Minimum A should be 1 for PDCCGH.

Author: robmaunder

PDCCH_decoder.m

@@ -51,6 +51,9 @@
 
 addpath 'components'
 
+if A == 0
+    error('polar_3gpp_matlab:UnsupportedBlockLength','A should be no less than 1.');
+end
 if A > 140
     error('polar_3gpp_matlab:UnsupportedBlockLength','A should be no greater than 140.');
 end

PDCCH_encoder.m

@@ -51,6 +51,9 @@
 
 A = length(a);
 
+if A == 0
+    error('polar_3gpp_matlab:UnsupportedBlockLength','A should be no less than 1.');
+end
 if A > 140
     error('polar_3gpp_matlab:UnsupportedBlockLength','A should be no greater than 140.');
 end