Re: [USRP-users] (no subject)

[Dr. Rajesh Tiwari via USRP-users]

HI Michael,

Many thanks for prompt response. I encountered problem in installing module
"gr-ieee802-11" as it seems requiring gnuradio-companion, version 3.8. I am
not able to update my GRC version 3.7 to 3.8. Any suggestion, please let me
know.

Regards
Rajesh

On Fri, Sep 6, 2019 at 5:14 PM Michael Dickens 
wrote:

> Hi Rajesh - The block "OFDM Sync Short" is part of the GR out-of-tree
> (OOT) module "gr-ieee802-11" ... as are many of the other blocks in the
> image you provided. If that OOT is not installed already, it shouldn't be
> difficult to do so. Hope this is useful! - MLD
>
> On Fri, Sep 6, 2019 at 5:10 AM Dr. Rajesh Tiwari via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> Dear All,
>>
>> I am trying to decode IEEE 802.11a OFDM receiver as per GRC block diagram
>> used in Paper "Bloessl et al(2013), An IEEE 802.11a/g/p OFDM Receiver for
>> GNU Radio, SRIF’13, August 12, 2013, Hong Kong, China.". The screenshot of
>> block diagram given below, In GRC, I didn't find "OFDM Sync Short" block,
>> any help would be appreciated.
>>
>> "GRC block diagram from Bloessl et al(2013), An IEEE 802.11a/g/p OFDM
>> Receiver for GNU Radio, SRIF’13, August 12, 2013, Hong Kong, China"
>>
>> Regards
>> Rajesh
>>
>> ___
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>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
>
> --
> Michael Dickens, Mac OS X Programmer
>
> Ettus Research Technical Support
>
> Email: supp...@ettus.com
>
> Web: http://www.ettus.com
>
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Re: [USRP-users] (no subject)

[Ron Economos via USRP-users]

There's a 3.7 version of gr-ieee802-11. In the gr-ieee802-11 directory, 
type:


git checkout maint3.7

Ron

On 9/7/19 03:52, Dr. Rajesh Tiwari via USRP-users wrote:

HI Michael,

Many thanks for prompt response. I encountered problem in installing 
module "gr-ieee802-11" as it seems requiring gnuradio-companion, 
version 3.8. I am not able to update my GRC version 3.7 to 3.8. Any 
suggestion, please let me know.


Regards
Rajesh

On Fri, Sep 6, 2019 at 5:14 PM Michael Dickens 
mailto:michael.dick...@ettus.com>> wrote:


Hi Rajesh - The block "OFDM Sync Short" is part of the GR
out-of-tree (OOT) module "gr-ieee802-11" ... as are many of the
other blocks in the image you provided. If that OOT is not
installed already, it shouldn't be difficult to do so. Hope this
is useful! - MLD

On Fri, Sep 6, 2019 at 5:10 AM Dr. Rajesh Tiwari via USRP-users
mailto:usrp-users@lists.ettus.com>>
wrote:

Dear All,

I am trying to decode IEEE 802.11a OFDM receiver as per GRC
block diagram used in Paper "Bloessl et al(2013), An IEEE
802.11a/g/p OFDM Receiver for GNU Radio, SRIF’13, August 12,
2013, Hong Kong, China.". The screenshot of block diagram
given below, In GRC, I didn't find "OFDM Sync Short" block,
any help would be appreciated.

"GRC block diagram from Bloessl et al(2013), An IEEE
802.11a/g/p OFDM Receiver for GNU Radio, SRIF’13, August 12,
2013, Hong Kong, China"

Regards
Rajesh

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Email: supp...@ettus.com 

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Re: [USRP-users] (no subject)

[Ron Economos via USRP-users]

Opps, should be:

git checkout maint-3.7

Ron

On 9/7/19 04:05, Ron Economos via USRP-users wrote:


There's a 3.7 version of gr-ieee802-11. In the gr-ieee802-11 
directory, type:


git checkout maint3.7

Ron

On 9/7/19 03:52, Dr. Rajesh Tiwari via USRP-users wrote:

HI Michael,

Many thanks for prompt response. I encountered problem in installing 
module "gr-ieee802-11" as it seems requiring gnuradio-companion, 
version 3.8. I am not able to update my GRC version 3.7 to 3.8. Any 
suggestion, please let me know.


Regards
Rajesh

On Fri, Sep 6, 2019 at 5:14 PM Michael Dickens 
mailto:michael.dick...@ettus.com>> wrote:


Hi Rajesh - The block "OFDM Sync Short" is part of the GR
out-of-tree (OOT) module "gr-ieee802-11" ... as are many of the
other blocks in the image you provided. If that OOT is not
installed already, it shouldn't be difficult to do so. Hope this
is useful! - MLD

On Fri, Sep 6, 2019 at 5:10 AM Dr. Rajesh Tiwari via USRP-users
mailto:usrp-users@lists.ettus.com>>
wrote:

Dear All,

I am trying to decode IEEE 802.11a OFDM receiver as per GRC
block diagram used in Paper "Bloessl et al(2013), An IEEE
802.11a/g/p OFDM Receiver for GNU Radio, SRIF’13, August 12,
2013, Hong Kong, China.". The screenshot of block diagram
given below, In GRC, I didn't find "OFDM Sync Short" block,
any help would be appreciated.

"GRC block diagram from Bloessl et al(2013), An IEEE
802.11a/g/p OFDM Receiver for GNU Radio, SRIF’13, August 12,
2013, Hong Kong, China"

Regards
Rajesh

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Web: http://www.ettus.com


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Re: [USRP-users] (no subject)

[Dr. Rajesh Tiwari via USRP-users]

Hi Ron,

Thanks for response. I think I am bit confused here..., I am trying to
install from https://github.com/bastibl/gr-ieee802-11 and I am getting
error.

Regards
Rajesh

On Sat, Sep 7, 2019 at 12:07 PM Ron Economos via USRP-users <
usrp-users@lists.ettus.com> wrote:

> Opps, should be:
>
> git checkout maint-3.7
>
> Ron
> On 9/7/19 04:05, Ron Economos via USRP-users wrote:
>
> There's a 3.7 version of gr-ieee802-11. In the gr-ieee802-11 directory,
> type:
>
> git checkout maint3.7
>
> Ron
> On 9/7/19 03:52, Dr. Rajesh Tiwari via USRP-users wrote:
>
> HI Michael,
>
> Many thanks for prompt response. I encountered problem in installing
> module "gr-ieee802-11" as it seems requiring gnuradio-companion, version
> 3.8. I am not able to update my GRC version 3.7 to 3.8. Any suggestion,
> please let me know.
>
> Regards
> Rajesh
>
> On Fri, Sep 6, 2019 at 5:14 PM Michael Dickens 
> wrote:
>
>> Hi Rajesh - The block "OFDM Sync Short" is part of the GR out-of-tree
>> (OOT) module "gr-ieee802-11" ... as are many of the other blocks in the
>> image you provided. If that OOT is not installed already, it shouldn't be
>> difficult to do so. Hope this is useful! - MLD
>>
>> On Fri, Sep 6, 2019 at 5:10 AM Dr. Rajesh Tiwari via USRP-users <
>> usrp-users@lists.ettus.com> wrote:
>>
>>> Dear All,
>>>
>>> I am trying to decode IEEE 802.11a OFDM receiver as per GRC block
>>> diagram used in Paper "Bloessl et al(2013), An IEEE 802.11a/g/p OFDM
>>> Receiver for GNU Radio, SRIF’13, August 12, 2013, Hong Kong, China.". The
>>> screenshot of block diagram given below, In GRC, I didn't find "OFDM Sync
>>> Short" block, any help would be appreciated.
>>>
>>> "GRC block diagram from Bloessl et al(2013), An IEEE 802.11a/g/p OFDM
>>> Receiver for GNU Radio, SRIF’13, August 12, 2013, Hong Kong, China"
>>>
>>> Regards
>>> Rajesh
>>>
>>> ___
>>> USRP-users mailing list
>>> USRP-users@lists.ettus.com
>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>>
>>
>> --
>> Michael Dickens, Mac OS X Programmer
>>
>> Ettus Research Technical Support
>>
>> Email: supp...@ettus.com
>>
>> Web: http://www.ettus.com
>>
>
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>
>
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>
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Re: [USRP-users] (no subject)

[Ron Economos via USRP-users]

Okay, here's the complete set of instructions.

git clone https://github.com/bastibl/gr-ieee802-11.git

cd gr-ieee802-11/

git checkout maint-3.7

mkdir build

cd build

cmake ../

make

sudo make install

sudo ldconfig

Make sure you use the correct install prefix in the cmake step. You can 
determine the install prefix with:


gnuradio-config-info --prefix

cmake ../ will install into the default prefix, which is usr/local. If 
you have any other prefix, you need to specify that with the cmake 
command. For example:


cmake -DCMAKE_INSTALL_PREFIX=/usr ../

Ron

On 9/7/19 05:36, Dr. Rajesh Tiwari wrote:

Hi Ron,

Thanks for response. I think I am bit confused here..., I am trying to 
install from https://github.com/bastibl/gr-ieee802-11 and I am getting 
error.


Regards
Rajesh

On Sat, Sep 7, 2019 at 12:07 PM Ron Economos via USRP-users 
mailto:usrp-users@lists.ettus.com>> wrote:


Opps, should be:

git checkout maint-3.7

Ron

On 9/7/19 04:05, Ron Economos via USRP-users wrote:


There's a 3.7 version of gr-ieee802-11. In the gr-ieee802-11
directory, type:

git checkout maint3.7

Ron

On 9/7/19 03:52, Dr. Rajesh Tiwari via USRP-users wrote:

HI Michael,

Many thanks for prompt response. I encountered problem in
installing module "gr-ieee802-11" as it seems requiring
gnuradio-companion, version 3.8. I am not able to update my GRC
version 3.7 to 3.8. Any suggestion, please let me know.

Regards
Rajesh

On Fri, Sep 6, 2019 at 5:14 PM Michael Dickens
mailto:michael.dick...@ettus.com>>
wrote:

Hi Rajesh - The block "OFDM Sync Short" is part of the GR
out-of-tree (OOT) module "gr-ieee802-11" ... as are many of
the other blocks in the image you provided. If that OOT is
not installed already, it shouldn't be difficult to do so.
Hope this is useful! - MLD

On Fri, Sep 6, 2019 at 5:10 AM Dr. Rajesh Tiwari via
USRP-users mailto:usrp-users@lists.ettus.com>> wrote:

Dear All,

I am trying to decode IEEE 802.11a OFDM receiver as per
GRC block diagram used in Paper "Bloessl et al(2013), An
IEEE 802.11a/g/p OFDM Receiver for GNU Radio, SRIF’13,
August 12, 2013, Hong Kong, China.". The screenshot of
block diagram given below, In GRC, I didn't find "OFDM
Sync Short" block, any help would be appreciated.

"GRC block diagram from Bloessl et al(2013), An IEEE
802.11a/g/p OFDM Receiver for GNU Radio, SRIF’13, August
12, 2013, Hong Kong, China"

Regards
Rajesh

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Email: supp...@ettus.com 

Web: http://www.ettus.com


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Re: [USRP-users] Addsub HLS Block Error

[d.des via USRP-users]

I wonder if you have successfully used this block with grc or if you
were just using it with uhd. When I try to use the 2-input, 1-output
block in grc I get: "RuntimeError: Invalid stream args." this looks
like same issue as 
http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2018-August/057702.html
and the solution at that time seemed to be to keep the second port so
as not to confuse the streamer.

In case I'm doing something dumb in the xml, here are the files I
created for uhd and grc:




  addonly
  addonly
  
41253002
  
  

  in0


  in1


  out

  






  RFNoC: addonly
  dave_addonly
  import ettus
  ettus.rfnoc_generic(
self.device3,
uhd.stream_args( \# TX Stream Args
cpu_format="$type", \# TODO: This must be made an option
otw_format="sc16",
channels=(0,1),
args="align=1",
),
uhd.stream_args( \# RX Stream Args
cpu_format="$type",
otw_format="sc16",
channels=(0,1),
args="align=1",
),
"addonly", $block_index, $device_index,
)

  
Host Data Type
type
enum

  Complex float32
  fc32
  type:fc32


  Complex int16
  sc16
  type:sc16

  

  
dcovariance Select
block_index
-1
int
#if int($block_index()) < 0 then 'part' else
'none'#
RFNoC Config
  
  
Device Select
device_index
-1
int
#if int($device_index()) < 0 then 'part' else
'none'#
RFNoC Config
  

  
FPGA Module Name
fpga_module_name
noc_block_dcovariance
string
all
RFNoC Config
  

  
in
$type.type
rfnoc
2
  

  
out
$type.type
rfnoc
  



The messages just before the error are:
[DEBUG] [DEVICE3] Port 0x20: Found NoC-Block with ID 41253002.
[DEBUG] [RFNOC] Reading XML file
/home/root/localinstall/usr/share/uhd/rfnoc/blocks/addonly.xml for NOC
ID 0x41253002
[DEBUG] [E300] [E300] Setting up dest map for host ep 35 to be stream 3

[TRACE] [RFNOC] [RFNoC Factory] block_ctrl_base::make()
[DEBUG] [RFNOC] Reading XML file
/home/root/localinstall/usr/share/uhd/rfnoc/blocks/addonly.xml for NOC
ID 0x41253002
[WARNING] [RFNOC] Can't find a block controller for key addonly, using
default block controller!
[TRACE] [RFNOC] [RFNoC Factory] Using controller key 'Block' and block
name 'addonly'
[DEBUG] [RFNOC] Reading XML file
/home/root/localinstall/usr/share/uhd/rfnoc/blocks/addonly.xml for NOC
ID 0x41253002
[INFO] [0/dcorrelate_0] Initializing block control (NOC ID:
0x41253002)
[DEBUG] [0/dcorrelate_0] Checking compat number for FPGA component
`noc_shell': Expecting 5.1, actual: 5.1.
[TRACE] [0/addonly_0] Adding port definition at
xbar/dcorrelate_0/ports/in/0: type = '' pkt_size = '0' vlen = '0'
[TRACE] [0/addonly_0] Adding port definition at
xbar/dcorrelate_0/ports/in/1: type = '' pkt_size = '0' vlen = '0'
[TRACE] [0/addonly_0] Adding port definition at
xbar/addonly_0/ports/out/0: type = '' pkt_size = '0' vlen = '0'
[DEBUG] [E300] [E300] Setting up dest map for host ep 36 to be stream 4

:

:
[DEBUG] [E300] Actually got clock rate 10 MHz

[DEBUG] [CORES] Performing timer loopback test... 
[DEBUG] [CORES] Timer loopback test passed.
[TRACE] [RFNOC] e3xx_radio_ctrl_impl::_update_enables() 

[TRACE] [RFNOC] e3xx_radio_ctrl_impl::_update_gpio_state() 

Traceback (most recent call last):
  File "./dave_addonly_usrp.py", line 169, in 
main()
  File "./dave_addonly_usrp.py", line 158, in main
tb = top_block_cls()
  File "./dave_addonly_usrp.py", line 94, in __init__
"addonly", -1, -1,
  File "/home/root/localinstall/usr/lib/python2.7/site-
packages/ettus/ettus_swig.py", line 3270, in make
return _ettus_swig.rfnoc_generic_make(*args, **kwargs)
RuntimeError: Invalid stream args.

It never gets to the part where it attempts to connect ports together. 


The line in the Python launcher that generates the error is:

self.dave_addonly_0 = ettus.rfnoc_generic(
self.device3,
uhd.stream_args( # TX Stream Args
cpu_format="fc32", # TODO: This must be made an option
otw_format="sc16",
channels=(0,1),
args="align=1",
),
uhd.stream_args( # RX Stream Args
cpu_format="fc32",
otw_format="sc16",
channels=(0,1),
args="align=1",
),
"addonly", -1, -1,
)


Maybe a custom block controller would help? Or maybe if it works in UHD
but not Gnuradio I could push the same data over TCP and still use the
nice Gnuradio plotting on the host side? 


On Fri, 2019-09-06 at 15:26 -0700, Nick Foster wrote:
> Here's a modified add-only block. You'll have to make a matching .xml
> descriptor and GRC block (if you're using gr-ettus).
> 
> Probably it would be a super useful thing to have an add/sub block,
> instead of an addsub block. A register-controlled mux to selec

Re: [USRP-users] (no subject)

[Michael Dickens via USRP-users]

Hi Rajesh - CMake found your GR38 install, not your GR37 install. You
should pick GR37 or GR38 and go with just it, and remove the one you're not
going with. Then, pick the same branch of gr-ieee802-11. Hope this is
useful! - MLD

On Sat, Sep 7, 2019 at 9:47 AM Dr. Rajesh Tiwari via USRP-users <
usrp-users@lists.ettus.com> wrote:

> Hi Ron,
>
> Sounds good, seems a bit progress.
> I think other than Cmake policy, attached in screenshot I am almost there.
> Do you think I would need any other requirements?
>
> Regards
> Rajesh
>
>
> On Sat, Sep 7, 2019 at 2:06 PM Ron Economos via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> Okay, here's the complete set of instructions.
>>
>> git clone https://github.com/bastibl/gr-ieee802-11.git
>>
>> cd gr-ieee802-11/
>>
>> git checkout maint-3.7
>>
>> mkdir build
>>
>> cd build
>>
>> cmake ../
>>
>> make
>>
>> sudo make install
>>
>> sudo ldconfig
>>
>> Make sure you use the correct install prefix in the cmake step. You can
>> determine the install prefix with:
>>
>> gnuradio-config-info --prefix
>>
>> cmake ../ will install into the default prefix, which is usr/local. If
>> you have any other prefix, you need to specify that with the cmake command.
>> For example:
>>
>> cmake -DCMAKE_INSTALL_PREFIX=/usr ../
>>
>> Ron
>> On 9/7/19 05:36, Dr. Rajesh Tiwari wrote:
>>
>> Hi Ron,
>>
>> Thanks for response. I think I am bit confused here..., I am trying to
>> install from https://github.com/bastibl/gr-ieee802-11 and I am getting
>> error.
>>
>> Regards
>> Rajesh
>>
>> On Sat, Sep 7, 2019 at 12:07 PM Ron Economos via USRP-users <
>> usrp-users@lists.ettus.com> wrote:
>>
>>> Opps, should be:
>>>
>>> git checkout maint-3.7
>>>
>>> Ron
>>> On 9/7/19 04:05, Ron Economos via USRP-users wrote:
>>>
>>> There's a 3.7 version of gr-ieee802-11. In the gr-ieee802-11 directory,
>>> type:
>>>
>>> git checkout maint3.7
>>>
>>> Ron
>>> On 9/7/19 03:52, Dr. Rajesh Tiwari via USRP-users wrote:
>>>
>>> HI Michael,
>>>
>>> Many thanks for prompt response. I encountered problem in installing
>>> module "gr-ieee802-11" as it seems requiring gnuradio-companion, version
>>> 3.8. I am not able to update my GRC version 3.7 to 3.8. Any suggestion,
>>> please let me know.
>>>
>>> Regards
>>> Rajesh
>>>
>>> On Fri, Sep 6, 2019 at 5:14 PM Michael Dickens <
>>> michael.dick...@ettus.com> wrote:
>>>
 Hi Rajesh - The block "OFDM Sync Short" is part of the GR out-of-tree
 (OOT) module "gr-ieee802-11" ... as are many of the other blocks in the
 image you provided. If that OOT is not installed already, it shouldn't be
 difficult to do so. Hope this is useful! - MLD

 On Fri, Sep 6, 2019 at 5:10 AM Dr. Rajesh Tiwari via USRP-users <
 usrp-users@lists.ettus.com> wrote:

> Dear All,
>
> I am trying to decode IEEE 802.11a OFDM receiver as per GRC block
> diagram used in Paper "Bloessl et al(2013), An IEEE 802.11a/g/p OFDM
> Receiver for GNU Radio, SRIF’13, August 12, 2013, Hong Kong, China.". The
> screenshot of block diagram given below, In GRC, I didn't find "OFDM Sync
> Short" block, any help would be appreciated.
>
> "GRC block diagram from Bloessl et al(2013), An IEEE 802.11a/g/p OFDM
> Receiver for GNU Radio, SRIF’13, August 12, 2013, Hong Kong, China"
>
> Regards
> Rajesh
>
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>

 --
 Michael Dickens, Mac OS X Programmer

 Ettus Research Technical Support

 Email: supp...@ettus.com

 Web: http://www.ettus.com

>>>
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Re: [USRP-users] (no subject)

[Dr. Rajesh Tiwari via USRP-users]

Thanks Michael,

I removed and tried to install properly gnuradio, and I get the following
test fail.
97% tests passed, 10 tests failed out of 364

Total Test time (real) = 237.56 sec

The following tests FAILED:
243 - qa_polar_decoder_sc (Failed)
244 - qa_polar_decoder_sc_list (Failed)
245 - qa_polar_decoder_sc_systematic (Failed)
246 - qa_polar_encoder (Failed)
247 - qa_polar_encoder_systematic (Failed)
360 - qa_zeromq_pub (Failed)
361 - qa_zeromq_pubsub (Failed)
362 - qa_zeromq_pushpull (Failed)
363 - qa_zeromq_reqrep (Failed)
364 - qa_zeromq_sub (Failed)
Errors while running CTest
Makefile:107: recipe for target 'test' failed
make: *** [test] Error 8

Any suggestion please. I tried to see some of the previous thread and
suggested to install python-scipy which I did and sounds I have newest
version. Please see below:
python-scipy is already the newest version (0.17.0-1).
The following packages were automatically installed and are no longer
required:
  libcodec2-0.4 libcppunit-1.13-0v5 libcppunit-dev libglade2-0 libglfw3
libgnuradio-analog3.7.9 libgnuradio-atsc3.7.9
  libgnuradio-channels3.7.9 libgnuradio-comedi3.7.9
libgnuradio-digital3.7.9 libgnuradio-dtv3.7.9 libgnuradio-fec3.7.9
libgnuradio-fft3.7.9
  libgnuradio-filter3.7.9 libgnuradio-fosphor3.7.0 libgnuradio-noaa3.7.9
libgnuradio-pager3.7.9 libgnuradio-qtgui3.7.9
  libgnuradio-trellis3.7.9 libgnuradio-video-sdl3.7.9
libgnuradio-vocoder3.7.9 libgnuradio-wavelet3.7.9 libgnuradio-wxgui3.7.9
  libgnuradio-zeromq3.7.9 libgsm1 libjs-jquery-ui libpython3-dev
libpython3.5-dev libqwt-dev libqwt5-qt4 libqwt6abi1 libwxbase3.0-0v5
  libwxgtk3.0-0v5 python-bs4 python-cairo python-cheetah python-cycler
python-dateutil python-glade2 python-gtk2 python-html5lib python-lxml
  python-matplotlib python-matplotlib-data python-networkx python-opengl
python-pyparsing python-qwt5-qt4 python-tz python-wxgtk3.0
  python-wxversion python-yaml python3.5-dev rtl-sdr uhd-host
Use 'sudo apt autoremove' to remove them.
0 to upgrade, 0 to newly install, 0 to remove and 171 not to upgrade.

Regards
Rajesh

On Sat, Sep 7, 2019 at 7:46 PM Michael Dickens 
wrote:

> Hi Rajesh - CMake found your GR38 install, not your GR37 install. You
> should pick GR37 or GR38 and go with just it, and remove the one you're not
> going with. Then, pick the same branch of gr-ieee802-11. Hope this is
> useful! - MLD
>
> On Sat, Sep 7, 2019 at 9:47 AM Dr. Rajesh Tiwari via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> Hi Ron,
>>
>> Sounds good, seems a bit progress.
>> I think other than Cmake policy, attached in screenshot I am almost
>> there. Do you think I would need any other requirements?
>>
>> Regards
>> Rajesh
>>
>>
>> On Sat, Sep 7, 2019 at 2:06 PM Ron Economos via USRP-users <
>> usrp-users@lists.ettus.com> wrote:
>>
>>> Okay, here's the complete set of instructions.
>>>
>>> git clone https://github.com/bastibl/gr-ieee802-11.git
>>>
>>> cd gr-ieee802-11/
>>>
>>> git checkout maint-3.7
>>>
>>> mkdir build
>>>
>>> cd build
>>>
>>> cmake ../
>>>
>>> make
>>>
>>> sudo make install
>>>
>>> sudo ldconfig
>>>
>>> Make sure you use the correct install prefix in the cmake step. You can
>>> determine the install prefix with:
>>>
>>> gnuradio-config-info --prefix
>>>
>>> cmake ../ will install into the default prefix, which is usr/local. If
>>> you have any other prefix, you need to specify that with the cmake command.
>>> For example:
>>>
>>> cmake -DCMAKE_INSTALL_PREFIX=/usr ../
>>>
>>> Ron
>>> On 9/7/19 05:36, Dr. Rajesh Tiwari wrote:
>>>
>>> Hi Ron,
>>>
>>> Thanks for response. I think I am bit confused here..., I am trying to
>>> install from https://github.com/bastibl/gr-ieee802-11 and I am getting
>>> error.
>>>
>>> Regards
>>> Rajesh
>>>
>>> On Sat, Sep 7, 2019 at 12:07 PM Ron Economos via USRP-users <
>>> usrp-users@lists.ettus.com> wrote:
>>>
 Opps, should be:

 git checkout maint-3.7

 Ron
 On 9/7/19 04:05, Ron Economos via USRP-users wrote:

 There's a 3.7 version of gr-ieee802-11. In the gr-ieee802-11 directory,
 type:

 git checkout maint3.7

 Ron
 On 9/7/19 03:52, Dr. Rajesh Tiwari via USRP-users wrote:

 HI Michael,

 Many thanks for prompt response. I encountered problem in installing
 module "gr-ieee802-11" as it seems requiring gnuradio-companion, version
 3.8. I am not able to update my GRC version 3.7 to 3.8. Any suggestion,
 please let me know.

 Regards
 Rajesh

 On Fri, Sep 6, 2019 at 5:14 PM Michael Dickens <
 michael.dick...@ettus.com> wrote:

> Hi Rajesh - The block "OFDM Sync Short" is part of the GR out-of-tree
> (OOT) module "gr-ieee802-11" ... as are many of the other blocks in the
> image you provided. If that OOT is not installed already, it shouldn't be
> difficult to do so. Hope this is useful! - MLD
>
> On Fri, Sep 6, 2019 at 5:10 AM Dr. Rajesh Tiwari via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> Dear