Re: wimax chain

[CEL]

Hi Eitan,

please keep replies on the list!
I don't think there's a readymade solution for you. 

I'm not quite sure what you mean with "resemble OFDM": could you
elaborate? I really thought that IEEE802.16 is a pure OFDM system, so
this comes as a surprise. In which way is it not?

Best regards,
Marcus

On Wed, 2019-11-20 at 15:13 +0200, Eitan Hetzroni wrote:
> thanks for the rapid reply,
> it does resemble ofdm, however as a beginner in the field i was hoping to 
> find a readymade chain to tweak with?
> 
> 
> On Wed, Nov 20, 2019 at 3:11 PM Müller, Marcus (CEL) <address@hidden> wrote:
> > Hi Eitan,
> > 
> > it's been a while since I've looked into IEEE802.16, but that's a very
> > regular OFDM system, isn't it, with a fixed OFDM symbol as short
> > preamble (for the downlink bursts), and a 2-symbol preamble for the
> > start of frame?
> > 
> > A simple correlation detector might do in that case; a bit nicer on the
> > acquisition speed per computational effort might be a fixed-length
> > correlator that detects the position of cyclic prefixes and could be
> > applied to a whole burst or even frame to get a good timing estimate
> > before you start decoding OFDM symbols.
> > 
> > Best regards,
> > Marcus
> > 
> > PS: Your email signature is kinda funny on a publicly archived mailing
> > list :D
> > 
> > 
> > On Wed, 2019-11-20 at 14:43 +0200, Eitan Hetzroni wrote:
> > > Hi,
> > > any solution to the reception (rx) or tx of wimax using gnuradio?
> > > could not find any proper chain that finds the preamble.
> > > 
> > > The information transmitted is intended only for the person or entity to 
> > > which it is addressed and may contain confidential and/or privileged 
> > > material. Any review, retransmission, dissemination or other use of, or 
> > > taking of any action in reliance upon, this information by persons or 
> > > entities other than the intended recipient is prohibited. If you received 
> > > this in error, please contact the sender and delete all copies of the 
> > > message.
> 
> The information transmitted is intended only for the person or entity to 
> which it is addressed and may contain confidential and/or privileged 
> material. Any review, retransmission, dissemination or other use of, or 
> taking of any action in reliance upon, this information by persons or 
> entities other than the intended recipient is prohibited. If you received 
> this in error, please contact the sender and delete all copies of the message.

smime.p7s
Description: S/MIME cryptographic signature