15/0718r8 - IEEE Standards Association

15/0718r8 - IEEE Standards Association

Jan 2018 doc.: IEEE 802.11-18/121r1 BRP frame exchange in TDD SP Authors: Name Company Lochan Verma Qualcomm Address Phone Email [email protected] George Cherian [email protected] Solomon Trainin [email protected] Assaf Kasher

[email protected] Djordje Tujkovic Facebook [email protected] [email protected] Payam Torab Carlos Cordeiro Intel [email protected] Michael Grigat Deutsche Telekom [email protected] Submission Slide 1 Qualcomm

Jan 2018 doc.: IEEE 802.11-18/121r1 Outline BRP (Beam Refinement Protocol) is a request and response process The response frame to a BRP request frame is a BRP response frame (carrying either feedback or a TRN field) Response shall be transmitted > SIFS (3 us) and shall transmit a beam refinement response, starting at the earliest occurring TDD slot the non-AP and nonPCP STA is assigned to, with access permission of the TDD slot set to simplex RX TDD slot, and with slot category of the TDD slot set to Basic TDD slot, as indicated in the TDD Slot Schedule element (see 9.4.2.268). Submission Slide 3 Qualcomm Jan 2018 doc.: IEEE 802.11-18/121r1 Example Draft Text for DMG AP and PCP A DMG AP or PCP operating in an SP with TDD channel access (see 10.36.6.2.2 (SP with TDD Channel Access)) that receives from a non-AP and non-PCP STA, a beam refinement request shall transmit a beam refinement response, starting at the earliest occurring TDD slot the non-AP and non-PCP STA is assigned to, with access permission of the TDD slot set to simplex TX TDD slot, and with slot category of the TDD slot set to Basic TDD slot, as indicated in the TDD Slot

Schedule element (see 9.4.2.268). Submission Slide 4 Qualcomm Jan 2018 doc.: IEEE 802.11-18/121r1 SP #1 Do you agree that in TDD SP operation the beam refinement response to a beam refinement request shall be transmitted at the start of the earliest occurring TDD Slot that allows for its transmission NOTE: This is introduced to prohibit bi-directional exchange of BRP request and BRP response frames in a Basic TDD Slot Y:N:A Submission Slide 5 Qualcomm

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