Re: [Discuss-gnuradio] gr-ieee802-11 wifi signal bitrate

2017-05-08 Thread Bastian Bloessl
Hi, > On 8. May 2017, at 09:00, Thom L wrote: > > IIRC, it shows the autocorrelation of the signal. If you add a trigger to the > default plot (level ~0.56) you should see the characteristic plateau of the > short training sequence at the beginning of frames (this

Re: [Discuss-gnuradio] gr-ieee802-11 wifi signal bitrate

2017-05-08 Thread Thom L
Hi Bastian, IIRC, it shows the autocorrelation of the signal. If you add a trigger to > the default plot (level ~0.56) you should see the characteristic plateau of > the short training sequence at the beginning of frames (this is used for > frame detection). Ok that's right? But I don't

Re: [Discuss-gnuradio] gr-ieee802-11 wifi signal bitrate

2017-05-07 Thread Bastian Bloessl
> On 7. May 2017, at 21:27, Thom L wrote: > > Hi Bastian, > > Le 7 mai 2017 22:10, "Bastian Bloessl" a écrit : > > The red line is the complex component (which is around 0), while the blue > line shows the real part (which jumps between 1 and

Re: [Discuss-gnuradio] gr-ieee802-11 wifi signal bitrate

2017-05-07 Thread Thom L
Hi Bastian, Le 7 mai 2017 22:10, "Bastian Bloessl" a écrit : The red line is the complex component (which is around 0), while the blue line shows the real part (which jumps between 1 and -1). Yes but it jumps at sample rate 20M and not 6M? What I would is to see the bit

Re: [Discuss-gnuradio] gr-ieee802-11 wifi signal bitrate

2017-05-07 Thread Bastian Bloessl
Hi Thomas, > On 7. May 2017, at 09:21, Thom L wrote: > I added a time block sink and watched the signal in 6M mode (sampling rate is > 20M) but I can not interpret the result (cf attachment). Well I do not have > to look at the right place or the right way .. I’m