1. Submission doc.: IEEE 11-12-0669-00-00ai May 2012 InterDigital Slide 1 Passive Scanning Improvement Ad Hoc Report Date: 2012-05-14 Authors:

2. Submission doc.: IEEE 11-12-0669-00-00ai May 2012 Slide 2 Abstract This document provides a report of 802.11ai passive scanning improvement ad hoc discussions during 802.11 2012-May meeting. InterDigital

3. Submission doc.: IEEE 11-12-0669-00-00aiMay 2012 Slide 3 Conformance w/ TGai PAR & 5C Conformance QuestionResponse Does the proposal degrade the security offered by Robust Security Network Association (RSNA) already defined in 802.11? No Does the proposal change the MAC SAP interface?No Does the proposal require or introduce a change to the 802.1 architecture?No Does the proposal introduce a change in the channel access mechanism?No Does the proposal introduce a change in the PHY?No Which of the following link set-up phases is addressed by the proposal? (1) AP Discovery (2) Network Discovery (3) Link (re-)establishment / exchange of security related messages (4) Higher layer aspects, e.g. IP address assignment 1,2 InterDigital

4. Submission doc.: IEEE 11-12-0669-00-00ai May 2012 Slide 4 Background, related contributions 11-12-0406-03-00ai-proposed-sfd-text-for-passive-scanning-improvements  A Follow-up contribution to the 2012-March Meeting Passive Scanning Ad Hoc discussion:  Covers multiple contributions submitted to 802.11ai TG regarding passive scanning improvements prior to 2012-March meeting, e.g.,  11-12-0276-00-00ai-passive-scanning-comparison  11-12-0277-00-00ai-hybrid-scanning  11-12-0239-01-00ai-passive-scanning-enhancements  11-12-0288-00-00ai-passive-scanning-requirement-for-sfd  11-12-0042-01-00ai-fils-beacon-proposal  11-12-0292-00-00ai-beacon-pointer 4 New Contributions Submitted for 2012 May Meeting: 11-12-0545-01-00ai-access-control-mechanism-for-fils 11-12-0546-01-00ai-fast-passive-scan-for-fils 11-12-0567-00-00ai-multiple-frequency-channel-scanning 11-12-0568-00-00ai-ap-discovery-information-broadcasting InterDigital

5. Submission doc.: IEEE 11-12-0669-00-00ai May 2012 Slide 5 Ad Hoc Discussion Report Present / Discuss those four New Contributions for 2012-May Meeting:  11-12-0545-01-00ai-access-control-mechanism-for-fils  Recommend to incorporate this proposal into the harmonization discussion of the contribution, 12/0406r4, as a new sub-topic about the “changes to Beacon frame”.  11-12-0546-01-00ai-fast-passive-scan-for-fils  Recommend not to incorporate this topic into the harmonization discussion of the contribution, 12/0406r4;  Encourage the contributor to bring back more technical details to future meetings.  11-12-0567-00-00ai-multiple-frequency-channel-scanning  Recommend to incorporate this proposal into the harmonization discussion of the contribution, 12/0406r4.  11-12-0568-00-00ai-ap-discovery-information-broadcasting  Conducted a straw poll, see 12/0568r1 for details;  Recommend not to incorporate this proposal into the harmonization discussion of the contribution, 12/0406r4. InterDigital,

6. Submission doc.: IEEE 11-12-0669-00-00ai May 2012 Slide 6 Ad Hoc Discussion Report – con’t Contribution: 12/0406  Presented the joined contribution, 12/0406r3, as a result of the harmonization discussions prior to May FtF meeting;  Continue the harmonization discussions;  Had a straw poll based on the proposed Motion-1, see 12/0406r4 for details. InterDigital

7. Submission doc.: IEEE 11-12-0669-00-00ai May 2012 Slide 7 Ad Hoc Discussion Report – con’t Not enough time to have the harmonization discussions based on 12/0406r3; Recommend to request additional Ad Hoc time slot to continue the discussions. InterDigital

8. Submission doc.: IEEE 11-12-0669-00-00ai May 2012 Slide 8 Thanks! & Questions? InterDigital