Doc.: IEEE 802.11-12/0371r0 Submission March 2012 Ron Porat, Broadcom BF Feedback and Protocol Date: 2012-03-12 Authors: Slide 1.

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doc.: IEEE /0371r0 Submission March 2012 Ron Porat, Broadcom BF Feedback and Protocol Date: Authors: Slide 1

doc.: IEEE /0371r0 Submission March 2012 Ron Porat, Broadcom Authors continued: Slide 2

doc.: IEEE /0371r0 Submission March 2012 Ron Porat, Broadcom Authors continued: Slide 3

doc.: IEEE /0371r0 Submission March 2012 Ron Porat, Broadcom Outline 11ah is largely based on draft 2.0 of 11ac spec We propose to add support for single user beamforming (BF) and MU-MIMO feedback and protocols as described in the current draft 11ac spec Slide 4

doc.: IEEE /0371r0 Submission March 2012 Ron Porat, Broadcom Proposal We propose to add to the spec framework a new section Transmit Beamforming We propose to add in section 3.5 the following text: The ah specification shall support, for all applicable BW, the SUBF and MU- MIMO feedback structure and protocol as specified in the following sections of IEEE P802.11ac™/D2.0 : – VHT MIMO Control field – VHT Compressed Beamforming Report field - contents of feedback frame – MU Exclusive Beamforming Report field - contents of MU frame – VHT sounding protocol – and its subsections: SU-MIMO and MU-MIMO Beamforming Slide 5

doc.: IEEE /0371r0 Submission March 2012 Ron Porat, Broadcom Straw Poll Do you support the proposal in slide 5? Y N A Slide 6

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