MLPM Control Subfield Comparison for Multi-Link Power Management
Explore the comparison of 3 designs for MLPM Control subfield in IEEE 802.11-25/.0199r0 related to multi-link power management. Design 1 and Design 3 are straightforward, while Design 2 is more complex without additional benefits. The proposed approach involves sharing the PM subfield in the Frame Control field with a bitmap in the MLPM Control subfield to indicate STAs other than the sending STA for efficient power management across multiple links.
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Jan 2025 Doc.: IEEE 802.11-25/ 0199r0 Power Management Across Multi-Link Date: 2025-01-23 Authors: Name Affiliation Address Mail Xiangxin Gu Spreadtrum Spreadtrum Center, Lane 2288, Zu Chongzhi Road, Shanghai Xiangxin.gu@unisoc.com Yingqiao Quan Spreadtrum Yingqiao.quan@unisoc.com Lei Zhou H3C zhou.leiH@h3c.com Submission Slide 1 Xiangxin Gu (Spreadtrum)
Jan 2025 Doc.: IEEE 802.11-25/ 0199r0 Recap It time to design MLPM Control subfield. Submission Slide 2 Xiangxin Gu (Spreadtrum)
Jan 2025 Doc.: IEEE 802.11-25/ 0199r0 Discussion 3 designs to indicate PM mode for multi-link. Design 1: Sharing PM subfield in Frame Control field with a bitmap in MLPM Control subfield to indicate STA(s) other than the STA sent the frame. Design 2: A separate PM subfield and a bitmap in MLPM Control subfield for STA(s) other than the STA sent the frame. Design 3: A separate PM subfield for each STA(s) other than the STA sent the frame in MLPM Control subfield. Design 1: Sharing PM subfield in Frame Control field Design 2: A separate PM subfield for other STA(s) Design 3: A separate PM subfield for each other STA(s) Same PM mode change as the STA sent the frame. Need another frame on another link to treat other scenarios. Same PM mode change for STA(s) other than the STA sent the frame. Need another frame to treat other scenarios. Changing PM mode for each STA. Feasible to treat all scenarios. Triggering DL data for STA(s) in PM mode. Can indicate subset of STA(s) in PM mode. Can indicate subset of STA(s) in PM mode. Can t indicate subset of STA(s) in PM mode. Submission Slide 3 Xiangxin Gu (Spreadtrum)
Jan 2025 Doc.: IEEE 802.11-25/ 0199r0 Discussion Each design has pros and cons. Design 1 (Sharing PM subfield in Frame Control field) and Design 3 (A separate PM subfield for each other STA(s) ) are straightforward. Design 2 is more complex than Design 1 but no gains. Design 3 can t deal with triggering DL data for STA(s) in PM mode. Submission Slide 4 Xiangxin Gu (Spreadtrum)
Jan 2025 Doc.: IEEE 802.11-25/ 0199r0 Summary In this contribution, we compared 3 designs for MLPM Control subfield. Each design has pros and cons. Design 1 (Sharing PM subfield in Frame Control field) and Design 3 (A separate PM subfield for each other STA(s) ) are straightforward. Design 2 is more complex than Design 1 but no gains. Design 3 can t deal with triggering DL data for STA(s) in PM mode. It is proposed to use Design 1 (Sharing PM subfield in Frame Control field with a bitmap in MLPM Control subfield to indicate STA(s) other than the STA sent the frame) for multi-link power management. Submission Slide 5 Xiangxin Gu (Spreadtrum)
Jan 2025 Doc.: IEEE 802.11-25/ 0199r0 SP Do you agree to that multi-link power management shares PM subfield in Frame Control field with a bitmap in MLPM Control subfield to indicate STA(s) other than the STA sent the frame? Submission Slide 6 Xiangxin Gu (Spreadtrum)
Jan 2025 Doc.: IEEE 802.11-25/ 0199r0 References [1] 11-25-0014-07-00bn-tgbn-motions-list-part-2.pptx Alfred Asterjadhi [2] 11-24-2016-03-00bn-pdt-mac-power-save.docx Liwen Chu [3] 11-22-2045-01-00be-lb266-cr-misc-part2.docx Minyoung Park Submission Slide 7 Xiangxin Gu (Spreadtrum)
