_bundles, int height_reg_rb)
void	compute_pdsch_indexes (vector< vector< vector< int >>> &ref, bool dmrs_symbol_array[], int L, int lrb)

Function Documentation

compute_pbch_indexes()

void free5GRAN::phy::physical_channel::compute_pbch_indexes	(	vector< vector< vector< int >>> &	ref,
		int	pci
	)

Compute PBCH and DMRS symbols indexes

Parameters

[out]	ref	Reference grid for RE demapper
[in]	pci	Physical Cell ID

Definition at line 133 of file physical_channel.cpp.

compute_pdcch_indexes()

void free5GRAN::phy::physical_channel::compute_pdcch_indexes	(	vector< vector< vector< int >>> &	ref,
		free5GRAN::pdcch_t0ss_monitoring_occasions	pdcch_ss_mon_occ,
		int	agg_level,
		int *	reg_bundles,
		int	height_reg_rb
	)

Compute PDCCH and DMRS samples Position

Parameters

[out]	ref	Reference grid for RE demapper.
[in]	pdcch_ss_mon_occ	Search Space configuration
[in]	agg_level	PDCCH candidate aggregation level
[in]	reg_bundles	REG positions after CCE-to-REG interleaving
[in]	height_reg_rb	Frequency-domain REG height, in RB

Definition at line 172 of file physical_channel.cpp.

compute_pdsch_indexes()

void free5GRAN::phy::physical_channel::compute_pdsch_indexes	(	vector< vector< vector< int >>> &	ref,
		bool	dmrs_symbol_array[],
		int	L,
		int	lrb
	)

Compute PDSCH and DMRS samples Position

Parameters

[out]	ref	Reference grid for RE demapper.
[in]	dmrs_symbol_array	True if symbol contains DMRS, false else
[in]	L	Number of symbols for PDSCH
[in]	lrb	Number of RB for PDSCH

Definition at line 201 of file physical_channel.cpp.

decode_pbch()

void free5GRAN::phy::physical_channel::decode_pbch	(	vector< complex< float >>	pbch_symbols,
		int	i_ssb,
		int	pci,
		int *	bch_bits
	)

PBCH decoding

3GPP standard: TS 38.211 V15.2.0 Section 7.3.3

Details:

• Demodulation
• Scrambling

Parameters

[in]	pbch_symbols	Input IQ data to be decoded
[in]	i_ssb	SS Block index
[in]	pci	Cell PCI
[out]	bch_bits	PBCH decoded bits

Definition at line 101 of file physical_channel.cpp.

decode_pdcch()

void free5GRAN::phy::physical_channel::decode_pdcch	(	vector< complex< float >>	pdcch_symbols,
		int *	dci_bits,
		int	agg_level,
		int *	reg_index,
		int *	reg_index_sorted,
		int	pci
	)

PDCCH decoding

3GPP standard: TS 38.211 V15.2.0 Section 7.3.2

Details:

• CCE to REG de-interleaving
• Demodulation
• Scrambling

Parameters

[in]	pdcch_symbols	Input IQ data to be decoded
[out]	dci_bits	PDCCH decoded bits
[in]	agg_level	Aggregation level
[in]	reg_index	Interleaved REG indexes
[in]	reg_index_sorted	Sorted interleaved REG indexes
[in]	pci	Cell PCI

Definition at line 28 of file physical_channel.cpp.

decode_pdsch()

void free5GRAN::phy::physical_channel::decode_pdsch	(	vector< complex< float >>	pdsch_samples,
		double *	unscrambled_soft_bits,
		int	pci
	)

PDSCH decoding

3GPP standard: TS 38.211 V15.2.0 Section 7.3.1

Partial implementation: No layer mapping, antenna port mapping and VRB to PRB de-interleaving

Details:

• Demodulation
• Scrambling

Parameters

[in]	pdsch_samples	Input IQ data to be decoded
[out]	unscrambled_soft_bits	PDSCH decoded soft bits
[in]	pci	Cell PCI

Definition at line 63 of file physical_channel.cpp.