Added grc receiver block that supports uplink and changed block that supports downlink only
diff --git a/grc/receiver/gsm_receiver.xml b/grc/receiver/gsm_receiver.xml
index 2119fd2..2988243 100644
--- a/grc/receiver/gsm_receiver.xml
+++ b/grc/receiver/gsm_receiver.xml
@@ -3,7 +3,7 @@
   <name>GSM Receiver</name>
   <key>gsm_receiver</key>
   <import>import grgsm</import>
-  <make>grgsm.receiver($osr, $cell_allocation, $tseq_nums)</make>
+  <make>grgsm.receiver($osr, $cell_allocation, $tseq_nums, False)</make>
 
   <param>
     <name>Oversampling ratio</name>