ITS Emergency Communications:ITS Emergency Communications:Automatic Crash NotificationAutomatic Crash Notification

Discussion Items Related toResolution GSC-8/1:

Emergency Communication

1 GSC-9, Seoul

SOURCE: TIA

TITLE: ITS Emergency Communications: Automatic Crash Notification

AGENDA ITEM: GRSC-2, Agenda Item 5.7

CONTACT: T. Russell Shields, Ygomi LLC, Email: Shields@ygomi.com Tel: +1.847.577.9800, Fax: +1.408.873.2513

GSC9/GRSC-025a

TIA – Shields – ITS GSC-9, Seoul 2

Automatic Crash Notification (ACN)Automatic Crash Notification (ACN)• An Automatic Crash Notification (ACN) is a

– Data message– Generated automatically by in-vehicle equipment when a

crash is sensed• ACN is different from E-call• E-call is a voice call initiated by a person• E-call should work the same regardless of call origin

– Personal cell phone (in or out of vehicle)– Embedded phone in the vehicle

• No reason for vehicle manufacturers, vehicle systems, or telematics providers to be in this delivery chain

TIA – Shields – ITS GSC-9, Seoul 3

ACN HandlingACN Handling

Automatic wireless data

messageVoice calls

ACN service center

emergency services

PSAP

TIA – Shields – ITS GSC-9, Seoul 4

Implications of ACNImplications of ACN• Vehicle manufacturers have to arrange for an ACN

service center to– Receive / interpret messages– Call the appropriate Public Safety Answering Point (PSAP)

• Vehicle manufacturer and its agents are like 3rd party crash observers who call 9-1-1, 1-1-2, etc.

• Once switched on, ACN can’t be switched off for nonpayment of subscription fees

TIA – Shields – ITS GSC-9, Seoul 5

Communications ImplicationsCommunications Implications• To keep wireless costs low

– Do not require vehicle data communications devices to register until they have a message to send

– Allow ACN data messages to be sent without registering

• In areas of poor coverage– Allow ACN data messages to be sent at very high

power on multiple frequencies• These items have been proposed to ETSI

TIA – Shields – ITS GSC-9, Seoul 6

ITS ACN for Emergency ITS ACN for Emergency CommunicationsCommunications

Additional ITS ACN Reference: TIA Contribution under GSC9/GRSC‑2, Item 5.6, entitled ITS ACN for Emergency Communications

THANK YOU!