Hi Tapiwa,
There should be object code for fixing the B100 USB interface in the UHD
tree under /host/build/utils.
cmake compiled it for you when you built the whole UHD.
The bin file to use is fx2_init_eeprom.
Use the --help option to get usage info.
You also need the suitable b100_boot.bin
vince mtp-probe: checking bus 1, device 26:
/sys/devices/pci:00/:00:1a.0/usb1/1-1/1-1.2
Sep 9 17:44:17 vince mtp-probe: bus: 1, device: 26 was not an MTP device
Sep 9 17:44:49 vince kernel: [293606.298898] usb 1-1.2: USB disconnect,
device number 26
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Hi Matt,
This is very good news. The specs you're anticipating are of great interest
to me. Just a further question:
Is the B200 conceived in order to support 24/7 continuous operation (e.g.
the sort of use case you would expect in a permanent spectrum monitoring
application)?
If so, have you
that I should be aware of?
my best regards to everybody
vince
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2013/4/15 Josh Blum j...@ettus.com
On 04/15/2013 03:39 PM, Vincenzo Pellegrini wrote:
Hi everybody,
I have been experiencing some difficulties in obtaining
the same signal clarity performance that I used to have with
uhd_003.004.000-f500b92
when I tried
On 09/26/2012 01:00 PM, Vincenzo Pellegrini wrote:
Dear gr / USRP fellows,
I'm currently experimenting with USRP B100 Local Oscillator relocation
time.
I've done some experiments on the RX path by tuning towards and away from
an OFDM beacon signal.
I have flushed into the received
of millisecs.
I saw that the wiki states perhaps a second as the LO settling time.
But can anybody confirm the above behaviour analysis ?
best regards
vince
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and regards
vince
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paste the output of lsusb and lspci -v?
--n
do you have any search hints for this, is your uPD720200 on-board the
motherboard or on a separate device?
thanks and regards
vincenzo
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and regards
vincenzo
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Hi everybody,
can anybody indicate if ref signal specs for the USRP B100 are to be
considered the same as those for N210 as specified here?
http://files.ettus.com/uhd_docs/manual/html/usrp2.html#ref-clock-10mhz
thank you and regards
vince
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, Vincenzo Pellegrini
wwvi...@gmail.comwrote:
Hi Nick,
I have noticed that j101 onboard the B100 outputs a 64 MHz reference.
Could it be possilble to feed that signal somehow into a second USRP B100
to be used as a reference?
You would have to go through some gymnastics (read: soldering) to get
work.
-Josh
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Thanks Nick,
that's perfect.
Il giorno 27 marzo 2012 18:05, Nick Foster n...@ettus.com ha scritto:
On Tue, Mar 27, 2012 at 7:26 AM, Vincenzo Pellegrini wwvi...@gmail.comwrote:
Hi Nick, thanks for the answer.
Everything clear.
Just a further question.
Would a 0V-mean, 3.3V peak-to-peak
the clock sync signal across
multiple B100. This would synchronously reset the phase across all N
devices. It would require a little FPGA work.
-Josh
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?
It would be great to be able to keep them in frequency and phase synch that
way.
thank you
vince
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sample rate ?
my best regards
vincenzo
Il giorno 23 marzo 2012 16:54, Nick Foster n...@ettus.com ha scritto:
On Fri, Mar 23, 2012 at 3:41 AM, Vincenzo Pellegrini wwvi...@gmail.comwrote:
Hi everybody,
just a very quick question:
is it possible to enslave the clock of a B100
transmit rate 8.00 Msps
Benchmark rate summary:
Num received samples:0
Num dropped samples: 0
Num overflows detected: 0
Num transmitted samples: 80053688
Num sequence errors: 0
Num underflows detected: 0
Done!
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just trying to figure out what I might be
missing in order to properly use UHD for my purposes.
thanks
Il giorno 21 marzo 2012 19:59, Nick Foster n...@ettus.com ha scritto:
On Wed, Mar 21, 2012 at 11:42 AM, Vincenzo Pellegrini
wwvi...@gmail.comwrote:
HI fellows,
I was wondering if anybody
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...
Setting TX Bandwidth: 8.00 MHz...
Actual TX Bandwidth: 8.00 MHz...
Checking TX: LO: locked ...
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(or by installing xubuntu
instead of regular ubuntu). It is similar to Gnome 2 and is very
lightweight.
Alex
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that.
-Jeremy
*From:* discuss-gnuradio-bounces+jqr=jquirke.com...@gnu.org [mailto:
discuss-gnuradio-bounces+jqr=jquirke.com...@gnu.org] *On Behalf Of *Vincenzo
Pellegrini
*Sent:* Wednesday, 27 April 2011 10:26 PM
*To:* discuss-gnuradio
*Subject:* [Discuss-gnuradio] ETSI DVB-T Compliant
://www.youtube.com/watch?v=0mGn7FF9Gc8
GPP-SDR implemented DVB-T DeModulator
http://www.youtube.com/watch?v=S5nGBDCxhmk
http://www.youtube.com/watch?v=XxXW4Gya918
GPP-SDR implemented DVB-T SFN
http://www.youtube.com/watch?v=mQ6YorV4VKE
regards to everybody
vince
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of the Helmholtz Association
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can be further reduced.
Of course, not comparable to the power efficiency of an ASIC. Yet.
regards to everybody
vince
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.
-William
On Fri, Nov 26, 2010 at 7:32 AM, Vincenzo Pellegrini wwvi...@gmail.comwrote:
Hi fellow GNURadioers,
just in case somebody is interested, this is the main dish of our SDR
demo, which we will be presenting within GLOBECOM 2010 (Miami, FL) demo
session on Dec. 8th. Title of the demo
Tsou tt...@vt.edu
On Wed, Aug 25, 2010 at 9:58 AM, Vincenzo Pellegrini wwvi...@gmail.com
wrote:
Hi everybody,nd
Just a very simple question:
Is it possible to obtain 10 bit samples out of USRP (either 1 or 2) by
using
suitable libusrp primitives / parameters?
No. But you can produce 8-bit
://www.youtube.com/watch?v=XxXW4Gya918
http://www.youtube.com/watch?v=7EuqKYKc6mg
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of such paper or if I will publish a differently edited, longer version
which is independent from the GC conference.
regards to everybody
vincenzo
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Discuss
and reagards
vincenzo
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Hi everybody,
just wanted to know if anything like this was done before by anybody:
The idea is to control multiple USRP2 from one single host, over the very
same Ethernet link.
Like.. the closest possible thing to delivering them a phy-level copy of the
very same Ethernet signal and having them
Hi everybody,
I have notice an oddity with recent trunks.. since I updated a couple of
months ago, my USRP (#541) is not working any more with the current trunk.
When I try to send out an 8MHz band, samples get consumed by the USRP slower
than they are supposed to. This does not happen if I use
considerations can
be of some utility. I'm interested in further discussion.
my best regards to you and everybody
vincenzo
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http
=7EuqKYKc6mg
(then the small DVD ended, unfortunately :( )
at WSR10, Karlsruhe
during GNURadio-dedicated session.
Links to Presented Paper and Presentation Slides are attached to each video :-)
best regards to everybody
vincenzo
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to your papers, both the WSR10 one
and whatever you can on your MA technique? Â Enquiring minds will want to
know more about MA ... Thanks! - MLD
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Discuss
local oscillator
disciplined by the external 10 MHz reference.
thanks
vincenzo
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Hi Achilleas, sorry for the belated reply but I was very busy working on
extending MA over SR-DVB and with other academic stuff here.
MA actually stands for Memory Acceleration and is intended as an
optimization technique aimed at signal-processing-generated computation
over GPPs and DSPs (we
Thank you Matt.
vincenzo
2010/2/24 Matt Ettus m...@ettus.com
On 02/23/2010 04:18 AM, Vincenzo Pellegrini wrote:
Hi everybody,
by performing some tests over the USRP2 platform equipped with RFX400
frontend, it appeared to us that external reference only disciplines
motherboard clock
when doing
lab tests.
As well as useful constellations with SNR being around 12 dB.
regards
vincenzo
2010/2/1 Per Zetterberg per.zetterb...@ee.kth.se
Vincenzo Pellegrini wrote:
SR-DVB demo video on youtube
http://www.youtube.com/watch?v=S5nGBDCxhmk
regards
vincenzo
SR-DVB demo video on youtube
http://www.youtube.com/watch?v=S5nGBDCxhmk
regards
vincenzo
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is available at
www.legalepellegrini.it/ing/SR-DVB_demo_long.VRO
as usual, mplayer or VLC wil play this camcorder mpeg2 viedo easily.
Best regards to all writers and readers of the list
vincenzo
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it actually does :)
On Fri, Jan 29, 2010 at 12:04, Vincenzo Pellegrini wwvi...@gmail.com
wrote:
Hi GNURadio fellows,
considering that this list has grown to something highly relevant in
Software Defined Radio I thought it would have been a good idea to share
here a few thoughts I've been
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Hi everybody,
Just a very quick question: I'm developing a simple interface to usrp2
directly using libusrp2.
I'm calling the set _center_freq method and I'm having the same frequency
offset problems (dxc not set) that you have with usrp1 when you don't use
the u.tune() method.
Problem is I could
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www.legalepellegrini.it/ing/quick-dvb-in-newRADIO.VRO
2009/8/12 Vincenzo Pellegrini wwvi...@gmail.com:
Hi Matt,
here are the links to the old stuff:
the article at the Karlsruhe conference
www.legalepellegrini.it/ing/PellegriniBacciLuise_WSR08_CR.pdf
the demo there
www.legalepellegrini.it/ing
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sorry for previous mistake
www.legalepellegrini.it/ing/quick-dvb-in-newRADIO.VRO
2009/8/12 Vincenzo Pellegrini wwvi...@gmail.com:
Hi Matt,
here are the links to the old stuff:
the article at the Karlsruhe conference
www.legalepellegrini.it/ing/PellegriniBacciLuise_WSR08_CR.pdf
the demo
Hi everybody,
I have recently had a look at two possibilities for SWRadio-aimed intensive
computing,
which i guess are the two main development lanes for our kind of stuff:
.:. Cell BE platform
.:. CUDA nVidia GPUs
I think this list is the best place to for a discussion on PROs and CONs of
the
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Crystal clear.. :-)
thank you Tom
2009/3/11 Tom Rondeau trondeau1...@gmail.com
On Tue, Mar 10, 2009 at 6:48 AM, Vincenzo Pellegrini wwvi...@gmail.com
wrote:
Thanks Tom,
I had looked at it.
I still have a question.
It looks to me like the blocks down the line receive data from
.
Is this assumption right?
thanks
again
vincenzo
2009/3/9 Tom Rondeau trondeau1...@gmail.com
On Sun, Mar 8, 2009 at 8:20 PM, Vincenzo Pellegrini wwvi...@gmail.com
wrote:
Hi everybody,
just a very simple question:
is there a clean way in GNURadio to do this
source--block1--block2
where
Hi everybody,
just a very simple question:
is there a clean way in GNURadio to do this
source--block1--block2
where:
source sends let's say some gr_complex
block 1 looks for some synchro signal within the flow
block2 does absolutely nothing (i.e. does not process zeors or anything,
simply it is
with your USRP?
Vincenzo Pellegrini wrote:
Hi everybody,
I've got really no idea of what happened.. I have been working a few
hours with my USRP, then I switched it off for about an hour. Then I
came back, re-plugged power into it and I got 'Unable to find USRP#0'.
I checked the led
to 1 GHz) w/ Soft-DVB - Will then be
possible to transmitt in any VHF/UHF channel?
Bye,
Rafael Diniz
Em Tuesday 11 November 2008, Vincenzo Pellegrini escreveu:
Martin ,
sorry for the delay. My exams seem to have gone well even if it's not
official yet. I also had to do a demo for a company I
:[EMAIL PROTECTED]
Namens Vincenzo Pellegrini
Verzonden: maandag 3 november 2008 0:16
Aan: Martin DvH
CC: discuss-gnuradio
Onderwerp: [Discuss-gnuradio] Re: Soft-DVB DVB-T transmitter
This is Great... :)
Yup, the playback cannot be smooth because
Hi everybody,
suppose I have a python application with gui,
what is the best way to provide some data (a few floats every second)
back from C++ to my python gui flow graph?
Really Thanks
vincenzo
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help so far.
I appreciate it very much.
And good luck with your exams.
Have a nice weekend.
Greetings,
Martin
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Hi Martin,
thanks for the FTP.
I already have a location online at my father's lawyer's office.
So, there you can find all old posted videos (which won't get removed for
the foreseeable future)
and some new, more descriptive ones:
PREFIX= www.legalepellegrini.it/ing/
and then:
I have followed instructions to download boost
1.36
gnuradio compliled smoothly
I've got this problem now: the gnuradio applications I had previously
written compile flawlessly but, when the python script implementing the
application is started
I get:
from gnuradio import gr, eng_notation
to go one step back (like a
compiling option or something) and tell the system not to do so but
concentrate the whole load just on one core?
alternatively how can I get the previous trunk version, the one before
introducing dependency on boost 1.35?
thanks
vincenzo
2008/9/3 Vincenzo Pellegrini
an adapter to connect the PS3 video output to a standard
VGA monitor?
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I was planning to edit the RFX900 wiki page like this, as promised in my
previous email requiring info RFX900 gain
I thought to submit the modification to the list before doing it
thanks
vincenzo
= USRP Daugherboard: RFX900 =
'''Specifications'''[[BR]]
__RX__: 800MHz - 1000MHz [[BR]]
?
Sorry for bthering the list with such questions but I was unable to have
them answered in the RFX900 section of the wiki.. maybe I'll add them myself
once I'll have fully understood the issue..
thanks and regards to all
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?
Rafael Diniz
Em Tuesday 06 May 2008, Vincenzo Pellegrini escreveu:
Hi Rafael,
you can find the paper here:
http://wwvince.interfree.it/PellegriniBacciLuise_WSR08_CR.pdf
thanks for your interest.
soon (one or two days) there will also be a video of the presentation in
Karlsruhe
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thanks Brian, sorry for having been so silly, I had just stopped 1 step
away from the answer..
regards
vincenzo
On Wed, 2008-01-23 at 08:18 -0500, Brian Padalino wrote:
On Jan 23, 2008 7:50 AM, Vincenzo Pellegrini [EMAIL PROTECTED] wrote:
hi,
does gr.fft_vcc implement the FFTW algorithm
Pellegrini wrote:
Hi everybody,
could anybody help me in figuring out what is (even a rough estimate is OK)
the raw computing power of a 3.0GHz Pentium IV CPU?
really thanks for help
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Assuming you're coding in assembler using SSE* instructions, you can
Hi everybody,
could anybody help me in figuring out what is (even a rough estimate is OK)
the raw computing power of a 3.0GHz Pentium IV CPU?
really thanks for help
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http
hi everybody,
It would be incredibly useful to me if somebody could suggest a link to
some resources explaining all that has currently been achieved by using
GNURadio over Fedora over PS3, and how much advantage does the current
GNURadio release take of the cell processor architecture.
Is it
thanks Eric, thanks Matt..
it was my fault: I had forgotten to update the swig interface file path
within configure.ac
now everything is all right on both F7 and F8
best regards
vincenzo
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necessary options
to keep uo with Python changes?
many thanks
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Hi,
sorry I just have DVB-T at the moment..
for John Gilmore, I have just seen your email in GNURadio archive.
For some strange reason i had missed it. Really thanks for your words of
enthusiastic appreciation.
Currently I'm cleaning the code with the purpose of approaching
real-time on my
hi all,
can anyone suggest some good readings for code optimization in
GNURadio... (or even not GNURadio-specific ones?)
thanks
vincenzo
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,
you're welcome
Teun van Berkel
vincenzo
On Nov 21, 2007 2:22 AM, Vincenzo Pellegrini [EMAIL PROTECTED] wrote:
Hi all
thanks again for precious help,
I'll soon start working on code cleaning and optimization for real time
performance of my Gnuradio DVB Tx.
here is a video
hi everybody,
I have got my ETSI DVB-T transmitter code working on my linux box, which
is based upon an AMD sempron 3000+ (single core) processor.
Can anybody roughly esteem the speed up factor that I would have by
upgrading to a state of the art desktop processor (maybe a dual core
Intel
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I'm beginning to see some light over my 8MHz tx problems..
the throughput towards my USRP is significantly reduced compared to the
one from it...
./test_usrp_standard_tx
xfered 1.34e+08 bytes in 5.46 seconds. 2.457e+07 bytes/sec. cpu time =
0.492
0 underruns
./test_usrp_standard_rx
xfered
truck.
Best Regards,
Firas
*Vincenzo Pellegrini [EMAIL PROTECTED]* wrote:
hi Firas, thanks for help!
i'm doing pretty much everything you suggested, and in fact, really!!, I
do think that my HD is doing a very good work.
nevertheless I keep having the same problem,
this is what I also
= 7997477
runlength = 7997477
delta = 2523
OK
Testing 32MB/sec... usb_throughput = 32M
ntotal= 1600
nright= 15995879
runlength = 15991525
delta = 8475
OK
Max USB/USRP throughput = 32MB/sec
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first of all thanks to all the guys who provided very useful tips for
the the HD+File system setup.
I finally have a 7200rpm disk that does keep up very well with 32MBps
and, I guess, even much more..
is then this assumption correct?
8Msps with gr_complex data type == 8e6*8bytes per sample = 64
I've just checked, at 4 MHz I can not only tune the central station of
my fm band, really I can perfectly tune all them, all the stations in
the snaphotted band, even at he extremes, the CIC roll off reall gives
me no problem at this stage..
with 8 MHz all this good stuff is simply ..gone
really I was expecting them but I cannot see them,
they should be in the terminal right?
like uO when receiving and uU when transming right?
I cannot see these ones
thanks
On Wed, 2007-09-05 at 16:35 -0700, Matt Ettus wrote:
Vincenzo Pellegrini wrote:
I've just checked, at 4 MHz I can
Hi all,
today I bought a 7200 rpm SATA HD
(a seagate barracuda, as Eric suggested some months ago)
in order to be able to sustain a complex 8Msps flow (32MB/s) towards the
usrp.
Once I formatted it with the XFS filesytem, following Rayan's tip, it
looked like I was getting the appropriate
Matt,
Tonight
I have been recording slices of commercial FM spectrum, all centered
right where a good station transmits,
the first slice was 300Khz wide,
the second was 2MHz
the third was 4MHz
then I sent all these signals to my Hifi FM receiver via the basicTX...
all went fine and I could
Hi everybody,
I guess I'm doing something wrong with how I use my USRP but I really
need someone to confirm that a signal like the one in the attached
picture can be transmitted with USRP+BasicTX (or even another board),
before I dive into finding the mistake.
So Has someone ever verified he's
Hi, Matt
I think I've figured out how to use the Basic Tx for my purposes, thanks
to a functional block schematic contained in the wiki. now I know where
to get my Icos(...)-Qsin(...) signal..
I still need to know however what power it delivers to a 50 (or 75) ohm
load.
What I need to figure
Hi all,
which is the best way to get baseband analogue I/Q signals out of the
USRP?
thanks
vincenzo
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ok Matt,
this is good news.
and I got also another question, what is the default output from Basic
Tx's TX_A, provided that the board is connected to the TXA Slot?
On Thu, 2007-08-30 at 09:59 -0700, Matt Ettus wrote:
Vincenzo Pellegrini wrote:
Hi all,
which is the best way to get
Hi everybody,
where can I find on the basic tx the I and Q channel outputs ?
thanks
vincenzo
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Hello everyone,
I've just installed gnuradio 3.0 via svn (just the way the build guide
suggests for fedora 6),
I noticed that my /usr/local/lib did not contain libgromnithread related
files which were required for building my own sources.
by adding those files manually from my main
Hi Matt,
the filter described for the RFX900
is just present on the rx side right?
The RFX900 comes with a 902-928 MHz ISM-band filter installed for
filtering strong out-of-band signals
the board just allows us to transmit over the full 750 - 1050 MHz range
right?
is a transmitted signal
to this?
the only thing I need is to set up my vector source for feeding the usrp
with samples
thanks Eric
vincenzo
On Tue, 2007-07-24 at 20:38 -0700, Eric Blossom wrote:
On Tue, Jul 24, 2007 at 12:36:10PM +0200, Vincenzo Pellegrini wrote:
thanks Trond,
I went your way, and actually my stream gets
thanks Trond,
I went your way, and actually my stream gets loaded right into the ram
as I wanted..:)
my problem is now that.. doing:
data = fromfile(/root/Desktop/ofdm_encode_1H.dump,
dtype=complex64)
vector_source = gr.vector_source_c(data,True)
hi,
can anyone point me towards some example code using gr-buffer?
I need to read a sample stream from HD (not very fast..)
and afterwards re send it towards the usrp significantly faster (8complex
Msps).
is gr-buffer a good candidate to do this?
thanks
--
Vincenzo Pellegrini
Hi List,
the warning is ok, but once I have realized I've got no problem with it
how do I prevent it from spoiling the continuity of my status
messages? :D
can anyone suggest how to disable it
many thanks
best regards
vincenzo
-
Hi all,
Matt, sorry for bothering, but I cannot recall part of an answer you
gave me.
I'm interested in purchasing a couple of items of that board you're
working upon, the one that transmits in a band including 450-850MHz.
But I need the device to be able to send out a 8 MHz wide OFDM signal,
problems with this,
Achilleas
Vincenzo Pellegrini wrote:
Thanks Achilleas Thanks Eric,
Yes Achilleas, what you have described is right exactly what I need.
the constant permutation is indeed a vector hard coded in my block.
my problem is that I could neither set the step of the cycle
Thanks Achilleas Thanks Eric,
Yes Achilleas, what you have described is right exactly what I need.
the constant permutation is indeed a vector hard coded in my block.
my problem is that I could neither set the step of the cycle
for (int i = 0; i noutput_items; i+= STEP){
as far as 1512, nor
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