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Doc.: IEEE 802.11-15/0316r7 SubmissionHyeyoung Choi, LG ElectronicsSlide 1 Power Save Calibration Date: 2015-05-11 Authors: NameAffiliationsAddressPhoneEmail.

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Presentation on theme: "Doc.: IEEE 802.11-15/0316r7 SubmissionHyeyoung Choi, LG ElectronicsSlide 1 Power Save Calibration Date: 2015-05-11 Authors: NameAffiliationsAddressPhoneEmail."— Presentation transcript:

1 doc.: IEEE 802.11-15/0316r7 SubmissionHyeyoung Choi, LG ElectronicsSlide 1 Power Save Calibration Date: 2015-05-11 Authors: NameAffiliationsAddressPhoneEmail Hyeyoung ChoiLG Electronics 19, Yangjea-daero 11gil, Seocho-gu, Seoul 137-130, Korea +82-2-6912-6589hy0117.choi@lge.com Suhwook KimLG Electronicssuhwook.kim@lge.com Kiseon RyuLG Electronicskiseon.ryu@lge.com Jeongki KimLG Electronicsjeongki.kim@lge.com HanGyu ChoLG Electronicshg.cho@lge.com May 2015

2 doc.: IEEE 802.11-15/0316r7 Submission Abstract This submission provides updated results for power save calibration simulations. –Many companies clarified parameters for power save simulation calibration The PHY rate of each frame Use ACK frame only(no B-ACK) The details of operation in PSM test All test cases and parameters are defined in 11-14- 0980r10 Simulation Scenarios. Hyeyoung Choi, LG ElectronicsSlide 2 May 2015

3 doc.: IEEE 802.11-15/0316r7 Submission PSM Test The MSDU 1500 bytes(PPDU length=1940us) DL traffic was transmitted every 200ms We update the following operation in our calibration –When STA on PSM receives only the Data frame(no DTIM Beacon frame), STA may reset the PSM Timer. –The STA stays in Awake state during the PSM Timeout period regardless of the value of the TIM field in DTIM beacon –Use QoS Null frame without QoS Control field in MAC header Hyeyoung Choi, LG ElectronicsSlide 3 May 2015 Parameters RTS/CTSOFF AIFS=DIFS34us MCS0 No A-MPDU aggregation Simulation time500s Beacon size(Byte)80

4 doc.: IEEE 802.11-15/0316r7 Submission Issues of Test 5 in current SSD(1/2) Test 5 in Current SSD is imprecise for power save calibration. –The interval between the first DL Data arrival Time and the first DTIM Beacon Time affects the time spent in sleep state in PSM Test –Ex. DTIM=[3], Timeout=[100] ms May 2015 Hyeyoung Choi, LG ElectronicsSlide 4

5 doc.: IEEE 802.11-15/0316r7 Submission Issues of Test 5 in current SSD(2/2) For example, –The first DTIM Beacon is sent at 100ms –The first DL Data arrives at 200us, 95ms Therefore, we need to clarify the interval between the first DL Data arrival time and the first DTIM Beacon transmission time. May 2015 Hyeyoung Choi,, LG ElectronicsSlide 5 STA(%)AP(%) First data arrival time DTIM PSM Timeo ut ListenRXTXSleepListenRXTXSleep Case 1200us 110049.451.140.0649.3598.710.061.140 310032.761.040.0566.1598.730.051.140 Case 295ms 110050.061.170.0948.6898.640.091.160 310048.751.050.0750.1398.690.071.150

6 doc.: IEEE 802.11-15/0316r7 Submission Simulation results for PSM Test- Time In our calibration, the following event sequence is assumed: –The first DTIM Beacon is sent at 100ms –The first DL DATA arrives at 200us Hyeyoung Choi, LG ElectronicsSlide 6 May 2015 STA(%)AP(%) Power save ON/OFF DTIM PSM Timeout ListenRXTXSleepListenRXTXSleep Active --99.010.970.02098.950.020.970 PSM 15025.151.170.0973.5998.640.091.170 35016.831.050.0782.0598.690.071.150 110049.451.140.0649.3598.710.061.140 310032.761.040.0566.1598.730.051.140 120098.851.120.02098.770.021.120 320098.961.020.02098.770.011.120

7 doc.: IEEE 802.11-15/0316r7 Submission Simulation results for PSM Test- Energy May 2015 Hyeyoung Choi, LG ElectronicsSlide 7 STA(%)AP(%) Power save ON/OFF DTIM PSM Timeout ListenRXTXSleepListenRXTXSleep Active --97.961.920.12094.760.045.200 PSM 15089.788.321.880.0293.620.186.200 35087.0810.862.030.0393.740.136.120 110094.984.390.620.0193.800.116.090 310093.355.900.730.0193.860.096.050 120097.662.220.12093.980.045.980 320097.862.020.12093.980.045.980

8 doc.: IEEE 802.11-15/0316r7 Submission DTIM=[3], PSM Timeout=[100]ms Simulation results for PSM Test-EER STAAP PSM ON EnergyListenRXTXSleepListenRXTXSleep Simulation time(%) 32.761.040.0566.1598.730.051.140 current(mA) 501002800.003501002800.003 Power(Watt) 0.0018020340.0001139311.41722E-052.18308E-070.0054300845.0615E-060.0003502140 Power (%) 93.355.900.730.0193.860.096.050 Sum Power(Watt) 0.0019303560.005785359 PSM OFF EnergyListenRXTXSleepListenRXTXSleep Simulation time(%) 99.010.970.02098.950.020.970 current(mA) 501002800.003501002800.003 Power(Watt) 0.005445440.0001076.78E-0600.005442242.42E-060.0002990 Power (%) 97.961.920.12094.760.045.200 Sum Power(Watt) 0.0055589160.00574342 May 2015 Hyeyoung Choi,, LG ElectronicsSlide 8 Energy Efficiency Ratio

9 doc.: IEEE 802.11-15/0316r7 Submission PSP Test The MSDU 1500 bytes DL traffic was transmitted every 200ms –PPDU length=1940us Hyeyoung Choi, LG ElectronicsSlide 9 May 2015 Parameters RTS/CTSOFF AIFS=DIFS34us MCS0 No A-MPDU aggregation Simulation time500s Beacon size(Byte)80

10 doc.: IEEE 802.11-15/0316r7 Submission Simulation results for PSP Test-Time/Energy STA in PSP sleeps longer than PSM Test. Time Energy Hyeyoung Choi, LG ElectronicsSlide 10 May 2015 STA(%)AP(%) Power save ON/OFF DTIMListenRXTXSleepListenRXTXSleep Active -99.010.970.02098.950.020.970 PSP 1 0.091.140.0898.69 0.081.140 30.071.040.0898.8198.690.081.140 STA(%)AP(%) Power save ON/OFF DTIMListenRXTXSleepListenRXTXSleep Active -97.961.920.12094.760.045.200 PSP 1 3.2281.0915.480.2193.760.156.090 32.8580.1416.790.2393.760.156.090

11 doc.: IEEE 802.11-15/0316r7 Submission Simulation results for PSP Test-EER DTIM=[3] The PSP mechanism is more Energy efficient than the PSM. May 2015 Hyeyoung Choi, LG ElectronicsSlide 11 STAAP PSP ON EnergyListenRXTXSleepListenRXTXSleep Simulation time(%)0.071.040.0898.8198.690.081.140 current(mA) 501002800.003501002800.003 Power(Watt) 4.07726E-060.0001152.4E-053.26057E-070.0054277788.58E-060.0003520 Power (%)2.8580.1416.790.2393.760.156.090 Sum Power(Watt) 0.0001431220.00578871 PSP OFF EnergyListenRXTXSleepListenRXTXSleep Simulation time(%) 99.010.970.02098.950.020.970 current(mA) 501002800.003501002800.003 Power(Watt) 0.005445440.0001076.78E-0600.005442242.42E-060.0002990 Power (%) 97.961.920.12094.760.045.200 Sum Power(Watt) 0.0055589160.00574342 Energy Efficiency Ratio cf. EER of PSM =0.3473

12 doc.: IEEE 802.11-15/0316r7 Submission UAPSD Test The MSDU 120 bytes DL/UL traffic was transmitted every 40ms –PPDU length=244us Hyeyoung Choi, LG ElectronicsSlide 12 May 2015 Parameters RTS/CTSOFF AIFS= DIFS 34us MCS0 No A-MPDU aggregation ProbeDelay100us Simulation time500s

13 doc.: IEEE 802.11-15/0316r7 Submission Simulation results for U-APSD Test-Time/Energy Time Energy May 2015 Hyeyoung Choi,, LG ElectronicsSlide 13 STA(%)AP(%) Power save ON/OFF ListenRXTXSleepListenRXTXSleep Active 98.560.72 098.230.72 0 U-APSD 0.840.72 97.7298.230.72 0 STA(%)AP(%) Power save ON/OFF ListenRXTXSleepListenRXTXSleep Active 94.741.383.88094.721.393.890 U-APSD 13.2322.8163.870.0994.721.393.890

14 doc.: IEEE 802.11-15/0316r7 Submission Simulation results for UAPSD Test-EER May 2015 Hyeyoung Choi,, LG ElectronicsSlide 14 STAAP U-APSD ON EnergyListenRXTXSleepListenRXTXSleep Simulation time(%) 0.840.72 97.7298.230.72 0 current(mA) 501002800.003501002800.003 Power(Watt) 4.59353E-057.92E-050.0002223.22492E-070.0054025887.92E-050.0002220 Power (%) 13.2322.8163.870.0994.721.393.890 Sum Power(Watt) 0.0003472180.005703548 U-APSD OFF EnergyListenRXTXSleepListenRXTXSleep Simulation time(%) 98.560.72 098.230.72 0 current(mA) 501002800.003501002800.003 Power(Watt) 0.005420797.92E-050.00022200.0054026067.92E-050.0002220 Power (%) 94.741.383.88094.721.393.890 Sum Power(Watt) 0.0057217980.00570359 Energy Efficiency Ratio

15 doc.: IEEE 802.11-15/0316r7 Submission Conclusion In this submission, we provide simulation results for power save calibration. Some text changes in simulation scenario are needed. –In PSM Test of current SSD, insert text as: In Following event sequence is assumed: –The first DL DATA arrives at 200us –The first DTIM Beacon is sent at 100ms May 2015 Hyeyoung Choi,, LG ElectronicsSlide 15

16 doc.: IEEE 802.11-15/0316r7 Submission Reference [1] 11-14-0980-10-00ax-simulation-scenarios.docx [2]11-15-0103-00-00ax-power-save-calibration.pptx [3] 11-15-0072-01-00ax-U-APSD power saving calibration results [4]11-15-0306-03-00ax-Power-Save-Mode-Calibration- Results.pptx Suhwook Kim, LG ElectronicsSlide 16 May 2015

17 doc.: IEEE 802.11-15/0316r7 Submission Straw poll #1 Do you agree to add the following text into Test 5 (Power Save Mechanism) of the latest Simulation Scenarios document –Following event sequence is assumed: The first DL DATA arrives at 200us The first DTIM Beacon is sent at 100ms Y: N: A: May 2015 Hyeyoung Choi,, LG ElectronicsSlide 17

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