IEEE 802.11be Standard for NS/EP Priority Service Capability in WLANs
"Explore the IEEE 802.11-20-0948/r1 document discussing the approval and acceptance of priority access support for National Security and Emergency Preparedness (NS/EP) services in WLANs. The focus is on providing standardized mechanisms for NS/EP services without additional infrastructure, benefiting various critical applications and services."
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July 2020 doc.: IEEE 802.11-20-0948/r1 NS/EP Priority Service Capability Information Date: 2020-07-10 Authors: Name Subir Das John Wullert Kiran Rege An Nguyen Frank Suraci Affiliations Perspecta Labs Address 150 Mt. Airy Road, Basking Ridge, New Jersey, 07920, USA 245 Murray Lane, Building 410 Washington, DC 20528-8510 Phone 908 748 2483 908 748 2687 732 898 8420 202 297 1817 703 307 4422 email (sdas,jwullert, krege) @perspectalabs.com DHS/CISA/ECD (an.p.nguyen, frank.suraci) @cisa.dhs.gov Submission Slide 1 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 Overview Priority access support for National Security and Emergency Preparedness (NS/EP) priority services was approved as a work item in IEEE 802.11be during January 2020 meeting [1] Priority access indication support for National Security and Emergency Preparedness (NS/EP) Priority Services was accepted in June Teleconference in [2] Objective Summary A standardized mechanism to support the NS/EP Priority Services in WLANs without requiring additional infrastructure Priority Access in IEEE 802.11be would also be beneficial to other services ( e.g., Public- Safety Mission-Critical Services, Critical medical applications) Submission Slide 2 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 Motivation If the priority access for NS/EP Priority Services is supported in a BSS, non-AP STA should be able to gather such capability information from an AP STA before Association/Re-association If the priority access for NS/EP Priority Services is supported in a non-AP STA, it should be able to provide such capability information to an AP STA Submission Slide 3 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 Priority Service Capability Information We propose to include the NS/EP Priority Service capability information in EHT MAC Capability Information Element Submission Slide 4 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 Indicating Priority Service Capability EHT MAC Element ID Length Priority Service Info . 1 Octets Variable 1 When dot11PriorityService is true, priority channel access for NS/EP Priority Service shall be supported When priority channel access is not supported, dot11PriorityService is false When the IEEE 802.11 infrastructure is informed of the availability of Priority Service (the mechanism by which is outside the scope of this standard), an AP STA with dot11PriorityService equal true shall advertise the support of the priority channel access by including the Priority Service Information in its Beacon and Probe Response frames A non-AP STA with dot11PrirotiyService equal true shall include the Priority Service Information in its Probe Request and (Re) Association Request frames Submission Slide 5 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 Straw Poll #1 Do you support the addition of following text to TGbe SFD? The Priority Service Information shall be defined in EHT MAC Capability Information Element to exchange the NS/EP Priority Service capability information Y: N: A: Submission Slide 6 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 Straw Poll #2 Do you support the addition of following text to TGbe SFD? The Priority Service if supported by a BSS, AP STA shall advertise such capability information in Beacon and Probe Response frames Y: N: A: Submission Slide 7 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 Straw Poll #3 Do you support the addition of following text to TGbe SFD? The Priority Service if supported by a non-AP STA, non-AP STA shall include such capability information in Probe Request and (Re) Association Request frames Y: N: A: Submission Slide 8 Subir Das, Perspecta Labs
July 2020 doc.: IEEE 802.11-20-0948/r1 References [1] 11-19-1901-04-00be-priority-access-support-in-ieee-802-11be-what-and-why.pptx [2] 11-20-0463-03-00be-priority-access-support-options-for-ns-ep-serveices.pptx [3] 11-20-0021-01-00be-Priority-Access-support_for_NS_EP_Services.pptx, [4] IEEE P802.11ax /D6.0, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, Amendment 1: Enhancements for High Efficiency WLAN , November 2019 [5] IEEE Std 802.11 -2016, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications , 7 December 2016 Submission Slide 9 Subir Das, Perspecta Labs
