Bandwidth Expansion Method in TXOP Sharing for IEEE 802.11-24/1924r0
Enhance P2P communication through a proposed bandwidth expansion method in the TXOP sharing process for IEEE 802.11be. This method addresses limitations in bandwidth sharing between APs and non-AP STAs, allowing for wider bandwidth utilization during P2P operations within allocated time frames. Fairness is ensured through new channel access procedures, ultimately enhancing P2P throughput in TXS mode 2.
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November 2024 doc.: IEEE 802.11-24/1924r0 Bandwidth Expansion Method in TXOP Sharing Date: 2024-11-11 Authors: Submission Slide 1 Ronny Yongho Kim, KNUT
November 2024 doc.: IEEE 802.11-24/1924r0 Abstract IEEE 802.11be adopted TXS method for supporting P2P and low latency transmission. An AP can share its TXOP to a non-AP STA with the TXS However, when the AP s sharing bandwidth of the sharing TXOP is narrow, the non-AP STA cannot use the available bandwidth in TXS. While the AP s available bandwidth is narrow, the non-AP STA s available bandwidth maybe wide. In this case, the non-AP STA cannot use wide bandwidth for P2P in TXS allocated time despite the non-AP STA can use wide bandwidth. Because one of the 11bn s objectives is P2P enhancement, TXS, which supports P2P, should be enhanced in order to achieve the one of 11bn objectives. In this contribution, non-AP STA s bandwidth expansion method for P2P is proposed. Submission Slide 2 Ronny Yongho Kim, KNUT
November 2024 doc.: IEEE 802.11-24/1924r0 P2P Bandwidth Expansion Method in TXS (1) When an AP s available bandwidth is limited, AP can only share limited bandwidth within the sharingTXOP to a non-AP STA. Because of different view, the non-AP STA s available bandwidth may be wider than the AP. The non-AP STA can use the wide bandwidth for P2P operation In this case, the non-AP STA can expand the bandwidth in the allocated time for P2P When the non-AP STA needs to transmit frames to the AP within the sharing TXOP, it cannot expand the bandwidth. Submission Slide 3 Ronny Yongho Kim, KNUT
November 2024 doc.: IEEE 802.11-24/1924r0 P2P Bandwidth Expansion Method in TXS (2) To ensure fairness, the non-AP STA can perform new channel access procedure in the allocated time Because the non-AP STA performs channel access, fairness can be guaranteed. Submission Slide 4 Ronny Yongho Kim, KNUT
November 2024 doc.: IEEE 802.11-24/1924r0 Summary This submission proposed a P2P bandwidth expansion method in TXOP sharing In TXS mode 2, the non-AP STA can perform P2P communication in the TXS allocated time With the proposed method, the non-AP STA can expand bandwidth in the TXS allocated time With the proposed method, P2P throughput in the TXS allocated time can be enhanced. Submission Slide 5 Ronny Yongho Kim, KNUT
