diff --git a/src/utils/matlab/libs/read_complex_binary.m b/src/utils/matlab/libs/read_complex_binary.m
new file mode 100644
index 000000000..a201b99bb
--- /dev/null
+++ b/src/utils/matlab/libs/read_complex_binary.m
@@ -0,0 +1,57 @@
+%
+% Copyright 2001 Free Software Foundation, Inc.
+%
+% This file is part of GNU Radio
+%
+% GNU Radio 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, or (at your option)
+% any later version.
+%
+% GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+% the Free Software Foundation, Inc., 51 Franklin Street,
+% Boston, MA 02110-1301, USA.
+%
+
+function v = read_complex_binary (filename, count, start_sample)
+
+  %% usage: read_complex_binary (filename, [count], [start_sample])
+  %%
+  %%  open filename and return the contents as a column vector,
+  %%  treating them as 32 bit complex numbers
+  %%
+
+  m = nargchk (1,2,nargin);
+  if (m)
+    %usage (m);
+  end
+
+  if (nargin < 2)
+    count = Inf;
+    start_sample=0;
+  end
+
+  if (nargin < 3)
+    start_sample=0;
+  end
+  
+  f = fopen (filename, 'rb');
+  if (f < 0)
+    v = 0;
+  else
+    if (start_sample>0)
+        bytes_per_sample=4;
+        fseek(f,start_sample*bytes_per_sample,'bof');
+    end
+    t = fread (f, [2, count], 'float');
+    fclose (f);
+    v = t(1,:) + t(2,:)*i;
+    [r, c] = size (v);
+    v = reshape (v, c, r);
+  end
diff --git a/src/utils/matlab/libs/read_complex_char_binary.m b/src/utils/matlab/libs/read_complex_char_binary.m
new file mode 100644
index 000000000..cafaedcc7
--- /dev/null
+++ b/src/utils/matlab/libs/read_complex_char_binary.m
@@ -0,0 +1,48 @@
+%
+% Copyright 2001 Free Software Foundation, Inc.
+% 
+% This file is part of GNU Radio
+% 
+% GNU Radio 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, or (at your option)
+% any later version.
+% 
+% GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+% the Free Software Foundation, Inc., 51 Franklin Street,
+% Boston, MA 02110-1301, USA.
+% 
+
+function v = read_complex_char_binary (filename, count)
+
+  %% usage: read_complex_binary (filename, [count])
+  %%
+  %%  open filename and return the contents as a column vector, 
+  %%  treating them as 32 bit complex numbers
+  %%
+
+  m = nargchk (1,2,nargin);
+  if (m)
+    usage (m);
+  end
+
+  if (nargin < 2)
+    count = Inf;
+  end
+
+  f = fopen (filename, 'rb');
+  if (f < 0)
+    v = 0;
+  else
+    t = fread (f, [2, count], 'int8');
+    fclose (f);
+    v = t(1,:) + t(2,:)*i;
+    [r, c] = size (v);
+    v = reshape (v, c, r);
+  end
diff --git a/src/utils/matlab/libs/read_complex_short_binary.m b/src/utils/matlab/libs/read_complex_short_binary.m
new file mode 100644
index 000000000..55118528b
--- /dev/null
+++ b/src/utils/matlab/libs/read_complex_short_binary.m
@@ -0,0 +1,48 @@
+%
+% Copyright 2001 Free Software Foundation, Inc.
+% 
+% This file is part of GNU Radio
+% 
+% GNU Radio 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, or (at your option)
+% any later version.
+% 
+% GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+% the Free Software Foundation, Inc., 51 Franklin Street,
+% Boston, MA 02110-1301, USA.
+% 
+
+function v = read_complex_short_binary (filename, count)
+
+  %% usage: read_complex_binary (filename, [count])
+  %%
+  %%  open filename and return the contents as a column vector, 
+  %%  treating them as 32 bit complex numbers
+  %%
+
+  m = nargchk (1,2,nargin);
+  if (m)
+    usage (m);
+  end
+
+  if (nargin < 2)
+    count = Inf;
+  end
+
+  f = fopen (filename, 'rb');
+  if (f < 0)
+    v = 0;
+  else
+    t = fread (f, [2, count], 'short');
+    fclose (f);
+    v = t(1,:) + t(2,:)*i;
+    [r, c] = size (v);
+    v = reshape (v, c, r);
+  end