Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2013-07-16 Thread Sam mite
With respect to following post: http://lists.gnu.org/archive/html/discuss-gnuradio/2011-06/msg00066.html >>There is an "rssi" >>sensor:>>http://www.ettus.com/uhd_docs/manual/html/dboards.html#rfx-series >> >>from the uhd api: >

Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-06 Thread Marcus D. Leech
> > > > > Thanks for the answers Marcus. > > How can I fetch my whole signal stream from RX in order to perform > computations > with it - copying just first N elements that come from usrp source with > gr_head or is there another method? > > Regards, > Kresimir Dabcevic > All the calculations

Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-06 Thread Kresimir Dabcevic
On 06/04/2011 08:07 PM, Marcus D. Leech wrote: > > Only a few of the motherboards have an analog RSSI on the analog > receiver chips, and then exposed through one of the low-speed >ADCs. > > A better way is to take your signal stream and compute: > > 10*LOG10(DECIMATE(SINGLE_POLE_II

Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-06 Thread Kresimir Dabcevic
-Original Message- From: discuss-gnuradio-bounces+kresimir.dabcevic=fer...@gnu.org on behalf of Josh Blum Sent: Sat 6/4/2011 8:04 PM To: discuss-gnuradio@gnu.org Subject: Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400 > > There is an "rssi" sensor: > h

Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-04 Thread Marcus D. Leech
On 06/04/2011 03:58 PM, Marcus D. Leech wrote: A disadvantage to the get_rx_sensor("rssi") approach is that only some of the daughter-boards have that (analog) function, and also, the RSSI is generally sensed at the bandwidth of the RF input to the down-converter chip, rather than at your fi

Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-04 Thread Marcus D. Leech
On 06/04/2011 02:04 PM, Josh Blum wrote: There is an "rssi" sensor: http://www.ettus.com/uhd_docs/manual/html/dboards.html#rfx-series from the uhd api: usrp->get_rx_sensor("rssi") or in python w/ gr-uhd usrp.get_dboard_sensor("rssi") A disadvantage to the get_rx_sensor("rssi") approach is tha

Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-04 Thread Marcus D. Leech
On 06/04/2011 01:52 PM, Kresimir Dabcevic wrote: Hi list! Is it possible to measure RSSI on RFX2400 with N210 motherboard (UHD drivers)? >From the archives, it seems that read_rssi() is defined only for XCVR2450, and read_aux_adc(side,0) described on http://gnuradio.org/redmine/wiki/1/UsrpFA

Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-04 Thread Josh Blum
On 06/04/2011 10:52 AM, Kresimir Dabcevic wrote: > > Hi list! > > Is it possible to measure RSSI on RFX2400 with N210 motherboard (UHD drivers)? > From the archives, it seems that read_rssi() is defined only for XCVR2450, > and read_aux_adc(side,0) described on > http://gnuradio.org/redmine/wi

[Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2011-06-04 Thread Kresimir Dabcevic
Hi list! Is it possible to measure RSSI on RFX2400 with N210 motherboard (UHD drivers)? >From the archives, it seems that read_rssi() is defined only for XCVR2450, and read_aux_adc(side,0) described on http://gnuradio.org/redmine/wiki/1/UsrpFAQRSSI cannot be called (or I'm calling it wrong). Th