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Doc.: IEEE 802.11-16/0088 Submission Ng for compressed beamforming feedback January, 2016 Slide 1 Date: 2016-01-15 Authors: Ron Porat, Broadcom, et. al.

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Presentation on theme: "Doc.: IEEE 802.11-16/0088 Submission Ng for compressed beamforming feedback January, 2016 Slide 1 Date: 2016-01-15 Authors: Ron Porat, Broadcom, et. al."— Presentation transcript:

1 doc.: IEEE 802.11-16/0088 Submission Ng for compressed beamforming feedback January, 2016 Slide 1 Date: 2016-01-15 Authors: Ron Porat, Broadcom, et. al. NameAffiliation AddressPhoneEmail Ron Porat Broadcom rporat@broadcom.com Sriram Venkateswaran Matthew Fischer mfischer@broadcom.com Mingyue Ji Leo Montreuil Andrew Blanksby Vinko Erceg

2 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 2 Authors (continued) Ron Porat, Broadcom, et. al. Robert Stacey Intel 2111 NE 25th Ave, Hillsboro OR 97124, USA +1-503-724-893 robert.stacey@intel.com Shahrnaz Azizi shahrnaz.azizi@intel.com Po-Kai Huang po-kai.huang@intel.com Qinghua Li quinghua.li@intel.com Xiaogang Chen xiaogang.c.chen@intel.com Chitto Ghosh chittabrata.ghosh@intel.com Laurent Cariou laurent.cariou@intel.com Yaron Alpert yaron.alpert@intel.com Assaf Gurevitz assaf.gurevitz@intel.com Ilan Sutskover ilan.sutskover@intel.com

3 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 3 Authors (continued) Ron Porat, Broadcom, et. al. NameAffiliationAddressPhoneEmail Hongyuan Zhang Marvell 5488 Marvell Lane, Santa Clara, CA, 95054 408-222-2500 hongyuan@marvell.com Yakun Sun yakunsun@marvell.com Lei Wang Leileiw@marvell.com Liwen Chu liwenchu@marvell.com Jinjing Jiang jinjing@marvell.com Yan Zhang yzhang@marvell.com Rui Cao ruicao@marvell.com Sudhir Srinivasa sudhirs@marvell.com Bo Yu boyu@marvell.com Saga Tamhane sagar@marvell.com Mao Yu my@marvel..com Xiayu Zheng xzheng@marvell.com Christian Berger crberger@marvell.com Niranjan Grandhe ngrandhe@marvell.com Hui-Ling Lou hlou@marvell.com

4 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 4 Authors (continued) Ron Porat, Broadcom, et. al. NameAffiliationAddressPhoneEmail Alice Chen Qualcomm 5775 Morehouse Dr. San Diego, CA, USA alicel@qti.qualcomm.com Albert Van Zelst Straatweg 66-S Breukelen, 3621 BR Netherlands allert@qti.qualcomm.com Alfred Asterjadhi 5775 Morehouse Dr. San Diego, CA, USA aasterja@qti.qualcomm.com Arjun Bharadwaj 5775 Morehouse Dr. San Diego, CA, USA arjunb@qti.qualcomm.com Bin Tian 5775 Morehouse Dr. San Diego, CA, USA btian@qti.qualcomm.com Carlos Aldana 1700 Technology Drive San Jose, CA 95110, USA caldana@qca.qualcomm.com George Cherian 5775 Morehouse Dr. San Diego, CA, USA gcherian@qti.qualcomm.com Gwendolyn Barriac 5775 Morehouse Dr. San Diego, CA, USA gbarriac@qti.qualcomm.com Hemanth Sampath 5775 Morehouse Dr. San Diego, CA, USA hsampath@qti.qualcomm.com Lin Yang 5775 Morehouse Dr. San Diego, CA, USA linyang@qti.qualcomm.com Menzo Wentink Straatweg 66-S Breukelen, 3621 BR Netherlands mwentink@qti.qualcomm.com Naveen Kakani 2100 Lakeside Boulevard Suite 475, Richardson TX 75082, USA nkakani@qti.qualcomm.com Raja Banerjea 1060 Rincon Circle San Jose CA 95131, USA rajab@qit.qualcomm.com Richard Van Nee Straatweg 66-S Breukelen, 3621 BR Netherlands rvannee@qti.qualcomm.com

5 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 5 Authors (continued) Ron Porat, Broadcom, et. al. NameAffiliationAddressPhoneEmail Rolf De Vegt Qualcomm 1700 Technology Drive San Jose, CA 95110, USA rolfv@qca.qualcomm.com Sameer Vermani 5775 Morehouse Dr. San Diego, CA, USA svverman@qti.qualcomm.com Simone Merlin 5775 Morehouse Dr. San Diego, CA, USA smerlin@qti.qualcomm.com Tao Tian 5775 Morehouse Dr. San Diego, CA, USA ttian@qti.qualcomm.com Tevfik Yucek 1700 Technology Drive San Jose, CA 95110, USA tyucek@qca.qualcomm.com VK Jones 1700 Technology Drive San Jose, CA 95110, USA vkjones@qca.qualcomm.com Youhan Kim 1700 Technology Drive San Jose, CA 95110, USA youhank@qca.qualcomm.com

6 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 6 Authors (continued) Ron Porat, Broadcom, et. al. Joonsuk Kim Apple joonsuk@apple.com Aon Mujtaba mujtaba@apple.com Guoqing Li guoqing_li@apple.com Eric Wong ericwong@apple.com Chris Hartmanchartman@apple.com NameAffiliationAddressPhoneEmail James Yee Mediatek No. 1 Dusing 1 st Road, Hsinchu, Taiwan +886-3-567-0766 james.yee@mediatek.com Alan Jauh alan.jauh@mediatek.com Chingwa Hu chinghwa.yu@mediatek.co m Frank Hsu frank.hsu@mediatek.com Thomas Pare Mediatek USA 2860 Junction Ave, San Jose, CA 95134, USA +1-408-526-1899 thomas.pare@mediatek.com ChaoChun Wang chaochun.wang@mediatek.c om James Wang james.wang@mediatek.com Jianhan Liu Jianhan.Liu@mediatek.com Tianyu Wu tianyu.wu@mediatek.com Zhou Lan Zhou.lan@mediaTek.com Russell Huang russell.huang@mediatek.co m

7 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 7 Authors (continued) Ron Porat, Broadcom, et. al. NameAffiliationAddressPhoneEmail Peter Loc Huawei peterloc@iwirelesstech.com Le Liu F1-17, Huawei Base, Bantian, Shenzhen +86-18601656691 liule@huawei.com Jun Luo 5B-N8, No.2222 Xinjinqiao Road, Pudong, Shanghai jun.l@huawei.com Yi Luo F1-17, Huawei Base, Bantian, Shenzhen +86-18665891036 Roy.luoyi@huawei.com Yingpei Lin 5B-N8, No.2222 Xinjinqiao Road, Pudong, Shanghai linyingpei@huawei.com Jiyong Pang 5B-N8, No.2222 Xinjinqiao Road, Pudong, Shanghai pangjiyong@huawei.com Zhigang Rong 10180 Telesis Court, Suite 365, San Diego, CA 92121 NA zhigang.rong@huawei.com Rob Sun 303 Terry Fox, Suite 400 Kanata, Ottawa, Canada Rob.Sun@huawei.com David X. Yang F1-17, Huawei Base, Bantian, Shenzhen david.yangxun@huawei.com Yunsong Yang 10180 Telesis Court, Suite 365, San Diego, CA 92121 NA yangyunsong@huawei.com Junghoon Suh 303 Terry Fox, Suite 400 Kanata, Ottawa, Canada Junghoon.Suh@huawei.com Jiayin Zhang 5B-N8, No.2222 Xinjinqiao Road, Pudong, Shanghai +86-18601656691 zhangjiayin@huawei.com Edward Au 303 Terry Fox, Suite 400 Kanata, Ottawa, Canada edward.ks.au@huawei.com Teyan Chen F1-17, Huawei Base, Bantian, Shenzhen chenteyan@huawei.com Yunbo Li F1-17, Huawei Base, Bantian, Shenzhen liyunbo@huawei.com

8 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 8 Authors (continued) Ron Porat, Broadcom, et. al. NameAffiliationAddressPhoneEmail Jinmin Kim LG Electronics 19, Yangjae-daero 11gil, Seocho-gu, Seoul 137- 130, Korea Jinmin1230.kim@lge.com Kiseon Ryu kiseon.ryu@lge.com Jinyoung Chun jiny.chun@lge.com Jinsoo Choi js.choi@lge.com Jeongki Kim jeongki.kim@lge.com Dongguk Lim dongguk.lim@lge.com Suhwook Kim suhwook.kim@lge.com Eunsung Park esung.park@lge.com JayH Park Hyunh.park@lge.com HanGyu Cho hg.cho@lge.com Thomas DerhamOrange thomas.derham@orange.com Bo Sun ZTE #9 Wuxingduan, Xifeng Rd., Xi'an, China sun.bo1@zte.com.cn Kaiying Lv lv.kaiying@zte.com.cn Yonggang Fang yfang@ztetx.com Ke Yao yao.ke5@zte.com.cn Weimin Xing xing.weimin@zte.com.cn Brian Hart Cisco Systems 170 W Tasman Dr, San Jose, CA 95134 brianh@cisco.com Pooya Monajemi pmonajem@cisco.com

9 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 9 Authors (continued) Ron Porat, Broadcom, et. al. NameAffiliationAddressPhoneEmail Fei Tong Samsung Innovation Park, Cambridge CB4 0DS (U.K.) +44 1223 434633 f.tong@samsung.com Hyunjeong Kang Maetan 3-dong; Yongtong-Gu Suwon; South Korea +82-31-279-9028 hyunjeong.kang@samsung.com Kaushik Josiam 1301, E. Lookout Dr, Richardson TX 75070 (972) 761 7437 k.josiam@samsung.com Mark Rison Innovation Park, Cambridge CB4 0DS (U.K.) +44 1223 434600 m.rison@samsung.com Rakesh Taori 1301, E. Lookout Dr, Richardson TX 75070 (972) 761 7470 rakesh.taori@samsung.com Sanghyun Chang Maetan 3-dong; Yongtong-Gu Suwon; South Korea +82-10-8864-1751 s29.chang@samsung.com Yasushi Takatori NTT 1-1 Hikari-no-oka, Yokosuka, Kanagawa 239-0847 Japan +81 46 859 3135 takatori.yasushi@lab.ntt.co.jp Yasuhiko Inoue +81 46 859 5097 inoue.yasuhiko@lab.ntt.co.jp Shoko Shinohara +81 46 859 5107 Shinohara.shoko@lab.ntt.co.jp Yusuke Asai +81 46 859 3494 asai.yusuke@lab.ntt.co.jp Koichi Ishihara +81 46 859 4233 ishihara.koichi@lab.ntt.co.jp Junichi Iwatani +81 46 859 4222 Iwatani.junichi@lab.ntt.co.jp Akira YamadaNTT DOCOMO 3-6, Hikarinooka, Yokosuka- shi, Kanagawa, 239-8536, Japan +81 46 840 3759 yamadaakira@nttdocomo.com

10 doc.: IEEE 802.11-16/0088 Submission January, 2016 Slide 10 Authors (continued) Ron Porat, Broadcom, et. al. NameAffiliationAddressPhoneEmail Masahito Mori Sony Corp. Masahito.Mori@jp.sony.com Yusuke TanakaYusukeC.Tanaka@jp.sony.com Yuichi MoriokaYuichi.Morioka@jp.sony.com Kazuyuki SakodaKazuyuki.Sakoda@am.sony.com William CarneyWilliam.Carney@am.sony.com

11 doc.: IEEE 802.11-16/0088 Submission Background In 11ax, the number of tones has quadrupled relative to 11ac (for the same BW) and with it potentially the severity of the FB overhead. Current IEEE spec framework states –The amendment shall define a mechanism to reduce the MIMO compressed beamforming feedback overhead –That mechanism shall use the compressed beamforming feedback as defined in section 8.4.1.48 in 802.11ac as a baseline –In the IEEE September meeting we agreed that Ng = 1 won’t be used. In this contribution we investigate values of Ng greater than 1 for many channels, configurations, SU and MU and try to conclude on a set of Ng values that provides good balance between efficiency, performance and minimizing options January, 2016 Slide 11Ron Porat, Broadcom, et. al.

12 doc.: IEEE 802.11-16/0088 Submission Simulations January, 2016 Slide 12Ron Porat, Broadcom, et. al. Extensive simulations over many cases SU ‒ 4x1, 8x1, 8x2, 8x4 MU 4x1, 3 users, Nss = 1/user 8x1, 3 users, Nss = 1/user 8x1, 6 users, Nss = 1/user 8x2, 3 users, Nss = 2/user 8x2, 6 users, Nss = 1/user Channels considered: 11nB, 11nD, 11nE, UMi-LoS Full results in appendix, following two slides show sample results

13 doc.: IEEE 802.11-16/0088 Submission Results: Ng = 16 Useful in many SU cases and simpler MU cases January, 2016 Slide 13Ron Porat, Broadcom, et. al. SU: 8 antenna AP, 2 antenna STA, 11nD channel MU: 3 STAs each with 2 antennas, 8 antenna AP, 11nD channel Ng = 16 is optimal (or near optimal) in about 55% of the cases simulated

14 doc.: IEEE 802.11-16/0088 Submission Results: Ng = 4 Ng = 4 – used in more challenging SU and MU cases January, 2016 Slide 14Ron Porat, Broadcom, et. al. MU: 6 STAs each with 1 antenna, 8 antenna AP SU: 8 antenna AP, 4 antenna STA, 11nD channel Ng = 4 is optimal (or near optimal) in about 45% of the cases simulated

15 doc.: IEEE 802.11-16/0088 Submission Conclusion Investigated choices for tone grouping parameter Ng. Propose two values –Ng = 16: Achieves peak goodput for many SU cases and for the simpler MU cases (same overhead as 11ac Ng = 4) –Ng = 4: Suffices for the more challenging SU and MU cases and has same overhead as 11ac Ng = 1 In addition for MU, propose to feed back delta SNR on all tones where the V matrix is fed back –Unlike 11ac where delta SNR was fed back on half the tones used to feed back V –This prevents an effective Ng of 8 and 32 for delta SNR and simplifies the STA processing with very minimal increase in overhead January, 2016 Slide 15Ron Porat, Broadcom, et. al.

16 doc.: IEEE 802.11-16/0088 Submission SP #1 January, 2016 Slide 16Ron Porat, Broadcom, et al. Do you support adding to the TG Specification Framework: The compressed beamforming report shall support the following values for the tone grouping parameter Ng: Ng = 4 and Ng = 16 (Ng is referenced to the HE 4x payload tones). Yes No Abstain

17 doc.: IEEE 802.11-16/0088 Submission SP #2 January, 2016 Slide 17Ron Porat, Broadcom, et al. Do you support adding to the TG Specification Framework: In the MU Exclusive Beamforming Report for the delta SNR, the locations of the feedback tones shall be identical to the tone locations of the compressed V matrices fed back Yes No Abstain

18 doc.: IEEE 802.11-16/0088 Submission Appendix January, 2016 Slide 18Ron Porat, Broadcom, et. al.

19 doc.: IEEE 802.11-16/0088 Submission SU 4 x 1 January, 2016 Slide 19Ron Porat, Broadcom, et al.

20 doc.: IEEE 802.11-16/0088 Submission SU 8 x 1 January, 2016 Slide 20Ron Porat, Broadcom, et al.

21 doc.: IEEE 802.11-16/0088 Submission SU 8 x 2 January, 2016 Slide 21Ron Porat, Broadcom, et al.

22 doc.: IEEE 802.11-16/0088 Submission SU 8 x 4 January, 2016 Slide 22Ron Porat, Broadcom, et al.

23 doc.: IEEE 802.11-16/0088 Submission MU 4x1, 3 users January, 2016 Slide 23Ron Porat, Broadcom, et al.

24 doc.: IEEE 802.11-16/0088 Submission MU 8x1, 3 users January, 2016 Slide 24Ron Porat, Broadcom, et al.

25 doc.: IEEE 802.11-16/0088 Submission MU 8x1, 6 users January, 2016 Slide 25Ron Porat, Broadcom, et al.

26 doc.: IEEE 802.11-16/0088 Submission MU 8x2, 3 users, Nss = 2/user January, 2016 Slide 26Ron Porat, Broadcom, et al.

27 doc.: IEEE 802.11-16/0088 Submission MU 8x2, 6 users January, 2016 Slide 27Ron Porat, Broadcom, et al.

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