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Doc.: IEEE 802.11-11/0299r0 Submission March 2011 Minyoung Park, Intel Corp.Slide 1 TGah Use Cases Summary and Aggregated PHY Rates Analysis Date: 2011-03-15.

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Presentation on theme: "Doc.: IEEE 802.11-11/0299r0 Submission March 2011 Minyoung Park, Intel Corp.Slide 1 TGah Use Cases Summary and Aggregated PHY Rates Analysis Date: 2011-03-15."— Presentation transcript:

1 doc.: IEEE 802.11-11/0299r0 Submission March 2011 Minyoung Park, Intel Corp.Slide 1 TGah Use Cases Summary and Aggregated PHY Rates Analysis Date: 2011-03-15 Authors: NameAffiliationsAddressPhoneemail Minyoung ParkIntel2111 NE 25 th Ave. Hillsboro OR 97229 503 712 4705 minyoung.park@intel.com Eldad PerahiaIntel eldad.perahia@intel.com Emily QiIntel emily.h.qi@intel.com

2 doc.: IEEE 802.11-11/0299r0 Submission March 2011 Minyoung Park, Intel Corp.Slide 2 Abstract This presentation summarizes the use cases submitted to 802.11ah and analyzes the required aggregated PHY rate for each use case.

3 doc.: IEEE 802.11-11/0299r0 Submission Outdoor Use Cases [1][4-7] Use casesTx rangeData rateType of dataTraffic type Number of STAs 1Outdoor 1aSmart Grid [1]<1km< 100 KbpsMeter information Power delivery/distribution data Billing information periodic/burst6000 1bIntelligent Transport Systems (ITS) [1] <1km< 100 KbpsTraffic information Logistics data Toll data burst50 1cSurveillance (video/watchdog) [1] <1km< 10 MbpsLocation/position information Emergency call data Audio/video streaming Motion data periodic/burst20 1dWi-Fi Hotspots [4]Extended coverage around home, university,… < 10 MbpsLight Wi-Fi trafficburst50 1eCellular/Wi-Fi offloading [5]<1km< 20 MbpsWeb browsing Multimedia streaming burst50 1fSensor networks [6]<1km< 100 KbpsEnvironmental/agricultural monitoring/control periodic/event- based 300 1gIndustrial Process Automation [7] <1km x 2km< 1MbpsMonitoring/controling industrial process automation periodic (0.1~100s) /burst 50 March 2011 Minyoung Park, Intel Corp.Slide 3

4 doc.: IEEE 802.11-11/0299r0 Submission Indoor Use Cases [1-3] Use casesTx rangeData rateType of dataTraffic type Number of STAs 2Indoor 2aSurveillance (video/watchdog) [1] indoor coverage< 20 MbpsAudio/video streaming Motion data periodic/burst10 2bHome entertainment [1]indoor coverage< 20 MbpsAudio/video data streamingperiodic/burst10 2cHealthcare/clinic [1][2]indoor coverage< 100 KbpsMonitoring/control dataperiodic/event- based 50 2dFitness/elderly care[2]indoor coverage< 100 kbpsMonitoring/control dataperiodic/event- based 50 2eHome/building automation[2]indoor coverage< 100 KbpsMonitoring/control dataperiodic/event- based 50 2fSensor networks (IoT) [3]indoor coverage< 100 KbpsMonitoring dataperiodic/event- based 100 March 2011 Minyoung Park, Intel Corp.Slide 4

5 doc.: IEEE 802.11-11/0299r0 Submission Aggregated Data Rate per BSS Use cases Number of STAs/BSS Data packet size (Bytes) Tx period (sec) Data rate required per STA (bps) Aggregated data rate per BSS (bps) 1 Outdoor 1aSmart Grid600016808 [8]86400 [8]1.56 [8]9,337.78 1bIntelligent Transport Systems (ITS)50??100,0005,000,000 1cSurveillance (video/watchdog)20 ? ?10,000,000.00200,000,000.00 1dWi-Fi Hotspots50 ? ?200,000.0010,000,000.00 1eCellular/Wi-Fi offloading20 (active) ?? 1,000,000.0020,000,000.00 1fSensor networks3005126068.2720,480.00 1gIndustrial Process Automation50320001256,000.0012,800,000.00 March 2011 Minyoung Park, Intel Corp.Slide 5 Use cases Number of STAs/BSS Data packet size (Bytes) Tx period (sec) Data rate required per STA (bps) Aggregated data rate per BSS (bps) 2Indoor 2aSurveillance (video/watchdog)10 ? ?20,000,000.00200,000,000.00 2bHome entertainment10 ? ?20,000,000.00200,000,000.00 2cHealthcare/clinic5020480.2565536.003,276,800.00 2dFitness/elderly care505126068.273,413.33 2eHome/building automation505126068.273,413.33 2fSensor networks (IoT)1005126068.276,826.67

6 doc.: IEEE 802.11-11/0299r0 Submission Required Aggregated Data Rates for 11ah Use Cases March 2011 Minyoung Park, Intel Corp.Slide 6 Use cases 1 Outdoor 1aSmart Grid 1bIntelligent Transport Systems (ITS) 1cSurveillance (video/watchdog) 1dWi-Fi Hotspots 1eCellular/Wi-Fi offloading 1fSensor networks 1gIndustrial Process Automation 2Indoor 2aSurveillance (video/watchdog) 2bHome entertainment 2cHealthcare/clinic 2dFitness/elderly care 2eHome/building automation 2fSensor networks (IoT) IndoorOutdoor Low High 50Mbps

7 doc.: IEEE 802.11-11/0299r0 Submission PHY Rates 915 MHz band in US: 902~928 MHz (26 MHz wide) –Other countries even less available Typically requires three non-overlapping channels to mitigate co- channel interference 2.5 MHz channel –802.11ac 20 MHz 1/8 down-clocking –PHY rates: 0.8~10.8 Mbps (one stream) 5 MHz channel –802.11ac 40 MHz 1/8 down-clocking –PHY rates : 1.7 ~ 25 Mbps (one stream), ~50 Mbps (two streams) Supporting PHY rates higher than 50 Mbps is challenging –10 MHz or 20 MHz wide channel  only one or two non-overlapping channels –More than two antennas  hard to fit antennas in a device (half wave length ~ 17 cm) March 2011 Minyoung Park, Intel Corp.Slide 7

8 doc.: IEEE 802.11-11/0299r0 Submission Conclusions Sub 1 GHz bands have limited frequency spectrum Supporting aggregated PHY rate higher than 50 Mbps is challenging in sub 1 GHz bands Hard to support use cases that require high data rates –Outdoor/indoor surveillance use cases (1c/2a) –Indoor home entertainment (2b) 802.11ah should support the use cases that require aggregated PHY rate less than 50 Mbps March 2011 Minyoung Park, Intel Corp.Slide 8

9 doc.: IEEE 802.11-11/0299r0 Submission References [1] Stefan Aust, “Proposed IEEE 802.11ah Use Cases,” IEEE 802.11-11/17r5 [2] Minyoung Park “Additional Indoor Use Cases for 802.11ah,” IEEE 802.11-11/241r0 [3] Rolf de Vegt, “802.11ah Usage Model Submission Sensor Network,” IEEE 802.11-11/242r0 [4] Ron Prat, “Additional Outdoor Use Case for 802.11ah,” IEEE 802.11-11/243r0 [5] Suhwook Kim, “IEEE 802.11ah Use Case – Outdoor Wi-Fi for cellular traffic offloading,” IEEE 802.11-11/244r1 [6] Wongyu Song, “IEEE 802.11ah Use Case – Outdoor Environmental / Agricultural Monitoring,” IEEE 802.11-11/253r0 [7] Mitsuru Iwaoka, “IEEE 802.11ah Use Case – Industrial Process Automation,” IEEE 802.11-11/260r1 [8] NIST PAP2 Guidelines for Assessing Wireless Standards for Smart Grid Applications 1.0. http://collaborate.nist.gov/twiki- sggrid/pub/SmartGrid/PAP02Objective3/NIST_PAP2_Guidelines_for_Assessing_ Wireless_Standards_for_Smart_Grid_Applications_1.0.pdfhttp://collaborate.nist.gov/twiki- sggrid/pub/SmartGrid/PAP02Objective3/NIST_PAP2_Guidelines_for_Assessing_ Wireless_Standards_for_Smart_Grid_Applications_1.0.pdf March 2011 Minyoung Park, Intel Corp.Slide 9

10 doc.: IEEE 802.11-11/0299r0 Submission Backup March 2011 Minyoung Park, Intel Corp.Slide 10

11 doc.: IEEE 802.11-11/0299r0 Submission 802.11ac 20/40 MHz 1/8 down-clocking MCS IndexModulationRN BPSCS N SD N SP N CBPS N DBPS N ES Data rate (Mb/s) 6.4 us GI3.2us GI 0BPSK1/21524 261 0.81250.9 1QPSK1/22524104521 1.6251.8 2QPSK3/42524104781 2.43752.7125 316-QAM1/245242081041 3.253.6125 416-QAM3/445242081561 4.8755.4125 564-QAM2/365243122081 6.57.225 664-QAM3/465243122341 7.31258.125 764-QAM5/665243122601 8.1259.025 8256-QAM3/485244163121 9.7510.8375 9 NOTE: MCS 9 is invalid due to mod(N CBPS /N ES, D R ) not being equal to 0. MCS IndexModulationRN BPSCS N SD N SP N CBPS N DBPS N ES Data rate (Mb/s) 6.4 us GI3.2us GI 0BPSK1/21 108 6 541 1.68751.875 1QPSK1/22 108 62161081 3.3753.75 2QPSK3/42 1086 2161621 5.06255.625 316-QAM1/24 1086 4322161 6.757.5 416-QAM3/44 1086 4323241 10.12511.25 564-QAM2/36 1086 6484321 13.515 664-QAM3/46 1086 6484861 15.187516.875 764-QAM5/66 1086 6485401 16.87518.75 8256-QAM3/48 1086 8646481 20.2522.5 9256-QAM5/68108 6 8647201 22.525 802.11ac 20 MHz  2.5 MHz, N SS = 1 802.11ac 40 MHz  5 MHz, N SS = 1 March 2011 Slide 11Minyoung Park, Intel Corp.

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