Re: [Discuss-gnuradio] Determining distance from OFDM signals

2019-06-09 Thread Qasim Chaudhari
Hi Marcus, Thanks for your nice words. GNU Radio is an amazing project and the email archive is our first resource for finding help. Benefited me numerous times. Regarding the necessity of back and forth transmission for ranging, you already know this stuff but I write the below note for la

Re: [Discuss-gnuradio] Determining distance from OFDM signals

2019-06-08 Thread CEL
Hi Qasim, a) it's so nice to see you drop in here from time to time :) b) that's true! But reality is even better; the back and forth exchange isn't strictly necessary. c) I finally find the time to write down what I wanted to write. ## First, agreeing with you: One can basically emulate the pri

Re: [Discuss-gnuradio] Determining distance from OFDM signals

2019-06-07 Thread rear1019
On Wed, 05 Jun 2019 at 16:20:12 -0700, Andrew Wolfram wrote: > I'm trying to alter the file ofdm_txrx.py ( > https://github.com/gnuradio/gnuradio/blob/master/gr-digital/python/digital/ofdm_txrx.py) > to get phase information from the carrier data so I can calculate an > approximate distance between

Re: [Discuss-gnuradio] Determining distance from OFDM signals

2019-06-07 Thread Andrew Wolfram
lf Of Andrew Wolfram > > Sent: Donnerstag, 6. Juni 2019 01:20 > > To: discuss-gnuradio@gnu.org > > Subject: [Discuss-gnuradio] Determining distance from OFDM signals > > > > Hi, > > > > I'm trying to alter the file ofdm_txrx.py ( > https://github.com/

Re: [Discuss-gnuradio] Determining distance from OFDM signals

2019-06-07 Thread CEL
Behalf > Of Andrew Wolfram > Sent: Donnerstag, 6. Juni 2019 01:20 > To: discuss-gnuradio@gnu.org > Subject: [Discuss-gnuradio] Determining distance from OFDM signals > > Hi, > > I'm trying to alter the file ofdm_txrx.py > (https://github.com/gnuradio/gnuradio/b

Re: [Discuss-gnuradio] Determining distance from OFDM signals

2019-06-07 Thread Jonas Manthey
, Jonas From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox@gnu.org] On Behalf Of Andrew Wolfram Sent: Donnerstag, 6. Juni 2019 01:20 To: discuss-gnuradio@gnu.org Subject: [Discuss-gnuradio] Determining distance from OFDM signals Hi, I'm trying to alter the

[Discuss-gnuradio] Determining distance from OFDM signals

2019-06-05 Thread Andrew Wolfram
Hi, I'm trying to alter the file ofdm_txrx.py ( https://github.com/gnuradio/gnuradio/blob/master/gr-digital/python/digital/ofdm_txrx.py) to get phase information from the carrier data so I can calculate an approximate distance between two USRP devices. Ideally I want to grab data from one of the b