1. doc.: IEEE 802.11-15/1310r0 Submission Slide 1 Alice Chen, Bin Tian (Qualcomm) NameAffiliationAddressPhoneEmail Alice Chen Qualcomm 5775 Morehouse Dr. San Diego, CA, USA alicel@qti.qualcomm.com Lin Yang 5775 Morehouse Dr. San Diego, CA, USA linyang@qti.qualcomm.com Bin Tian 5775 Morehouse Dr. San Diego, CA, USA btian@qti.qualcomm.com Sameer Vermani 5775 Morehouse Dr. San Diego, CA, USA svverman@qti.qualcomm.com Youhan Kim 1700 Technology Drive San Jose, CA 95110, USA youhank@qca.qualcomm.com 11ax LDPC Tone Mapper for 160MHz Date: 2015-11-09 November 2015 Authors

2. doc.: IEEE 802.11-15/1310r0 Submission Slide 2 Authors (continued) NameAffiliationAddressPhoneEmail Albert Van Zelst Qualcomm 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 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 Menzo Wentink Straatweg 66-S Breukelen, 3621 BR Netherlands mwentink@qti.qualcomm.com Naveen Kakani 2100 Lakeside Blvd, Suite 475, RichardsonTX, 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 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 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

3. doc.: IEEE 802.11-15/1310r0 Submission Slide 3 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 NameAffiliation AddressPhoneEmail Ron Porat Broadcom rporat@broadcom.com Sriram Venkateswaran mfischer@broadcom.com Matthew Fischer Leo Montreuil Andrew Blanksby Vinko Erceg Authors (continued)

4. doc.: IEEE 802.11-15/1310r0 Submission Slide 4 Authors (continued) 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

5. doc.: IEEE 802.11-15/1310r0 Submission Slide 5 Authors (continued) 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

6. doc.: IEEE 802.11-15/1310r0 Submission Slide 6 Authors (continued) 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

7. doc.: IEEE 802.11-15/1310r0 Submission Slide 7 Authors (continued) 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

8. doc.: IEEE 802.11-15/1310r0 Submission Slide 8 Authors (continued) 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 takatori.yasushi@lab.ntt.co.jp Yasuhiko Inoue inoue.yasuhiko@lab.ntt.co.jp Shoko Shinohara Shinohara.shoko@lab.ntt.co.jp Yusuke Asai asai.yusuke@lab.ntt.co.jp Koichi Ishihara ishihara.koichi@lab.ntt.co.jp Junichi Iwatani Iwatani.junichi@lab.ntt.co.jp Akira Yamada NTT DOCOMO 3-6, Hikarinooka, Yokosuka- shi, Kanagawa, 239-8536, Japan yamadaakira@nttdocomo.com Fujio Watanabe 3240 Hillview Ave, Palo Alto, CA 94304 watanabe@docomoinnovations. com Haralabos Papadopoulos hpapadopoulos@docomoinnova tions.com

9. doc.: IEEE 802.11-15/1310r0 Submission Slide 9 Authors (continued) 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

10. doc.: IEEE 802.11-15/1310r0 Submission Introduction 11ax has defined the following resource unit (RU) sizes –26, 52, 106, 242, 484, 996 and 2x996 tones Except for the RU size of 2x996 tones (160/80+80MHz), the BCC interleaver and LDPC tone mapper designs of all the other RU sizes have been determined in [1] –LDPC is the only coding scheme for 2x996 tone RU [2] In this contribution, two LDPC tone mapping options for the 2x996 tone RU are examined –Option 1: 11ac alike segment parsing + tone mapping within each segment across 980 data tones –Option 2: no segment parsing, tone mapping (with D TM ) across 1960 data tones Alice Chen, Bin Tian (Qualcomm)Slide 10 November 2015

11. doc.: IEEE 802.11-15/1310r0 Submission LDPC Tone Mapper Design Option 1: D TM =20 across each 80MHz with segment parsing Option 2: Without segment parsing, D TM design for N SD =1960 –Has to be an integer divisor of the number of subcarriers, N SD Candidates: 10,14,20,28,35,40,49,56,70 November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 11

12. doc.: IEEE 802.11-15/1310r0 Submission Simulation Assumptions Simulation setup –160MHz, 1960 data tones –Channel Model, CP, and MIMO Configurations DNLoS, CP=0.8us, 1x1, 2x2 (2ss), 4x4 (3ss) UMi-NLoS, CP=3.2us, 1x1 –Payload: 2914B(MCS 0/2/4)/3238B(MCS7/9) –MMSE receiver –5000 channel realizations –Ideal timing/frequency/phase –Ideal channel estimation November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 12

13. doc.: IEEE 802.11-15/1310r0 Submission 1x1 in DNLoS November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 13

14. doc.: IEEE 802.11-15/1310r0 Submission Lowest SNR values in each column has background colors Option 1: with segment parsing Option 2: without segment parsing – Best SNR performance values are mainly at D TM = {10,14,20,28} The difference between Option 1 and option 2 (with optimal D TM ) is negligible Performance Summary in 1x1 DNLoS MCS2MCS4MCS7MCS9 D_TMSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PER 10 10.107111.581316.490718.143224.557126.333229.653931.3845 14 10.11111.638616.4318.025824.418326.186229.567731.3121 20 10.075411.593716.41718.025824.404726.186229.472331.2096 28 10.086511.517416.503518.169624.470926.218429.542731.2835 35 10.134511.679316.536418.209624.643126.420529.604631.2956 40 10.142111.680616.605118.277424.689726.427929.696531.5313 49 10.204511.841416.709518.39724.994626.879329.940731.8352 56 10.256311.798416.896718.674325.205227.141730.169932.2212 70 10.449212.161117.117418.892325.634127.800830.574832.7541 1st 2nd 3rd 4th MCS2MCS4MCS7MCS9 D_TMSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PER 2010.068711.572816.443218.083824.416726.20229.458731.1477 November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 14

15. doc.: IEEE 802.11-15/1310r0 Submission 2x2 2ss in DNLoS November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 15

16. doc.: IEEE 802.11-15/1310r0 Submission Lowest SNR values in each column has background colors Option 1: with segment parsing Option 2: without segment parsing – Lowest SNR values are mainly at D TM = {10,14,20,28} The difference between Option 1 and option 2 (with optimal D TM ) is negligible Performance Summary in 2x2 2ss DNLoS 1st 2nd 3rd 4th MCS2MCS4MCS7MCS9 D_TMSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PER 1012.74621420.592721.92629.016330.529434.580336.6396 1412.75714.012920.566921.860428.751330.236934.176936.6223 2012.742914.006620.553821.859128.967130.492434.166236.7519 2812.795414.0620.542121.777128.986330.644434.270936.7179 3512.813914.0720.660622.041929.166630.844834.321836.8023 4012.878214.149720.8222.322829.375731.154734.613937.2041 4912.983914.318320.902122.419729.676531.463434.715837.033 5613.058814.395121.160122.751230.012331.770135.079537.322 7013.313314.644821.489323.105830.373832.326235.500937.909 MCS2MCS4MCS7MCS9 D_TMSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PER 2012.75414.042720.542221.831428.925530.462134.131136.6819 November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 16

17. doc.: IEEE 802.11-15/1310r0 Submission 4x4 3ss in DNLoS November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 17

18. doc.: IEEE 802.11-15/1310r0 Submission Lowest SNR values in each column has background colors Option 1: with segment parsing Option 2: without segment parsing – With MMSE receiver, performance is impaired by inter-stream interference and performance trend at high MCS is not very reliable – For MCS2, lowest SNR values are mainly at D TM = {14,20,28,35} The difference between Option 1 and option 2 (with optimal D TM ) is negligible Performance Summary in 4x4 3ss DNLoS 1st 2nd 3rd 4th MCS2MCS4MCS7MCS9 D_TMSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PER 1012.180812.890118.864719.909926.977429.280241.806447.3992 1412.139212.809618.766719.764126.716828.706341.748547.3994 2012.14312.860918.80819.817826.648628.963941.788847.1982 2812.148412.853618.72819.665726.708228.753241.650947.4572 3512.155712.821818.824619.874826.716928.997241.875947.5544 4012.18412.957118.785219.767626.765129.375241.72547.5277 4912.188312.913618.773619.716226.850729.27641.500447.1816 5612.230212.999318.931620.046926.808828.898441.736447.5088 7012.281713.028519.079420.343226.923629.056641.720347.227 MCS2MCS4MCS7MCS9 D_TMSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PER 2012.13112.816518.827219.864426.679929.081941.809147.404 November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 18

19. doc.: IEEE 802.11-15/1310r0 Submission 1x1 in UMi-NLoS November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 19

20. doc.: IEEE 802.11-15/1310r0 Submission Lowest SNR values in each column has background colors Option 1: with segment parsing Option 2: without segment parsing – For MCS2/4/7/9, lowest SNR values are mainly at D TM = {10,14,20,28} The difference between Option 1 and option 2 (with optimal D TM ) is negligible Performance Summary in 1x1 UMi-NLoS 1st 2nd 3rd 4th MCS0MCS2MCS4MCS7MCS9 D_TMSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 1% PERSNR @ 10% PERSNR @ 3% PERSNR @ 10% PERSNR @ 6% PERSNR @ 10% PER 10 3.10355.56210.585314.70217.381719.966925.943828.617831.9935 14 3.09555.53310.648214.851717.337319.947625.861227.955232.1886 20 3.09825.48410.648114.515517.39992025.923327.931232.2655 28 3.09825.48410.636614.798917.487419.953426.06122832.3817 35 3.07935.47910.696214.690517.532420.191626.328528.653332.546 40 3.06815.42510.682114.846517.60012026.510328.622432.8622 49 3.08595.41010.718714.598617.682320.310226.658129.286533.2277 56 3.04735.43910.789314.942417.768220.503526.754929.567433.3638 70 3.07085.42710.845214.957617.865120.624726.97429.612833.4515 MCS0MCS2MCS4MCS7MCS9 D_TM SNR @ 10% PERSNR @ 1% PER SNR @ 10% PER SNR @ 1% PER SNR @ 10% PER SNR @ 3% PER SNR @ 10% PER SNR @ 6% PER SNR @ 10% PER 20 3.09455.457410.6525 14.6905 17.381919.965625.918527.957931.9573 November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 20

21. doc.: IEEE 802.11-15/1310r0 Submission Summary Two options of LDPC tone mapping design are studied for 2x996 tone size RU used in 160/80+80MHz transmission Results show that similar performance are achieved with or without segment parser The segment parsing based solution, option 1, is preferred for its implementation benefit –Same design as in 11ac –Contiguous 160MHz and non-contiguous 80+80MHz implementation interoperable –Hardware reuse makes the implementation simpler November 2015 Alice Chen, Bin Tian (Qualcomm)Slide 21

22. doc.: IEEE 802.11-15/1310r0 Submission Straw-poll Do you support to add the following text to 11ax SFD? –2x996RU employs a segment parser (as in 11ac) between two 996 tones (frequency segments) and the LDPC tone mapper in each 996 tone segment uses D TM =20 Y/N/A Alice Chen, Bin Tian (Qualcomm)Slide 22 November 2015

23. doc.: IEEE 802.11-15/1310r0 Submission References [1] IEEE 802.11-15/0816r0 Interleaver and Tone Mapper for OFDMA [2] IEEE 802.11-15/0580r2 11ax Coding Discussion Slide 23 July 2015 Lin Yang, Bin Tian (Qualcomm)