A quick hack would be to throw down a block that renames certain tags. You'd have to write that block, but it would consist of a memcpy() for the data and a conditional tag copying.
M On 04/25/2016 10:20 PM, Jingyi Sun wrote: > Hello experts, > > I have a question regarding using both OFDM packets and frames as inputs > into the same tagged stream blocks. > > In particular, I would like to input data from inside an OFDM > transmitter and data from inside an OFDM receiver into the same tagged > stream block. I would like to process the data while they are symbols > before the IFFT in the transmitter, and after the FFT in the receiver, > as shown in the attached flow graph. When we run the flow graph with > this additional block, data transmission stops due to a run-time error. > > We believe that the problem is because we are trying to input tagged > streams with different length tag keys: the tagged stream from the OFDM > transmitter has length_tag_key = packet_len, while the tagged stream > from the OFDM receiver has length_tag_key = frame_len. When we use > inputs of the same length_tag_key, we find that there is no run time error. > > My question: is there someway that we can process the receiver data and > the transmitter data in the same block? For example, can I "break down" > the frames into packets so that we can avoid the mismatching > length_tag_key error? > > Thanks a bunch! > Jenny & Team > > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
