1 files changed, 23 insertions, 16 deletions
diff --git a/gr-digital/include/digital_constellation_receiver_cb.h b/gr-digital/include/digital_constellation_receiver_cb.h
index 59b2d2785..8547bdd68 100644
--- a/gr-digital/include/digital_constellation_receiver_cb.h
+++ b/gr-digital/include/digital_constellation_receiver_cb.h
@@ -41,28 +41,36 @@ digital_make_constellation_receiver_cb (digital_constellation_sptr constellation
 					float loop_bw, float fmin, float fmax);
 
 /*!
- * \brief This block takes care of receiving generic modulated signals through phase, frequency, and symbol
- * synchronization. 
+ * \brief This block takes care of receiving generic modulated signals
+ * through phase, frequency, and symbol synchronization.
  * \ingroup sync_blk
  * \ingroup demod_blk
+ * \ingroup digital
  *
- * This block takes care of receiving generic modulated signals through phase, frequency, and symbol
- * synchronization. It performs carrier frequency and phase locking as well as symbol timing recovery. 
+ * This block takes care of receiving generic modulated signals
+ * through phase, frequency, and symbol synchronization. It performs
+ * carrier frequency and phase locking as well as symbol timing
+ * recovery.
  *
- * The phase and frequency synchronization are based on a Costas loop that finds the error of the incoming
- * signal point compared to its nearest constellation point. The frequency and phase of the NCO are 
+ * The phase and frequency synchronization are based on a Costas loop
+ * that finds the error of the incoming signal point compared to its
+ * nearest constellation point. The frequency and phase of the NCO are
  * updated according to this error.
  *
- * The symbol synchronization is done using a modified Mueller and Muller circuit from the paper:
+ * The symbol synchronization is done using a modified Mueller and
+ * Muller circuit from the paper:
  * 
- *    G. R. Danesfahani, T.G. Jeans, "Optimisation of modified Mueller and Muller 
- *    algorithm,"  Electronics Letters, Vol. 31, no. 13,  22 June 1995, pp. 1032 - 1033.
+ *    G. R. Danesfahani, T.G. Jeans, "Optimisation of modified Mueller
+ *    and Muller algorithm," Electronics Letters, Vol. 31, no. 13, 22
+ *    June 1995, pp. 1032 - 1033.
  *
- * This circuit interpolates the downconverted sample (using the NCO developed by the Costas loop)
- * every mu samples, then it finds the sampling error based on this and the past symbols and the decision
- * made on the samples. Like the phase error detector, there are optimized decision algorithms for BPSK
- * and QPKS, but 8PSK uses another brute force computation against all possible symbols. The modifications
- * to the M&M used here reduce self-noise.
+ * This circuit interpolates the downconverted sample (using the NCO
+ * developed by the Costas loop) every mu samples, then it finds the
+ * sampling error based on this and the past symbols and the decision
+ * made on the samples. Like the phase error detector, there are
+ * optimized decision algorithms for BPSK and QPKS, but 8PSK uses
+ * another brute force computation against all possible symbols. The
+ * modifications to the M&M used here reduce self-noise.
  *
  */
 
@@ -80,8 +88,7 @@ protected:
    * \brief Constructor to synchronize incoming M-PSK symbols
    *
    * \param constellation	constellation of points for generic modulation
-   * \param alpha	gain parameter to adjust the phase in the Costas loop (~0.01)
-   * \param beta        gain parameter to adjust the frequency in the Costas loop (~alpha^2/4)	
+   * \param loop_bw	Loop bandwidth of the Costas Loop (~ 2pi/100)
    * \param fmin        minimum normalized frequency value the loop can achieve
    * \param fmax        maximum normalized frequency value the loop can achieve
    *