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Submission doc.: IEEE 802.18-15/0002r2 January 2015 Rich Kennedy, MediatekSlide 1 Report from ETSI TC BRAN#81 Date: 2015-01-12 Authors:

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Presentation on theme: "Submission doc.: IEEE 802.18-15/0002r2 January 2015 Rich Kennedy, MediatekSlide 1 Report from ETSI TC BRAN#81 Date: 2015-01-12 Authors:"— Presentation transcript:

1 Submission doc.: IEEE 802.18-15/0002r2 January 2015 Rich Kennedy, MediatekSlide 1 Report from ETSI TC BRAN#81 Date: 2015-01-12 Authors:

2 Submission doc.: IEEE 802.18-15/0002r2 January 2015 Rich Kennedy, MediatekSlide 2 Abstract This document contains information and opinions of the author, from the ETSI TC BRAN#81 meeting that took place in Las Palmas, Gran Canaria December 16-19, 2015, with a focus on EN 301 893 comment resolution and revision.

3 Submission doc.: IEEE 802.18-15/0002r2 January 2015 Rich Kennedy, MediatekSlide 3 BRAN Agenda Items New Work Items (WI) o ETSI Technical Report (TR) on Coexistence with EESS in 5 GHz o ETSI TR on Coexistence with ITS and Road Tolling in 5 GHz o ETSI TR on Coexistence with radiolocation in 5 GHz o DA2GC in 5 GHz with beamforming antennas o DA2GC in 5 GHz with fixed antennas o Revision of EN 301 893 for compliance with the new Radio Equipment Directive EN 301 893 - 5 GHz high performance RLAN – Comment Resolution

4 Submission doc.: IEEE 802.18-15/0002r2 The Radio Equipment Directive Since the early 1990s, all the EU Harmonised Standards for radio equipment have been created in compliance with the R&TTE Directive, governing placement on the market With the increasing demand for spectrum sharing, the EC had developed new guidelines aimed at improving spectrum efficiency, and addressing issues with the R&TTE Directive This is scheduled to go into effect in June of 2016, with mandatory compliance in June of 2017 o https://mentor.ieee.org/802.18/dcn/15/18-15-0009-00-0000-ec- radio-equipment-directive.pdf https://mentor.ieee.org/802.18/dcn/15/18-15-0009-00-0000-ec- radio-equipment-directive.pdf I plan to supply a summary of the RED and a list of potential issues for new IEEE 802.11 standards Slide 4Rich Kennedy, Mediatek January 2015

5 Submission doc.: IEEE 802.18-15/0002r2 Summary Work Items approved o ETSI Technical Report (TR) on Coexistence with EESS in 5 GHz o ETSI TR on Coexistence with ITS and Road Tolling in 5 GHz o ETSI TR on Coexistence with radiolocation in 5 GHz o DA2GC in 5 GHz with beamforming antennas o DA2GC in 5 GHz with fixed antennas WI for EN 301 893 RED compliance includes final resolution of paragraph 4.8.3.2 LBT for Load Based Devices EN 301 893 v1.7.3 (to become v1.8.1) was approved o Paragraph 4.8.3.2 maintains the wording from v1.7.1 o Adds an alternate based on inputs from the Wi-Fi industry Slide 5Rich Kennedy, Mediatek January 2015

6 Submission doc.: IEEE 802.18-15/0002r2 Revision of EN 301 893 The issue with Paragraph 4.8.3.2 o LBT for Load Based Devices of v1.7.1 provided sufficient “adaptivity” to meet EC requirements while 802.11 was the only major technology in the band o The introduction of other technologies in compliance with 4.8.3.2 could severely disadvantage Wi-Fi CableLabs, Broadcom and WFA submitted simulations showing this Wi-Fi could virtually be excluded where v1.7.1 compliant devices operated o Exponential backoff, the primary Wi-Fi to Wi-Fi coexistence mechanism not in this text New DFS test requirement, test uncertainties made approval of v1.7.x necessary at this time Slide 6Rich Kennedy, Mediatek January 2015

7 Submission doc.: IEEE 802.18-15/0002r2 The Players Friends of LAA-LTE (FoLL) o Qualcomm (Jamshid Khun Jush) o Ericsson (Enrico Brancaccio) o Nokia Networks (Esa Barck) Friends of Wi-Fi (FoWF) o Broadcom (David Boldy) o Cisco (Andrew Myles) o Wi-Fi Alliance (Octavian Popescu) o CableLabs (Volker Leisse) o Microsoft (Scott Blue) o Mediatek (Rich Kennedy) Slide 7Rich Kennedy, Mediatek January 2015

8 Submission doc.: IEEE 802.18-15/0002r2 The Arguments Friends of Wi-Fi o V1.7.1 leaves Wi-Fi vulnerable to unfair sharing o Simulations by CableLabs, WFA and Broadcom clearly demonstrate this o Although proposed changes to Paragraph 4.8.3.2 still need to be improved to ensure fair sharing, this first step is needed so that 3GPP LAA-LTE planning is based on a fair approach, not v1.7.1 Friends of LAA-LTE o No changes should be made until a final solution is available o Not yet known what LAA-LTE is until their simulations are done, so how can IEEE 802.11 know they will be disadvantaged o Keep v1.7.1 Paragraph 4.8.3.2 Slide 8Rich Kennedy, Mediatek January 2015

9 Submission doc.: IEEE 802.18-15/0002r2 The Inconsistencies FoLL requested delays, but v1.8.1 with new DFS changes had to be approved at the end of this meeting FoLL stated that LAA-LTE is not yet known, but news during the week indicated that one vendor started device fabrication, and Ericsson and T-Mobile announced 2015 availability of LAA-LTE o http://www.computerworld.com/article/2861352/ericsson-pushes-plan-to-send- wireless-apps-over-unlicensed-5ghz-spectrum.html http://www.computerworld.com/article/2861352/ericsson-pushes-plan-to-send- wireless-apps-over-unlicensed-5ghz-spectrum.html o http://www.telecoms.com/314072/ericsson-adds-unlicensed-spectrum-support-to- small-cells/?utm_source=rss&utm_medium=rss&utm_campaign=ericsson-adds- unlicensed-spectrum-support-to-small-cells http://www.telecoms.com/314072/ericsson-adds-unlicensed-spectrum-support-to- small-cells/?utm_source=rss&utm_medium=rss&utm_campaign=ericsson-adds- unlicensed-spectrum-support-to-small-cells FoLL simulation introduced late in the week showed 802.11 advantage over v1.7.1, but was done with very low loading, not typical for 801.11ac networks FoLL stated that their concerns were supported by eight EU regulators; all eight were identical in every way, including formatting and typos Slide 9Rich Kennedy, Mediatek January 2015

10 Submission doc.: IEEE 802.18-15/0002r2 Other Issues The UK regulator said Ofcom “…had acted as a post box in this” so the comments were an echo of the companies active on the UK market (therefore stakeholders), not necessarily reflecting the regulator’s views FoLL accused the Chair of “…all week blackmailing the group…” in response to his statement that if this was not decided, BRAN would not meet its requirement to have a new draft When Qualcomm denied that its representatives had been telling customers that LAA would “dominate the band”, one of those customers, Microsoft, rebutted the denial Slide 10Rich Kennedy, Mediatek January 2015

11 Submission doc.: IEEE 802.18-15/0002r2 The Results The group approved v1.7.3 (to become v1.8.1) with both the v1.7.1 and Wi-Fi industry proposal as alternatives for Paragraph 4.8.3.2, in spite of the FoLL effort to renege on the agreement at the last moment The first draft of the new version will not be written until June of 2015, by request of FoLL, instead of delaying all work for 6 months as FoLL requested The new WI, for RED compliance will resolve the 4.8.3.2 duality well before June 2017, when EN 301 893 is out of force For the next 18 months v1.7.1 vulnerabilities will remain in the Harmonised Standard Slide 11Rich Kennedy, Mediatek January 2015

12 Submission doc.: IEEE 802.18-15/0002r2 January 2015 Rich Kennedy, MediatekSlide 12 References 1.Approved v1.7.3 for National voting: o http://www.ieee802.org/11/private/ETSI_documents/BRAN/05- CONTRIBUTIONS/2014/BRAN(14)000073r1_EN_301_893_HS_5_GHz_RLANs_ for_national_voting.zip http://www.ieee802.org/11/private/ETSI_documents/BRAN/05- CONTRIBUTIONS/2014/BRAN(14)000073r1_EN_301_893_HS_5_GHz_RLANs_ for_national_voting.zip 2.The New Work Item o http://www.ieee802.org/11/private/ETSI_documents/BRAN/05- CONTRIBUTIONS/2014/BRAN(14)000087r5_Revision_of_EN_301_893_to_bec ome_a_HS_under_the_new_RE-Direc.zip http://www.ieee802.org/11/private/ETSI_documents/BRAN/05- CONTRIBUTIONS/2014/BRAN(14)000087r5_Revision_of_EN_301_893_to_bec ome_a_HS_under_the_new_RE-Direc.zip 3.Minutes of the meeting: o http://www.ieee802.org/11/private/ETSI_documents/BRAN/05- CONTRIBUTIONS/2014/BRAN(14)000092r1_Minutes_of_the_RCWG_sessions _during_BRAN_81.doc http://www.ieee802.org/11/private/ETSI_documents/BRAN/05- CONTRIBUTIONS/2014/BRAN(14)000092r1_Minutes_of_the_RCWG_sessions _during_BRAN_81.doc

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