stds-802-16: TG1 Comment

[Stambaugh Karl-p13690 <Karl.Stambaugh@motorola.com>]

[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
272

[Starting Line #]
39

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
Delete all of section 3.2.1.2.1 Baseband Interfacing

[Reason for Edit]
This section doesn't add anything new.


[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
275

[Starting Line #]
8

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
Change "depth (M) cells" to "depth (M*j) cells"

[Reason for Edit]
Number of cells in each branch is a function of the branch number.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
280

[Starting Line #]
5

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
Change "layer bytes are added" to "layer pointer byte is added"

[Reason for Edit]
the TC layer adds only one byte now - saying "bytes" is confusing.


[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
297

[Starting Line #]
55

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
Change "layer bytes are added" to "layer pointer byte is added"

[Reason for Edit]
the TC layer adds only one byte now - saying "bytes" is confusing.




[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
289

[Starting Line #]
24

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
Insert a new paragraph:
The Reed-Solomon codewords shall not be shortened. Stuff-bytes (FFhex)
shall be appended as necessary to the end of the control messages to
fill an integral number of codewords.

[Reason for Edit]
Defines how to handle the case when there are fewer information bytes
than what is carried by a number of codewords.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
282

[Starting Line #]
29

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
Insert a new sentence at the end of the paragraph:
The randomizer sequence is applied only to information bits. The sequence 
generator pauses while parity bites are being transmitted.

[Reason for Edit]
adds explicit definition.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
282

[Starting Line #]
62

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
E

[Detailed Description of Proposed Insertion, Deletion, Change]
Change "code his useful" to "code is useful"

[Reason for Edit]
spelling.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
283

[Starting Line #]
54

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
E

[Detailed Description of Proposed Insertion, Deletion, Change]
remove footnote #8 symbol after (7,5)

[Reason for Edit]
no footnote to reference.


[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
285

[Starting Line #]
19

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
delete all text and figures from page 285 line 27 to page 286 line 12

[Reason for Edit]
this doesn't belong in a standard - it is an implementation tutorial.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
281

[Starting Line #]
44

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
E

[Detailed Description of Proposed Insertion, Deletion, Change]
change "CPEs" to "SSs"

[Reason for Edit]
We use SS instead of CPE.




[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
287

[Starting Line #]
17

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
G

[Detailed Description of Proposed Insertion, Deletion, Change]
no suggestion here

[Reason for Edit]
The description of how to shorten a BTC is insufficient to actually
implement it. For instance, this line says "Either rows or columns can
be removed until....". This does not define anything that an
implementer can actually use. For the shortening of codewords to work, the
hardware only knows how many bytes are allocated for the whole shortened
codeword, which includes both information and parity bytes. From that
number,
the hardware must be able to calculate exactly how many rows and columns to 
eliminate. The upstream description (section 3.3.3.2.4) must likewise 
be changed.

[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
72

[Starting Line #]
16

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
delete the three parameters "BTC Row code shortening", "BTC Column code 
shortening", and "BTC Product code shortening bits"

[Reason for Edit]
Burst profiles are relatively static definitions, but the shortening of
codewords is very dynamic (on a burst-by-burst basis). The degree of 
shortening needed by each burst changes depending on the actual MAC 
message length and the allocated burst size.  The amount of shortening 
should be calculated from the Upstream MAP.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
76

[Starting Line #]
30

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
delete the three parameters "BTC Row code shortening", "BTC Column code 
shortening", and "BTC Product code shortening bits"

[Reason for Edit]
Burst profiles are relatively static definitions, but the shortening of
codewords is very dynamic (on a burst-by-burst basis). The degree of 
shortening needed by each burst changes depending on the actual MAC 
message length and the allocated burst size.  The amount of shortening 
should be calculated from the Downstream MAP.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
291

[Starting Line #]
61

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
Insert another paragraph:
At the end of each burst, the final FEC encoded message may not end exactly 
on a PS boundary. If this is the case, the randomizer shall generate random 
bits as needed to fill the gap between the end of the encoded message and
the
start of the next burst, which must start on a PS boundary.

[Reason for Edit]
QPSK, 16QAM and 64QAM carries either 1, 2 or 3 bytes of data in each
Physical 
Slot (PS). This addition defines what to do between the end of the encoded 
message and the start of the next burst.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
276

[Starting Line #]
38

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
copy the table from page 306 line 35-45.

[Reason for Edit]
A detailed table should accompany this diagram to define which bits are
first in the stream. This is done elsewhere in the standard.


[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
278

[Starting Line #]
24

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
copy the table from page 307 line 30-62.

[Reason for Edit]
A detailed table should accompany this diagram to define which bits are
first in the stream. This is done elsewhere in the standard.



[Submitter's Last Name] 
Stambaugh

[Submitter's First Name]
Karl

[Membership Status: (M)ember; (O)bserver; (N)either]
M

[Starting Page #]
279

[Starting Line #]
2

[(T)echnical for Content-Related Material; (E)ditorial for typos, grammar,
etc.;
(G)eneral to identify a problem but not a solution; (TBD) for a
comment on a section marked "TBD"]
T

[Detailed Description of Proposed Insertion, Deletion, Change]
copy the table from page 308 line 45+.

[Reason for Edit]
A detailed table should accompany this diagram to define which bits are
first in the stream. This is done elsewhere in the standard.