1. To WBSS or not to WBSS? May 2008 doc.: IEEE 802.11 11-08-0673-04-000p
Month Year
doc.: IEEE yy/xxxxr0
May 2008
May 2007
doc.: IEEE p
To WBSS or not to WBSS?
Date:
Authors:
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Justin McNew – TechnoCom
John Doe, Some Company

2. WBSS vs. no BSS options in WAVE
Month Year
doc.: IEEE yy/xxxxr0
May 2008
May 2007
doc.: IEEE p
WBSS vs. no BSS options in WAVE
Data frame usage outside of a BSS
Timing and Service Advertisement (WAVE IE)
Station Groupings
To/From DS
WAVE Mode
General data frame usage
WBSS
Wildcard or arbitrary BSSID
Beacon or new management frame
Via Join (BSSID of WBSS initiator) 1
Any combination of To/From set to true/false2
Required
Outside of a BSS and within WBSS
No BSS
Setting of BSSID by SME1
Any combination of To/From set to true/false2,3
Not Required
Always outside of a BSS4
1 Also accessible via MA-UNITDATA.request primitive (challenges with setting through data plane interfaces)
2 To/From DS=0 (always false for both) important option to consider. To support value of true requires some additional explanation.
3 Standard BSS functionality (ad hoc and infrastructure ) can still be used.
4 This approach means only clauses (BSSID usage) and 11.3 (add all data frames to Class 1 – outside of a BSS) are affected by 11p.
Justin McNew – TechnoCom
John Doe, Some Company

3. Implications of no BSS on IEEE 1609
Month Year
doc.: IEEE yy/xxxxr0
May 2008
May 2007
doc.: IEEE p
Implications of no BSS on IEEE 1609
1609.4
Multi-channel management approach not reliant on WBSS joining
May tie switching and multi-channel operation to alternate functions
Minor changes in terminology
Alternate description of how channel switching/management occurs between control and service channels
Cleans up the discrepancy between control and service channel and being joined to a WBSS
1609.3
WSA and WBSS no longer tied together
Requires redefining of WME (SME) ↔ MLME interface
Minor changes already required because of beacon based WAVE IE
Break down “join” function into discrete primitives to set parameters such as BSSID, channel information, etc.
Justin McNew – TechnoCom
John Doe, Some Company

4. Straw Poll Develop non-BSS approach for evaluation? May 2008
Month Year
doc.: IEEE yy/xxxxr0
May 2008
May 2007
doc.: IEEE p
Straw Poll
Develop non-BSS approach for evaluation?
Yes: 15
No: 0
Justin McNew – TechnoCom
John Doe, Some Company

5. Beacon Frame vs. New Management Frame
Month Year
doc.: IEEE yy/xxxxr0
May 2008
May 2007
doc.: IEEE p
Beacon Frame vs. New Management Frame
Beacon option
Requires mandatory elements that may not be useful for WAVE
Requires overloading of SupportedRates element (or other approach) for backward compatibility
Similar to 11n approach
New management frame option
Replace current on-demand beacon
Timing information and generic advertisement frame?
Contains timestamp and optional WAVE IE
16 frames of type 11, subtype 0000 – 1111 still available
Justin McNew – TechnoCom
John Doe, Some Company

6. Straw Poll (may vote yes for both)
Month Year
doc.: IEEE yy/xxxxr0
May 2008
May 2007
doc.: IEEE p
Straw Poll (may vote yes for both)
Continue with beacon frame
Yes: 11
No: 3
Create new management frame
Yes: 9
No: 6
Justin McNew – TechnoCom
John Doe, Some Company