1. Summary of Changes to TSPEC (in Document 406r3)
Month 2000
doc.: IEEE /xxx
July 2002
Summary of Changes to TSPEC (in Document 406r3)
John Kowalski
July 2002
John Kowalski, Sharp Labs
John Doe, His Company

2. What was done: Merger of concepts in documents 406r0, 383r0, and 409r2
July 2002
What was done:
Merger of concepts in documents 406r0, 383r0, and 409r2
Adds concept of observable, testable TSPEC with ability to infer TSPEC violations (“Isochronous TSPEC”)
Adds AWMA concept (“Scheduled TSPEC)
Adds additional Polling Start Time to TSPEC & clarified definitions.
John Kowalski, Sharp Labs

3. Summary of Specific Changes (1)
July 2002
Summary of Specific Changes (1)
1. TSPEC field format is defined by the field map to allow irrelevant fields to be omitted.
2. Time-related fields are all 4-octet microsecond encoding
3. New fields:
a. TXOP duration
b. Schedule duration
c. Schedule offset
d. endpoint address
John Kowalski, Sharp Labs

4. Summary of Specific Changes (2)
July 2002
Summary of Specific Changes (2)
4. TSPEC type field extended to 2 bits, and a new TSPEC type introduced: scheduled.
5. Normative behaviour for the HC to set NAV during any scheduled periods
6. Support for scheduled TXOPs is optional at HC and STA.
7. Support for isochronous TXOPs that allow for a bandwidth management/admission policy as per document r0.
8. The definition of a polling start field as per r2
John Kowalski, Sharp Labs

5. July 2002
Summary of Changes (3)
9. Clarifications to the definitions of TSPEC parameters as per r2.
10. Renamed MLME-POLL to MLME-TSACTIVATE. Removed timeout from MLME-TSACTIVATE.confirm.
11. Re-ordered table and edited parameter descriptions for Isochronous parameters.
12. Renamed simplified synchronous to isochronous.
13. Minimum Tgap parameter added. Tgap renamed to Maximum Tgap. Descriptive text added describing use
14. Scheduled CFP offset renamed Cycle Offset.
John Kowalski, Sharp Labs

6. July 2002
Motion
To instruct the editor to make changes to the draft to reflect the changes in 406r3.
John Kowalski, Sharp Labs

7. July 2002
John Kowalski, Sharp Labs