9-1-1 Location Technologies: Today and Tomorrow

9-1-1 Location Technologies: Today and Tomorrow

03/11/2015

Tim Lorello TeleCommunication Systems (TCS)

Topics

? Is 9-1-1 Location Technology Failing Us? ? The Challenge with Call Routing ? The Challenge with Enhanced Location ? The Challenge with Indoor Location ? What Can a PSAP Manager Do? ? Questions

2

CALL ROUTING CHALLENGE

3

3

Wireless E911 Call Baseline

1: Person dials 9-1-1 2: MSC requests routing instructions 3: MSC routes call to nearest PSAP

4: E9-1-1 Center gets enhanced location 5: PSAP queries for enhanced location 6: PSAP dispatches assistance

(202) 555-1212 Wireless Carrier 3

9-1-1

Selective Router

1

a - Tower

Mobile Switching

Center

ALI

LEC 5

911

Communicator

b - Enhanced

2

6

PSAP

4

Dispatch to Enhanced Location

Voice Data

CRDB ? Call Routing Data Base PDE ? Position Determination Entity

PDE

ESRK

CRDB

MPC

ALI

TCS E9-1-1 Center

MPC ? Mobile Positioning Center ESRK ? Emergency Services Routing Key

4

Wireless Call Routing Challenge

1: Person dials 9-1-1 2a: MSC requests routing instructions 3: MSC routes call to nearest PSAP

(202) 555-1212 Wireless Carrier

9-1-1

1

a - Tower

Mobile Switching

Center

3

Selective Router

ALI

LEC

2

911

Communicator

PSAP

2b: Route based on cell site/sector

Voice Data

CRDB ? Call Routing Data Base PDE ? Position Determination Entity

PDE

ESRK

CRDB

MPC

ALI

TCS E9-1-1 Center

MPC ? Mobile Positioning Center ESRK ? Emergency Services Routing Key

5

Determining Call Routing

? Cell site plotted ? Cell sector faced ? PSAP boundaries ? Primary PSAP ? Determine route

6

Improving Location Routing

? Today's solutions:

? CPE Option: Delay the call routing

? But how long can we afford to wait?

7

Washington DC May, 2013

Single carrier

11,585 calls 10,812 bids

6.7% abandoned

Call Routing Delay

Phase II Initial Route: 260 calls in 4 seconds

2.4%

1 second delay: +1474 calls 2 second delay: +1324 calls 3 second delay: +384 calls 4 second delay: +387 calls

= 16.0% = 28.3% = 31.8% = 35.4%

Delay not enough!

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