add equalizers

2016-05-31 15:36:05 +02:00
parent 5a9846fa67
commit 052d5022b0
12 changed files with 413 additions and 140 deletions
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 Bastian Bloessl <bloessl@ccs-labs.org>
+ *
+ * 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 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_IEEE802_11_EQUALIZER_STA_H
+#define INCLUDED_IEEE802_11_EQUALIZER_STA_H
+
+#include "base.h"
+#include <vector>
+
+namespace gr {
+namespace ieee802_11 {
+namespace equalizer {
+
+class sta: public base {
+public:
+	virtual void equalize(gr_complex *in, int n, gr_complex *symbols, uint8_t *bits, boost::shared_ptr<gr::digital::constellation> mod);
+	double get_snr();
+
+private:
+	gr_complex d_H[64];
+	double d_snr;
+
+	const double alpha = 0.5;
+	const int beta = 2;
+};
+
+} /* namespace channel_estimation */
+} /* namespace ieee802_11 */
+} /* namespace gr */
+
+#endif /* INCLUDED_IEEE802_11_EQUALIZER_STA_H */