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Re: [Discuss-gnuradio] How many preambles uesd in ofdm example for frame
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From: |
Tom Rondeau |
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Subject: |
Re: [Discuss-gnuradio] How many preambles uesd in ofdm example for frame synchronization, 10 short preambles ? |
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Date: |
Sat, 6 Apr 2013 10:18:05 -0400 |
On Sat, Apr 6, 2013 at 10:01 AM, Yingjie Chen <address@hidden> wrote:
> Hi guys,
> Thanks in advance.
> In default setting, I wonder if gunradio has followed the 802.11 standand
> using 10 short preambles for synchronization or not.
> Hope anyone can tell me.
No, it is not. Just a standard implementation of the Schmidl and Cox
algorithm, so one preamble the same length as all other symbols with a
repeated pattern in time (i.e., the first half of the symbol is
repeated in the second half of the symbol).
Tom