Sub 1 GHz and TVWS commonality

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Presentation transcript:

Sub 1 GHz and TVWS commonality March 2010 doc.: IEEE 802.11-10/0306r0 March 2010 Sub 1 GHz and TVWS commonality Date: 2010-03-12 Authors: David Halasz, Aclara Dave Halasz, Aclara

March 2010 doc.: IEEE 802.11-10/0306r0 March 2010 Abstract Propose PHY and band usage for commonality between TVWS and Sub 1 GHz license-exempt David Halasz, Aclara Dave Halasz, Aclara

March 2010 Sub 1 GHz Equipment ships today that down converts IEEE 802.11 to operate in the 902 – 928 ISM band Standardize this operation Extend for other bands world wide Add sub 5 MHz channel widths to, Increase number of channels available within a given band Increase bands available world wide Increase distance David Halasz, Aclara

TVWS frequencies from FCC 08-260 March 2010 TVWS frequencies from FCC 08-260 Channel 37 Fixed - fixed TVBD only Not limited to fixd-fixd TVBD David Halasz, Aclara

What is the widest current PHY band can support? March 2010 What is the widest current PHY band can support? TVWS 40 MHz high throughput in US Sub 1 GHz license-exempt 20 MHz in the US David Halasz, Aclara

How small of a channel do we want? March 2010 How small of a channel do we want? TVWS TV channel is 6 MHz Concern with out-of-band emissions mask in FCC 08-260 Sub 1 GHz license-exempt Smaller bandwidth channels increases range Smaller bandwidth channels increases number of channels David Halasz, Aclara

March 2010 Suggestion OFDM can be used with both TVWS and Sub 1 GHz license-exempt. Sub 1 GHz to be a subset of TVWS. PHY & Bandwidth TVWS Sub 1 GHz license-exempt Larger than 40 MHz Maybe? No 40 MHz OFDM MIMO Yes 20 MHz OFDM MIMO 20 MHz OFDM 10 MHz OFDM 5 MHz OFDM Sub 5 MHz OFDM Channel bonding not pertinent in Sub 1 GHz license-exempt. David Halasz, Aclara

March 2010 References FCC R&O 08-260 http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-08-260A1.pdf David Halasz, Aclara