[Hackrf-dev] FHSS?

[Dominic Spill]

On 2 December 2015 at 01:58, Gopala Prem via HackRF-dev
<hackrf-dev at greatscottgadgets.com> wrote:
>
> sorry for being lazy and not including the information abt the FHSS document I mentioned.
> Its by Paul David and imho he has done a stunning job...
>
> See for yourself:
> http://static1.1.sqspcdn.com/static/f/679473/25461602/1411158960237/Sep18_07_David_DSSSFHSS.pdf?token=Ivu9LTilloy432Jzj50m7ejcIXQ%3D

An interesting read.  It may be worth contacting Paul to ask if he has
looked at 802.11, although I would expect the answer to be no.

Since my previous email I have remembered that Robert Havelt presented
some SDR 802.11 FHSS work in 2009, the slides are available here:
https://www.blackhat.com/presentations/bh-europe-09/Havelt/Black-Hat-Europe-2009-Havelt-FHSS-Network-Security-slides.pdf

I can't seem to find a video of the presentation.

Thanks,
  Dominic


> --------------------------------------------
> On Tue, 12/1/15, Dominic Spill <dominicgs at gmail.com> wrote:
>
>  Subject: Re: [Hackrf-dev] FHSS?
>  To: "Gopala Prem" <gopala88 at rocketmail.com>
>  Cc: "hackrf-dev" <hackrf-dev at greatscottgadgets.com>
>  Received: Tuesday, December 1, 2015, 11:08 AM
>
>  On 1 December 2015 at
>  09:29, Gopala Prem via HackRF-dev
>  <hackrf-dev at greatscottgadgets.com>
>  wrote:
>  >
>  > is there
>  anybody out there ever having tried to decode the original
>  802.11
>  > transmitting via FHSS on 2.4 GHz
>  (bandwidth 22MHz) with HackRF?
>
>  I'm definitely interested in this, but I
>  have never seen an
>  implementation of 802.11
>  FHSS for GNURadio (or any other SDR
>  platform).
>
>  I
>  believe that 802.11 FHSS was much lower bandwidth than
>  22MHz, so I
>  don't think that the
>  bandwidth is a problem, it just needs to be
>  implemented.  My greatest trouble in
>  researching this has been
>  acquiring FHSS APs
>  and NICs to experiment with.
>
>  > I
>  tried without much success so far and only found one
>  theoretical concept on the net
>  >
>  utilizing GNURadio, but no working setup.-
>
>  I haven't seen this, would
>  you be able to share a link to it?
>
>  Dominic
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