#include <comms-lib.h>

Public Types
enum	SequenceType { kStsSeq, kLtsSeq, kLtsFSeq, kLteZadoffChu, kGoldIfft, kHadamard }

enum	ModulationOrder { kBpsk = 1, kQpsk = 2, kQaM16 = 4, kQaM64 = 6, kQaM256 = 8 }

enum	BeamformingAlgorithm { kZF = 0, kMMSE = 1, kMRC = 2 }

Public Member Functions
	CommsLib (std::string)

	~CommsLib ()

Static Public Member Functions
static std::vector< std::vector< double > >	GetSequence (size_t seq_len, int type)

static std::vector< std::complex< float > >	Modulate (const std::vector< int8_t > &in, int type)

static std::vector< size_t >	GetDataSc (size_t fft_size, size_t data_sc_num, size_t pilot_sc_offset, size_t pilot_sc_spacing)

static std::vector< size_t >	GetNullSc (size_t fft_size, size_t data_sc_num)

static std::vector< std::complex< float > >	GetPilotScValue (size_t fft_size, size_t data_sc_num, size_t pilot_sc_offset, size_t pilot_sc_spacing)

static std::vector< size_t >	GetPilotScIdx (size_t fft_size, size_t data_sc_num, size_t pilot_sc_offset, size_t pilot_sc_spacing)

static MKL_LONG	FFT (std::vector< std::complex< float >> &in_out, int fft_size)

static MKL_LONG	IFFT (std::vector< std::complex< float >> &in_out, int fft_size, bool normalize=true)

static MKL_LONG	FFT (complex_float *in_out, int fft_size)

static MKL_LONG	IFFT (complex_float *in_out, int fft_size, bool normalize=true)

static std::vector< std::complex< float > >	FFTShift (const std::vector< std::complex< float >> &in)

static std::vector< complex_float >	FFTShift (const std::vector< complex_float > &in)

static void	FFTShift (complex_float in, complex_float tmp, int fft_size)

static float	ComputeOfdmSnr (const std::vector< std::complex< float >> &data_t, size_t data_start_index, size_t data_stop_index)

static size_t	FindPilotSeq (const std::vector< std::complex< float >> &iq, const std::vector< std::complex< float >> &pilot, size_t seq_len)

static int	FindLts (const std::vector< std::complex< double >> &iq, int seq_len)

template<typename T >
static std::vector< T >	Convolve (std::vector< std::complex< T >> const &f, std::vector< std::complex< T >> const &g)

template<typename T >
static std::vector< std::complex< T > >	Csign (std::vector< std::complex< T >> iq)

static void	Meshgrid (const std::vector< int > &x_in, const std::vector< int > &y_in, std::vector< std::vector< int >> &x, std::vector< std::vector< int >> &y)

static int	Hadamard2 (int i, int j)

static std::vector< float >	MagnitudeFft (std::vector< std::complex< float >> const &samps, std::vector< float > const &win, size_t fft_size)

static std::vector< float >	HannWindowFunction (size_t fft_size)

static double	WindowFunctionPower (std::vector< float > const &win)

static float	FindTone (std::vector< float > const &magnitude, double win_gain, double fft_bin, size_t fft_size, const size_t delta=10)

static float	MeasureTone (std::vector< std::complex< float >> const &samps, std::vector< float > const &win, double win_gain, double fft_bin, size_t fft_size, const size_t delta=10)

static std::vector< std::complex< float > >	ComposePartialPilotSym (const std::vector< std::complex< float >> &pilot, size_t offset, size_t pilot_sc_num, size_t fft_size, size_t data_size, size_t data_start, size_t cp_len, bool interleaved_pilot, bool time_domain=true)

static std::vector< std::complex< float > >	SeqCyclicShift (const std::vector< std::complex< float >> &in, float alpha)

static float	FindMaxAbs (const complex_float *in, size_t len)

static float	FindMaxAbs (const Table< complex_float > &in, size_t dim1, size_t dim2)

static float	FindMeanAbs (const complex_float *in, size_t len)

static float	FindMeanAbs (const Table< complex_float > &in, size_t dim1, size_t dim2)

static void	Ifft2tx (const complex_float in, std::complex< short > out, size_t N, size_t prefix, size_t cp, float scale)

static float	AbsCf (complex_float d)

static int	FindBeaconAvx (const std::vector< std::complex< float >> &iq, const std::vector< std::complex< float >> &seq, float corr_scale=1.f)
	Correlation and Peak detection of a beacon with Gold code (2 repetitions) More...

static ssize_t	FindBeaconAvx (const std::complex< int16_t > *iq, const std::vector< std::complex< float >> &seq, size_t sample_window, float corr_scale=1.f)
	Find Beacon with raw samples from the radio. More...

static std::vector< float >	CorrelateAvxS (std::vector< float > const &f, std::vector< float > const &g)

static std::vector< float >	Abs2Avx (std::vector< std::complex< float >> const &f)

static std::vector< int32_t >	Abs2Avx (std::vector< std::complex< int16_t >> const &f)

static std::vector< std::complex< float > >	AutoCorrMultAvx (std::vector< std::complex< float >> const &f, const int dly, const bool conj=true)

static std::vector< std::complex< int16_t > >	AutoCorrMultAvx (std::vector< std::complex< int16_t >> const &f, const int dly, const bool conj=true)

static std::vector< std::complex< float > >	CorrelateAvx (std::vector< std::complex< float >> const &f, std::vector< std::complex< float >> const &g)

static std::vector< std::complex< float > >	ComplexMultAvx (std::vector< std::complex< float >> const &f, std::vector< std::complex< float >> const &g, const bool conj)

static std::vector< std::complex< int16_t > >	ComplexMultAvx (std::vector< std::complex< int16_t >> const &f, std::vector< std::complex< int16_t >> const &g, const bool conj)

static std::vector< std::complex< int16_t > >	CorrelateAvx (std::vector< std::complex< int16_t >> const &f, std::vector< std::complex< int16_t >> const &g)

static __m256	M256ComplexCf32Mult (__m256 data1, __m256 data2, bool conj)

Member Enumeration Documentation

◆ BeamformingAlgorithm

enum CommsLib::BeamformingAlgorithm

Enumerator
kZF
kMMSE
kMRC

◆ ModulationOrder

enum CommsLib::ModulationOrder

Enumerator
kBpsk
kQpsk
kQaM16
kQaM64
kQaM256

◆ SequenceType

enum CommsLib::SequenceType

Enumerator
kStsSeq
kLtsSeq
kLtsFSeq
kLteZadoffChu
kGoldIfft
kHadamard

Constructor & Destructor Documentation

◆ CommsLib()

CommsLib::CommsLib ( std::string )

explicit

◆ ~CommsLib()

CommsLib::~CommsLib ( )

Member Function Documentation

◆ Abs2Avx() [1/2]

std::vector< float > CommsLib::Abs2Avx ( std::vector< std::complex< float >> const & f )

static

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◆ Abs2Avx() [2/2]

std::vector< int32_t > CommsLib::Abs2Avx ( std::vector< std::complex< int16_t >> const & f )

static

◆ AbsCf()

static float CommsLib::AbsCf ( complex_float d )

inlinestatic

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◆ AutoCorrMultAvx() [1/2]

std::vector< std::complex< float > > CommsLib::AutoCorrMultAvx	(	std::vector< std::complex< float >> const &	f,
		const int	dly,
		const bool	conj = `true`
	)

static

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◆ AutoCorrMultAvx() [2/2]

std::vector< std::complex< int16_t > > CommsLib::AutoCorrMultAvx	(	std::vector< std::complex< int16_t >> const &	f,
		const int	dly,
		const bool	conj = `true`
	)

static

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◆ ComplexMultAvx() [1/2]

std::vector< std::complex< float > > CommsLib::ComplexMultAvx	(	std::vector< std::complex< float >> const &	f,
		std::vector< std::complex< float >> const &	g,
		const bool	conj
	)

static

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◆ ComplexMultAvx() [2/2]

std::vector< std::complex< int16_t > > CommsLib::ComplexMultAvx	(	std::vector< std::complex< int16_t >> const &	f,
		std::vector< std::complex< int16_t >> const &	g,
		const bool	conj
	)

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◆ ComposePartialPilotSym()

std::vector< std::complex< float > > CommsLib::ComposePartialPilotSym	(	const std::vector< std::complex< float >> &	pilot,
		size_t	offset,
		size_t	pilot_sc_num,
		size_t	fft_size,
		size_t	data_size,
		size_t	data_start,
		size_t	cp_len,
		bool	interleaved_pilot,
		bool	time_domain = `true`
	)

static

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◆ ComputeOfdmSnr()

float CommsLib::ComputeOfdmSnr	(	const std::vector< std::complex< float >> &	data_t,
		size_t	data_start_index,
		size_t	data_stop_index
	)

static

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◆ Convolve()

template<typename T >

std::vector< T > CommsLib::Convolve	(	std::vector< std::complex< T >> const &	f,
		std::vector< std::complex< T >> const &	g
	)

static

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◆ CorrelateAvx() [1/2]

std::vector< std::complex< float > > CommsLib::CorrelateAvx	(	std::vector< std::complex< float >> const &	f,
		std::vector< std::complex< float >> const &	g
	)

static

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◆ CorrelateAvx() [2/2]

std::vector< std::complex< int16_t > > CommsLib::CorrelateAvx	(	std::vector< std::complex< int16_t >> const &	f,
		std::vector< std::complex< int16_t >> const &	g
	)

static

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◆ CorrelateAvxS()

std::vector< float > CommsLib::CorrelateAvxS	(	std::vector< float > const &	f,
		std::vector< float > const &	g
	)

static

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◆ Csign()

template<typename T >

std::vector< std::complex< T > > CommsLib::Csign ( std::vector< std::complex< T >> iq )

static

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◆ FFT() [1/2]

MKL_LONG CommsLib::FFT	(	complex_float *	in_out,
		int	fft_size
	)

static

◆ FFT() [2/2]

MKL_LONG CommsLib::FFT	(	std::vector< std::complex< float >> &	in_out,
		int	fft_size
	)

static

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◆ FFTShift() [1/3]

void CommsLib::FFTShift	(	complex_float *	in,
		complex_float *	tmp,
		int	fft_size
	)

static

◆ FFTShift() [2/3]

std::vector< complex_float > CommsLib::FFTShift ( const std::vector< complex_float > & in )

static

◆ FFTShift() [3/3]

std::vector< std::complex< float > > CommsLib::FFTShift ( const std::vector< std::complex< float >> & in )

static

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◆ FindBeaconAvx() [1/2]

ssize_t CommsLib::FindBeaconAvx	(	const std::complex< int16_t > *	iq,
		const std::vector< std::complex< float >> &	seq,
		size_t	sample_window,
		float	corr_scale = `1.f`
	)

static

Find Beacon with raw samples from the radio.

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◆ FindBeaconAvx() [2/2]

int CommsLib::FindBeaconAvx	(	const std::vector< std::complex< float >> &	iq,
		const std::vector< std::complex< float >> &	seq,
		float	corr_scale = `1.f`
	)

static

Correlation and Peak detection of a beacon with Gold code (2 repetitions)

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◆ FindLts()

int CommsLib::FindLts	(	const std::vector< std::complex< double >> &	iq,
		int	seq_len
	)

static

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◆ FindMaxAbs() [1/2]

float CommsLib::FindMaxAbs	(	const complex_float *	in,
		size_t	len
	)

static

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◆ FindMaxAbs() [2/2]

float CommsLib::FindMaxAbs	(	const Table< complex_float > &	in,
		size_t	dim1,
		size_t	dim2
	)

static

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◆ FindMeanAbs() [1/2]

float CommsLib::FindMeanAbs	(	const complex_float *	in,
		size_t	len
	)

static

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◆ FindMeanAbs() [2/2]

float CommsLib::FindMeanAbs	(	const Table< complex_float > &	in,
		size_t	dim1,
		size_t	dim2
	)

static

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◆ FindPilotSeq()

size_t CommsLib::FindPilotSeq	(	const std::vector< std::complex< float >> &	iq,
		const std::vector< std::complex< float >> &	pilot,
		size_t	seq_len
	)

static

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◆ FindTone()

float CommsLib::FindTone	(	std::vector< float > const &	magnitude,
		double	win_gain,
		double	fft_bin,
		size_t	fft_size,
		const size_t	delta = `10`
	)

static

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◆ GetDataSc()

std::vector< size_t > CommsLib::GetDataSc	(	size_t	fft_size,
		size_t	data_sc_num,
		size_t	pilot_sc_offset,
		size_t	pilot_sc_spacing
	)

static

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◆ GetNullSc()

std::vector< size_t > CommsLib::GetNullSc	(	size_t	fft_size,
		size_t	data_sc_num
	)

static

◆ GetPilotScIdx()

std::vector< size_t > CommsLib::GetPilotScIdx	(	size_t	fft_size,
		size_t	data_sc_num,
		size_t	pilot_sc_offset,
		size_t	pilot_sc_spacing
	)

static

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◆ GetPilotScValue()

std::vector< std::complex< float > > CommsLib::GetPilotScValue	(	size_t	fft_size,
		size_t	data_sc_num,
		size_t	pilot_sc_offset,
		size_t	pilot_sc_spacing
	)

static

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◆ GetSequence()

std::vector< std::vector< double > > CommsLib::GetSequence	(	size_t	seq_len,
		int	type
	)

static

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◆ Hadamard2()

static int CommsLib::Hadamard2	(	int	i,
		int	j
	)

inlinestatic

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◆ HannWindowFunction()

std::vector< float > CommsLib::HannWindowFunction ( size_t fft_size )

static

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◆ IFFT() [1/2]

MKL_LONG CommsLib::IFFT	(	complex_float *	in_out,
		int	fft_size,
		bool	normalize = `true`
	)

static

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◆ IFFT() [2/2]

MKL_LONG CommsLib::IFFT	(	std::vector< std::complex< float >> &	in_out,
		int	fft_size,
		bool	normalize = `true`
	)

static

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◆ Ifft2tx()

void CommsLib::Ifft2tx	(	const complex_float *	in,
		std::complex< short > *	out,
		size_t	N,
		size_t	prefix,
		size_t	cp,
		float	scale
	)

static

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◆ M256ComplexCf32Mult()

__m256 CommsLib::M256ComplexCf32Mult	(	__m256	data1,
		__m256	data2,
		bool	conj
	)

static

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◆ MagnitudeFft()

std::vector< float > CommsLib::MagnitudeFft	(	std::vector< std::complex< float >> const &	samps,
		std::vector< float > const &	win,
		size_t	fft_size
	)

static

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◆ MeasureTone()

float CommsLib::MeasureTone	(	std::vector< std::complex< float >> const &	samps,
		std::vector< float > const &	win,
		double	win_gain,
		double	fft_bin,
		size_t	fft_size,
		const size_t	delta = `10`
	)

static

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◆ Meshgrid()

void CommsLib::Meshgrid	(	const std::vector< int > &	x_in,
		const std::vector< int > &	y_in,
		std::vector< std::vector< int >> &	x,
		std::vector< std::vector< int >> &	y
	)

static

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◆ Modulate()

std::vector< std::complex< float > > CommsLib::Modulate	(	const std::vector< int8_t > &	in,
		int	type
	)

static

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◆ SeqCyclicShift()

std::vector< std::complex< float > > CommsLib::SeqCyclicShift	(	const std::vector< std::complex< float >> &	in,
		float	alpha
	)

static

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◆ WindowFunctionPower()

double CommsLib::WindowFunctionPower ( std::vector< float > const & win )

static

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The documentation for this class was generated from the following files:

src/common/comms-lib.h
src/common/comms-lib-avx.cc
src/common/comms-lib.cc

Public Types

Public Member Functions

Static Public Member Functions

Member Enumeration Documentation

◆ BeamformingAlgorithm

◆ ModulationOrder

◆ SequenceType

Constructor & Destructor Documentation

◆ CommsLib()

◆ ~CommsLib()

Member Function Documentation

◆ Abs2Avx() [1/2]

◆ Abs2Avx() [2/2]

◆ AbsCf()

◆ AutoCorrMultAvx() [1/2]

◆ AutoCorrMultAvx() [2/2]

◆ ComplexMultAvx() [1/2]

◆ ComplexMultAvx() [2/2]

◆ ComposePartialPilotSym()

◆ ComputeOfdmSnr()

◆ Convolve()

◆ CorrelateAvx() [1/2]

◆ CorrelateAvx() [2/2]

◆ CorrelateAvxS()

◆ Csign()

◆ FFT() [1/2]

◆ FFT() [2/2]

◆ FFTShift() [1/3]

◆ FFTShift() [2/3]

◆ FFTShift() [3/3]

◆ FindBeaconAvx() [1/2]

◆ FindBeaconAvx() [2/2]

◆ FindLts()

◆ FindMaxAbs() [1/2]

◆ FindMaxAbs() [2/2]

◆ FindMeanAbs() [1/2]

◆ FindMeanAbs() [2/2]

◆ FindPilotSeq()

◆ FindTone()

◆ GetDataSc()

◆ GetNullSc()

◆ GetPilotScIdx()

◆ GetPilotScValue()

◆ GetSequence()

◆ Hadamard2()

◆ HannWindowFunction()

◆ IFFT() [1/2]

◆ IFFT() [2/2]

◆ Ifft2tx()

◆ M256ComplexCf32Mult()

◆ MagnitudeFft()

◆ MeasureTone()

◆ Meshgrid()

◆ Modulate()

◆ SeqCyclicShift()

◆ WindowFunctionPower()