[Sls-slp] Comments to USLP_Issues_20160226

Gian.Paolo.Calzolari at esa.int Gian.Paolo.Calzolari at esa.int
Mon Feb 29 14:09:51 UTC 2016


Dear Greg,
        can you please check and fix the USLP_Issues_20160226 as per 
comments below.

1) The summary says Issue 2 Closed @ telecon #3 but no comment has been 
added to Issue 2 in the main body of the document and nothing is mentioned 
in Telcon #3 MoMs.
Please clarify accordingly.

2) The summary says Issue 11 Closed @ telecon #3 but no comment has been 
added to Issue 2 in the main body of the document and nothing is mentioned 
in Telcon #3 MoMs.
I think the conclusion is that the  construction of the USLP frame is 
constrained by the choice of channel coding book as follows:
a) references 3, 4 and 5 (TM, SCCC, DVB-S2) require fixed length frame and 
OID frames to be generated when no "valid" frame is available.
b) some coding schemes of  references 3, 4 and 5 (TM, SCCC, DVB-S2) 
require CRC-16 mandatorily present
c) references 6 and 7 (TC, Proximity-1) allow variable length frame and 
OID frames shall not be generated.
Moreover when reference 5 (TC) is used, the coding layer would accept 
several frames in a protocol data but is but it has been agreed that USLP 
will not allow this feature (see issue 15).
Issue 11 description should be updated accordingly

3) Issue 12 should report also that some coding schemes of  references 3, 
4 and 5 (TM, SCCC, DVB-S2) require CRC-16 mandatorily present

Ciao

Gian Paolo
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