ETSI BRAN Update IEEE 802 11 CoExistence Workshop

ETSI BRAN Update (IEEE 802. 11 Co-Existence Workshop) Presented by: David Boldy © ETSI 2019 For: Vienna, July 2019

Agenda Status of 6 GHz in Europe 6 GHz work within ETSI 5 GHz update © ETSI 2019 2

6 GHz European Regulatory and Standardization Time Line Draft Report A approved by WG FM SE 45 Sharing Study Under Way EC Mandate 5925 -6425 Study FM 57 & SE 45 created ECC Report 302 approved Draft Report A from CEPT to EC SE 45 Sharing Study Complete 2018 ETSI SRDoc TR 103 524 published Final Report A Draft Report B March July April 2017 Current date June May ECC WI 5925 -6425 MHz ETSI SRDoc TR 103 524 WI adopted WI on ECC Decision 2019 WI for a 6 GHz Harmonized EN launched in TC BRAN EC Decision ECC Decision Final Report B from CEPT to EC July 2020 2021 + ETSI 6 GHz Harmonized EN published in OJEU

6 GHz Work Within ETSI BRAN –Technology Neutral Systems Reference Document SRDOC TR 103 524 (5925 -6725 MHz) - published Technical report TR 103 631 (6725 -7125 MHz) - published ETSI MSG TFES - IMT Technical Report TR 103 612 (6425 -7125 MHz) – Final draft for approval ETSI BRAN - Work Item for 6 GHz Harmonized Standard © ETSI 2019 4

Status of 6 GHz in Europe SE 45 2019 -05 -31 - ECC Report 302 approved for publication by WGSE SE 45 kept open until FM 57 work is complete FM 57 2019 -06 -06 – WGFM #94 endorsed Draft CEPT Report A Provided to ECC for Public Consultation Complementary Studies per Task 2 of EC Mandate (LS to WGSE) VLP outdoor impact on FS short term interference CEPT Report B – Timeline July 2020 WGFM#94 2019 -06 -05 - New WI (FM 57_04) adopted to develop ECC Decision on 6 GHz RLAN © ETSI 2019 5

Work Item – Harmonized Standard for 6 GHz RLANs © ETSI 2019 6

ETSI EN Approval Process (ENAP) HAS Consultant Approval Oct 2019 BRAN#103 Dependent upon ETSI and CEPT timelines June 2019 © ETSI 2019 CEPT Report B sent to EC (June 2020? ? ) 7

6 GHz Work Program © ETSI 2019 8

5 GHz Update © ETSI 2019

Brief History of Adaptivity (Channel Access) Nov 2011: v 1. 6. 1 “Adaptivity” requirements first introduced replacing the “Medium Access Protocol” requirement Jan 2015: V 1. 8. 1 Options A and B, plus IEEE Option with test BRAN#81 – Agreement to replace A/B options with a single option in next RED version v 2. 1. 1. Technology specific reference should not go in the next version. Work item REN/BRAN-0060015 scope ………. . . (4) To improve Adaptivity for Load Based Equipment by replacing the current 2 alternative options with a single solution that provides equal (spectrum) access to different technologies. June 2016: BRAN#88 Coexistence sessions complete in draft v 0. 0. 9 and future input moved to drafting sessions. Temporary declaration option included for some load based adaptivity tests March 2017: BRAN#92 Final draft v 2. 0. 11 approved by TC BRAN. Published as RED Version v 2. 1. 1 May 2017 Next version to consider: Single ED threshold limit, general review of adaptivity Guidance of the European Commission to disallow manufacturer declarations to achieve compliance Latest draft: Removal of exception to declare compliance instead of testing. More generic text for ED to allow option conditioned on use of PD, as well as an option for ED only, for all technologies IEEE 802. 11 preamble detection test must be included if using PD © ETSI 2019 10

Lessons learned Agreement is possible even with contentious issues Contention ED Threshold Channelization Maximum COT Paused COT(re: LAA) Exponential Back off, CW size Simulations Agreement 2 options available (ED Only or ED/PD) for any technology (PD with an 802. 11 a preamble, see latest draft) Same 20 MHz Nominal Center frequencies (200 k. Hz deviation allowed) Tables 7 and 8 Tables 7 (Notes 1/2) and 8 (Note 1) Tables 7 and 8 EN 301 893 v 2. 1. 1 Meeting schedules often made LS communication inefficient © ETSI 2019 11

Status of 5 GHz (EN 301 893 v 2. 2. 1) Outstanding issues for adaptivity as of close of BRAN#102 Paused COT (Re: NR-U) No LBT/Short LBT usage Delayed ACKs and Broadcast Transmissions Defining Test for IEEE preamble Expected Final draft approval: BRAN#104 What can we do better for 6 GHz? © ETSI 2019 12

Next related BRAN meetings Relative EDT Levels Go. To Meeting 1 st August 2019, 15: 00 -18: 00 CET Preamble Detect testing investigation Hosted by Rohde&Schwarz (Munich): 20 th August 2019 BRAN#103 7 -10 October 2019 BRAN#104 2 -5 December 2019 Participation / Proposals / Contributions welcome!! © ETSI 2019 13