May 2016 doc IEEE 802 11 160655 r

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May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 On Modulation of MCS

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 On Modulation of MCS 0 DCM and DCM Capability Date: 2016 -05 -12 Authors: Name Affiliation Address Phone 2860 Junction Ave, San +1 -408 -526 -1899 Jose, CA 95134, USA Jianhan Liu Email jianhan. [email protected] com Thomas Pare thomas. [email protected] com Chao. Chun Wang chaochun. [email protected] c om James Wang Tianyu Wu james. [email protected] com Mediatek tianyu. [email protected] com russell. [email protected] co m Russell Huang James Yee No. 1 Dusing 1 st Road, Hsinchu, Taiwan Frank Hsu Submission Slide +886 -3 -567 -0766 james. [email protected] com frank. [email protected] com Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation David X. Yang Jiayin Zhang Jun Luo Yingpei Lin Jiyong Pang Zhigang Rong Jian Yu Ming Gan Yuchen Guo Yunsong Yang Junghoon Suh Huawei Address F 1 -17, Huawei Base, Bantian, Shenzhen 5 B-N 8, No. 2222 Xinjinqiao Road, Pudong, Shanghai 10180 Telesis Court, Suite 365, San Diego, CA 92121 NA F 1 -17, Huawei Base, Bantian, Shenzhen Teyan Chen Yunbo Li Submission Email david. [email protected] com +86 -18601656691 [email protected] com jun. [email protected] com +86 -18665891036 Roy. [email protected] com [email protected] com [email protected] com zhigang. [email protected] com ross. [email protected] com F 1 -17, Huawei Base, Bantian, Shenzhen 10180 Telesis Court, Suite 365, San Diego, CA 92121 NA 303 Terry Fox, Suite 400 Kanata, Ottawa, Canada Peter Loc Edward Au Phone ming. [email protected] com [email protected] com [email protected] com Junghoon. [email protected] com [email protected] com 303 Terry Fox, Suite 400 Kanata, Ottawa, Canada F 1 -17, Huawei Base, Bantian, Shenzhen Slide edward. ks. [email protected] com [email protected] com [email protected] com Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation Albert Van Zelst Alfred Asterjadhi Bin Tian Carlos Aldana George Cherian Gwendolyn Barriac Lin Yang Lochan Verma Menzo Wentink Naveen Kakani Raja Banerjea Richard Van Nee Submission Phone 5775 Morehouse Dr. San Diego, CA, USA Alice Chen Hemanth Sampath Address Qualcomm Straatweg 66 -S Breukelen, 3621 BR Netherlands 5775 Morehouse Dr. San Diego, CA, USA 1700 Technology Drive San Jose, CA 95110, USA 5775 Morehouse Dr. San Diego, CA, USA 5775 Morehouse Dr. San Diego, CA USA Straatweg 66 -S Breukelen, 3621 BR Netherlands 2100 Lakeside Boulevard Suite 475, Richardson TX 75082, USA 1060 Rincon Circle San Jose CA 95131, USA Straatweg 66 -S Breukelen, 3621 BR Netherlands Slide Email [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation Address Qualcomm Youhan Kim 1700 Technology Drive San Jose, CA 95110, USA 5775 Morehouse Dr. San Diego, CA, USA 1700 Technology Drive San Jose, CA 95110, USA Joonsuk Kim Rolf De Vegt Sameer Vermani Simone Merlin Tevfik Yucek VK Jones Phone Email [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] qualcomm. com [email protected] com Aon Mujtaba Guoqing Li Eric Wong [email protected] com Apple [email protected] com [email protected] com Chris Hartman [email protected] com Jarkko Kneckt [email protected] com Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Robert Stacey

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Robert Stacey robert. [email protected] com Shahrnaz Azizi shahrnaz. [email protected] com Po-Kai Huang po-kai. [email protected] com Qinghua Li Xiaogang Chen Intel Chitto Ghosh Laurent Cariou 2111 NE 25 th Ave, Hillsboro OR 97124, USA quinghua. [email protected] com +1 -503 -724 -893 xiaogang. c. [email protected] com chittabrata. [email protected] com laurent. [email protected] com Yaron Alpert yaron. [email protected] com Assaf Gurevitz assaf. [email protected] com Ilan Sutskover Ron Porat Sriram Venkateswaran Matthew Fischer ilan. [email protected] com [email protected] com [email protected] com Zhou Lan Leo Montreuil Andrew Blanksby Broadcom Vinko Erceg Thomas Derham Mingyue Ji Submission Slide Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued): Name Affiliation

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued): Name Affiliation Address Phone Hongyuan Zhang Email [email protected] com Lei Wang [email protected] com Liwen Chu [email protected] com Jinjing Jiang [email protected] com Yan Zhang [email protected] com Rui Cao [email protected] com Sudhir Srinivasa Bo Yu Marvell 5488 Marvell Lane, Santa Clara, CA, 95054 Saga Tamhane 408 -222 -2500 [email protected] com [email protected] com [email protected] com Mao Yu [email protected] . com Xiayu Zheng [email protected] com Christian Berger [email protected] com Niranjan Grandhe [email protected] com Hui-Ling Lou Submission [email protected] com Slide Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Phone

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Phone Email Hyeyoung Choi hy 0117. [email protected] com Kiseon Ryu kiseon. [email protected] com Jinyoung Chun jiny. [email protected] com Jinsoo Choi js. [email protected] com jeongki. [email protected] com giwon. [email protected] com Dongguk Lim dongguk. [email protected] com Suhwook Kim suhwook. [email protected] com Eunsung Park esung. [email protected] com Han. Gyu Cho hg. [email protected] com #9 Wuxingduan, Xifeng Rd. , Xi'an, China sun. bo [email protected] com. cn lv. [email protected] com. cn [email protected] com Ke Yao yao. ke [email protected] com. cn Weimin Xing xing. [email protected] com. cn 170 W Tasman Dr, San Jose, CA 95134 [email protected] com [email protected] com Jeongki Kim Giwon Park Affiliation LG Electronics Bo Sun Kaiying Lv Yonggang Fang Brian Hart Pooya Monajemi Submission ZTE Cisco Systems Address 19, Yangjae-daero 11 gil, Seocho-gu, Seoul 137130, Korea Slide Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation Phone Email +44 1223 434633 f. [email protected] com +82 -31 -279 -9028 hyunjeong. [email protected] com (972) 761 7437 k. [email protected] com +44 1223 434600 m. [email protected] com (972) 761 7470 rakesh. [email protected] com +82 -10 -8864 -1751 s 29. [email protected] com Yasushi Takatori +81 46 859 3135 takatori. [email protected] ntt. co. jp Yasuhiko Inoue +81 46 859 5097 inoue. [email protected] ntt. co. jp +81 46 859 5107 Shinohara. [email protected] ntt. co. jp +81 46 859 3494 asai. [email protected] ntt. co. jp Koichi Ishihara +81 46 859 4233 ishihara. [email protected] ntt. co. jp Junichi Iwatani +81 46 859 4222 Iwatani. [email protected] ntt. co. jp +81 46 840 3759 [email protected] com Fei Tong Hyunjeong Kaushik Josiam Mark Rison Samsung Rakesh Taori Sanghyun Chang Shoko Shinohara Yusuke Asai Akira Yamada Submission NTT DOCOMO Address Innovation Park, Cambridge CB 4 0 DS (U. K. ) Maetan 3 -dong; Yongtong-Gu Suwon; South Korea 1301, E. Lookout Dr, Richardson TX 75070 Innovation Park, Cambridge CB 4 0 DS (U. K. ) 1301, E. Lookout Dr, Richardson TX 75070 Maetan 3 -dong; Yongtong-Gu Suwon; South Korea 1 -1 Hikari-no-oka, Yokosuka, Kanagawa 239 -0847 Japan 3 -6, Hikarinooka, Yokosuka-shi, Kanagawa, 239 -8536, Japan Slide Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Name Affiliation Authors (continued) Address Phone Email Masahito Mori Masahito. [email protected] sony. com Yusuke Tanaka Yusuke. C. [email protected] sony. com Yuichi Morioka Yuichi. [email protected] sony. com Sony Corp. Kazuyuki Sakoda Kazuyuki. [email protected] sony. com William Carney William. [email protected] sony. com Sigurd Schelstraete Huizhao Wang [email protected] com Quantenna [email protected] com Minho Cheong minho. [email protected] com Reza Hedayat reza. [email protected] com Young Hoon Kwon Yongho Seok Newracom 9008 Research Dr. Irvine, CA 92618 younghoon. [email protected] co m yongho. [email protected] com Daewon Lee daewon. [email protected] com Yujin Noh yujin. [email protected] com Submission Jianhan Liu, Mediatek, et. al.

doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Submission

doc. : IEEE 802. 11 -16/0655 r 0 Authors (continued) Submission

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Introduction • Fill the

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Introduction • Fill the TBD modulation for MCS 0 DCM in spec draft – Modulation for DCM with MCS 0 • We propose a low PAPR modulation for DCM with MCS 0 • Define the capability field for DCM – DCM is an optional feature, to enable flexible implementation of DCM, we will define the DCM capability field for 11 ax. Submission Slide Jianhan Liu, Mediatek, et al

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 MCS 0 DCM modulation

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 MCS 0 DCM modulation scheme • and are modulated symbol for data subcarrier k and k+NSD for DCM. are both BPSK modulated. Interleaved/co ded bits DCM #1 S BP Ma ng i p p K Sub-carrier k IFFT BP SK Ma ppi ng #2 Sub-carrier k+NSD • To reduce the PAPR of MCS 0 DCM modulation, we propose the following modulation scheme Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Results for PAPR •

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Results for PAPR • We can see that the proposed MCS 0 DCM modulation scheme reaches the similar PAPR as BSPK modulation. • Other MCS 0 DCM modulation schemes have larger PAPR. Submission

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Performance of Proposed DCM

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Performance of Proposed DCM MCS 0 Scheme in AWGN Channel Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Performance of Proposed BPSK

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Performance of Proposed BPSK DCM Scheme in B-NLOS Channel Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Performance of Proposed BPSK

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Performance of Proposed BPSK DCM Scheme in DNLOS Channel Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Capability field for DCM

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Capability field for DCM • DCM is mostly used for robustness in frequency selective fading channel and when there is narrow band interference. So to reduce implementation complexity, we propose to limit the DCM usage as follows – DCM is only applied to MCS 0, MCS 1, MCS 3 and MCS 4. – DCM is only applied to 1 and 2 spatial streams. – DCM is only applied to HE SU PPDU, HE extend range SU PPDU, and SU RUs in HE MU PPDU. – DCM is not applied to MU-MIMO. – DCM is not applied to STBC. • We propose to define the following capability field for DCM – Max constellation supported: 2 bits. • 00: does not support DCM; 01: BPSK; 10: QPSK; 11: 16 QAM – Max number of streams supported: 1 bit. • 0: 1 stream; 1: 2 streams Submission

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Conclusion • MCS 0

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Conclusion • MCS 0 DCM modulation scheme is proposed. – Simple +1/-1 masking achieves low PAPR • DCM capability field is defined. Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Straw Poll #1 Do

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Straw Poll #1 Do you agree to add the 11 ax SFD the following MCS 0 DCM constellation mapping for data subcarriers k and k+NSD is BPSK modulated Note: NSD is defined for DCM which is half of . Y/N/Abs Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Straw Poll #2 •

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Straw Poll #2 • Do you agree to add the following usage of DCM to 11 ax SFD? – DCM is only applied to MCS 0, MCS 1, MCS 3 and MCS 4. – DCM is only applied to 1 and 2 spatial streams. – DCM is only applied to HE SU PPDU, HE extend range SU PPDU, and SU RUs in HE MU PPDU. – DCM is not applied to MU-MIMO. The DCM field in the HE-SIGB per user for MU-MIMO is changed to a reserved field. – DCM is not applied to STBC. Y/N/Abs Submission Jianhan Liu, Mediatek, et. al.

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Straw Poll #3 •

May, 2016 doc. : IEEE 802. 11 -16/0655 r 0 Straw Poll #3 • Do you agree to add the following capability field of DCM to 11 ax SFD? – Max constellation supported: 2 bits. • 00: does not support DCM; 01: BPSK; 10: QPSK; 11: 16 QAM – Max number of streams supported: 1 bit. • 0: 1 stream; 1: 2 streams Y/N/Abs Submission