March 2024 IEEE 802.11 Coexistence Standing Committee Closing Report
March 2024 IEEE 802.11 Coexistence Standing Committee closing report provides updates on various standards and discussions related to wireless access systems, radio local area networks, broadband fixed wireless access, and more. The report covers meetings, tutorials, submissions, and progress on different work items within the committee.
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March 2024 doc.: IEEE 802.11-24/0268r0 Coex SC Closing Report Date: 2024-04-15 Authors: Name Marc Emmelmann Affiliations Address SELF Phone email emmelmann@ieee.org Berlin, Germany Submission Slide 1 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Abstract Closing report for IEEE 802.11 Coex SC (Coexistence Standing Committee) for March 2024. Submission Slide 2 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Coex SC s week at a glance Met three times & Tutorial on AFC Two Coex SC (only) slots One Joint session with 15.4.ab 7 Coex Submissions & Discussions with 15.4ab Submission Slide 3 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 ETST BRAN Update to 802.11 (1/3) EN 301 893 (Wireless Access System/Radio Local Area Network (WAS/RLAN) in the license-exempt 5 GHz band) Version 2.2.0 one of the first Harmonized Standards (HSs) to undergo Standardisation Request deliverables Approval Process (SRdAP) SRdAP replacing ENAP Resolution of all comments provided; recirculation to start soon EN 303 753 (Wideband Data Transmission Systems (WDTS) for mobile and fixed radio equipment operating in the 57 GHz to 71 GHz band) ETSI TC BRAN addressed all comments on the initial 90 d ENAP additional 90 d EN Approval Procedure (ENAP) ongoing Slide 4 Submission Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 ETST BRAN Update to 802.11 (2/3) EN 303 687 (Wireless Access System/Radio Local Area Network (WAS/RLAN) in the license-exempt 6 GHz band) Version 1.1.1 published by ETSI and reviewed by European Commission (EC) EC criticizes normative reference to IEEE 802.11ax-2021 because EC does not recognize IEEE as SDO ETSI TC BRAN developed response to EC Ongoing / new work item discussions: Spectrum mask for 320 MHz Discussions on Client-to-Client operation and medium access requirements for Narrowband Frequency Hopping (NB FH) Submission Slide 5 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 ETST BRAN Update to 802.11 (3/3) EN 302 502 (Broadband Fixed Wireless Access (BFWA)) In Europe, multiple assignments for the 5.8 GHz band No progress on open work item since 2017 In January 2024, ETSI s Board approved TC BRAN s request to stop the EN 302 502 WI National Standards Body Group (NSBG) approved Stopping a Work Item Submission Slide 6 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Update from Bluetooth SIG Work Recent actions Continued review of sharing simulation results at Bluetooth SIG and ETSI BRAN Heard several proposals for access mechanisms LBT Secondary Channel Deferral LBT Secondary Channel Deferral LBT with EDT Ramp-up Dynamic Puncturing Discussion of acceptable limits Submission Slide 7 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Technical Submissions & Discussion Items (1/2) Tutorial "Automated Frequency Coordination (AFC) (Monday 802 tutorial) Additional technical submissions addressed Improving performance of LBT-enabled NB devices (24/521) Follow-up to IEEE 802.11-24/0055r0, Evaluation of Puncturing for Coexistence of IEEE 802.11 and Bluetooth in 6 GHz (24/445) --> and discussion of underlying ETSI BRAN submission showing details on the performance of Bluetooth (24/603) Submission Slide 8 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Technical Submissions & Discussion Items (2/2) Joint Session Coex SC with 802.15.4ab CCA Modes in 802.15.4 (24/360) Next Step: continue with joint session in March; intermediate telco (if submissions are announced) Suggest to review CCA Mode presentation in .15.4 to provide feedback Potential way forward Continue technical discussions to increase technical awareness on potential coexistence schemes . and thus prepare for subsequent discussions in ETSI BRAN Consider joint work on specific draft text Develop a joint position on potential technical coexistence approaches to present at ETSI BRAN Slide 9 Submission Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Plans for May Coex slots: One joint 802.11 Coex SC 802.15.4ab Tuesday EVE Two dot11 Coex (only) slot (one before and one after the joint session with .15.4ab) Joint dot11 dot15.4ab slot: Agenda tbd. Coex (only): VC Elections Update on ETSI BRAN Update on Bluetooth SIG Technical submissions (tba) Progress discussion on a potential joint view on potential coexistence schemes for the June ETSI BRAN meeting Note: coexistence-related topics are welcome. Please contact the Chair Submission Slide 10 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Telcos One telco to continue discussion with 802.15.4ab Coex SC members will join 802.15.4ab telco bridge. Coex SC 15.4ab JOINT Telco Tuesday, April 30, 2024 9:00h -- 10:00h ET Webex Provided by 802.15.4ab Submission Slide 11 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 References for this week Agenda for this week: Snapshot Slide: Meeting / Chair s Slide Deck: Closing report: Meeting minutes: 11-24/0265 11-24/0266 11-24/0267 11-24/0268 11-24/0609 Submission Slide 12 Marc Emmelmann (SELF)
March 2024 doc.: IEEE 802.11-24/0268r0 Coex Submissions ETSI TC BRAN update, January 2024 CCA Modes in 802.15.4 18-24/0023 11-24/0360 Bluetooth SIG March 2024 Update 11-24/0311 Follow-up to IEEE 802.11-24/0055r0 Puncturing for Coexistence 11-24/0445 Improving performance of LBT-enabled NB devices ETSI TC BRAN update, January 2024 11-24/0521 18-24/0023 Balancing Wideband & Narrowband Frequency Hopping Channel Access Mechanisms for Operation in 6GHz ETSI BRAN Submission (see https://www.ieee802.org/11/private/ETSI _documents/BRAN/05- CONTRIBUTIONS/2024/2024_02_19_O R_BRAN%23123/BRAN(24)123011r1_B alancing_Wideband_and_Narrowband_ Frequency_Hopping_Channel_.pdf) Submission Slide 13 Marc Emmelmann (SELF)
