wireless indoor location - apco international€¦ · • ble and wifi beacons – provides...
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![Page 1: Wireless Indoor Location - APCO International€¦ · • BLE and WiFi Beacons – Provides dispatchable locations – Requires changes to handset and network • BLE and Commercial](https://reader034.vdocuments.net/reader034/viewer/2022042314/5f01f61b7e708231d401e392/html5/thumbnails/1.jpg)
Wireless Indoor Location
John Snapp VP, Senior Technical Officer Intrado Inc
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The value of an Address over X/Y alone
Public safety does not dispatch to a X/Y:
39° 41’ 11.93” N Latitude 104° 58’ 54.72” W Longitude 5M Point Radius Uncertainty
They dispatch to an address
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Reverse Geocoding Nearest Intersection
S Pennsylvania St & E Iowa Ave
Denver, CO
Reverse Geocoding Address Range
1600-1650 S S Pennsylvania St
Denver, CO
Reverse Geocoding Point Match
1615 S Pennsylvania St
Denver, CO 80210
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Indoor location
• Dispatchable Location is the most useful form of location • Addresses are most valuable if delivered with the 9-1-1 call • PSAP systems (CAD / CPE) need to be able to accept X/Y/Z and Address
together • Cell site addresses often cause confusion for Telecommunicators • There is no single technology that can increase the accuracy for all indoor 9-1-
1 calls but rather there are many technologies that work together.
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Technologies to help locate indoor 9-1-1 callers
• Residential Femto Cell • Enterprise Femto Cell • Geo-Relevant Wireless ALI • Metro Beacons • Observed WiFi access point (beacons) • Observed BLE beacons • Enterprise WiFi • Handset Determined Commercial Location • Handset Determined Beacon Location
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Indoor Position Determination Technologies
• Femtocell (Enterprise and Residential) – Provides dispatchable locations – No changes to handset or network – Dispatchable location implemented today with some carriers
• Real-time Wireless ALI – Provides dispatchable locations – No changes to handset – Minimal effort to standardize – Minimal effort to implement
• BLE and WiFi Beacons – Provides dispatchable locations – Requires changes to handset and network
• BLE and Commercial Location for 9-1-1 – Provides dispatchable location and more precise X/Y/Z location – Downloadable/preinstalled/integrated application – Minimal effort to standardize – Minimal effort to implement
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Femto cell – Residential
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• Personal cell sites installed in a subscribers house
• Carrier offer to increase indoor coverage and offload traffic
• Contain GPS to verify location of device
• Typically cover inside of structure • Can provide wireline level of accuracy
with dispatchable address • Requires delivery changes to
utilize address information • Some carriers are delivering
address today
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Femto cell – Enterprise
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• Installed in enterprise by carrier or enterprise
• Often cover definable indoor spaces – Offices – Public Spaces
• Can provide wireline level of accuracy with dispatchable address
• Addresses must be managed • May have GPS
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Indoor Position Determination Technologies
• Femto cell (Enterprise and Residential) – Provides dispatchable locations – No changes to handset or network – Dispatchable location implemented today with some carriers
• Real-time Wireless ALI – Provides dispatchable locations – No changes to handset – Minimal effort to standardize – Minimal effort to implement
• BLE and WiFi Beacons – Provides dispatchable locations – Requires changes to handset and network
• BLE and Commercial Location for 9-1-1 – Provides dispatchable location and more precise X/Y/Z location – Downloadable/preinstalled/integrated application – Minimal effort to standardize – Minimal effort to implement
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Providing Dispatchable Locations Through Real-time Wireless ALI
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• Only provide addresses associated with emergency caller
• Associated user addresses are cross referenced with 9-1-1 location.
• Multiple possible data sources – Billing address – Customer provided data – Commercial data
• Could be deployed with existing 9-1-1 systems.
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Indoor Position Determination Technologies
• Femto cell (Enterprise and Residential) – Provides dispatchable locations – No changes to handset or network – Dispatchable location implemented today with some carriers
• Geo-Relevant Wireless ALI – Provides dispatchable locations – No changes to handset – Minimal effort to standardize – Minimal effort to implement
• BLE and WiFi Beacons – Provides dispatchable locations – Requires changes to handset and network
• BLE and Commercial Location for 9-1-1 – Provides dispatchable location and more precise X/Y/Z location – Downloadable/preinstalled/integrated application – Minimal effort to standardize – Minimal effort to implement
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Providing Dispatchable Location through BLE & WiFi Beacons
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• Bluetooth Low Energy (BLE) • Developed for retail applications • BLE and WiFi radios existing in most new
smartphones. • Very low cost • BLE beacons can be dedicated for
9-1-1 or shared with retail uses • Provide wireline equivalent 9-1-
1 address location • Requires standards
changes and changes to handset and network
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Indoor Position Determination Technologies
• Femto cell (Enterprise and Residential) – Provides dispatchable locations – No changes to handset or network – Dispatchable location implemented today with some carriers
• Geo-Relevant Wireless ALI – Provides dispatchable locations – No changes to handset – Minimal effort to standardize – Minimal effort to implement
• BLE and WiFi Beacons – Provides dispatchable locations – Requires changes to handset and network
• BLE and Commercial Location for 9-1-1 – Provides dispatchable location and more precise X/Y/Z location – Carrier Provided / OS provided handset based – Minimal effort to standardize – Minimal effort to implement
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BLE and Commercial Location for 9-1-1
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• Why can Starbucks locate me but 9-1-1 can not! • Can provided enhanced location over network location
alone. • Commercial location uses additional technologies
beyond Cell and GPS – WiFi – Beacons – Barometer – Multi sensor
• 9-1-1 can leverage commercial location to improve 9-1-1 X/Y/Z location at a low cost
• Dramatically increase accuracy and speed of implementation of BLE beacons
• Can provide dispatchable location and more accurate X/Y/Z location
• Commercial handset based location technology is the “best of breed” of location technologies today likely will continue to be in the future.
• Could follow commercial privacy model
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Control Plane Location and User Plane Location
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Challenges for PSAPs
• Understanding uncertainty • Differentiating between dispatchable location and cell site address • Understanding that Phase 1 cell locations my be more accurate than Phase 2
X/Y • Have a way to receive and utilize Z
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