Re: [Discuss-gnuradio] To implement WiMAX with GnuRadio or not?

[Colby Boyer]

On Fri, May 27, 2011 at 2:31 PM, Jeff Brower <address@hidden> wrote:
> Marcus-
>
>>> Alexander is asking excellent questions and I'm surprised at the tepid
>>> response -- he's got like 4 replies so far? He's the prototype GNU
>>> radio user who needs to maintain his group's IP, he should be
>>> receiving "how to's", not "INALs". -Jeff
>> Actually, IANAL is a perfectly-valid response.  IP licensing
>> arrangements are complicated and studded with sinkholes and minefields.
>>
>> I've avoided the issue (I hope!) in my proprietary "stuff" that uses Gnu
>> Radio by doing two things:
>>
>>       o minimizing the "stuff" that I do inside the flow-graph if I can
>> conveniently do it outside
>>       o speaking to the flowgraph via named pipes and moving the
>> proprietary and user-goop into non Gnu Radio compiled
>>          code.
>>
>> This is probably the safest thing that somebody who isn't a lawyer can
>> do without consulting an (expensive) IPR lawyer.
>
> I agree this is a good approach with clear intent.  Especially if you can 
> show things would work the same way if the
> pipes connected over Ethernet to another server that did not have GNU radio 
> installed.
>
> Maybe if GRC had some blocks for this purpose...
>
> -Jeff
>
>
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How do the companies write closed-source drivers for the Linux Kernel
without running into GPL2 issues? I can only recall that there is a
"user-land" and a "kernel-land" driver, where the "kernel-land" is the
only part that is open source. Is this correct?

Perhaps that method could work well?