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Re: [Discuss-gnuradio] What are coase freq. estimation and fine freq. es
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From: |
Martin Braun (CEL) |
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Subject: |
Re: [Discuss-gnuradio] What are coase freq. estimation and fine freq. estimation in OFDM? Did the implementation in gnuradio follow the 802.11 standard? |
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Date: |
Tue, 16 Apr 2013 09:19:30 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Tue, Apr 16, 2013 at 12:22:28AM +0800, Yingjie Chen wrote:
> Thanks for you reply, Tom.
Hm, I guess we both have a beard and wear glasses.
> So what you mean is that gnuradio only use one symbol to do the time &
> frequency (including coarse and fine)synchronization, as well as CSI
> estimation, is that right?
The old stuff yes, the new stuff, if you like.
> You also said the coarse freq. offset estimation is slight different. Can you
> show me some references only related to coarse freq. offset estimation in
> gnuradio. Thanks in advance.
digital_ofdm_frame_acquisition.cc or digital_ofdm_chanest_vcvc.cc.
Grepping for 'coarse' would have helped you!
MB
--
Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)
Dipl.-Ing. Martin Braun
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KIT -- University of the State of Baden-Württemberg and
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