Re: [Discuss-gnuradio] [EXT] Re: Need support for USRP2

2019-04-02 Thread Chesir, Aaron M. 
When I generate a known good signal in the ISM band (902 MHz), I can use any 
other receiver with GRC and a good spectrum will be displayed. When I use the 
USRP2 with GRC, to receive and characterize energy , GRC offers no complaints, 
but GRC indicates no reception of any signal energy.

From: Discuss-gnuradio  On 
Behalf Of Marcus D. Leech
Sent: Tuesday, April 2, 2019 9:06 AM
To: discuss-gnuradio@gnu.org
Subject: [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote:
Folks,

Apparently the USRP2 is no longer supported by GNUradio Companion.

Do any of you have the source files that would allow one to use gr_modtool to 
build a GRC block for the USRP2: One to transmit and one to receive?

Thanks,

Aaron

That isn't true.  You can even still use USRP1 with Gnu Radio.




From: Discuss-gnuradio 

 On Behalf Of Neel Pandeya
Sent: Saturday, March 16, 2019 10:37 PM
To: krist...@skypro.be
Cc: GNURadio Discussion List 

Subject: [EXT] Re: [Discuss-gnuradio] forum to learn more about 
signal-processing and SDR ?

Hello Kristoff:

These pages have links to resources that might be helpful to you.

https://kb.ettus.com/Suggested_Videos

https://kb.ettus.com/Suggested_Reading

--Neel Pandeya




On Sat, 16 Mar 2019 at 21:01, Ali Dormiani 
mailto:sdorm...@eng.ucsd.edu>> wrote:
This book is also a great starting point and reference.

Digital Signal Processing by Oppenheim and Schafer

Also, here is a fun visual way of getting an alternative understanding of 
Fourier transforms.

https://www.youtube.com/watch?v=spUNpyF58BY

Have fun,

Ali

On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö 
mailto:albin.st...@gmail.com>> wrote:
This book is a very good starting point:

http://www.dspguide.com

dsp.stackexchange.com is a good place for 
questions.

Good luck.

Albin SM6WJM

On Sat, Mar 16, 2019, 22:20 Kristoff 
mailto:krist...@skypro.be>> wrote:
Hi,


One of the reasons I am currently using GNU Radio is to learn more about
signal-processing and SDR.

As the "discuss-gnuradio" list is about gnuradio itself, what would be a
good mailing-list, newsgroup or forum to ask more generic questions
about signal-processing?




Kristoff (ON1ARF)


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Re: [Discuss-gnuradio] [EXT] Re: Need support for USRP2

2019-04-02 Thread Marcus D. Leech 

On 04/02/2019 09:20 AM, Chesir, Aaron M. wrote:


When I generate a known good signal in the ISM band (902 MHz), I can 
use any other receiver with GRC and a good spectrum will be displayed. 
When I use the USRP2 with GRC, to receive and characterize energy , 
GRC offers no complaints, but GRC indicates no reception of any signal 
energy.



What daughtercard do you have installed?  What gain setting are you using?


*From:*Discuss-gnuradio 
 *On Behalf Of 
*Marcus D. Leech

*Sent:* Tuesday, April 2, 2019 9:06 AM
*To:* discuss-gnuradio@gnu.org
*Subject:* [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote:

Folks,

Apparently the USRP2 is no longer supported by GNUradio Companion.

Do any of you have the source files that would allow one to use
gr_modtool to build a GRC block for the USRP2: One to transmit and
one to receive?

Thanks,

Aaron

That isn't true.  You can even still use USRP1 with Gnu Radio.



*From:* Discuss-gnuradio

 *On
Behalf Of *Neel Pandeya
*Sent:* Saturday, March 16, 2019 10:37 PM
*To:* krist...@skypro.be 
*Cc:* GNURadio Discussion List 

*Subject:* [EXT] Re: [Discuss-gnuradio] forum to learn more about
signal-processing and SDR ?

Hello Kristoff:

These pages have links to resources that might be helpful to you.

https://kb.ettus.com/Suggested_Videos

https://kb.ettus.com/Suggested_Reading

--Neel Pandeya

On Sat, 16 Mar 2019 at 21:01, Ali Dormiani mailto:sdorm...@eng.ucsd.edu>> wrote:

This book is also a great starting point and reference.

Digital Signal Processing by Oppenheim and Schafer

Also, here is a fun visual way of getting an alternative
understanding of Fourier transforms.

https://www.youtube.com/watch?v=spUNpyF58BY

Have fun,

Ali

On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö
mailto:albin.st...@gmail.com>> wrote:

This book is a very good starting point:

http://www.dspguide.com

dsp.stackexchange.com  is a
good place for questions.

Good luck.

Albin SM6WJM

On Sat, Mar 16, 2019, 22:20 Kristoff mailto:krist...@skypro.be>> wrote:

Hi,


One of the reasons I am currently using GNU Radio is
to learn more about
signal-processing and SDR.

As the "discuss-gnuradio" list is about gnuradio
itself, what would be a
good mailing-list, newsgroup or forum to ask more
generic questions
about signal-processing?




Kristoff (ON1ARF)


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Re: [Discuss-gnuradio] [EXT] Re: Need support for USRP2

2019-04-02 Thread Chesir, Aaron M. 
Marcus,

I mis-spoke: I am using a common *receiver* application, and I am comparing the 
received spectrum when using either the N21 or the USRP2 as the transmitter.

Attached are the screen shots of the parameters of the UHD USRP Sink block, 
which is common when using either of the two boxes to transmit (other than the 
IP address).

Attached also are the results of executing "uhd_usrp_probe" for each of the two 
boxes.

I do not understand why I am seeing a healthy spectrum when receiving from the 
N210 transmitter, but nothing when receiving from the USRP2 transmitter.

Help.

Thanks,

Aaron


From: Marcus D. Leech 
Sent: Tuesday, April 2, 2019 9:34 AM
To: Chesir, Aaron M. ; discuss-gnuradio@gnu.org
Subject: Re: [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:20 AM, Chesir, Aaron M. wrote:
When I generate a known good signal in the ISM band (902 MHz), I can use any 
other receiver with GRC and a good spectrum will be displayed. When I use the 
USRP2 with GRC, to receive and characterize energy , GRC offers no complaints, 
but GRC indicates no reception of any signal energy.
What daughtercard do you have installed?  What gain setting are you using?




From: Discuss-gnuradio 

 On Behalf Of Marcus D. Leech
Sent: Tuesday, April 2, 2019 9:06 AM
To: discuss-gnuradio@gnu.org
Subject: [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote:
Folks,

Apparently the USRP2 is no longer supported by GNUradio Companion.

Do any of you have the source files that would allow one to use gr_modtool to 
build a GRC block for the USRP2: One to transmit and one to receive?

Thanks,

Aaron

That isn't true.  You can even still use USRP1 with Gnu Radio.





From: Discuss-gnuradio 

 On Behalf Of Neel Pandeya
Sent: Saturday, March 16, 2019 10:37 PM
To: krist...@skypro.be
Cc: GNURadio Discussion List 

Subject: [EXT] Re: [Discuss-gnuradio] forum to learn more about 
signal-processing and SDR ?

Hello Kristoff:

These pages have links to resources that might be helpful to you.

https://kb.ettus.com/Suggested_Videos

https://kb.ettus.com/Suggested_Reading

--Neel Pandeya




On Sat, 16 Mar 2019 at 21:01, Ali Dormiani 
mailto:sdorm...@eng.ucsd.edu>> wrote:
This book is also a great starting point and reference.

Digital Signal Processing by Oppenheim and Schafer

Also, here is a fun visual way of getting an alternative understanding of 
Fourier transforms.

https://www.youtube.com/watch?v=spUNpyF58BY

Have fun,

Ali

On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö 
mailto:albin.st...@gmail.com>> wrote:
This book is a very good starting point:

http://www.dspguide.com

dsp.stackexchange.com is a good place for 
questions.

Good luck.

Albin SM6WJM

On Sat, Mar 16, 2019, 22:20 Kristoff 
mailto:krist...@skypro.be>> wrote:
Hi,


One of the reasons I am currently using GNU Radio is to learn more about
signal-processing and SDR.

As the "discuss-gnuradio" list is about gnuradio itself, what would be a
good mailing-list, newsgroup or forum to ask more generic questions
about signal-processing?




Kristoff (ON1ARF)


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linux; GNU C++ version 4.8.5 20150623 (Red Hat 4.8.5-16); Boost_105300; 
UHD_003.010.001.000-0-unknown

-- Opening a USRP2/N-Series device...
-- Current recv frame size: 1472 bytes
-- Current send frame size: 1472 bytes
  _
 /
|   Device: USRP2 / N-Series Device
| _
|/
|   |   Mboard: USRP2 r4
|   |   hardware: 1024
|   |   mac-addr: 00:50:c2:85:35:d3
|   |   ip-addr: 255.255.255.255
|   |   subnet: 255.255.255.255
|   |   gateway: 255.255.255.255
|   |   gpsdo: none
|   |   serial: 1491
|   |   FW Version: 12.4
|   |   FPGA Version: 10.1
|   |   
|   |   Time sources:  none, external, _external_, mimo
|   |   Clock sources: internal, external, mimo
|   |   Sensors: mimo_locked, ref_locked
|   | __

Re: [Discuss-gnuradio] [EXT] Re: Need support for USRP2

2019-04-02 Thread Marcus D. Leech 

On 04/02/2019 10:04 AM, Chesir, Aaron M. wrote:


Marcus,

I mis-spoke: I am using a common **receiver** application, and I am 
comparing the received spectrum when using either the N21 or the USRP2 
as the transmitter.


Attached are the screen shots of the parameters of the UHD USRP Sink 
block, which is common when using either of the two boxes to transmit 
(other than the IP address).


Attached also are the results of executing “uhd_usrp_probe” for each 
of the two boxes.


I do not understand why I am seeing a healthy spectrum when receiving 
from the N210 transmitter, but nothing when receiving from the USRP2 
transmitter.


Help.

Thanks,

Aaron

You could try swapping the WBX cards between platforms, to see if it's a 
hardware issue.




*From:*Marcus D. Leech 
*Sent:* Tuesday, April 2, 2019 9:34 AM
*To:* Chesir, Aaron M. ; discuss-gnuradio@gnu.org
*Subject:* Re: [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:20 AM, Chesir, Aaron M. wrote:

When I generate a known good signal in the ISM band (902 MHz), I
can use any other receiver with GRC and a good spectrum will be
displayed. When I use the USRP2 with GRC, to receive and
characterize energy , GRC offers no complaints, but GRC indicates
no reception of any signal energy.

What daughtercard do you have installed? What gain setting are you using?



*From:*Discuss-gnuradio

 *On
Behalf Of *Marcus D. Leech
*Sent:* Tuesday, April 2, 2019 9:06 AM
*To:* discuss-gnuradio@gnu.org 
*Subject:* [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote:

Folks,

Apparently the USRP2 is no longer supported by GNUradio Companion.

Do any of you have the source files that would allow one to
use gr_modtool to build a GRC block for the USRP2: One to
transmit and one to receive?

Thanks,

Aaron

That isn't true.  You can even still use USRP1 with Gnu Radio.




*From:* Discuss-gnuradio


*On Behalf Of *Neel Pandeya
*Sent:* Saturday, March 16, 2019 10:37 PM
*To:* krist...@skypro.be 
*Cc:* GNURadio Discussion List 

*Subject:* [EXT] Re: [Discuss-gnuradio] forum to learn more
about signal-processing and SDR ?

Hello Kristoff:

These pages have links to resources that might be helpful to you.

https://kb.ettus.com/Suggested_Videos

https://kb.ettus.com/Suggested_Reading

--Neel Pandeya

On Sat, 16 Mar 2019 at 21:01, Ali Dormiani
mailto:sdorm...@eng.ucsd.edu>> wrote:

This book is also a great starting point and reference.

Digital Signal Processing by Oppenheim and Schafer

Also, here is a fun visual way of getting an alternative
understanding of Fourier transforms.

https://www.youtube.com/watch?v=spUNpyF58BY

Have fun,

Ali

On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö
mailto:albin.st...@gmail.com>> wrote:

This book is a very good starting point:

http://www.dspguide.com

dsp.stackexchange.com 
is a good place for questions.

Good luck.

Albin SM6WJM

On Sat, Mar 16, 2019, 22:20 Kristoff
mailto:krist...@skypro.be>> wrote:

Hi,


One of the reasons I am currently using GNU Radio
is to learn more about
signal-processing and SDR.

As the "discuss-gnuradio" list is about gnuradio
itself, what would be a
good mailing-list, newsgroup or forum to ask more
generic questions
about signal-processing?




Kristoff (ON1ARF)


___
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Discuss-gnuradio@gnu.org

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___
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Re: [Discuss-gnuradio] [EXT] Re: Need support for USRP2

2019-04-02 Thread Johannes Demel 
Hi Chesir,

I saw similar behavior with very recent X310s with UBX daughterboards. 
It did help to revert to an earlier UHD version [0]. Maybe the issue is 
related. Maybe it is not.

Cheers
Johannes

[0] https://github.com/EttusResearch/uhd/issues/257

Am 02.04.19 um 16:04 schrieb Chesir, Aaron M.:
> Marcus,
> 
> I mis-spoke: I am using a common **receiver** application, and I am 
> comparing the received spectrum when using either the N21 or the USRP2 
> as the transmitter.
> 
> Attached are the screen shots of the parameters of the UHD USRP Sink 
> block, which is common when using either of the two boxes to transmit 
> (other than the IP address).
> 
> Attached also are the results of executing “uhd_usrp_probe” for each of 
> the two boxes.
> 
> I do not understand why I am seeing a healthy spectrum when receiving 
> from the N210 transmitter, but nothing when receiving from the USRP2 
> transmitter.
> 
> Help.
> 
> Thanks,
> 
> Aaron
> 
> *From:*Marcus D. Leech 
> *Sent:* Tuesday, April 2, 2019 9:34 AM
> *To:* Chesir, Aaron M. ; discuss-gnuradio@gnu.org
> *Subject:* Re: [EXT] Re: [Discuss-gnuradio] Need support for USRP2
> 
> On 04/02/2019 09:20 AM, Chesir, Aaron M. wrote:
> 
> When I generate a known good signal in the ISM band (902 MHz), I can
> use any other receiver with GRC and a good spectrum will be
> displayed. When I use the USRP2 with GRC, to receive and
> characterize energy , GRC offers no complaints, but GRC indicates no
> reception of any signal energy.
> 
> What daughtercard do you have installed?  What gain setting are you using?
> 
> 
> 
> *From:*Discuss-gnuradio
> 
>  *On
> Behalf Of *Marcus D. Leech
> *Sent:* Tuesday, April 2, 2019 9:06 AM
> *To:* discuss-gnuradio@gnu.org 
> *Subject:* [EXT] Re: [Discuss-gnuradio] Need support for USRP2
> 
> On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote:
> 
> Folks,
> 
> Apparently the USRP2 is no longer supported by GNUradio Companion.
> 
> Do any of you have the source files that would allow one to use
> gr_modtool to build a GRC block for the USRP2: One to transmit
> and one to receive?
> 
> Thanks,
> 
> Aaron
> 
> That isn't true.  You can even still use USRP1 with Gnu Radio.
> 
> 
> 
> 
> *From:* Discuss-gnuradio
> 
>  *On
> Behalf Of *Neel Pandeya
> *Sent:* Saturday, March 16, 2019 10:37 PM
> *To:* krist...@skypro.be 
> *Cc:* GNURadio Discussion List 
> 
> *Subject:* [EXT] Re: [Discuss-gnuradio] forum to learn more
> about signal-processing and SDR ?
> 
> Hello Kristoff:
> 
> These pages have links to resources that might be helpful to you.
> 
> https://kb.ettus.com/Suggested_Videos
> 
> https://kb.ettus.com/Suggested_Reading
> 
> --Neel Pandeya
> 
> On Sat, 16 Mar 2019 at 21:01, Ali Dormiani
> mailto:sdorm...@eng.ucsd.edu>> wrote:
> 
> This book is also a great starting point and reference.
> 
> Digital Signal Processing by Oppenheim and Schafer
> 
> Also, here is a fun visual way of getting an alternative
> understanding of Fourier transforms.
> 
> https://www.youtube.com/watch?v=spUNpyF58BY
> 
> Have fun,
> 
> Ali
> 
> On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö
> mailto:albin.st...@gmail.com>> wrote:
> 
> This book is a very good starting point:
> 
> http://www.dspguide.com
> 
> dsp.stackexchange.com  is
> a good place for questions.
> 
> Good luck.
> 
> Albin SM6WJM
> 
> On Sat, Mar 16, 2019, 22:20 Kristoff  > wrote:
> 
> Hi,
> 
> 
> One of the reasons I am currently using GNU Radio is
> to learn more about
> signal-processing and SDR.
> 
> As the "discuss-gnuradio" list is about gnuradio
> itself, what would be a
> good mailing-list, newsgroup or forum to ask more
> generic questions
> about signal-processing?
> 
> 
> 
> 
> Kristoff (ON1ARF)
> 
> 
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