Massively Scalable Indoor Positioning: The Skyhook Solution - - PowerPoint PPT Presentation

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Feb 02, 2024 30 likes •346 views

Massively Scalable Indoor Positioning: The Skyhook Solution Christopher Steger Skyhook Positioning Overview WiFi-Based Positioning Metro-Scale Worldwide Coverage Skyhook Positioning Overview Beacons of Opportunity

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SLIDE 2

Massively Scalable Indoor Positioning: The Skyhook Solution

Christopher Steger

SLIDE 3

Skyhook Positioning Overview

WiFi-Based

Positioning

Metro-Scale
Worldwide

Coverage

SLIDE 4

Skyhook Positioning Overview

WiFi-Based

Positioning

Metro-Scale
Worldwide

Coverage

“Beacons of

Opportunity”

No ownership or

control

Asynchronous

downlink signals

Support any WiFi-

enabled devices

SLIDE 5

Skyhook Positioning Overview

WiFi-Based

Positioning

Metro-Scale
Worldwide

Coverage

Data Gathering
Driving surveys
User feedback
Example Use Cases
Smartphone apps
Sony PS Vita games
MapQuest turn-by-

turn navigation

SLIDE 6

Skyhook Positioning Overview

WiFi-Based

Positioning

Metro-Scale
Worldwide

Coverage

Tens of countries
Hundreds of cities
Thousands of drivers
Millions of kilometers

driven

Tens of millions of

users

Hundreds of millions
f access points

SLIDE 7

Metro-Area vs. Indoor

SLIDE 8

Metro-Area vs. Indoor

Surveying
Cooperation
Driveability
GPS/INS equipment
Operator skill level
Maps/Floorplans
Owner interest
Single-ownership
Deterministic

dynamics

SLIDE 9

Metro-Area vs. Indoor

Surveying
Cooperation
Driveability
GPS/INS equipment
Operator skill level
Maps/Floorplans
Owner interest
Single-ownership
Deterministic

dynamics

SLIDE 10

Standardization

Allow venue owners to improve coverage
Provide support for different systems
Control ownership and accessibility
Remove barriers to entry for venue owners

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Standardization

Allow venue owners to improve coverage
Provide support for different systems
Control ownership and accessibility
Remove barriers to entry for venue owners

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Standardization

Allow venue owners to improve coverage
Provide support for different systems
Control ownership and accessibility
Remove barriers to entry for venue owners

SLIDE 13

Standardization

Allow venue owners to improve coverage
Provide support for different systems
Control ownership and accessibility
Remove barriers to entry for venue owners

SLIDE 14

Indoor Positioning Requirements

Accuracy
Scalability
Compatibility
Ownership

SLIDE 15

Indoor Positioning Requirements

Accuracy
Scalability
Compatibility
Ownership
Venue detection
Aisle/section level
Minimize surveying
Minimize installation
Downlink signals
Active scanning
No venue crossover
Limited feedback

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Indoor Positioning Requirements

Venue detection
Aisle/section level
Minimize surveying
Minimize installation
Downlink signals
Active scanning
No venue crossover
Limited feedback
Accuracy
Scalability
Compatibility
Ownership

SLIDE 17

Indoor Positioning Requirements

Venue detection
Aisle/section level
No surveying
No installation
Downlink signals
Active scanning
No venue crossover
Limited feedback
Accuracy
Ultra-Scalability
Compatibility
Ownership

SLIDE 18

Indoor Positioning Requirements

Venue detection
Aisle/section level
Minimize surveying
Minimize installation
Downlink signals
Active scanning
No venue crossover
Limited feedback
Accuracy
Scalability
Compatibility
Ownership

SLIDE 19

Indoor Positioning Requirements

Venue detection
Aisle/section level
Minimize surveying
Minimize installation
Downlink signals
Active scanning
No venue crossover
Limited feedback
Accuracy
Scalability
Compatibility
Ownership

SLIDE 20

Indoor Positioning Solution

No surveying
No installation
No characterization
Minimum overhead
Submit AP locations
Owner guidelines
Adaptive algorithms
Maximum scalability

SLIDE 21

Indoor Positioning Solution

No surveying
No installation
No characterization
Minimum overhead
Submit AP locations
Owner guidelines
Adaptive algorithms
Maximum scalability

SLIDE 22

Indoor Positioning Solution

No surveying
No installation
No characterization
Minimum overhead
Submit AP locations
Owner guidelines
Adaptive algorithms
Maximum scalability

SLIDE 23

Indoor Positioning Solution

No surveying
No installation
No characterization
Minimum overhead
Submit AP locations
Owner guidelines
Adaptive algorithms
Maximum scalability

SLIDE 24

Case Studies

Skyhook Offjce

Open plan
Drywall partitions
10 access points
480 square meters

Home Depot

Warehouse
Metal shelving
19 access points
9625 square meters

SLIDE 25

Home Depot Results

Median Error = 6.7 m

55 meters 1 7 5 m e t e r s

SLIDE 26

Skyhook Offjce Results

Median Error = 3.5 m

16 meters 30 meters

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Insights and Outlook

AP Placement
AP Density
Performance

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Insights and Outlook

Footprint coverage
Perimeter placement
2-4x data needs
~3x median error
3-10 meters error
Minimal overhead
Extensible with any

available scans

AP Placement
AP Density
Performance

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AP Placement
AP Density
Performance

Insights and Outlook

Footprint coverage
Perimeter placement
2-4x data needs
~3x median error
3-10 meters error
Minimal overhead
Extensible with any

available scans

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Insights and Outlook

Footprint coverage
Perimeter placement
2-4x data needs
~3x median error
3-10 meters error
Minimal overhead
Extensible with any

available scans

AP Placement
AP Density
Performance

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