Dear Gorry,
I am currently working on the "01 version" of our DVB-S2 draft and while
re-reading the ULE-06 draft I came across what might be some
typographic errors in ANNEX A:
********************* Page 38, example A2 "Usage of last byte in a TS
packet":***************
The 4 shown SNDU sizes are 183, 182, 181 and 185 Bytes long, which would
lead to "SNDU Length" fields of 0xB3, 0xB2, 0xB1and 0xB5, resp, since:
0xB3 = 183 - 4 (in decimal)
0xB2 = 182 - 4
0xB1 = 181 - 4
0xB5 = 185 - 4
(4 bytes are to be substracted to the length of the SNDU since the "SNDU
Length" field DOES NOT count the 4-byte mandatory header of ULE)
Instead, in the diagram we have 0x63, 0x62, 0x61and 0x65... it seems
that the "B" was confused with "6" ?!
********************* Page 41, example A5 "three 44B
PDUs":********************************
The three SNDUS are 52 bytes long, which would lead to "SNDU Length" of
48 bytes, coded in hexadecimal as 0x30 and NOT as 0x34.
Please let me know whether those are typographic mistakes, or if it is
me who is wrong... This last hypothesis is highly probable since "the
errors" are similar, so I might be missing something!
Looking forward to hearing from you soon,
Juan
=========================
Juan CANTILLO
SatComs PhD. Researcher
ENST/TeSA/ENSICA/ASP
+33 6 23 54 59 65
Toulouse, FR