Performance Evaluation of 4096-QAM in IEEE 802.11-20/0072r0
Explore the enhanced data rate potential of 4096-QAM compared to 1024-QAM through detailed simulations and TX EVM evaluations. This document delves into the benefits, regular patterns, and coding rates of 4096-QAM, shedding light on its potential in wireless communication standards. Discover insights from MCS variations and sensitivity analysis, offering valuable information for improving transmission quality and efficiency in IEEE 802.11 networks.
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Jan 2020 doc.: IEEE 802.11-20/0072r0 Performance and TX EVM Evaluation on 4096-QAM Date: 2019-10-22 Authors: Name Affiliations Address Phone Email Shengquan Hu Mediatek Jianhan Liu jianhan.liu@mediatek.com Submission Slide 1 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 Introduction 4096-QAM can increase about 20% data rate comparing to 1024- QAM. In this contribution, we present simulations results with TX EVM for 4096-QAM. Submission Slide 2 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 Regular 4096-QAM 4096-QAM: uniformly distributed Gray mapping. real B0b1b2b3b4b5 imag b6b7b8b9b10b11 Submission Slide 3 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 Simulations on 4096-QAM MCS 12: 4096-QAM with 3/4 coding rate MCS 13: 4096-QAM with 5/6 coding rate Submission Slide 4 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 4096-QAM (MCS13, R=5/6), 1ss, B-LOS (1x1) MCS13: BW80,1ss,Estimated CE,1x1,LDPC,B-LOS,PktLen=4KB 0 10 TxEVM=turn off: sensSNR=39.49dB TxEVM=-45.3dB: sensSNR=40.32dB TxEVM=-42.8dB: sensSNR=41.55dB TxEVM=-40.5dB: sensSNR=43.31dB TxEVM=-37.5dB: sensSNR=InfdB PER -1 10 -2 10 25 30 35 40 45 50 SNR (dB) Submission Slide 5 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 4096-QAM (MCS13, R=5/6) , 1ss, B-LOS, BF (4x1) MCS13: BW80,1ss,4x1, BF,Estimated Channel,4x1,LDPC,B-LOS,PktLen=4KB 0 10 TxEVM=turn off: sensSNR=33.93dB TxEVM=-45.3dB: sensSNR=33.94dB TxEVM=-42.8dB: sensSNR=34.19dB TxEVM=-40.5dB: sensSNR=34.20dB TxEVM=-37.5dB: sensSNR=34.81dB TxEVM=-35.7dB: sensSNR=35.59dB TxEVM=-33.9dB: sensSNR=37.96dB PER -1 10 -2 10 25 30 35 40 45 50 SNR (dB) Submission Slide 6 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 4096-QAM (MCS12, R=3/4) , 2ss, B-LOS, BF (4x2) MCS12: BW80,2ss,4x2, BF,Estimated Channel,4x2,LDPC,B-LOS,PktLen=4KB 0 10 TxEVM=turn off: sensSNR=35.87dB TxEVM=-45.3dB: sensSNR=36.17dB TxEVM=-42.8dB: sensSNR=36.52dB TxEVM=-40.5dB: sensSNR=36.75dB TxEVM=-37.5dB: sensSNR=39.44dB TxEVM=-35.7dB: sensSNR=46.85dB TxEVM=-33.9dB: sensSNR=InfdB PER -1 10 -2 10 25 30 35 40 45 50 SNR (dB) Submission Slide 7 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 4096-QAM (MCS13, R=5/6) , 2ss, B-LOS, BF (4x2) MCS13: BW80,2ss,4x2, BF,Estimated Channel,4x2,LDPC,B-LOS,PktLen=4KB 0 10 TxEVM=turn off: sensSNR=38.64dB TxEVM=-45.3dB: sensSNR=38.84dB TxEVM=-42.8dB: sensSNR=39.42dB TxEVM=-40.5dB: sensSNR=40.31dB TxEVM=-37.5dB: sensSNR=48.16dB TxEVM=-35.7dB: sensSNR=InfdB PER -1 10 -2 10 25 30 35 40 45 50 55 60 SNR (dB) Submission Slide 8 Jianhan Liu, Mediatek Inc.
March 2019 doc.: IEEE 802.11-20/0072r0 TX EVM: 80MHz, 1ss, AWGN (1x1) TxEVM vs Rx Sensitivity SNR: BW80, 1ss, AWGN 60 Rx Sensitivity SNR (dB) 55 50.85 50 45 41.5 40 40.06 MCS10 MCS11 MCS12 MCS13 36.94 36.52 36.23 35.74 35.21 35 34.02 33.55 33.33 32.13 31.18 30.62 30.2 30 30.01 29.89 29.18 28.61 28.43 28.09 28.07 27.94 25 20 -48 -46 -44 -42 -40 -38 -36 -34 -32 TxEVM (dB) Submission Slide 9 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 TX EVM: 1x1, BW80, 1ss, B-LOS (1x1) TxEVM vs Rx Sensitivity SNR: BW80, 1ss, B-LOS 55 Rx Sensitivity SNR(dB) 50 45 43.86 43.31 41.55 40.32 40.01 40 38.8 37.42 MCS10 37.1 36.96 MCS11 35.58 34.8 34.37 34.23 MCS12 34.09 35 32.59 MCS13 31.97 31.51 31.45 31.27 30 -48 -46 -44 -42 -40 -38 -36 -34 -32 TxEVM (dB) Submission Slide 10 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 TxEVM: 4kQAM/MCS12 with BF, 1ss, B-LOS TxEVM vs Rx Sensitivity SNR: BW80, 1ss, MCS12, B-LOS, BF, Estimated Channel 44 BF2x1 BF4x1 BF6x1 BF8x1 42 40 Rx Sensitivity SNR (dB) 39.62 38 38.09 36 36.91 36.44 36.24 34 32 33.01 32.18 31.79 31.71 31.41 31.21 30 30.31 29.64 29.49 29.26 29.22 29.18 28 28.61 28.18 28.16 27.95 27.95 27.74 26 -46 -45 -44 -43 -42 -41 -40 -39 -38 -37 -36 -35 -34 -33 Tx EVM (dB) Submission Slide 11 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 TxEVM: 4kQAM/MCS13 with BF, 1ss, B-LOS 50 45 43.79 Rx SNR (dB) 40 40.05 39.06 38.98 38.63 36.12 35.82 35 34.84 34.74 34.5 33.86 33.08 32.48 32.15 31.99 31.72 30.15 31.72 BF2x1 30.9 30.76 30.28 30.27 30 BF4x1 BF6x1 BF8x1 25 20 -46 -44 -42 -40 -38 -36 -34 -32 -30 TxEVM (dB) Submission Slide 12 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 EVM: 4kQAM/MCS12 with BF, 2ss, B-LOS TxEVM vs Rx Sensitivity SNR: BW80, 2ss, MCS12, B-LOS, estimated Channel 50 BF4x2 BF6x2 BF8x2 48 46.85 46 Rx Sensitivity SNR (dB) 44 42 39.44 40 38 36.75 36.52 36.17 36.03 36 34.58 33.78 33.53 33.39 34 33.1 32.37 32 31.69 31.58 32 30 -46 -45 -44 -43 -42 -41 TxEVM (dB) -40 -39 -38 -37 -36 -35 -34 Submission Slide 13 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 EVM: 4kQAM/MCS13 with BF, 2ss, B-LOS 50 48.16 48 Rx SNR(dB) 46 44 42.74 42 41.31 40.31 40 BF4x2 39.42 38.84 BF6x2 38 38.08 BF8x2 36.81 36.64 36 36.05 35.76 35.64 34.51 34 33.92 33.72 32 30 -46 -44 -42 -40 -38 -36 -34 -32 -30 TxEVM (dB) Submission Slide 14 Jianhan Liu, Mediatek Inc.
Jan 2020 doc.: IEEE 802.11-20/0072r0 Summary We evaluate the performance of 4096-QAM with TX EVM. We showed that 4096-QAM is feasible with enhanced TX EVM requirement. Submission Slide 15 Jianhan Liu, Mediatek Inc.
