, 2007 1:05 AM
To: digitalradio@yahoogroups.com
Subject: [digitalradio] Re: HF OFDM
I would like verified:
The raw bit rate is the same as the bandwidth and is independent of
the symbol rate.
Not in real word systems.
Search for the guard interval used to cope with ISI.
The bitrate
Various sources I have read put typical maximum multipath at 10ms. If
the symbol period is 25ms then there would not be a need for a guard
interval since the critical part of the symbol is undistorted.
Well, we want all of the symbol undistorted .. not only a part.
So the 25ms symbol and the
To: digitalradio@yahoogroups.com
Subject: [digitalradio] Re: HF OFDM
Various sources I have read put typical maximum multipath at 10ms. If
the symbol period is 25ms then there would not be a need for a guard
interval since the critical part of the symbol is undistorted.
Well, we want all of the symbol
Sent: Thursday, October 18, 2007 06:25 UTC
Subject: RE: [digitalradio] Re: HF OFDM
Why does all the symbol need to be undistorted?
Rud Merriam K5RUD
ARES AEC Montgomery County, TX
http://TheHamNetwork.net
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