Typos

Author: BastienTr

commpy/links.py

@@ -42,7 +42,8 @@ def link_performance(link_model, SNRs, send_max, err_min, send_chunk=None, code_
               link_performance send bits until it reach err_min errors (see also send_max).
 
     send_chunk : int
-                  Number of bits to be send at each iteration.
+                  Number of bits to be send at each iteration. This is also the frame length of the decoder if available
+                  so it should be large enough regarding the code type.
                   *Default*: send_chunck = err_min
 
     code_rate : float in (0,1]

commpy/modulation.py

@@ -22,13 +22,14 @@
 from itertools import product
 
 import matplotlib.pyplot as plt
-from commpy.utilities import bitarray2dec, dec2bitarray
 from numpy import arange, array, zeros, pi, cos, sin, sqrt, log2, argmin, \
     hstack, repeat, tile, dot, shape, concatenate, exp, \
     log, vectorize, empty, eye, kron, inf
 from numpy.fft import fft, ifft
 from numpy.linalg import qr, norm
 
+from commpy.utilities import bitarray2dec, dec2bitarray
+
 __all__ = ['PSKModem', 'QAMModem', 'ofdm_tx', 'ofdm_rx', 'mimo_ml', 'kbest', 'bit_lvl_repr', 'max_log_approx']
 
 
@@ -340,7 +341,7 @@ def kbest(y, h, constellation, K, noise_var=0, output_type='hard', demode=None):
     if output_type == 'hard':
         return X[:, 0]
     elif output_type == 'soft':
-        return max_log_approx(y, h, noise_var, X, demode)
+        return max_log_approx(y, h, noise_var, X[:, :nb_can], demode)
     else:
         raise ValueError('output_type must be "hard" or "soft"')