Re: [Discuss-gnuradio] Low transmission rate on tx_ofdm causes underflow

[avinash kalyanaraman]

I wasn't getting anything through.

My USRP Sink block had an empty TSB tag name property. I didn't have a TSB tag name = packet_len property. I started getting data across after adding that.

On Fri, Jun 24, 2016 at 2:12 PM, Martin Braun <address@hidden> wrote:

On 06/23/2016 02:42 PM, avinash kalyanaraman wrote:
> Hi All,
>
> I am doing an OFDM transmission with tx_ofdm.grc and receiving it with
> rx_ofdm.grc. I am using two USRP N210s for this.
>
> I edited the tx_ofdm to set the transmission rate to generate 96-byted
> packets every 10ms via : message strobe-> random pdu generator->pdu to
> tagged stream.
>
>
> However, now I am seeing an underflow ('U') which I think is because my
> application isn't sending data fast enough to the USRP. The USRP
> sampling rate is 512K.

...maybe not. Maybe the tagged streams are getting corrupted. Are you
receiving anything?

M

> Could you please let me know how I might be able to fix this?
>
> Thanks!
>
> --
> Avinash
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>


_______________________________________________
Discuss-gnuradio mailing list
address@hidden
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

--

Avinash