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AID update procedure for TDLS peer STA

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Presentation on theme: "AID update procedure for TDLS peer STA"— Presentation transcript:

1 AID update procedure for TDLS peer STA
Month Year doc.: IEEE yy/xxxxr0 March 2013 AID update procedure for TDLS peer STA Date: Authors: Name Affiliations Address Phone Jeongki Kim LG Electronics LG R&D Complex Anyang-Shi, Kyungki- Do, Korea Yongho Seok Jinsoo Choi Hangyu Cho Eric Wong Broadcom Sunnyvale, CA Matthew Fischer Yong Liu Minyoung Park Intel Hillsboro, OR Adrian Stephens Tom Tetzlaff Emily Qi Simone Merlin Qualcomm San Diego, CA Santosh Abraham Menzo Wentink Alfred Asterjadhi Amin Jafarian Hemanth Sampath VK jones Jeongki Kim, LG Electronics John Doe, Some Company

2 Authors: March 2013 Month Year doc.: IEEE 802.11-yy/xxxxr0 Name
Affiliations Address Phone Su Khiong Yong Marvell Hongyuan Zhang Sudhir Srinivasa George Calcev Huawei Rolling Meadows, IL, USA Osama Aboul Magd Young Hoon Kwon Betty Zhao David Yangxun Bin Zhen ChaoChun Wang MediaTek James Wang Jianhan Liu Vish Ponnampalam James Yee Huai-Rong Shao   Samsung Electronics Chiu Ngo Minho Cheong ETRI Jae Seung Lee Hyoungjin Kwon Jaewoo Park Sok-kyu Lee Sun, Bo         ZTE Lv, Kaiying         Jeongki Kim, LG Electronics John Doe, Some Company

3 Authors: March 2013 Name Affiliations Address Phone Email
Sayantan Choudhury Nokia Klaus Doppler Chittabrata Ghosh Esa Tuomaala Ken Mori Panasonic Rojan Chitrakar Haiguang Wang I2R Shoukang Zheng Yeow Wai Leong Zander Lei Yuan Zhou Anna Pantelidou Renesas Mobile Juho Pirskanen Timo Koskela Liwen Chu STMicroelectronics George Vlantis Jeongki Kim, LG Electronics

4 Introduction (1/2) AID reassignment protocol [1] [2]
March 2013 Introduction (1/2) AID reassignment protocol [1] [2] A STA’s AID can be reassigned for channel access management [1] AID switch procedure, the related frames and IEs were defined in [2] When an AID is reassigned to a STA, if the STA has the direct connections with other STAs (e.g., TDLS/DLS), the STA should notify the peer STAs of the updated AID information Jeongki Kim, et al., LG Electronics

5 Introduction (2/2) AID update by TDLS Setup procedure March 2013
TDLS Setup procedure is performed via AP A receiver of each frame sends the ACK after SIFS as soon as each frame is received Jeongki Kim, et al., LG Electronics

6 March 2013 Motivation Estimated time of updating the updated AID information to a TDLS peer STA (T_aidupdate) T_aidupdate = (3 * EDCA time (random back off + AIFS) + STA’s frames’s TX time (TDLS Setup request frame + TDLS Setup response frame + TDLS Setup Confirmation frame + 3 * ACK frames ) + 3 * SIFS + Other STAs’s TXs) * 2 If the number of TDLS peer STAs is N, Total T_aidupdate = N * T_aid update The legacy frames also carries the information elements which are not related to AID update (i.e., large frames are used) Need the efficient method for updating AID to TDLS peer STAs in terms of more power saving and resource efficiency Jeongki Kim, et al., LG Electronics

7 Proposal (1/2) March 2013 Category Action Dialog Token Type
A STA informs TDLS peer STAs of the updated AID information when its AID is switched To notify the updated AID to a TDLS peer STA, a STA sends the TBD frame including updated AID information to the TDLS peer STA Upon receiving the TBD frame including the updated AID, the STA updates the AID information of the TDLS peer STA based on the received AID information and sends the ACK frame after SIFS TBD frame format (e.g., TDLS Update Announce frame) If the Type = 0, the updated AID information is included and the detailed IE format is TBD If the Type = 1, the associated STA’s PAID is included for relay operation and the detailed IE format is TBD (Refer to 13/0075r0, Implicit ACK for Relay) Category Action Dialog Token Type Updated AID IE (optional) PAID IE for relay (Optional) 1 octet TBD Jeongki Kim, et al., LG Electronics

8 March 2013 Proposal (2/2) T_aidupdate = EDCA time + TDLS Update Announce TX time + SIFS + ACK TX time Jeongki Kim, et al., LG Electronics

9 March 2013 Summary When an AID is reassigned to a STA, if the STA has the direct connections with other STAs (e.g., TDLS/DLS), the STA should notify the other STAs of the updated AID information For this purpose, using legacy procedure is inefficient in terms of power saving and channel utilization Instead of the legacy method, use the proposed frame (TDLS Update Announce frame) for lower power consumption Jeongki Kim, et al., LG Electronics

10 Reference [1] IEEE 802.11-12/0364r2, AID reassignment protocol
March 2013 Reference [1] IEEE /0364r2, AID reassignment protocol [2] IEEE /1304r0, AID assignment protocol Jeongki Kim, et al., LG Electronics

11 March 2013 Straw poll 1 Do you support that a STA informs TDLS peer STAs of the updated AID information when its AID is switched? Jeongki Kim, et al., LG Electronics

12 March 2013 Straw poll 2 Do you support the TBD frame including the updated AID information and the related procedure for informing the updated AID information as described in slide 7? Jeongki Kim, et al., LG Electronics

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