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_ > algorithm_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, > 25000 Besancon, France >
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