SIM::cofdm_demap Class Reference

de-mapper of COFDM carriers into QAM and BPSK symbol codes
Core immediate functions: SIM::cofdm_demap.set_carriers(), SIM::cofdm_demap.get_data(), SIM::cofdm_demap.get_pilots().
Core clocked functions: SIM::cofdm_demap.process().
More...

Inheritance diagram for SIM::cofdm_demap:

Public Member Functions
	cofdm_demap ()
	~cofdm_demap ()
void	set_NFFT (int n)
void	set_qam_size (int m)
void	set_PA (double pa)
void	set_data_carriers (ivec dc_indx)
void	set_pilots_carriers (ivec pc_indx)
void	set_zero_carriers (ivec zc_indx)
void	set_carriers (cvec c)
ivec	get_data ()
bvec	get_pilots ()
imat	process (const bvec &ce, const cmat &x)

Public Attributes
ivec	y0
	y0[i] - QAM_CODES, BOOL_PILOTS for data carriers and pilots More...

Detailed Description

de-mapper of COFDM carriers into QAM and BPSK symbol codes
Core immediate functions: SIM::cofdm_demap.set_carriers(), SIM::cofdm_demap.get_data(), SIM::cofdm_demap.get_pilots().
Core clocked functions: SIM::cofdm_demap.process().

de-maps QAM codes for data carriers and booleans for BPSK pilot carriers

Constructor & Destructor Documentation

SIM::cofdm_demap::cofdm_demap ( )

inline

SIM::cofdm_demap::~cofdm_demap ( )

inline

Member Function Documentation

ivec SIM::cofdm_demap::get_data

(

)

get QAM codes y[i] = QAMDEM[symbol[data_carrier(i)] for symbol set by set_symbol()

Returns

[ivec] data carrier symbols

bvec SIM::cofdm_demap::get_pilots

(

)

get bool pilot y[i] = (Real(symbol[pilot_carrier(i)]>=0)?1:0) for symbol set by set_symbol()

Returns

[ivec] data carrier symbols

imat SIM::cofdm_demap::process	(	const bvec &	ce,
		const cmat &	x
	)

for active clock ticks ce[i] and for QAM,BPSK carriers x[i,:] return [PILOT|DATA] codes [ivec].

Parameters

ce	- bvec[:] - clock_enable vector,
x	- imat[:,PILOT|DATA] - symbols,

Returns

y - imat[:,NFFT] - [PILOT|DATA] codes.

void SIM::cofdm_demap::set_carriers

(

cvec

c

)

set carriers as QAM [I+jQ] for data carriers , BPSK [+/-PA+j0] pilots , zero [0+j0] set by set_data() and set_pilots()

Parameters

[in]

c

[cvec] COFDM symbol

void SIM::cofdm_demap::set_data_carriers

(

ivec

dc_indx

)

set data carrier indexes

Parameters

[in]

dc_indx

- [ivec] data carrier indexes, 0 =< index < NFFT

void SIM::cofdm_demap::set_NFFT

(

int

n

)

set FFT size (2^k)

Parameters

[in]

n

- FFT size

void SIM::cofdm_demap::set_PA

(

double

pa

)

set pilot amplitude

Parameters

[in]

pa

- pilot amplitude (pilot ? pa+j0:-pa+j0)-> y0[pilot_carrier(i)]

void SIM::cofdm_demap::set_pilots_carriers

(

ivec

pc_indx

)

set pilot carrier indexes

Parameters

[in]

pc_indx

- [ivec] pilot indexes, 0 =< index < NFFT

void SIM::cofdm_demap::set_qam_size

(

int

m

)

set QAM size (4^k)

Parameters

[in]

m

- QAM size

void SIM::cofdm_demap::set_zero_carriers

(

ivec

zc_indx

)

set zero carrier indexes

Parameters

[in]

zc_indx

- [ivec] zero carrier indexes, 0 =< index < NFFT

Member Data Documentation

ivec SIM::cofdm_demap::y0

y0[i] - QAM_CODES, BOOL_PILOTS for data carriers and pilots

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

• C:/jobs/vcc/itpp_sci/include/sim/sim_cofdm_demap.hpp
• C:/jobs/vcc/itpp_sci/sim_lib/code/sim_cofdm_demap.cpp