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byte interleaving and bit interleaving?

Posted on 2000-04-14
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Last Modified: 2012-05-04
in the following sentence:

byte interleaving 24 DS-0 to form the DS-1 and bit interleaving 3 DS-1s to form the DS-2 signal


what is the difference between :byte interleaving and bit interleaving?

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Question by:syu2
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apadua earned 200 total points
ID: 2718008
The difference is that when you do bit interleaving, you put one bit from each sequence on the stream. When you do byte interleaving, you put a full byte from each sequence on the stream. Sor of like this:

Sequence 1:
1234567890abcdefghijklmnopqrstuv

Sequence 2:
abcdefghijklmnopqrstuv1234567890

Bit interleaving would be:

1a2b3c4d5e6f7g8h9i0jakblcmdneofpgqhrisjt

Byte interleaving would be:

12345678abcdefgh90abcdefijklmnopghijklmn


I can't really tell you the advantage or disadvantage of each one. My guess would be that if you do byte interleaving, maintaining things synchronous would be simpler. Also, if you lose one or two bits, you'd lose only one byte, and not more. My guess only, so if someone is very experienced, feel free to punch holes.


Cheers,

Andre
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by:syu2
ID: 2724356
thanks lot , for your help, it make sense to me
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