Proposed IEEE ah Use Cases

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Proposed IEEE 802.11ah Use Cases Month Year doc.: IEEE 802.11-yy/xxxxr0 Proposed IEEE 802.11ah Use Cases Date: January 18, 2011 Authors: Name Company Address Phone email Stefan Aust NEC Communication Systems, Ltd. 1753 Shimonumabe, Nakahara-ku, Kawasaki, Kanagawa 211-8666, Japan +81 44 435 1177 aust.st@ncos.nec.co.jp Jae-Hyung Song LG Electronics San 4-1, Bongcheon7-Dong, Kwanak-Gu Seoul, Korea +82-2-2102-0177 jaehyung.song@lge.com Bonghoe Kim LG R&D Complex 533, Hogye-1dong, Dongan-gu, Anyang-shi, Kyungki-do, Korea +82 31 450 4131 Bonghoe.kim@lge.com Minyoung Park Intel Corporation 2111 NE 25th Ave. Hillsboro, OR 97124 +503 712 4705 minyoung.park@intel.com Dave Halasz Aclara 2315 W. 9th Street Austin, TX 78703 +1-330-283-2715 dave.halasz@oaktreewireless.com Emmanuel Monnerie Landis+Gyr 30000 Mill Creek Avenue, Suite 100 Alpharetta, GA 30022 +1 678 258 1695 Emmanuel.Monnerie@landisgyr.com John Buffington Itron Inc. 2111 N Molter Road, Liberty Lake, Washington 99019 509-891-3691 John.Buffington@itron.com John Doe, Some Company

Objective This contribution combines the use cases as reported in DCN#1044r0 [2] and DCN#1458r0 [3] and added comments and suggestions after first TGah presentation/discussion during the IEEE interim meeting in Los Angeles, January 2011. We refer to the “Guidelines for Assessing Wireless Standards for Smart Grid Applications” which proposes Smart Grid Use Cases collected by NIST [8].

About IEEE 802.11ah Scope: This amendment defines an OFDM PHY operating in the license-exempt bands below 1 GHz, e.g., 868-868.6 MHz (Europe), 950-958 MHz (Japan), 314-316 MHz, 430-434 MHz, 470-510 MHz, and 779-787 MHz (China), 917-923.5 MHz (Korea) and 902-928 MHz (USA) and enhancements to the IEEE 802.11 MAC to support this PHY, and provides mechanisms that enable coexistence with other systems in the bands including IEEE 802.15.4 and IEEE P802.15.4g. [1]

Motivation Combined proposal of IEEE 802.11ah use case candidates dedicated to different locations (indoor/outdoor) and system requirements.

Proposed list of IEEE 802.11ah Use Cases Use case 1: Sub 1GHz Smart Grid Type of data traffic Meter information Power delivery/distribution data Billing information, distributed automation Use case 2: Sub 1GHz Intelligent Transport Systems (ITS) Traffic information Logistics data Toll data Use case 3: Outdoor Sub 1GHz Surveillance System Location/position information Emergency call data Video/sound/motion data Use case 4: Indoor Sub 1GHz Surveillance System Use case 5: Indoor Sub 1GHz Home Entertainment System Audio/video data Use case 6: Indoor Sub 1GHz Healthcare System Monitoring data

Use Case 1: Sub 1GHz Smart Grid Power Meter Distributed Automation Device AMI GAS Meter WATER Meter IEEE 802.11ah AP

Sub 1GHz Smart Grid: Requirements # Category Comment 1 Location Outdoor, indoor 2 Environment type Urban, sub-urban, rural 3 STA/AP communication 2-way (meter data & control) 4 Data rate 100 kbps 5 BER/PER requirement PER<10% 6 Mobility Stationary 7 Traffic type Continuous/periodic/burst 8 Security requirement High 9 Reliability 10 STA/AP capacity STA: 6000 [4], AP: 1 11 STA/AP category STA: fixed, AP: fixed 12 STA/AP elevation STA: 1m,..,2m, AP: 2m,..,10m 13 Actors Meter device (power, gas, water), Distributed Automation Device

Use Case 2: Sub 1GHz Intelligent Transport System (ITS) Toll bridge Logistics Logistics ITS network A ITS network B 500m Toll bridge Toll bridge Logistics 500m 1000m

Sub 1GHz Intelligent Transport System (ITS): Requirements # Category Comment 1 Location Outdoor 2 Environment type Urban, sub-urban, rural 3 STA/AP communication 2-way (toll data & control) 4 Data rate 100 kbps 5 BER/PER requirement PER<10% 6 Mobility Low/high velocity 7 Traffic type Burst 8 Security requirement High 9 Reliability 10 STA/AP capacity STA: 50, AP: 1 11 STA/AP category STA: mobile, AP: fixed 12 STA/AP elevation STA: 1m,...,2m, AP: 2m,..,5m 13 Actors Toll bridge router, on-board unit

Use Case 3: Outdoor Sub 1GHz Surveillance System Call 110 Surveillance Surveillance Surveillance network A Surveillance network B 500m Call 110 Surveillance Call 110 500m 1000m

Outdoor Sub 1GHz Surveillance System: Requirements # Category Comment 1 Location Outdoor 2 Environment type Urban, Sub-urban 3 STA/AP communication 2-way (audio/video data & control) 4 Data rate 10 Mbps 5 BER/PER requirement PER<10% 6 Mobility Stationary 7 Traffic type Burst/permanent 8 Security requirement High 9 Reliability 10 STA/AP capacity STA: 20, AP: 1 11 STA/AP category STA: fixed, AP: fixed 12 STA/AP elevation STA: 1m,..,2m, AP: 2m,..,5m 13 Actors Surveillance camera, microphone, sensor (light, temperature, movement)

Use Case 4: Indoor Sub 1 GHz Surveillance System Watch dog Surveillance Surveillance network A Surveillance network B Watch dog Surveillance Surveillance

Indoor Sub 1 GHz Surveillance System: Requirements # Category Comment 1 Location Indoor 2 Environment type Office, lab, hall, arena 3 STA/AP communication 2-way (audio/video data & control) 4 Data rate 20 Mbps 5 BER/PER requirement PER<10% 6 Mobility Stationary 7 Traffic type Burst/permanent 8 Security requirement High 9 Reliability 10 STA/AP capacity STA: 10, AP: 1 11 STA/AP category STA: fixed, AP: fixed 12 STA/AP elevation STA: -1m (basement),..,2m, AP: 2m,..,5m 13 Actors Surveillance camera, microphone, sensor (light, temperature, movement)

Use Case 5: Indoor Media Streaming for Home Entertainment Bedroom Hallway Living room Study MP3 player A/V player A/V streaming through a Sub 1GHz link (5/10/20MHz) Slide 14

Indoor Sub 1 GHz Home Entertainment System: Requirements # Category Comment 1 Location Indoor 2 Environment type Home 3 STA/AP communication 2-way (audio/video data & control) 4 Data rate 20 Mbps 5 BER/PER requirement PER<10% 6 Mobility Stationary/low 7 Traffic type Burst/permanent 8 Security requirement High 9 Reliability 10 STA/AP capacity STA: 10, AP: 1 11 STA/AP category STA: mobile/fixed, AP: fixed 12 STA/AP elevation STA: -1m (basement),..,2m, AP: 1m,..,2m 13 Actors Remote control, TV, MP3player, home gateway, AV player

Use Case 6: Indoor Sub 1 GHz Healthcare System Monitor Monitoring data Slide 16

Indoor Sub 1 GHz Healthcare System: Requirements # Category Comment 1 Location Indoor 2 Environment type Home, hospital, clinic, elderly care 3 STA/AP communication 2-way (healthcare data & control) 4 Data rate 100Kbps 5 BER/PER requirement PER<10% 6 Mobility Stationary/low 7 Traffic type Periodic/event-based 8 Security requirement High 9 Reliability 10 STA/AP capacity STA:50, AP: 1 11 STA/AP category STA: fixed/mobile, AP: fixed 12 STA/AP elevation STA: 1,..,2m, AP: 2m,..,5m 13 Actors Heart rate monitor, blood pressure sensor, Electrocardiogram Slide 17

Other Use Case Candidates from TGah Submissions Industrial Application [6] Metro Wi-Fi [7] Slide 18

Backup Slides: Video Codecs and Data Rates

H.264 Levels and Profiles Level Max macroblocks Max video bit rate (VCL) Examples for high resolution @ frame rate (max stored frames) per second per frame BP, XP, MP (kbit/s) HiP (kbit/s) Hi10P (kbit/s) Hi422P, Hi444PP (kbit/s) 1 1,485 99 64 80 192 256 128×96@30.9 (8) 176×144@15.0 (4) 1b 128 160 384 512 1.1 3,000 396 240 576 768 176×144@30.3 (9) 320×240@10.0 (3) 352×288@7.5 (2) 1.2 6,000 480 1,152 1,536 320×240@20.0 (7) 352×288@15.2 (6) 1.3 11,880 960 2,304 3,072 320×240@36.0 (7) 352×288@30.0 (6) 2 2,000 2,500 8,000 2.1 19,800 792 4,000 5,000 12,000 16,000 352×480@30.0 (7) 352×576@25.0 (6) 2.2 20,250 1,620 352×480@30.7(10) 352×576@25.6 (7) 720×480@15.0 (6) 720×576@12.5 (5) Slide 20

H.264 Levels and Profiles Level Max macroblocks Max video bit rate (VCL) Examples for high resolution @ frame rate (max stored frames) per second per frame BP, XP, MP (kbit/s) HiP (kbit/s) Hi10P (kbit/s) Hi422P, Hi444PP (kbit/s) 3 40,500 1,620 10,000 12,500 30,000 40,000 352×480@61.4 (12) 352×576@51.1 (10) 720×480@30.0 (6) 720×576@25.0 (5) 3.1 108,000 3,600 14,000 17,500 42,000 56,000 720×480@80.0 (13) 720×576@66.7 (11) 1280×720@30.0 (5) 3.2 216,000 5,120 20,000 25,000 60,000 80,000 1,280×720@60.0 (5) 1,280×1,024@42.2 (4) 4 245,760 8,192 1,280×720@68.3 (9) 1,920×1,080@30.1 (4) 2,048×1,024@30.0 (4) 4.1 50,000 62,500 150,000 200,000 4.2 522,240 8,704 1,920×1,080@64.0 (4) 2,048×1,080@60.0 (4) 5 589,824 22,080 135,000 168,750 405,000 540,000 1,920×1,080@72.3 (13) 2,048×1,024@72.0 (13) 2,048×1,080@67.8 (12) 2,560×1,920@30.7 (5) 3,680×1,536@26.7 (5) 5.1 983,040 36,864 240,000 300,000 720,000 960,000 1,920×1,080@120.5 (16) 4,096×2,048@30.0 (5) 4,096×2,304@26.7 (5) Slide 21

MPEG-2 Main Profile and Levels Abbr. Name Picture Coding Types Chroma Format Aspect Ratios Scalable modes Intra DC Precision MP (main profile) Main profile I, P, B 4:2:0 square pixels, 4:3, or 16:9 none 8, 9, 10 Abbr. Name Frame rates (Hz) Max horizontal resolution Max vertical resolution Max luminance samples per second (approximately height x width x framerate) Max bit rate in Main profile (Mbit/s) LL Low Level 23.976, 24, 25, 29.97, 30 352 288 3,041,280 4 ML Main Level 720 576 10,368,000, except in High profile, where constraint is 14,475,600 for 4:2:0 and 11,059,200 for 4:2:2 15 H-14 High 1440 23.976, 24, 25, 29.97, 30, 50, 59.94, 60 1440 1152 47,001,600, except that in High profile with 4:2:0, constraint is 62,668,800 60 HL High Level 1920 62,668,800, except that in High profile with 4:2:0, constraint is 83,558,400 80 Slide 22

VC-1 Profiles and Levels Maximum Bit Rate Resolutions by Framerate Simple Low 96 kbit/s 176 x 144 / 15 (QCIF) Medium 384 kbit/s 240 x 176 / 30 352 x 288 / 15 (CIF) Main 2 Mbit/s 320 x 240 / 24 (QVGA) 10 Mbit/s 720 x 480 / 30 (480p) 720 x 576 / 25 (576p) High 20 Mbit/s 1920 x 1080 / 30 (1080p) Advanced L0 352 x 288 / 30 (CIF) L1 720 x 480 / 30 (NTSC-SD) 720 x 576 / 25 (PAL-SD) L2 720 x 480 / 60 (480p) 1280 x 720 / 30 (720p) L3 45 Mbit/s 1920 x 1080 / 24 (1080p) 1920 x 1080 / 30 (1080i) 1280 x 720 / 60 (720p) L4 135 Mbit/s 1920 x 1080 / 60 (1080p) 2048 x 1536 / 24 Slide 23

References [1] IEEE P802.11 Wireless LANs, IEEE 802.11ah Call for proposals, IEEE 802.11-10/1373r0, 11.11.2010 [2] IEEE P802.11 Wireless LANs, Sub 1 GHz license-exempt Use Cases, IEEE 802.11-10/1044r0 [3] IEEE P802.11 Wireless LANs, Additional Use Cases for Sub 1 GHz license-exempt Frequency Bands, IEEE 802.11-10/1458r0 [4] IEEE P802.11 Wireless LANs, Association ID management for TGah, IEEE 802.11-11/0088r0 [5] IEEE P802.11 Wireless LANs, Low Power Capability Support for 802.11ah, IEEE 802.11-11/0060r1 [6] IEEE P802.11 Wireless LANs, Supplemental Use Cases in Industrial Apps, IEEE 802.11-11/0014r0 [7] IEEE P802.11 Wireless LANs, Introductory TGah Proposal, IEEE 802.11-11/0069r1 [8] NIST Priority Action Plan 2 (PAP#2), Guidelines for Assessing Wireless Standards for Smart Grid Applications, version 1.0, 12/31/10, National Institute of Standards and Technology