At 11:43 PM 9/24/98 -0700, [email protected] wrote:
>
>     In modern systems (i.e. Ka-band), forward error correction (FEC), such 
>     as Reed-Soloman coding, is used to correct link errors including those 
>     caused by rain fading. ......Once the errors reach a certain density
the link FEC 
>     cannot correct them and the link is down until the rain cell moves out 
>     of the beam area and the power increases.
>     
Correct.  Basically, the question for FEC systems using Block Codes such as
Reed-Solomon codes is what are the availability statistics rather than what
are the error statistics.
Will
*********************************************
William D. Ivancic
NASA Lewis Research Center
21000 Brookpark Rd.   MS 54-8
Cleveland, Ohio  44135
USA
Phone:   1 216 433 3494
FAX:     1 216 433 8705
Email:   [email protected]
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