Hello everyone, Thank you JM Friedt. I apologise sincerely for these trivial mistakes. Thanks for pointing them out. I have linked the corrected GSoC proposal. Please do provide feedback. Thanking you,
Regards, Suraj Hanchinal GSoC Proposal: https://github.com/surajhanchinal/GSoC_proposal/blob/master/My%20GSoC%20Proposal%20.pdf On Sun, Mar 25, 2018 at 8:33 PM, suraj hanchinal <surajhanchi...@gmail.com> wrote: > Hi Ben, > In case of using WiFi as signals of opportunity, we do not use directional > antennas or set the reference receiver in a specific direction. Here the > reference signal is the signal received from a receiver kept in Line of > Sight with the main transmitter. The surveillance receiver does use a > directional antenna pointed in the general location of the target. > > Thank you, > Suraj Hanchinal > > On Sun, Mar 25, 2018 at 8:07 PM, Benny Alexandar <ben.a...@outlook.com> > wrote: > >> Hi Suraj, >> >> I would like to know for measuring the reference signal how do you >> determine the direction of transmitter ? In case of WiFi which direction >> you set your antenna for making it as reference ? >> >> -ben >> ------------------------------ >> *From:* Discuss-gnuradio <discuss-gnuradio-bounces+ben.alex= >> outlook....@gnu.org> on behalf of suraj hanchinal < >> surajhanchi...@gmail.com> >> *Sent:* Sunday, March 25, 2018 7:36 PM >> *To:* jmfriedt >> *Cc:* mar...@gnuradio.org; discuss-gnuradio@gnu.org >> *Subject:* Re: [Discuss-gnuradio] [GSoC2018] Adding Passive radar and >> multiple device support to gr-radar toolbox >> >> Hello everyone, >> After reading the suggestions as well as feedback from Marcus Muller and >> Martin Braun, I have made the suggested changes as well as explained the >> algorithms in greater detail. Please read the updated proposal and provide >> feedback and suggestions. >> >> Thanking you, >> >> Regards, >> Suraj Hanchinal >> >> GSoC Proposal: https://github.com/surajhanchi >> nal/GSoC_proposal/blob/master/My%20GSoC%20Proposal.pdf >> >> On Sun, Mar 25, 2018, 2:18 PM suraj hanchinal <surajhanchi...@gmail.com> >> wrote: >> >> Hello Jean-Michel Friedt, >> >> Thank you for your valuable feedback. That is a very good insight since I >> overlooked the cross-ambiguity function and its calculation considering >> them trivial. I will definitely look into the papers that you mentioned and >> include them in my proposal. >> >> Thank you, >> >> Regards, >> Suraj Hanchinal >> >> On Sun, Mar 25, 2018 at 2:12 PM, jmfriedt <jean-michel.fri...@femto-st.fr >> > wrote: >> >> > All in all, this is pretty ambitious, but exciting! >> > How will you tackle the OFDM signal recovery? I think your reference >> > [2] is really much to be completely done in one GSoC, so it would be >> > totally OK to say you just picked a reduced approach. Still, if you >> > want to do that in all its glory, that would be cool, too, but I'd ask >> > Martin how much work he'd expect that to be, and if necessary, reserve >> > more time for the algorithmic part alone. I'm also including Jean- >> > Michel Friedt of low-cost passive radar fame[A], as I hope he might >> > have a moment to read and comment on your proposal. >> >> I am not sure I can provide useful comments on the proposal, whose >> various iterations I have been reading as they were being updated. Real >> time passive radar processing seems challenging to me, and I would >> advise looking at alternatives to the brute force cross correlation of >> the Doppler shifted signal. You might want to have a look at >> https://www.researchgate.net/publication/279069212_Batches_a >> lgorithm_for_passive_radar_A_theoretical_analysis >> and especially its Table I which lists computational complexity of >> various algorithms. An updated version of the document cited by Marcus >> is at http://jmfriedt.free.fr/dvbt_hardware.pdf (submitted for >> publication but not yet accepted): beyond the improved batches >> algorithm allowing for much faster computation, we also address using >> multiple receivers in parallel, each tuned to different carrier >> frequencies. >> >> JM >> >> -- >> JM Friedt, FEMTO-ST Time & Frequency/SENSeOR, 26 rue de l'Epitaphe, >> <https://maps.google.com/?q=26+rue+de+l'Epitaphe,+%0D%0A25000+Besancon,+Fr&entry=gmail&source=g> >> 25000 Besancon, Fr Michaelance >> >> >> >
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