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Doc.: IEEE 802.11-10/0287r3 Submission March 2010 Stefan Mangold, Roberto AielloSlide 1 towards carrier-grade 802.11 at Disney theme parks Date: 2010-03-16.

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Presentation on theme: "Doc.: IEEE 802.11-10/0287r3 Submission March 2010 Stefan Mangold, Roberto AielloSlide 1 towards carrier-grade 802.11 at Disney theme parks Date: 2010-03-16."— Presentation transcript:

1 doc.: IEEE 802.11-10/0287r3 Submission March 2010 Stefan Mangold, Roberto AielloSlide 1 towards carrier-grade 802.11 at Disney theme parks Date: 2010-03-16 Authors:

2 doc.: IEEE 802.11-10/0287r3 Submission introduction desire to connect wireless devices in theme parks –full coverage –carrier-grade (reliability, QoS, etc.) –low cost transceivers 802.11 shortcomings –hard to install 802.11 infrastructure in theme parks –access points need to be hidden from view – high cost TV bands offer better link margin –fewer access points (for example only one for Magic Kingdom theme park) –Indoor coverage however, FCC rules for TVWS are complex –not enough channels available (FDM mitigates this problem) FDM option –FDM is step towards carrier-grade –other spectrum, including licensed, become possible (regulators require different downlink and uplink channels) we present at WNG because the idea seems long term with broad impact March 2010 Stefan Mangold, Roberto AielloSlide 2

3 doc.: IEEE 802.11-10/0287r3 Submission about Disney some of our divisions / holdings: –Walt Disney Studio Entertainment –Disney Consumer Products –Walt Disney Parks and Resorts –Disney Cruise Line –Disney Interactive Media Group –Disney-ABC Television Group –ESPN Inc. –Radio Disney March 2010 Stefan Mangold, Roberto AielloSlide 3

4 doc.: IEEE 802.11-10/0287r3 Submission about Disney Research mission –Invent new technologies for the media & entertainment industry –Take research results to market: spin-in or spin-out organization –Association of research labs: Disney Research Zurich & Pittsburgh, Pixar Research, Walt Disney Animation Studios Research, Walt Disney Imagineering Research, Disney Interactive Media Group Research areas of research –AI & Autonomous Agents, Computer Graphics, Computer & Sensor Networks, Computer Vision, Display Technologies, Mobile Computing, Radios & Antennas, Robotics, Video Processing, … March 2010 Stefan Mangold, Roberto AielloSlide 4

5 doc.: IEEE 802.11-10/0287r3 Submission deployment areas of carrier-grade 802.11 March 2010 Stefan Mangold, Roberto AielloSlide 5

6 doc.: IEEE 802.11-10/0287r3 Submission application examples of carrier-grade 802.11 802.11-enabled handheld audio and video streaming real time information interactive games in queues real time social interaction example: Mobile Magic –disneyparksmobile.com –m.disneyland.com March 2010 Stefan Mangold, Roberto AielloSlide 6

7 doc.: IEEE 802.11-10/0287r3 Submission MAGIC KINGDOM EXAMPLE March 2010 Stefan Mangold, Roberto AielloSlide 7

8 doc.: IEEE 802.11-10/0287r3 Submission Magic Kingdom around 50,000 visitors per day –Source: TEA/ERA. Theme Park Attendance Report 2008 www.themeit.com [2009] www.themeit.com size around 370m radius (107 acres) one access point in the middle of the park –carrier-grade access point March 2010 Stefan Mangold, Roberto AielloSlide 8

9 doc.: IEEE 802.11-10/0287r3 Submission Magic Kingdom application requirements long range –large coverage area (connected toys) –hard to install infrastructure because of attractions high capacity –high user density, especially in proximity of rides high throughput –audio and video streaming good QoS –interactive games low-complexity –affordable in consumer electronics March 2010 Stefan Mangold, Roberto AielloSlide 9

10 doc.: IEEE 802.11-10/0287r3 Submission Magic Kingdom TVWS a few channels available in Disneyworld FCC regulations separate fixed and portable channels March 2010 Stefan Mangold, Roberto AielloSlide 10 Source: www.showmywhitespace.comwww.showmywhitespace.com

11 doc.: IEEE 802.11-10/0287r3 Submission link budget estimation March 2010 Stefan Mangold, Roberto AielloSlide 11 Path loss mode: Okumura-Hata, suburban Thanks to Sid Shetty (shettysid@gmail.com) for contribution to the link budgetshettysid@gmail.com Transmitter characteristicsDownlinkUplink Transmitter power1W0.04W TX antenna gain10dBi0dBi Receiver characteristics RX antenna gain0dBi10dBi Imp Loss3dB2dB NF6dB4dB SNR (64-QAM 5/6)19.9dB19.9dB Channel BW5MHz5MHz RX sensitivity78dBm81dBm Diversity gain0dB3dB Total receiver gain 78dB94dB Margins Coverage probability (cell edge)0.980.98 Shadow Fading Margin20dB20dB Allowed propagation loss98dB90dB Range Carrier frequency200MHz700MHz BS antenna height15m15m MS antenna height1.5m1.5m Range1.04km0.37km

12 doc.: IEEE 802.11-10/0287r3 Submission system throughput estimation 802.11 modulation parameters –64-QAM, 5/6, 5MHz bandwidth. 16.25Mbps at 800ns GI available spectrum –8 channels x 5 MHz throughput –132Mbps data rate, single spatial stream –528Mbps data rate, four spatial streams comparison with other technologies –only one access point as compared to 802.11g or 802.11n –single-cell throughput comparable to WiMAX March 2010 Stefan Mangold, Roberto AielloSlide 12

13 doc.: IEEE 802.11-10/0287r3 Submission FREQUENCY DIVISION MULTIPLEX March 2010 Stefan Mangold, Roberto AielloSlide 13

14 doc.: IEEE 802.11-10/0287r3 Submission frequency division multiplex March 2010 Stefan Mangold, Roberto AielloSlide 14

15 doc.: IEEE 802.11-10/0287r3 Submission evaluation scenario 3 clients per access point March 2010 Stefan Mangold, Roberto AielloSlide 15

16 doc.: IEEE 802.11-10/0287r3 Submission comparing FDD with 802.11 March 2010 Stefan Mangold, Roberto AielloSlide 16 scenario: two downlink & two uplink streams (high and low priority) 802.11: single channel 1x12Mb/s FDD: dual channel 2x6Mb/s same thrp. slightly higher delay

17 doc.: IEEE 802.11-10/0287r3 Submission FDD advantages potentially more TVWS channels available for 802.11 –example: Magic Kingdom application 802.11 could be deployed in any paired spectrum –regulators require separate downlink and uplink channels –WiMAX –LTE, including 700 MHz facilitates regulation for multiple operators performance –simulation shows FDD throughput similar to 802.11 –FDD allows to reserve capacity to the access point for carrier-grade networks other potential advantages –allows to reserve capacity to the access point –collision detection instead of collision avoidance March 2010 Stefan Mangold, Roberto AielloSlide 17

18 doc.: IEEE 802.11-10/0287r3 Submission conclusions potential use of 802.11 enabled handhelds in Disney theme parks –mobile and fixed operation –single base station to cover the theme park Magic Kingdom example –system in TV spectrum meets requirements –FDM mitigates problems due to FCC regulations a step towards carrier-grade 802.11 with FDM –enables use of other spectrum –introduces other potential advantages (to be verified) FDM would require –single transmitter for half duplex: dual channel CCA & NAV –coordinated dual-radio for full duplex: dual channel CCA & NAV –modified NAV rules March 2010 Stefan Mangold, Roberto AielloSlide 18

19 doc.: IEEE 802.11-10/0287r3 Submission thank you for your attention! www.disneyresearch.com www.disneyresearch.com March 2010 Stefan Mangold, Roberto AielloSlide 19

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