Re: [Discuss-gnuradio] OFDM Help

2011-06-05 Thread Usman Haider
Hi Kunal, I am planning to spend some more time on OFDM. Then, may be we can put all the stuff in a README file, after Tom or somebody checks that for us :). Usman On Fri, Jun 3, 2011 at 9:23 PM, Kunal Kandekar wrote: > I think this email exchange contains good documentation for (part of) the >

Re: [Discuss-gnuradio] OFDM Help

2011-06-03 Thread Kunal Kandekar
I think this email exchange contains good documentation for (part of) the OFDM example. Maybe we could put it in a README file, and upload it to the OFDM directory? Or insert these as comments at the respective lines of code? Kunal On Thu, Jun 2, 2011 at 5:01 PM, Tom Rondeau wrote: > On Thu, J

Re: [Discuss-gnuradio] OFDM Help

2011-06-02 Thread Tom Rondeau
On Thu, Jun 2, 2011 at 12:00 PM, Usman Haider wrote: > Hi Tom > Thanks a lot. Yes, that did help me :). One more question: what is the > purpose of probe at the end of OFDM chain? > > alpha=0.001 > thresh=30 #in dB > self.probe = gr.probe_avg_mag_sqrd_c(thresh,alpha) > self.connect(self.ofdm_rx, s

Re: [Discuss-gnuradio] OFDM Help

2011-06-02 Thread Usman Haider
Hi Tom Thanks a lot. Yes, that did help me :). One more question: what is the purpose of probe at the end of OFDM chain? alpha=0.001 thresh=30 #in dB self.probe = gr.probe_avg_mag_sqrd_c(thresh,alpha) self.connect(self.ofdm_rx, self.probe) I do understand that probe computes the " running average

Re: [Discuss-gnuradio] OFDM Help

2011-06-02 Thread Tom Rondeau
On Thu, Jun 2, 2011 at 3:10 AM, Usman Haider wrote: > Hi all, > > I am working on the OFDM in GnuRadio. After reading the code files and > going through the presentation on the OFDM implementation I did understand > most part of OFDM. But I still have few questions to ask: > It's been a long time

[Discuss-gnuradio] OFDM Help

2011-06-02 Thread Usman Haider
Hi all, I am working on the OFDM in GnuRadio. After reading the code files and going through the presentation on the OFDM implementation I did understand most part of OFDM. But I still have few questions to ask: 1) how symbols_per_packet is calculated ? I know the following formula sy