2 files changed, 10 insertions, 3 deletions
diff --git a/gr-digital/grc/digital_ofdm_carrier_allocator_cvc.block.yml b/gr-digital/grc/digital_ofdm_carrier_allocator_cvc.block.yml
index ae80e3f76d..75e4daaeb8 100644
--- a/gr-digital/grc/digital_ofdm_carrier_allocator_cvc.block.yml
+++ b/gr-digital/grc/digital_ofdm_carrier_allocator_cvc.block.yml
@@ -26,6 +26,12 @@ parameters:
     label: Length tag key
     dtype: string
     default: '"packet_len"'
+-   id: output_is_shifted
+    label: Shift Output
+    dtype: enum
+    default: 'True'
+    options: ['False', 'True']
+    option_labels: ['No', 'Yes']
 
 inputs:
 -   domain: stream
@@ -38,7 +44,8 @@ outputs:
 
 templates:
     imports: from gnuradio import digital
-    make: digital.ofdm_carrier_allocator_cvc(${fft_len}, ${occupied_carriers}, ${pilot_carriers},
-        ${pilot_symbols}, ${sync_words}, ${len_tag_key})
+    make: digital.ofdm_carrier_allocator_cvc(
+        ${fft_len}, ${occupied_carriers}, ${pilot_carriers},
+        ${pilot_symbols}, ${sync_words}, ${len_tag_key}, ${output_is_shifted})
 
 file_format: 1
diff --git a/gr-digital/include/gnuradio/digital/ofdm_carrier_allocator_cvc.h b/gr-digital/include/gnuradio/digital/ofdm_carrier_allocator_cvc.h
index ab371a98e8..6a15037b43 100644
--- a/gr-digital/include/gnuradio/digital/ofdm_carrier_allocator_cvc.h
+++ b/gr-digital/include/gnuradio/digital/ofdm_carrier_allocator_cvc.h
@@ -101,6 +101,7 @@ namespace gr {
        *                   sub-carrier being idle). Is a vector of complex vectors of length
        *                   \p fft_len
        * \param len_tag_key The key of the tag identifying the length of the input packet.
+       * \param output_is_shifted whether to 'fftshift' the output OFDM symbols. If used, the followup FFT should be instantaited such that it knows that the input is shifted. Default is true.
        */
       static sptr make(
 	  int fft_len,
@@ -116,4 +117,3 @@ namespace gr {
 } // namespace gr
 
 #endif /* INCLUDED_DIGITAL_OFDM_CARRIER_ALLOCATOR_CVC_H */
-