Changed method of frequency estimation

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/receiver/receiver_impl.h b/lib/receiver/receiver_impl.h
index c8d71f9..eb406f3 100644
--- a/lib/receiver/receiver_impl.h
+++ b/lib/receiver/receiver_impl.h
@@ -36,6 +36,10 @@ namespace gr {
      private:
         unsigned int d_c0_burst_start;
         float d_c0_signal_dbm;
+        
+        lv_32fc_t* d_freq_estim_vector;//  = (lv_32fc_t*)volk_malloc(sizeof(lv_32fc_t)*160, alignment);
+        lv_32fc_t* d_freq_estim_result;// = (lv_32fc_t*)volk_malloc(sizeof(lv_32fc_t)*1, alignment);
+        
         /**@name Configuration of the receiver */
         //@{
         const int d_OSR; ///< oversampling ratio
@@ -108,6 +112,8 @@ namespace gr {
          */
         double compute_freq_offset(const gr_complex * input, unsigned first_sample, unsigned last_sample);
 
+        double estim_freq_norm(const gr_complex * input, unsigned first_sample, unsigned last_sample); //another frequency estimator
+        double estim_freq_norm2(const gr_complex * input, unsigned first_sample, unsigned last_sample); //another frequency estimator        
         /** Computes angle between two complex numbers
          *
          * @param val1 first complex number