Re: [Discuss-gnuradio] adapt the MAC of the gr-ieee802.11

[Steve Joumessi Demeffo]

I want to build a LiFi test bench by implementing the old PHY 802.11 IR layer specification (PPM-4 modulation, FEC, header) and a CSMA MAC layer without Ack and then split the MAC between SDR and FPGA to improve performance.  

I would like to start from the project gr-ieee802.11 for the construction of the MAC, but it is built for the PHY OFDM 802.11 a / b standard.

I want to know which blocks I have to modify to adapt the MAC to my project. I am also looking for source code documentation.
Thanks for your help.

Best regards

Steve JOUMESSI DEMEFFO

 

Le 2018-10-25 18:00, address@hidden a écrit :

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>    1. Re: Simulation to compute BER of a Modulator/Demodulator
>       Encoding/Decoding system (Cinaed Simson)
>    2. adapt the MAC of the gr-ieee802.11 (Steve Joumessi Demeffo)
>    3. Re: adapt the MAC of the gr-ieee802.11 (Bastian Bloessl)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 24 Oct 2018 15:20:36 -0700
> From: Cinaed Simson <address@hidden>
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] Simulation to compute BER of a
> 	Modulator/Demodulator Encoding/Decoding system
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=utf-8
>
> On 10/23/2018 08:28 PM, Christian BusquielSanz wrote:
> > I am having this output with my Reed Solomon test:
> > 
> > Generating: '/home/cbusquielsanz/GNURadio/work/ReedSolomon_Test_001.py'
> > 
> > Generating: '/home/cbusquielsanz/GNURadio/work/ReedSolomon_Test_001.py'
> > 
> > Executing: /usr/bin/python -u
> > /home/cbusquielsanz/GNURadio/work/ReedSolomon_Test_001.py
> > 
> > Traceback (most recent call last):
> >   File "/home/cbusquielsanz/GNURadio/work/ReedSolomon_Test_001.py",
> > line 283, in <module>
> >     main()
> >   File "/home/cbusquielsanz/GNURadio/work/ReedSolomon_Test_001.py",
> > line 271, in main
> >     tb = top_block_cls()
> >   File "/home/cbusquielsanz/GNURadio/work/ReedSolomon_Test_001.py",
> > line 87, in __init__
> >     self.satellites_encode_rs_0 = satellites.encode_rs(0)
> > AttributeError: 'module' object has no attribute 'encode_rs'
> > 
> >>>> Done (return code 1)
> > 
> > 
> > 
> > 
> > It seems that there is a problem with GR Satellites "CCSDS Reed-Solomon Encoder"
> > 
> > I am attaching the flowgraph, the GRC file
> > 
> > I have not found information about this issue
> > 
> > What am I doing wrong?
> > Thank you
>
> It runs without error for me under version 3.7.13.4.
>
> That is, it generates 3 windows each with a single straight line of
> amplitude 0.
>
> -- Cinaed
>
> > 
> > 
> > 
> > Christian S?ngir     Busquiel Sanz
> > 
> > 
> > 
> > _______________________________________________
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> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> > 
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 25 Oct 2018 10:30:07 +0200
> From: Steve Joumessi Demeffo <address@hidden>
> To: discuss-gnuradio <address@hidden>
> Subject: [Discuss-gnuradio] adapt the MAC of the gr-ieee802.11
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset="utf-8"
>
> I want to adapt the MAC of the gr-ieee802.11 project to a PPM physical
> layer.
> I want to know which blocks I need to adapt to my
> project.
>
> Thanks for your help
>
> Best regards 
> Steve JOUMESSI
>
>  
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> ------------------------------
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> Message: 3
> Date: Thu, 25 Oct 2018 16:50:45 +0100
> From: Bastian Bloessl <address@hidden>
> To: Steve Joumessi Demeffo <address@hidden>,
> 	discuss-gnuradio <address@hidden>
> Subject: Re: [Discuss-gnuradio] adapt the MAC of the gr-ieee802.11
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=utf-8
>
> Hi Steve,
>
> On 10/25/18 9:30 AM, Steve Joumessi Demeffo wrote:
> > I want to adapt the MAC of the gr-ieee802.11 project to a PPM physical
> > layer. I want to know which blocks I need to adapt to my project.
>
> Probably `lib/mac.cc`, but that's hard to tell with this little
> information. It would be helpful if you could be a bit more specific.
>
> Best,
> Bastian
>
>
>
>
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