itpp::Modulator_1d Class Reference
[Digital Modulation]

General modulator for one dimensional (1D) signal consellations. More...

#include <itpp/comm/modulator.h>

List of all members.

Public Member Functions
	Modulator_1d (const vec &symbols="0", const ivec &bitmap="0")
	Constructor.
virtual	~Modulator_1d ()
	Destructor.
void	set (const vec &symbols, const ivec &bitmap)
	Set the symbol constellation and the corresponding bitmap.
virtual double	bits_per_symbol () const
	Returns the number of bits per symbol (can be non integral).
vec	get_symbols () const
	Get the symbol constellation.
ivec	get_bitmap () const
	Get the bitmap.
virtual vec	modulate (const ivec &symbolnumbers) const
	Modulate function for symbols.
virtual ivec	demodulate (const vec &signal) const
	Demodulate function for symbols.
virtual vec	modulate_bits (const bvec &bits) const
	Modulate function for bits.
virtual bvec	demodulate_bits (const vec &signal) const
	Demodulate function for bits.
Protected Attributes
int	k
	Number of bits per modulation symbol.
int	M
	Number of modulation symbols.
ivec	bitmap
	Bit mapping table.
vec	symbols
	Vector of modulation symbols.

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Detailed Description

General modulator for one dimensional (1D) signal consellations.

Definition at line 85 of file modulator.h.

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Constructor & Destructor Documentation

itpp::Modulator_1d::Modulator_1d	(	const vec &	symbols = "0",
		const ivec &	bitmap = "0"
	)

Constructor.

Definition at line 47 of file modulator.cpp.

virtual itpp::Modulator_1d::~Modulator_1d

(

)

[inline, virtual]

Destructor.

Definition at line 90 of file modulator.h.

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Member Function Documentation

void itpp::Modulator_1d::set	(	const vec &	symbols,
		const ivec &	bitmap
	)

Set the symbol constellation and the corresponding bitmap.

Definition at line 52 of file modulator.cpp.

References bitmap, it_assert, k, itpp::log2(), M, itpp::round_i(), and symbols.

virtual double itpp::Modulator_1d::bits_per_symbol

(

)

const [inline, virtual]

Returns the number of bits per symbol (can be non integral).

Definition at line 96 of file modulator.h.

References k.

vec itpp::Modulator_1d::get_symbols

(

)

const [inline]

Get the symbol constellation.

Definition at line 98 of file modulator.h.

References symbols.

ivec itpp::Modulator_1d::get_bitmap

(

)

const [inline]

Get the bitmap.

Definition at line 100 of file modulator.h.

References bitmap.

vec itpp::Modulator_1d::modulate

(

const ivec &

symbolnumbers

)

const [virtual]

Modulate function for symbols.

Definition at line 61 of file modulator.cpp.

References symbols.

ivec itpp::Modulator_1d::demodulate

(

const vec &

signal

)

const [virtual]

Demodulate function for symbols.

Definition at line 84 of file modulator.cpp.

References M, and symbols.

vec itpp::Modulator_1d::modulate_bits

(

const bvec &

bits

)

const [virtual]

Modulate function for bits.

Definition at line 69 of file modulator.cpp.

References itpp::bin2dec(), bitmap, k, symbols, and itpp::zeros().

bvec itpp::Modulator_1d::demodulate_bits

(

const vec &

signal

)

const [virtual]

Demodulate function for bits.

Definition at line 105 of file modulator.cpp.

References bitmap, itpp::dec2bin(), k, M, and symbols.

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Member Data Documentation

int itpp::Modulator_1d::k [protected]

Number of bits per modulation symbol.

Definition at line 114 of file modulator.h.

Referenced by bits_per_symbol(), demodulate_bits(), modulate_bits(), and set().

int itpp::Modulator_1d::M [protected]

Number of modulation symbols.

Definition at line 116 of file modulator.h.

Referenced by demodulate(), demodulate_bits(), and set().

ivec itpp::Modulator_1d::bitmap [protected]

Bit mapping table.

Definition at line 118 of file modulator.h.

Referenced by demodulate_bits(), get_bitmap(), modulate_bits(), and set().

vec itpp::Modulator_1d::symbols [protected]

Vector of modulation symbols.

Definition at line 120 of file modulator.h.

Referenced by demodulate(), demodulate_bits(), get_symbols(), modulate(), modulate_bits(), and set().

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

• itpp/comm/modulator.h
• itpp/comm/modulator.cpp

Generated on Wed Apr 18 11:23:41 2007 for IT++ by Doxygen 1.5.2