Re: [Discuss-gnuradio] Looking for 802.11 MAC & PHY Package

[Vanush Vaswani]

Learn 802.11. hehe.

On Mon, Oct 20, 2014 at 6:38 PM, Martin Braun <address@hidden> wrote:
> On 10/16/2014 11:50 AM, Vanush Vaswani wrote:
>> Is it possible to do 11ac on SDR?
>
> Vanush,
>
> the answer to *any* question of the type "can we do standard X on SDR"
> is always 'yes'.
>
> Are you planning to do this yourself, or are you looking for a finished
> solution? Also, what's your goals?
>
> M
>
>>
>> On Wed, Oct 15, 2014 at 10:07 PM, Bastian Bloessl <address@hidden> wrote:
>>> Hi,
>>>
>>> On 10/10/2014 06:20 PM, Zhang, Jiayi wrote:
>>>>
>>>> Dear Marcus and Bloessl,
>>>>
>>>> Thanks for the reply. I also notice the fully functional gr-ieee802-11
>>>> package provide by Bloessl. Previously I thought it's only PHY, but as
>>>> Marcus mentioned it also include MAC. It seems to me in the
>>>> gr-ieee802-11-master package, the MAC does not run csma. I also find the
>>>> gr-ieee802-11-csma package, which is smaller than the master package but
>>>> indicate "csma" in name and one of examples.
>>>
>>>
>>> Sorry, I don't get what you mean with smaller. Are you talking about the
>>> file size of the sources?
>>> All branches add / parse the MAC header as defined in the standard. So the
>>> frame format is OK on all branches. The 'csma' branch implements channel
>>> access for broadcast frames.
>>>
>>>> After checking the Readme
>>>> and other pulications from WIME project, I cannot find detail
>>>> description regarding the MAC and CSMA function for the package.
>>>
>>>
>>> It's the one at the top
>>> http://www.ccs-labs.org/bib/bloessl2014timings/
>>>
>>>>
>>>> 1. Does the csma package should be used with the master package?
>>>
>>>
>>> No. 'csma' is the name of a branch. You would checkout and use that branch.
>>>
>>>> 2. Does the csma package support multiple nodes in an ad-hoc network?
>>>
>>>
>>> The CSMA implementation is for broadcast frames only. So depends on what you
>>> want to do.
>>>
>>>>
>>>> Return to Marcus's advice, do you mean that to realize the MAC (CSMA),
>>>> we still need implement FPGA (not the one in USRP?) to handle it in
>>>> hardware, no matter we use the software lib, e.g. GRU Radio or Click
>>>> Module Router?
>>>
>>>
>>> To support CSMA functionality you will have to change the FPGA otherwise you
>>> will not be able to meet the timing constraints of 802.11. For the broadcast
>>> case you only need some small changes.
>>> If you want to support ACKS and RTS/CTS you need a lot of functionality on
>>> the FPGA. In my opinion this will not happen on a N210, but AFAIK Ettus has
>>> a 802.11 implementation for RFNoC (i.e. for the FPGA) which most likely
>>> meets all timing constraints.
>>>
>>> Best,
>>> Bastian
>>>
>>>>
>>>> Many thanks for your help again!
>>>>
>>>> Best regards,
>>>> Jiayi
>>>>
>>>>
>>>> On Thu, Oct 9, 2014 at 4:05 PM, Marcus Müller <address@hidden
>>>> <mailto:address@hidden>> wrote:
>>>>
>>>>     Hi Jiayi,
>>>>
>>>>     :) gr-ieee802-11 is, as far as I know, the most comprehensive,
>>>>     functional implementation so far. It *can* talk to consumer cards --
>>>> but
>>>>     of course, that's not because it has a complete MAC implementation.
>>>>     Actually, doing a really standards-compliant IEEE802.11agp MAC can't
>>>>     really be done in host software alone -- the gigabit ethernet
>>>> interface
>>>>     alone just has too much latency, and you'll have to be really fast
>>>> when
>>>>     detecting ACK's, calculating checksums and sending out the reply. I
>>>>     doubt you can implement a fully working IEEE802.11 MAC in software
>>>> alone
>>>>     without touching the FPGA.
>>>>
>>>>     Here's the official source code:
>>>>     https://github.com/bastibl/gr-ieee802-11 has the source code, btw.
>>>>
>>>>
>>>>     Greetings,
>>>>     Marcus
>>>>     On 09.10.2014 21:47, Zhang, Jiayi wrote:
>>>>      > Dear Marcus and all,
>>>>      >
>>>>      > Many thanks for the advice regarding the Hydra and ORBIT project.
>>>>      >
>>>>      > Actually I'm looking for the open-source 802.11 PHY&MAC packages
>>>>     which are
>>>>      > compatible with Recent GNU Radio and USRP N210/X310.
>>>>      >
>>>>      > I've searched from internet and got some findings listed below:
>>>>      > 1) Hydra PHY & MAC from University of Texas at Austin [1]
>>>>      > 2) FTW IEEE802.11a/g/p OFDM Frame Encoder [2]
>>>>      > 3) UWICORE m-HOP 802.11 MAC for USRP based on the FTW PHY [3]
>>>>      > http://www.uwicore.umh.es/mhop-software.html
>>>>      > *** All (1-3) only compatible with gnuradio-3.2.2 which was too
>>>>     many years
>>>>      > ago.
>>>>      >
>>>>      > 4) WIME IEEE 802.11a/g/p Transceiver for GNU Radio v3.7 [3]
>>>>      > http://www.ccs-labs.org/software/gr-ieee802-11/
>>>>      > *** This is a most recent package for gnuradio 3.7, but is PHY
>>>>     only. Are
>>>>      > there any MAC package which compatible with this WIME PHY?
>>>>      >
>>>>      > 5) ORBIT Project [5]
>>>>      > *** This is a huge project which can be studied. Are there any
>>>>     project
>>>>      > provide both 802.11 MAC & PHY like Hydrd did before?
>>>>      >
>>>>      > Best regards,
>>>>      > Jiayi
>>>>      >
>>>>      > [1] K. Mandke, Soon-Hyeok Choi, Gibeom Kim, R. Grant, R. Daniels,
>>>>     Wonsoo
>>>>      > Kim, R. W. Heath, Jr., and S. Nettles, “Early Results on Hydra: A
>>>>     Flexible
>>>>      > MAC/PHY Multihop Testbed,” Proc. of IEEE Vehicular Tech. Conf. ,
>>>> pp.
>>>>      > 1896-1900, Dublin, Ireland, April 23 – 25, 2007.
>>>>      > [2] http://www.cgran.org/wiki/ftw80211ofdmtx
>>>>      > [3] J.R. Gutierrez-Agullo, B. Coll-Perales and J. Gozalvez, "An
>>>>     IEEE 802.11
>>>>      > MAC Software Defined Radio Implementation for Experimental Wireless
>>>>      > Communications and Networking Research", Proceedings of the 2010
>>>>     IFIP/IEEE
>>>>      > Wireless Days (WD'10), 20-22 October 2010, Venice (Italy).
>>>>      > [4] Bastian Bloessl, Michele Segata, Christoph Sommer and Falko
>>>>     Dressler,
>>>>      > "An IEEE 802.11a/g/p OFDM Receiver for GNU Radio," Proceedings of
>>>> ACM
>>>>      > SIGCOMM 2013, 2nd ACM SIGCOMM Workshop of Software Radio
>>>>     Implementation
>>>>      > Forum (SRIF 2013), Hong Kong, China, August 2013, pp. 9-16.
>>>>      > [5] http://www.orbit-lab.org/
>>>>      >
>>>>      >
>>>>      > On Thu, Oct 9, 2014 at 1:02 PM, Marcus Müller
>>>>     <address@hidden <mailto:address@hidden>>
>>>>
>>>>      > wrote:
>>>>      >
>>>>      >> Yes. Nothing in GNU Radio or UHD (the USRP driver framework) is
>>>>      >> distribution-specific, so transition from Ubuntu to Fedora
>>>>     should not be
>>>>      >> a problem
>>>>      >>
>>>>      >> Good luck with finding a "new version" of Hydra; I didn't find any
>>>>      >> publication after 2009 on a quick first glance on google
>>>>     scholar[1]. And
>>>>      >> I couldn't find the source code anywhere. Honestly: If you don't
>>>>     find
>>>>      >> anything that proves otherwise, I'd presume that Hydra is kind
>>>>     of dead
>>>>      >> [2]. Please prove me wrong on this!
>>>>      >>
>>>>      >> There is the ORBIT lab that has come up with a rather
>>>> comprehensive
>>>>      >> infrastructure for wireless testbeds, so you might want to look
>>>>     at that[3].
>>>>      >>
>>>>      >> Greetings,
>>>>      >> Marcus
>>>>      >>
>>>>      >> [1]
>>>>      >>
>>>>      >>
>>>>
>>>> http://scholar.google.de/scholar?q=%22Robert+W.+Heath%22+hydra&hl=en&as_sdt=0%2C5&as_ylo=2010&as_yhi=
>>>>      >> [2] https://www.youtube.com/watch?v=r0yXqU-w9U0
>>>>      >> [3] http://www.orbit-lab.org/
>>>>      >> On 09.10.2014 16:41, Zhang, Jiayi wrote:
>>>>      >>> Hi Marcus,
>>>>      >>>
>>>>      >>> Another question is that, if we development the software with
>>>>     GNU Radio
>>>>      >> and
>>>>      >>> USRP in Ubuntu, is it easy to transfer to Fedora?
>>>>      >> Thanks for your reply. I think the best way to us is to find the
>>>> new
>>>>      >> version of Hydra package which is based on the recent GNU Radio
>>>>     version
>>>>      >> working with current USRP produces.
>>>>      >>
>>>>      >>> Many thanks!
>>>>      >>>
>>>>      >>> Regards,
>>>>      >>> Jiayi
>>>>      >>>
>>>>      >>> On Wed, Oct 8, 2014 at 11:11 AM, Marcus Müller
>>>>     <address@hidden <mailto:address@hidden>
>>>>
>>>>      >>>
>>>>      >>> wrote:
>>>>      >>>
>>>>      >>>>  Hello Jiayi,
>>>>      >>>>
>>>>      >>>> 3.2.2 is *very* ancient. In fact, it's older than my
>>>>     involvement with
>>>>      >> GNU
>>>>      >>>> Radio, and I think it will be very hard to find someone how's
>>>>     still
>>>>      >> using
>>>>      >>>> it, so asking for experience, I'm afraid, is not going to
>>>>     yield a lot of
>>>>      >>>> responses in 2014.
>>>>      >>>> Therefore, it will be nearly impossible to recreate an
>>>>     environment with
>>>>      >>>> all the GNU Radio dependencies that match the needs of GNU
>>>>     Radio 3.2.2.
>>>>      >>>>
>>>>      >>>> I'm not familiar with Hydra itself; but if it uses GR 3.2.2
>>>>     you won't be
>>>>      >>>> able to use it with modern USRPs, you won't have much fun
>>>>     developing new
>>>>      >>>> applications for it, and in total it might be wise to look if
>>>>     you can
>>>>      >>>> either find a suitable substitute or port it to a modern GNU
>>>>     Radio.
>>>>      >>>>
>>>>      >>>> However, I'm optimistic that someone else here has used Hydra,
>>>>     and maybe
>>>>      >>>> he has some more specific hints than I do.
>>>>      >>>>
>>>>      >>>> Greetings,
>>>>      >>>> Marcus
>>>>      >>>>
>>>>      >>>>
>>>>      >>>> On 08.10.2014 16:50, Zhang, Jiayi wrote:
>>>>      >>>>
>>>>      >>>> Dear all,
>>>>      >>>>
>>>>      >>>> I'm a beginner of GNURadio but I'm familiar with some basis of
>>>>     Linux
>>>>      >> when I
>>>>      >>>> use C++ & IT++. Currently I'm trying to test the Hydra-0.4
>>>>     package for
>>>>      >>>> evaluation under the last ubuntu ver 14.04.1 32bit. During the
>>>>      >> installation
>>>>      >>>> of gnuradio-3.2.2, there is an error which I cannot find the
>>>>     solution on
>>>>      >>>> internet.
>>>>      >>>>
>>>>      >>>> gnuradio-3.2.2$ ./bootstrap && ./configure --prefix=$GR
>>>>      >>>> …
>>>>      >>>> checking for boost >= 1.35... yes
>>>>      >>>> checking whether the boost::thread includes are available... yes
>>>>      >>>> configure: error: Could not link against libboost_thread!
>>>>      >>>>
>>>>      >>>> ‘libboost-all-dev’ has already installed, including
>>>>      >> ‘libboost-thread-dev’,
>>>>      >>>> I tried both version 1.54 and 1.55 of libboost. I've also
>>>>     searched the
>>>>      >>>> error message in Google, even after I installed the
>>>>     'build-essential'
>>>>      >>>> package, the error remains the same.
>>>>      >>>>
>>>>      >>>> I will be much appreciated if any of you have such an
>>>>     experience and
>>>>      >> would
>>>>      >>>> feedback some solutions.
>>>>      >>>>
>>>>      >>>> Regards,
>>>>      >>>> Jiayi (Vincent)
>>>
>>>
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