use long preamble for channel estimation and add lms equalizer

2015-04-17 10:23:25 +02:00
parent 5dd30e5e84
commit 48950a502b
9 changed files with 364 additions and 60 deletions
@@ -0,0 +1,42 @@
+/*
+ * 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_LMS_H
+#define INCLUDED_IEEE802_11_EQUALIZER_LMS_H
+
+#include "base.h"
+#include <vector>
+
+namespace gr {
+namespace ieee802_11 {
+namespace equalizer {
+
+class lms: public base {
+public:
+	virtual void equalize(const gr_complex *in, gr_complex *out, int n);
+private:
+	gr_complex carrier[64];
+	static const gr_complex ref[64];
+	static const gr_complex POLARITY[127];
+};
+
+} /* namespace channel_estimation */
+} /* namespace ieee802_11 */
+} /* namespace gr */
+
+#endif /* INCLUDED_IEEE802_11_EQUALIZER_LMS_H */
+