From 8d2bc49fb9e0c9a5fbd75aa3cad207608e72bf99 Mon Sep 17 00:00:00 2001 From: Piotr Krysik Date: Tue, 30 Jun 2009 23:03:33 +0200 Subject: moved gsm-receiver into directory - preparation to move to airprobe --- src/lib/viterbi_detector.h | 63 ---------------------------------------------- 1 file changed, 63 deletions(-) delete mode 100644 src/lib/viterbi_detector.h (limited to 'src/lib/viterbi_detector.h') diff --git a/src/lib/viterbi_detector.h b/src/lib/viterbi_detector.h deleted file mode 100644 index 0360f83..0000000 --- a/src/lib/viterbi_detector.h +++ /dev/null @@ -1,63 +0,0 @@ -/* -*- c++ -*- */ -/* - * @file - * @author Piotr Krysik - * @section LICENSE - * - * 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 3, 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; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ - -/* - * viterbi_detector: - * This part does the detection of received sequnece. - * Employed algorithm is viterbi Maximum Likehood Sequence Estimation. - * At this moment it gives hard decisions on the output, but - * it was designed with soft decisions in mind. - * - * SYNTAX: void viterbi_detector( - * const gr_complex * input, - * unsigned int samples_num, - * gr_complex * rhh, - * unsigned int start_state, - * const unsigned int * stop_states, - * unsigned int stops_num, - * float * output) - * - * INPUT: input: Complex received signal afted matched filtering. - * samples_num: Number of samples in the input table. - * rhh: The autocorrelation of the estimated channel - * impulse response. - * start_state: Number of the start point. In GSM each burst - * starts with sequence of three bits (0,0,0) which - * indicates start point of the algorithm. - * stop_states: Table with numbers of possible stop states. - * stops_num: Number of possible stop states - * - * - * OUTPUT: output: Differentially decoded hard output of the algorithm: - * -1 for logical "0" and 1 for logical "1" - * - * SUB_FUNC: none - * - * TEST(S): Tested with real world normal burst. - */ - -#ifndef INCLUDED_VITERBI_DETECTOR_H -#define INCLUDED_VITERBI_DETECTOR_H - -void viterbi_detector(const gr_complex * input, unsigned int samples_num, gr_complex * rhh, unsigned int start_state, const unsigned int * stop_states, unsigned int stops_num, float * output); - -#endif /* INCLUDED_VITERBI_DETECTOR_H */ -- cgit v1.2.3