doc.: IEEE 11-13/0836r0

Submission

July 2013

Minho Cheong (ETRI)Slide 1

HEW Usage Models for Backhauls and Floor Automation

Date: 2013-07-15

Authors:Name Affiliations Address Phone emailMinho Cheong ETRI 161 Gajeong-dong,

Yuseong-Gu, Daejoen, Korea

+82 42 860 5635 minho@etri.re.kr

Hyoung Jin Kwon ETRI 161 Gajeong-dong, Yuseong-Gu, Daejoen, Korea

+82 42 860 1698 kwonjin@etri.re.kr

Jae Seung Lee ETRI 161 Gajeong-dong, Yuseong-Gu, Daejoen, Korea

+82 42 860 1326 jasonlee@etri.re.kr

Sok-Kyu Lee ETRI 161 Gajeong-dong, Yuseong-Gu, Daejoen, Korea

+82 42 860 5919 sk-lee@etri.re.kr

doc.: IEEE 11-13/0836r0

Submission Slide 2

Abstract

This document describes additional complementary usage models for HEW.

Minho Cheong (ETRI)

May 2013

doc.: IEEE 11-13/0836r0

Submission

Values of HEW Usage Models [1]

• 1st value: it is desirable to consider a simple evolution of already-defined 802.11ac usage models – Possibly, by supporting higher data rate for the existing models

– By supporting more number of AP’s and STA’s for the deployment of existing models

• Category 1: Wireless Display – transfer content between devices– Many houses in an apartment use in-room gaming or video-streaming

• Category 2: Distribution of HDTV and other content– Wireless Office, Remote Surgery, Intra-large vehicle application

• Category 3: Rapid Upload and Download of large files to/from server– Sync. & go among lots of devices in a limited area

• Category 4: Backhaul – mesh type or point-to-point backhaul supporting ultra high data rate

• Category 5: Outdoor Campus / Auditorium deployments– Campus lecture halls supporting tele-presence of ultra high data rate

• Category 6: Manufacturing Floor Automation

May 2013

Slide 3 Minho Cheong (ETRI)

doc.: IEEE 11-13/0836r0

Submission

Values of HEW Usage Models [1]

• 2nd value: it is desirable to define new usage models reflecting new cultural landscapes emerged during last several years– Nowadays, people are more likely to volunteer to participate an event to

have a common experience in the open area

– People are more likely to enhance their experience a lot by downloading streaming video even at the very spot and share their experience with others by uploading video/picture without any delay at the spot as well.

– Cloud computing with the use of Wi-Fi is very popularized now

• 3rd value: it is better to also consider new additional applications which rather aggressively try to utilize the current Wi-Fi problems which HEW mainly tries to handle with– Such as Wi-Fi geo-location services for dense AP deployments

May 2013

Slide 4 Minho Cheong (ETRI)

doc.: IEEE 11-13/0836r0

Submission

Analysis of Consolidated Usage Models [2]

July 2013

Slide 5 Minho Cheong (ETRI)

1 high density of APs and high density of STAs per AP

a stadium DOmni-view,Crowded UGC’s

b airport/train stations D

c exhibition hall D Wi-Fi LBS

d shopping malls D Wi-Fi LBS

e E-Education D

2 high density of STAs – Indoor

a dense wireless office DCloud Comp.

b public transportation D Wearables

c lecture hall D, HUnified Com.

3high density of APs (low/medium density of STAs per AP) – Indoor

a dense apartment building D, H(?)

b Community Wi-Fi DRe-using private APs

4high density of APs and high density of STAs per AP – Outdoor

a Super dense urban Street DCrowded UGC’s

b Pico-cell street deployment DAugmented Reality

Co-located offloading

c Macro-cell street deployment DCo-located offloading

5 Throughput-demanding applications

asurgery/health care (similar to 2e

from 11ac) H

bproduction in stadium (similar to

1d-1e from 11ac) D, H

c smart car H

Value1(*D: denser

deloyed,*H: higher data rate)

Value2(trends of

new services.Refer to

[3])

Value3(rather

utilizes the current Wi-

Fi problems)

doc.: IEEE 11-13/0836r0

Submission

Analysis of Consolidated Usage Models

• Missing ones in the current consolidated when compared to 802.11ac usage models [4]

– gray: covered with denser deployment, red: missing in HEW ones

July 2013

Slide 6 Minho Cheong (ETRI)

Category 1: Wireless Display – transfer content between devicesCategory 2: Distribution of HDTV and other contentCategory 3: Rapid Upload and Download of large files to/from serverCategory 4: Backhaul Category 5: Outdoor Campus / Auditorium deploymentsCategory 6: Manufacturing Floor Automation

doc.: IEEE 11-13/0836r0

Submission

Analysis of Consolidated Usage Models

Environment IncludesResidential, Domestic or Home

Intra-room, Room to room, Indoor to outdoor, Large multi-family dwelling. Note: one or more PCs in the home may be notebooks or other portable devices that come home with the user. these wireless devices may have more than one wireless technology included.

House to house One main house has AP with uplink connection, Another house holds single or multiple STA(s), Guest house, garage or studio. In garage model, STA may be embed inside a car.

Small Enterprise

Enclosed offices, Meeting room / conference room, Classroom

Medium/Large Enterprise

Enclosed offices, Meeting room / conference room, Classroom, Sea of cubes, Multi-story office environment, Campus

Hotspot Airport, Library, Convention center, Hotel, Shopping mall, Arcade, Train station / bus terminal, Drive-in window

Outdoor Outdoor sport event, Campus, City Square, Public park, Amusement park

Industrial Indoor, Large factory floor, Hospital, Warehouse, Concert hall / auditorium, Movie theatre

Other custom environments

Wireless backhaul, Fixed wireless access, outside to multiple STA inside, outside to multiple STA outside

Mobile Train, Bus, Plane, Roadside APs for data-service in-car (fast roaming)

July 2013

Slide 7 Minho Cheong (ETRI)

• Missing ones in the current consolidated when compared to 802.11n usage models [5]

– gray: covered with denser deployment, red: missing in HEW ones

doc.: IEEE 11-13/0836r0

Submission

Suggestion• It is desirable to add backhaul and floor automation with denser

deployment to the HEW usage models, because denser deployment will be as much limiting factor on performance of those as others.

July 2013

Slide 8 Minho Cheong (ETRI)

1 high density of APs and high density of STAs per AP

a stadiumb airport/train stationsc exhibition halld shopping mallse E-Educationf Multi-media mesh backhaul

2 high density of STAs – Indoor

a dense wireless officeb public transportation

c lecture hall

d Manufacturing floor automation

3high density of APs (low/medium density of STAs per AP) – Indoor

a dense apartment building

b Community Wi-Fi

4high density of APs and high density of STAs per AP – Outdoor

a Super dense urban Street

b Pico-cell street deployment

c Macro-cell street deployment

5 Throughput-demanding applications

a surgery/health care (similar to 2e from 11ac)

b production in stadium (similar to 1d-1e from 11ac)

c smart car

d Point-to-point backhaul

doc.: IEEE 11-13/0836r0

Submission

Usage Model 1f: Multi-Media Mesh BackhaulMesh Portal AP connected to wired network.

1st Hop

2nd Hop

Applications are evolving towards more high-quality video intensive use cases for monitoring as well as reporting and interaction.The mesh backhaul, will carry very high traffic loads.

3rd Hop

1st Hop

2nd Hop

3rd Hop

AP

AP

APAP

APAP

AP

AP

Mesh Portal AP

HEW Link

Non-HEW link

July 2013

Slide 9 Minho Cheong (ETRI)

doc.: IEEE 11-13/0836r0

Submission

Usage Model 1f: Multi-Media Mesh Backhaul

Traffic Conditions: Mesh Portal AP VHT interface reaches capacity limits with an equal amount of inbound and outbound traffic. Packets may be aggregated.

Use Case:1.User on client devices looks up a program on electronic program guide.2.User selects a video. 3.High Quality Compressed Video is delivered/uploaded over the wireless network for a period of two hours. 4.User may pause video during 2 hour period then resume watching.5.Upload/downloading a file while watching the movie is a background task that is not likely to be interrupted.6.Task is complete when user stops watching the video.7. The video from multiple clients is aggregated up through the mesh network through the Mesh Portal AP.

Pre-Conditions: Mesh topology with one Mesh Portal AP with wired link to a network such as the Internet. An example topology could be up to 3 hops from Mesh Portal AP and 1~10 clients per AP. APs provide mesh routing with simultaneous access for clients. Mesh Portal AP also provide connectivity for clients.

Application: Traffic is both outbound and inbound for data, high-quality video and voice. Data may include scheduled hard-drive backups of many PCs. Video is high definition compressed video using, for example, a VHD high compressed video (100Mbps) or HD video (20Mbps). High definition voice may be using a codec like GIPS iPMC-wb or G729.1.

Environment: Mesh backhaul for hot spot, enterprise, small office/home office, campus, and municipal deployments. Line of Sight as well as NLOS.There is some unmanageable interference in the area.Hops with a 50 to 200 m separation from each other.

July 2013

Slide 10 Minho Cheong (ETRI)

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Submission

Usage Model 2d: Manufacturing Floor AutomationTraffic Conditions: 1000 independent links and data streams with varying QoS, reliability, and throughput, requirements. Aggregate data flows range into multiple Gbps requirements for each BSS.

Use Case:1. Multiple systems in factory; starting, stopping, and flowing network traffic in a largely asynchronous environment with the use of multiple WLAN BSS’s.2. Some data flows have significant integrity requirements (large material-handling machines; cranes, crawlers, etc.)3. Some data flows have significant QoS requirements (VoIP, Video streams, etc.)4. Factory is VERY electrically noisy; spark-gap noise (electric motors, etc.), microwave ovens, other technologies (RFID, RTLS, etc.), and competing 802.x wireless systems such as 802.15.4g ZigBee’s.

Pre-Conditions: Multiple WLAN networks are operational in manufacturing space that has hundreds to thousands of individual tasks happening each minute. Many of these tasks require communications.

Application: All types of information required to run large manufacturing floor. Large variances in data transfer size, time sensitivity, and reliability exist. Here are some examples:• Streaming of live or CAD video requires high throughput, time sensitive, and reliable transfers: VHD compressed video (100Mbps, <20ms jitter/delay, <1.0E-7 PER) or HD compressed video (20Mbps, <50ms jitter/delay, <1.0E-5 PER) or SD compressed video (5Mbps, <200ms jitter/delay, <1.0E-4 PER)• Voice requires lower bandwidth and time sensitive transfers; reliability is less of a concern: standard quality voice streams (<50Kbps, <10ms jitter/delay, <1.0E-2 PER). 30 calls yields aggregate bandwidth requirement of 1.5Mbps.• Machine-machine communications, robotic material handling requires high reliability but is less time sensitive.• Data loading machines is high bandwidth but low in time sensitivity. Application layer protocols would ensure reliability.

Environment: Communications are within a large metallic building with 100m x 100m for 1000 devices. 4 WLAN AP’s are separated each other by equal distance of 50 in the building. High reverberation, long propagation distances (10’s~100’s meters), long delay spreads. Constantly moving equipment changing RF propagation channel model.

Slide 11 Minho Cheong (ETRI)

July 2013

doc.: IEEE 11-13/0836r0

Submission

Usage Model 5d: Point-to-Point Backhaul

Point-to-Point Backhaul

HEW Link

Slide 12 Minho Cheong (ETRI)

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Submission

Usage Model 5d: Point-to-Point BackhaulPre-Conditions: Networks (wired or wireless) are be connected via a point-to-point link. The individual networks can support hundreds of users with a wide array of traffic requirements that will only be limited by the HEW link capabilities.

Application: Traffic is bidirectional and is comprised of data, voice, high-quality video and data. Data may include scheduled hard-drive backups of many PCs. High Definition Video is compressed using something like a VHD high compressed video (100Mbps) or HD video (20Mbps). High definition voice may be using a codec like GIPS iPMC-wb or G729.1. Each building may hundreds of end users. Consider the case of up to 50 users requiring multi-media connectivity through the point-to-point link at any given moment in time. (50% for VHD, 50% for HD)Aggregate of 50 users = (20M*25users + 100M*25users) = 3.0Gbps throughput.

Environment: Point-to-point link distance is 50 meters to 200 meters. Typically locations are Line of Sight. There is some unmanageable interference around the area.

Traffic Conditions: Point-to-point link can carry traffic with multiple QoS categories. End of each link is heavily loaded with equal amount of traffic in both directions. Use Case:1. Two builds are on opposite sides of a rail road track. The building owner has no rights to lay a wire in the ground between buildings.2. Owner sets up a wireless HEW link between the buildings. 3. Users can now take advantage multi-media applications spanning both buildings.

Slide 13 Minho Cheong (ETRI)

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Submission Slide 14

References

[1] 11-13-0554-00-0hew-Usage-models-for-HEW[2] 11-13-0657-03-0hew-hew-sg-usage-models-and-requirements-liaison-with-wfa

[3] 11-13-0514-00-0hew-usage-scenarios-and-applications

[4] 11-03-0802-23-000n-usage-models

[5] 11-09-0161-02-00ac-802-11ac-usage-model-document

Minho Cheong (ETRI)

July 2013

doc.: IEEE 11-13/0836r0

Submission

Appendix

July 2013

Slide 15 Minho Cheong (ETRI)

doc.: IEEE 11-13/0836r0

Submission

Brief Review of 802.11ac Usage Models

• Category 1: Wireless Display – transfer content between devicesa. Desktop Display at home or enterprise

b. In room projection from PC to TV at home or projector in conference room within an enterprise

c. In room Gaming – video display from game machine and peer-to-peer connectivity for hand-held controllers

d. Streaming from a camcorder to a display (live or stored content)

e. Broadcast TV Field Pick Up

Slide 16 Minho Cheong (ETRI)

July 2013

doc.: IEEE 11-13/0836r0

Submission

Brief Review of 802.11ac Usage Models

• Category 2: Distribution of HDTV and other content

a. Lightly compressed video streaming around the entire home (100s of Mbps)

b. Compressed video streaming in a room or throughout a home

c. Intra-Large-Vehicle (e.g. airplane) Applications • Video streaming of 30-40 movies, 100s of TV channels to up to 300

people with individual play/rewind control over each stream

• Streams are ~5Mbps each. 300*5Mbps=1.5Gbps

d. Wireless Networking for Office

e. Remote Medical Assistance via Wireless Networks

Slide 17 Minho Cheong (ETRI)

July 2013

doc.: IEEE 11-13/0836r0

Submission

Brief Review of 802.11ac Usage Models

• Category 3: Rapid Upload and Download of large files to/from servera. Rapid Sync-n-Go file transfer – camera to PC (10s of MB per pic), video kiosk

b. Picture-by-picture viewing - displaying digital pictures (jpegs, raw files) from a remote storage device to laptop or TV

c. Airplane docking – as airplane pulls up to the boarding gate:• plane down loads sensor (mechanic info, flight performance, maintenance) & flight information (e.g. crew, passenger info,

flight plan)

• plane uploads next flight information and new videos

d. Movie Content Download to Car as it pulls into garage

e. Police / Surveillance Car Upload• Upload several 10s of GB of data (Video Surveillance footage) from surveillance car to content server police station

Slide 18 Minho Cheong (ETRI)

July 2013

doc.: IEEE 11-13/0836r0

Submission

Brief Review of 802.11ac Usage Models

• Category 4: Backhaul a. Multi-Media Mesh Backhaul

• Hotspot

• Enterprise

• Small Office or Home

• Campus-wide deployments

• Municipal deploymentsb. Point-to-Point Backhaul

Slide 19 Minho Cheong (ETRI)

July 2013

doc.: IEEE 11-13/0836r0

Submission

Brief Review of 802.11ac Usage Models

• Category 5: Outdoor Campus / Auditorium deploymentsa. Video Demos or Tele-presence in Auditoriums/Lecture Halls

b. Public Safety Mesh

• Category 6: Manufacturing Floor Automation– Factory floor within large metallic buildings. Applications have a

large variance in data transfer size, time sensitivity, and reliability.

Slide 20 Minho Cheong (ETRI)

July 2013