Figure A-19. Interleaved Frame Structure - Comtech EF Data SDM-9000 Installation And Operation Manual

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An interleaved frame is generated by applying convolutional interleaving
(with depth I = 12) to the error-corrected packets.
Figure A-19 shows the interleaved frame structure.
SYNC 1
or
SYNC n
The interleaved frame is composed of overlapping error-protected packets delimited by
inverted or non-inverted MPEG-2 sync bytes, preserving the periodicity of 204 bytes.
A–24
203 BYTES
INTERLEAVING DEPTH I = 12

Figure A-19. Interleaved Frame Structure

SYNC 1
or
203 BYTES
SYNC n
SDM-9000 Satellite Modem
Rev. 4

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