IT++ Logo Newcom Logo

rec_syst_conv_code.cpp File Reference

Implementation of a Recursive Systematic Convolutional codec class. More...

#include <itpp/comm/rec_syst_conv_code.h>

Go to the source code of this file.

Namespaces

namespace  itpp

Defines

#define INF   (1e30)

Functions

double com_logmap (double x, double y)
 Branc metric calculation function for MAP decoding in the log-domain.
double com_logmax (double x, double y)
 Branc metric calculation function for MAP decoding in the log-domain using a MAX approximation (default).

Variables

double(* com_log )(double, double) = NULL
 Pointer to logarithmic branch metric function.


Detailed Description

Implementation of a Recursive Systematic Convolutional codec class.

Author:
Pal Frenger. QLLR support by Erik G. Larsson.
Date
2007-04-18 08:58:29 +0200 (Wed, 18 Apr 2007)
Revision
1013

-------------------------------------------------------------------------

IT++ - C++ library of mathematical, signal processing, speech processing, and communications classes and functions

Copyright (C) 1995-2007 (see AUTHORS file for a list of contributors)

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

-------------------------------------------------------------------------

Definition in file rec_syst_conv_code.cpp.


Function Documentation

double com_logmap double  x,
double  y
 

Branc metric calculation function for MAP decoding in the log-domain.

Definition at line 43 of file rec_syst_conv_code.cpp.

double com_logmax double  x,
double  y
 

Branc metric calculation function for MAP decoding in the log-domain using a MAX approximation (default).

Definition at line 53 of file rec_syst_conv_code.cpp.


Variable Documentation

double(* itpp::com_log)(double, double) = NULL
 

Pointer to logarithmic branch metric function.

Definition at line 40 of file rec_syst_conv_code.cpp.

SourceForge Logo

Generated on Fri Jan 11 08:51:40 2008 for IT++ by Doxygen 1.3.9.1