Doc.: IEEE 802.11-12/0613r0 Submission May 2012 Ron Porat, Broadcom US Channelization Date: 2012-05-14 Authors: Slide 1.

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doc.: IEEE /0613r0 Submission May 2012 Ron Porat, Broadcom US Channelization Date: Authors: Slide 1

doc.: IEEE /0613r0 Submission May 2012 Ron Porat, Broadcom Authors continued: Slide 2

doc.: IEEE /0613r0 Submission May 2012 Ron Porat, Broadcom Authors continued: Slide 3

doc.: IEEE /0613r0 Submission May 2012 Ron Porat, Broadcom Outline Propose channelization structure for the US Slide 4

doc.: IEEE /0613r0 Submission May 2012 Ron Porat, Broadcom Proposal The proposal utilizes to the maximum the available BW as is done in other countries – 26 1MHz channels, 13 2MHz channels, 6 4MHz channels, 3 8MHz channels and one 16MHz channel Slide 5

doc.: IEEE /0613r0 Submission May 2012 Ron Porat, Broadcom Discussion Many contributions proposed various channelization options for the US in every IEEE 11ah meeting since September After many discussions on the topic we concluded that the best option maximizes the number of 1MHz and 2MHz channels to allow the maximum flexibility of deploying many large sensor networks while minimizing interference. –Sub 1GHz spectrum has high value and utilizing efficiently the available 26MHz is important. Coexistence issues – many other systems are defined for operation in 900MHz (such as variants of the and family of standards) and has a coexistence mechanism in place namely CCA energy detect. –The current value used for 20MHz systems for non systems is -62dBm. 11ah may choose a different value Slide 6

doc.: IEEE /0613r0 Submission May 2012 Ron Porat, Broadcom Straw Poll Do you support the US channelization proposal in slide 5? Y N A Slide 7