discuss-gnuradio
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Discuss-gnuradio] Measure the Distance to another 802.11 device


From: Florian Adamsky
Subject: Re: [Discuss-gnuradio] Measure the Distance to another 802.11 device
Date: Wed, 07 Jun 2017 21:53:32 +0200
User-agent: mu4e 0.9.18; emacs 25.2.1

Dear Marcus,

On Wednesday, Jun 07 2017, Marcus Müller wrote:

[...]

> If I remember correctly, there's some degree of adjustability in that
> firmware, at least in Atheros chipsets; [1] might be an interesting talk
> for you.

this is indeed a very interesting talk. According to this talk, AR9380
and later have higher resolution of packet timestamping which could be
exploited to measure the distance. I already had a very brief look at
the open-ath9k-htc-firmware, but I looks like I need closer look. Thanks
for this link!

[...]

> Another takeaway from [1] that in usual operation, the hardware doesn't
> even hand over packets that don't make the checksum test – maybe it'd be
> interesting to disable that filtering.

Even in monitor mode? Mh, I have another HackRF and I can check if it is
able to receive the other packets.

Cheers!
--
Dr. Florian Adamsky
http://florian.adamsky.it/



reply via email to

[Prev in Thread] Current Thread [Next in Thread]