diff --git a/include/grgsm/CMakeLists.txt b/include/grgsm/CMakeLists.txt
index fd44c54..385572a 100644
--- a/include/grgsm/CMakeLists.txt
+++ b/include/grgsm/CMakeLists.txt
@@ -32,4 +32,4 @@
 add_subdirectory(demapping)
 add_subdirectory(receiver)
 add_subdirectory(misc_utils)
-
+add_subdirectory(flow_control)
diff --git a/include/grgsm/flow_control/CMakeLists.txt b/include/grgsm/flow_control/CMakeLists.txt
new file mode 100644
index 0000000..e701592
--- /dev/null
+++ b/include/grgsm/flow_control/CMakeLists.txt
@@ -0,0 +1,25 @@
+# Copyright 2011,2012 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.
+
+########################################################################
+# Install public header files
+########################################################################
+install(FILES
+    burst_timeslot_splitter.h DESTINATION include/grgsm/flow_control
+)
diff --git a/include/grgsm/flow_control/burst_timeslot_splitter.h b/include/grgsm/flow_control/burst_timeslot_splitter.h
new file mode 100644
index 0000000..ee6298e
--- /dev/null
+++ b/include/grgsm/flow_control/burst_timeslot_splitter.h
@@ -0,0 +1,55 @@
+/* -*- c++ -*- */
+/* @file
+ * @author Roman Khassraf <rkhassraf@gmail.com>
+ * @section LICENSE
+ *
+ * Gr-gsm 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.
+ *
+ * Gr-gsm 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 gr-gsm; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef INCLUDED_GSM_BURST_TIMESLOT_SPLITTER_H
+#define INCLUDED_GSM_BURST_TIMESLOT_SPLITTER_H
+
+#include <grgsm/api.h>
+#include <gnuradio/block.h>
+
+namespace gr {
+  namespace gsm {
+
+    /*!
+     * \brief <+description of block+>
+     * \ingroup gsm
+     *
+     */
+    class GSM_API burst_timeslot_splitter : virtual public gr::block
+    {
+     public:
+      typedef boost::shared_ptr<burst_timeslot_splitter> sptr;
+
+      /*!
+       * \brief Return a shared_ptr to a new instance of grgsm::burst_timeslot_splitter.
+       *
+       * To avoid accidental use of raw pointers, grgsm::burst_timeslot_splitter's
+       * constructor is in a private implementation
+       * class. grgsm::burst_timeslot_splitter::make is the public interface for
+       * creating new instances.
+       */
+      static sptr make();
+    };
+  } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GSM_BURST_TIMESLOT_SPLITTER_H */